diff options
Diffstat (limited to 'tools')
342 files changed, 20711 insertions, 2557 deletions
diff --git a/tools/Makefile b/tools/Makefile index f10b64d8c674..daa8fb3e4363 100644 --- a/tools/Makefile +++ b/tools/Makefile @@ -85,7 +85,7 @@ tmon: FORCE freefall: FORCE $(call descend,laptop/$@) -all: acpi cgroup cpupower hv firewire lguest \ +all: acpi cgroup cpupower gpio hv firewire lguest \ perf selftests turbostat usb \ virtio vm net x86_energy_perf_policy \ tmon freefall objtool @@ -96,7 +96,7 @@ acpi_install: cpupower_install: $(call descend,power/$(@:_install=),install) -cgroup_install firewire_install hv_install lguest_install perf_install usb_install virtio_install vm_install net_install objtool_install: +cgroup_install firewire_install gpio_install hv_install lguest_install perf_install usb_install virtio_install vm_install net_install objtool_install: $(call descend,$(@:_install=),install) selftests_install: @@ -114,7 +114,8 @@ freefall_install: kvm_stat_install: $(call descend,kvm/$(@:_install=),install) -install: acpi_install cgroup_install cpupower_install hv_install firewire_install lguest_install \ +install: acpi_install cgroup_install cpupower_install gpio_install \ + hv_install firewire_install lguest_install \ perf_install selftests_install turbostat_install usb_install \ virtio_install vm_install net_install x86_energy_perf_policy_install \ tmon_install freefall_install objtool_install kvm_stat_install diff --git a/tools/arch/alpha/include/uapi/asm/bitsperlong.h b/tools/arch/alpha/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..ad57f7868203 --- /dev/null +++ b/tools/arch/alpha/include/uapi/asm/bitsperlong.h @@ -0,0 +1,8 @@ +#ifndef __ASM_ALPHA_BITSPERLONG_H +#define __ASM_ALPHA_BITSPERLONG_H + +#define __BITS_PER_LONG 64 + +#include <asm-generic/bitsperlong.h> + +#endif /* __ASM_ALPHA_BITSPERLONG_H */ diff --git a/tools/arch/arm/include/uapi/asm/kvm.h b/tools/arch/arm/include/uapi/asm/kvm.h new file mode 100644 index 000000000000..a2b3eb313a25 --- /dev/null +++ b/tools/arch/arm/include/uapi/asm/kvm.h @@ -0,0 +1,224 @@ +/* + * Copyright (C) 2012 - Virtual Open Systems and Columbia University + * Author: Christoffer Dall <c.dall@virtualopensystems.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef __ARM_KVM_H__ +#define __ARM_KVM_H__ + +#include <linux/types.h> +#include <linux/psci.h> +#include <asm/ptrace.h> + +#define __KVM_HAVE_GUEST_DEBUG +#define __KVM_HAVE_IRQ_LINE +#define __KVM_HAVE_READONLY_MEM + +#define KVM_REG_SIZE(id) \ + (1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT)) + +/* Valid for svc_regs, abt_regs, und_regs, irq_regs in struct kvm_regs */ +#define KVM_ARM_SVC_sp svc_regs[0] +#define KVM_ARM_SVC_lr svc_regs[1] +#define KVM_ARM_SVC_spsr svc_regs[2] +#define KVM_ARM_ABT_sp abt_regs[0] +#define KVM_ARM_ABT_lr abt_regs[1] +#define KVM_ARM_ABT_spsr abt_regs[2] +#define KVM_ARM_UND_sp und_regs[0] +#define KVM_ARM_UND_lr und_regs[1] +#define KVM_ARM_UND_spsr und_regs[2] +#define KVM_ARM_IRQ_sp irq_regs[0] +#define KVM_ARM_IRQ_lr irq_regs[1] +#define KVM_ARM_IRQ_spsr irq_regs[2] + +/* Valid only for fiq_regs in struct kvm_regs */ +#define KVM_ARM_FIQ_r8 fiq_regs[0] +#define KVM_ARM_FIQ_r9 fiq_regs[1] +#define KVM_ARM_FIQ_r10 fiq_regs[2] +#define KVM_ARM_FIQ_fp fiq_regs[3] +#define KVM_ARM_FIQ_ip fiq_regs[4] +#define KVM_ARM_FIQ_sp fiq_regs[5] +#define KVM_ARM_FIQ_lr fiq_regs[6] +#define KVM_ARM_FIQ_spsr fiq_regs[7] + +struct kvm_regs { + struct pt_regs usr_regs; /* R0_usr - R14_usr, PC, CPSR */ + unsigned long svc_regs[3]; /* SP_svc, LR_svc, SPSR_svc */ + unsigned long abt_regs[3]; /* SP_abt, LR_abt, SPSR_abt */ + unsigned long und_regs[3]; /* SP_und, LR_und, SPSR_und */ + unsigned long irq_regs[3]; /* SP_irq, LR_irq, SPSR_irq */ + unsigned long fiq_regs[8]; /* R8_fiq - R14_fiq, SPSR_fiq */ +}; + +/* Supported Processor Types */ +#define KVM_ARM_TARGET_CORTEX_A15 0 +#define KVM_ARM_TARGET_CORTEX_A7 1 +#define KVM_ARM_NUM_TARGETS 2 + +/* KVM_ARM_SET_DEVICE_ADDR ioctl id encoding */ +#define KVM_ARM_DEVICE_TYPE_SHIFT 0 +#define KVM_ARM_DEVICE_TYPE_MASK (0xffff << KVM_ARM_DEVICE_TYPE_SHIFT) +#define KVM_ARM_DEVICE_ID_SHIFT 16 +#define KVM_ARM_DEVICE_ID_MASK (0xffff << KVM_ARM_DEVICE_ID_SHIFT) + +/* Supported device IDs */ +#define KVM_ARM_DEVICE_VGIC_V2 0 + +/* Supported VGIC address types */ +#define KVM_VGIC_V2_ADDR_TYPE_DIST 0 +#define KVM_VGIC_V2_ADDR_TYPE_CPU 1 + +#define KVM_VGIC_V2_DIST_SIZE 0x1000 +#define KVM_VGIC_V2_CPU_SIZE 0x2000 + +#define KVM_ARM_VCPU_POWER_OFF 0 /* CPU is started in OFF state */ +#define KVM_ARM_VCPU_PSCI_0_2 1 /* CPU uses PSCI v0.2 */ + +struct kvm_vcpu_init { + __u32 target; + __u32 features[7]; +}; + +struct kvm_sregs { +}; + +struct kvm_fpu { +}; + +struct kvm_guest_debug_arch { +}; + +struct kvm_debug_exit_arch { +}; + +struct kvm_sync_regs { +}; + +struct kvm_arch_memory_slot { +}; + +/* If you need to interpret the index values, here is the key: */ +#define KVM_REG_ARM_COPROC_MASK 0x000000000FFF0000 +#define KVM_REG_ARM_COPROC_SHIFT 16 +#define KVM_REG_ARM_32_OPC2_MASK 0x0000000000000007 +#define KVM_REG_ARM_32_OPC2_SHIFT 0 +#define KVM_REG_ARM_OPC1_MASK 0x0000000000000078 +#define KVM_REG_ARM_OPC1_SHIFT 3 +#define KVM_REG_ARM_CRM_MASK 0x0000000000000780 +#define KVM_REG_ARM_CRM_SHIFT 7 +#define KVM_REG_ARM_32_CRN_MASK 0x0000000000007800 +#define KVM_REG_ARM_32_CRN_SHIFT 11 + +#define ARM_CP15_REG_SHIFT_MASK(x,n) \ + (((x) << KVM_REG_ARM_ ## n ## _SHIFT) & KVM_REG_ARM_ ## n ## _MASK) + +#define __ARM_CP15_REG(op1,crn,crm,op2) \ + (KVM_REG_ARM | (15 << KVM_REG_ARM_COPROC_SHIFT) | \ + ARM_CP15_REG_SHIFT_MASK(op1, OPC1) | \ + ARM_CP15_REG_SHIFT_MASK(crn, 32_CRN) | \ + ARM_CP15_REG_SHIFT_MASK(crm, CRM) | \ + ARM_CP15_REG_SHIFT_MASK(op2, 32_OPC2)) + +#define ARM_CP15_REG32(...) (__ARM_CP15_REG(__VA_ARGS__) | KVM_REG_SIZE_U32) + +#define __ARM_CP15_REG64(op1,crm) \ + (__ARM_CP15_REG(op1, 0, crm, 0) | KVM_REG_SIZE_U64) +#define ARM_CP15_REG64(...) __ARM_CP15_REG64(__VA_ARGS__) + +#define KVM_REG_ARM_TIMER_CTL ARM_CP15_REG32(0, 14, 3, 1) +#define KVM_REG_ARM_TIMER_CNT ARM_CP15_REG64(1, 14) +#define KVM_REG_ARM_TIMER_CVAL ARM_CP15_REG64(3, 14) + +/* Normal registers are mapped as coprocessor 16. */ +#define KVM_REG_ARM_CORE (0x0010 << KVM_REG_ARM_COPROC_SHIFT) +#define KVM_REG_ARM_CORE_REG(name) (offsetof(struct kvm_regs, name) / 4) + +/* Some registers need more space to represent values. */ +#define KVM_REG_ARM_DEMUX (0x0011 << KVM_REG_ARM_COPROC_SHIFT) +#define KVM_REG_ARM_DEMUX_ID_MASK 0x000000000000FF00 +#define KVM_REG_ARM_DEMUX_ID_SHIFT 8 +#define KVM_REG_ARM_DEMUX_ID_CCSIDR (0x00 << KVM_REG_ARM_DEMUX_ID_SHIFT) +#define KVM_REG_ARM_DEMUX_VAL_MASK 0x00000000000000FF +#define KVM_REG_ARM_DEMUX_VAL_SHIFT 0 + +/* VFP registers: we could overload CP10 like ARM does, but that's ugly. */ +#define KVM_REG_ARM_VFP (0x0012 << KVM_REG_ARM_COPROC_SHIFT) +#define KVM_REG_ARM_VFP_MASK 0x000000000000FFFF +#define KVM_REG_ARM_VFP_BASE_REG 0x0 +#define KVM_REG_ARM_VFP_FPSID 0x1000 +#define KVM_REG_ARM_VFP_FPSCR 0x1001 +#define KVM_REG_ARM_VFP_MVFR1 0x1006 +#define KVM_REG_ARM_VFP_MVFR0 0x1007 +#define KVM_REG_ARM_VFP_FPEXC 0x1008 +#define KVM_REG_ARM_VFP_FPINST 0x1009 +#define KVM_REG_ARM_VFP_FPINST2 0x100A + +/* Device Control API: ARM VGIC */ +#define KVM_DEV_ARM_VGIC_GRP_ADDR 0 +#define KVM_DEV_ARM_VGIC_GRP_DIST_REGS 1 +#define KVM_DEV_ARM_VGIC_GRP_CPU_REGS 2 +#define KVM_DEV_ARM_VGIC_CPUID_SHIFT 32 +#define KVM_DEV_ARM_VGIC_CPUID_MASK (0xffULL << KVM_DEV_ARM_VGIC_CPUID_SHIFT) +#define KVM_DEV_ARM_VGIC_OFFSET_SHIFT 0 +#define KVM_DEV_ARM_VGIC_OFFSET_MASK (0xffffffffULL << KVM_DEV_ARM_VGIC_OFFSET_SHIFT) +#define KVM_DEV_ARM_VGIC_GRP_NR_IRQS 3 +#define KVM_DEV_ARM_VGIC_GRP_CTRL 4 +#define KVM_DEV_ARM_VGIC_CTRL_INIT 0 + +/* KVM_IRQ_LINE irq field index values */ +#define KVM_ARM_IRQ_TYPE_SHIFT 24 +#define KVM_ARM_IRQ_TYPE_MASK 0xff +#define KVM_ARM_IRQ_VCPU_SHIFT 16 +#define KVM_ARM_IRQ_VCPU_MASK 0xff +#define KVM_ARM_IRQ_NUM_SHIFT 0 +#define KVM_ARM_IRQ_NUM_MASK 0xffff + +/* irq_type field */ +#define KVM_ARM_IRQ_TYPE_CPU 0 +#define KVM_ARM_IRQ_TYPE_SPI 1 +#define KVM_ARM_IRQ_TYPE_PPI 2 + +/* out-of-kernel GIC cpu interrupt injection irq_number field */ +#define KVM_ARM_IRQ_CPU_IRQ 0 +#define KVM_ARM_IRQ_CPU_FIQ 1 + +/* + * This used to hold the highest supported SPI, but it is now obsolete + * and only here to provide source code level compatibility with older + * userland. The highest SPI number can be set via KVM_DEV_ARM_VGIC_GRP_NR_IRQS. + */ +#ifndef __KERNEL__ +#define KVM_ARM_IRQ_GIC_MAX 127 +#endif + +/* One single KVM irqchip, ie. the VGIC */ +#define KVM_NR_IRQCHIPS 1 + +/* PSCI interface */ +#define KVM_PSCI_FN_BASE 0x95c1ba5e +#define KVM_PSCI_FN(n) (KVM_PSCI_FN_BASE + (n)) + +#define KVM_PSCI_FN_CPU_SUSPEND KVM_PSCI_FN(0) +#define KVM_PSCI_FN_CPU_OFF KVM_PSCI_FN(1) +#define KVM_PSCI_FN_CPU_ON KVM_PSCI_FN(2) +#define KVM_PSCI_FN_MIGRATE KVM_PSCI_FN(3) + +#define KVM_PSCI_RET_SUCCESS PSCI_RET_SUCCESS +#define KVM_PSCI_RET_NI PSCI_RET_NOT_SUPPORTED +#define KVM_PSCI_RET_INVAL PSCI_RET_INVALID_PARAMS +#define KVM_PSCI_RET_DENIED PSCI_RET_DENIED + +#endif /* __ARM_KVM_H__ */ diff --git a/tools/arch/arm/include/uapi/asm/perf_regs.h b/tools/arch/arm/include/uapi/asm/perf_regs.h new file mode 100644 index 000000000000..ce59448458b2 --- /dev/null +++ b/tools/arch/arm/include/uapi/asm/perf_regs.h @@ -0,0 +1,23 @@ +#ifndef _ASM_ARM_PERF_REGS_H +#define _ASM_ARM_PERF_REGS_H + +enum perf_event_arm_regs { + PERF_REG_ARM_R0, + PERF_REG_ARM_R1, + PERF_REG_ARM_R2, + PERF_REG_ARM_R3, + PERF_REG_ARM_R4, + PERF_REG_ARM_R5, + PERF_REG_ARM_R6, + PERF_REG_ARM_R7, + PERF_REG_ARM_R8, + PERF_REG_ARM_R9, + PERF_REG_ARM_R10, + PERF_REG_ARM_FP, + PERF_REG_ARM_IP, + PERF_REG_ARM_SP, + PERF_REG_ARM_LR, + PERF_REG_ARM_PC, + PERF_REG_ARM_MAX, +}; +#endif /* _ASM_ARM_PERF_REGS_H */ diff --git a/tools/arch/arm64/include/uapi/asm/bitsperlong.h b/tools/arch/arm64/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..fce9c2924fa3 --- /dev/null +++ b/tools/arch/arm64/include/uapi/asm/bitsperlong.h @@ -0,0 +1,23 @@ +/* + * Copyright (C) 2012 ARM Ltd. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#ifndef __ASM_BITSPERLONG_H +#define __ASM_BITSPERLONG_H + +#define __BITS_PER_LONG 64 + +#include <asm-generic/bitsperlong.h> + +#endif /* __ASM_BITSPERLONG_H */ diff --git a/tools/arch/arm64/include/uapi/asm/kvm.h b/tools/arch/arm64/include/uapi/asm/kvm.h new file mode 100644 index 000000000000..f209ea151dca --- /dev/null +++ b/tools/arch/arm64/include/uapi/asm/kvm.h @@ -0,0 +1,258 @@ +/* + * Copyright (C) 2012,2013 - ARM Ltd + * Author: Marc Zyngier <marc.zyngier@arm.com> + * + * Derived from arch/arm/include/uapi/asm/kvm.h: + * Copyright (C) 2012 - Virtual Open Systems and Columbia University + * Author: Christoffer Dall <c.dall@virtualopensystems.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __ARM_KVM_H__ +#define __ARM_KVM_H__ + +#define KVM_SPSR_EL1 0 +#define KVM_SPSR_SVC KVM_SPSR_EL1 +#define KVM_SPSR_ABT 1 +#define KVM_SPSR_UND 2 +#define KVM_SPSR_IRQ 3 +#define KVM_SPSR_FIQ 4 +#define KVM_NR_SPSR 5 + +#ifndef __ASSEMBLY__ +#include <linux/psci.h> +#include <linux/types.h> +#include <asm/ptrace.h> + +#define __KVM_HAVE_GUEST_DEBUG +#define __KVM_HAVE_IRQ_LINE +#define __KVM_HAVE_READONLY_MEM + +#define KVM_REG_SIZE(id) \ + (1U << (((id) & KVM_REG_SIZE_MASK) >> KVM_REG_SIZE_SHIFT)) + +struct kvm_regs { + struct user_pt_regs regs; /* sp = sp_el0 */ + + __u64 sp_el1; + __u64 elr_el1; + + __u64 spsr[KVM_NR_SPSR]; + + struct user_fpsimd_state fp_regs; +}; + +/* + * Supported CPU Targets - Adding a new target type is not recommended, + * unless there are some special registers not supported by the + * genericv8 syreg table. + */ +#define KVM_ARM_TARGET_AEM_V8 0 +#define KVM_ARM_TARGET_FOUNDATION_V8 1 +#define KVM_ARM_TARGET_CORTEX_A57 2 +#define KVM_ARM_TARGET_XGENE_POTENZA 3 +#define KVM_ARM_TARGET_CORTEX_A53 4 +/* Generic ARM v8 target */ +#define KVM_ARM_TARGET_GENERIC_V8 5 + +#define KVM_ARM_NUM_TARGETS 6 + +/* KVM_ARM_SET_DEVICE_ADDR ioctl id encoding */ +#define KVM_ARM_DEVICE_TYPE_SHIFT 0 +#define KVM_ARM_DEVICE_TYPE_MASK (0xffff << KVM_ARM_DEVICE_TYPE_SHIFT) +#define KVM_ARM_DEVICE_ID_SHIFT 16 +#define KVM_ARM_DEVICE_ID_MASK (0xffff << KVM_ARM_DEVICE_ID_SHIFT) + +/* Supported device IDs */ +#define KVM_ARM_DEVICE_VGIC_V2 0 + +/* Supported VGIC address types */ +#define KVM_VGIC_V2_ADDR_TYPE_DIST 0 +#define KVM_VGIC_V2_ADDR_TYPE_CPU 1 + +#define KVM_VGIC_V2_DIST_SIZE 0x1000 +#define KVM_VGIC_V2_CPU_SIZE 0x2000 + +/* Supported VGICv3 address types */ +#define KVM_VGIC_V3_ADDR_TYPE_DIST 2 +#define KVM_VGIC_V3_ADDR_TYPE_REDIST 3 + +#define KVM_VGIC_V3_DIST_SIZE SZ_64K +#define KVM_VGIC_V3_REDIST_SIZE (2 * SZ_64K) + +#define KVM_ARM_VCPU_POWER_OFF 0 /* CPU is started in OFF state */ +#define KVM_ARM_VCPU_EL1_32BIT 1 /* CPU running a 32bit VM */ +#define KVM_ARM_VCPU_PSCI_0_2 2 /* CPU uses PSCI v0.2 */ +#define KVM_ARM_VCPU_PMU_V3 3 /* Support guest PMUv3 */ + +struct kvm_vcpu_init { + __u32 target; + __u32 features[7]; +}; + +struct kvm_sregs { +}; + +struct kvm_fpu { +}; + +/* + * See v8 ARM ARM D7.3: Debug Registers + * + * The architectural limit is 16 debug registers of each type although + * in practice there are usually less (see ID_AA64DFR0_EL1). + * + * Although the control registers are architecturally defined as 32 + * bits wide we use a 64 bit structure here to keep parity with + * KVM_GET/SET_ONE_REG behaviour which treats all system registers as + * 64 bit values. It also allows for the possibility of the + * architecture expanding the control registers without having to + * change the userspace ABI. + */ +#define KVM_ARM_MAX_DBG_REGS 16 +struct kvm_guest_debug_arch { + __u64 dbg_bcr[KVM_ARM_MAX_DBG_REGS]; + __u64 dbg_bvr[KVM_ARM_MAX_DBG_REGS]; + __u64 dbg_wcr[KVM_ARM_MAX_DBG_REGS]; + __u64 dbg_wvr[KVM_ARM_MAX_DBG_REGS]; +}; + +struct kvm_debug_exit_arch { + __u32 hsr; + __u64 far; /* used for watchpoints */ +}; + +/* + * Architecture specific defines for kvm_guest_debug->control + */ + +#define KVM_GUESTDBG_USE_SW_BP (1 << 16) +#define KVM_GUESTDBG_USE_HW (1 << 17) + +struct kvm_sync_regs { +}; + +struct kvm_arch_memory_slot { +}; + +/* If you need to interpret the index values, here is the key: */ +#define KVM_REG_ARM_COPROC_MASK 0x000000000FFF0000 +#define KVM_REG_ARM_COPROC_SHIFT 16 + +/* Normal registers are mapped as coprocessor 16. */ +#define KVM_REG_ARM_CORE (0x0010 << KVM_REG_ARM_COPROC_SHIFT) +#define KVM_REG_ARM_CORE_REG(name) (offsetof(struct kvm_regs, name) / sizeof(__u32)) + +/* Some registers need more space to represent values. */ +#define KVM_REG_ARM_DEMUX (0x0011 << KVM_REG_ARM_COPROC_SHIFT) +#define KVM_REG_ARM_DEMUX_ID_MASK 0x000000000000FF00 +#define KVM_REG_ARM_DEMUX_ID_SHIFT 8 +#define KVM_REG_ARM_DEMUX_ID_CCSIDR (0x00 << KVM_REG_ARM_DEMUX_ID_SHIFT) +#define KVM_REG_ARM_DEMUX_VAL_MASK 0x00000000000000FF +#define KVM_REG_ARM_DEMUX_VAL_SHIFT 0 + +/* AArch64 system registers */ +#define KVM_REG_ARM64_SYSREG (0x0013 << KVM_REG_ARM_COPROC_SHIFT) +#define KVM_REG_ARM64_SYSREG_OP0_MASK 0x000000000000c000 +#define KVM_REG_ARM64_SYSREG_OP0_SHIFT 14 +#define KVM_REG_ARM64_SYSREG_OP1_MASK 0x0000000000003800 +#define KVM_REG_ARM64_SYSREG_OP1_SHIFT 11 +#define KVM_REG_ARM64_SYSREG_CRN_MASK 0x0000000000000780 +#define KVM_REG_ARM64_SYSREG_CRN_SHIFT 7 +#define KVM_REG_ARM64_SYSREG_CRM_MASK 0x0000000000000078 +#define KVM_REG_ARM64_SYSREG_CRM_SHIFT 3 +#define KVM_REG_ARM64_SYSREG_OP2_MASK 0x0000000000000007 +#define KVM_REG_ARM64_SYSREG_OP2_SHIFT 0 + +#define ARM64_SYS_REG_SHIFT_MASK(x,n) \ + (((x) << KVM_REG_ARM64_SYSREG_ ## n ## _SHIFT) & \ + KVM_REG_ARM64_SYSREG_ ## n ## _MASK) + +#define __ARM64_SYS_REG(op0,op1,crn,crm,op2) \ + (KVM_REG_ARM64 | KVM_REG_ARM64_SYSREG | \ + ARM64_SYS_REG_SHIFT_MASK(op0, OP0) | \ + ARM64_SYS_REG_SHIFT_MASK(op1, OP1) | \ + ARM64_SYS_REG_SHIFT_MASK(crn, CRN) | \ + ARM64_SYS_REG_SHIFT_MASK(crm, CRM) | \ + ARM64_SYS_REG_SHIFT_MASK(op2, OP2)) + +#define ARM64_SYS_REG(...) (__ARM64_SYS_REG(__VA_ARGS__) | KVM_REG_SIZE_U64) + +#define KVM_REG_ARM_TIMER_CTL ARM64_SYS_REG(3, 3, 14, 3, 1) +#define KVM_REG_ARM_TIMER_CNT ARM64_SYS_REG(3, 3, 14, 3, 2) +#define KVM_REG_ARM_TIMER_CVAL ARM64_SYS_REG(3, 3, 14, 0, 2) + +/* Device Control API: ARM VGIC */ +#define KVM_DEV_ARM_VGIC_GRP_ADDR 0 +#define KVM_DEV_ARM_VGIC_GRP_DIST_REGS 1 +#define KVM_DEV_ARM_VGIC_GRP_CPU_REGS 2 +#define KVM_DEV_ARM_VGIC_CPUID_SHIFT 32 +#define KVM_DEV_ARM_VGIC_CPUID_MASK (0xffULL << KVM_DEV_ARM_VGIC_CPUID_SHIFT) +#define KVM_DEV_ARM_VGIC_OFFSET_SHIFT 0 +#define KVM_DEV_ARM_VGIC_OFFSET_MASK (0xffffffffULL << KVM_DEV_ARM_VGIC_OFFSET_SHIFT) +#define KVM_DEV_ARM_VGIC_GRP_NR_IRQS 3 +#define KVM_DEV_ARM_VGIC_GRP_CTRL 4 +#define KVM_DEV_ARM_VGIC_CTRL_INIT 0 + +/* Device Control API on vcpu fd */ +#define KVM_ARM_VCPU_PMU_V3_CTRL 0 +#define KVM_ARM_VCPU_PMU_V3_IRQ 0 +#define KVM_ARM_VCPU_PMU_V3_INIT 1 + +/* KVM_IRQ_LINE irq field index values */ +#define KVM_ARM_IRQ_TYPE_SHIFT 24 +#define KVM_ARM_IRQ_TYPE_MASK 0xff +#define KVM_ARM_IRQ_VCPU_SHIFT 16 +#define KVM_ARM_IRQ_VCPU_MASK 0xff +#define KVM_ARM_IRQ_NUM_SHIFT 0 +#define KVM_ARM_IRQ_NUM_MASK 0xffff + +/* irq_type field */ +#define KVM_ARM_IRQ_TYPE_CPU 0 +#define KVM_ARM_IRQ_TYPE_SPI 1 +#define KVM_ARM_IRQ_TYPE_PPI 2 + +/* out-of-kernel GIC cpu interrupt injection irq_number field */ +#define KVM_ARM_IRQ_CPU_IRQ 0 +#define KVM_ARM_IRQ_CPU_FIQ 1 + +/* + * This used to hold the highest supported SPI, but it is now obsolete + * and only here to provide source code level compatibility with older + * userland. The highest SPI number can be set via KVM_DEV_ARM_VGIC_GRP_NR_IRQS. + */ +#ifndef __KERNEL__ +#define KVM_ARM_IRQ_GIC_MAX 127 +#endif + +/* One single KVM irqchip, ie. the VGIC */ +#define KVM_NR_IRQCHIPS 1 + +/* PSCI interface */ +#define KVM_PSCI_FN_BASE 0x95c1ba5e +#define KVM_PSCI_FN(n) (KVM_PSCI_FN_BASE + (n)) + +#define KVM_PSCI_FN_CPU_SUSPEND KVM_PSCI_FN(0) +#define KVM_PSCI_FN_CPU_OFF KVM_PSCI_FN(1) +#define KVM_PSCI_FN_CPU_ON KVM_PSCI_FN(2) +#define KVM_PSCI_FN_MIGRATE KVM_PSCI_FN(3) + +#define KVM_PSCI_RET_SUCCESS PSCI_RET_SUCCESS +#define KVM_PSCI_RET_NI PSCI_RET_NOT_SUPPORTED +#define KVM_PSCI_RET_INVAL PSCI_RET_INVALID_PARAMS +#define KVM_PSCI_RET_DENIED PSCI_RET_DENIED + +#endif + +#endif /* __ARM_KVM_H__ */ diff --git a/tools/arch/arm64/include/uapi/asm/perf_regs.h b/tools/arch/arm64/include/uapi/asm/perf_regs.h new file mode 100644 index 000000000000..172b8317ee49 --- /dev/null +++ b/tools/arch/arm64/include/uapi/asm/perf_regs.h @@ -0,0 +1,40 @@ +#ifndef _ASM_ARM64_PERF_REGS_H +#define _ASM_ARM64_PERF_REGS_H + +enum perf_event_arm_regs { + PERF_REG_ARM64_X0, + PERF_REG_ARM64_X1, + PERF_REG_ARM64_X2, + PERF_REG_ARM64_X3, + PERF_REG_ARM64_X4, + PERF_REG_ARM64_X5, + PERF_REG_ARM64_X6, + PERF_REG_ARM64_X7, + PERF_REG_ARM64_X8, + PERF_REG_ARM64_X9, + PERF_REG_ARM64_X10, + PERF_REG_ARM64_X11, + PERF_REG_ARM64_X12, + PERF_REG_ARM64_X13, + PERF_REG_ARM64_X14, + PERF_REG_ARM64_X15, + PERF_REG_ARM64_X16, + PERF_REG_ARM64_X17, + PERF_REG_ARM64_X18, + PERF_REG_ARM64_X19, + PERF_REG_ARM64_X20, + PERF_REG_ARM64_X21, + PERF_REG_ARM64_X22, + PERF_REG_ARM64_X23, + PERF_REG_ARM64_X24, + PERF_REG_ARM64_X25, + PERF_REG_ARM64_X26, + PERF_REG_ARM64_X27, + PERF_REG_ARM64_X28, + PERF_REG_ARM64_X29, + PERF_REG_ARM64_LR, + PERF_REG_ARM64_SP, + PERF_REG_ARM64_PC, + PERF_REG_ARM64_MAX, +}; +#endif /* _ASM_ARM64_PERF_REGS_H */ diff --git a/tools/arch/frv/include/uapi/asm/bitsperlong.h b/tools/arch/frv/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..6dc0bb0c13b2 --- /dev/null +++ b/tools/arch/frv/include/uapi/asm/bitsperlong.h @@ -0,0 +1 @@ +#include <asm-generic/bitsperlong.h> diff --git a/tools/arch/h8300/include/asm/bitsperlong.h b/tools/arch/h8300/include/asm/bitsperlong.h new file mode 100644 index 000000000000..e140e46729ac --- /dev/null +++ b/tools/arch/h8300/include/asm/bitsperlong.h @@ -0,0 +1,14 @@ +#ifndef __ASM_H8300_BITS_PER_LONG +#define __ASM_H8300_BITS_PER_LONG + +#include <asm-generic/bitsperlong.h> + +#if !defined(__ASSEMBLY__) +/* h8300-unknown-linux required long */ +#define __kernel_size_t __kernel_size_t +typedef unsigned long __kernel_size_t; +typedef long __kernel_ssize_t; +typedef long __kernel_ptrdiff_t; +#endif + +#endif /* __ASM_H8300_BITS_PER_LONG */ diff --git a/tools/arch/hexagon/include/uapi/asm/bitsperlong.h b/tools/arch/hexagon/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..4a658151383d --- /dev/null +++ b/tools/arch/hexagon/include/uapi/asm/bitsperlong.h @@ -0,0 +1,26 @@ +/* + * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#ifndef __ASM_HEXAGON_BITSPERLONG_H +#define __ASM_HEXAGON_BITSPERLONG_H + +#define __BITS_PER_LONG 32 + +#include <asm-generic/bitsperlong.h> + +#endif diff --git a/tools/arch/ia64/include/uapi/asm/bitsperlong.h b/tools/arch/ia64/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..ec4db3c970b7 --- /dev/null +++ b/tools/arch/ia64/include/uapi/asm/bitsperlong.h @@ -0,0 +1,8 @@ +#ifndef __ASM_IA64_BITSPERLONG_H +#define __ASM_IA64_BITSPERLONG_H + +#define __BITS_PER_LONG 64 + +#include <asm-generic/bitsperlong.h> + +#endif /* __ASM_IA64_BITSPERLONG_H */ diff --git a/tools/arch/m32r/include/uapi/asm/bitsperlong.h b/tools/arch/m32r/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..6dc0bb0c13b2 --- /dev/null +++ b/tools/arch/m32r/include/uapi/asm/bitsperlong.h @@ -0,0 +1 @@ +#include <asm-generic/bitsperlong.h> diff --git a/tools/arch/microblaze/include/uapi/asm/bitsperlong.h b/tools/arch/microblaze/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..6dc0bb0c13b2 --- /dev/null +++ b/tools/arch/microblaze/include/uapi/asm/bitsperlong.h @@ -0,0 +1 @@ +#include <asm-generic/bitsperlong.h> diff --git a/tools/arch/mips/include/uapi/asm/bitsperlong.h b/tools/arch/mips/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..3e4c10a8e787 --- /dev/null +++ b/tools/arch/mips/include/uapi/asm/bitsperlong.h @@ -0,0 +1,8 @@ +#ifndef __ASM_MIPS_BITSPERLONG_H +#define __ASM_MIPS_BITSPERLONG_H + +#define __BITS_PER_LONG _MIPS_SZLONG + +#include <asm-generic/bitsperlong.h> + +#endif /* __ASM_MIPS_BITSPERLONG_H */ diff --git a/tools/arch/mips/include/uapi/asm/kvm.h b/tools/arch/mips/include/uapi/asm/kvm.h new file mode 100644 index 000000000000..6985eb59b085 --- /dev/null +++ b/tools/arch/mips/include/uapi/asm/kvm.h @@ -0,0 +1,208 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. + * Copyright (C) 2013 Cavium, Inc. + * Authors: Sanjay Lal <sanjayl@kymasys.com> + */ + +#ifndef __LINUX_KVM_MIPS_H +#define __LINUX_KVM_MIPS_H + +#include <linux/types.h> + +/* + * KVM MIPS specific structures and definitions. + * + * Some parts derived from the x86 version of this file. + */ + +/* + * for KVM_GET_REGS and KVM_SET_REGS + * + * If Config[AT] is zero (32-bit CPU), the register contents are + * stored in the lower 32-bits of the struct kvm_regs fields and sign + * extended to 64-bits. + */ +struct kvm_regs { + /* out (KVM_GET_REGS) / in (KVM_SET_REGS) */ + __u64 gpr[32]; + __u64 hi; + __u64 lo; + __u64 pc; +}; + +/* + * for KVM_GET_FPU and KVM_SET_FPU + */ +struct kvm_fpu { +}; + + +/* + * For MIPS, we use KVM_SET_ONE_REG and KVM_GET_ONE_REG to access various + * registers. The id field is broken down as follows: + * + * bits[63..52] - As per linux/kvm.h + * bits[51..32] - Must be zero. + * bits[31..16] - Register set. + * + * Register set = 0: GP registers from kvm_regs (see definitions below). + * + * Register set = 1: CP0 registers. + * bits[15..8] - Must be zero. + * bits[7..3] - Register 'rd' index. + * bits[2..0] - Register 'sel' index. + * + * Register set = 2: KVM specific registers (see definitions below). + * + * Register set = 3: FPU / MSA registers (see definitions below). + * + * Other sets registers may be added in the future. Each set would + * have its own identifier in bits[31..16]. + */ + +#define KVM_REG_MIPS_GP (KVM_REG_MIPS | 0x0000000000000000ULL) +#define KVM_REG_MIPS_CP0 (KVM_REG_MIPS | 0x0000000000010000ULL) +#define KVM_REG_MIPS_KVM (KVM_REG_MIPS | 0x0000000000020000ULL) +#define KVM_REG_MIPS_FPU (KVM_REG_MIPS | 0x0000000000030000ULL) + + +/* + * KVM_REG_MIPS_GP - General purpose registers from kvm_regs. + */ + +#define KVM_REG_MIPS_R0 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 0) +#define KVM_REG_MIPS_R1 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 1) +#define KVM_REG_MIPS_R2 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 2) +#define KVM_REG_MIPS_R3 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 3) +#define KVM_REG_MIPS_R4 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 4) +#define KVM_REG_MIPS_R5 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 5) +#define KVM_REG_MIPS_R6 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 6) +#define KVM_REG_MIPS_R7 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 7) +#define KVM_REG_MIPS_R8 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 8) +#define KVM_REG_MIPS_R9 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 9) +#define KVM_REG_MIPS_R10 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 10) +#define KVM_REG_MIPS_R11 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 11) +#define KVM_REG_MIPS_R12 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 12) +#define KVM_REG_MIPS_R13 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 13) +#define KVM_REG_MIPS_R14 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 14) +#define KVM_REG_MIPS_R15 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 15) +#define KVM_REG_MIPS_R16 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 16) +#define KVM_REG_MIPS_R17 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 17) +#define KVM_REG_MIPS_R18 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 18) +#define KVM_REG_MIPS_R19 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 19) +#define KVM_REG_MIPS_R20 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 20) +#define KVM_REG_MIPS_R21 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 21) +#define KVM_REG_MIPS_R22 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 22) +#define KVM_REG_MIPS_R23 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 23) +#define KVM_REG_MIPS_R24 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 24) +#define KVM_REG_MIPS_R25 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 25) +#define KVM_REG_MIPS_R26 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 26) +#define KVM_REG_MIPS_R27 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 27) +#define KVM_REG_MIPS_R28 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 28) +#define KVM_REG_MIPS_R29 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 29) +#define KVM_REG_MIPS_R30 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 30) +#define KVM_REG_MIPS_R31 (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 31) + +#define KVM_REG_MIPS_HI (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 32) +#define KVM_REG_MIPS_LO (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 33) +#define KVM_REG_MIPS_PC (KVM_REG_MIPS_GP | KVM_REG_SIZE_U64 | 34) + + +/* + * KVM_REG_MIPS_KVM - KVM specific control registers. + */ + +/* + * CP0_Count control + * DC: Set 0: Master disable CP0_Count and set COUNT_RESUME to now + * Set 1: Master re-enable CP0_Count with unchanged bias, handling timer + * interrupts since COUNT_RESUME + * This can be used to freeze the timer to get a consistent snapshot of + * the CP0_Count and timer interrupt pending state, while also resuming + * safely without losing time or guest timer interrupts. + * Other: Reserved, do not change. + */ +#define KVM_REG_MIPS_COUNT_CTL (KVM_REG_MIPS_KVM | KVM_REG_SIZE_U64 | 0) +#define KVM_REG_MIPS_COUNT_CTL_DC 0x00000001 + +/* + * CP0_Count resume monotonic nanoseconds + * The monotonic nanosecond time of the last set of COUNT_CTL.DC (master + * disable). Any reads and writes of Count related registers while + * COUNT_CTL.DC=1 will appear to occur at this time. When COUNT_CTL.DC is + * cleared again (master enable) any timer interrupts since this time will be + * emulated. + * Modifications to times in the future are rejected. + */ +#define KVM_REG_MIPS_COUNT_RESUME (KVM_REG_MIPS_KVM | KVM_REG_SIZE_U64 | 1) +/* + * CP0_Count rate in Hz + * Specifies the rate of the CP0_Count timer in Hz. Modifications occur without + * discontinuities in CP0_Count. + */ +#define KVM_REG_MIPS_COUNT_HZ (KVM_REG_MIPS_KVM | KVM_REG_SIZE_U64 | 2) + + +/* + * KVM_REG_MIPS_FPU - Floating Point and MIPS SIMD Architecture (MSA) registers. + * + * bits[15..8] - Register subset (see definitions below). + * bits[7..5] - Must be zero. + * bits[4..0] - Register number within register subset. + */ + +#define KVM_REG_MIPS_FPR (KVM_REG_MIPS_FPU | 0x0000000000000000ULL) +#define KVM_REG_MIPS_FCR (KVM_REG_MIPS_FPU | 0x0000000000000100ULL) +#define KVM_REG_MIPS_MSACR (KVM_REG_MIPS_FPU | 0x0000000000000200ULL) + +/* + * KVM_REG_MIPS_FPR - Floating point / Vector registers. + */ +#define KVM_REG_MIPS_FPR_32(n) (KVM_REG_MIPS_FPR | KVM_REG_SIZE_U32 | (n)) +#define KVM_REG_MIPS_FPR_64(n) (KVM_REG_MIPS_FPR | KVM_REG_SIZE_U64 | (n)) +#define KVM_REG_MIPS_VEC_128(n) (KVM_REG_MIPS_FPR | KVM_REG_SIZE_U128 | (n)) + +/* + * KVM_REG_MIPS_FCR - Floating point control registers. + */ +#define KVM_REG_MIPS_FCR_IR (KVM_REG_MIPS_FCR | KVM_REG_SIZE_U32 | 0) +#define KVM_REG_MIPS_FCR_CSR (KVM_REG_MIPS_FCR | KVM_REG_SIZE_U32 | 31) + +/* + * KVM_REG_MIPS_MSACR - MIPS SIMD Architecture (MSA) control registers. + */ +#define KVM_REG_MIPS_MSA_IR (KVM_REG_MIPS_MSACR | KVM_REG_SIZE_U32 | 0) +#define KVM_REG_MIPS_MSA_CSR (KVM_REG_MIPS_MSACR | KVM_REG_SIZE_U32 | 1) + + +/* + * KVM MIPS specific structures and definitions + * + */ +struct kvm_debug_exit_arch { + __u64 epc; +}; + +/* for KVM_SET_GUEST_DEBUG */ +struct kvm_guest_debug_arch { +}; + +/* definition of registers in kvm_run */ +struct kvm_sync_regs { +}; + +/* dummy definition */ +struct kvm_sregs { +}; + +struct kvm_mips_interrupt { + /* in */ + __u32 cpu; + __u32 irq; +}; + +#endif /* __LINUX_KVM_MIPS_H */ diff --git a/tools/arch/mn10300/include/uapi/asm/bitsperlong.h b/tools/arch/mn10300/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..6dc0bb0c13b2 --- /dev/null +++ b/tools/arch/mn10300/include/uapi/asm/bitsperlong.h @@ -0,0 +1 @@ +#include <asm-generic/bitsperlong.h> diff --git a/tools/arch/parisc/include/uapi/asm/bitsperlong.h b/tools/arch/parisc/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..e0a23c7bdd43 --- /dev/null +++ b/tools/arch/parisc/include/uapi/asm/bitsperlong.h @@ -0,0 +1,14 @@ +#ifndef __ASM_PARISC_BITSPERLONG_H +#define __ASM_PARISC_BITSPERLONG_H + +#if defined(__LP64__) +#define __BITS_PER_LONG 64 +#define SHIFT_PER_LONG 6 +#else +#define __BITS_PER_LONG 32 +#define SHIFT_PER_LONG 5 +#endif + +#include <asm-generic/bitsperlong.h> + +#endif /* __ASM_PARISC_BITSPERLONG_H */ diff --git a/tools/arch/powerpc/include/uapi/asm/bitsperlong.h b/tools/arch/powerpc/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..5f1659032c40 --- /dev/null +++ b/tools/arch/powerpc/include/uapi/asm/bitsperlong.h @@ -0,0 +1,12 @@ +#ifndef __ASM_POWERPC_BITSPERLONG_H +#define __ASM_POWERPC_BITSPERLONG_H + +#if defined(__powerpc64__) +# define __BITS_PER_LONG 64 +#else +# define __BITS_PER_LONG 32 +#endif + +#include <asm-generic/bitsperlong.h> + +#endif /* __ASM_POWERPC_BITSPERLONG_H */ diff --git a/tools/arch/powerpc/include/uapi/asm/kvm.h b/tools/arch/powerpc/include/uapi/asm/kvm.h new file mode 100644 index 000000000000..c93cf35ce379 --- /dev/null +++ b/tools/arch/powerpc/include/uapi/asm/kvm.h @@ -0,0 +1,612 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * Copyright IBM Corp. 2007 + * + * Authors: Hollis Blanchard <hollisb@us.ibm.com> + */ + +#ifndef __LINUX_KVM_POWERPC_H +#define __LINUX_KVM_POWERPC_H + +#include <linux/types.h> + +/* Select powerpc specific features in <linux/kvm.h> */ +#define __KVM_HAVE_SPAPR_TCE +#define __KVM_HAVE_PPC_SMT +#define __KVM_HAVE_IRQCHIP +#define __KVM_HAVE_IRQ_LINE +#define __KVM_HAVE_GUEST_DEBUG + +struct kvm_regs { + __u64 pc; + __u64 cr; + __u64 ctr; + __u64 lr; + __u64 xer; + __u64 msr; + __u64 srr0; + __u64 srr1; + __u64 pid; + + __u64 sprg0; + __u64 sprg1; + __u64 sprg2; + __u64 sprg3; + __u64 sprg4; + __u64 sprg5; + __u64 sprg6; + __u64 sprg7; + + __u64 gpr[32]; +}; + +#define KVM_SREGS_E_IMPL_NONE 0 +#define KVM_SREGS_E_IMPL_FSL 1 + +#define KVM_SREGS_E_FSL_PIDn (1 << 0) /* PID1/PID2 */ + +/* + * Feature bits indicate which sections of the sregs struct are valid, + * both in KVM_GET_SREGS and KVM_SET_SREGS. On KVM_SET_SREGS, registers + * corresponding to unset feature bits will not be modified. This allows + * restoring a checkpoint made without that feature, while keeping the + * default values of the new registers. + * + * KVM_SREGS_E_BASE contains: + * CSRR0/1 (refers to SRR2/3 on 40x) + * ESR + * DEAR + * MCSR + * TSR + * TCR + * DEC + * TB + * VRSAVE (USPRG0) + */ +#define KVM_SREGS_E_BASE (1 << 0) + +/* + * KVM_SREGS_E_ARCH206 contains: + * + * PIR + * MCSRR0/1 + * DECAR + * IVPR + */ +#define KVM_SREGS_E_ARCH206 (1 << 1) + +/* + * Contains EPCR, plus the upper half of 64-bit registers + * that are 32-bit on 32-bit implementations. + */ +#define KVM_SREGS_E_64 (1 << 2) + +#define KVM_SREGS_E_SPRG8 (1 << 3) +#define KVM_SREGS_E_MCIVPR (1 << 4) + +/* + * IVORs are used -- contains IVOR0-15, plus additional IVORs + * in combination with an appropriate feature bit. + */ +#define KVM_SREGS_E_IVOR (1 << 5) + +/* + * Contains MAS0-4, MAS6-7, TLBnCFG, MMUCFG. + * Also TLBnPS if MMUCFG[MAVN] = 1. + */ +#define KVM_SREGS_E_ARCH206_MMU (1 << 6) + +/* DBSR, DBCR, IAC, DAC, DVC */ +#define KVM_SREGS_E_DEBUG (1 << 7) + +/* Enhanced debug -- DSRR0/1, SPRG9 */ +#define KVM_SREGS_E_ED (1 << 8) + +/* Embedded Floating Point (SPE) -- IVOR32-34 if KVM_SREGS_E_IVOR */ +#define KVM_SREGS_E_SPE (1 << 9) + +/* + * DEPRECATED! USE ONE_REG FOR THIS ONE! + * External Proxy (EXP) -- EPR + */ +#define KVM_SREGS_EXP (1 << 10) + +/* External PID (E.PD) -- EPSC/EPLC */ +#define KVM_SREGS_E_PD (1 << 11) + +/* Processor Control (E.PC) -- IVOR36-37 if KVM_SREGS_E_IVOR */ +#define KVM_SREGS_E_PC (1 << 12) + +/* Page table (E.PT) -- EPTCFG */ +#define KVM_SREGS_E_PT (1 << 13) + +/* Embedded Performance Monitor (E.PM) -- IVOR35 if KVM_SREGS_E_IVOR */ +#define KVM_SREGS_E_PM (1 << 14) + +/* + * Special updates: + * + * Some registers may change even while a vcpu is not running. + * To avoid losing these changes, by default these registers are + * not updated by KVM_SET_SREGS. To force an update, set the bit + * in u.e.update_special corresponding to the register to be updated. + * + * The update_special field is zero on return from KVM_GET_SREGS. + * + * When restoring a checkpoint, the caller can set update_special + * to 0xffffffff to ensure that everything is restored, even new features + * that the caller doesn't know about. + */ +#define KVM_SREGS_E_UPDATE_MCSR (1 << 0) +#define KVM_SREGS_E_UPDATE_TSR (1 << 1) +#define KVM_SREGS_E_UPDATE_DEC (1 << 2) +#define KVM_SREGS_E_UPDATE_DBSR (1 << 3) + +/* + * In KVM_SET_SREGS, reserved/pad fields must be left untouched from a + * previous KVM_GET_REGS. + * + * Unless otherwise indicated, setting any register with KVM_SET_SREGS + * directly sets its value. It does not trigger any special semantics such + * as write-one-to-clear. Calling KVM_SET_SREGS on an unmodified struct + * just received from KVM_GET_SREGS is always a no-op. + */ +struct kvm_sregs { + __u32 pvr; + union { + struct { + __u64 sdr1; + struct { + struct { + __u64 slbe; + __u64 slbv; + } slb[64]; + } ppc64; + struct { + __u32 sr[16]; + __u64 ibat[8]; + __u64 dbat[8]; + } ppc32; + } s; + struct { + union { + struct { /* KVM_SREGS_E_IMPL_FSL */ + __u32 features; /* KVM_SREGS_E_FSL_ */ + __u32 svr; + __u64 mcar; + __u32 hid0; + + /* KVM_SREGS_E_FSL_PIDn */ + __u32 pid1, pid2; + } fsl; + __u8 pad[256]; + } impl; + + __u32 features; /* KVM_SREGS_E_ */ + __u32 impl_id; /* KVM_SREGS_E_IMPL_ */ + __u32 update_special; /* KVM_SREGS_E_UPDATE_ */ + __u32 pir; /* read-only */ + __u64 sprg8; + __u64 sprg9; /* E.ED */ + __u64 csrr0; + __u64 dsrr0; /* E.ED */ + __u64 mcsrr0; + __u32 csrr1; + __u32 dsrr1; /* E.ED */ + __u32 mcsrr1; + __u32 esr; + __u64 dear; + __u64 ivpr; + __u64 mcivpr; + __u64 mcsr; /* KVM_SREGS_E_UPDATE_MCSR */ + + __u32 tsr; /* KVM_SREGS_E_UPDATE_TSR */ + __u32 tcr; + __u32 decar; + __u32 dec; /* KVM_SREGS_E_UPDATE_DEC */ + + /* + * Userspace can read TB directly, but the + * value reported here is consistent with "dec". + * + * Read-only. + */ + __u64 tb; + + __u32 dbsr; /* KVM_SREGS_E_UPDATE_DBSR */ + __u32 dbcr[3]; + /* + * iac/dac registers are 64bit wide, while this API + * interface provides only lower 32 bits on 64 bit + * processors. ONE_REG interface is added for 64bit + * iac/dac registers. + */ + __u32 iac[4]; + __u32 dac[2]; + __u32 dvc[2]; + __u8 num_iac; /* read-only */ + __u8 num_dac; /* read-only */ + __u8 num_dvc; /* read-only */ + __u8 pad; + + __u32 epr; /* EXP */ + __u32 vrsave; /* a.k.a. USPRG0 */ + __u32 epcr; /* KVM_SREGS_E_64 */ + + __u32 mas0; + __u32 mas1; + __u64 mas2; + __u64 mas7_3; + __u32 mas4; + __u32 mas6; + + __u32 ivor_low[16]; /* IVOR0-15 */ + __u32 ivor_high[18]; /* IVOR32+, plus room to expand */ + + __u32 mmucfg; /* read-only */ + __u32 eptcfg; /* E.PT, read-only */ + __u32 tlbcfg[4];/* read-only */ + __u32 tlbps[4]; /* read-only */ + + __u32 eplc, epsc; /* E.PD */ + } e; + __u8 pad[1020]; + } u; +}; + +struct kvm_fpu { + __u64 fpr[32]; +}; + +/* + * Defines for h/w breakpoint, watchpoint (read, write or both) and + * software breakpoint. + * These are used as "type" in KVM_SET_GUEST_DEBUG ioctl and "status" + * for KVM_DEBUG_EXIT. + */ +#define KVMPPC_DEBUG_NONE 0x0 +#define KVMPPC_DEBUG_BREAKPOINT (1UL << 1) +#define KVMPPC_DEBUG_WATCH_WRITE (1UL << 2) +#define KVMPPC_DEBUG_WATCH_READ (1UL << 3) +struct kvm_debug_exit_arch { + __u64 address; + /* + * exiting to userspace because of h/w breakpoint, watchpoint + * (read, write or both) and software breakpoint. + */ + __u32 status; + __u32 reserved; +}; + +/* for KVM_SET_GUEST_DEBUG */ +struct kvm_guest_debug_arch { + struct { + /* H/W breakpoint/watchpoint address */ + __u64 addr; + /* + * Type denotes h/w breakpoint, read watchpoint, write + * watchpoint or watchpoint (both read and write). + */ + __u32 type; + __u32 reserved; + } bp[16]; +}; + +/* Debug related defines */ +/* + * kvm_guest_debug->control is a 32 bit field. The lower 16 bits are generic + * and upper 16 bits are architecture specific. Architecture specific defines + * that ioctl is for setting hardware breakpoint or software breakpoint. + */ +#define KVM_GUESTDBG_USE_SW_BP 0x00010000 +#define KVM_GUESTDBG_USE_HW_BP 0x00020000 + +/* definition of registers in kvm_run */ +struct kvm_sync_regs { +}; + +#define KVM_INTERRUPT_SET -1U +#define KVM_INTERRUPT_UNSET -2U +#define KVM_INTERRUPT_SET_LEVEL -3U + +#define KVM_CPU_440 1 +#define KVM_CPU_E500V2 2 +#define KVM_CPU_3S_32 3 +#define KVM_CPU_3S_64 4 +#define KVM_CPU_E500MC 5 + +/* for KVM_CAP_SPAPR_TCE */ +struct kvm_create_spapr_tce { + __u64 liobn; + __u32 window_size; +}; + +/* for KVM_CAP_SPAPR_TCE_64 */ +struct kvm_create_spapr_tce_64 { + __u64 liobn; + __u32 page_shift; + __u32 flags; + __u64 offset; /* in pages */ + __u64 size; /* in pages */ +}; + +/* for KVM_ALLOCATE_RMA */ +struct kvm_allocate_rma { + __u64 rma_size; +}; + +/* for KVM_CAP_PPC_RTAS */ +struct kvm_rtas_token_args { + char name[120]; + __u64 token; /* Use a token of 0 to undefine a mapping */ +}; + +struct kvm_book3e_206_tlb_entry { + __u32 mas8; + __u32 mas1; + __u64 mas2; + __u64 mas7_3; +}; + +struct kvm_book3e_206_tlb_params { + /* + * For mmu types KVM_MMU_FSL_BOOKE_NOHV and KVM_MMU_FSL_BOOKE_HV: + * + * - The number of ways of TLB0 must be a power of two between 2 and + * 16. + * - TLB1 must be fully associative. + * - The size of TLB0 must be a multiple of the number of ways, and + * the number of sets must be a power of two. + * - The size of TLB1 may not exceed 64 entries. + * - TLB0 supports 4 KiB pages. + * - The page sizes supported by TLB1 are as indicated by + * TLB1CFG (if MMUCFG[MAVN] = 0) or TLB1PS (if MMUCFG[MAVN] = 1) + * as returned by KVM_GET_SREGS. + * - TLB2 and TLB3 are reserved, and their entries in tlb_sizes[] + * and tlb_ways[] must be zero. + * + * tlb_ways[n] = tlb_sizes[n] means the array is fully associative. + * + * KVM will adjust TLBnCFG based on the sizes configured here, + * though arrays greater than 2048 entries will have TLBnCFG[NENTRY] + * set to zero. + */ + __u32 tlb_sizes[4]; + __u32 tlb_ways[4]; + __u32 reserved[8]; +}; + +/* For KVM_PPC_GET_HTAB_FD */ +struct kvm_get_htab_fd { + __u64 flags; + __u64 start_index; + __u64 reserved[2]; +}; + +/* Values for kvm_get_htab_fd.flags */ +#define KVM_GET_HTAB_BOLTED_ONLY ((__u64)0x1) +#define KVM_GET_HTAB_WRITE ((__u64)0x2) + +/* + * Data read on the file descriptor is formatted as a series of + * records, each consisting of a header followed by a series of + * `n_valid' HPTEs (16 bytes each), which are all valid. Following + * those valid HPTEs there are `n_invalid' invalid HPTEs, which + * are not represented explicitly in the stream. The same format + * is used for writing. + */ +struct kvm_get_htab_header { + __u32 index; + __u16 n_valid; + __u16 n_invalid; +}; + +/* Per-vcpu XICS interrupt controller state */ +#define KVM_REG_PPC_ICP_STATE (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x8c) + +#define KVM_REG_PPC_ICP_CPPR_SHIFT 56 /* current proc priority */ +#define KVM_REG_PPC_ICP_CPPR_MASK 0xff +#define KVM_REG_PPC_ICP_XISR_SHIFT 32 /* interrupt status field */ +#define KVM_REG_PPC_ICP_XISR_MASK 0xffffff +#define KVM_REG_PPC_ICP_MFRR_SHIFT 24 /* pending IPI priority */ +#define KVM_REG_PPC_ICP_MFRR_MASK 0xff +#define KVM_REG_PPC_ICP_PPRI_SHIFT 16 /* pending irq priority */ +#define KVM_REG_PPC_ICP_PPRI_MASK 0xff + +/* Device control API: PPC-specific devices */ +#define KVM_DEV_MPIC_GRP_MISC 1 +#define KVM_DEV_MPIC_BASE_ADDR 0 /* 64-bit */ + +#define KVM_DEV_MPIC_GRP_REGISTER 2 /* 32-bit */ +#define KVM_DEV_MPIC_GRP_IRQ_ACTIVE 3 /* 32-bit */ + +/* One-Reg API: PPC-specific registers */ +#define KVM_REG_PPC_HIOR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x1) +#define KVM_REG_PPC_IAC1 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x2) +#define KVM_REG_PPC_IAC2 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x3) +#define KVM_REG_PPC_IAC3 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x4) +#define KVM_REG_PPC_IAC4 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x5) +#define KVM_REG_PPC_DAC1 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x6) +#define KVM_REG_PPC_DAC2 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x7) +#define KVM_REG_PPC_DABR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x8) +#define KVM_REG_PPC_DSCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x9) +#define KVM_REG_PPC_PURR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa) +#define KVM_REG_PPC_SPURR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb) +#define KVM_REG_PPC_DAR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xc) +#define KVM_REG_PPC_DSISR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xd) +#define KVM_REG_PPC_AMR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xe) +#define KVM_REG_PPC_UAMOR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xf) + +#define KVM_REG_PPC_MMCR0 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x10) +#define KVM_REG_PPC_MMCR1 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x11) +#define KVM_REG_PPC_MMCRA (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x12) +#define KVM_REG_PPC_MMCR2 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x13) +#define KVM_REG_PPC_MMCRS (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x14) +#define KVM_REG_PPC_SIAR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x15) +#define KVM_REG_PPC_SDAR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x16) +#define KVM_REG_PPC_SIER (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x17) + +#define KVM_REG_PPC_PMC1 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x18) +#define KVM_REG_PPC_PMC2 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x19) +#define KVM_REG_PPC_PMC3 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1a) +#define KVM_REG_PPC_PMC4 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1b) +#define KVM_REG_PPC_PMC5 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1c) +#define KVM_REG_PPC_PMC6 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1d) +#define KVM_REG_PPC_PMC7 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1e) +#define KVM_REG_PPC_PMC8 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x1f) + +/* 32 floating-point registers */ +#define KVM_REG_PPC_FPR0 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x20) +#define KVM_REG_PPC_FPR(n) (KVM_REG_PPC_FPR0 + (n)) +#define KVM_REG_PPC_FPR31 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x3f) + +/* 32 VMX/Altivec vector registers */ +#define KVM_REG_PPC_VR0 (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x40) +#define KVM_REG_PPC_VR(n) (KVM_REG_PPC_VR0 + (n)) +#define KVM_REG_PPC_VR31 (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x5f) + +/* 32 double-width FP registers for VSX */ +/* High-order halves overlap with FP regs */ +#define KVM_REG_PPC_VSR0 (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x60) +#define KVM_REG_PPC_VSR(n) (KVM_REG_PPC_VSR0 + (n)) +#define KVM_REG_PPC_VSR31 (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x7f) + +/* FP and vector status/control registers */ +#define KVM_REG_PPC_FPSCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x80) +/* + * VSCR register is documented as a 32-bit register in the ISA, but it can + * only be accesses via a vector register. Expose VSCR as a 32-bit register + * even though the kernel represents it as a 128-bit vector. + */ +#define KVM_REG_PPC_VSCR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x81) + +/* Virtual processor areas */ +/* For SLB & DTL, address in high (first) half, length in low half */ +#define KVM_REG_PPC_VPA_ADDR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x82) +#define KVM_REG_PPC_VPA_SLB (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x83) +#define KVM_REG_PPC_VPA_DTL (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x84) + +#define KVM_REG_PPC_EPCR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x85) +#define KVM_REG_PPC_EPR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x86) + +/* Timer Status Register OR/CLEAR interface */ +#define KVM_REG_PPC_OR_TSR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x87) +#define KVM_REG_PPC_CLEAR_TSR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x88) +#define KVM_REG_PPC_TCR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x89) +#define KVM_REG_PPC_TSR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x8a) + +/* Debugging: Special instruction for software breakpoint */ +#define KVM_REG_PPC_DEBUG_INST (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x8b) + +/* MMU registers */ +#define KVM_REG_PPC_MAS0 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x8c) +#define KVM_REG_PPC_MAS1 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x8d) +#define KVM_REG_PPC_MAS2 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x8e) +#define KVM_REG_PPC_MAS7_3 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x8f) +#define KVM_REG_PPC_MAS4 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x90) +#define KVM_REG_PPC_MAS6 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x91) +#define KVM_REG_PPC_MMUCFG (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x92) +/* + * TLBnCFG fields TLBnCFG_N_ENTRY and TLBnCFG_ASSOC can be changed only using + * KVM_CAP_SW_TLB ioctl + */ +#define KVM_REG_PPC_TLB0CFG (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x93) +#define KVM_REG_PPC_TLB1CFG (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x94) +#define KVM_REG_PPC_TLB2CFG (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x95) +#define KVM_REG_PPC_TLB3CFG (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x96) +#define KVM_REG_PPC_TLB0PS (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x97) +#define KVM_REG_PPC_TLB1PS (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x98) +#define KVM_REG_PPC_TLB2PS (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x99) +#define KVM_REG_PPC_TLB3PS (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x9a) +#define KVM_REG_PPC_EPTCFG (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x9b) + +/* Timebase offset */ +#define KVM_REG_PPC_TB_OFFSET (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x9c) + +/* POWER8 registers */ +#define KVM_REG_PPC_SPMC1 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x9d) +#define KVM_REG_PPC_SPMC2 (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x9e) +#define KVM_REG_PPC_IAMR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0x9f) +#define KVM_REG_PPC_TFHAR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa0) +#define KVM_REG_PPC_TFIAR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa1) +#define KVM_REG_PPC_TEXASR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa2) +#define KVM_REG_PPC_FSCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa3) +#define KVM_REG_PPC_PSPB (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xa4) +#define KVM_REG_PPC_EBBHR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa5) +#define KVM_REG_PPC_EBBRR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa6) +#define KVM_REG_PPC_BESCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa7) +#define KVM_REG_PPC_TAR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa8) +#define KVM_REG_PPC_DPDES (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xa9) +#define KVM_REG_PPC_DAWR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xaa) +#define KVM_REG_PPC_DAWRX (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xab) +#define KVM_REG_PPC_CIABR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xac) +#define KVM_REG_PPC_IC (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xad) +#define KVM_REG_PPC_VTB (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xae) +#define KVM_REG_PPC_CSIGR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xaf) +#define KVM_REG_PPC_TACR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb0) +#define KVM_REG_PPC_TCSCR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb1) +#define KVM_REG_PPC_PID (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb2) +#define KVM_REG_PPC_ACOP (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb3) + +#define KVM_REG_PPC_VRSAVE (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xb4) +#define KVM_REG_PPC_LPCR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xb5) +#define KVM_REG_PPC_LPCR_64 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb5) +#define KVM_REG_PPC_PPR (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb6) + +/* Architecture compatibility level */ +#define KVM_REG_PPC_ARCH_COMPAT (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xb7) + +#define KVM_REG_PPC_DABRX (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xb8) +#define KVM_REG_PPC_WORT (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xb9) +#define KVM_REG_PPC_SPRG9 (KVM_REG_PPC | KVM_REG_SIZE_U64 | 0xba) +#define KVM_REG_PPC_DBSR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0xbb) + +/* Transactional Memory checkpointed state: + * This is all GPRs, all VSX regs and a subset of SPRs + */ +#define KVM_REG_PPC_TM (KVM_REG_PPC | 0x80000000) +/* TM GPRs */ +#define KVM_REG_PPC_TM_GPR0 (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0) +#define KVM_REG_PPC_TM_GPR(n) (KVM_REG_PPC_TM_GPR0 + (n)) +#define KVM_REG_PPC_TM_GPR31 (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x1f) +/* TM VSX */ +#define KVM_REG_PPC_TM_VSR0 (KVM_REG_PPC_TM | KVM_REG_SIZE_U128 | 0x20) +#define KVM_REG_PPC_TM_VSR(n) (KVM_REG_PPC_TM_VSR0 + (n)) +#define KVM_REG_PPC_TM_VSR63 (KVM_REG_PPC_TM | KVM_REG_SIZE_U128 | 0x5f) +/* TM SPRS */ +#define KVM_REG_PPC_TM_CR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x60) +#define KVM_REG_PPC_TM_LR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x61) +#define KVM_REG_PPC_TM_CTR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x62) +#define KVM_REG_PPC_TM_FPSCR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x63) +#define KVM_REG_PPC_TM_AMR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x64) +#define KVM_REG_PPC_TM_PPR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x65) +#define KVM_REG_PPC_TM_VRSAVE (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x66) +#define KVM_REG_PPC_TM_VSCR (KVM_REG_PPC_TM | KVM_REG_SIZE_U32 | 0x67) +#define KVM_REG_PPC_TM_DSCR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x68) +#define KVM_REG_PPC_TM_TAR (KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x69) + +/* PPC64 eXternal Interrupt Controller Specification */ +#define KVM_DEV_XICS_GRP_SOURCES 1 /* 64-bit source attributes */ + +/* Layout of 64-bit source attribute values */ +#define KVM_XICS_DESTINATION_SHIFT 0 +#define KVM_XICS_DESTINATION_MASK 0xffffffffULL +#define KVM_XICS_PRIORITY_SHIFT 32 +#define KVM_XICS_PRIORITY_MASK 0xff +#define KVM_XICS_LEVEL_SENSITIVE (1ULL << 40) +#define KVM_XICS_MASKED (1ULL << 41) +#define KVM_XICS_PENDING (1ULL << 42) + +#endif /* __LINUX_KVM_POWERPC_H */ diff --git a/tools/arch/powerpc/include/uapi/asm/perf_regs.h b/tools/arch/powerpc/include/uapi/asm/perf_regs.h new file mode 100644 index 000000000000..6a93209748a1 --- /dev/null +++ b/tools/arch/powerpc/include/uapi/asm/perf_regs.h @@ -0,0 +1,50 @@ +#ifndef _UAPI_ASM_POWERPC_PERF_REGS_H +#define _UAPI_ASM_POWERPC_PERF_REGS_H + +enum perf_event_powerpc_regs { + PERF_REG_POWERPC_R0, + PERF_REG_POWERPC_R1, + PERF_REG_POWERPC_R2, + PERF_REG_POWERPC_R3, + PERF_REG_POWERPC_R4, + PERF_REG_POWERPC_R5, + PERF_REG_POWERPC_R6, + PERF_REG_POWERPC_R7, + PERF_REG_POWERPC_R8, + PERF_REG_POWERPC_R9, + PERF_REG_POWERPC_R10, + PERF_REG_POWERPC_R11, + PERF_REG_POWERPC_R12, + PERF_REG_POWERPC_R13, + PERF_REG_POWERPC_R14, + PERF_REG_POWERPC_R15, + PERF_REG_POWERPC_R16, + PERF_REG_POWERPC_R17, + PERF_REG_POWERPC_R18, + PERF_REG_POWERPC_R19, + PERF_REG_POWERPC_R20, + PERF_REG_POWERPC_R21, + PERF_REG_POWERPC_R22, + PERF_REG_POWERPC_R23, + PERF_REG_POWERPC_R24, + PERF_REG_POWERPC_R25, + PERF_REG_POWERPC_R26, + PERF_REG_POWERPC_R27, + PERF_REG_POWERPC_R28, + PERF_REG_POWERPC_R29, + PERF_REG_POWERPC_R30, + PERF_REG_POWERPC_R31, + PERF_REG_POWERPC_NIP, + PERF_REG_POWERPC_MSR, + PERF_REG_POWERPC_ORIG_R3, + PERF_REG_POWERPC_CTR, + PERF_REG_POWERPC_LINK, + PERF_REG_POWERPC_XER, + PERF_REG_POWERPC_CCR, + PERF_REG_POWERPC_SOFTE, + PERF_REG_POWERPC_TRAP, + PERF_REG_POWERPC_DAR, + PERF_REG_POWERPC_DSISR, + PERF_REG_POWERPC_MAX, +}; +#endif /* _UAPI_ASM_POWERPC_PERF_REGS_H */ diff --git a/tools/arch/s390/include/uapi/asm/bitsperlong.h b/tools/arch/s390/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..e351ea2ad43e --- /dev/null +++ b/tools/arch/s390/include/uapi/asm/bitsperlong.h @@ -0,0 +1,12 @@ +#ifndef __ASM_S390_BITSPERLONG_H +#define __ASM_S390_BITSPERLONG_H + +#ifndef __s390x__ +#define __BITS_PER_LONG 32 +#else +#define __BITS_PER_LONG 64 +#endif + +#include <asm-generic/bitsperlong.h> + +#endif /* __ASM_S390_BITSPERLONG_H */ diff --git a/tools/arch/s390/include/uapi/asm/kvm.h b/tools/arch/s390/include/uapi/asm/kvm.h new file mode 100644 index 000000000000..3b8e99ef9d58 --- /dev/null +++ b/tools/arch/s390/include/uapi/asm/kvm.h @@ -0,0 +1,192 @@ +#ifndef __LINUX_KVM_S390_H +#define __LINUX_KVM_S390_H +/* + * KVM s390 specific structures and definitions + * + * Copyright IBM Corp. 2008 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (version 2 only) + * as published by the Free Software Foundation. + * + * Author(s): Carsten Otte <cotte@de.ibm.com> + * Christian Borntraeger <borntraeger@de.ibm.com> + */ +#include <linux/types.h> + +#define __KVM_S390 +#define __KVM_HAVE_GUEST_DEBUG + +/* Device control API: s390-specific devices */ +#define KVM_DEV_FLIC_GET_ALL_IRQS 1 +#define KVM_DEV_FLIC_ENQUEUE 2 +#define KVM_DEV_FLIC_CLEAR_IRQS 3 +#define KVM_DEV_FLIC_APF_ENABLE 4 +#define KVM_DEV_FLIC_APF_DISABLE_WAIT 5 +#define KVM_DEV_FLIC_ADAPTER_REGISTER 6 +#define KVM_DEV_FLIC_ADAPTER_MODIFY 7 +#define KVM_DEV_FLIC_CLEAR_IO_IRQ 8 +/* + * We can have up to 4*64k pending subchannels + 8 adapter interrupts, + * as well as up to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts. + * There are also sclp and machine checks. This gives us + * sizeof(kvm_s390_irq)*(4*65536+8+64*64+1+1) = 72 * 266250 = 19170000 + * Lets round up to 8192 pages. + */ +#define KVM_S390_MAX_FLOAT_IRQS 266250 +#define KVM_S390_FLIC_MAX_BUFFER 0x2000000 + +struct kvm_s390_io_adapter { + __u32 id; + __u8 isc; + __u8 maskable; + __u8 swap; + __u8 pad; +}; + +#define KVM_S390_IO_ADAPTER_MASK 1 +#define KVM_S390_IO_ADAPTER_MAP 2 +#define KVM_S390_IO_ADAPTER_UNMAP 3 + +struct kvm_s390_io_adapter_req { + __u32 id; + __u8 type; + __u8 mask; + __u16 pad0; + __u64 addr; +}; + +/* kvm attr_group on vm fd */ +#define KVM_S390_VM_MEM_CTRL 0 +#define KVM_S390_VM_TOD 1 +#define KVM_S390_VM_CRYPTO 2 +#define KVM_S390_VM_CPU_MODEL 3 + +/* kvm attributes for mem_ctrl */ +#define KVM_S390_VM_MEM_ENABLE_CMMA 0 +#define KVM_S390_VM_MEM_CLR_CMMA 1 +#define KVM_S390_VM_MEM_LIMIT_SIZE 2 + +#define KVM_S390_NO_MEM_LIMIT U64_MAX + +/* kvm attributes for KVM_S390_VM_TOD */ +#define KVM_S390_VM_TOD_LOW 0 +#define KVM_S390_VM_TOD_HIGH 1 + +/* kvm attributes for KVM_S390_VM_CPU_MODEL */ +/* processor related attributes are r/w */ +#define KVM_S390_VM_CPU_PROCESSOR 0 +struct kvm_s390_vm_cpu_processor { + __u64 cpuid; + __u16 ibc; + __u8 pad[6]; + __u64 fac_list[256]; +}; + +/* machine related attributes are r/o */ +#define KVM_S390_VM_CPU_MACHINE 1 +struct kvm_s390_vm_cpu_machine { + __u64 cpuid; + __u32 ibc; + __u8 pad[4]; + __u64 fac_mask[256]; + __u64 fac_list[256]; +}; + +/* kvm attributes for crypto */ +#define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0 +#define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1 +#define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2 +#define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3 + +/* for KVM_GET_REGS and KVM_SET_REGS */ +struct kvm_regs { + /* general purpose regs for s390 */ + __u64 gprs[16]; +}; + +/* for KVM_GET_SREGS and KVM_SET_SREGS */ +struct kvm_sregs { + __u32 acrs[16]; + __u64 crs[16]; +}; + +/* for KVM_GET_FPU and KVM_SET_FPU */ +struct kvm_fpu { + __u32 fpc; + __u64 fprs[16]; +}; + +#define KVM_GUESTDBG_USE_HW_BP 0x00010000 + +#define KVM_HW_BP 1 +#define KVM_HW_WP_WRITE 2 +#define KVM_SINGLESTEP 4 + +struct kvm_debug_exit_arch { + __u64 addr; + __u8 type; + __u8 pad[7]; /* Should be set to 0 */ +}; + +struct kvm_hw_breakpoint { + __u64 addr; + __u64 phys_addr; + __u64 len; + __u8 type; + __u8 pad[7]; /* Should be set to 0 */ +}; + +/* for KVM_SET_GUEST_DEBUG */ +struct kvm_guest_debug_arch { + __u32 nr_hw_bp; + __u32 pad; /* Should be set to 0 */ + struct kvm_hw_breakpoint __user *hw_bp; +}; + +/* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */ +#define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL + +#define KVM_SYNC_PREFIX (1UL << 0) +#define KVM_SYNC_GPRS (1UL << 1) +#define KVM_SYNC_ACRS (1UL << 2) +#define KVM_SYNC_CRS (1UL << 3) +#define KVM_SYNC_ARCH0 (1UL << 4) +#define KVM_SYNC_PFAULT (1UL << 5) +#define KVM_SYNC_VRS (1UL << 6) +#define KVM_SYNC_RICCB (1UL << 7) +#define KVM_SYNC_FPRS (1UL << 8) +/* definition of registers in kvm_run */ +struct kvm_sync_regs { + __u64 prefix; /* prefix register */ + __u64 gprs[16]; /* general purpose registers */ + __u32 acrs[16]; /* access registers */ + __u64 crs[16]; /* control registers */ + __u64 todpr; /* tod programmable register [ARCH0] */ + __u64 cputm; /* cpu timer [ARCH0] */ + __u64 ckc; /* clock comparator [ARCH0] */ + __u64 pp; /* program parameter [ARCH0] */ + __u64 gbea; /* guest breaking-event address [ARCH0] */ + __u64 pft; /* pfault token [PFAULT] */ + __u64 pfs; /* pfault select [PFAULT] */ + __u64 pfc; /* pfault compare [PFAULT] */ + union { + __u64 vrs[32][2]; /* vector registers (KVM_SYNC_VRS) */ + __u64 fprs[16]; /* fp registers (KVM_SYNC_FPRS) */ + }; + __u8 reserved[512]; /* for future vector expansion */ + __u32 fpc; /* valid on KVM_SYNC_VRS or KVM_SYNC_FPRS */ + __u8 padding[52]; /* riccb needs to be 64byte aligned */ + __u8 riccb[64]; /* runtime instrumentation controls block */ +}; + +#define KVM_REG_S390_TODPR (KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1) +#define KVM_REG_S390_EPOCHDIFF (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2) +#define KVM_REG_S390_CPU_TIMER (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3) +#define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4) +#define KVM_REG_S390_PFTOKEN (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5) +#define KVM_REG_S390_PFCOMPARE (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6) +#define KVM_REG_S390_PFSELECT (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7) +#define KVM_REG_S390_PP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x8) +#define KVM_REG_S390_GBEA (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x9) +#endif diff --git a/tools/arch/s390/include/uapi/asm/kvm_perf.h b/tools/arch/s390/include/uapi/asm/kvm_perf.h new file mode 100644 index 000000000000..397282727e21 --- /dev/null +++ b/tools/arch/s390/include/uapi/asm/kvm_perf.h @@ -0,0 +1,25 @@ +/* + * Definitions for perf-kvm on s390 + * + * Copyright 2014 IBM Corp. + * Author(s): Alexander Yarygin <yarygin@linux.vnet.ibm.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (version 2 only) + * as published by the Free Software Foundation. + */ + +#ifndef __LINUX_KVM_PERF_S390_H +#define __LINUX_KVM_PERF_S390_H + +#include <asm/sie.h> + +#define DECODE_STR_LEN 40 + +#define VCPU_ID "id" + +#define KVM_ENTRY_TRACE "kvm:kvm_s390_sie_enter" +#define KVM_EXIT_TRACE "kvm:kvm_s390_sie_exit" +#define KVM_EXIT_REASON "icptcode" + +#endif diff --git a/tools/arch/s390/include/uapi/asm/sie.h b/tools/arch/s390/include/uapi/asm/sie.h new file mode 100644 index 000000000000..8fb5d4a6dd25 --- /dev/null +++ b/tools/arch/s390/include/uapi/asm/sie.h @@ -0,0 +1,250 @@ +#ifndef _UAPI_ASM_S390_SIE_H +#define _UAPI_ASM_S390_SIE_H + +#define diagnose_codes \ + { 0x10, "DIAG (0x10) release pages" }, \ + { 0x44, "DIAG (0x44) time slice end" }, \ + { 0x9c, "DIAG (0x9c) time slice end directed" }, \ + { 0x204, "DIAG (0x204) logical-cpu utilization" }, \ + { 0x258, "DIAG (0x258) page-reference services" }, \ + { 0x288, "DIAG (0x288) watchdog functions" }, \ + { 0x308, "DIAG (0x308) ipl functions" }, \ + { 0x500, "DIAG (0x500) KVM virtio functions" }, \ + { 0x501, "DIAG (0x501) KVM breakpoint" } + +#define sigp_order_codes \ + { 0x01, "SIGP sense" }, \ + { 0x02, "SIGP external call" }, \ + { 0x03, "SIGP emergency signal" }, \ + { 0x04, "SIGP start" }, \ + { 0x05, "SIGP stop" }, \ + { 0x06, "SIGP restart" }, \ + { 0x09, "SIGP stop and store status" }, \ + { 0x0b, "SIGP initial cpu reset" }, \ + { 0x0c, "SIGP cpu reset" }, \ + { 0x0d, "SIGP set prefix" }, \ + { 0x0e, "SIGP store status at address" }, \ + { 0x12, "SIGP set architecture" }, \ + { 0x13, "SIGP conditional emergency signal" }, \ + { 0x15, "SIGP sense running" }, \ + { 0x16, "SIGP set multithreading"}, \ + { 0x17, "SIGP store additional status ait address"} + +#define icpt_prog_codes \ + { 0x0001, "Prog Operation" }, \ + { 0x0002, "Prog Privileged Operation" }, \ + { 0x0003, "Prog Execute" }, \ + { 0x0004, "Prog Protection" }, \ + { 0x0005, "Prog Addressing" }, \ + { 0x0006, "Prog Specification" }, \ + { 0x0007, "Prog Data" }, \ + { 0x0008, "Prog Fixedpoint overflow" }, \ + { 0x0009, "Prog Fixedpoint divide" }, \ + { 0x000A, "Prog Decimal overflow" }, \ + { 0x000B, "Prog Decimal divide" }, \ + { 0x000C, "Prog HFP exponent overflow" }, \ + { 0x000D, "Prog HFP exponent underflow" }, \ + { 0x000E, "Prog HFP significance" }, \ + { 0x000F, "Prog HFP divide" }, \ + { 0x0010, "Prog Segment translation" }, \ + { 0x0011, "Prog Page translation" }, \ + { 0x0012, "Prog Translation specification" }, \ + { 0x0013, "Prog Special operation" }, \ + { 0x0015, "Prog Operand" }, \ + { 0x0016, "Prog Trace table" }, \ + { 0x0017, "Prog ASNtranslation specification" }, \ + { 0x001C, "Prog Spaceswitch event" }, \ + { 0x001D, "Prog HFP square root" }, \ + { 0x001F, "Prog PCtranslation specification" }, \ + { 0x0020, "Prog AFX translation" }, \ + { 0x0021, "Prog ASX translation" }, \ + { 0x0022, "Prog LX translation" }, \ + { 0x0023, "Prog EX translation" }, \ + { 0x0024, "Prog Primary authority" }, \ + { 0x0025, "Prog Secondary authority" }, \ + { 0x0026, "Prog LFXtranslation exception" }, \ + { 0x0027, "Prog LSXtranslation exception" }, \ + { 0x0028, "Prog ALET specification" }, \ + { 0x0029, "Prog ALEN translation" }, \ + { 0x002A, "Prog ALE sequence" }, \ + { 0x002B, "Prog ASTE validity" }, \ + { 0x002C, "Prog ASTE sequence" }, \ + { 0x002D, "Prog Extended authority" }, \ + { 0x002E, "Prog LSTE sequence" }, \ + { 0x002F, "Prog ASTE instance" }, \ + { 0x0030, "Prog Stack full" }, \ + { 0x0031, "Prog Stack empty" }, \ + { 0x0032, "Prog Stack specification" }, \ + { 0x0033, "Prog Stack type" }, \ + { 0x0034, "Prog Stack operation" }, \ + { 0x0039, "Prog Region first translation" }, \ + { 0x003A, "Prog Region second translation" }, \ + { 0x003B, "Prog Region third translation" }, \ + { 0x0040, "Prog Monitor event" }, \ + { 0x0080, "Prog PER event" }, \ + { 0x0119, "Prog Crypto operation" } + +#define exit_code_ipa0(ipa0, opcode, mnemonic) \ + { (ipa0 << 8 | opcode), #ipa0 " " mnemonic } +#define exit_code(opcode, mnemonic) \ + { opcode, mnemonic } + +#define icpt_insn_codes \ + exit_code_ipa0(0x01, 0x01, "PR"), \ + exit_code_ipa0(0x01, 0x04, "PTFF"), \ + exit_code_ipa0(0x01, 0x07, "SCKPF"), \ + exit_code_ipa0(0xAA, 0x00, "RINEXT"), \ + exit_code_ipa0(0xAA, 0x01, "RION"), \ + exit_code_ipa0(0xAA, 0x02, "TRIC"), \ + exit_code_ipa0(0xAA, 0x03, "RIOFF"), \ + exit_code_ipa0(0xAA, 0x04, "RIEMIT"), \ + exit_code_ipa0(0xB2, 0x02, "STIDP"), \ + exit_code_ipa0(0xB2, 0x04, "SCK"), \ + exit_code_ipa0(0xB2, 0x05, "STCK"), \ + exit_code_ipa0(0xB2, 0x06, "SCKC"), \ + exit_code_ipa0(0xB2, 0x07, "STCKC"), \ + exit_code_ipa0(0xB2, 0x08, "SPT"), \ + exit_code_ipa0(0xB2, 0x09, "STPT"), \ + exit_code_ipa0(0xB2, 0x0d, "PTLB"), \ + exit_code_ipa0(0xB2, 0x10, "SPX"), \ + exit_code_ipa0(0xB2, 0x11, "STPX"), \ + exit_code_ipa0(0xB2, 0x12, "STAP"), \ + exit_code_ipa0(0xB2, 0x14, "SIE"), \ + exit_code_ipa0(0xB2, 0x16, "SETR"), \ + exit_code_ipa0(0xB2, 0x17, "STETR"), \ + exit_code_ipa0(0xB2, 0x18, "PC"), \ + exit_code_ipa0(0xB2, 0x20, "SERVC"), \ + exit_code_ipa0(0xB2, 0x21, "IPTE"), \ + exit_code_ipa0(0xB2, 0x28, "PT"), \ + exit_code_ipa0(0xB2, 0x29, "ISKE"), \ + exit_code_ipa0(0xB2, 0x2a, "RRBE"), \ + exit_code_ipa0(0xB2, 0x2b, "SSKE"), \ + exit_code_ipa0(0xB2, 0x2c, "TB"), \ + exit_code_ipa0(0xB2, 0x2e, "PGIN"), \ + exit_code_ipa0(0xB2, 0x2f, "PGOUT"), \ + exit_code_ipa0(0xB2, 0x30, "CSCH"), \ + exit_code_ipa0(0xB2, 0x31, "HSCH"), \ + exit_code_ipa0(0xB2, 0x32, "MSCH"), \ + exit_code_ipa0(0xB2, 0x33, "SSCH"), \ + exit_code_ipa0(0xB2, 0x34, "STSCH"), \ + exit_code_ipa0(0xB2, 0x35, "TSCH"), \ + exit_code_ipa0(0xB2, 0x36, "TPI"), \ + exit_code_ipa0(0xB2, 0x37, "SAL"), \ + exit_code_ipa0(0xB2, 0x38, "RSCH"), \ + exit_code_ipa0(0xB2, 0x39, "STCRW"), \ + exit_code_ipa0(0xB2, 0x3a, "STCPS"), \ + exit_code_ipa0(0xB2, 0x3b, "RCHP"), \ + exit_code_ipa0(0xB2, 0x3c, "SCHM"), \ + exit_code_ipa0(0xB2, 0x40, "BAKR"), \ + exit_code_ipa0(0xB2, 0x48, "PALB"), \ + exit_code_ipa0(0xB2, 0x4c, "TAR"), \ + exit_code_ipa0(0xB2, 0x50, "CSP"), \ + exit_code_ipa0(0xB2, 0x54, "MVPG"), \ + exit_code_ipa0(0xB2, 0x58, "BSG"), \ + exit_code_ipa0(0xB2, 0x5a, "BSA"), \ + exit_code_ipa0(0xB2, 0x5f, "CHSC"), \ + exit_code_ipa0(0xB2, 0x74, "SIGA"), \ + exit_code_ipa0(0xB2, 0x76, "XSCH"), \ + exit_code_ipa0(0xB2, 0x78, "STCKE"), \ + exit_code_ipa0(0xB2, 0x7c, "STCKF"), \ + exit_code_ipa0(0xB2, 0x7d, "STSI"), \ + exit_code_ipa0(0xB2, 0xb0, "STFLE"), \ + exit_code_ipa0(0xB2, 0xb1, "STFL"), \ + exit_code_ipa0(0xB2, 0xb2, "LPSWE"), \ + exit_code_ipa0(0xB2, 0xf8, "TEND"), \ + exit_code_ipa0(0xB2, 0xfc, "TABORT"), \ + exit_code_ipa0(0xB9, 0x1e, "KMAC"), \ + exit_code_ipa0(0xB9, 0x28, "PCKMO"), \ + exit_code_ipa0(0xB9, 0x2a, "KMF"), \ + exit_code_ipa0(0xB9, 0x2b, "KMO"), \ + exit_code_ipa0(0xB9, 0x2d, "KMCTR"), \ + exit_code_ipa0(0xB9, 0x2e, "KM"), \ + exit_code_ipa0(0xB9, 0x2f, "KMC"), \ + exit_code_ipa0(0xB9, 0x3e, "KIMD"), \ + exit_code_ipa0(0xB9, 0x3f, "KLMD"), \ + exit_code_ipa0(0xB9, 0x8a, "CSPG"), \ + exit_code_ipa0(0xB9, 0x8d, "EPSW"), \ + exit_code_ipa0(0xB9, 0x8e, "IDTE"), \ + exit_code_ipa0(0xB9, 0x8f, "CRDTE"), \ + exit_code_ipa0(0xB9, 0x9c, "EQBS"), \ + exit_code_ipa0(0xB9, 0xa2, "PTF"), \ + exit_code_ipa0(0xB9, 0xab, "ESSA"), \ + exit_code_ipa0(0xB9, 0xae, "RRBM"), \ + exit_code_ipa0(0xB9, 0xaf, "PFMF"), \ + exit_code_ipa0(0xE3, 0x03, "LRAG"), \ + exit_code_ipa0(0xE3, 0x13, "LRAY"), \ + exit_code_ipa0(0xE3, 0x25, "NTSTG"), \ + exit_code_ipa0(0xE5, 0x00, "LASP"), \ + exit_code_ipa0(0xE5, 0x01, "TPROT"), \ + exit_code_ipa0(0xE5, 0x60, "TBEGIN"), \ + exit_code_ipa0(0xE5, 0x61, "TBEGINC"), \ + exit_code_ipa0(0xEB, 0x25, "STCTG"), \ + exit_code_ipa0(0xEB, 0x2f, "LCTLG"), \ + exit_code_ipa0(0xEB, 0x60, "LRIC"), \ + exit_code_ipa0(0xEB, 0x61, "STRIC"), \ + exit_code_ipa0(0xEB, 0x62, "MRIC"), \ + exit_code_ipa0(0xEB, 0x8a, "SQBS"), \ + exit_code_ipa0(0xC8, 0x01, "ECTG"), \ + exit_code(0x0a, "SVC"), \ + exit_code(0x80, "SSM"), \ + exit_code(0x82, "LPSW"), \ + exit_code(0x83, "DIAG"), \ + exit_code(0xae, "SIGP"), \ + exit_code(0xac, "STNSM"), \ + exit_code(0xad, "STOSM"), \ + exit_code(0xb1, "LRA"), \ + exit_code(0xb6, "STCTL"), \ + exit_code(0xb7, "LCTL"), \ + exit_code(0xee, "PLO") + +#define sie_intercept_code \ + { 0x00, "Host interruption" }, \ + { 0x04, "Instruction" }, \ + { 0x08, "Program interruption" }, \ + { 0x0c, "Instruction and program interruption" }, \ + { 0x10, "External request" }, \ + { 0x14, "External interruption" }, \ + { 0x18, "I/O request" }, \ + { 0x1c, "Wait state" }, \ + { 0x20, "Validity" }, \ + { 0x28, "Stop request" }, \ + { 0x2c, "Operation exception" }, \ + { 0x38, "Partial-execution" }, \ + { 0x3c, "I/O interruption" }, \ + { 0x40, "I/O instruction" }, \ + { 0x48, "Timing subset" } + +/* + * This is the simple interceptable instructions decoder. + * + * It will be used as userspace interface and it can be used in places + * that does not allow to use general decoder functions, + * such as trace events declarations. + * + * Some userspace tools may want to parse this code + * and would be confused by switch(), if() and other statements, + * but they can understand conditional operator. + */ +#define INSN_DECODE_IPA0(ipa0, insn, rshift, mask) \ + (insn >> 56) == (ipa0) ? \ + ((ipa0 << 8) | ((insn >> rshift) & mask)) : + +#define INSN_DECODE(insn) (insn >> 56) + +/* + * The macro icpt_insn_decoder() takes an intercepted instruction + * and returns a key, which can be used to find a mnemonic name + * of the instruction in the icpt_insn_codes table. + */ +#define icpt_insn_decoder(insn) ( \ + INSN_DECODE_IPA0(0x01, insn, 48, 0xff) \ + INSN_DECODE_IPA0(0xaa, insn, 48, 0x0f) \ + INSN_DECODE_IPA0(0xb2, insn, 48, 0xff) \ + INSN_DECODE_IPA0(0xb9, insn, 48, 0xff) \ + INSN_DECODE_IPA0(0xe3, insn, 48, 0xff) \ + INSN_DECODE_IPA0(0xe5, insn, 48, 0xff) \ + INSN_DECODE_IPA0(0xeb, insn, 16, 0xff) \ + INSN_DECODE_IPA0(0xc8, insn, 48, 0x0f) \ + INSN_DECODE(insn)) + +#endif /* _UAPI_ASM_S390_SIE_H */ diff --git a/tools/arch/score/include/uapi/asm/bitsperlong.h b/tools/arch/score/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..86ff337aa459 --- /dev/null +++ b/tools/arch/score/include/uapi/asm/bitsperlong.h @@ -0,0 +1,6 @@ +#ifndef _ASM_SCORE_BITSPERLONG_H +#define _ASM_SCORE_BITSPERLONG_H + +#include <asm-generic/bitsperlong.h> + +#endif /* _ASM_SCORE_BITSPERLONG_H */ diff --git a/tools/arch/sparc/include/uapi/asm/bitsperlong.h b/tools/arch/sparc/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..b62dd907d7c3 --- /dev/null +++ b/tools/arch/sparc/include/uapi/asm/bitsperlong.h @@ -0,0 +1,12 @@ +#ifndef __ASM_ALPHA_BITSPERLONG_H +#define __ASM_ALPHA_BITSPERLONG_H + +#if defined(__sparc__) && defined(__arch64__) +#define __BITS_PER_LONG 64 +#else +#define __BITS_PER_LONG 32 +#endif + +#include <asm-generic/bitsperlong.h> + +#endif /* __ASM_ALPHA_BITSPERLONG_H */ diff --git a/tools/arch/tile/include/uapi/asm/bitsperlong.h b/tools/arch/tile/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..58c771f2af2f --- /dev/null +++ b/tools/arch/tile/include/uapi/asm/bitsperlong.h @@ -0,0 +1,26 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#ifndef _ASM_TILE_BITSPERLONG_H +#define _ASM_TILE_BITSPERLONG_H + +#ifdef __LP64__ +# define __BITS_PER_LONG 64 +#else +# define __BITS_PER_LONG 32 +#endif + +#include <asm-generic/bitsperlong.h> + +#endif /* _ASM_TILE_BITSPERLONG_H */ diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h new file mode 100644 index 000000000000..4a413485f9eb --- /dev/null +++ b/tools/arch/x86/include/asm/cpufeatures.h @@ -0,0 +1,316 @@ +#ifndef _ASM_X86_CPUFEATURES_H +#define _ASM_X86_CPUFEATURES_H + +#ifndef _ASM_X86_REQUIRED_FEATURES_H +#include <asm/required-features.h> +#endif + +#ifndef _ASM_X86_DISABLED_FEATURES_H +#include <asm/disabled-features.h> +#endif + +/* + * Defines x86 CPU feature bits + */ +#define NCAPINTS 18 /* N 32-bit words worth of info */ +#define NBUGINTS 1 /* N 32-bit bug flags */ + +/* + * Note: If the comment begins with a quoted string, that string is used + * in /proc/cpuinfo instead of the macro name. If the string is "", + * this feature bit is not displayed in /proc/cpuinfo at all. + */ + +/* Intel-defined CPU features, CPUID level 0x00000001 (edx), word 0 */ +#define X86_FEATURE_FPU ( 0*32+ 0) /* Onboard FPU */ +#define X86_FEATURE_VME ( 0*32+ 1) /* Virtual Mode Extensions */ +#define X86_FEATURE_DE ( 0*32+ 2) /* Debugging Extensions */ +#define X86_FEATURE_PSE ( 0*32+ 3) /* Page Size Extensions */ +#define X86_FEATURE_TSC ( 0*32+ 4) /* Time Stamp Counter */ +#define X86_FEATURE_MSR ( 0*32+ 5) /* Model-Specific Registers */ +#define X86_FEATURE_PAE ( 0*32+ 6) /* Physical Address Extensions */ +#define X86_FEATURE_MCE ( 0*32+ 7) /* Machine Check Exception */ +#define X86_FEATURE_CX8 ( 0*32+ 8) /* CMPXCHG8 instruction */ +#define X86_FEATURE_APIC ( 0*32+ 9) /* Onboard APIC */ +#define X86_FEATURE_SEP ( 0*32+11) /* SYSENTER/SYSEXIT */ +#define X86_FEATURE_MTRR ( 0*32+12) /* Memory Type Range Registers */ +#define X86_FEATURE_PGE ( 0*32+13) /* Page Global Enable */ +#define X86_FEATURE_MCA ( 0*32+14) /* Machine Check Architecture */ +#define X86_FEATURE_CMOV ( 0*32+15) /* CMOV instructions */ + /* (plus FCMOVcc, FCOMI with FPU) */ +#define X86_FEATURE_PAT ( 0*32+16) /* Page Attribute Table */ +#define X86_FEATURE_PSE36 ( 0*32+17) /* 36-bit PSEs */ +#define X86_FEATURE_PN ( 0*32+18) /* Processor serial number */ +#define X86_FEATURE_CLFLUSH ( 0*32+19) /* CLFLUSH instruction */ +#define X86_FEATURE_DS ( 0*32+21) /* "dts" Debug Store */ +#define X86_FEATURE_ACPI ( 0*32+22) /* ACPI via MSR */ +#define X86_FEATURE_MMX ( 0*32+23) /* Multimedia Extensions */ +#define X86_FEATURE_FXSR ( 0*32+24) /* FXSAVE/FXRSTOR, CR4.OSFXSR */ +#define X86_FEATURE_XMM ( 0*32+25) /* "sse" */ +#define X86_FEATURE_XMM2 ( 0*32+26) /* "sse2" */ +#define X86_FEATURE_SELFSNOOP ( 0*32+27) /* "ss" CPU self snoop */ +#define X86_FEATURE_HT ( 0*32+28) /* Hyper-Threading */ +#define X86_FEATURE_ACC ( 0*32+29) /* "tm" Automatic clock control */ +#define X86_FEATURE_IA64 ( 0*32+30) /* IA-64 processor */ +#define X86_FEATURE_PBE ( 0*32+31) /* Pending Break Enable */ + +/* AMD-defined CPU features, CPUID level 0x80000001, word 1 */ +/* Don't duplicate feature flags which are redundant with Intel! */ +#define X86_FEATURE_SYSCALL ( 1*32+11) /* SYSCALL/SYSRET */ +#define X86_FEATURE_MP ( 1*32+19) /* MP Capable. */ +#define X86_FEATURE_NX ( 1*32+20) /* Execute Disable */ +#define X86_FEATURE_MMXEXT ( 1*32+22) /* AMD MMX extensions */ +#define X86_FEATURE_FXSR_OPT ( 1*32+25) /* FXSAVE/FXRSTOR optimizations */ +#define X86_FEATURE_GBPAGES ( 1*32+26) /* "pdpe1gb" GB pages */ +#define X86_FEATURE_RDTSCP ( 1*32+27) /* RDTSCP */ +#define X86_FEATURE_LM ( 1*32+29) /* Long Mode (x86-64) */ +#define X86_FEATURE_3DNOWEXT ( 1*32+30) /* AMD 3DNow! extensions */ +#define X86_FEATURE_3DNOW ( 1*32+31) /* 3DNow! */ + +/* Transmeta-defined CPU features, CPUID level 0x80860001, word 2 */ +#define X86_FEATURE_RECOVERY ( 2*32+ 0) /* CPU in recovery mode */ +#define X86_FEATURE_LONGRUN ( 2*32+ 1) /* Longrun power control */ +#define X86_FEATURE_LRTI ( 2*32+ 3) /* LongRun table interface */ + +/* Other features, Linux-defined mapping, word 3 */ +/* This range is used for feature bits which conflict or are synthesized */ +#define X86_FEATURE_CXMMX ( 3*32+ 0) /* Cyrix MMX extensions */ +#define X86_FEATURE_K6_MTRR ( 3*32+ 1) /* AMD K6 nonstandard MTRRs */ +#define X86_FEATURE_CYRIX_ARR ( 3*32+ 2) /* Cyrix ARRs (= MTRRs) */ +#define X86_FEATURE_CENTAUR_MCR ( 3*32+ 3) /* Centaur MCRs (= MTRRs) */ +/* cpu types for specific tunings: */ +#define X86_FEATURE_K8 ( 3*32+ 4) /* "" Opteron, Athlon64 */ +#define X86_FEATURE_K7 ( 3*32+ 5) /* "" Athlon */ +#define X86_FEATURE_P3 ( 3*32+ 6) /* "" P3 */ +#define X86_FEATURE_P4 ( 3*32+ 7) /* "" P4 */ +#define X86_FEATURE_CONSTANT_TSC ( 3*32+ 8) /* TSC ticks at a constant rate */ +#define X86_FEATURE_UP ( 3*32+ 9) /* smp kernel running on up */ +#define X86_FEATURE_ART ( 3*32+10) /* Platform has always running timer (ART) */ +#define X86_FEATURE_ARCH_PERFMON ( 3*32+11) /* Intel Architectural PerfMon */ +#define X86_FEATURE_PEBS ( 3*32+12) /* Precise-Event Based Sampling */ +#define X86_FEATURE_BTS ( 3*32+13) /* Branch Trace Store */ +#define X86_FEATURE_SYSCALL32 ( 3*32+14) /* "" syscall in ia32 userspace */ +#define X86_FEATURE_SYSENTER32 ( 3*32+15) /* "" sysenter in ia32 userspace */ +#define X86_FEATURE_REP_GOOD ( 3*32+16) /* rep microcode works well */ +#define X86_FEATURE_MFENCE_RDTSC ( 3*32+17) /* "" Mfence synchronizes RDTSC */ +#define X86_FEATURE_LFENCE_RDTSC ( 3*32+18) /* "" Lfence synchronizes RDTSC */ +#define X86_FEATURE_ACC_POWER ( 3*32+19) /* AMD Accumulated Power Mechanism */ +#define X86_FEATURE_NOPL ( 3*32+20) /* The NOPL (0F 1F) instructions */ +#define X86_FEATURE_ALWAYS ( 3*32+21) /* "" Always-present feature */ +#define X86_FEATURE_XTOPOLOGY ( 3*32+22) /* cpu topology enum extensions */ +#define X86_FEATURE_TSC_RELIABLE ( 3*32+23) /* TSC is known to be reliable */ +#define X86_FEATURE_NONSTOP_TSC ( 3*32+24) /* TSC does not stop in C states */ +/* free, was #define X86_FEATURE_CLFLUSH_MONITOR ( 3*32+25) * "" clflush reqd with monitor */ +#define X86_FEATURE_EXTD_APICID ( 3*32+26) /* has extended APICID (8 bits) */ +#define X86_FEATURE_AMD_DCM ( 3*32+27) /* multi-node processor */ +#define X86_FEATURE_APERFMPERF ( 3*32+28) /* APERFMPERF */ +#define X86_FEATURE_EAGER_FPU ( 3*32+29) /* "eagerfpu" Non lazy FPU restore */ +#define X86_FEATURE_NONSTOP_TSC_S3 ( 3*32+30) /* TSC doesn't stop in S3 state */ +#define X86_FEATURE_MCE_RECOVERY ( 3*32+31) /* cpu has recoverable machine checks */ + +/* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */ +#define X86_FEATURE_XMM3 ( 4*32+ 0) /* "pni" SSE-3 */ +#define X86_FEATURE_PCLMULQDQ ( 4*32+ 1) /* PCLMULQDQ instruction */ +#define X86_FEATURE_DTES64 ( 4*32+ 2) /* 64-bit Debug Store */ +#define X86_FEATURE_MWAIT ( 4*32+ 3) /* "monitor" Monitor/Mwait support */ +#define X86_FEATURE_DSCPL ( 4*32+ 4) /* "ds_cpl" CPL Qual. Debug Store */ +#define X86_FEATURE_VMX ( 4*32+ 5) /* Hardware virtualization */ +#define X86_FEATURE_SMX ( 4*32+ 6) /* Safer mode */ +#define X86_FEATURE_EST ( 4*32+ 7) /* Enhanced SpeedStep */ +#define X86_FEATURE_TM2 ( 4*32+ 8) /* Thermal Monitor 2 */ +#define X86_FEATURE_SSSE3 ( 4*32+ 9) /* Supplemental SSE-3 */ +#define X86_FEATURE_CID ( 4*32+10) /* Context ID */ +#define X86_FEATURE_SDBG ( 4*32+11) /* Silicon Debug */ +#define X86_FEATURE_FMA ( 4*32+12) /* Fused multiply-add */ +#define X86_FEATURE_CX16 ( 4*32+13) /* CMPXCHG16B */ +#define X86_FEATURE_XTPR ( 4*32+14) /* Send Task Priority Messages */ +#define X86_FEATURE_PDCM ( 4*32+15) /* Performance Capabilities */ +#define X86_FEATURE_PCID ( 4*32+17) /* Process Context Identifiers */ +#define X86_FEATURE_DCA ( 4*32+18) /* Direct Cache Access */ +#define X86_FEATURE_XMM4_1 ( 4*32+19) /* "sse4_1" SSE-4.1 */ +#define X86_FEATURE_XMM4_2 ( 4*32+20) /* "sse4_2" SSE-4.2 */ +#define X86_FEATURE_X2APIC ( 4*32+21) /* x2APIC */ +#define X86_FEATURE_MOVBE ( 4*32+22) /* MOVBE instruction */ +#define X86_FEATURE_POPCNT ( 4*32+23) /* POPCNT instruction */ +#define X86_FEATURE_TSC_DEADLINE_TIMER ( 4*32+24) /* Tsc deadline timer */ +#define X86_FEATURE_AES ( 4*32+25) /* AES instructions */ +#define X86_FEATURE_XSAVE ( 4*32+26) /* XSAVE/XRSTOR/XSETBV/XGETBV */ +#define X86_FEATURE_OSXSAVE ( 4*32+27) /* "" XSAVE enabled in the OS */ +#define X86_FEATURE_AVX ( 4*32+28) /* Advanced Vector Extensions */ +#define X86_FEATURE_F16C ( 4*32+29) /* 16-bit fp conversions */ +#define X86_FEATURE_RDRAND ( 4*32+30) /* The RDRAND instruction */ +#define X86_FEATURE_HYPERVISOR ( 4*32+31) /* Running on a hypervisor */ + +/* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */ +#define X86_FEATURE_XSTORE ( 5*32+ 2) /* "rng" RNG present (xstore) */ +#define X86_FEATURE_XSTORE_EN ( 5*32+ 3) /* "rng_en" RNG enabled */ +#define X86_FEATURE_XCRYPT ( 5*32+ 6) /* "ace" on-CPU crypto (xcrypt) */ +#define X86_FEATURE_XCRYPT_EN ( 5*32+ 7) /* "ace_en" on-CPU crypto enabled */ +#define X86_FEATURE_ACE2 ( 5*32+ 8) /* Advanced Cryptography Engine v2 */ +#define X86_FEATURE_ACE2_EN ( 5*32+ 9) /* ACE v2 enabled */ +#define X86_FEATURE_PHE ( 5*32+10) /* PadLock Hash Engine */ +#define X86_FEATURE_PHE_EN ( 5*32+11) /* PHE enabled */ +#define X86_FEATURE_PMM ( 5*32+12) /* PadLock Montgomery Multiplier */ +#define X86_FEATURE_PMM_EN ( 5*32+13) /* PMM enabled */ + +/* More extended AMD flags: CPUID level 0x80000001, ecx, word 6 */ +#define X86_FEATURE_LAHF_LM ( 6*32+ 0) /* LAHF/SAHF in long mode */ +#define X86_FEATURE_CMP_LEGACY ( 6*32+ 1) /* If yes HyperThreading not valid */ +#define X86_FEATURE_SVM ( 6*32+ 2) /* Secure virtual machine */ +#define X86_FEATURE_EXTAPIC ( 6*32+ 3) /* Extended APIC space */ +#define X86_FEATURE_CR8_LEGACY ( 6*32+ 4) /* CR8 in 32-bit mode */ +#define X86_FEATURE_ABM ( 6*32+ 5) /* Advanced bit manipulation */ +#define X86_FEATURE_SSE4A ( 6*32+ 6) /* SSE-4A */ +#define X86_FEATURE_MISALIGNSSE ( 6*32+ 7) /* Misaligned SSE mode */ +#define X86_FEATURE_3DNOWPREFETCH ( 6*32+ 8) /* 3DNow prefetch instructions */ +#define X86_FEATURE_OSVW ( 6*32+ 9) /* OS Visible Workaround */ +#define X86_FEATURE_IBS ( 6*32+10) /* Instruction Based Sampling */ +#define X86_FEATURE_XOP ( 6*32+11) /* extended AVX instructions */ +#define X86_FEATURE_SKINIT ( 6*32+12) /* SKINIT/STGI instructions */ +#define X86_FEATURE_WDT ( 6*32+13) /* Watchdog timer */ +#define X86_FEATURE_LWP ( 6*32+15) /* Light Weight Profiling */ +#define X86_FEATURE_FMA4 ( 6*32+16) /* 4 operands MAC instructions */ +#define X86_FEATURE_TCE ( 6*32+17) /* translation cache extension */ +#define X86_FEATURE_NODEID_MSR ( 6*32+19) /* NodeId MSR */ +#define X86_FEATURE_TBM ( 6*32+21) /* trailing bit manipulations */ +#define X86_FEATURE_TOPOEXT ( 6*32+22) /* topology extensions CPUID leafs */ +#define X86_FEATURE_PERFCTR_CORE ( 6*32+23) /* core performance counter extensions */ +#define X86_FEATURE_PERFCTR_NB ( 6*32+24) /* NB performance counter extensions */ +#define X86_FEATURE_BPEXT (6*32+26) /* data breakpoint extension */ +#define X86_FEATURE_PTSC ( 6*32+27) /* performance time-stamp counter */ +#define X86_FEATURE_PERFCTR_L2 ( 6*32+28) /* L2 performance counter extensions */ +#define X86_FEATURE_MWAITX ( 6*32+29) /* MWAIT extension (MONITORX/MWAITX) */ + +/* + * Auxiliary flags: Linux defined - For features scattered in various + * CPUID levels like 0x6, 0xA etc, word 7. + * + * Reuse free bits when adding new feature flags! + */ + +#define X86_FEATURE_CPB ( 7*32+ 2) /* AMD Core Performance Boost */ +#define X86_FEATURE_EPB ( 7*32+ 3) /* IA32_ENERGY_PERF_BIAS support */ + +#define X86_FEATURE_HW_PSTATE ( 7*32+ 8) /* AMD HW-PState */ +#define X86_FEATURE_PROC_FEEDBACK ( 7*32+ 9) /* AMD ProcFeedbackInterface */ + +#define X86_FEATURE_INTEL_PT ( 7*32+15) /* Intel Processor Trace */ + +/* Virtualization flags: Linux defined, word 8 */ +#define X86_FEATURE_TPR_SHADOW ( 8*32+ 0) /* Intel TPR Shadow */ +#define X86_FEATURE_VNMI ( 8*32+ 1) /* Intel Virtual NMI */ +#define X86_FEATURE_FLEXPRIORITY ( 8*32+ 2) /* Intel FlexPriority */ +#define X86_FEATURE_EPT ( 8*32+ 3) /* Intel Extended Page Table */ +#define X86_FEATURE_VPID ( 8*32+ 4) /* Intel Virtual Processor ID */ + +#define X86_FEATURE_VMMCALL ( 8*32+15) /* Prefer vmmcall to vmcall */ +#define X86_FEATURE_XENPV ( 8*32+16) /* "" Xen paravirtual guest */ + + +/* Intel-defined CPU features, CPUID level 0x00000007:0 (ebx), word 9 */ +#define X86_FEATURE_FSGSBASE ( 9*32+ 0) /* {RD/WR}{FS/GS}BASE instructions*/ +#define X86_FEATURE_TSC_ADJUST ( 9*32+ 1) /* TSC adjustment MSR 0x3b */ +#define X86_FEATURE_BMI1 ( 9*32+ 3) /* 1st group bit manipulation extensions */ +#define X86_FEATURE_HLE ( 9*32+ 4) /* Hardware Lock Elision */ +#define X86_FEATURE_AVX2 ( 9*32+ 5) /* AVX2 instructions */ +#define X86_FEATURE_SMEP ( 9*32+ 7) /* Supervisor Mode Execution Protection */ +#define X86_FEATURE_BMI2 ( 9*32+ 8) /* 2nd group bit manipulation extensions */ +#define X86_FEATURE_ERMS ( 9*32+ 9) /* Enhanced REP MOVSB/STOSB */ +#define X86_FEATURE_INVPCID ( 9*32+10) /* Invalidate Processor Context ID */ +#define X86_FEATURE_RTM ( 9*32+11) /* Restricted Transactional Memory */ +#define X86_FEATURE_CQM ( 9*32+12) /* Cache QoS Monitoring */ +#define X86_FEATURE_MPX ( 9*32+14) /* Memory Protection Extension */ +#define X86_FEATURE_AVX512F ( 9*32+16) /* AVX-512 Foundation */ +#define X86_FEATURE_AVX512DQ ( 9*32+17) /* AVX-512 DQ (Double/Quad granular) Instructions */ +#define X86_FEATURE_RDSEED ( 9*32+18) /* The RDSEED instruction */ +#define X86_FEATURE_ADX ( 9*32+19) /* The ADCX and ADOX instructions */ +#define X86_FEATURE_SMAP ( 9*32+20) /* Supervisor Mode Access Prevention */ +#define X86_FEATURE_PCOMMIT ( 9*32+22) /* PCOMMIT instruction */ +#define X86_FEATURE_CLFLUSHOPT ( 9*32+23) /* CLFLUSHOPT instruction */ +#define X86_FEATURE_CLWB ( 9*32+24) /* CLWB instruction */ +#define X86_FEATURE_AVX512PF ( 9*32+26) /* AVX-512 Prefetch */ +#define X86_FEATURE_AVX512ER ( 9*32+27) /* AVX-512 Exponential and Reciprocal */ +#define X86_FEATURE_AVX512CD ( 9*32+28) /* AVX-512 Conflict Detection */ +#define X86_FEATURE_SHA_NI ( 9*32+29) /* SHA1/SHA256 Instruction Extensions */ +#define X86_FEATURE_AVX512BW ( 9*32+30) /* AVX-512 BW (Byte/Word granular) Instructions */ +#define X86_FEATURE_AVX512VL ( 9*32+31) /* AVX-512 VL (128/256 Vector Length) Extensions */ + +/* Extended state features, CPUID level 0x0000000d:1 (eax), word 10 */ +#define X86_FEATURE_XSAVEOPT (10*32+ 0) /* XSAVEOPT */ +#define X86_FEATURE_XSAVEC (10*32+ 1) /* XSAVEC */ +#define X86_FEATURE_XGETBV1 (10*32+ 2) /* XGETBV with ECX = 1 */ +#define X86_FEATURE_XSAVES (10*32+ 3) /* XSAVES/XRSTORS */ + +/* Intel-defined CPU QoS Sub-leaf, CPUID level 0x0000000F:0 (edx), word 11 */ +#define X86_FEATURE_CQM_LLC (11*32+ 1) /* LLC QoS if 1 */ + +/* Intel-defined CPU QoS Sub-leaf, CPUID level 0x0000000F:1 (edx), word 12 */ +#define X86_FEATURE_CQM_OCCUP_LLC (12*32+ 0) /* LLC occupancy monitoring if 1 */ +#define X86_FEATURE_CQM_MBM_TOTAL (12*32+ 1) /* LLC Total MBM monitoring */ +#define X86_FEATURE_CQM_MBM_LOCAL (12*32+ 2) /* LLC Local MBM monitoring */ + +/* AMD-defined CPU features, CPUID level 0x80000008 (ebx), word 13 */ +#define X86_FEATURE_CLZERO (13*32+0) /* CLZERO instruction */ +#define X86_FEATURE_IRPERF (13*32+1) /* Instructions Retired Count */ + +/* Thermal and Power Management Leaf, CPUID level 0x00000006 (eax), word 14 */ +#define X86_FEATURE_DTHERM (14*32+ 0) /* Digital Thermal Sensor */ +#define X86_FEATURE_IDA (14*32+ 1) /* Intel Dynamic Acceleration */ +#define X86_FEATURE_ARAT (14*32+ 2) /* Always Running APIC Timer */ +#define X86_FEATURE_PLN (14*32+ 4) /* Intel Power Limit Notification */ +#define X86_FEATURE_PTS (14*32+ 6) /* Intel Package Thermal Status */ +#define X86_FEATURE_HWP (14*32+ 7) /* Intel Hardware P-states */ +#define X86_FEATURE_HWP_NOTIFY (14*32+ 8) /* HWP Notification */ +#define X86_FEATURE_HWP_ACT_WINDOW (14*32+ 9) /* HWP Activity Window */ +#define X86_FEATURE_HWP_EPP (14*32+10) /* HWP Energy Perf. Preference */ +#define X86_FEATURE_HWP_PKG_REQ (14*32+11) /* HWP Package Level Request */ + +/* AMD SVM Feature Identification, CPUID level 0x8000000a (edx), word 15 */ +#define X86_FEATURE_NPT (15*32+ 0) /* Nested Page Table support */ +#define X86_FEATURE_LBRV (15*32+ 1) /* LBR Virtualization support */ +#define X86_FEATURE_SVML (15*32+ 2) /* "svm_lock" SVM locking MSR */ +#define X86_FEATURE_NRIPS (15*32+ 3) /* "nrip_save" SVM next_rip save */ +#define X86_FEATURE_TSCRATEMSR (15*32+ 4) /* "tsc_scale" TSC scaling support */ +#define X86_FEATURE_VMCBCLEAN (15*32+ 5) /* "vmcb_clean" VMCB clean bits support */ +#define X86_FEATURE_FLUSHBYASID (15*32+ 6) /* flush-by-ASID support */ +#define X86_FEATURE_DECODEASSISTS (15*32+ 7) /* Decode Assists support */ +#define X86_FEATURE_PAUSEFILTER (15*32+10) /* filtered pause intercept */ +#define X86_FEATURE_PFTHRESHOLD (15*32+12) /* pause filter threshold */ +#define X86_FEATURE_AVIC (15*32+13) /* Virtual Interrupt Controller */ + +/* Intel-defined CPU features, CPUID level 0x00000007:0 (ecx), word 16 */ +#define X86_FEATURE_PKU (16*32+ 3) /* Protection Keys for Userspace */ +#define X86_FEATURE_OSPKE (16*32+ 4) /* OS Protection Keys Enable */ + +/* AMD-defined CPU features, CPUID level 0x80000007 (ebx), word 17 */ +#define X86_FEATURE_OVERFLOW_RECOV (17*32+0) /* MCA overflow recovery support */ +#define X86_FEATURE_SUCCOR (17*32+1) /* Uncorrectable error containment and recovery */ +#define X86_FEATURE_SMCA (17*32+3) /* Scalable MCA */ + +/* + * BUG word(s) + */ +#define X86_BUG(x) (NCAPINTS*32 + (x)) + +#define X86_BUG_F00F X86_BUG(0) /* Intel F00F */ +#define X86_BUG_FDIV X86_BUG(1) /* FPU FDIV */ +#define X86_BUG_COMA X86_BUG(2) /* Cyrix 6x86 coma */ +#define X86_BUG_AMD_TLB_MMATCH X86_BUG(3) /* "tlb_mmatch" AMD Erratum 383 */ +#define X86_BUG_AMD_APIC_C1E X86_BUG(4) /* "apic_c1e" AMD Erratum 400 */ +#define X86_BUG_11AP X86_BUG(5) /* Bad local APIC aka 11AP */ +#define X86_BUG_FXSAVE_LEAK X86_BUG(6) /* FXSAVE leaks FOP/FIP/FOP */ +#define X86_BUG_CLFLUSH_MONITOR X86_BUG(7) /* AAI65, CLFLUSH required before MONITOR */ +#define X86_BUG_SYSRET_SS_ATTRS X86_BUG(8) /* SYSRET doesn't fix up SS attrs */ +#define X86_BUG_NULL_SEG X86_BUG(9) /* Nulling a selector preserves the base */ +#define X86_BUG_SWAPGS_FENCE X86_BUG(10) /* SWAPGS without input dep on GS */ + + +#ifdef CONFIG_X86_32 +/* + * 64-bit kernels don't use X86_BUG_ESPFIX. Make the define conditional + * to avoid confusion. + */ +#define X86_BUG_ESPFIX X86_BUG(9) /* "" IRET to 16-bit SS corrupts ESP/RSP high bits */ +#endif + +#endif /* _ASM_X86_CPUFEATURES_H */ diff --git a/tools/arch/x86/include/asm/disabled-features.h b/tools/arch/x86/include/asm/disabled-features.h new file mode 100644 index 000000000000..911e9358ceb1 --- /dev/null +++ b/tools/arch/x86/include/asm/disabled-features.h @@ -0,0 +1,60 @@ +#ifndef _ASM_X86_DISABLED_FEATURES_H +#define _ASM_X86_DISABLED_FEATURES_H + +/* These features, although they might be available in a CPU + * will not be used because the compile options to support + * them are not present. + * + * This code allows them to be checked and disabled at + * compile time without an explicit #ifdef. Use + * cpu_feature_enabled(). + */ + +#ifdef CONFIG_X86_INTEL_MPX +# define DISABLE_MPX 0 +#else +# define DISABLE_MPX (1<<(X86_FEATURE_MPX & 31)) +#endif + +#ifdef CONFIG_X86_64 +# define DISABLE_VME (1<<(X86_FEATURE_VME & 31)) +# define DISABLE_K6_MTRR (1<<(X86_FEATURE_K6_MTRR & 31)) +# define DISABLE_CYRIX_ARR (1<<(X86_FEATURE_CYRIX_ARR & 31)) +# define DISABLE_CENTAUR_MCR (1<<(X86_FEATURE_CENTAUR_MCR & 31)) +#else +# define DISABLE_VME 0 +# define DISABLE_K6_MTRR 0 +# define DISABLE_CYRIX_ARR 0 +# define DISABLE_CENTAUR_MCR 0 +#endif /* CONFIG_X86_64 */ + +#ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS +# define DISABLE_PKU 0 +# define DISABLE_OSPKE 0 +#else +# define DISABLE_PKU (1<<(X86_FEATURE_PKU & 31)) +# define DISABLE_OSPKE (1<<(X86_FEATURE_OSPKE & 31)) +#endif /* CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS */ + +/* + * Make sure to add features to the correct mask + */ +#define DISABLED_MASK0 (DISABLE_VME) +#define DISABLED_MASK1 0 +#define DISABLED_MASK2 0 +#define DISABLED_MASK3 (DISABLE_CYRIX_ARR|DISABLE_CENTAUR_MCR|DISABLE_K6_MTRR) +#define DISABLED_MASK4 0 +#define DISABLED_MASK5 0 +#define DISABLED_MASK6 0 +#define DISABLED_MASK7 0 +#define DISABLED_MASK8 0 +#define DISABLED_MASK9 (DISABLE_MPX) +#define DISABLED_MASK10 0 +#define DISABLED_MASK11 0 +#define DISABLED_MASK12 0 +#define DISABLED_MASK13 0 +#define DISABLED_MASK14 0 +#define DISABLED_MASK15 0 +#define DISABLED_MASK16 (DISABLE_PKU|DISABLE_OSPKE) + +#endif /* _ASM_X86_DISABLED_FEATURES_H */ diff --git a/tools/arch/x86/include/asm/required-features.h b/tools/arch/x86/include/asm/required-features.h new file mode 100644 index 000000000000..4916144e3c42 --- /dev/null +++ b/tools/arch/x86/include/asm/required-features.h @@ -0,0 +1,103 @@ +#ifndef _ASM_X86_REQUIRED_FEATURES_H +#define _ASM_X86_REQUIRED_FEATURES_H + +/* Define minimum CPUID feature set for kernel These bits are checked + really early to actually display a visible error message before the + kernel dies. Make sure to assign features to the proper mask! + + Some requirements that are not in CPUID yet are also in the + CONFIG_X86_MINIMUM_CPU_FAMILY which is checked too. + + The real information is in arch/x86/Kconfig.cpu, this just converts + the CONFIGs into a bitmask */ + +#ifndef CONFIG_MATH_EMULATION +# define NEED_FPU (1<<(X86_FEATURE_FPU & 31)) +#else +# define NEED_FPU 0 +#endif + +#if defined(CONFIG_X86_PAE) || defined(CONFIG_X86_64) +# define NEED_PAE (1<<(X86_FEATURE_PAE & 31)) +#else +# define NEED_PAE 0 +#endif + +#ifdef CONFIG_X86_CMPXCHG64 +# define NEED_CX8 (1<<(X86_FEATURE_CX8 & 31)) +#else +# define NEED_CX8 0 +#endif + +#if defined(CONFIG_X86_CMOV) || defined(CONFIG_X86_64) +# define NEED_CMOV (1<<(X86_FEATURE_CMOV & 31)) +#else +# define NEED_CMOV 0 +#endif + +#ifdef CONFIG_X86_USE_3DNOW +# define NEED_3DNOW (1<<(X86_FEATURE_3DNOW & 31)) +#else +# define NEED_3DNOW 0 +#endif + +#if defined(CONFIG_X86_P6_NOP) || defined(CONFIG_X86_64) +# define NEED_NOPL (1<<(X86_FEATURE_NOPL & 31)) +#else +# define NEED_NOPL 0 +#endif + +#ifdef CONFIG_MATOM +# define NEED_MOVBE (1<<(X86_FEATURE_MOVBE & 31)) +#else +# define NEED_MOVBE 0 +#endif + +#ifdef CONFIG_X86_64 +#ifdef CONFIG_PARAVIRT +/* Paravirtualized systems may not have PSE or PGE available */ +#define NEED_PSE 0 +#define NEED_PGE 0 +#else +#define NEED_PSE (1<<(X86_FEATURE_PSE) & 31) +#define NEED_PGE (1<<(X86_FEATURE_PGE) & 31) +#endif +#define NEED_MSR (1<<(X86_FEATURE_MSR & 31)) +#define NEED_FXSR (1<<(X86_FEATURE_FXSR & 31)) +#define NEED_XMM (1<<(X86_FEATURE_XMM & 31)) +#define NEED_XMM2 (1<<(X86_FEATURE_XMM2 & 31)) +#define NEED_LM (1<<(X86_FEATURE_LM & 31)) +#else +#define NEED_PSE 0 +#define NEED_MSR 0 +#define NEED_PGE 0 +#define NEED_FXSR 0 +#define NEED_XMM 0 +#define NEED_XMM2 0 +#define NEED_LM 0 +#endif + +#define REQUIRED_MASK0 (NEED_FPU|NEED_PSE|NEED_MSR|NEED_PAE|\ + NEED_CX8|NEED_PGE|NEED_FXSR|NEED_CMOV|\ + NEED_XMM|NEED_XMM2) +#define SSE_MASK (NEED_XMM|NEED_XMM2) + +#define REQUIRED_MASK1 (NEED_LM|NEED_3DNOW) + +#define REQUIRED_MASK2 0 +#define REQUIRED_MASK3 (NEED_NOPL) +#define REQUIRED_MASK4 (NEED_MOVBE) +#define REQUIRED_MASK5 0 +#define REQUIRED_MASK6 0 +#define REQUIRED_MASK7 0 +#define REQUIRED_MASK8 0 +#define REQUIRED_MASK9 0 +#define REQUIRED_MASK10 0 +#define REQUIRED_MASK11 0 +#define REQUIRED_MASK12 0 +#define REQUIRED_MASK13 0 +#define REQUIRED_MASK14 0 +#define REQUIRED_MASK15 0 +#define REQUIRED_MASK16 0 + +#endif /* _ASM_X86_REQUIRED_FEATURES_H */ diff --git a/tools/arch/x86/include/asm/unistd_32.h b/tools/arch/x86/include/asm/unistd_32.h new file mode 100644 index 000000000000..88b3f8c8920c --- /dev/null +++ b/tools/arch/x86/include/asm/unistd_32.h @@ -0,0 +1,12 @@ +#ifndef __NR_perf_event_open +# define __NR_perf_event_open 336 +#endif +#ifndef __NR_futex +# define __NR_futex 240 +#endif +#ifndef __NR_gettid +# define __NR_gettid 224 +#endif +#ifndef __NR_getcpu +# define __NR_getcpu 318 +#endif diff --git a/tools/arch/x86/include/asm/unistd_64.h b/tools/arch/x86/include/asm/unistd_64.h new file mode 100644 index 000000000000..fbdb70ee8837 --- /dev/null +++ b/tools/arch/x86/include/asm/unistd_64.h @@ -0,0 +1,12 @@ +#ifndef __NR_perf_event_open +# define __NR_perf_event_open 298 +#endif +#ifndef __NR_futex +# define __NR_futex 202 +#endif +#ifndef __NR_gettid +# define __NR_gettid 186 +#endif +#ifndef __NR_getcpu +# define __NR_getcpu 309 +#endif diff --git a/tools/arch/x86/include/uapi/asm/bitsperlong.h b/tools/arch/x86/include/uapi/asm/bitsperlong.h new file mode 100644 index 000000000000..6e23c543cd80 --- /dev/null +++ b/tools/arch/x86/include/uapi/asm/bitsperlong.h @@ -0,0 +1,12 @@ +#ifndef __ASM_X86_BITSPERLONG_H +#define __ASM_X86_BITSPERLONG_H + +#if defined(__x86_64__) && !defined(__ILP32__) +# define __BITS_PER_LONG 64 +#else +# define __BITS_PER_LONG 32 +#endif + +#include <asm-generic/bitsperlong.h> + +#endif /* __ASM_X86_BITSPERLONG_H */ diff --git a/tools/arch/x86/include/uapi/asm/kvm.h b/tools/arch/x86/include/uapi/asm/kvm.h new file mode 100644 index 000000000000..739c0c594022 --- /dev/null +++ b/tools/arch/x86/include/uapi/asm/kvm.h @@ -0,0 +1,360 @@ +#ifndef _ASM_X86_KVM_H +#define _ASM_X86_KVM_H + +/* + * KVM x86 specific structures and definitions + * + */ + +#include <linux/types.h> +#include <linux/ioctl.h> + +#define DE_VECTOR 0 +#define DB_VECTOR 1 +#define BP_VECTOR 3 +#define OF_VECTOR 4 +#define BR_VECTOR 5 +#define UD_VECTOR 6 +#define NM_VECTOR 7 +#define DF_VECTOR 8 +#define TS_VECTOR 10 +#define NP_VECTOR 11 +#define SS_VECTOR 12 +#define GP_VECTOR 13 +#define PF_VECTOR 14 +#define MF_VECTOR 16 +#define AC_VECTOR 17 +#define MC_VECTOR 18 +#define XM_VECTOR 19 +#define VE_VECTOR 20 + +/* Select x86 specific features in <linux/kvm.h> */ +#define __KVM_HAVE_PIT +#define __KVM_HAVE_IOAPIC +#define __KVM_HAVE_IRQ_LINE +#define __KVM_HAVE_MSI +#define __KVM_HAVE_USER_NMI +#define __KVM_HAVE_GUEST_DEBUG +#define __KVM_HAVE_MSIX +#define __KVM_HAVE_MCE +#define __KVM_HAVE_PIT_STATE2 +#define __KVM_HAVE_XEN_HVM +#define __KVM_HAVE_VCPU_EVENTS +#define __KVM_HAVE_DEBUGREGS +#define __KVM_HAVE_XSAVE +#define __KVM_HAVE_XCRS +#define __KVM_HAVE_READONLY_MEM + +/* Architectural interrupt line count. */ +#define KVM_NR_INTERRUPTS 256 + +struct kvm_memory_alias { + __u32 slot; /* this has a different namespace than memory slots */ + __u32 flags; + __u64 guest_phys_addr; + __u64 memory_size; + __u64 target_phys_addr; +}; + +/* for KVM_GET_IRQCHIP and KVM_SET_IRQCHIP */ +struct kvm_pic_state { + __u8 last_irr; /* edge detection */ + __u8 irr; /* interrupt request register */ + __u8 imr; /* interrupt mask register */ + __u8 isr; /* interrupt service register */ + __u8 priority_add; /* highest irq priority */ + __u8 irq_base; + __u8 read_reg_select; + __u8 poll; + __u8 special_mask; + __u8 init_state; + __u8 auto_eoi; + __u8 rotate_on_auto_eoi; + __u8 special_fully_nested_mode; + __u8 init4; /* true if 4 byte init */ + __u8 elcr; /* PIIX edge/trigger selection */ + __u8 elcr_mask; +}; + +#define KVM_IOAPIC_NUM_PINS 24 +struct kvm_ioapic_state { + __u64 base_address; + __u32 ioregsel; + __u32 id; + __u32 irr; + __u32 pad; + union { + __u64 bits; + struct { + __u8 vector; + __u8 delivery_mode:3; + __u8 dest_mode:1; + __u8 delivery_status:1; + __u8 polarity:1; + __u8 remote_irr:1; + __u8 trig_mode:1; + __u8 mask:1; + __u8 reserve:7; + __u8 reserved[4]; + __u8 dest_id; + } fields; + } redirtbl[KVM_IOAPIC_NUM_PINS]; +}; + +#define KVM_IRQCHIP_PIC_MASTER 0 +#define KVM_IRQCHIP_PIC_SLAVE 1 +#define KVM_IRQCHIP_IOAPIC 2 +#define KVM_NR_IRQCHIPS 3 + +#define KVM_RUN_X86_SMM (1 << 0) + +/* for KVM_GET_REGS and KVM_SET_REGS */ +struct kvm_regs { + /* out (KVM_GET_REGS) / in (KVM_SET_REGS) */ + __u64 rax, rbx, rcx, rdx; + __u64 rsi, rdi, rsp, rbp; + __u64 r8, r9, r10, r11; + __u64 r12, r13, r14, r15; + __u64 rip, rflags; +}; + +/* for KVM_GET_LAPIC and KVM_SET_LAPIC */ +#define KVM_APIC_REG_SIZE 0x400 +struct kvm_lapic_state { + char regs[KVM_APIC_REG_SIZE]; +}; + +struct kvm_segment { + __u64 base; + __u32 limit; + __u16 selector; + __u8 type; + __u8 present, dpl, db, s, l, g, avl; + __u8 unusable; + __u8 padding; +}; + +struct kvm_dtable { + __u64 base; + __u16 limit; + __u16 padding[3]; +}; + + +/* for KVM_GET_SREGS and KVM_SET_SREGS */ +struct kvm_sregs { + /* out (KVM_GET_SREGS) / in (KVM_SET_SREGS) */ + struct kvm_segment cs, ds, es, fs, gs, ss; + struct kvm_segment tr, ldt; + struct kvm_dtable gdt, idt; + __u64 cr0, cr2, cr3, cr4, cr8; + __u64 efer; + __u64 apic_base; + __u64 interrupt_bitmap[(KVM_NR_INTERRUPTS + 63) / 64]; +}; + +/* for KVM_GET_FPU and KVM_SET_FPU */ +struct kvm_fpu { + __u8 fpr[8][16]; + __u16 fcw; + __u16 fsw; + __u8 ftwx; /* in fxsave format */ + __u8 pad1; + __u16 last_opcode; + __u64 last_ip; + __u64 last_dp; + __u8 xmm[16][16]; + __u32 mxcsr; + __u32 pad2; +}; + +struct kvm_msr_entry { + __u32 index; + __u32 reserved; + __u64 data; +}; + +/* for KVM_GET_MSRS and KVM_SET_MSRS */ +struct kvm_msrs { + __u32 nmsrs; /* number of msrs in entries */ + __u32 pad; + + struct kvm_msr_entry entries[0]; +}; + +/* for KVM_GET_MSR_INDEX_LIST */ +struct kvm_msr_list { + __u32 nmsrs; /* number of msrs in entries */ + __u32 indices[0]; +}; + + +struct kvm_cpuid_entry { + __u32 function; + __u32 eax; + __u32 ebx; + __u32 ecx; + __u32 edx; + __u32 padding; +}; + +/* for KVM_SET_CPUID */ +struct kvm_cpuid { + __u32 nent; + __u32 padding; + struct kvm_cpuid_entry entries[0]; +}; + +struct kvm_cpuid_entry2 { + __u32 function; + __u32 index; + __u32 flags; + __u32 eax; + __u32 ebx; + __u32 ecx; + __u32 edx; + __u32 padding[3]; +}; + +#define KVM_CPUID_FLAG_SIGNIFCANT_INDEX (1 << 0) +#define KVM_CPUID_FLAG_STATEFUL_FUNC (1 << 1) +#define KVM_CPUID_FLAG_STATE_READ_NEXT (1 << 2) + +/* for KVM_SET_CPUID2 */ +struct kvm_cpuid2 { + __u32 nent; + __u32 padding; + struct kvm_cpuid_entry2 entries[0]; +}; + +/* for KVM_GET_PIT and KVM_SET_PIT */ +struct kvm_pit_channel_state { + __u32 count; /* can be 65536 */ + __u16 latched_count; + __u8 count_latched; + __u8 status_latched; + __u8 status; + __u8 read_state; + __u8 write_state; + __u8 write_latch; + __u8 rw_mode; + __u8 mode; + __u8 bcd; + __u8 gate; + __s64 count_load_time; +}; + +struct kvm_debug_exit_arch { + __u32 exception; + __u32 pad; + __u64 pc; + __u64 dr6; + __u64 dr7; +}; + +#define KVM_GUESTDBG_USE_SW_BP 0x00010000 +#define KVM_GUESTDBG_USE_HW_BP 0x00020000 +#define KVM_GUESTDBG_INJECT_DB 0x00040000 +#define KVM_GUESTDBG_INJECT_BP 0x00080000 + +/* for KVM_SET_GUEST_DEBUG */ +struct kvm_guest_debug_arch { + __u64 debugreg[8]; +}; + +struct kvm_pit_state { + struct kvm_pit_channel_state channels[3]; +}; + +#define KVM_PIT_FLAGS_HPET_LEGACY 0x00000001 + +struct kvm_pit_state2 { + struct kvm_pit_channel_state channels[3]; + __u32 flags; + __u32 reserved[9]; +}; + +struct kvm_reinject_control { + __u8 pit_reinject; + __u8 reserved[31]; +}; + +/* When set in flags, include corresponding fields on KVM_SET_VCPU_EVENTS */ +#define KVM_VCPUEVENT_VALID_NMI_PENDING 0x00000001 +#define KVM_VCPUEVENT_VALID_SIPI_VECTOR 0x00000002 +#define KVM_VCPUEVENT_VALID_SHADOW 0x00000004 +#define KVM_VCPUEVENT_VALID_SMM 0x00000008 + +/* Interrupt shadow states */ +#define KVM_X86_SHADOW_INT_MOV_SS 0x01 +#define KVM_X86_SHADOW_INT_STI 0x02 + +/* for KVM_GET/SET_VCPU_EVENTS */ +struct kvm_vcpu_events { + struct { + __u8 injected; + __u8 nr; + __u8 has_error_code; + __u8 pad; + __u32 error_code; + } exception; + struct { + __u8 injected; + __u8 nr; + __u8 soft; + __u8 shadow; + } interrupt; + struct { + __u8 injected; + __u8 pending; + __u8 masked; + __u8 pad; + } nmi; + __u32 sipi_vector; + __u32 flags; + struct { + __u8 smm; + __u8 pending; + __u8 smm_inside_nmi; + __u8 latched_init; + } smi; + __u32 reserved[9]; +}; + +/* for KVM_GET/SET_DEBUGREGS */ +struct kvm_debugregs { + __u64 db[4]; + __u64 dr6; + __u64 dr7; + __u64 flags; + __u64 reserved[9]; +}; + +/* for KVM_CAP_XSAVE */ +struct kvm_xsave { + __u32 region[1024]; +}; + +#define KVM_MAX_XCRS 16 + +struct kvm_xcr { + __u32 xcr; + __u32 reserved; + __u64 value; +}; + +struct kvm_xcrs { + __u32 nr_xcrs; + __u32 flags; + struct kvm_xcr xcrs[KVM_MAX_XCRS]; + __u64 padding[16]; +}; + +/* definition of registers in kvm_run */ +struct kvm_sync_regs { +}; + +#define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0) +#define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1) + +#endif /* _ASM_X86_KVM_H */ diff --git a/tools/arch/x86/include/uapi/asm/kvm_perf.h b/tools/arch/x86/include/uapi/asm/kvm_perf.h new file mode 100644 index 000000000000..3bb964f88aa1 --- /dev/null +++ b/tools/arch/x86/include/uapi/asm/kvm_perf.h @@ -0,0 +1,16 @@ +#ifndef _ASM_X86_KVM_PERF_H +#define _ASM_X86_KVM_PERF_H + +#include <asm/svm.h> +#include <asm/vmx.h> +#include <asm/kvm.h> + +#define DECODE_STR_LEN 20 + +#define VCPU_ID "vcpu_id" + +#define KVM_ENTRY_TRACE "kvm:kvm_entry" +#define KVM_EXIT_TRACE "kvm:kvm_exit" +#define KVM_EXIT_REASON "exit_reason" + +#endif /* _ASM_X86_KVM_PERF_H */ diff --git a/tools/arch/x86/include/uapi/asm/perf_regs.h b/tools/arch/x86/include/uapi/asm/perf_regs.h new file mode 100644 index 000000000000..3f2207bfd17b --- /dev/null +++ b/tools/arch/x86/include/uapi/asm/perf_regs.h @@ -0,0 +1,33 @@ +#ifndef _ASM_X86_PERF_REGS_H +#define _ASM_X86_PERF_REGS_H + +enum perf_event_x86_regs { + PERF_REG_X86_AX, + PERF_REG_X86_BX, + PERF_REG_X86_CX, + PERF_REG_X86_DX, + PERF_REG_X86_SI, + PERF_REG_X86_DI, + PERF_REG_X86_BP, + PERF_REG_X86_SP, + PERF_REG_X86_IP, + PERF_REG_X86_FLAGS, + PERF_REG_X86_CS, + PERF_REG_X86_SS, + PERF_REG_X86_DS, + PERF_REG_X86_ES, + PERF_REG_X86_FS, + PERF_REG_X86_GS, + PERF_REG_X86_R8, + PERF_REG_X86_R9, + PERF_REG_X86_R10, + PERF_REG_X86_R11, + PERF_REG_X86_R12, + PERF_REG_X86_R13, + PERF_REG_X86_R14, + PERF_REG_X86_R15, + + PERF_REG_X86_32_MAX = PERF_REG_X86_GS + 1, + PERF_REG_X86_64_MAX = PERF_REG_X86_R15 + 1, +}; +#endif /* _ASM_X86_PERF_REGS_H */ diff --git a/tools/arch/x86/include/uapi/asm/svm.h b/tools/arch/x86/include/uapi/asm/svm.h new file mode 100644 index 000000000000..3725e145aa58 --- /dev/null +++ b/tools/arch/x86/include/uapi/asm/svm.h @@ -0,0 +1,178 @@ +#ifndef _UAPI__SVM_H +#define _UAPI__SVM_H + +#define SVM_EXIT_READ_CR0 0x000 +#define SVM_EXIT_READ_CR2 0x002 +#define SVM_EXIT_READ_CR3 0x003 +#define SVM_EXIT_READ_CR4 0x004 +#define SVM_EXIT_READ_CR8 0x008 +#define SVM_EXIT_WRITE_CR0 0x010 +#define SVM_EXIT_WRITE_CR2 0x012 +#define SVM_EXIT_WRITE_CR3 0x013 +#define SVM_EXIT_WRITE_CR4 0x014 +#define SVM_EXIT_WRITE_CR8 0x018 +#define SVM_EXIT_READ_DR0 0x020 +#define SVM_EXIT_READ_DR1 0x021 +#define SVM_EXIT_READ_DR2 0x022 +#define SVM_EXIT_READ_DR3 0x023 +#define SVM_EXIT_READ_DR4 0x024 +#define SVM_EXIT_READ_DR5 0x025 +#define SVM_EXIT_READ_DR6 0x026 +#define SVM_EXIT_READ_DR7 0x027 +#define SVM_EXIT_WRITE_DR0 0x030 +#define SVM_EXIT_WRITE_DR1 0x031 +#define SVM_EXIT_WRITE_DR2 0x032 +#define SVM_EXIT_WRITE_DR3 0x033 +#define SVM_EXIT_WRITE_DR4 0x034 +#define SVM_EXIT_WRITE_DR5 0x035 +#define SVM_EXIT_WRITE_DR6 0x036 +#define SVM_EXIT_WRITE_DR7 0x037 +#define SVM_EXIT_EXCP_BASE 0x040 +#define SVM_EXIT_INTR 0x060 +#define SVM_EXIT_NMI 0x061 +#define SVM_EXIT_SMI 0x062 +#define SVM_EXIT_INIT 0x063 +#define SVM_EXIT_VINTR 0x064 +#define SVM_EXIT_CR0_SEL_WRITE 0x065 +#define SVM_EXIT_IDTR_READ 0x066 +#define SVM_EXIT_GDTR_READ 0x067 +#define SVM_EXIT_LDTR_READ 0x068 +#define SVM_EXIT_TR_READ 0x069 +#define SVM_EXIT_IDTR_WRITE 0x06a +#define SVM_EXIT_GDTR_WRITE 0x06b +#define SVM_EXIT_LDTR_WRITE 0x06c +#define SVM_EXIT_TR_WRITE 0x06d +#define SVM_EXIT_RDTSC 0x06e +#define SVM_EXIT_RDPMC 0x06f +#define SVM_EXIT_PUSHF 0x070 +#define SVM_EXIT_POPF 0x071 +#define SVM_EXIT_CPUID 0x072 +#define SVM_EXIT_RSM 0x073 +#define SVM_EXIT_IRET 0x074 +#define SVM_EXIT_SWINT 0x075 +#define SVM_EXIT_INVD 0x076 +#define SVM_EXIT_PAUSE 0x077 +#define SVM_EXIT_HLT 0x078 +#define SVM_EXIT_INVLPG 0x079 +#define SVM_EXIT_INVLPGA 0x07a +#define SVM_EXIT_IOIO 0x07b +#define SVM_EXIT_MSR 0x07c +#define SVM_EXIT_TASK_SWITCH 0x07d +#define SVM_EXIT_FERR_FREEZE 0x07e +#define SVM_EXIT_SHUTDOWN 0x07f +#define SVM_EXIT_VMRUN 0x080 +#define SVM_EXIT_VMMCALL 0x081 +#define SVM_EXIT_VMLOAD 0x082 +#define SVM_EXIT_VMSAVE 0x083 +#define SVM_EXIT_STGI 0x084 +#define SVM_EXIT_CLGI 0x085 +#define SVM_EXIT_SKINIT 0x086 +#define SVM_EXIT_RDTSCP 0x087 +#define SVM_EXIT_ICEBP 0x088 +#define SVM_EXIT_WBINVD 0x089 +#define SVM_EXIT_MONITOR 0x08a +#define SVM_EXIT_MWAIT 0x08b +#define SVM_EXIT_MWAIT_COND 0x08c +#define SVM_EXIT_XSETBV 0x08d +#define SVM_EXIT_NPF 0x400 +#define SVM_EXIT_AVIC_INCOMPLETE_IPI 0x401 +#define SVM_EXIT_AVIC_UNACCELERATED_ACCESS 0x402 + +#define SVM_EXIT_ERR -1 + +#define SVM_EXIT_REASONS \ + { SVM_EXIT_READ_CR0, "read_cr0" }, \ + { SVM_EXIT_READ_CR2, "read_cr2" }, \ + { SVM_EXIT_READ_CR3, "read_cr3" }, \ + { SVM_EXIT_READ_CR4, "read_cr4" }, \ + { SVM_EXIT_READ_CR8, "read_cr8" }, \ + { SVM_EXIT_WRITE_CR0, "write_cr0" }, \ + { SVM_EXIT_WRITE_CR2, "write_cr2" }, \ + { SVM_EXIT_WRITE_CR3, "write_cr3" }, \ + { SVM_EXIT_WRITE_CR4, "write_cr4" }, \ + { SVM_EXIT_WRITE_CR8, "write_cr8" }, \ + { SVM_EXIT_READ_DR0, "read_dr0" }, \ + { SVM_EXIT_READ_DR1, "read_dr1" }, \ + { SVM_EXIT_READ_DR2, "read_dr2" }, \ + { SVM_EXIT_READ_DR3, "read_dr3" }, \ + { SVM_EXIT_READ_DR4, "read_dr4" }, \ + { SVM_EXIT_READ_DR5, "read_dr5" }, \ + { SVM_EXIT_READ_DR6, "read_dr6" }, \ + { SVM_EXIT_READ_DR7, "read_dr7" }, \ + { SVM_EXIT_WRITE_DR0, "write_dr0" }, \ + { SVM_EXIT_WRITE_DR1, "write_dr1" }, \ + { SVM_EXIT_WRITE_DR2, "write_dr2" }, \ + { SVM_EXIT_WRITE_DR3, "write_dr3" }, \ + { SVM_EXIT_WRITE_DR4, "write_dr4" }, \ + { SVM_EXIT_WRITE_DR5, "write_dr5" }, \ + { SVM_EXIT_WRITE_DR6, "write_dr6" }, \ + { SVM_EXIT_WRITE_DR7, "write_dr7" }, \ + { SVM_EXIT_EXCP_BASE + DE_VECTOR, "DE excp" }, \ + { SVM_EXIT_EXCP_BASE + DB_VECTOR, "DB excp" }, \ + { SVM_EXIT_EXCP_BASE + BP_VECTOR, "BP excp" }, \ + { SVM_EXIT_EXCP_BASE + OF_VECTOR, "OF excp" }, \ + { SVM_EXIT_EXCP_BASE + BR_VECTOR, "BR excp" }, \ + { SVM_EXIT_EXCP_BASE + UD_VECTOR, "UD excp" }, \ + { SVM_EXIT_EXCP_BASE + NM_VECTOR, "NM excp" }, \ + { SVM_EXIT_EXCP_BASE + DF_VECTOR, "DF excp" }, \ + { SVM_EXIT_EXCP_BASE + TS_VECTOR, "TS excp" }, \ + { SVM_EXIT_EXCP_BASE + NP_VECTOR, "NP excp" }, \ + { SVM_EXIT_EXCP_BASE + SS_VECTOR, "SS excp" }, \ + { SVM_EXIT_EXCP_BASE + GP_VECTOR, "GP excp" }, \ + { SVM_EXIT_EXCP_BASE + PF_VECTOR, "PF excp" }, \ + { SVM_EXIT_EXCP_BASE + MF_VECTOR, "MF excp" }, \ + { SVM_EXIT_EXCP_BASE + AC_VECTOR, "AC excp" }, \ + { SVM_EXIT_EXCP_BASE + MC_VECTOR, "MC excp" }, \ + { SVM_EXIT_EXCP_BASE + XM_VECTOR, "XF excp" }, \ + { SVM_EXIT_INTR, "interrupt" }, \ + { SVM_EXIT_NMI, "nmi" }, \ + { SVM_EXIT_SMI, "smi" }, \ + { SVM_EXIT_INIT, "init" }, \ + { SVM_EXIT_VINTR, "vintr" }, \ + { SVM_EXIT_CR0_SEL_WRITE, "cr0_sel_write" }, \ + { SVM_EXIT_IDTR_READ, "read_idtr" }, \ + { SVM_EXIT_GDTR_READ, "read_gdtr" }, \ + { SVM_EXIT_LDTR_READ, "read_ldtr" }, \ + { SVM_EXIT_TR_READ, "read_rt" }, \ + { SVM_EXIT_IDTR_WRITE, "write_idtr" }, \ + { SVM_EXIT_GDTR_WRITE, "write_gdtr" }, \ + { SVM_EXIT_LDTR_WRITE, "write_ldtr" }, \ + { SVM_EXIT_TR_WRITE, "write_rt" }, \ + { SVM_EXIT_RDTSC, "rdtsc" }, \ + { SVM_EXIT_RDPMC, "rdpmc" }, \ + { SVM_EXIT_PUSHF, "pushf" }, \ + { SVM_EXIT_POPF, "popf" }, \ + { SVM_EXIT_CPUID, "cpuid" }, \ + { SVM_EXIT_RSM, "rsm" }, \ + { SVM_EXIT_IRET, "iret" }, \ + { SVM_EXIT_SWINT, "swint" }, \ + { SVM_EXIT_INVD, "invd" }, \ + { SVM_EXIT_PAUSE, "pause" }, \ + { SVM_EXIT_HLT, "hlt" }, \ + { SVM_EXIT_INVLPG, "invlpg" }, \ + { SVM_EXIT_INVLPGA, "invlpga" }, \ + { SVM_EXIT_IOIO, "io" }, \ + { SVM_EXIT_MSR, "msr" }, \ + { SVM_EXIT_TASK_SWITCH, "task_switch" }, \ + { SVM_EXIT_FERR_FREEZE, "ferr_freeze" }, \ + { SVM_EXIT_SHUTDOWN, "shutdown" }, \ + { SVM_EXIT_VMRUN, "vmrun" }, \ + { SVM_EXIT_VMMCALL, "hypercall" }, \ + { SVM_EXIT_VMLOAD, "vmload" }, \ + { SVM_EXIT_VMSAVE, "vmsave" }, \ + { SVM_EXIT_STGI, "stgi" }, \ + { SVM_EXIT_CLGI, "clgi" }, \ + { SVM_EXIT_SKINIT, "skinit" }, \ + { SVM_EXIT_RDTSCP, "rdtscp" }, \ + { SVM_EXIT_ICEBP, "icebp" }, \ + { SVM_EXIT_WBINVD, "wbinvd" }, \ + { SVM_EXIT_MONITOR, "monitor" }, \ + { SVM_EXIT_MWAIT, "mwait" }, \ + { SVM_EXIT_XSETBV, "xsetbv" }, \ + { SVM_EXIT_NPF, "npf" }, \ + { SVM_EXIT_AVIC_INCOMPLETE_IPI, "avic_incomplete_ipi" }, \ + { SVM_EXIT_AVIC_UNACCELERATED_ACCESS, "avic_unaccelerated_access" }, \ + { SVM_EXIT_ERR, "invalid_guest_state" } + + +#endif /* _UAPI__SVM_H */ diff --git a/tools/arch/x86/include/uapi/asm/vmx.h b/tools/arch/x86/include/uapi/asm/vmx.h new file mode 100644 index 000000000000..5b15d94a33f8 --- /dev/null +++ b/tools/arch/x86/include/uapi/asm/vmx.h @@ -0,0 +1,136 @@ +/* + * vmx.h: VMX Architecture related definitions + * Copyright (c) 2004, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * + * A few random additions are: + * Copyright (C) 2006 Qumranet + * Avi Kivity <avi@qumranet.com> + * Yaniv Kamay <yaniv@qumranet.com> + * + */ +#ifndef _UAPIVMX_H +#define _UAPIVMX_H + + +#define VMX_EXIT_REASONS_FAILED_VMENTRY 0x80000000 + +#define EXIT_REASON_EXCEPTION_NMI 0 +#define EXIT_REASON_EXTERNAL_INTERRUPT 1 +#define EXIT_REASON_TRIPLE_FAULT 2 + +#define EXIT_REASON_PENDING_INTERRUPT 7 +#define EXIT_REASON_NMI_WINDOW 8 +#define EXIT_REASON_TASK_SWITCH 9 +#define EXIT_REASON_CPUID 10 +#define EXIT_REASON_HLT 12 +#define EXIT_REASON_INVD 13 +#define EXIT_REASON_INVLPG 14 +#define EXIT_REASON_RDPMC 15 +#define EXIT_REASON_RDTSC 16 +#define EXIT_REASON_VMCALL 18 +#define EXIT_REASON_VMCLEAR 19 +#define EXIT_REASON_VMLAUNCH 20 +#define EXIT_REASON_VMPTRLD 21 +#define EXIT_REASON_VMPTRST 22 +#define EXIT_REASON_VMREAD 23 +#define EXIT_REASON_VMRESUME 24 +#define EXIT_REASON_VMWRITE 25 +#define EXIT_REASON_VMOFF 26 +#define EXIT_REASON_VMON 27 +#define EXIT_REASON_CR_ACCESS 28 +#define EXIT_REASON_DR_ACCESS 29 +#define EXIT_REASON_IO_INSTRUCTION 30 +#define EXIT_REASON_MSR_READ 31 +#define EXIT_REASON_MSR_WRITE 32 +#define EXIT_REASON_INVALID_STATE 33 +#define EXIT_REASON_MSR_LOAD_FAIL 34 +#define EXIT_REASON_MWAIT_INSTRUCTION 36 +#define EXIT_REASON_MONITOR_TRAP_FLAG 37 +#define EXIT_REASON_MONITOR_INSTRUCTION 39 +#define EXIT_REASON_PAUSE_INSTRUCTION 40 +#define EXIT_REASON_MCE_DURING_VMENTRY 41 +#define EXIT_REASON_TPR_BELOW_THRESHOLD 43 +#define EXIT_REASON_APIC_ACCESS 44 +#define EXIT_REASON_EOI_INDUCED 45 +#define EXIT_REASON_EPT_VIOLATION 48 +#define EXIT_REASON_EPT_MISCONFIG 49 +#define EXIT_REASON_INVEPT 50 +#define EXIT_REASON_RDTSCP 51 +#define EXIT_REASON_PREEMPTION_TIMER 52 +#define EXIT_REASON_INVVPID 53 +#define EXIT_REASON_WBINVD 54 +#define EXIT_REASON_XSETBV 55 +#define EXIT_REASON_APIC_WRITE 56 +#define EXIT_REASON_INVPCID 58 +#define EXIT_REASON_PML_FULL 62 +#define EXIT_REASON_XSAVES 63 +#define EXIT_REASON_XRSTORS 64 +#define EXIT_REASON_PCOMMIT 65 + +#define VMX_EXIT_REASONS \ + { EXIT_REASON_EXCEPTION_NMI, "EXCEPTION_NMI" }, \ + { EXIT_REASON_EXTERNAL_INTERRUPT, "EXTERNAL_INTERRUPT" }, \ + { EXIT_REASON_TRIPLE_FAULT, "TRIPLE_FAULT" }, \ + { EXIT_REASON_PENDING_INTERRUPT, "PENDING_INTERRUPT" }, \ + { EXIT_REASON_NMI_WINDOW, "NMI_WINDOW" }, \ + { EXIT_REASON_TASK_SWITCH, "TASK_SWITCH" }, \ + { EXIT_REASON_CPUID, "CPUID" }, \ + { EXIT_REASON_HLT, "HLT" }, \ + { EXIT_REASON_INVLPG, "INVLPG" }, \ + { EXIT_REASON_RDPMC, "RDPMC" }, \ + { EXIT_REASON_RDTSC, "RDTSC" }, \ + { EXIT_REASON_VMCALL, "VMCALL" }, \ + { EXIT_REASON_VMCLEAR, "VMCLEAR" }, \ + { EXIT_REASON_VMLAUNCH, "VMLAUNCH" }, \ + { EXIT_REASON_VMPTRLD, "VMPTRLD" }, \ + { EXIT_REASON_VMPTRST, "VMPTRST" }, \ + { EXIT_REASON_VMREAD, "VMREAD" }, \ + { EXIT_REASON_VMRESUME, "VMRESUME" }, \ + { EXIT_REASON_VMWRITE, "VMWRITE" }, \ + { EXIT_REASON_VMOFF, "VMOFF" }, \ + { EXIT_REASON_VMON, "VMON" }, \ + { EXIT_REASON_CR_ACCESS, "CR_ACCESS" }, \ + { EXIT_REASON_DR_ACCESS, "DR_ACCESS" }, \ + { EXIT_REASON_IO_INSTRUCTION, "IO_INSTRUCTION" }, \ + { EXIT_REASON_MSR_READ, "MSR_READ" }, \ + { EXIT_REASON_MSR_WRITE, "MSR_WRITE" }, \ + { EXIT_REASON_MWAIT_INSTRUCTION, "MWAIT_INSTRUCTION" }, \ + { EXIT_REASON_MONITOR_TRAP_FLAG, "MONITOR_TRAP_FLAG" }, \ + { EXIT_REASON_MONITOR_INSTRUCTION, "MONITOR_INSTRUCTION" }, \ + { EXIT_REASON_PAUSE_INSTRUCTION, "PAUSE_INSTRUCTION" }, \ + { EXIT_REASON_MCE_DURING_VMENTRY, "MCE_DURING_VMENTRY" }, \ + { EXIT_REASON_TPR_BELOW_THRESHOLD, "TPR_BELOW_THRESHOLD" }, \ + { EXIT_REASON_APIC_ACCESS, "APIC_ACCESS" }, \ + { EXIT_REASON_EPT_VIOLATION, "EPT_VIOLATION" }, \ + { EXIT_REASON_EPT_MISCONFIG, "EPT_MISCONFIG" }, \ + { EXIT_REASON_INVEPT, "INVEPT" }, \ + { EXIT_REASON_PREEMPTION_TIMER, "PREEMPTION_TIMER" }, \ + { EXIT_REASON_WBINVD, "WBINVD" }, \ + { EXIT_REASON_APIC_WRITE, "APIC_WRITE" }, \ + { EXIT_REASON_EOI_INDUCED, "EOI_INDUCED" }, \ + { EXIT_REASON_INVALID_STATE, "INVALID_STATE" }, \ + { EXIT_REASON_MSR_LOAD_FAIL, "MSR_LOAD_FAIL" }, \ + { EXIT_REASON_INVD, "INVD" }, \ + { EXIT_REASON_INVVPID, "INVVPID" }, \ + { EXIT_REASON_INVPCID, "INVPCID" }, \ + { EXIT_REASON_XSAVES, "XSAVES" }, \ + { EXIT_REASON_XRSTORS, "XRSTORS" }, \ + { EXIT_REASON_PCOMMIT, "PCOMMIT" } + +#define VMX_ABORT_SAVE_GUEST_MSR_FAIL 1 +#define VMX_ABORT_LOAD_HOST_MSR_FAIL 4 + +#endif /* _UAPIVMX_H */ diff --git a/tools/arch/x86/lib/memcpy_64.S b/tools/arch/x86/lib/memcpy_64.S new file mode 100644 index 000000000000..2ec0b0abbfaa --- /dev/null +++ b/tools/arch/x86/lib/memcpy_64.S @@ -0,0 +1,297 @@ +/* Copyright 2002 Andi Kleen */ + +#include <linux/linkage.h> +#include <asm/errno.h> +#include <asm/cpufeatures.h> +#include <asm/alternative-asm.h> + +/* + * We build a jump to memcpy_orig by default which gets NOPped out on + * the majority of x86 CPUs which set REP_GOOD. In addition, CPUs which + * have the enhanced REP MOVSB/STOSB feature (ERMS), change those NOPs + * to a jmp to memcpy_erms which does the REP; MOVSB mem copy. + */ + +.weak memcpy + +/* + * memcpy - Copy a memory block. + * + * Input: + * rdi destination + * rsi source + * rdx count + * + * Output: + * rax original destination + */ +ENTRY(__memcpy) +ENTRY(memcpy) + ALTERNATIVE_2 "jmp memcpy_orig", "", X86_FEATURE_REP_GOOD, \ + "jmp memcpy_erms", X86_FEATURE_ERMS + + movq %rdi, %rax + movq %rdx, %rcx + shrq $3, %rcx + andl $7, %edx + rep movsq + movl %edx, %ecx + rep movsb + ret +ENDPROC(memcpy) +ENDPROC(__memcpy) + +/* + * memcpy_erms() - enhanced fast string memcpy. This is faster and + * simpler than memcpy. Use memcpy_erms when possible. + */ +ENTRY(memcpy_erms) + movq %rdi, %rax + movq %rdx, %rcx + rep movsb + ret +ENDPROC(memcpy_erms) + +ENTRY(memcpy_orig) + movq %rdi, %rax + + cmpq $0x20, %rdx + jb .Lhandle_tail + + /* + * We check whether memory false dependence could occur, + * then jump to corresponding copy mode. + */ + cmp %dil, %sil + jl .Lcopy_backward + subq $0x20, %rdx +.Lcopy_forward_loop: + subq $0x20, %rdx + + /* + * Move in blocks of 4x8 bytes: + */ + movq 0*8(%rsi), %r8 + movq 1*8(%rsi), %r9 + movq 2*8(%rsi), %r10 + movq 3*8(%rsi), %r11 + leaq 4*8(%rsi), %rsi + + movq %r8, 0*8(%rdi) + movq %r9, 1*8(%rdi) + movq %r10, 2*8(%rdi) + movq %r11, 3*8(%rdi) + leaq 4*8(%rdi), %rdi + jae .Lcopy_forward_loop + addl $0x20, %edx + jmp .Lhandle_tail + +.Lcopy_backward: + /* + * Calculate copy position to tail. + */ + addq %rdx, %rsi + addq %rdx, %rdi + subq $0x20, %rdx + /* + * At most 3 ALU operations in one cycle, + * so append NOPS in the same 16 bytes trunk. + */ + .p2align 4 +.Lcopy_backward_loop: + subq $0x20, %rdx + movq -1*8(%rsi), %r8 + movq -2*8(%rsi), %r9 + movq -3*8(%rsi), %r10 + movq -4*8(%rsi), %r11 + leaq -4*8(%rsi), %rsi + movq %r8, -1*8(%rdi) + movq %r9, -2*8(%rdi) + movq %r10, -3*8(%rdi) + movq %r11, -4*8(%rdi) + leaq -4*8(%rdi), %rdi + jae .Lcopy_backward_loop + + /* + * Calculate copy position to head. + */ + addl $0x20, %edx + subq %rdx, %rsi + subq %rdx, %rdi +.Lhandle_tail: + cmpl $16, %edx + jb .Lless_16bytes + + /* + * Move data from 16 bytes to 31 bytes. + */ + movq 0*8(%rsi), %r8 + movq 1*8(%rsi), %r9 + movq -2*8(%rsi, %rdx), %r10 + movq -1*8(%rsi, %rdx), %r11 + movq %r8, 0*8(%rdi) + movq %r9, 1*8(%rdi) + movq %r10, -2*8(%rdi, %rdx) + movq %r11, -1*8(%rdi, %rdx) + retq + .p2align 4 +.Lless_16bytes: + cmpl $8, %edx + jb .Lless_8bytes + /* + * Move data from 8 bytes to 15 bytes. + */ + movq 0*8(%rsi), %r8 + movq -1*8(%rsi, %rdx), %r9 + movq %r8, 0*8(%rdi) + movq %r9, -1*8(%rdi, %rdx) + retq + .p2align 4 +.Lless_8bytes: + cmpl $4, %edx + jb .Lless_3bytes + + /* + * Move data from 4 bytes to 7 bytes. + */ + movl (%rsi), %ecx + movl -4(%rsi, %rdx), %r8d + movl %ecx, (%rdi) + movl %r8d, -4(%rdi, %rdx) + retq + .p2align 4 +.Lless_3bytes: + subl $1, %edx + jb .Lend + /* + * Move data from 1 bytes to 3 bytes. + */ + movzbl (%rsi), %ecx + jz .Lstore_1byte + movzbq 1(%rsi), %r8 + movzbq (%rsi, %rdx), %r9 + movb %r8b, 1(%rdi) + movb %r9b, (%rdi, %rdx) +.Lstore_1byte: + movb %cl, (%rdi) + +.Lend: + retq +ENDPROC(memcpy_orig) + +#ifndef CONFIG_UML +/* + * memcpy_mcsafe - memory copy with machine check exception handling + * Note that we only catch machine checks when reading the source addresses. + * Writes to target are posted and don't generate machine checks. + */ +ENTRY(memcpy_mcsafe) + cmpl $8, %edx + /* Less than 8 bytes? Go to byte copy loop */ + jb .L_no_whole_words + + /* Check for bad alignment of source */ + testl $7, %esi + /* Already aligned */ + jz .L_8byte_aligned + + /* Copy one byte at a time until source is 8-byte aligned */ + movl %esi, %ecx + andl $7, %ecx + subl $8, %ecx + negl %ecx + subl %ecx, %edx +.L_copy_leading_bytes: + movb (%rsi), %al + movb %al, (%rdi) + incq %rsi + incq %rdi + decl %ecx + jnz .L_copy_leading_bytes + +.L_8byte_aligned: + /* Figure out how many whole cache lines (64-bytes) to copy */ + movl %edx, %ecx + andl $63, %edx + shrl $6, %ecx + jz .L_no_whole_cache_lines + + /* Loop copying whole cache lines */ +.L_cache_w0: movq (%rsi), %r8 +.L_cache_w1: movq 1*8(%rsi), %r9 +.L_cache_w2: movq 2*8(%rsi), %r10 +.L_cache_w3: movq 3*8(%rsi), %r11 + movq %r8, (%rdi) + movq %r9, 1*8(%rdi) + movq %r10, 2*8(%rdi) + movq %r11, 3*8(%rdi) +.L_cache_w4: movq 4*8(%rsi), %r8 +.L_cache_w5: movq 5*8(%rsi), %r9 +.L_cache_w6: movq 6*8(%rsi), %r10 +.L_cache_w7: movq 7*8(%rsi), %r11 + movq %r8, 4*8(%rdi) + movq %r9, 5*8(%rdi) + movq %r10, 6*8(%rdi) + movq %r11, 7*8(%rdi) + leaq 64(%rsi), %rsi + leaq 64(%rdi), %rdi + decl %ecx + jnz .L_cache_w0 + + /* Are there any trailing 8-byte words? */ +.L_no_whole_cache_lines: + movl %edx, %ecx + andl $7, %edx + shrl $3, %ecx + jz .L_no_whole_words + + /* Copy trailing words */ +.L_copy_trailing_words: + movq (%rsi), %r8 + mov %r8, (%rdi) + leaq 8(%rsi), %rsi + leaq 8(%rdi), %rdi + decl %ecx + jnz .L_copy_trailing_words + + /* Any trailing bytes? */ +.L_no_whole_words: + andl %edx, %edx + jz .L_done_memcpy_trap + + /* Copy trailing bytes */ + movl %edx, %ecx +.L_copy_trailing_bytes: + movb (%rsi), %al + movb %al, (%rdi) + incq %rsi + incq %rdi + decl %ecx + jnz .L_copy_trailing_bytes + + /* Copy successful. Return zero */ +.L_done_memcpy_trap: + xorq %rax, %rax + ret +ENDPROC(memcpy_mcsafe) + + .section .fixup, "ax" + /* Return -EFAULT for any failure */ +.L_memcpy_mcsafe_fail: + mov $-EFAULT, %rax + ret + + .previous + + _ASM_EXTABLE_FAULT(.L_copy_leading_bytes, .L_memcpy_mcsafe_fail) + _ASM_EXTABLE_FAULT(.L_cache_w0, .L_memcpy_mcsafe_fail) + _ASM_EXTABLE_FAULT(.L_cache_w1, .L_memcpy_mcsafe_fail) + _ASM_EXTABLE_FAULT(.L_cache_w3, .L_memcpy_mcsafe_fail) + _ASM_EXTABLE_FAULT(.L_cache_w3, .L_memcpy_mcsafe_fail) + _ASM_EXTABLE_FAULT(.L_cache_w4, .L_memcpy_mcsafe_fail) + _ASM_EXTABLE_FAULT(.L_cache_w5, .L_memcpy_mcsafe_fail) + _ASM_EXTABLE_FAULT(.L_cache_w6, .L_memcpy_mcsafe_fail) + _ASM_EXTABLE_FAULT(.L_cache_w7, .L_memcpy_mcsafe_fail) + _ASM_EXTABLE_FAULT(.L_copy_trailing_words, .L_memcpy_mcsafe_fail) + _ASM_EXTABLE_FAULT(.L_copy_trailing_bytes, .L_memcpy_mcsafe_fail) +#endif diff --git a/tools/arch/x86/lib/memset_64.S b/tools/arch/x86/lib/memset_64.S new file mode 100644 index 000000000000..e1229ecd2a82 --- /dev/null +++ b/tools/arch/x86/lib/memset_64.S @@ -0,0 +1,138 @@ +/* Copyright 2002 Andi Kleen, SuSE Labs */ + +#include <linux/linkage.h> +#include <asm/cpufeatures.h> +#include <asm/alternative-asm.h> + +.weak memset + +/* + * ISO C memset - set a memory block to a byte value. This function uses fast + * string to get better performance than the original function. The code is + * simpler and shorter than the original function as well. + * + * rdi destination + * rsi value (char) + * rdx count (bytes) + * + * rax original destination + */ +ENTRY(memset) +ENTRY(__memset) + /* + * Some CPUs support enhanced REP MOVSB/STOSB feature. It is recommended + * to use it when possible. If not available, use fast string instructions. + * + * Otherwise, use original memset function. + */ + ALTERNATIVE_2 "jmp memset_orig", "", X86_FEATURE_REP_GOOD, \ + "jmp memset_erms", X86_FEATURE_ERMS + + movq %rdi,%r9 + movq %rdx,%rcx + andl $7,%edx + shrq $3,%rcx + /* expand byte value */ + movzbl %sil,%esi + movabs $0x0101010101010101,%rax + imulq %rsi,%rax + rep stosq + movl %edx,%ecx + rep stosb + movq %r9,%rax + ret +ENDPROC(memset) +ENDPROC(__memset) + +/* + * ISO C memset - set a memory block to a byte value. This function uses + * enhanced rep stosb to override the fast string function. + * The code is simpler and shorter than the fast string function as well. + * + * rdi destination + * rsi value (char) + * rdx count (bytes) + * + * rax original destination + */ +ENTRY(memset_erms) + movq %rdi,%r9 + movb %sil,%al + movq %rdx,%rcx + rep stosb + movq %r9,%rax + ret +ENDPROC(memset_erms) + +ENTRY(memset_orig) + movq %rdi,%r10 + + /* expand byte value */ + movzbl %sil,%ecx + movabs $0x0101010101010101,%rax + imulq %rcx,%rax + + /* align dst */ + movl %edi,%r9d + andl $7,%r9d + jnz .Lbad_alignment +.Lafter_bad_alignment: + + movq %rdx,%rcx + shrq $6,%rcx + jz .Lhandle_tail + + .p2align 4 +.Lloop_64: + decq %rcx + movq %rax,(%rdi) + movq %rax,8(%rdi) + movq %rax,16(%rdi) + movq %rax,24(%rdi) + movq %rax,32(%rdi) + movq %rax,40(%rdi) + movq %rax,48(%rdi) + movq %rax,56(%rdi) + leaq 64(%rdi),%rdi + jnz .Lloop_64 + + /* Handle tail in loops. The loops should be faster than hard + to predict jump tables. */ + .p2align 4 +.Lhandle_tail: + movl %edx,%ecx + andl $63&(~7),%ecx + jz .Lhandle_7 + shrl $3,%ecx + .p2align 4 +.Lloop_8: + decl %ecx + movq %rax,(%rdi) + leaq 8(%rdi),%rdi + jnz .Lloop_8 + +.Lhandle_7: + andl $7,%edx + jz .Lende + .p2align 4 +.Lloop_1: + decl %edx + movb %al,(%rdi) + leaq 1(%rdi),%rdi + jnz .Lloop_1 + +.Lende: + movq %r10,%rax + ret + +.Lbad_alignment: + cmpq $7,%rdx + jbe .Lhandle_7 + movq %rax,(%rdi) /* unaligned store */ + movq $8,%r8 + subq %r9,%r8 + addq %r8,%rdi + subq %r8,%rdx + jmp .Lafter_bad_alignment +.Lfinal: +ENDPROC(memset_orig) diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature index 57c8f98874e8..a120c6b755a9 100644 --- a/tools/build/Makefile.feature +++ b/tools/build/Makefile.feature @@ -40,6 +40,8 @@ FEATURE_TESTS_BASIC := \ libbfd \ libelf \ libelf-getphdrnum \ + libelf-gelf_getnote \ + libelf-getshdrstrndx \ libelf-mmap \ libnuma \ numa_num_possible_cpus \ @@ -60,7 +62,8 @@ FEATURE_TESTS_BASIC := \ zlib \ lzma \ get_cpuid \ - bpf + bpf \ + sdt # FEATURE_TESTS_BASIC + FEATURE_TESTS_EXTRA is the complete list # of all feature tests diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile index 3d88f09e188b..a0b29a311816 100644 --- a/tools/build/feature/Makefile +++ b/tools/build/feature/Makefile @@ -17,6 +17,8 @@ FILES= \ test-cplus-demangle.bin \ test-libelf.bin \ test-libelf-getphdrnum.bin \ + test-libelf-gelf_getnote.bin \ + test-libelf-getshdrstrndx.bin \ test-libelf-mmap.bin \ test-libnuma.bin \ test-numa_num_possible_cpus.bin \ @@ -43,7 +45,8 @@ FILES= \ test-zlib.bin \ test-lzma.bin \ test-bpf.bin \ - test-get_cpuid.bin + test-get_cpuid.bin \ + test-sdt.bin FILES := $(addprefix $(OUTPUT),$(FILES)) @@ -98,6 +101,12 @@ $(OUTPUT)test-libelf-mmap.bin: $(OUTPUT)test-libelf-getphdrnum.bin: $(BUILD) -lelf +$(OUTPUT)test-libelf-gelf_getnote.bin: + $(BUILD) -lelf + +$(OUTPUT)test-libelf-getshdrstrndx.bin: + $(BUILD) -lelf + $(OUTPUT)test-libnuma.bin: $(BUILD) -lnuma @@ -205,6 +214,9 @@ $(OUTPUT)test-get_cpuid.bin: $(OUTPUT)test-bpf.bin: $(BUILD) +$(OUTPUT)test-sdt.bin: + $(BUILD) + -include $(OUTPUT)*.d ############################### diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c index a282e8cb84f3..699e43627397 100644 --- a/tools/build/feature/test-all.c +++ b/tools/build/feature/test-all.c @@ -49,6 +49,14 @@ # include "test-libelf-getphdrnum.c" #undef main +#define main main_test_libelf_gelf_getnote +# include "test-libelf-gelf_getnote.c" +#undef main + +#define main main_test_libelf_getshdrstrndx +# include "test-libelf-getshdrstrndx.c" +#undef main + #define main main_test_libunwind # include "test-libunwind.c" #undef main @@ -137,6 +145,10 @@ # include "test-libcrypto.c" #undef main +#define main main_test_sdt +# include "test-sdt.c" +#undef main + int main(int argc, char *argv[]) { main_test_libpython(); @@ -149,6 +161,8 @@ int main(int argc, char *argv[]) main_test_dwarf(); main_test_dwarf_getlocations(); main_test_libelf_getphdrnum(); + main_test_libelf_gelf_getnote(); + main_test_libelf_getshdrstrndx(); main_test_libunwind(); main_test_libaudit(); main_test_libslang(); @@ -168,6 +182,7 @@ int main(int argc, char *argv[]) main_test_get_cpuid(); main_test_bpf(); main_test_libcrypto(); + main_test_sdt(); return 0; } diff --git a/tools/build/feature/test-libelf-gelf_getnote.c b/tools/build/feature/test-libelf-gelf_getnote.c new file mode 100644 index 000000000000..d78cf4d5271f --- /dev/null +++ b/tools/build/feature/test-libelf-gelf_getnote.c @@ -0,0 +1,7 @@ +#include <stdlib.h> +#include <gelf.h> + +int main(void) +{ + return gelf_getnote(NULL, 0, NULL, NULL, NULL); +} diff --git a/tools/build/feature/test-libelf-getshdrstrndx.c b/tools/build/feature/test-libelf-getshdrstrndx.c new file mode 100644 index 000000000000..f0c3b47cce28 --- /dev/null +++ b/tools/build/feature/test-libelf-getshdrstrndx.c @@ -0,0 +1,8 @@ +#include <libelf.h> + +int main(void) +{ + size_t dst; + + return elf_getshdrstrndx(0, &dst); +} diff --git a/tools/build/feature/test-sdt.c b/tools/build/feature/test-sdt.c new file mode 100644 index 000000000000..e4531a6e80ea --- /dev/null +++ b/tools/build/feature/test-sdt.c @@ -0,0 +1,7 @@ +#include <sys/sdt.h> + +int main(void) +{ + DTRACE_PROBE(provider, name); + return 0; +} diff --git a/tools/gpio/Build b/tools/gpio/Build new file mode 100644 index 000000000000..620c1937d957 --- /dev/null +++ b/tools/gpio/Build @@ -0,0 +1,3 @@ +lsgpio-y += lsgpio.o gpio-utils.o +gpio-hammer-y += gpio-hammer.o gpio-utils.o +gpio-event-mon-y += gpio-event-mon.o gpio-utils.o diff --git a/tools/gpio/Makefile b/tools/gpio/Makefile index c155d6bc47a7..250a891e6ef0 100644 --- a/tools/gpio/Makefile +++ b/tools/gpio/Makefile @@ -1,12 +1,75 @@ +include ../scripts/Makefile.include + +bindir ?= /usr/bin + +ifeq ($(srctree),) +srctree := $(patsubst %/,%,$(dir $(shell pwd))) +srctree := $(patsubst %/,%,$(dir $(srctree))) +endif + +# Do not use make's built-in rules +# (this improves performance and avoids hard-to-debug behaviour); +MAKEFLAGS += -r + CC = $(CROSS_COMPILE)gcc -CFLAGS += -O2 -Wall -g -D_GNU_SOURCE +LD = $(CROSS_COMPILE)ld +CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include + +ALL_TARGETS := lsgpio gpio-hammer gpio-event-mon +ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS)) + +all: $(ALL_PROGRAMS) -all: lsgpio +export srctree OUTPUT CC LD CFLAGS +include $(srctree)/tools/build/Makefile.include -lsgpio: lsgpio.o gpio-utils.o +# +# We need the following to be outside of kernel tree +# +$(OUTPUT)include/linux/gpio.h: ../../include/uapi/linux/gpio.h + mkdir -p $(OUTPUT)include/linux 2>&1 || true + ln -sf $(CURDIR)/../../include/uapi/linux/gpio.h $@ -%.o: %.c gpio-utils.h +prepare: $(OUTPUT)include/linux/gpio.h + +# +# lsgpio +# +LSGPIO_IN := $(OUTPUT)lsgpio-in.o +$(LSGPIO_IN): prepare FORCE + $(Q)$(MAKE) $(build)=lsgpio +$(OUTPUT)lsgpio: $(LSGPIO_IN) + $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ + +# +# gpio-hammer +# +GPIO_HAMMER_IN := $(OUTPUT)gpio-hammer-in.o +$(GPIO_HAMMER_IN): prepare FORCE + $(Q)$(MAKE) $(build)=gpio-hammer +$(OUTPUT)gpio-hammer: $(GPIO_HAMMER_IN) + $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ + +# +# gpio-event-mon +# +GPIO_EVENT_MON_IN := $(OUTPUT)gpio-event-mon-in.o +$(GPIO_EVENT_MON_IN): prepare FORCE + $(Q)$(MAKE) $(build)=gpio-event-mon +$(OUTPUT)gpio-event-mon: $(GPIO_EVENT_MON_IN) + $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ -.PHONY: clean clean: - rm -f *.o lsgpio + rm -f $(ALL_PROGRAMS) + rm -f $(OUTPUT)include/linux/gpio.h + find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete + +install: $(ALL_PROGRAMS) + install -d -m 755 $(DESTDIR)$(bindir); \ + for program in $(ALL_PROGRAMS); do \ + install $$program $(DESTDIR)$(bindir); \ + done + +FORCE: + +.PHONY: all install clean FORCE prepare diff --git a/tools/gpio/gpio-event-mon.c b/tools/gpio/gpio-event-mon.c new file mode 100644 index 000000000000..448ed96b3b4f --- /dev/null +++ b/tools/gpio/gpio-event-mon.c @@ -0,0 +1,192 @@ +/* + * gpio-hammer - example swiss army knife to shake GPIO lines on a system + * + * Copyright (C) 2016 Linus Walleij + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * Usage: + * gpio-event-mon -n <device-name> -o <offset> + */ + +#include <unistd.h> +#include <stdlib.h> +#include <stdbool.h> +#include <stdio.h> +#include <dirent.h> +#include <errno.h> +#include <string.h> +#include <poll.h> +#include <fcntl.h> +#include <getopt.h> +#include <inttypes.h> +#include <sys/ioctl.h> +#include <linux/gpio.h> + +int monitor_device(const char *device_name, + unsigned int line, + u_int32_t handleflags, + u_int32_t eventflags, + unsigned int loops) +{ + struct gpioevent_request req; + struct gpiohandle_data data; + char *chrdev_name; + int fd; + int ret; + int i = 0; + + ret = asprintf(&chrdev_name, "/dev/%s", device_name); + if (ret < 0) + return -ENOMEM; + + fd = open(chrdev_name, 0); + if (fd == -1) { + ret = -errno; + fprintf(stderr, "Failed to open %s\n", chrdev_name); + goto exit_close_error; + } + + req.lineoffset = line; + req.handleflags = handleflags; + req.eventflags = eventflags; + strcpy(req.consumer_label, "gpio-event-mon"); + + ret = ioctl(fd, GPIO_GET_LINEEVENT_IOCTL, &req); + if (ret == -1) { + ret = -errno; + fprintf(stderr, "Failed to issue GET EVENT " + "IOCTL (%d)\n", + ret); + goto exit_close_error; + } + + /* Read initial states */ + ret = ioctl(req.fd, GPIOHANDLE_GET_LINE_VALUES_IOCTL, &data); + if (ret == -1) { + ret = -errno; + fprintf(stderr, "Failed to issue GPIOHANDLE GET LINE " + "VALUES IOCTL (%d)\n", + ret); + goto exit_close_error; + } + + fprintf(stdout, "Monitoring line %d on %s\n", line, device_name); + fprintf(stdout, "Initial line value: %d\n", data.values[0]); + + while (1) { + struct gpioevent_data event; + + ret = read(req.fd, &event, sizeof(event)); + if (ret == -1) { + if (errno == -EAGAIN) { + fprintf(stderr, "nothing available\n"); + continue; + } else { + ret = -errno; + fprintf(stderr, "Failed to read event (%d)\n", + ret); + break; + } + } + + if (ret != sizeof(event)) { + fprintf(stderr, "Reading event failed\n"); + ret = -EIO; + break; + } + fprintf(stdout, "GPIO EVENT %" PRIu64 ": ", event.timestamp); + switch (event.id) { + case GPIOEVENT_EVENT_RISING_EDGE: + fprintf(stdout, "rising edge"); + break; + case GPIOEVENT_EVENT_FALLING_EDGE: + fprintf(stdout, "falling edge"); + break; + default: + fprintf(stdout, "unknown event"); + } + fprintf(stdout, "\n"); + + i++; + if (i == loops) + break; + } + +exit_close_error: + if (close(fd) == -1) + perror("Failed to close GPIO character device file"); + free(chrdev_name); + return ret; +} + +void print_usage(void) +{ + fprintf(stderr, "Usage: gpio-event-mon [options]...\n" + "Listen to events on GPIO lines, 0->1 1->0\n" + " -n <name> Listen on GPIOs on a named device (must be stated)\n" + " -o <n> Offset to monitor\n" + " -d Set line as open drain\n" + " -s Set line as open source\n" + " -r Listen for rising edges\n" + " -f Listen for falling edges\n" + " [-c <n>] Do <n> loops (optional, infinite loop if not stated)\n" + " -? This helptext\n" + "\n" + "Example:\n" + "gpio-event-mon -n gpiochip0 -o 4 -r -f\n" + ); +} + +int main(int argc, char **argv) +{ + const char *device_name = NULL; + unsigned int line = -1; + unsigned int loops = 0; + u_int32_t handleflags = GPIOHANDLE_REQUEST_INPUT; + u_int32_t eventflags = 0; + int c; + + while ((c = getopt(argc, argv, "c:n:o:dsrf?")) != -1) { + switch (c) { + case 'c': + loops = strtoul(optarg, NULL, 10); + break; + case 'n': + device_name = optarg; + break; + case 'o': + line = strtoul(optarg, NULL, 10); + break; + case 'd': + handleflags |= GPIOHANDLE_REQUEST_OPEN_DRAIN; + break; + case 's': + handleflags |= GPIOHANDLE_REQUEST_OPEN_SOURCE; + break; + case 'r': + eventflags |= GPIOEVENT_REQUEST_RISING_EDGE; + break; + case 'f': + eventflags |= GPIOEVENT_REQUEST_FALLING_EDGE; + break; + case '?': + print_usage(); + return -1; + } + } + + if (!device_name || line == -1) { + print_usage(); + return -1; + } + if (!eventflags) { + printf("No flags specified, listening on both rising and " + "falling edges\n"); + eventflags = GPIOEVENT_REQUEST_BOTH_EDGES; + } + return monitor_device(device_name, line, handleflags, + eventflags, loops); +} diff --git a/tools/gpio/gpio-hammer.c b/tools/gpio/gpio-hammer.c new file mode 100644 index 000000000000..37b3f141053d --- /dev/null +++ b/tools/gpio/gpio-hammer.c @@ -0,0 +1,189 @@ +/* + * gpio-hammer - example swiss army knife to shake GPIO lines on a system + * + * Copyright (C) 2016 Linus Walleij + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * Usage: + * gpio-hammer -n <device-name> -o <offset1> -o <offset2> + */ + +#include <unistd.h> +#include <stdlib.h> +#include <stdbool.h> +#include <stdio.h> +#include <dirent.h> +#include <errno.h> +#include <string.h> +#include <poll.h> +#include <fcntl.h> +#include <getopt.h> +#include <sys/ioctl.h> +#include <linux/gpio.h> + +int hammer_device(const char *device_name, unsigned int *lines, int nlines, + unsigned int loops) +{ + struct gpiohandle_request req; + struct gpiohandle_data data; + char *chrdev_name; + char swirr[] = "-\\|/"; + int fd; + int ret; + int i, j; + unsigned int iteration = 0; + + ret = asprintf(&chrdev_name, "/dev/%s", device_name); + if (ret < 0) + return -ENOMEM; + + fd = open(chrdev_name, 0); + if (fd == -1) { + ret = -errno; + fprintf(stderr, "Failed to open %s\n", chrdev_name); + goto exit_close_error; + } + + /* Request lines as output */ + for (i = 0; i < nlines; i++) + req.lineoffsets[i] = lines[i]; + req.flags = GPIOHANDLE_REQUEST_OUTPUT; /* Request as output */ + strcpy(req.consumer_label, "gpio-hammer"); + req.lines = nlines; + ret = ioctl(fd, GPIO_GET_LINEHANDLE_IOCTL, &req); + if (ret == -1) { + ret = -errno; + fprintf(stderr, "Failed to issue GET LINEHANDLE " + "IOCTL (%d)\n", + ret); + goto exit_close_error; + } + + /* Read initial states */ + ret = ioctl(req.fd, GPIOHANDLE_GET_LINE_VALUES_IOCTL, &data); + if (ret == -1) { + ret = -errno; + fprintf(stderr, "Failed to issue GPIOHANDLE GET LINE " + "VALUES IOCTL (%d)\n", + ret); + goto exit_close_error; + } + fprintf(stdout, "Hammer lines ["); + for (i = 0; i < nlines; i++) { + fprintf(stdout, "%d", lines[i]); + if (i != (nlines - 1)) + fprintf(stdout, ", "); + } + fprintf(stdout, "] on %s, initial states: [", device_name); + for (i = 0; i < nlines; i++) { + fprintf(stdout, "%d", data.values[i]); + if (i != (nlines - 1)) + fprintf(stdout, ", "); + } + fprintf(stdout, "]\n"); + + /* Hammertime! */ + j = 0; + while (1) { + /* Invert all lines so we blink */ + for (i = 0; i < nlines; i++) + data.values[i] = !data.values[i]; + + ret = ioctl(req.fd, GPIOHANDLE_SET_LINE_VALUES_IOCTL, &data); + if (ret == -1) { + ret = -errno; + fprintf(stderr, "Failed to issue GPIOHANDLE SET LINE " + "VALUES IOCTL (%d)\n", + ret); + goto exit_close_error; + } + /* Re-read values to get status */ + ret = ioctl(req.fd, GPIOHANDLE_GET_LINE_VALUES_IOCTL, &data); + if (ret == -1) { + ret = -errno; + fprintf(stderr, "Failed to issue GPIOHANDLE GET LINE " + "VALUES IOCTL (%d)\n", + ret); + goto exit_close_error; + } + + fprintf(stdout, "[%c] ", swirr[j]); + j++; + if (j == sizeof(swirr)-1) + j = 0; + + fprintf(stdout, "["); + for (i = 0; i < nlines; i++) { + fprintf(stdout, "%d: %d", lines[i], data.values[i]); + if (i != (nlines - 1)) + fprintf(stdout, ", "); + } + fprintf(stdout, "]\r"); + fflush(stdout); + sleep(1); + iteration++; + if (loops && iteration == loops) + break; + } + fprintf(stdout, "\n"); + ret = 0; + +exit_close_error: + if (close(fd) == -1) + perror("Failed to close GPIO character device file"); + free(chrdev_name); + return ret; +} + +void print_usage(void) +{ + fprintf(stderr, "Usage: gpio-hammer [options]...\n" + "Hammer GPIO lines, 0->1->0->1...\n" + " -n <name> Hammer GPIOs on a named device (must be stated)\n" + " -o <n> Offset[s] to hammer, at least one, several can be stated\n" + " [-c <n>] Do <n> loops (optional, infinite loop if not stated)\n" + " -? This helptext\n" + "\n" + "Example:\n" + "gpio-hammer -n gpiochip0 -o 4\n" + ); +} + +int main(int argc, char **argv) +{ + const char *device_name = NULL; + unsigned int lines[GPIOHANDLES_MAX]; + unsigned int loops = 0; + int nlines; + int c; + int i; + + i = 0; + while ((c = getopt(argc, argv, "c:n:o:?")) != -1) { + switch (c) { + case 'c': + loops = strtoul(optarg, NULL, 10); + break; + case 'n': + device_name = optarg; + break; + case 'o': + lines[i] = strtoul(optarg, NULL, 10); + i++; + break; + case '?': + print_usage(); + return -1; + } + } + nlines = i; + + if (!device_name || !nlines) { + print_usage(); + return -1; + } + return hammer_device(device_name, lines, nlines, loops); +} diff --git a/tools/hv/bondvf.sh b/tools/hv/bondvf.sh new file mode 100755 index 000000000000..8e960234013d --- /dev/null +++ b/tools/hv/bondvf.sh @@ -0,0 +1,193 @@ +#!/bin/bash + +# This example script creates bonding network devices based on synthetic NIC +# (the virtual network adapter usually provided by Hyper-V) and the matching +# VF NIC (SRIOV virtual function). So the synthetic NIC and VF NIC can +# function as one network device, and fail over to the synthetic NIC if VF is +# down. +# +# Usage: +# - After configured vSwitch and vNIC with SRIOV, start Linux virtual +# machine (VM) +# - Run this scripts on the VM. It will create configuration files in +# distro specific directory. +# - Reboot the VM, so that the bonding config are enabled. +# +# The config files are DHCP by default. You may edit them if you need to change +# to Static IP or change other settings. +# + +sysdir=/sys/class/net +netvsc_cls={f8615163-df3e-46c5-913f-f2d2f965ed0e} +bondcnt=0 + +# Detect Distro +if [ -f /etc/redhat-release ]; +then + cfgdir=/etc/sysconfig/network-scripts + distro=redhat +elif grep -q 'Ubuntu' /etc/issue +then + cfgdir=/etc/network + distro=ubuntu +elif grep -q 'SUSE' /etc/issue +then + cfgdir=/etc/sysconfig/network + distro=suse +else + echo "Unsupported Distro" + exit 1 +fi + +echo Detected Distro: $distro, or compatible + +# Get a list of ethernet names +list_eth=(`cd $sysdir && ls -d */ | cut -d/ -f1 | grep -v bond`) +eth_cnt=${#list_eth[@]} + +echo List of net devices: + +# Get the MAC addresses +for (( i=0; i < $eth_cnt; i++ )) +do + list_mac[$i]=`cat $sysdir/${list_eth[$i]}/address` + echo ${list_eth[$i]}, ${list_mac[$i]} +done + +# Find NIC with matching MAC +for (( i=0; i < $eth_cnt-1; i++ )) +do + for (( j=i+1; j < $eth_cnt; j++ )) + do + if [ "${list_mac[$i]}" = "${list_mac[$j]}" ] + then + list_match[$i]=${list_eth[$j]} + break + fi + done +done + +function create_eth_cfg_redhat { + local fn=$cfgdir/ifcfg-$1 + + rm -f $fn + echo DEVICE=$1 >>$fn + echo TYPE=Ethernet >>$fn + echo BOOTPROTO=none >>$fn + echo ONBOOT=yes >>$fn + echo NM_CONTROLLED=no >>$fn + echo PEERDNS=yes >>$fn + echo IPV6INIT=yes >>$fn + echo MASTER=$2 >>$fn + echo SLAVE=yes >>$fn +} + +function create_eth_cfg_pri_redhat { + create_eth_cfg_redhat $1 $2 +} + +function create_bond_cfg_redhat { + local fn=$cfgdir/ifcfg-$1 + + rm -f $fn + echo DEVICE=$1 >>$fn + echo TYPE=Bond >>$fn + echo BOOTPROTO=dhcp >>$fn + echo ONBOOT=yes >>$fn + echo NM_CONTROLLED=no >>$fn + echo PEERDNS=yes >>$fn + echo IPV6INIT=yes >>$fn + echo BONDING_MASTER=yes >>$fn + echo BONDING_OPTS=\"mode=active-backup miimon=100 primary=$2\" >>$fn +} + +function create_eth_cfg_ubuntu { + local fn=$cfgdir/interfaces + + echo $'\n'auto $1 >>$fn + echo iface $1 inet manual >>$fn + echo bond-master $2 >>$fn +} + +function create_eth_cfg_pri_ubuntu { + local fn=$cfgdir/interfaces + + create_eth_cfg_ubuntu $1 $2 + echo bond-primary $1 >>$fn +} + +function create_bond_cfg_ubuntu { + local fn=$cfgdir/interfaces + + echo $'\n'auto $1 >>$fn + echo iface $1 inet dhcp >>$fn + echo bond-mode active-backup >>$fn + echo bond-miimon 100 >>$fn + echo bond-slaves none >>$fn +} + +function create_eth_cfg_suse { + local fn=$cfgdir/ifcfg-$1 + + rm -f $fn + echo BOOTPROTO=none >>$fn + echo STARTMODE=auto >>$fn +} + +function create_eth_cfg_pri_suse { + create_eth_cfg_suse $1 +} + +function create_bond_cfg_suse { + local fn=$cfgdir/ifcfg-$1 + + rm -f $fn + echo BOOTPROTO=dhcp >>$fn + echo STARTMODE=auto >>$fn + echo BONDING_MASTER=yes >>$fn + echo BONDING_SLAVE_0=$2 >>$fn + echo BONDING_SLAVE_1=$3 >>$fn + echo BONDING_MODULE_OPTS=\'mode=active-backup miimon=100 primary=$2\' >>$fn +} + +function create_bond { + local bondname=bond$bondcnt + local primary + local secondary + + local class_id1=`cat $sysdir/$1/device/class_id 2>/dev/null` + local class_id2=`cat $sysdir/$2/device/class_id 2>/dev/null` + + if [ "$class_id1" = "$netvsc_cls" ] + then + primary=$2 + secondary=$1 + elif [ "$class_id2" = "$netvsc_cls" ] + then + primary=$1 + secondary=$2 + else + return 0 + fi + + echo $'\nBond name:' $bondname + + echo configuring $primary + create_eth_cfg_pri_$distro $primary $bondname + + echo configuring $secondary + create_eth_cfg_$distro $secondary $bondname + + echo creating: $bondname with primary slave: $primary + create_bond_cfg_$distro $bondname $primary $secondary + + let bondcnt=bondcnt+1 +} + +for (( i=0; i < $eth_cnt-1; i++ )) +do + if [ -n "${list_match[$i]}" ] + then + create_bond ${list_eth[$i]} ${list_match[$i]} + fi +done diff --git a/tools/iio/Makefile b/tools/iio/Makefile index 3a7a54f59713..5446d625e17d 100644 --- a/tools/iio/Makefile +++ b/tools/iio/Makefile @@ -1,16 +1,31 @@ CC = $(CROSS_COMPILE)gcc CFLAGS += -Wall -g -D_GNU_SOURCE -all: iio_event_monitor lsiio generic_buffer +BINDIR=usr/bin +INSTALL_PROGRAM=install -m 755 -p +DEL_FILE=rm -f + +all: iio_event_monitor lsiio iio_generic_buffer iio_event_monitor: iio_event_monitor.o iio_utils.o lsiio: lsiio.o iio_utils.o -generic_buffer: generic_buffer.o iio_utils.o +iio_generic_buffer: iio_generic_buffer.o iio_utils.o %.o: %.c iio_utils.h +install: + - mkdir -p $(INSTALL_ROOT)/$(BINDIR) + - $(INSTALL_PROGRAM) "iio_event_monitor" "$(INSTALL_ROOT)/$(BINDIR)/iio_event_monitor" + - $(INSTALL_PROGRAM) "lsiio" "$(INSTALL_ROOT)/$(BINDIR)/lsiio" + - $(INSTALL_PROGRAM) "iio_generic_buffer" "$(INSTALL_ROOT)/$(BINDIR)/iio_generic_buffer" + +uninstall: + $(DEL_FILE) "$(INSTALL_ROOT)/$(BINDIR)/iio_event_monitor" + $(DEL_FILE) "$(INSTALL_ROOT)/$(BINDIR)/lsiio" + $(DEL_FILE) "$(INSTALL_ROOT)/$(BINDIR)/iio_generic_buffer" + .PHONY: clean clean: - rm -f *.o iio_event_monitor lsiio generic_buffer + rm -f *.o iio_event_monitor lsiio iio_generic_buffer diff --git a/tools/iio/generic_buffer.c b/tools/iio/iio_generic_buffer.c index 2429c78de940..0e8a1f7a292d 100644 --- a/tools/iio/generic_buffer.c +++ b/tools/iio/iio_generic_buffer.c @@ -32,6 +32,8 @@ #include <endian.h> #include <getopt.h> #include <inttypes.h> +#include <stdbool.h> +#include <signal.h> #include "iio_utils.h" /** @@ -249,11 +251,82 @@ void print_usage(void) " -e Disable wait for event (new data)\n" " -g Use trigger-less mode\n" " -l <n> Set buffer length to n samples\n" - " -n <name> Set device name (mandatory)\n" - " -t <name> Set trigger name\n" + " --device-name -n <name>\n" + " --device-num -N <num>\n" + " Set device by name or number (mandatory)\n" + " --trigger-name -t <name>\n" + " --trigger-num -T <num>\n" + " Set trigger by name or number\n" " -w <n> Set delay between reads in us (event-less mode)\n"); } +enum autochan autochannels = AUTOCHANNELS_DISABLED; +char *dev_dir_name = NULL; +char *buf_dir_name = NULL; +bool current_trigger_set = false; + +void cleanup(void) +{ + int ret; + + /* Disable trigger */ + if (dev_dir_name && current_trigger_set) { + /* Disconnect the trigger - just write a dummy name. */ + ret = write_sysfs_string("trigger/current_trigger", + dev_dir_name, "NULL"); + if (ret < 0) + fprintf(stderr, "Failed to disable trigger: %s\n", + strerror(-ret)); + current_trigger_set = false; + } + + /* Disable buffer */ + if (buf_dir_name) { + ret = write_sysfs_int("enable", buf_dir_name, 0); + if (ret < 0) + fprintf(stderr, "Failed to disable buffer: %s\n", + strerror(-ret)); + } + + /* Disable channels if auto-enabled */ + if (dev_dir_name && autochannels == AUTOCHANNELS_ACTIVE) { + ret = enable_disable_all_channels(dev_dir_name, 0); + if (ret) + fprintf(stderr, "Failed to disable all channels\n"); + autochannels = AUTOCHANNELS_DISABLED; + } +} + +void sig_handler(int signum) +{ + fprintf(stderr, "Caught signal %d\n", signum); + cleanup(); + exit(-signum); +} + +void register_cleanup(void) +{ + struct sigaction sa = { .sa_handler = sig_handler }; + const int signums[] = { SIGINT, SIGTERM, SIGABRT }; + int ret, i; + + for (i = 0; i < ARRAY_SIZE(signums); ++i) { + ret = sigaction(signums[i], &sa, NULL); + if (ret) { + perror("Failed to register signal handler"); + exit(-1); + } + } +} + +static const struct option longopts[] = { + { "device-name", 1, 0, 'n' }, + { "device-num", 1, 0, 'N' }, + { "trigger-name", 1, 0, 't' }, + { "trigger-num", 1, 0, 'T' }, + { }, +}; + int main(int argc, char **argv) { unsigned long num_loops = 2; @@ -261,26 +334,25 @@ int main(int argc, char **argv) unsigned long buf_len = 128; int ret, c, i, j, toread; - int fp; + int fp = -1; - int num_channels; + int num_channels = 0; char *trigger_name = NULL, *device_name = NULL; - char *dev_dir_name, *buf_dir_name; - int datardytrigger = 1; - char *data; + char *data = NULL; ssize_t read_size; - int dev_num, trig_num; - char *buffer_access; + int dev_num = -1, trig_num = -1; + char *buffer_access = NULL; int scan_size; int noevents = 0; int notrigger = 0; - enum autochan autochannels = AUTOCHANNELS_DISABLED; char *dummy; struct iio_channel_info *channels; - while ((c = getopt(argc, argv, "ac:egl:n:t:w:")) != -1) { + register_cleanup(); + + while ((c = getopt_long(argc, argv, "ac:egl:n:N:t:T:w:", longopts, NULL)) != -1) { switch (c) { case 'a': autochannels = AUTOCHANNELS_ENABLED; @@ -288,8 +360,10 @@ int main(int argc, char **argv) case 'c': errno = 0; num_loops = strtoul(optarg, &dummy, 10); - if (errno) - return -errno; + if (errno) { + ret = -errno; + goto error; + } break; case 'e': @@ -301,49 +375,102 @@ int main(int argc, char **argv) case 'l': errno = 0; buf_len = strtoul(optarg, &dummy, 10); - if (errno) - return -errno; + if (errno) { + ret = -errno; + goto error; + } break; case 'n': - device_name = optarg; + device_name = strdup(optarg); + break; + case 'N': + errno = 0; + dev_num = strtoul(optarg, &dummy, 10); + if (errno) { + ret = -errno; + goto error; + } break; case 't': - trigger_name = optarg; - datardytrigger = 0; + trigger_name = strdup(optarg); break; - case 'w': + case 'T': errno = 0; - timedelay = strtoul(optarg, &dummy, 10); + trig_num = strtoul(optarg, &dummy, 10); if (errno) return -errno; break; + case 'w': + errno = 0; + timedelay = strtoul(optarg, &dummy, 10); + if (errno) { + ret = -errno; + goto error; + } + break; case '?': print_usage(); - return -1; + ret = -1; + goto error; } } - if (!device_name) { - fprintf(stderr, "Device name not set\n"); - print_usage(); - return -1; - } - /* Find the device requested */ - dev_num = find_type_by_name(device_name, "iio:device"); - if (dev_num < 0) { - fprintf(stderr, "Failed to find the %s\n", device_name); - return dev_num; + if (dev_num < 0 && !device_name) { + fprintf(stderr, "Device not set\n"); + print_usage(); + ret = -1; + goto error; + } else if (dev_num >= 0 && device_name) { + fprintf(stderr, "Only one of --device-num or --device-name needs to be set\n"); + print_usage(); + ret = -1; + goto error; + } else if (dev_num < 0) { + dev_num = find_type_by_name(device_name, "iio:device"); + if (dev_num < 0) { + fprintf(stderr, "Failed to find the %s\n", device_name); + ret = dev_num; + goto error; + } } - printf("iio device number being used is %d\n", dev_num); ret = asprintf(&dev_dir_name, "%siio:device%d", iio_dir, dev_num); if (ret < 0) return -ENOMEM; + /* Fetch device_name if specified by number */ + if (!device_name) { + device_name = malloc(IIO_MAX_NAME_LENGTH); + if (!device_name) { + ret = -ENOMEM; + goto error; + } + ret = read_sysfs_string("name", dev_dir_name, device_name); + if (ret < 0) { + fprintf(stderr, "Failed to read name of device %d\n", dev_num); + goto error; + } + } - if (!notrigger) { + if (notrigger) { + printf("trigger-less mode selected\n"); + } if (trig_num >= 0) { + char *trig_dev_name; + ret = asprintf(&trig_dev_name, "%strigger%d", iio_dir, trig_num); + if (ret < 0) { + return -ENOMEM; + } + trigger_name = malloc(IIO_MAX_NAME_LENGTH); + ret = read_sysfs_string("name", trig_dev_name, trigger_name); + free(trig_dev_name); + if (ret < 0) { + fprintf(stderr, "Failed to read trigger%d name from\n", trig_num); + return ret; + } + printf("iio trigger number being used is %d\n", trig_num); + } else { if (!trigger_name) { /* * Build the trigger name. If it is device associated @@ -354,7 +481,7 @@ int main(int argc, char **argv) "%s-dev%d", device_name, dev_num); if (ret < 0) { ret = -ENOMEM; - goto error_free_dev_dir_name; + goto error; } } @@ -367,7 +494,7 @@ int main(int argc, char **argv) "%s-trigger", device_name); if (ret < 0) { ret = -ENOMEM; - goto error_free_dev_dir_name; + goto error; } } @@ -376,12 +503,10 @@ int main(int argc, char **argv) fprintf(stderr, "Failed to find the trigger %s\n", trigger_name); ret = trig_num; - goto error_free_triggername; + goto error; } printf("iio trigger number being used is %d\n", trig_num); - } else { - printf("trigger-less mode selected\n"); } /* @@ -392,7 +517,7 @@ int main(int argc, char **argv) if (ret) { fprintf(stderr, "Problem reading scan element information\n" "diag %s\n", dev_dir_name); - goto error_free_triggername; + goto error; } if (num_channels && autochannels == AUTOCHANNELS_ENABLED) { fprintf(stderr, "Auto-channels selected but some channels " @@ -407,7 +532,7 @@ int main(int argc, char **argv) ret = enable_disable_all_channels(dev_dir_name, 1); if (ret) { fprintf(stderr, "Failed to enable all channels\n"); - goto error_free_triggername; + goto error; } /* This flags that we need to disable the channels again */ @@ -419,12 +544,12 @@ int main(int argc, char **argv) fprintf(stderr, "Problem reading scan element " "information\n" "diag %s\n", dev_dir_name); - goto error_disable_channels; + goto error; } if (!num_channels) { fprintf(stderr, "Still no channels after " "auto-enabling, giving up\n"); - goto error_disable_channels; + goto error; } } @@ -436,7 +561,7 @@ int main(int argc, char **argv) "/*_en or pass -a to autoenable channels and " "try again.\n", dev_dir_name); ret = -ENOENT; - goto error_free_triggername; + goto error; } /* @@ -448,7 +573,7 @@ int main(int argc, char **argv) "%siio:device%d/buffer", iio_dir, dev_num); if (ret < 0) { ret = -ENOMEM; - goto error_free_channels; + goto error; } if (!notrigger) { @@ -463,34 +588,34 @@ int main(int argc, char **argv) if (ret < 0) { fprintf(stderr, "Failed to write current_trigger file\n"); - goto error_free_buf_dir_name; + goto error; } } /* Setup ring buffer parameters */ ret = write_sysfs_int("length", buf_dir_name, buf_len); if (ret < 0) - goto error_free_buf_dir_name; + goto error; /* Enable the buffer */ ret = write_sysfs_int("enable", buf_dir_name, 1); if (ret < 0) { fprintf(stderr, "Failed to enable buffer: %s\n", strerror(-ret)); - goto error_free_buf_dir_name; + goto error; } scan_size = size_from_channelarray(channels, num_channels); data = malloc(scan_size * buf_len); if (!data) { ret = -ENOMEM; - goto error_free_buf_dir_name; + goto error; } ret = asprintf(&buffer_access, "/dev/iio:device%d", dev_num); if (ret < 0) { ret = -ENOMEM; - goto error_free_data; + goto error; } /* Attempt to open non blocking the access dev */ @@ -498,7 +623,7 @@ int main(int argc, char **argv) if (fp == -1) { /* TODO: If it isn't there make the node */ ret = -errno; fprintf(stderr, "Failed to open %s\n", buffer_access); - goto error_free_buffer_access; + goto error; } for (j = 0; j < num_loops; j++) { @@ -511,7 +636,7 @@ int main(int argc, char **argv) ret = poll(&pfd, 1, -1); if (ret < 0) { ret = -errno; - goto error_close_buffer_access; + goto error; } else if (ret == 0) { continue; } @@ -536,45 +661,21 @@ int main(int argc, char **argv) num_channels); } - /* Stop the buffer */ - ret = write_sysfs_int("enable", buf_dir_name, 0); - if (ret < 0) - goto error_close_buffer_access; +error: + cleanup(); - if (!notrigger) - /* Disconnect the trigger - just write a dummy name. */ - ret = write_sysfs_string("trigger/current_trigger", - dev_dir_name, "NULL"); - if (ret < 0) - fprintf(stderr, "Failed to write to %s\n", - dev_dir_name); - -error_close_buffer_access: - if (close(fp) == -1) + if (fp >= 0 && close(fp) == -1) perror("Failed to close buffer"); - -error_free_buffer_access: free(buffer_access); -error_free_data: free(data); -error_free_buf_dir_name: free(buf_dir_name); -error_free_channels: for (i = num_channels - 1; i >= 0; i--) { free(channels[i].name); free(channels[i].generic_name); } free(channels); -error_free_triggername: - if (datardytrigger) - free(trigger_name); -error_disable_channels: - if (autochannels == AUTOCHANNELS_ACTIVE) { - ret = enable_disable_all_channels(dev_dir_name, 0); - if (ret) - fprintf(stderr, "Failed to disable all channels\n"); - } -error_free_dev_dir_name: + free(trigger_name); + free(device_name); free(dev_dir_name); return ret; diff --git a/tools/include/asm-generic/bitops/__ffs.h b/tools/include/asm-generic/bitops/__ffs.h index c94175015a82..b3accfdf24b9 100644 --- a/tools/include/asm-generic/bitops/__ffs.h +++ b/tools/include/asm-generic/bitops/__ffs.h @@ -2,6 +2,7 @@ #define _TOOLS_LINUX_ASM_GENERIC_BITOPS___FFS_H_ #include <asm/types.h> +#include <asm/bitsperlong.h> /** * __ffs - find first bit in word. diff --git a/tools/include/asm-generic/bitops/__fls.h b/tools/include/asm-generic/bitops/__fls.h index 494c9c615d1c..a60a7ccb6782 100644 --- a/tools/include/asm-generic/bitops/__fls.h +++ b/tools/include/asm-generic/bitops/__fls.h @@ -1 +1,43 @@ -#include "../../../../include/asm-generic/bitops/__fls.h" +#ifndef _ASM_GENERIC_BITOPS___FLS_H_ +#define _ASM_GENERIC_BITOPS___FLS_H_ + +#include <asm/types.h> + +/** + * __fls - find last (most-significant) set bit in a long word + * @word: the word to search + * + * Undefined if no set bit exists, so code should check against 0 first. + */ +static __always_inline unsigned long __fls(unsigned long word) +{ + int num = BITS_PER_LONG - 1; + +#if BITS_PER_LONG == 64 + if (!(word & (~0ul << 32))) { + num -= 32; + word <<= 32; + } +#endif + if (!(word & (~0ul << (BITS_PER_LONG-16)))) { + num -= 16; + word <<= 16; + } + if (!(word & (~0ul << (BITS_PER_LONG-8)))) { + num -= 8; + word <<= 8; + } + if (!(word & (~0ul << (BITS_PER_LONG-4)))) { + num -= 4; + word <<= 4; + } + if (!(word & (~0ul << (BITS_PER_LONG-2)))) { + num -= 2; + word <<= 2; + } + if (!(word & (~0ul << (BITS_PER_LONG-1)))) + num -= 1; + return num; +} + +#endif /* _ASM_GENERIC_BITOPS___FLS_H_ */ diff --git a/tools/include/asm-generic/bitops/arch_hweight.h b/tools/include/asm-generic/bitops/arch_hweight.h index 318bb2b202b0..6a211f40665c 100644 --- a/tools/include/asm-generic/bitops/arch_hweight.h +++ b/tools/include/asm-generic/bitops/arch_hweight.h @@ -1 +1,25 @@ -#include "../../../../include/asm-generic/bitops/arch_hweight.h" +#ifndef _ASM_GENERIC_BITOPS_ARCH_HWEIGHT_H_ +#define _ASM_GENERIC_BITOPS_ARCH_HWEIGHT_H_ + +#include <asm/types.h> + +static inline unsigned int __arch_hweight32(unsigned int w) +{ + return __sw_hweight32(w); +} + +static inline unsigned int __arch_hweight16(unsigned int w) +{ + return __sw_hweight16(w); +} + +static inline unsigned int __arch_hweight8(unsigned int w) +{ + return __sw_hweight8(w); +} + +static inline unsigned long __arch_hweight64(__u64 w) +{ + return __sw_hweight64(w); +} +#endif /* _ASM_GENERIC_BITOPS_HWEIGHT_H_ */ diff --git a/tools/include/asm-generic/bitops/atomic.h b/tools/include/asm-generic/bitops/atomic.h index 4bccd7c3d5d6..18663f59d72f 100644 --- a/tools/include/asm-generic/bitops/atomic.h +++ b/tools/include/asm-generic/bitops/atomic.h @@ -2,6 +2,7 @@ #define _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_ #include <asm/types.h> +#include <asm/bitsperlong.h> static inline void set_bit(int nr, unsigned long *addr) { diff --git a/tools/include/asm-generic/bitops/const_hweight.h b/tools/include/asm-generic/bitops/const_hweight.h index 0afd644aff83..0a7e06623470 100644 --- a/tools/include/asm-generic/bitops/const_hweight.h +++ b/tools/include/asm-generic/bitops/const_hweight.h @@ -1 +1,43 @@ -#include "../../../../include/asm-generic/bitops/const_hweight.h" +#ifndef _ASM_GENERIC_BITOPS_CONST_HWEIGHT_H_ +#define _ASM_GENERIC_BITOPS_CONST_HWEIGHT_H_ + +/* + * Compile time versions of __arch_hweightN() + */ +#define __const_hweight8(w) \ + ((unsigned int) \ + ((!!((w) & (1ULL << 0))) + \ + (!!((w) & (1ULL << 1))) + \ + (!!((w) & (1ULL << 2))) + \ + (!!((w) & (1ULL << 3))) + \ + (!!((w) & (1ULL << 4))) + \ + (!!((w) & (1ULL << 5))) + \ + (!!((w) & (1ULL << 6))) + \ + (!!((w) & (1ULL << 7))))) + +#define __const_hweight16(w) (__const_hweight8(w) + __const_hweight8((w) >> 8 )) +#define __const_hweight32(w) (__const_hweight16(w) + __const_hweight16((w) >> 16)) +#define __const_hweight64(w) (__const_hweight32(w) + __const_hweight32((w) >> 32)) + +/* + * Generic interface. + */ +#define hweight8(w) (__builtin_constant_p(w) ? __const_hweight8(w) : __arch_hweight8(w)) +#define hweight16(w) (__builtin_constant_p(w) ? __const_hweight16(w) : __arch_hweight16(w)) +#define hweight32(w) (__builtin_constant_p(w) ? __const_hweight32(w) : __arch_hweight32(w)) +#define hweight64(w) (__builtin_constant_p(w) ? __const_hweight64(w) : __arch_hweight64(w)) + +/* + * Interface for known constant arguments + */ +#define HWEIGHT8(w) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight8(w)) +#define HWEIGHT16(w) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight16(w)) +#define HWEIGHT32(w) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight32(w)) +#define HWEIGHT64(w) (BUILD_BUG_ON_ZERO(!__builtin_constant_p(w)) + __const_hweight64(w)) + +/* + * Type invariant interface to the compile time constant hweight functions. + */ +#define HWEIGHT(w) HWEIGHT64((u64)w) + +#endif /* _ASM_GENERIC_BITOPS_CONST_HWEIGHT_H_ */ diff --git a/tools/include/asm-generic/bitops/fls.h b/tools/include/asm-generic/bitops/fls.h index 0e4995fa0248..0576d1f42f43 100644 --- a/tools/include/asm-generic/bitops/fls.h +++ b/tools/include/asm-generic/bitops/fls.h @@ -1 +1,41 @@ -#include "../../../../include/asm-generic/bitops/fls.h" +#ifndef _ASM_GENERIC_BITOPS_FLS_H_ +#define _ASM_GENERIC_BITOPS_FLS_H_ + +/** + * fls - find last (most-significant) bit set + * @x: the word to search + * + * This is defined the same way as ffs. + * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32. + */ + +static __always_inline int fls(int x) +{ + int r = 32; + + if (!x) + return 0; + if (!(x & 0xffff0000u)) { + x <<= 16; + r -= 16; + } + if (!(x & 0xff000000u)) { + x <<= 8; + r -= 8; + } + if (!(x & 0xf0000000u)) { + x <<= 4; + r -= 4; + } + if (!(x & 0xc0000000u)) { + x <<= 2; + r -= 2; + } + if (!(x & 0x80000000u)) { + x <<= 1; + r -= 1; + } + return r; +} + +#endif /* _ASM_GENERIC_BITOPS_FLS_H_ */ diff --git a/tools/include/asm-generic/bitops/fls64.h b/tools/include/asm-generic/bitops/fls64.h index 35bee0071e78..b097cf8444e3 100644 --- a/tools/include/asm-generic/bitops/fls64.h +++ b/tools/include/asm-generic/bitops/fls64.h @@ -1 +1,36 @@ -#include "../../../../include/asm-generic/bitops/fls64.h" +#ifndef _ASM_GENERIC_BITOPS_FLS64_H_ +#define _ASM_GENERIC_BITOPS_FLS64_H_ + +#include <asm/types.h> + +/** + * fls64 - find last set bit in a 64-bit word + * @x: the word to search + * + * This is defined in a similar way as the libc and compiler builtin + * ffsll, but returns the position of the most significant set bit. + * + * fls64(value) returns 0 if value is 0 or the position of the last + * set bit if value is nonzero. The last (most significant) bit is + * at position 64. + */ +#if BITS_PER_LONG == 32 +static __always_inline int fls64(__u64 x) +{ + __u32 h = x >> 32; + if (h) + return fls(h) + 32; + return fls(x); +} +#elif BITS_PER_LONG == 64 +static __always_inline int fls64(__u64 x) +{ + if (x == 0) + return 0; + return __fls(x) + 1; +} +#else +#error BITS_PER_LONG not 32 or 64 +#endif + +#endif /* _ASM_GENERIC_BITOPS_FLS64_H_ */ diff --git a/tools/include/asm-generic/bitsperlong.h b/tools/include/asm-generic/bitsperlong.h new file mode 100644 index 000000000000..45eca517efb3 --- /dev/null +++ b/tools/include/asm-generic/bitsperlong.h @@ -0,0 +1,20 @@ +#ifndef __ASM_GENERIC_BITS_PER_LONG +#define __ASM_GENERIC_BITS_PER_LONG + +#include <uapi/asm-generic/bitsperlong.h> + +#ifdef __SIZEOF_LONG__ +#define BITS_PER_LONG (__CHAR_BIT__ * __SIZEOF_LONG__) +#else +#define BITS_PER_LONG __WORDSIZE +#endif + +#if BITS_PER_LONG != __BITS_PER_LONG +#error Inconsistent word size. Check asm/bitsperlong.h +#endif + +#ifndef BITS_PER_LONG_LONG +#define BITS_PER_LONG_LONG 64 +#endif + +#endif /* __ASM_GENERIC_BITS_PER_LONG */ diff --git a/tools/perf/util/include/asm/alternative-asm.h b/tools/include/asm/alternative-asm.h index 3a3a0f16456a..2a4d1bfa2988 100644 --- a/tools/perf/util/include/asm/alternative-asm.h +++ b/tools/include/asm/alternative-asm.h @@ -1,5 +1,5 @@ -#ifndef _PERF_ASM_ALTERNATIVE_ASM_H -#define _PERF_ASM_ALTERNATIVE_ASM_H +#ifndef _TOOLS_ASM_ALTERNATIVE_ASM_H +#define _TOOLS_ASM_ALTERNATIVE_ASM_H /* Just disable it so we can build arch/x86/lib/memcpy_64.S for perf bench: */ diff --git a/tools/include/linux/bitops.h b/tools/include/linux/bitops.h index 5ad9ee1dd7f6..49c929a104ee 100644 --- a/tools/include/linux/bitops.h +++ b/tools/include/linux/bitops.h @@ -9,7 +9,9 @@ #define __WORDSIZE (__SIZEOF_LONG__ * 8) #endif -#define BITS_PER_LONG __WORDSIZE +#ifndef BITS_PER_LONG +# define BITS_PER_LONG __WORDSIZE +#endif #define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) #define BIT_WORD(nr) ((nr) / BITS_PER_LONG) diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h index fa7208a32d76..e33fc1df3935 100644 --- a/tools/include/linux/compiler.h +++ b/tools/include/linux/compiler.h @@ -9,6 +9,17 @@ # define __always_inline inline __attribute__((always_inline)) #endif +#ifdef __ANDROID__ +/* + * FIXME: Big hammer to get rid of tons of: + * "warning: always_inline function might not be inlinable" + * + * At least on android-ndk-r12/platforms/android-24/arch-arm + */ +#undef __always_inline +#define __always_inline inline +#endif + #define __user #ifndef __attribute_const__ diff --git a/tools/include/linux/hash.h b/tools/include/linux/hash.h index d026c6573018..ad6fa21d977b 100644 --- a/tools/include/linux/hash.h +++ b/tools/include/linux/hash.h @@ -1,5 +1,104 @@ -#include "../../../include/linux/hash.h" +#ifndef _LINUX_HASH_H +#define _LINUX_HASH_H +/* Fast hashing routine for ints, longs and pointers. + (C) 2002 Nadia Yvette Chambers, IBM */ -#ifndef _TOOLS_LINUX_HASH_H -#define _TOOLS_LINUX_HASH_H +#include <asm/types.h> +#include <linux/compiler.h> + +/* + * The "GOLDEN_RATIO_PRIME" is used in ifs/btrfs/brtfs_inode.h and + * fs/inode.c. It's not actually prime any more (the previous primes + * were actively bad for hashing), but the name remains. + */ +#if BITS_PER_LONG == 32 +#define GOLDEN_RATIO_PRIME GOLDEN_RATIO_32 +#define hash_long(val, bits) hash_32(val, bits) +#elif BITS_PER_LONG == 64 +#define hash_long(val, bits) hash_64(val, bits) +#define GOLDEN_RATIO_PRIME GOLDEN_RATIO_64 +#else +#error Wordsize not 32 or 64 +#endif + +/* + * This hash multiplies the input by a large odd number and takes the + * high bits. Since multiplication propagates changes to the most + * significant end only, it is essential that the high bits of the + * product be used for the hash value. + * + * Chuck Lever verified the effectiveness of this technique: + * http://www.citi.umich.edu/techreports/reports/citi-tr-00-1.pdf + * + * Although a random odd number will do, it turns out that the golden + * ratio phi = (sqrt(5)-1)/2, or its negative, has particularly nice + * properties. (See Knuth vol 3, section 6.4, exercise 9.) + * + * These are the negative, (1 - phi) = phi**2 = (3 - sqrt(5))/2, + * which is very slightly easier to multiply by and makes no + * difference to the hash distribution. + */ +#define GOLDEN_RATIO_32 0x61C88647 +#define GOLDEN_RATIO_64 0x61C8864680B583EBull + +#ifdef CONFIG_HAVE_ARCH_HASH +/* This header may use the GOLDEN_RATIO_xx constants */ +#include <asm/hash.h> +#endif + +/* + * The _generic versions exist only so lib/test_hash.c can compare + * the arch-optimized versions with the generic. + * + * Note that if you change these, any <asm/hash.h> that aren't updated + * to match need to have their HAVE_ARCH_* define values updated so the + * self-test will not false-positive. + */ +#ifndef HAVE_ARCH__HASH_32 +#define __hash_32 __hash_32_generic +#endif +static inline u32 __hash_32_generic(u32 val) +{ + return val * GOLDEN_RATIO_32; +} + +#ifndef HAVE_ARCH_HASH_32 +#define hash_32 hash_32_generic #endif +static inline u32 hash_32_generic(u32 val, unsigned int bits) +{ + /* High bits are more random, so use them. */ + return __hash_32(val) >> (32 - bits); +} + +#ifndef HAVE_ARCH_HASH_64 +#define hash_64 hash_64_generic +#endif +static __always_inline u32 hash_64_generic(u64 val, unsigned int bits) +{ +#if BITS_PER_LONG == 64 + /* 64x64-bit multiply is efficient on all 64-bit processors */ + return val * GOLDEN_RATIO_64 >> (64 - bits); +#else + /* Hash 64 bits using only 32x32-bit multiply. */ + return hash_32((u32)val ^ __hash_32(val >> 32), bits); +#endif +} + +static inline u32 hash_ptr(const void *ptr, unsigned int bits) +{ + return hash_long((unsigned long)ptr, bits); +} + +/* This really should be called fold32_ptr; it does no hashing to speak of. */ +static inline u32 hash32_ptr(const void *ptr) +{ + unsigned long val = (unsigned long)ptr; + +#if BITS_PER_LONG == 64 + val ^= (val >> 32); +#endif + return (u32)val; +} + +#endif /* _LINUX_HASH_H */ diff --git a/tools/include/linux/kernel.h b/tools/include/linux/kernel.h index 76df53539c2a..28607db02bd3 100644 --- a/tools/include/linux/kernel.h +++ b/tools/include/linux/kernel.h @@ -2,8 +2,7 @@ #define __TOOLS_LINUX_KERNEL_H #include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> +#include <stddef.h> #include <assert.h> #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) @@ -70,29 +69,8 @@ #define cpu_to_le64(x) (x) #define cpu_to_le32(x) (x) -static inline int -vscnprintf(char *buf, size_t size, const char *fmt, va_list args) -{ - int i; - ssize_t ssize = size; - - i = vsnprintf(buf, size, fmt, args); - - return (i >= ssize) ? (ssize - 1) : i; -} - -static inline int scnprintf(char * buf, size_t size, const char * fmt, ...) -{ - va_list args; - ssize_t ssize = size; - int i; - - va_start(args, fmt); - i = vsnprintf(buf, size, fmt, args); - va_end(args); - - return (i >= ssize) ? (ssize - 1) : i; -} +int vscnprintf(char *buf, size_t size, const char *fmt, va_list args); +int scnprintf(char * buf, size_t size, const char * fmt, ...); /* * This looks more complex than it should be. But we need to diff --git a/tools/include/linux/poison.h b/tools/include/linux/poison.h index 0c27bdf14233..51334edec506 100644 --- a/tools/include/linux/poison.h +++ b/tools/include/linux/poison.h @@ -1 +1,90 @@ -#include "../../../include/linux/poison.h" +#ifndef _LINUX_POISON_H +#define _LINUX_POISON_H + +/********** include/linux/list.h **********/ + +/* + * Architectures might want to move the poison pointer offset + * into some well-recognized area such as 0xdead000000000000, + * that is also not mappable by user-space exploits: + */ +#ifdef CONFIG_ILLEGAL_POINTER_VALUE +# define POISON_POINTER_DELTA _AC(CONFIG_ILLEGAL_POINTER_VALUE, UL) +#else +# define POISON_POINTER_DELTA 0 +#endif + +/* + * These are non-NULL pointers that will result in page faults + * under normal circumstances, used to verify that nobody uses + * non-initialized list entries. + */ +#define LIST_POISON1 ((void *) 0x100 + POISON_POINTER_DELTA) +#define LIST_POISON2 ((void *) 0x200 + POISON_POINTER_DELTA) + +/********** include/linux/timer.h **********/ +/* + * Magic number "tsta" to indicate a static timer initializer + * for the object debugging code. + */ +#define TIMER_ENTRY_STATIC ((void *) 0x300 + POISON_POINTER_DELTA) + +/********** mm/debug-pagealloc.c **********/ +#ifdef CONFIG_PAGE_POISONING_ZERO +#define PAGE_POISON 0x00 +#else +#define PAGE_POISON 0xaa +#endif + +/********** mm/page_alloc.c ************/ + +#define TAIL_MAPPING ((void *) 0x400 + POISON_POINTER_DELTA) + +/********** mm/slab.c **********/ +/* + * Magic nums for obj red zoning. + * Placed in the first word before and the first word after an obj. + */ +#define RED_INACTIVE 0x09F911029D74E35BULL /* when obj is inactive */ +#define RED_ACTIVE 0xD84156C5635688C0ULL /* when obj is active */ + +#define SLUB_RED_INACTIVE 0xbb +#define SLUB_RED_ACTIVE 0xcc + +/* ...and for poisoning */ +#define POISON_INUSE 0x5a /* for use-uninitialised poisoning */ +#define POISON_FREE 0x6b /* for use-after-free poisoning */ +#define POISON_END 0xa5 /* end-byte of poisoning */ + +/********** arch/$ARCH/mm/init.c **********/ +#define POISON_FREE_INITMEM 0xcc + +/********** arch/ia64/hp/common/sba_iommu.c **********/ +/* + * arch/ia64/hp/common/sba_iommu.c uses a 16-byte poison string with a + * value of "SBAIOMMU POISON\0" for spill-over poisoning. + */ + +/********** fs/jbd/journal.c **********/ +#define JBD_POISON_FREE 0x5b +#define JBD2_POISON_FREE 0x5c + +/********** drivers/base/dmapool.c **********/ +#define POOL_POISON_FREED 0xa7 /* !inuse */ +#define POOL_POISON_ALLOCATED 0xa9 /* !initted */ + +/********** drivers/atm/ **********/ +#define ATM_POISON_FREE 0x12 +#define ATM_POISON 0xdeadbeef + +/********** kernel/mutexes **********/ +#define MUTEX_DEBUG_INIT 0x11 +#define MUTEX_DEBUG_FREE 0x22 + +/********** lib/flex_array.c **********/ +#define FLEX_ARRAY_FREE 0x6c /* for use-after-free poisoning */ + +/********** security/ **********/ +#define KEY_DESTROY 0xbd + +#endif diff --git a/tools/include/linux/string.h b/tools/include/linux/string.h index e26223f1f287..b96879477311 100644 --- a/tools/include/linux/string.h +++ b/tools/include/linux/string.h @@ -8,8 +8,10 @@ void *memdup(const void *src, size_t len); int strtobool(const char *s, bool *res); -#ifndef __UCLIBC__ +#ifdef __GLIBC__ extern size_t strlcpy(char *dest, const char *src, size_t size); #endif +char *str_error_r(int errnum, char *buf, size_t buflen); + #endif /* _LINUX_STRING_H_ */ diff --git a/tools/include/uapi/asm-generic/bitsperlong.h b/tools/include/uapi/asm-generic/bitsperlong.h new file mode 100644 index 000000000000..23e6c416b85f --- /dev/null +++ b/tools/include/uapi/asm-generic/bitsperlong.h @@ -0,0 +1,15 @@ +#ifndef _UAPI__ASM_GENERIC_BITS_PER_LONG +#define _UAPI__ASM_GENERIC_BITS_PER_LONG + +/* + * There seems to be no way of detecting this automatically from user + * space, so 64 bit architectures should override this in their + * bitsperlong.h. In particular, an architecture that supports + * both 32 and 64 bit user space must not rely on CONFIG_64BIT + * to decide it, but rather check a compiler provided macro. + */ +#ifndef __BITS_PER_LONG +#define __BITS_PER_LONG 32 +#endif + +#endif /* _UAPI__ASM_GENERIC_BITS_PER_LONG */ diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h new file mode 100644 index 000000000000..406459b935a2 --- /dev/null +++ b/tools/include/uapi/linux/bpf.h @@ -0,0 +1,389 @@ +/* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation. + */ +#ifndef _UAPI__LINUX_BPF_H__ +#define _UAPI__LINUX_BPF_H__ + +#include <linux/types.h> +#include <linux/bpf_common.h> + +/* Extended instruction set based on top of classic BPF */ + +/* instruction classes */ +#define BPF_ALU64 0x07 /* alu mode in double word width */ + +/* ld/ldx fields */ +#define BPF_DW 0x18 /* double word */ +#define BPF_XADD 0xc0 /* exclusive add */ + +/* alu/jmp fields */ +#define BPF_MOV 0xb0 /* mov reg to reg */ +#define BPF_ARSH 0xc0 /* sign extending arithmetic shift right */ + +/* change endianness of a register */ +#define BPF_END 0xd0 /* flags for endianness conversion: */ +#define BPF_TO_LE 0x00 /* convert to little-endian */ +#define BPF_TO_BE 0x08 /* convert to big-endian */ +#define BPF_FROM_LE BPF_TO_LE +#define BPF_FROM_BE BPF_TO_BE + +#define BPF_JNE 0x50 /* jump != */ +#define BPF_JSGT 0x60 /* SGT is signed '>', GT in x86 */ +#define BPF_JSGE 0x70 /* SGE is signed '>=', GE in x86 */ +#define BPF_CALL 0x80 /* function call */ +#define BPF_EXIT 0x90 /* function return */ + +/* Register numbers */ +enum { + BPF_REG_0 = 0, + BPF_REG_1, + BPF_REG_2, + BPF_REG_3, + BPF_REG_4, + BPF_REG_5, + BPF_REG_6, + BPF_REG_7, + BPF_REG_8, + BPF_REG_9, + BPF_REG_10, + __MAX_BPF_REG, +}; + +/* BPF has 10 general purpose 64-bit registers and stack frame. */ +#define MAX_BPF_REG __MAX_BPF_REG + +struct bpf_insn { + __u8 code; /* opcode */ + __u8 dst_reg:4; /* dest register */ + __u8 src_reg:4; /* source register */ + __s16 off; /* signed offset */ + __s32 imm; /* signed immediate constant */ +}; + +/* BPF syscall commands, see bpf(2) man-page for details. */ +enum bpf_cmd { + BPF_MAP_CREATE, + BPF_MAP_LOOKUP_ELEM, + BPF_MAP_UPDATE_ELEM, + BPF_MAP_DELETE_ELEM, + BPF_MAP_GET_NEXT_KEY, + BPF_PROG_LOAD, + BPF_OBJ_PIN, + BPF_OBJ_GET, +}; + +enum bpf_map_type { + BPF_MAP_TYPE_UNSPEC, + BPF_MAP_TYPE_HASH, + BPF_MAP_TYPE_ARRAY, + BPF_MAP_TYPE_PROG_ARRAY, + BPF_MAP_TYPE_PERF_EVENT_ARRAY, + BPF_MAP_TYPE_PERCPU_HASH, + BPF_MAP_TYPE_PERCPU_ARRAY, + BPF_MAP_TYPE_STACK_TRACE, +}; + +enum bpf_prog_type { + BPF_PROG_TYPE_UNSPEC, + BPF_PROG_TYPE_SOCKET_FILTER, + BPF_PROG_TYPE_KPROBE, + BPF_PROG_TYPE_SCHED_CLS, + BPF_PROG_TYPE_SCHED_ACT, + BPF_PROG_TYPE_TRACEPOINT, +}; + +#define BPF_PSEUDO_MAP_FD 1 + +/* flags for BPF_MAP_UPDATE_ELEM command */ +#define BPF_ANY 0 /* create new element or update existing */ +#define BPF_NOEXIST 1 /* create new element if it didn't exist */ +#define BPF_EXIST 2 /* update existing element */ + +#define BPF_F_NO_PREALLOC (1U << 0) + +union bpf_attr { + struct { /* anonymous struct used by BPF_MAP_CREATE command */ + __u32 map_type; /* one of enum bpf_map_type */ + __u32 key_size; /* size of key in bytes */ + __u32 value_size; /* size of value in bytes */ + __u32 max_entries; /* max number of entries in a map */ + __u32 map_flags; /* prealloc or not */ + }; + + struct { /* anonymous struct used by BPF_MAP_*_ELEM commands */ + __u32 map_fd; + __aligned_u64 key; + union { + __aligned_u64 value; + __aligned_u64 next_key; + }; + __u64 flags; + }; + + struct { /* anonymous struct used by BPF_PROG_LOAD command */ + __u32 prog_type; /* one of enum bpf_prog_type */ + __u32 insn_cnt; + __aligned_u64 insns; + __aligned_u64 license; + __u32 log_level; /* verbosity level of verifier */ + __u32 log_size; /* size of user buffer */ + __aligned_u64 log_buf; /* user supplied buffer */ + __u32 kern_version; /* checked when prog_type=kprobe */ + }; + + struct { /* anonymous struct used by BPF_OBJ_* commands */ + __aligned_u64 pathname; + __u32 bpf_fd; + }; +} __attribute__((aligned(8))); + +/* integer value in 'imm' field of BPF_CALL instruction selects which helper + * function eBPF program intends to call + */ +enum bpf_func_id { + BPF_FUNC_unspec, + BPF_FUNC_map_lookup_elem, /* void *map_lookup_elem(&map, &key) */ + BPF_FUNC_map_update_elem, /* int map_update_elem(&map, &key, &value, flags) */ + BPF_FUNC_map_delete_elem, /* int map_delete_elem(&map, &key) */ + BPF_FUNC_probe_read, /* int bpf_probe_read(void *dst, int size, void *src) */ + BPF_FUNC_ktime_get_ns, /* u64 bpf_ktime_get_ns(void) */ + BPF_FUNC_trace_printk, /* int bpf_trace_printk(const char *fmt, int fmt_size, ...) */ + BPF_FUNC_get_prandom_u32, /* u32 prandom_u32(void) */ + BPF_FUNC_get_smp_processor_id, /* u32 raw_smp_processor_id(void) */ + + /** + * skb_store_bytes(skb, offset, from, len, flags) - store bytes into packet + * @skb: pointer to skb + * @offset: offset within packet from skb->mac_header + * @from: pointer where to copy bytes from + * @len: number of bytes to store into packet + * @flags: bit 0 - if true, recompute skb->csum + * other bits - reserved + * Return: 0 on success + */ + BPF_FUNC_skb_store_bytes, + + /** + * l3_csum_replace(skb, offset, from, to, flags) - recompute IP checksum + * @skb: pointer to skb + * @offset: offset within packet where IP checksum is located + * @from: old value of header field + * @to: new value of header field + * @flags: bits 0-3 - size of header field + * other bits - reserved + * Return: 0 on success + */ + BPF_FUNC_l3_csum_replace, + + /** + * l4_csum_replace(skb, offset, from, to, flags) - recompute TCP/UDP checksum + * @skb: pointer to skb + * @offset: offset within packet where TCP/UDP checksum is located + * @from: old value of header field + * @to: new value of header field + * @flags: bits 0-3 - size of header field + * bit 4 - is pseudo header + * other bits - reserved + * Return: 0 on success + */ + BPF_FUNC_l4_csum_replace, + + /** + * bpf_tail_call(ctx, prog_array_map, index) - jump into another BPF program + * @ctx: context pointer passed to next program + * @prog_array_map: pointer to map which type is BPF_MAP_TYPE_PROG_ARRAY + * @index: index inside array that selects specific program to run + * Return: 0 on success + */ + BPF_FUNC_tail_call, + + /** + * bpf_clone_redirect(skb, ifindex, flags) - redirect to another netdev + * @skb: pointer to skb + * @ifindex: ifindex of the net device + * @flags: bit 0 - if set, redirect to ingress instead of egress + * other bits - reserved + * Return: 0 on success + */ + BPF_FUNC_clone_redirect, + + /** + * u64 bpf_get_current_pid_tgid(void) + * Return: current->tgid << 32 | current->pid + */ + BPF_FUNC_get_current_pid_tgid, + + /** + * u64 bpf_get_current_uid_gid(void) + * Return: current_gid << 32 | current_uid + */ + BPF_FUNC_get_current_uid_gid, + + /** + * bpf_get_current_comm(char *buf, int size_of_buf) + * stores current->comm into buf + * Return: 0 on success + */ + BPF_FUNC_get_current_comm, + + /** + * bpf_get_cgroup_classid(skb) - retrieve a proc's classid + * @skb: pointer to skb + * Return: classid if != 0 + */ + BPF_FUNC_get_cgroup_classid, + BPF_FUNC_skb_vlan_push, /* bpf_skb_vlan_push(skb, vlan_proto, vlan_tci) */ + BPF_FUNC_skb_vlan_pop, /* bpf_skb_vlan_pop(skb) */ + + /** + * bpf_skb_[gs]et_tunnel_key(skb, key, size, flags) + * retrieve or populate tunnel metadata + * @skb: pointer to skb + * @key: pointer to 'struct bpf_tunnel_key' + * @size: size of 'struct bpf_tunnel_key' + * @flags: room for future extensions + * Retrun: 0 on success + */ + BPF_FUNC_skb_get_tunnel_key, + BPF_FUNC_skb_set_tunnel_key, + BPF_FUNC_perf_event_read, /* u64 bpf_perf_event_read(&map, index) */ + /** + * bpf_redirect(ifindex, flags) - redirect to another netdev + * @ifindex: ifindex of the net device + * @flags: bit 0 - if set, redirect to ingress instead of egress + * other bits - reserved + * Return: TC_ACT_REDIRECT + */ + BPF_FUNC_redirect, + + /** + * bpf_get_route_realm(skb) - retrieve a dst's tclassid + * @skb: pointer to skb + * Return: realm if != 0 + */ + BPF_FUNC_get_route_realm, + + /** + * bpf_perf_event_output(ctx, map, index, data, size) - output perf raw sample + * @ctx: struct pt_regs* + * @map: pointer to perf_event_array map + * @index: index of event in the map + * @data: data on stack to be output as raw data + * @size: size of data + * Return: 0 on success + */ + BPF_FUNC_perf_event_output, + BPF_FUNC_skb_load_bytes, + + /** + * bpf_get_stackid(ctx, map, flags) - walk user or kernel stack and return id + * @ctx: struct pt_regs* + * @map: pointer to stack_trace map + * @flags: bits 0-7 - numer of stack frames to skip + * bit 8 - collect user stack instead of kernel + * bit 9 - compare stacks by hash only + * bit 10 - if two different stacks hash into the same stackid + * discard old + * other bits - reserved + * Return: >= 0 stackid on success or negative error + */ + BPF_FUNC_get_stackid, + + /** + * bpf_csum_diff(from, from_size, to, to_size, seed) - calculate csum diff + * @from: raw from buffer + * @from_size: length of from buffer + * @to: raw to buffer + * @to_size: length of to buffer + * @seed: optional seed + * Return: csum result + */ + BPF_FUNC_csum_diff, + + /** + * bpf_skb_[gs]et_tunnel_opt(skb, opt, size) + * retrieve or populate tunnel options metadata + * @skb: pointer to skb + * @opt: pointer to raw tunnel option data + * @size: size of @opt + * Return: 0 on success for set, option size for get + */ + BPF_FUNC_skb_get_tunnel_opt, + BPF_FUNC_skb_set_tunnel_opt, + __BPF_FUNC_MAX_ID, +}; + +/* All flags used by eBPF helper functions, placed here. */ + +/* BPF_FUNC_skb_store_bytes flags. */ +#define BPF_F_RECOMPUTE_CSUM (1ULL << 0) +#define BPF_F_INVALIDATE_HASH (1ULL << 1) + +/* BPF_FUNC_l3_csum_replace and BPF_FUNC_l4_csum_replace flags. + * First 4 bits are for passing the header field size. + */ +#define BPF_F_HDR_FIELD_MASK 0xfULL + +/* BPF_FUNC_l4_csum_replace flags. */ +#define BPF_F_PSEUDO_HDR (1ULL << 4) +#define BPF_F_MARK_MANGLED_0 (1ULL << 5) + +/* BPF_FUNC_clone_redirect and BPF_FUNC_redirect flags. */ +#define BPF_F_INGRESS (1ULL << 0) + +/* BPF_FUNC_skb_set_tunnel_key and BPF_FUNC_skb_get_tunnel_key flags. */ +#define BPF_F_TUNINFO_IPV6 (1ULL << 0) + +/* BPF_FUNC_get_stackid flags. */ +#define BPF_F_SKIP_FIELD_MASK 0xffULL +#define BPF_F_USER_STACK (1ULL << 8) +#define BPF_F_FAST_STACK_CMP (1ULL << 9) +#define BPF_F_REUSE_STACKID (1ULL << 10) + +/* BPF_FUNC_skb_set_tunnel_key flags. */ +#define BPF_F_ZERO_CSUM_TX (1ULL << 1) +#define BPF_F_DONT_FRAGMENT (1ULL << 2) + +/* BPF_FUNC_perf_event_output flags. */ +#define BPF_F_INDEX_MASK 0xffffffffULL +#define BPF_F_CURRENT_CPU BPF_F_INDEX_MASK + +/* user accessible mirror of in-kernel sk_buff. + * new fields can only be added to the end of this structure + */ +struct __sk_buff { + __u32 len; + __u32 pkt_type; + __u32 mark; + __u32 queue_mapping; + __u32 protocol; + __u32 vlan_present; + __u32 vlan_tci; + __u32 vlan_proto; + __u32 priority; + __u32 ingress_ifindex; + __u32 ifindex; + __u32 tc_index; + __u32 cb[5]; + __u32 hash; + __u32 tc_classid; + __u32 data; + __u32 data_end; +}; + +struct bpf_tunnel_key { + __u32 tunnel_id; + union { + __u32 remote_ipv4; + __u32 remote_ipv6[4]; + }; + __u8 tunnel_tos; + __u8 tunnel_ttl; + __u16 tunnel_ext; + __u32 tunnel_label; +}; + +#endif /* _UAPI__LINUX_BPF_H__ */ diff --git a/tools/include/uapi/linux/bpf_common.h b/tools/include/uapi/linux/bpf_common.h new file mode 100644 index 000000000000..a5c220e0828f --- /dev/null +++ b/tools/include/uapi/linux/bpf_common.h @@ -0,0 +1,55 @@ +#ifndef _UAPI__LINUX_BPF_COMMON_H__ +#define _UAPI__LINUX_BPF_COMMON_H__ + +/* Instruction classes */ +#define BPF_CLASS(code) ((code) & 0x07) +#define BPF_LD 0x00 +#define BPF_LDX 0x01 +#define BPF_ST 0x02 +#define BPF_STX 0x03 +#define BPF_ALU 0x04 +#define BPF_JMP 0x05 +#define BPF_RET 0x06 +#define BPF_MISC 0x07 + +/* ld/ldx fields */ +#define BPF_SIZE(code) ((code) & 0x18) +#define BPF_W 0x00 +#define BPF_H 0x08 +#define BPF_B 0x10 +#define BPF_MODE(code) ((code) & 0xe0) +#define BPF_IMM 0x00 +#define BPF_ABS 0x20 +#define BPF_IND 0x40 +#define BPF_MEM 0x60 +#define BPF_LEN 0x80 +#define BPF_MSH 0xa0 + +/* alu/jmp fields */ +#define BPF_OP(code) ((code) & 0xf0) +#define BPF_ADD 0x00 +#define BPF_SUB 0x10 +#define BPF_MUL 0x20 +#define BPF_DIV 0x30 +#define BPF_OR 0x40 +#define BPF_AND 0x50 +#define BPF_LSH 0x60 +#define BPF_RSH 0x70 +#define BPF_NEG 0x80 +#define BPF_MOD 0x90 +#define BPF_XOR 0xa0 + +#define BPF_JA 0x00 +#define BPF_JEQ 0x10 +#define BPF_JGT 0x20 +#define BPF_JGE 0x30 +#define BPF_JSET 0x40 +#define BPF_SRC(code) ((code) & 0x08) +#define BPF_K 0x00 +#define BPF_X 0x08 + +#ifndef BPF_MAXINSNS +#define BPF_MAXINSNS 4096 +#endif + +#endif /* _UAPI__LINUX_BPF_COMMON_H__ */ diff --git a/tools/include/uapi/linux/hw_breakpoint.h b/tools/include/uapi/linux/hw_breakpoint.h new file mode 100644 index 000000000000..b04000a2296a --- /dev/null +++ b/tools/include/uapi/linux/hw_breakpoint.h @@ -0,0 +1,30 @@ +#ifndef _UAPI_LINUX_HW_BREAKPOINT_H +#define _UAPI_LINUX_HW_BREAKPOINT_H + +enum { + HW_BREAKPOINT_LEN_1 = 1, + HW_BREAKPOINT_LEN_2 = 2, + HW_BREAKPOINT_LEN_4 = 4, + HW_BREAKPOINT_LEN_8 = 8, +}; + +enum { + HW_BREAKPOINT_EMPTY = 0, + HW_BREAKPOINT_R = 1, + HW_BREAKPOINT_W = 2, + HW_BREAKPOINT_RW = HW_BREAKPOINT_R | HW_BREAKPOINT_W, + HW_BREAKPOINT_X = 4, + HW_BREAKPOINT_INVALID = HW_BREAKPOINT_RW | HW_BREAKPOINT_X, +}; + +enum bp_type_idx { + TYPE_INST = 0, +#ifdef CONFIG_HAVE_MIXED_BREAKPOINTS_REGS + TYPE_DATA = 0, +#else + TYPE_DATA = 1, +#endif + TYPE_MAX +}; + +#endif /* _UAPI_LINUX_HW_BREAKPOINT_H */ diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h new file mode 100644 index 000000000000..c66a485a24ac --- /dev/null +++ b/tools/include/uapi/linux/perf_event.h @@ -0,0 +1,983 @@ +/* + * Performance events: + * + * Copyright (C) 2008-2009, Thomas Gleixner <tglx@linutronix.de> + * Copyright (C) 2008-2011, Red Hat, Inc., Ingo Molnar + * Copyright (C) 2008-2011, Red Hat, Inc., Peter Zijlstra + * + * Data type definitions, declarations, prototypes. + * + * Started by: Thomas Gleixner and Ingo Molnar + * + * For licencing details see kernel-base/COPYING + */ +#ifndef _UAPI_LINUX_PERF_EVENT_H +#define _UAPI_LINUX_PERF_EVENT_H + +#include <linux/types.h> +#include <linux/ioctl.h> +#include <asm/byteorder.h> + +/* + * User-space ABI bits: + */ + +/* + * attr.type + */ +enum perf_type_id { + PERF_TYPE_HARDWARE = 0, + PERF_TYPE_SOFTWARE = 1, + PERF_TYPE_TRACEPOINT = 2, + PERF_TYPE_HW_CACHE = 3, + PERF_TYPE_RAW = 4, + PERF_TYPE_BREAKPOINT = 5, + + PERF_TYPE_MAX, /* non-ABI */ +}; + +/* + * Generalized performance event event_id types, used by the + * attr.event_id parameter of the sys_perf_event_open() + * syscall: + */ +enum perf_hw_id { + /* + * Common hardware events, generalized by the kernel: + */ + PERF_COUNT_HW_CPU_CYCLES = 0, + PERF_COUNT_HW_INSTRUCTIONS = 1, + PERF_COUNT_HW_CACHE_REFERENCES = 2, + PERF_COUNT_HW_CACHE_MISSES = 3, + PERF_COUNT_HW_BRANCH_INSTRUCTIONS = 4, + PERF_COUNT_HW_BRANCH_MISSES = 5, + PERF_COUNT_HW_BUS_CYCLES = 6, + PERF_COUNT_HW_STALLED_CYCLES_FRONTEND = 7, + PERF_COUNT_HW_STALLED_CYCLES_BACKEND = 8, + PERF_COUNT_HW_REF_CPU_CYCLES = 9, + + PERF_COUNT_HW_MAX, /* non-ABI */ +}; + +/* + * Generalized hardware cache events: + * + * { L1-D, L1-I, LLC, ITLB, DTLB, BPU, NODE } x + * { read, write, prefetch } x + * { accesses, misses } + */ +enum perf_hw_cache_id { + PERF_COUNT_HW_CACHE_L1D = 0, + PERF_COUNT_HW_CACHE_L1I = 1, + PERF_COUNT_HW_CACHE_LL = 2, + PERF_COUNT_HW_CACHE_DTLB = 3, + PERF_COUNT_HW_CACHE_ITLB = 4, + PERF_COUNT_HW_CACHE_BPU = 5, + PERF_COUNT_HW_CACHE_NODE = 6, + + PERF_COUNT_HW_CACHE_MAX, /* non-ABI */ +}; + +enum perf_hw_cache_op_id { + PERF_COUNT_HW_CACHE_OP_READ = 0, + PERF_COUNT_HW_CACHE_OP_WRITE = 1, + PERF_COUNT_HW_CACHE_OP_PREFETCH = 2, + + PERF_COUNT_HW_CACHE_OP_MAX, /* non-ABI */ +}; + +enum perf_hw_cache_op_result_id { + PERF_COUNT_HW_CACHE_RESULT_ACCESS = 0, + PERF_COUNT_HW_CACHE_RESULT_MISS = 1, + + PERF_COUNT_HW_CACHE_RESULT_MAX, /* non-ABI */ +}; + +/* + * Special "software" events provided by the kernel, even if the hardware + * does not support performance events. These events measure various + * physical and sw events of the kernel (and allow the profiling of them as + * well): + */ +enum perf_sw_ids { + PERF_COUNT_SW_CPU_CLOCK = 0, + PERF_COUNT_SW_TASK_CLOCK = 1, + PERF_COUNT_SW_PAGE_FAULTS = 2, + PERF_COUNT_SW_CONTEXT_SWITCHES = 3, + PERF_COUNT_SW_CPU_MIGRATIONS = 4, + PERF_COUNT_SW_PAGE_FAULTS_MIN = 5, + PERF_COUNT_SW_PAGE_FAULTS_MAJ = 6, + PERF_COUNT_SW_ALIGNMENT_FAULTS = 7, + PERF_COUNT_SW_EMULATION_FAULTS = 8, + PERF_COUNT_SW_DUMMY = 9, + PERF_COUNT_SW_BPF_OUTPUT = 10, + + PERF_COUNT_SW_MAX, /* non-ABI */ +}; + +/* + * Bits that can be set in attr.sample_type to request information + * in the overflow packets. + */ +enum perf_event_sample_format { + PERF_SAMPLE_IP = 1U << 0, + PERF_SAMPLE_TID = 1U << 1, + PERF_SAMPLE_TIME = 1U << 2, + PERF_SAMPLE_ADDR = 1U << 3, + PERF_SAMPLE_READ = 1U << 4, + PERF_SAMPLE_CALLCHAIN = 1U << 5, + PERF_SAMPLE_ID = 1U << 6, + PERF_SAMPLE_CPU = 1U << 7, + PERF_SAMPLE_PERIOD = 1U << 8, + PERF_SAMPLE_STREAM_ID = 1U << 9, + PERF_SAMPLE_RAW = 1U << 10, + PERF_SAMPLE_BRANCH_STACK = 1U << 11, + PERF_SAMPLE_REGS_USER = 1U << 12, + PERF_SAMPLE_STACK_USER = 1U << 13, + PERF_SAMPLE_WEIGHT = 1U << 14, + PERF_SAMPLE_DATA_SRC = 1U << 15, + PERF_SAMPLE_IDENTIFIER = 1U << 16, + PERF_SAMPLE_TRANSACTION = 1U << 17, + PERF_SAMPLE_REGS_INTR = 1U << 18, + + PERF_SAMPLE_MAX = 1U << 19, /* non-ABI */ +}; + +/* + * values to program into branch_sample_type when PERF_SAMPLE_BRANCH is set + * + * If the user does not pass priv level information via branch_sample_type, + * the kernel uses the event's priv level. Branch and event priv levels do + * not have to match. Branch priv level is checked for permissions. + * + * The branch types can be combined, however BRANCH_ANY covers all types + * of branches and therefore it supersedes all the other types. + */ +enum perf_branch_sample_type_shift { + PERF_SAMPLE_BRANCH_USER_SHIFT = 0, /* user branches */ + PERF_SAMPLE_BRANCH_KERNEL_SHIFT = 1, /* kernel branches */ + PERF_SAMPLE_BRANCH_HV_SHIFT = 2, /* hypervisor branches */ + + PERF_SAMPLE_BRANCH_ANY_SHIFT = 3, /* any branch types */ + PERF_SAMPLE_BRANCH_ANY_CALL_SHIFT = 4, /* any call branch */ + PERF_SAMPLE_BRANCH_ANY_RETURN_SHIFT = 5, /* any return branch */ + PERF_SAMPLE_BRANCH_IND_CALL_SHIFT = 6, /* indirect calls */ + PERF_SAMPLE_BRANCH_ABORT_TX_SHIFT = 7, /* transaction aborts */ + PERF_SAMPLE_BRANCH_IN_TX_SHIFT = 8, /* in transaction */ + PERF_SAMPLE_BRANCH_NO_TX_SHIFT = 9, /* not in transaction */ + PERF_SAMPLE_BRANCH_COND_SHIFT = 10, /* conditional branches */ + + PERF_SAMPLE_BRANCH_CALL_STACK_SHIFT = 11, /* call/ret stack */ + PERF_SAMPLE_BRANCH_IND_JUMP_SHIFT = 12, /* indirect jumps */ + PERF_SAMPLE_BRANCH_CALL_SHIFT = 13, /* direct call */ + + PERF_SAMPLE_BRANCH_NO_FLAGS_SHIFT = 14, /* no flags */ + PERF_SAMPLE_BRANCH_NO_CYCLES_SHIFT = 15, /* no cycles */ + + PERF_SAMPLE_BRANCH_MAX_SHIFT /* non-ABI */ +}; + +enum perf_branch_sample_type { + PERF_SAMPLE_BRANCH_USER = 1U << PERF_SAMPLE_BRANCH_USER_SHIFT, + PERF_SAMPLE_BRANCH_KERNEL = 1U << PERF_SAMPLE_BRANCH_KERNEL_SHIFT, + PERF_SAMPLE_BRANCH_HV = 1U << PERF_SAMPLE_BRANCH_HV_SHIFT, + + PERF_SAMPLE_BRANCH_ANY = 1U << PERF_SAMPLE_BRANCH_ANY_SHIFT, + PERF_SAMPLE_BRANCH_ANY_CALL = 1U << PERF_SAMPLE_BRANCH_ANY_CALL_SHIFT, + PERF_SAMPLE_BRANCH_ANY_RETURN = 1U << PERF_SAMPLE_BRANCH_ANY_RETURN_SHIFT, + PERF_SAMPLE_BRANCH_IND_CALL = 1U << PERF_SAMPLE_BRANCH_IND_CALL_SHIFT, + PERF_SAMPLE_BRANCH_ABORT_TX = 1U << PERF_SAMPLE_BRANCH_ABORT_TX_SHIFT, + PERF_SAMPLE_BRANCH_IN_TX = 1U << PERF_SAMPLE_BRANCH_IN_TX_SHIFT, + PERF_SAMPLE_BRANCH_NO_TX = 1U << PERF_SAMPLE_BRANCH_NO_TX_SHIFT, + PERF_SAMPLE_BRANCH_COND = 1U << PERF_SAMPLE_BRANCH_COND_SHIFT, + + PERF_SAMPLE_BRANCH_CALL_STACK = 1U << PERF_SAMPLE_BRANCH_CALL_STACK_SHIFT, + PERF_SAMPLE_BRANCH_IND_JUMP = 1U << PERF_SAMPLE_BRANCH_IND_JUMP_SHIFT, + PERF_SAMPLE_BRANCH_CALL = 1U << PERF_SAMPLE_BRANCH_CALL_SHIFT, + + PERF_SAMPLE_BRANCH_NO_FLAGS = 1U << PERF_SAMPLE_BRANCH_NO_FLAGS_SHIFT, + PERF_SAMPLE_BRANCH_NO_CYCLES = 1U << PERF_SAMPLE_BRANCH_NO_CYCLES_SHIFT, + + PERF_SAMPLE_BRANCH_MAX = 1U << PERF_SAMPLE_BRANCH_MAX_SHIFT, +}; + +#define PERF_SAMPLE_BRANCH_PLM_ALL \ + (PERF_SAMPLE_BRANCH_USER|\ + PERF_SAMPLE_BRANCH_KERNEL|\ + PERF_SAMPLE_BRANCH_HV) + +/* + * Values to determine ABI of the registers dump. + */ +enum perf_sample_regs_abi { + PERF_SAMPLE_REGS_ABI_NONE = 0, + PERF_SAMPLE_REGS_ABI_32 = 1, + PERF_SAMPLE_REGS_ABI_64 = 2, +}; + +/* + * Values for the memory transaction event qualifier, mostly for + * abort events. Multiple bits can be set. + */ +enum { + PERF_TXN_ELISION = (1 << 0), /* From elision */ + PERF_TXN_TRANSACTION = (1 << 1), /* From transaction */ + PERF_TXN_SYNC = (1 << 2), /* Instruction is related */ + PERF_TXN_ASYNC = (1 << 3), /* Instruction not related */ + PERF_TXN_RETRY = (1 << 4), /* Retry possible */ + PERF_TXN_CONFLICT = (1 << 5), /* Conflict abort */ + PERF_TXN_CAPACITY_WRITE = (1 << 6), /* Capacity write abort */ + PERF_TXN_CAPACITY_READ = (1 << 7), /* Capacity read abort */ + + PERF_TXN_MAX = (1 << 8), /* non-ABI */ + + /* bits 32..63 are reserved for the abort code */ + + PERF_TXN_ABORT_MASK = (0xffffffffULL << 32), + PERF_TXN_ABORT_SHIFT = 32, +}; + +/* + * The format of the data returned by read() on a perf event fd, + * as specified by attr.read_format: + * + * struct read_format { + * { u64 value; + * { u64 time_enabled; } && PERF_FORMAT_TOTAL_TIME_ENABLED + * { u64 time_running; } && PERF_FORMAT_TOTAL_TIME_RUNNING + * { u64 id; } && PERF_FORMAT_ID + * } && !PERF_FORMAT_GROUP + * + * { u64 nr; + * { u64 time_enabled; } && PERF_FORMAT_TOTAL_TIME_ENABLED + * { u64 time_running; } && PERF_FORMAT_TOTAL_TIME_RUNNING + * { u64 value; + * { u64 id; } && PERF_FORMAT_ID + * } cntr[nr]; + * } && PERF_FORMAT_GROUP + * }; + */ +enum perf_event_read_format { + PERF_FORMAT_TOTAL_TIME_ENABLED = 1U << 0, + PERF_FORMAT_TOTAL_TIME_RUNNING = 1U << 1, + PERF_FORMAT_ID = 1U << 2, + PERF_FORMAT_GROUP = 1U << 3, + + PERF_FORMAT_MAX = 1U << 4, /* non-ABI */ +}; + +#define PERF_ATTR_SIZE_VER0 64 /* sizeof first published struct */ +#define PERF_ATTR_SIZE_VER1 72 /* add: config2 */ +#define PERF_ATTR_SIZE_VER2 80 /* add: branch_sample_type */ +#define PERF_ATTR_SIZE_VER3 96 /* add: sample_regs_user */ + /* add: sample_stack_user */ +#define PERF_ATTR_SIZE_VER4 104 /* add: sample_regs_intr */ +#define PERF_ATTR_SIZE_VER5 112 /* add: aux_watermark */ + +/* + * Hardware event_id to monitor via a performance monitoring event: + * + * @sample_max_stack: Max number of frame pointers in a callchain, + * should be < /proc/sys/kernel/perf_event_max_stack + */ +struct perf_event_attr { + + /* + * Major type: hardware/software/tracepoint/etc. + */ + __u32 type; + + /* + * Size of the attr structure, for fwd/bwd compat. + */ + __u32 size; + + /* + * Type specific configuration information. + */ + __u64 config; + + union { + __u64 sample_period; + __u64 sample_freq; + }; + + __u64 sample_type; + __u64 read_format; + + __u64 disabled : 1, /* off by default */ + inherit : 1, /* children inherit it */ + pinned : 1, /* must always be on PMU */ + exclusive : 1, /* only group on PMU */ + exclude_user : 1, /* don't count user */ + exclude_kernel : 1, /* ditto kernel */ + exclude_hv : 1, /* ditto hypervisor */ + exclude_idle : 1, /* don't count when idle */ + mmap : 1, /* include mmap data */ + comm : 1, /* include comm data */ + freq : 1, /* use freq, not period */ + inherit_stat : 1, /* per task counts */ + enable_on_exec : 1, /* next exec enables */ + task : 1, /* trace fork/exit */ + watermark : 1, /* wakeup_watermark */ + /* + * precise_ip: + * + * 0 - SAMPLE_IP can have arbitrary skid + * 1 - SAMPLE_IP must have constant skid + * 2 - SAMPLE_IP requested to have 0 skid + * 3 - SAMPLE_IP must have 0 skid + * + * See also PERF_RECORD_MISC_EXACT_IP + */ + precise_ip : 2, /* skid constraint */ + mmap_data : 1, /* non-exec mmap data */ + sample_id_all : 1, /* sample_type all events */ + + exclude_host : 1, /* don't count in host */ + exclude_guest : 1, /* don't count in guest */ + + exclude_callchain_kernel : 1, /* exclude kernel callchains */ + exclude_callchain_user : 1, /* exclude user callchains */ + mmap2 : 1, /* include mmap with inode data */ + comm_exec : 1, /* flag comm events that are due to an exec */ + use_clockid : 1, /* use @clockid for time fields */ + context_switch : 1, /* context switch data */ + write_backward : 1, /* Write ring buffer from end to beginning */ + __reserved_1 : 36; + + union { + __u32 wakeup_events; /* wakeup every n events */ + __u32 wakeup_watermark; /* bytes before wakeup */ + }; + + __u32 bp_type; + union { + __u64 bp_addr; + __u64 config1; /* extension of config */ + }; + union { + __u64 bp_len; + __u64 config2; /* extension of config1 */ + }; + __u64 branch_sample_type; /* enum perf_branch_sample_type */ + + /* + * Defines set of user regs to dump on samples. + * See asm/perf_regs.h for details. + */ + __u64 sample_regs_user; + + /* + * Defines size of the user stack to dump on samples. + */ + __u32 sample_stack_user; + + __s32 clockid; + /* + * Defines set of regs to dump for each sample + * state captured on: + * - precise = 0: PMU interrupt + * - precise > 0: sampled instruction + * + * See asm/perf_regs.h for details. + */ + __u64 sample_regs_intr; + + /* + * Wakeup watermark for AUX area + */ + __u32 aux_watermark; + __u16 sample_max_stack; + __u16 __reserved_2; /* align to __u64 */ +}; + +#define perf_flags(attr) (*(&(attr)->read_format + 1)) + +/* + * Ioctls that can be done on a perf event fd: + */ +#define PERF_EVENT_IOC_ENABLE _IO ('$', 0) +#define PERF_EVENT_IOC_DISABLE _IO ('$', 1) +#define PERF_EVENT_IOC_REFRESH _IO ('$', 2) +#define PERF_EVENT_IOC_RESET _IO ('$', 3) +#define PERF_EVENT_IOC_PERIOD _IOW('$', 4, __u64) +#define PERF_EVENT_IOC_SET_OUTPUT _IO ('$', 5) +#define PERF_EVENT_IOC_SET_FILTER _IOW('$', 6, char *) +#define PERF_EVENT_IOC_ID _IOR('$', 7, __u64 *) +#define PERF_EVENT_IOC_SET_BPF _IOW('$', 8, __u32) +#define PERF_EVENT_IOC_PAUSE_OUTPUT _IOW('$', 9, __u32) + +enum perf_event_ioc_flags { + PERF_IOC_FLAG_GROUP = 1U << 0, +}; + +/* + * Structure of the page that can be mapped via mmap + */ +struct perf_event_mmap_page { + __u32 version; /* version number of this structure */ + __u32 compat_version; /* lowest version this is compat with */ + + /* + * Bits needed to read the hw events in user-space. + * + * u32 seq, time_mult, time_shift, index, width; + * u64 count, enabled, running; + * u64 cyc, time_offset; + * s64 pmc = 0; + * + * do { + * seq = pc->lock; + * barrier() + * + * enabled = pc->time_enabled; + * running = pc->time_running; + * + * if (pc->cap_usr_time && enabled != running) { + * cyc = rdtsc(); + * time_offset = pc->time_offset; + * time_mult = pc->time_mult; + * time_shift = pc->time_shift; + * } + * + * index = pc->index; + * count = pc->offset; + * if (pc->cap_user_rdpmc && index) { + * width = pc->pmc_width; + * pmc = rdpmc(index - 1); + * } + * + * barrier(); + * } while (pc->lock != seq); + * + * NOTE: for obvious reason this only works on self-monitoring + * processes. + */ + __u32 lock; /* seqlock for synchronization */ + __u32 index; /* hardware event identifier */ + __s64 offset; /* add to hardware event value */ + __u64 time_enabled; /* time event active */ + __u64 time_running; /* time event on cpu */ + union { + __u64 capabilities; + struct { + __u64 cap_bit0 : 1, /* Always 0, deprecated, see commit 860f085b74e9 */ + cap_bit0_is_deprecated : 1, /* Always 1, signals that bit 0 is zero */ + + cap_user_rdpmc : 1, /* The RDPMC instruction can be used to read counts */ + cap_user_time : 1, /* The time_* fields are used */ + cap_user_time_zero : 1, /* The time_zero field is used */ + cap_____res : 59; + }; + }; + + /* + * If cap_user_rdpmc this field provides the bit-width of the value + * read using the rdpmc() or equivalent instruction. This can be used + * to sign extend the result like: + * + * pmc <<= 64 - width; + * pmc >>= 64 - width; // signed shift right + * count += pmc; + */ + __u16 pmc_width; + + /* + * If cap_usr_time the below fields can be used to compute the time + * delta since time_enabled (in ns) using rdtsc or similar. + * + * u64 quot, rem; + * u64 delta; + * + * quot = (cyc >> time_shift); + * rem = cyc & (((u64)1 << time_shift) - 1); + * delta = time_offset + quot * time_mult + + * ((rem * time_mult) >> time_shift); + * + * Where time_offset,time_mult,time_shift and cyc are read in the + * seqcount loop described above. This delta can then be added to + * enabled and possible running (if index), improving the scaling: + * + * enabled += delta; + * if (index) + * running += delta; + * + * quot = count / running; + * rem = count % running; + * count = quot * enabled + (rem * enabled) / running; + */ + __u16 time_shift; + __u32 time_mult; + __u64 time_offset; + /* + * If cap_usr_time_zero, the hardware clock (e.g. TSC) can be calculated + * from sample timestamps. + * + * time = timestamp - time_zero; + * quot = time / time_mult; + * rem = time % time_mult; + * cyc = (quot << time_shift) + (rem << time_shift) / time_mult; + * + * And vice versa: + * + * quot = cyc >> time_shift; + * rem = cyc & (((u64)1 << time_shift) - 1); + * timestamp = time_zero + quot * time_mult + + * ((rem * time_mult) >> time_shift); + */ + __u64 time_zero; + __u32 size; /* Header size up to __reserved[] fields. */ + + /* + * Hole for extension of the self monitor capabilities + */ + + __u8 __reserved[118*8+4]; /* align to 1k. */ + + /* + * Control data for the mmap() data buffer. + * + * User-space reading the @data_head value should issue an smp_rmb(), + * after reading this value. + * + * When the mapping is PROT_WRITE the @data_tail value should be + * written by userspace to reflect the last read data, after issueing + * an smp_mb() to separate the data read from the ->data_tail store. + * In this case the kernel will not over-write unread data. + * + * See perf_output_put_handle() for the data ordering. + * + * data_{offset,size} indicate the location and size of the perf record + * buffer within the mmapped area. + */ + __u64 data_head; /* head in the data section */ + __u64 data_tail; /* user-space written tail */ + __u64 data_offset; /* where the buffer starts */ + __u64 data_size; /* data buffer size */ + + /* + * AUX area is defined by aux_{offset,size} fields that should be set + * by the userspace, so that + * + * aux_offset >= data_offset + data_size + * + * prior to mmap()ing it. Size of the mmap()ed area should be aux_size. + * + * Ring buffer pointers aux_{head,tail} have the same semantics as + * data_{head,tail} and same ordering rules apply. + */ + __u64 aux_head; + __u64 aux_tail; + __u64 aux_offset; + __u64 aux_size; +}; + +#define PERF_RECORD_MISC_CPUMODE_MASK (7 << 0) +#define PERF_RECORD_MISC_CPUMODE_UNKNOWN (0 << 0) +#define PERF_RECORD_MISC_KERNEL (1 << 0) +#define PERF_RECORD_MISC_USER (2 << 0) +#define PERF_RECORD_MISC_HYPERVISOR (3 << 0) +#define PERF_RECORD_MISC_GUEST_KERNEL (4 << 0) +#define PERF_RECORD_MISC_GUEST_USER (5 << 0) + +/* + * Indicates that /proc/PID/maps parsing are truncated by time out. + */ +#define PERF_RECORD_MISC_PROC_MAP_PARSE_TIMEOUT (1 << 12) +/* + * PERF_RECORD_MISC_MMAP_DATA and PERF_RECORD_MISC_COMM_EXEC are used on + * different events so can reuse the same bit position. + * Ditto PERF_RECORD_MISC_SWITCH_OUT. + */ +#define PERF_RECORD_MISC_MMAP_DATA (1 << 13) +#define PERF_RECORD_MISC_COMM_EXEC (1 << 13) +#define PERF_RECORD_MISC_SWITCH_OUT (1 << 13) +/* + * Indicates that the content of PERF_SAMPLE_IP points to + * the actual instruction that triggered the event. See also + * perf_event_attr::precise_ip. + */ +#define PERF_RECORD_MISC_EXACT_IP (1 << 14) +/* + * Reserve the last bit to indicate some extended misc field + */ +#define PERF_RECORD_MISC_EXT_RESERVED (1 << 15) + +struct perf_event_header { + __u32 type; + __u16 misc; + __u16 size; +}; + +enum perf_event_type { + + /* + * If perf_event_attr.sample_id_all is set then all event types will + * have the sample_type selected fields related to where/when + * (identity) an event took place (TID, TIME, ID, STREAM_ID, CPU, + * IDENTIFIER) described in PERF_RECORD_SAMPLE below, it will be stashed + * just after the perf_event_header and the fields already present for + * the existing fields, i.e. at the end of the payload. That way a newer + * perf.data file will be supported by older perf tools, with these new + * optional fields being ignored. + * + * struct sample_id { + * { u32 pid, tid; } && PERF_SAMPLE_TID + * { u64 time; } && PERF_SAMPLE_TIME + * { u64 id; } && PERF_SAMPLE_ID + * { u64 stream_id;} && PERF_SAMPLE_STREAM_ID + * { u32 cpu, res; } && PERF_SAMPLE_CPU + * { u64 id; } && PERF_SAMPLE_IDENTIFIER + * } && perf_event_attr::sample_id_all + * + * Note that PERF_SAMPLE_IDENTIFIER duplicates PERF_SAMPLE_ID. The + * advantage of PERF_SAMPLE_IDENTIFIER is that its position is fixed + * relative to header.size. + */ + + /* + * The MMAP events record the PROT_EXEC mappings so that we can + * correlate userspace IPs to code. They have the following structure: + * + * struct { + * struct perf_event_header header; + * + * u32 pid, tid; + * u64 addr; + * u64 len; + * u64 pgoff; + * char filename[]; + * struct sample_id sample_id; + * }; + */ + PERF_RECORD_MMAP = 1, + + /* + * struct { + * struct perf_event_header header; + * u64 id; + * u64 lost; + * struct sample_id sample_id; + * }; + */ + PERF_RECORD_LOST = 2, + + /* + * struct { + * struct perf_event_header header; + * + * u32 pid, tid; + * char comm[]; + * struct sample_id sample_id; + * }; + */ + PERF_RECORD_COMM = 3, + + /* + * struct { + * struct perf_event_header header; + * u32 pid, ppid; + * u32 tid, ptid; + * u64 time; + * struct sample_id sample_id; + * }; + */ + PERF_RECORD_EXIT = 4, + + /* + * struct { + * struct perf_event_header header; + * u64 time; + * u64 id; + * u64 stream_id; + * struct sample_id sample_id; + * }; + */ + PERF_RECORD_THROTTLE = 5, + PERF_RECORD_UNTHROTTLE = 6, + + /* + * struct { + * struct perf_event_header header; + * u32 pid, ppid; + * u32 tid, ptid; + * u64 time; + * struct sample_id sample_id; + * }; + */ + PERF_RECORD_FORK = 7, + + /* + * struct { + * struct perf_event_header header; + * u32 pid, tid; + * + * struct read_format values; + * struct sample_id sample_id; + * }; + */ + PERF_RECORD_READ = 8, + + /* + * struct { + * struct perf_event_header header; + * + * # + * # Note that PERF_SAMPLE_IDENTIFIER duplicates PERF_SAMPLE_ID. + * # The advantage of PERF_SAMPLE_IDENTIFIER is that its position + * # is fixed relative to header. + * # + * + * { u64 id; } && PERF_SAMPLE_IDENTIFIER + * { u64 ip; } && PERF_SAMPLE_IP + * { u32 pid, tid; } && PERF_SAMPLE_TID + * { u64 time; } && PERF_SAMPLE_TIME + * { u64 addr; } && PERF_SAMPLE_ADDR + * { u64 id; } && PERF_SAMPLE_ID + * { u64 stream_id;} && PERF_SAMPLE_STREAM_ID + * { u32 cpu, res; } && PERF_SAMPLE_CPU + * { u64 period; } && PERF_SAMPLE_PERIOD + * + * { struct read_format values; } && PERF_SAMPLE_READ + * + * { u64 nr, + * u64 ips[nr]; } && PERF_SAMPLE_CALLCHAIN + * + * # + * # The RAW record below is opaque data wrt the ABI + * # + * # That is, the ABI doesn't make any promises wrt to + * # the stability of its content, it may vary depending + * # on event, hardware, kernel version and phase of + * # the moon. + * # + * # In other words, PERF_SAMPLE_RAW contents are not an ABI. + * # + * + * { u32 size; + * char data[size];}&& PERF_SAMPLE_RAW + * + * { u64 nr; + * { u64 from, to, flags } lbr[nr];} && PERF_SAMPLE_BRANCH_STACK + * + * { u64 abi; # enum perf_sample_regs_abi + * u64 regs[weight(mask)]; } && PERF_SAMPLE_REGS_USER + * + * { u64 size; + * char data[size]; + * u64 dyn_size; } && PERF_SAMPLE_STACK_USER + * + * { u64 weight; } && PERF_SAMPLE_WEIGHT + * { u64 data_src; } && PERF_SAMPLE_DATA_SRC + * { u64 transaction; } && PERF_SAMPLE_TRANSACTION + * { u64 abi; # enum perf_sample_regs_abi + * u64 regs[weight(mask)]; } && PERF_SAMPLE_REGS_INTR + * }; + */ + PERF_RECORD_SAMPLE = 9, + + /* + * The MMAP2 records are an augmented version of MMAP, they add + * maj, min, ino numbers to be used to uniquely identify each mapping + * + * struct { + * struct perf_event_header header; + * + * u32 pid, tid; + * u64 addr; + * u64 len; + * u64 pgoff; + * u32 maj; + * u32 min; + * u64 ino; + * u64 ino_generation; + * u32 prot, flags; + * char filename[]; + * struct sample_id sample_id; + * }; + */ + PERF_RECORD_MMAP2 = 10, + + /* + * Records that new data landed in the AUX buffer part. + * + * struct { + * struct perf_event_header header; + * + * u64 aux_offset; + * u64 aux_size; + * u64 flags; + * struct sample_id sample_id; + * }; + */ + PERF_RECORD_AUX = 11, + + /* + * Indicates that instruction trace has started + * + * struct { + * struct perf_event_header header; + * u32 pid; + * u32 tid; + * }; + */ + PERF_RECORD_ITRACE_START = 12, + + /* + * Records the dropped/lost sample number. + * + * struct { + * struct perf_event_header header; + * + * u64 lost; + * struct sample_id sample_id; + * }; + */ + PERF_RECORD_LOST_SAMPLES = 13, + + /* + * Records a context switch in or out (flagged by + * PERF_RECORD_MISC_SWITCH_OUT). See also + * PERF_RECORD_SWITCH_CPU_WIDE. + * + * struct { + * struct perf_event_header header; + * struct sample_id sample_id; + * }; + */ + PERF_RECORD_SWITCH = 14, + + /* + * CPU-wide version of PERF_RECORD_SWITCH with next_prev_pid and + * next_prev_tid that are the next (switching out) or previous + * (switching in) pid/tid. + * + * struct { + * struct perf_event_header header; + * u32 next_prev_pid; + * u32 next_prev_tid; + * struct sample_id sample_id; + * }; + */ + PERF_RECORD_SWITCH_CPU_WIDE = 15, + + PERF_RECORD_MAX, /* non-ABI */ +}; + +#define PERF_MAX_STACK_DEPTH 127 +#define PERF_MAX_CONTEXTS_PER_STACK 8 + +enum perf_callchain_context { + PERF_CONTEXT_HV = (__u64)-32, + PERF_CONTEXT_KERNEL = (__u64)-128, + PERF_CONTEXT_USER = (__u64)-512, + + PERF_CONTEXT_GUEST = (__u64)-2048, + PERF_CONTEXT_GUEST_KERNEL = (__u64)-2176, + PERF_CONTEXT_GUEST_USER = (__u64)-2560, + + PERF_CONTEXT_MAX = (__u64)-4095, +}; + +/** + * PERF_RECORD_AUX::flags bits + */ +#define PERF_AUX_FLAG_TRUNCATED 0x01 /* record was truncated to fit */ +#define PERF_AUX_FLAG_OVERWRITE 0x02 /* snapshot from overwrite mode */ + +#define PERF_FLAG_FD_NO_GROUP (1UL << 0) +#define PERF_FLAG_FD_OUTPUT (1UL << 1) +#define PERF_FLAG_PID_CGROUP (1UL << 2) /* pid=cgroup id, per-cpu mode only */ +#define PERF_FLAG_FD_CLOEXEC (1UL << 3) /* O_CLOEXEC */ + +union perf_mem_data_src { + __u64 val; + struct { + __u64 mem_op:5, /* type of opcode */ + mem_lvl:14, /* memory hierarchy level */ + mem_snoop:5, /* snoop mode */ + mem_lock:2, /* lock instr */ + mem_dtlb:7, /* tlb access */ + mem_rsvd:31; + }; +}; + +/* type of opcode (load/store/prefetch,code) */ +#define PERF_MEM_OP_NA 0x01 /* not available */ +#define PERF_MEM_OP_LOAD 0x02 /* load instruction */ +#define PERF_MEM_OP_STORE 0x04 /* store instruction */ +#define PERF_MEM_OP_PFETCH 0x08 /* prefetch */ +#define PERF_MEM_OP_EXEC 0x10 /* code (execution) */ +#define PERF_MEM_OP_SHIFT 0 + +/* memory hierarchy (memory level, hit or miss) */ +#define PERF_MEM_LVL_NA 0x01 /* not available */ +#define PERF_MEM_LVL_HIT 0x02 /* hit level */ +#define PERF_MEM_LVL_MISS 0x04 /* miss level */ +#define PERF_MEM_LVL_L1 0x08 /* L1 */ +#define PERF_MEM_LVL_LFB 0x10 /* Line Fill Buffer */ +#define PERF_MEM_LVL_L2 0x20 /* L2 */ +#define PERF_MEM_LVL_L3 0x40 /* L3 */ +#define PERF_MEM_LVL_LOC_RAM 0x80 /* Local DRAM */ +#define PERF_MEM_LVL_REM_RAM1 0x100 /* Remote DRAM (1 hop) */ +#define PERF_MEM_LVL_REM_RAM2 0x200 /* Remote DRAM (2 hops) */ +#define PERF_MEM_LVL_REM_CCE1 0x400 /* Remote Cache (1 hop) */ +#define PERF_MEM_LVL_REM_CCE2 0x800 /* Remote Cache (2 hops) */ +#define PERF_MEM_LVL_IO 0x1000 /* I/O memory */ +#define PERF_MEM_LVL_UNC 0x2000 /* Uncached memory */ +#define PERF_MEM_LVL_SHIFT 5 + +/* snoop mode */ +#define PERF_MEM_SNOOP_NA 0x01 /* not available */ +#define PERF_MEM_SNOOP_NONE 0x02 /* no snoop */ +#define PERF_MEM_SNOOP_HIT 0x04 /* snoop hit */ +#define PERF_MEM_SNOOP_MISS 0x08 /* snoop miss */ +#define PERF_MEM_SNOOP_HITM 0x10 /* snoop hit modified */ +#define PERF_MEM_SNOOP_SHIFT 19 + +/* locked instruction */ +#define PERF_MEM_LOCK_NA 0x01 /* not available */ +#define PERF_MEM_LOCK_LOCKED 0x02 /* locked transaction */ +#define PERF_MEM_LOCK_SHIFT 24 + +/* TLB access */ +#define PERF_MEM_TLB_NA 0x01 /* not available */ +#define PERF_MEM_TLB_HIT 0x02 /* hit level */ +#define PERF_MEM_TLB_MISS 0x04 /* miss level */ +#define PERF_MEM_TLB_L1 0x08 /* L1 */ +#define PERF_MEM_TLB_L2 0x10 /* L2 */ +#define PERF_MEM_TLB_WK 0x20 /* Hardware Walker*/ +#define PERF_MEM_TLB_OS 0x40 /* OS fault handler */ +#define PERF_MEM_TLB_SHIFT 26 + +#define PERF_MEM_S(a, s) \ + (((__u64)PERF_MEM_##a##_##s) << PERF_MEM_##a##_SHIFT) + +/* + * single taken branch record layout: + * + * from: source instruction (may not always be a branch insn) + * to: branch target + * mispred: branch target was mispredicted + * predicted: branch target was predicted + * + * support for mispred, predicted is optional. In case it + * is not supported mispred = predicted = 0. + * + * in_tx: running in a hardware transaction + * abort: aborting a hardware transaction + * cycles: cycles from last branch (or 0 if not supported) + */ +struct perf_branch_entry { + __u64 from; + __u64 to; + __u64 mispred:1, /* target mispredicted */ + predicted:1,/* target predicted */ + in_tx:1, /* in transaction */ + abort:1, /* transaction abort */ + cycles:16, /* cycle count to last branch */ + reserved:44; +}; + +#endif /* _UAPI_LINUX_PERF_EVENT_H */ diff --git a/tools/lib/api/Makefile b/tools/lib/api/Makefile index 316f308a63ea..0a6fda9837f7 100644 --- a/tools/lib/api/Makefile +++ b/tools/lib/api/Makefile @@ -10,15 +10,23 @@ endif CC = $(CROSS_COMPILE)gcc AR = $(CROSS_COMPILE)ar +LD = $(CROSS_COMPILE)ld MAKEFLAGS += --no-print-directory LIBFILE = $(OUTPUT)libapi.a CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) -CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC +CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -O6 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC + +# Treat warnings as errors unless directed not to +ifneq ($(WERROR),0) + CFLAGS += -Werror +endif + CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 CFLAGS += -I$(srctree)/tools/lib/api +CFLAGS += -I$(srctree)/tools/include RM = rm -f diff --git a/tools/lib/api/fd/array.c b/tools/lib/api/fd/array.c index 0e636c4339b8..b0a035fc87b3 100644 --- a/tools/lib/api/fd/array.c +++ b/tools/lib/api/fd/array.c @@ -85,7 +85,8 @@ int fdarray__add(struct fdarray *fda, int fd, short revents) } int fdarray__filter(struct fdarray *fda, short revents, - void (*entry_destructor)(struct fdarray *fda, int fd)) + void (*entry_destructor)(struct fdarray *fda, int fd, void *arg), + void *arg) { int fd, nr = 0; @@ -95,7 +96,7 @@ int fdarray__filter(struct fdarray *fda, short revents, for (fd = 0; fd < fda->nr; ++fd) { if (fda->entries[fd].revents & revents) { if (entry_destructor) - entry_destructor(fda, fd); + entry_destructor(fda, fd, arg); continue; } diff --git a/tools/lib/api/fd/array.h b/tools/lib/api/fd/array.h index 45db01818f45..71287dddc05f 100644 --- a/tools/lib/api/fd/array.h +++ b/tools/lib/api/fd/array.h @@ -22,6 +22,7 @@ struct fdarray { struct pollfd *entries; union { int idx; + void *ptr; } *priv; }; @@ -34,7 +35,8 @@ void fdarray__delete(struct fdarray *fda); int fdarray__add(struct fdarray *fda, int fd, short revents); int fdarray__poll(struct fdarray *fda, int timeout); int fdarray__filter(struct fdarray *fda, short revents, - void (*entry_destructor)(struct fdarray *fda, int fd)); + void (*entry_destructor)(struct fdarray *fda, int fd, void *arg), + void *arg); int fdarray__grow(struct fdarray *fda, int extra); int fdarray__fprintf(struct fdarray *fda, FILE *fp); diff --git a/tools/lib/api/fs/fs.c b/tools/lib/api/fs/fs.c index 08556cf2c70d..ba7094b945ff 100644 --- a/tools/lib/api/fs/fs.c +++ b/tools/lib/api/fs/fs.c @@ -283,6 +283,11 @@ int filename__read_int(const char *filename, int *value) return err; } +/* + * Parses @value out of @filename with strtoull. + * By using 0 for base, the strtoull detects the + * base automatically (see man strtoull). + */ int filename__read_ull(const char *filename, unsigned long long *value) { char line[64]; @@ -292,7 +297,7 @@ int filename__read_ull(const char *filename, unsigned long long *value) return -1; if (read(fd, line, sizeof(line)) > 0) { - *value = strtoull(line, NULL, 10); + *value = strtoull(line, NULL, 0); if (*value != ULLONG_MAX) err = 0; } diff --git a/tools/lib/api/fs/tracing_path.c b/tools/lib/api/fs/tracing_path.c index a26bb5ea8283..251b7c342a87 100644 --- a/tools/lib/api/fs/tracing_path.c +++ b/tools/lib/api/fs/tracing_path.c @@ -5,6 +5,7 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <linux/string.h> #include <errno.h> #include <unistd.h> #include "fs.h" @@ -118,7 +119,7 @@ static int strerror_open(int err, char *buf, size_t size, const char *filename) } break; default: - snprintf(buf, size, "%s", strerror_r(err, sbuf, sizeof(sbuf))); + snprintf(buf, size, "%s", str_error_r(err, sbuf, sizeof(sbuf))); break; } diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile index fc1bc75ae56d..62d89d50fcbd 100644 --- a/tools/lib/bpf/Makefile +++ b/tools/lib/bpf/Makefile @@ -68,7 +68,7 @@ FEATURE_USER = .libbpf FEATURE_TESTS = libelf libelf-getphdrnum libelf-mmap bpf FEATURE_DISPLAY = libelf bpf -INCLUDES = -I. -I$(srctree)/tools/include -I$(srctree)/arch/$(ARCH)/include/uapi -I$(srctree)/include/uapi +INCLUDES = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(ARCH)/include/uapi -I$(srctree)/tools/include/uapi FEATURE_CHECK_CFLAGS-bpf = $(INCLUDES) check_feat := 1 @@ -154,6 +154,12 @@ all: fixdep $(VERSION_FILES) all_cmd all_cmd: $(CMD_TARGETS) $(BPF_IN): force elfdep bpfdep + @(test -f ../../../include/uapi/linux/bpf.h -a -f ../../../include/uapi/linux/bpf.h && ( \ + (diff -B ../../include/uapi/linux/bpf.h ../../../include/uapi/linux/bpf.h >/dev/null) || \ + echo "Warning: tools/include/uapi/linux/bpf.h differs from kernel" >&2 )) || true + @(test -f ../../../include/uapi/linux/bpf_common.h -a -f ../../../include/uapi/linux/bpf_common.h && ( \ + (diff -B ../../include/uapi/linux/bpf_common.h ../../../include/uapi/linux/bpf_common.h >/dev/null) || \ + echo "Warning: tools/include/uapi/linux/bpf_common.h differs from kernel" >&2 )) || true $(Q)$(MAKE) $(build)=libbpf $(OUTPUT)libbpf.so: $(BPF_IN) diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index 1f91cc941b7c..4212ed62235b 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -4,6 +4,19 @@ * Copyright (C) 2013-2015 Alexei Starovoitov <ast@kernel.org> * Copyright (C) 2015 Wang Nan <wangnan0@huawei.com> * Copyright (C) 2015 Huawei Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License (not later!) + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses> */ #include <stdlib.h> diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h index a76465541292..e8ba54087497 100644 --- a/tools/lib/bpf/bpf.h +++ b/tools/lib/bpf/bpf.h @@ -4,6 +4,19 @@ * Copyright (C) 2013-2015 Alexei Starovoitov <ast@kernel.org> * Copyright (C) 2015 Wang Nan <wangnan0@huawei.com> * Copyright (C) 2015 Huawei Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License (not later!) + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses> */ #ifndef __BPF_BPF_H #define __BPF_BPF_H diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 7e543c3102d4..32e6b6bc6f7d 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -4,6 +4,19 @@ * Copyright (C) 2013-2015 Alexei Starovoitov <ast@kernel.org> * Copyright (C) 2015 Wang Nan <wangnan0@huawei.com> * Copyright (C) 2015 Huawei Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License (not later!) + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses> */ #include <stdlib.h> @@ -71,12 +84,13 @@ static const char *libbpf_strerror_table[NR_ERRNO] = { [ERRCODE_OFFSET(LIBELF)] = "Something wrong in libelf", [ERRCODE_OFFSET(FORMAT)] = "BPF object format invalid", [ERRCODE_OFFSET(KVERSION)] = "'version' section incorrect or lost", - [ERRCODE_OFFSET(ENDIAN)] = "Endian missmatch", + [ERRCODE_OFFSET(ENDIAN)] = "Endian mismatch", [ERRCODE_OFFSET(INTERNAL)] = "Internal error in libbpf", [ERRCODE_OFFSET(RELOC)] = "Relocation failed", [ERRCODE_OFFSET(VERIFY)] = "Kernel verifier blocks program loading", [ERRCODE_OFFSET(PROG2BIG)] = "Program too big", [ERRCODE_OFFSET(KVER)] = "Incorrect kernel version", + [ERRCODE_OFFSET(PROGTYPE)] = "Kernel doesn't support this program type", }; int libbpf_strerror(int err, char *buf, size_t size) @@ -145,6 +159,7 @@ struct bpf_program { char *section_name; struct bpf_insn *insns; size_t insns_cnt; + enum bpf_prog_type type; struct { int insn_idx; @@ -286,6 +301,7 @@ bpf_program__init(void *data, size_t size, char *name, int idx, prog->idx = idx; prog->instances.fds = NULL; prog->instances.nr = -1; + prog->type = BPF_PROG_TYPE_KPROBE; return 0; errout: @@ -881,8 +897,8 @@ static int bpf_object__collect_reloc(struct bpf_object *obj) } static int -load_program(struct bpf_insn *insns, int insns_cnt, - char *license, u32 kern_version, int *pfd) +load_program(enum bpf_prog_type type, struct bpf_insn *insns, + int insns_cnt, char *license, u32 kern_version, int *pfd) { int ret; char *log_buf; @@ -894,9 +910,8 @@ load_program(struct bpf_insn *insns, int insns_cnt, if (!log_buf) pr_warning("Alloc log buffer for bpf loader error, continue without log\n"); - ret = bpf_load_program(BPF_PROG_TYPE_KPROBE, insns, - insns_cnt, license, kern_version, - log_buf, BPF_LOG_BUF_SIZE); + ret = bpf_load_program(type, insns, insns_cnt, license, + kern_version, log_buf, BPF_LOG_BUF_SIZE); if (ret >= 0) { *pfd = ret; @@ -912,15 +927,27 @@ load_program(struct bpf_insn *insns, int insns_cnt, pr_warning("-- BEGIN DUMP LOG ---\n"); pr_warning("\n%s\n", log_buf); pr_warning("-- END LOG --\n"); + } else if (insns_cnt >= BPF_MAXINSNS) { + pr_warning("Program too large (%d insns), at most %d insns\n", + insns_cnt, BPF_MAXINSNS); + ret = -LIBBPF_ERRNO__PROG2BIG; } else { - if (insns_cnt >= BPF_MAXINSNS) { - pr_warning("Program too large (%d insns), at most %d insns\n", - insns_cnt, BPF_MAXINSNS); - ret = -LIBBPF_ERRNO__PROG2BIG; - } else if (log_buf) { - pr_warning("log buffer is empty\n"); - ret = -LIBBPF_ERRNO__KVER; + /* Wrong program type? */ + if (type != BPF_PROG_TYPE_KPROBE) { + int fd; + + fd = bpf_load_program(BPF_PROG_TYPE_KPROBE, insns, + insns_cnt, license, kern_version, + NULL, 0); + if (fd >= 0) { + close(fd); + ret = -LIBBPF_ERRNO__PROGTYPE; + goto out; + } } + + if (log_buf) + ret = -LIBBPF_ERRNO__KVER; } out: @@ -955,7 +982,7 @@ bpf_program__load(struct bpf_program *prog, pr_warning("Program '%s' is inconsistent: nr(%d) != 1\n", prog->section_name, prog->instances.nr); } - err = load_program(prog->insns, prog->insns_cnt, + err = load_program(prog->type, prog->insns, prog->insns_cnt, license, kern_version, &fd); if (!err) prog->instances.fds[0] = fd; @@ -984,7 +1011,7 @@ bpf_program__load(struct bpf_program *prog, continue; } - err = load_program(result.new_insn_ptr, + err = load_program(prog->type, result.new_insn_ptr, result.new_insn_cnt, license, kern_version, &fd); @@ -1186,20 +1213,14 @@ bpf_object__next(struct bpf_object *prev) return next; } -const char * -bpf_object__get_name(struct bpf_object *obj) +const char *bpf_object__name(struct bpf_object *obj) { - if (!obj) - return ERR_PTR(-EINVAL); - return obj->path; + return obj ? obj->path : ERR_PTR(-EINVAL); } -unsigned int -bpf_object__get_kversion(struct bpf_object *obj) +unsigned int bpf_object__kversion(struct bpf_object *obj) { - if (!obj) - return 0; - return obj->kern_version; + return obj ? obj->kern_version : 0; } struct bpf_program * @@ -1224,9 +1245,8 @@ bpf_program__next(struct bpf_program *prev, struct bpf_object *obj) return &obj->programs[idx]; } -int bpf_program__set_private(struct bpf_program *prog, - void *priv, - bpf_program_clear_priv_t clear_priv) +int bpf_program__set_priv(struct bpf_program *prog, void *priv, + bpf_program_clear_priv_t clear_priv) { if (prog->priv && prog->clear_priv) prog->clear_priv(prog, prog->priv); @@ -1236,10 +1256,9 @@ int bpf_program__set_private(struct bpf_program *prog, return 0; } -int bpf_program__get_private(struct bpf_program *prog, void **ppriv) +void *bpf_program__priv(struct bpf_program *prog) { - *ppriv = prog->priv; - return 0; + return prog ? prog->priv : ERR_PTR(-EINVAL); } const char *bpf_program__title(struct bpf_program *prog, bool needs_copy) @@ -1311,32 +1330,61 @@ int bpf_program__nth_fd(struct bpf_program *prog, int n) return fd; } -int bpf_map__get_fd(struct bpf_map *map) +static void bpf_program__set_type(struct bpf_program *prog, + enum bpf_prog_type type) { - if (!map) - return -EINVAL; - - return map->fd; + prog->type = type; } -int bpf_map__get_def(struct bpf_map *map, struct bpf_map_def *pdef) +int bpf_program__set_tracepoint(struct bpf_program *prog) { - if (!map || !pdef) + if (!prog) return -EINVAL; + bpf_program__set_type(prog, BPF_PROG_TYPE_TRACEPOINT); + return 0; +} - *pdef = map->def; +int bpf_program__set_kprobe(struct bpf_program *prog) +{ + if (!prog) + return -EINVAL; + bpf_program__set_type(prog, BPF_PROG_TYPE_KPROBE); return 0; } -const char *bpf_map__get_name(struct bpf_map *map) +static bool bpf_program__is_type(struct bpf_program *prog, + enum bpf_prog_type type) { - if (!map) - return NULL; - return map->name; + return prog ? (prog->type == type) : false; +} + +bool bpf_program__is_tracepoint(struct bpf_program *prog) +{ + return bpf_program__is_type(prog, BPF_PROG_TYPE_TRACEPOINT); +} + +bool bpf_program__is_kprobe(struct bpf_program *prog) +{ + return bpf_program__is_type(prog, BPF_PROG_TYPE_KPROBE); +} + +int bpf_map__fd(struct bpf_map *map) +{ + return map ? map->fd : -EINVAL; } -int bpf_map__set_private(struct bpf_map *map, void *priv, - bpf_map_clear_priv_t clear_priv) +const struct bpf_map_def *bpf_map__def(struct bpf_map *map) +{ + return map ? &map->def : ERR_PTR(-EINVAL); +} + +const char *bpf_map__name(struct bpf_map *map) +{ + return map ? map->name : NULL; +} + +int bpf_map__set_priv(struct bpf_map *map, void *priv, + bpf_map_clear_priv_t clear_priv) { if (!map) return -EINVAL; @@ -1351,14 +1399,9 @@ int bpf_map__set_private(struct bpf_map *map, void *priv, return 0; } -int bpf_map__get_private(struct bpf_map *map, void **ppriv) +void *bpf_map__priv(struct bpf_map *map) { - if (!map) - return -EINVAL; - - if (ppriv) - *ppriv = map->priv; - return 0; + return map ? map->priv : ERR_PTR(-EINVAL); } struct bpf_map * @@ -1389,7 +1432,7 @@ bpf_map__next(struct bpf_map *prev, struct bpf_object *obj) } struct bpf_map * -bpf_object__get_map_by_name(struct bpf_object *obj, const char *name) +bpf_object__find_map_by_name(struct bpf_object *obj, const char *name) { struct bpf_map *pos; diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h index a51594c7b518..dd7a513efb10 100644 --- a/tools/lib/bpf/libbpf.h +++ b/tools/lib/bpf/libbpf.h @@ -4,6 +4,19 @@ * Copyright (C) 2013-2015 Alexei Starovoitov <ast@kernel.org> * Copyright (C) 2015 Wang Nan <wangnan0@huawei.com> * Copyright (C) 2015 Huawei Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License (not later!) + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, see <http://www.gnu.org/licenses> */ #ifndef __BPF_LIBBPF_H #define __BPF_LIBBPF_H @@ -19,13 +32,14 @@ enum libbpf_errno { LIBBPF_ERRNO__LIBELF = __LIBBPF_ERRNO__START, LIBBPF_ERRNO__FORMAT, /* BPF object format invalid */ LIBBPF_ERRNO__KVERSION, /* Incorrect or no 'version' section */ - LIBBPF_ERRNO__ENDIAN, /* Endian missmatch */ + LIBBPF_ERRNO__ENDIAN, /* Endian mismatch */ LIBBPF_ERRNO__INTERNAL, /* Internal error in libbpf */ LIBBPF_ERRNO__RELOC, /* Relocation failed */ LIBBPF_ERRNO__LOAD, /* Load program failure for unknown reason */ LIBBPF_ERRNO__VERIFY, /* Kernel verifier blocks program loading */ LIBBPF_ERRNO__PROG2BIG, /* Program too big */ LIBBPF_ERRNO__KVER, /* Incorrect kernel version */ + LIBBPF_ERRNO__PROGTYPE, /* Kernel doesn't support this program type */ __LIBBPF_ERRNO__END, }; @@ -55,8 +69,8 @@ void bpf_object__close(struct bpf_object *object); /* Load/unload object into/from kernel */ int bpf_object__load(struct bpf_object *obj); int bpf_object__unload(struct bpf_object *obj); -const char *bpf_object__get_name(struct bpf_object *obj); -unsigned int bpf_object__get_kversion(struct bpf_object *obj); +const char *bpf_object__name(struct bpf_object *obj); +unsigned int bpf_object__kversion(struct bpf_object *obj); struct bpf_object *bpf_object__next(struct bpf_object *prev); #define bpf_object__for_each_safe(pos, tmp) \ @@ -78,11 +92,10 @@ struct bpf_program *bpf_program__next(struct bpf_program *prog, typedef void (*bpf_program_clear_priv_t)(struct bpf_program *, void *); -int bpf_program__set_private(struct bpf_program *prog, void *priv, - bpf_program_clear_priv_t clear_priv); +int bpf_program__set_priv(struct bpf_program *prog, void *priv, + bpf_program_clear_priv_t clear_priv); -int bpf_program__get_private(struct bpf_program *prog, - void **ppriv); +void *bpf_program__priv(struct bpf_program *prog); const char *bpf_program__title(struct bpf_program *prog, bool needs_copy); @@ -153,6 +166,15 @@ int bpf_program__set_prep(struct bpf_program *prog, int nr_instance, int bpf_program__nth_fd(struct bpf_program *prog, int n); /* + * Adjust type of bpf program. Default is kprobe. + */ +int bpf_program__set_tracepoint(struct bpf_program *prog); +int bpf_program__set_kprobe(struct bpf_program *prog); + +bool bpf_program__is_tracepoint(struct bpf_program *prog); +bool bpf_program__is_kprobe(struct bpf_program *prog); + +/* * We don't need __attribute__((packed)) now since it is * unnecessary for 'bpf_map_def' because they are all aligned. * In addition, using it will trigger -Wpacked warning message, @@ -171,7 +193,7 @@ struct bpf_map_def { */ struct bpf_map; struct bpf_map * -bpf_object__get_map_by_name(struct bpf_object *obj, const char *name); +bpf_object__find_map_by_name(struct bpf_object *obj, const char *name); struct bpf_map * bpf_map__next(struct bpf_map *map, struct bpf_object *obj); @@ -180,13 +202,13 @@ bpf_map__next(struct bpf_map *map, struct bpf_object *obj); (pos) != NULL; \ (pos) = bpf_map__next((pos), (obj))) -int bpf_map__get_fd(struct bpf_map *map); -int bpf_map__get_def(struct bpf_map *map, struct bpf_map_def *pdef); -const char *bpf_map__get_name(struct bpf_map *map); +int bpf_map__fd(struct bpf_map *map); +const struct bpf_map_def *bpf_map__def(struct bpf_map *map); +const char *bpf_map__name(struct bpf_map *map); typedef void (*bpf_map_clear_priv_t)(struct bpf_map *, void *); -int bpf_map__set_private(struct bpf_map *map, void *priv, - bpf_map_clear_priv_t clear_priv); -int bpf_map__get_private(struct bpf_map *map, void **ppriv); +int bpf_map__set_priv(struct bpf_map *map, void *priv, + bpf_map_clear_priv_t clear_priv); +void *bpf_map__priv(struct bpf_map *map); #endif diff --git a/tools/lib/str_error_r.c b/tools/lib/str_error_r.c new file mode 100644 index 000000000000..503ae072244c --- /dev/null +++ b/tools/lib/str_error_r.c @@ -0,0 +1,26 @@ +#undef _GNU_SOURCE +#include <string.h> +#include <stdio.h> +#include <linux/string.h> + +/* + * The tools so far have been using the strerror_r() GNU variant, that returns + * a string, be it the buffer passed or something else. + * + * But that, besides being tricky in cases where we expect that the function + * using strerror_r() returns the error formatted in a provided buffer (we have + * to check if it returned something else and copy that instead), breaks the + * build on systems not using glibc, like Alpine Linux, where musl libc is + * used. + * + * So, introduce yet another wrapper, str_error_r(), that has the GNU + * interface, but uses the portable XSI variant of strerror_r(), so that users + * rest asured that the provided buffer is used and it is what is returned. + */ +char *str_error_r(int errnum, char *buf, size_t buflen) +{ + int err = strerror_r(errnum, buf, buflen); + if (err) + snprintf(buf, buflen, "INTERNAL ERROR: strerror_r(%d, %p, %zd)=%d", errnum, buf, buflen, err); + return buf; +} diff --git a/tools/lib/subcmd/Makefile b/tools/lib/subcmd/Makefile index a8103700c172..ce4b7e527566 100644 --- a/tools/lib/subcmd/Makefile +++ b/tools/lib/subcmd/Makefile @@ -19,7 +19,13 @@ MAKEFLAGS += --no-print-directory LIBFILE = $(OUTPUT)libsubcmd.a CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) -CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC +CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -O6 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC + +# Treat warnings as errors unless directed not to +ifneq ($(WERROR),0) + CFLAGS += -Werror +endif + CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE CFLAGS += -I$(srctree)/tools/include/ diff --git a/tools/lib/subcmd/run-command.c b/tools/lib/subcmd/run-command.c index f4f6c9eb8e59..911f83942723 100644 --- a/tools/lib/subcmd/run-command.c +++ b/tools/lib/subcmd/run-command.c @@ -3,6 +3,7 @@ #include <sys/stat.h> #include <fcntl.h> #include <string.h> +#include <linux/string.h> #include <errno.h> #include <sys/wait.h> #include "subcmd-util.h" @@ -109,7 +110,7 @@ int start_command(struct child_process *cmd) if (cmd->dir && chdir(cmd->dir)) die("exec %s: cd to %s failed (%s)", cmd->argv[0], - cmd->dir, strerror_r(errno, sbuf, sizeof(sbuf))); + cmd->dir, str_error_r(errno, sbuf, sizeof(sbuf))); if (cmd->env) { for (; *cmd->env; cmd->env++) { if (strchr(*cmd->env, '=')) @@ -173,7 +174,7 @@ static int wait_or_whine(pid_t pid) if (errno == EINTR) continue; fprintf(stderr, " Error: waitpid failed (%s)", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); return -ERR_RUN_COMMAND_WAITPID; } if (waiting != pid) diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index a8b6357d1ffe..664c90c8e22b 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -23,6 +23,7 @@ * Frederic Weisbecker gave his permission to relicense the code to * the Lesser General Public License. */ +#include <inttypes.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -31,8 +32,9 @@ #include <errno.h> #include <stdint.h> #include <limits.h> +#include <linux/string.h> -#include <netinet/ip6.h> +#include <netinet/in.h> #include "event-parse.h" #include "event-utils.h" @@ -6131,12 +6133,7 @@ int pevent_strerror(struct pevent *pevent __maybe_unused, const char *msg; if (errnum >= 0) { - msg = strerror_r(errnum, buf, buflen); - if (msg != buf) { - size_t len = strlen(msg); - memcpy(buf, msg, min(buflen - 1, len)); - *(buf + min(buflen - 1, len)) = '\0'; - } + str_error_r(errnum, buf, buflen); return 0; } diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c index 88cccea3ca99..7c214ceb9386 100644 --- a/tools/lib/traceevent/parse-filter.c +++ b/tools/lib/traceevent/parse-filter.c @@ -28,11 +28,16 @@ #include "event-utils.h" #define COMM "COMM" +#define CPU "CPU" static struct format_field comm = { .name = "COMM", }; +static struct format_field cpu = { + .name = "CPU", +}; + struct event_list { struct event_list *next; struct event_format *event; @@ -382,14 +387,17 @@ create_arg_item(struct event_format *event, const char *token, /* Consider this a field */ field = pevent_find_any_field(event, token); if (!field) { - if (strcmp(token, COMM) != 0) { + /* If token is 'COMM' or 'CPU' then it is special */ + if (strcmp(token, COMM) == 0) { + field = &comm; + } else if (strcmp(token, CPU) == 0) { + field = &cpu; + } else { /* not a field, Make it false */ arg->type = FILTER_ARG_BOOLEAN; arg->boolean.value = FILTER_FALSE; break; } - /* If token is 'COMM' then it is special */ - field = &comm; } arg->type = FILTER_ARG_FIELD; arg->field.field = field; @@ -1718,6 +1726,10 @@ get_value(struct event_format *event, return (unsigned long)name; } + /* Handle our dummy "cpu" field */ + if (field == &cpu) + return record->cpu; + pevent_read_number_field(field, record->data, &val); if (!(field->flags & FIELD_IS_SIGNED)) diff --git a/tools/lib/vsprintf.c b/tools/lib/vsprintf.c new file mode 100644 index 000000000000..45f9a06daa56 --- /dev/null +++ b/tools/lib/vsprintf.c @@ -0,0 +1,24 @@ +#include <sys/types.h> +#include <linux/kernel.h> +#include <stdio.h> + +int vscnprintf(char *buf, size_t size, const char *fmt, va_list args) +{ + int i = vsnprintf(buf, size, fmt, args); + ssize_t ssize = size; + + return (i >= ssize) ? (ssize - 1) : i; +} + +int scnprintf(char * buf, size_t size, const char * fmt, ...) +{ + ssize_t ssize = size; + va_list args; + int i; + + va_start(args, fmt); + i = vsnprintf(buf, size, fmt, args); + va_end(args); + + return (i >= ssize) ? (ssize - 1) : i; +} diff --git a/tools/objtool/Build b/tools/objtool/Build index 0e89258a3541..d6cdece5e58b 100644 --- a/tools/objtool/Build +++ b/tools/objtool/Build @@ -1,13 +1,18 @@ -objtool-y += arch/$(ARCH)/ +objtool-y += arch/$(SRCARCH)/ objtool-y += builtin-check.o objtool-y += elf.o objtool-y += special.o objtool-y += objtool.o objtool-y += libstring.o +objtool-y += str_error_r.o CFLAGS += -I$(srctree)/tools/lib $(OUTPUT)libstring.o: ../lib/string.c FORCE $(call rule_mkdir) $(call if_changed_dep,cc_o_c) + +$(OUTPUT)str_error_r.o: ../lib/str_error_r.c FORCE + $(call rule_mkdir) + $(call if_changed_dep,cc_o_c) diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile index f094f3c4ed84..0b437700f688 100644 --- a/tools/objtool/Makefile +++ b/tools/objtool/Makefile @@ -1,11 +1,9 @@ include ../scripts/Makefile.include +include ../scripts/Makefile.arch -ifndef ($(ARCH)) -ARCH ?= $(shell uname -m) ifeq ($(ARCH),x86_64) ARCH := x86 endif -endif # always use the host compiler CC = gcc @@ -26,7 +24,7 @@ OBJTOOL_IN := $(OBJTOOL)-in.o all: $(OBJTOOL) -INCLUDES := -I$(srctree)/tools/include +INCLUDES := -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(HOSTARCH)/include/uapi CFLAGS += -Wall -Werror $(EXTRA_WARNINGS) -fomit-frame-pointer -O2 -g $(INCLUDES) LDFLAGS += -lelf $(LIBSUBCMD) @@ -35,14 +33,17 @@ elfshdr := $(shell echo '\#include <libelf.h>' | $(CC) $(CFLAGS) -x c -E - | gre CFLAGS += $(if $(elfshdr),,-DLIBELF_USE_DEPRECATED) AWK = awk -export srctree OUTPUT CFLAGS ARCH AWK +export srctree OUTPUT CFLAGS SRCARCH AWK include $(srctree)/tools/build/Makefile.include $(OBJTOOL_IN): fixdep FORCE @$(MAKE) $(build)=objtool +# Busybox's diff doesn't have -I, avoid warning in that case +# $(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN) - @(test -d ../../kernel -a -d ../../tools -a -d ../objtool && (( \ + @(diff -I 2>&1 | grep -q 'option requires an argument' && \ + test -d ../../kernel -a -d ../../tools -a -d ../objtool && (( \ diff -I'^#include' arch/x86/insn/insn.c ../../arch/x86/lib/insn.c >/dev/null && \ diff -I'^#include' arch/x86/insn/inat.c ../../arch/x86/lib/inat.c >/dev/null && \ diff arch/x86/insn/x86-opcode-map.txt ../../arch/x86/lib/x86-opcode-map.txt >/dev/null && \ diff --git a/tools/objtool/builtin-check.c b/tools/objtool/builtin-check.c index e8a1e69eb92c..17fa7fc34fdf 100644 --- a/tools/objtool/builtin-check.c +++ b/tools/objtool/builtin-check.c @@ -26,6 +26,7 @@ */ #include <string.h> +#include <stdlib.h> #include <subcmd/parse-options.h> #include "builtin.h" @@ -122,10 +123,14 @@ static bool ignore_func(struct objtool_file *file, struct symbol *func) /* check for STACK_FRAME_NON_STANDARD */ if (file->whitelist && file->whitelist->rela) - list_for_each_entry(rela, &file->whitelist->rela->rela_list, list) - if (rela->sym->sec == func->sec && + list_for_each_entry(rela, &file->whitelist->rela->rela_list, list) { + if (rela->sym->type == STT_SECTION && + rela->sym->sec == func->sec && rela->addend == func->offset) return true; + if (rela->sym->type == STT_FUNC && rela->sym == func) + return true; + } /* check if it has a context switching instruction */ func_for_each_insn(file, func, insn) @@ -663,7 +668,7 @@ static int add_func_switch_tables(struct objtool_file *file, struct symbol *func) { struct instruction *insn, *prev_jump; - struct rela *text_rela, *rodata_rela, *prev_rela; + struct rela *text_rela, *rodata_rela, *prev_rela = NULL; int ret; prev_jump = NULL; diff --git a/tools/objtool/elf.c b/tools/objtool/elf.c index e11f6b69cce6..0d7983ac63ef 100644 --- a/tools/objtool/elf.c +++ b/tools/objtool/elf.c @@ -30,6 +30,13 @@ #include "elf.h" #include "warn.h" +/* + * Fallback for systems without this "read, mmaping if possible" cmd. + */ +#ifndef ELF_C_READ_MMAP +#define ELF_C_READ_MMAP ELF_C_READ +#endif + struct section *find_section_by_name(struct elf *elf, const char *name) { struct section *sec; diff --git a/tools/perf/.gitignore b/tools/perf/.gitignore index 3d1bb802dbf4..3db3db9278be 100644 --- a/tools/perf/.gitignore +++ b/tools/perf/.gitignore @@ -30,3 +30,4 @@ config.mak.autogen *.pyo .config-detected util/intel-pt-decoder/inat-tables.c +arch/*/include/generated/ diff --git a/tools/perf/Documentation/android.txt b/tools/perf/Documentation/android.txt index 8484c3a04a6a..24a59998fc91 100644 --- a/tools/perf/Documentation/android.txt +++ b/tools/perf/Documentation/android.txt @@ -12,14 +12,14 @@ Set the NDK variable to point to the path where you installed the NDK: 2. Set cross-compiling environment variables for NDK toolchain and sysroot. For arm: - export NDK_TOOLCHAIN=${NDK}/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86/bin/arm-linux-androideabi- - export NDK_SYSROOT=${NDK}/platforms/android-9/arch-arm + export NDK_TOOLCHAIN=${NDK}/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi- + export NDK_SYSROOT=${NDK}/platforms/android-24/arch-arm For x86: - export NDK_TOOLCHAIN=${NDK}/toolchains/x86-4.6/prebuilt/linux-x86/bin/i686-linux-android- - export NDK_SYSROOT=${NDK}/platforms/android-9/arch-x86 + export NDK_TOOLCHAIN=${NDK}/toolchains/x86-4.9/prebuilt/linux-x86_64/bin/i686-linux-android- + export NDK_SYSROOT=${NDK}/platforms/android-24/arch-x86 -This method is not working for Android NDK versions up to Revision 8b. -perf uses some bionic enhancements that are not included in these NDK versions. +This method is only tested for Android NDK versions Revision 11b and later. +perf uses some bionic enhancements that are not included in prior NDK versions. You can use method (b) described below instead. (b). Use the Android source tree @@ -49,9 +49,9 @@ II. Compile perf for Android ------------------------------------------------ You need to run make with the NDK toolchain and sysroot defined above: For arm: - make ARCH=arm CROSS_COMPILE=${NDK_TOOLCHAIN} CFLAGS="--sysroot=${NDK_SYSROOT}" + make WERROR=0 ARCH=arm CROSS_COMPILE=${NDK_TOOLCHAIN} EXTRA_CFLAGS="-pie --sysroot=${NDK_SYSROOT}" For x86: - make ARCH=x86 CROSS_COMPILE=${NDK_TOOLCHAIN} CFLAGS="--sysroot=${NDK_SYSROOT}" + make WERROR=0 ARCH=x86 CROSS_COMPILE=${NDK_TOOLCHAIN} EXTRA_CFLAGS="-pie --sysroot=${NDK_SYSROOT}" III. Install perf ----------------------------------------------- diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt index 778f54d4d0bd..8ffbd272952d 100644 --- a/tools/perf/Documentation/perf-annotate.txt +++ b/tools/perf/Documentation/perf-annotate.txt @@ -61,6 +61,13 @@ OPTIONS --stdio:: Use the stdio interface. +--stdio-color:: + 'always', 'never' or 'auto', allowing configuring color output + via the command line, in addition to via "color.ui" .perfconfig. + Use '--stdio-color always' to generate color even when redirecting + to a pipe or file. Using just '--stdio-color' is equivalent to + using 'always'. + --tui:: Use the TUI interface. Use of --tui requires a tty, if one is not present, as when piping to other commands, the stdio interface is used. This interfaces starts by centering on the line with more diff --git a/tools/perf/Documentation/perf-buildid-cache.txt b/tools/perf/Documentation/perf-buildid-cache.txt index dd07b55f58d8..058064db39d2 100644 --- a/tools/perf/Documentation/perf-buildid-cache.txt +++ b/tools/perf/Documentation/perf-buildid-cache.txt @@ -15,6 +15,9 @@ DESCRIPTION This command manages the build-id cache. It can add, remove, update and purge files to/from the cache. In the future it should as well set upper limits for the space used by the cache, etc. +This also scans the target binary for SDT (Statically Defined Tracing) and +record it along with the buildid-cache, which will be used by perf-probe. +For more details, see linkperf:perf-probe[1]. OPTIONS ------- diff --git a/tools/perf/Documentation/perf-data.txt b/tools/perf/Documentation/perf-data.txt index be8fa1a0a97e..f0796a47dfa3 100644 --- a/tools/perf/Documentation/perf-data.txt +++ b/tools/perf/Documentation/perf-data.txt @@ -34,6 +34,10 @@ OPTIONS for 'convert' --verbose:: Be more verbose (show counter open errors, etc). +--all:: + Convert all events, including non-sample events (comm, fork, ...), to output. + Default is off, only convert samples. + SEE ALSO -------- linkperf:perf[1] diff --git a/tools/perf/Documentation/perf-mem.txt b/tools/perf/Documentation/perf-mem.txt index 1d6092c460dd..73496320fca3 100644 --- a/tools/perf/Documentation/perf-mem.txt +++ b/tools/perf/Documentation/perf-mem.txt @@ -56,6 +56,9 @@ OPTIONS --all-user:: Configure all used events to run in user space. +--ldload:: + Specify desired latency for loads event. + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-report[1] diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt index 3a8a9ba2b041..736da44596e4 100644 --- a/tools/perf/Documentation/perf-probe.txt +++ b/tools/perf/Documentation/perf-probe.txt @@ -67,7 +67,10 @@ OPTIONS -l:: --list[=[GROUP:]EVENT]:: - List up current probe events. This can also accept filtering patterns of event names. + List up current probe events. This can also accept filtering patterns of + event names. + When this is used with --cache, perf shows all cached probes instead of + the live probes. -L:: --line=:: @@ -109,6 +112,12 @@ OPTIONS Dry run. With this option, --add and --del doesn't execute actual adding and removal operations. +--cache:: + (With --add) Cache the probes. Any events which successfully added + are also stored in the cache file. + (With --list) Show cached probes. + (With --del) Remove cached probes. + --max-probes=NUM:: Set the maximum number of probe points for an event. Default is 128. @@ -134,19 +143,30 @@ PROBE SYNTAX Probe points are defined by following syntax. 1) Define event based on function name - [EVENT=]FUNC[@SRC][:RLN|+OFFS|%return|;PTN] [ARG ...] + [[GROUP:]EVENT=]FUNC[@SRC][:RLN|+OFFS|%return|;PTN] [ARG ...] 2) Define event based on source file with line number - [EVENT=]SRC:ALN [ARG ...] + [[GROUP:]EVENT=]SRC:ALN [ARG ...] 3) Define event based on source file with lazy pattern - [EVENT=]SRC;PTN [ARG ...] + [[GROUP:]EVENT=]SRC;PTN [ARG ...] + 4) Pre-defined SDT events or cached event with name + %[sdt_PROVIDER:]SDTEVENT + or, + sdt_PROVIDER:SDTEVENT -'EVENT' specifies the name of new event, if omitted, it will be set the name of the probed function. Currently, event group name is set as 'probe'. +'EVENT' specifies the name of new event, if omitted, it will be set the name of the probed function. You can also specify a group name by 'GROUP', if omitted, set 'probe' is used for kprobe and 'probe_<bin>' is used for uprobe. +Note that using existing group name can conflict with other events. Especially, using the group name reserved for kernel modules can hide embedded events in the +modules. 'FUNC' specifies a probed function name, and it may have one of the following options; '+OFFS' is the offset from function entry address in bytes, ':RLN' is the relative-line number from function entry line, and '%return' means that it probes function return. And ';PTN' means lazy matching pattern (see LAZY MATCHING). Note that ';PTN' must be the end of the probe point definition. In addition, '@SRC' specifies a source file which has that function. It is also possible to specify a probe point by the source line number or lazy matching by using 'SRC:ALN' or 'SRC;PTN' syntax, where 'SRC' is the source file path, ':ALN' is the line number and ';PTN' is the lazy matching pattern. 'ARG' specifies the arguments of this probe point, (see PROBE ARGUMENT). +'SDTEVENT' and 'PROVIDER' is the pre-defined event name which is defined by user SDT (Statically Defined Tracing) or the pre-cached probes with event name. +Note that before using the SDT event, the target binary (on which SDT events are defined) must be scanned by linkperf:perf-buildid-cache[1] to make SDT events as cached events. + +For details of the SDT, see below. +https://sourceware.org/gdb/onlinedocs/gdb/Static-Probe-Points.html PROBE ARGUMENT -------------- @@ -226,4 +246,4 @@ Add probes at malloc() function on libc SEE ALSO -------- -linkperf:perf-trace[1], linkperf:perf-record[1] +linkperf:perf-trace[1], linkperf:perf-record[1], linkperf:perf-buildid-cache[1] diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 8dbee832abd9..69966abf65d1 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -360,6 +360,35 @@ particular perf.data snapshot should be kept or not. Implies --timestamp-filename, --no-buildid and --no-buildid-cache. +--dry-run:: +Parse options then exit. --dry-run can be used to detect errors in cmdline +options. + +'perf record --dry-run -e' can act as a BPF script compiler if llvm.dump-obj +in config file is set to true. + +--tail-synthesize:: +Instead of collecting non-sample events (for example, fork, comm, mmap) at +the beginning of record, collect them during finalizing an output file. +The collected non-sample events reflects the status of the system when +record is finished. + +--overwrite:: +Makes all events use an overwritable ring buffer. An overwritable ring +buffer works like a flight recorder: when it gets full, the kernel will +overwrite the oldest records, that thus will never make it to the +perf.data file. + +When '--overwrite' and '--switch-output' are used perf records and drops +events until it receives a signal, meaning that something unusual was +detected that warrants taking a snapshot of the most current events, +those fitting in the ring buffer at that moment. + +'overwrite' attribute can also be set or canceled for an event using +config terms. For example: 'cycles/overwrite/' and 'instructions/no-overwrite/'. + +Implies --tail-synthesize. + SEE ALSO -------- linkperf:perf-stat[1], linkperf:perf-list[1] diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 9cbddc290aff..2d1746295abf 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -265,6 +265,13 @@ OPTIONS --stdio:: Use the stdio interface. +--stdio-color:: + 'always', 'never' or 'auto', allowing configuring color output + via the command line, in addition to via "color.ui" .perfconfig. + Use '--stdio-color always' to generate color even when redirecting + to a pipe or file. Using just '--stdio-color' is equivalent to + using 'always'. + --tui:: Use the TUI interface, that is integrated with annotate and allows zooming into DSOs or threads, among other features. Use of --tui requires a tty, if one is not present, as when piping to other diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index 4fc44c75263f..1f6c70594f0f 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -119,13 +119,13 @@ OPTIONS srcline, period, iregs, brstack, brstacksym, flags. Field list can be prepended with the type, trace, sw or hw, to indicate to which event type the field list applies. - e.g., -f sw:comm,tid,time,ip,sym and -f trace:time,cpu,trace + e.g., -F sw:comm,tid,time,ip,sym and -F trace:time,cpu,trace - perf script -f <fields> + perf script -F <fields> is equivalent to: - perf script -f trace:<fields> -f sw:<fields> -f hw:<fields> + perf script -F trace:<fields> -F sw:<fields> -F hw:<fields> i.e., the specified fields apply to all event types if the type string is not given. @@ -133,9 +133,9 @@ OPTIONS The arguments are processed in the order received. A later usage can reset a prior request. e.g.: - -f trace: -f comm,tid,time,ip,sym + -F trace: -F comm,tid,time,ip,sym - The first -f suppresses trace events (field list is ""), but then the + The first -F suppresses trace events (field list is ""), but then the second invocation sets the fields to comm,tid,time,ip,sym. In this case a warning is given to the user: @@ -143,9 +143,9 @@ OPTIONS Alternatively, consider the order: - -f comm,tid,time,ip,sym -f trace: + -F comm,tid,time,ip,sym -F trace: - The first -f sets the fields for all events and the second -f + The first -F sets the fields for all events and the second -F suppresses trace events. The user is given a warning message about the override, and the result of the above is that only S/W and H/W events are displayed with the given fields. @@ -154,14 +154,14 @@ OPTIONS event type, a message is displayed to the user that the option is ignored for that type. For example: - $ perf script -f comm,tid,trace + $ perf script -F comm,tid,trace 'trace' not valid for hardware events. Ignoring. 'trace' not valid for software events. Ignoring. Alternatively, if the type is given an invalid field is specified it is an error. For example: - perf script -v -f sw:comm,tid,trace + perf script -v -F sw:comm,tid,trace 'trace' not valid for software events. At this point usage is displayed, and perf-script exits. @@ -170,10 +170,19 @@ OPTIONS Trace decoding. The flags are "bcrosyiABEx" which stand for branch, call, return, conditional, system, asynchronous, interrupt, transaction abort, trace begin, trace end, and in transaction, - respectively. + respectively. Known combinations of flags are printed more nicely e.g. + "call" for "bc", "return" for "br", "jcc" for "bo", "jmp" for "b", + "int" for "bci", "iret" for "bri", "syscall" for "bcs", "sysret" for "brs", + "async" for "by", "hw int" for "bcyi", "tx abrt" for "bA", "tr strt" for "bB", + "tr end" for "bE". However the "x" flag will be display separately in those + cases e.g. "jcc (x)" for a condition branch within a transaction. + + The callindent field is synthesized and may have a value when + Instruction Trace decoding. For calls and returns, it will display the + name of the symbol indented with spaces to reflect the stack depth. Finally, a user may not set fields to none for all event types. - i.e., -f "" is not allowed. + i.e., -F "" is not allowed. The brstack output includes branch related information with raw addresses using the /v/v/v/v/ syntax in the following order: diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 04f23b404bbc..d96ccd4844df 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -204,6 +204,38 @@ Aggregate counts per physical processor for system-wide mode measurements. --no-aggr:: Do not aggregate counts across all monitored CPUs. +--topdown:: +Print top down level 1 metrics if supported by the CPU. This allows to +determine bottle necks in the CPU pipeline for CPU bound workloads, +by breaking the cycles consumed down into frontend bound, backend bound, +bad speculation and retiring. + +Frontend bound means that the CPU cannot fetch and decode instructions fast +enough. Backend bound means that computation or memory access is the bottle +neck. Bad Speculation means that the CPU wasted cycles due to branch +mispredictions and similar issues. Retiring means that the CPU computed without +an apparently bottleneck. The bottleneck is only the real bottleneck +if the workload is actually bound by the CPU and not by something else. + +For best results it is usually a good idea to use it with interval +mode like -I 1000, as the bottleneck of workloads can change often. + +The top down metrics are collected per core instead of per +CPU thread. Per core mode is automatically enabled +and -a (global monitoring) is needed, requiring root rights or +perf.perf_event_paranoid=-1. + +Topdown uses the full Performance Monitoring Unit, and needs +disabling of the NMI watchdog (as root): +echo 0 > /proc/sys/kernel/nmi_watchdog +for best results. Otherwise the bottlenecks may be inconsistent +on workload with changing phases. + +This enables --metric-only, unless overriden with --no-metric-only. + +To interpret the results it is usually needed to know on which +CPUs the workload runs on. If needed the CPUs can be forced using +taskset. EXAMPLES -------- diff --git a/tools/perf/Documentation/perf-test.txt b/tools/perf/Documentation/perf-test.txt index 31a5c3ea7f74..b329c65d7f40 100644 --- a/tools/perf/Documentation/perf-test.txt +++ b/tools/perf/Documentation/perf-test.txt @@ -30,3 +30,7 @@ OPTIONS -v:: --verbose:: Be more verbose. + +-F:: +--dont-fork:: + Do not fork child for each test, run all tests within single process. diff --git a/tools/perf/Documentation/perf.data-file-format.txt b/tools/perf/Documentation/perf.data-file-format.txt new file mode 100644 index 000000000000..fdc99fe6bbc3 --- /dev/null +++ b/tools/perf/Documentation/perf.data-file-format.txt @@ -0,0 +1,442 @@ +perf.data format + +Uptodate as of v4.7 + +This document describes the on-disk perf.data format, generated by perf record +or perf inject and consumed by the other perf tools. + +On a high level perf.data contains the events generated by the PMUs, plus metadata. + +All fields are in native-endian of the machine that generated the perf.data. + +When perf is writing to a pipe it uses a special version of the file +format that does not rely on seeking to adjust data offsets. This +format is not described here. The pipe version can be converted to +normal perf.data with perf inject. + +The file starts with a perf_header: + +struct perf_header { + char magic[8]; /* PERFILE2 */ + uint64_t size; /* size of the header */ + uint64_t attr_size; /* size of an attribute in attrs */ + struct perf_file_section attrs; + struct perf_file_section data; + struct perf_file_section event_types; + uint64_t flags; + uint64_t flags1[3]; +}; + +The magic number identifies the perf file and the version. Current perf versions +use PERFILE2. Old perf versions generated a version 1 format (PERFFILE). Version 1 +is not described here. The magic number also identifies the endian. When the +magic value is 64bit byte swapped compared the file is in non-native +endian. + +A perf_file_section contains a pointer to another section of the perf file. +The header contains three such pointers: for attributes, data and event types. + +struct perf_file_section { + uint64_t offset; /* offset from start of file */ + uint64_t size; /* size of the section */ +}; + +Flags section: + +The header is followed by different optional headers, described by the bits set +in flags. Only headers for which the bit is set are included. Each header +consists of a perf_file_section located after the initial header. +The respective perf_file_section points to the data of the additional +header and defines its size. + +Some headers consist of strings, which are defined like this: + +struct perf_header_string { + uint32_t len; + char string[len]; /* zero terminated */ +}; + +Some headers consist of a sequence of strings, which start with a + +struct perf_header_string_list { + uint32_t nr; + struct perf_header_string strings[nr]; /* variable length records */ +}; + +The bits are the flags bits in a 256 bit bitmap starting with +flags. These define the valid bits: + + HEADER_RESERVED = 0, /* always cleared */ + HEADER_FIRST_FEATURE = 1, + HEADER_TRACING_DATA = 1, + +Describe me. + + HEADER_BUILD_ID = 2, + +The header consists of an sequence of build_id_event. The size of each record +is defined by header.size (see perf_event.h). Each event defines a ELF build id +for a executable file name for a pid. An ELF build id is a unique identifier +assigned by the linker to an executable. + +struct build_id_event { + struct perf_event_header header; + pid_t pid; + uint8_t build_id[24]; + char filename[header.size - offsetof(struct build_id_event, filename)]; +}; + + HEADER_HOSTNAME = 3, + +A perf_header_string with the hostname where the data was collected +(uname -n) + + HEADER_OSRELEASE = 4, + +A perf_header_string with the os release where the data was collected +(uname -r) + + HEADER_VERSION = 5, + +A perf_header_string with the perf user tool version where the +data was collected. This is the same as the version of the source tree +the perf tool was built from. + + HEADER_ARCH = 6, + +A perf_header_string with the CPU architecture (uname -m) + + HEADER_NRCPUS = 7, + +A structure defining the number of CPUs. + +struct nr_cpus { + uint32_t nr_cpus_online; + uint32_t nr_cpus_available; /* CPUs not yet onlined */ +}; + + HEADER_CPUDESC = 8, + +A perf_header_string with description of the CPU. On x86 this is the model name +in /proc/cpuinfo + + HEADER_CPUID = 9, + +A perf_header_string with the exact CPU type. On x86 this is +vendor,family,model,stepping. For example: GenuineIntel,6,69,1 + + HEADER_TOTAL_MEM = 10, + +An uint64_t with the total memory in bytes. + + HEADER_CMDLINE = 11, + +A perf_header_string with the perf command line used to collect the data. + + HEADER_EVENT_DESC = 12, + +Another description of the perf_event_attrs, more detailed than header.attrs +including IDs and names. See perf_event.h or the man page for a description +of a struct perf_event_attr. + +struct { + uint32_t nr; /* number of events */ + uint32_t attr_size; /* size of each perf_event_attr */ + struct { + struct perf_event_attr attr; /* size of attr_size */ + uint32_t nr_ids; + struct perf_header_string event_string; + uint64_t ids[nr_ids]; + } events[nr]; /* Variable length records */ +}; + + HEADER_CPU_TOPOLOGY = 13, + +String lists defining the core and CPU threads topology. + +struct { + struct perf_header_string_list cores; /* Variable length */ + struct perf_header_string_list threads; /* Variable length */ +}; + +Example: + sibling cores : 0-3 + sibling threads : 0-1 + sibling threads : 2-3 + + HEADER_NUMA_TOPOLOGY = 14, + + A list of NUMA node descriptions + +struct { + uint32_t nr; + struct { + uint32_t nodenr; + uint64_t mem_total; + uint64_t mem_free; + struct perf_header_string cpus; + } nodes[nr]; /* Variable length records */ +}; + + HEADER_BRANCH_STACK = 15, + +Not implemented in perf. + + HEADER_PMU_MAPPINGS = 16, + + A list of PMU structures, defining the different PMUs supported by perf. + +struct { + uint32_t nr; + struct pmu { + uint32_t pmu_type; + struct perf_header_string pmu_name; + } [nr]; /* Variable length records */ +}; + + HEADER_GROUP_DESC = 17, + + Description of counter groups ({...} in perf syntax) + +struct { + uint32_t nr; + struct { + struct perf_header_string string; + uint32_t leader_idx; + uint32_t nr_members; + } [nr]; /* Variable length records */ +}; + + HEADER_AUXTRACE = 18, + +Define additional auxtrace areas in the perf.data. auxtrace is used to store +undecoded hardware tracing information, such as Intel Processor Trace data. + +/** + * struct auxtrace_index_entry - indexes a AUX area tracing event within a + * perf.data file. + * @file_offset: offset within the perf.data file + * @sz: size of the event + */ +struct auxtrace_index_entry { + u64 file_offset; + u64 sz; +}; + +#define PERF_AUXTRACE_INDEX_ENTRY_COUNT 256 + +/** + * struct auxtrace_index - index of AUX area tracing events within a perf.data + * file. + * @list: linking a number of arrays of entries + * @nr: number of entries + * @entries: array of entries + */ +struct auxtrace_index { + struct list_head list; + size_t nr; + struct auxtrace_index_entry entries[PERF_AUXTRACE_INDEX_ENTRY_COUNT]; +}; + + other bits are reserved and should ignored for now + HEADER_FEAT_BITS = 256, + +Attributes + +This is an array of perf_event_attrs, each attr_size bytes long, which defines +each event collected. See perf_event.h or the man page for a detailed +description. + +Data + +This section is the bulk of the file. It consist of a stream of perf_events +describing events. This matches the format generated by the kernel. +See perf_event.h or the manpage for a detailed description. + +Some notes on parsing: + +Ordering + +The events are not necessarily in time stamp order, as they can be +collected in parallel on different CPUs. If the events should be +processed in time order they need to be sorted first. It is possible +to only do a partial sort using the FINISHED_ROUND event header (see +below). perf record guarantees that there is no reordering over a +FINISHED_ROUND. + +ID vs IDENTIFIER + +When the event stream contains multiple events each event is identified +by an ID. This can be either through the PERF_SAMPLE_ID or the +PERF_SAMPLE_IDENTIFIER header. The PERF_SAMPLE_IDENTIFIER header is +at a fixed offset from the event header, which allows reliable +parsing of the header. Relying on ID may be ambigious. +IDENTIFIER is only supported by newer Linux kernels. + +Perf record specific events: + +In addition to the kernel generated event types perf record adds its +own event types (in addition it also synthesizes some kernel events, +for example MMAP events) + + PERF_RECORD_USER_TYPE_START = 64, + PERF_RECORD_HEADER_ATTR = 64, + +struct attr_event { + struct perf_event_header header; + struct perf_event_attr attr; + uint64_t id[]; +}; + + PERF_RECORD_HEADER_EVENT_TYPE = 65, /* depreceated */ + +#define MAX_EVENT_NAME 64 + +struct perf_trace_event_type { + uint64_t event_id; + char name[MAX_EVENT_NAME]; +}; + +struct event_type_event { + struct perf_event_header header; + struct perf_trace_event_type event_type; +}; + + + PERF_RECORD_HEADER_TRACING_DATA = 66, + +Describe me + +struct tracing_data_event { + struct perf_event_header header; + uint32_t size; +}; + + PERF_RECORD_HEADER_BUILD_ID = 67, + +Define a ELF build ID for a referenced executable. + + struct build_id_event; /* See above */ + + PERF_RECORD_FINISHED_ROUND = 68, + +No event reordering over this header. No payload. + + PERF_RECORD_ID_INDEX = 69, + +Map event ids to CPUs and TIDs. + +struct id_index_entry { + uint64_t id; + uint64_t idx; + uint64_t cpu; + uint64_t tid; +}; + +struct id_index_event { + struct perf_event_header header; + uint64_t nr; + struct id_index_entry entries[nr]; +}; + + PERF_RECORD_AUXTRACE_INFO = 70, + +Auxtrace type specific information. Describe me + +struct auxtrace_info_event { + struct perf_event_header header; + uint32_t type; + uint32_t reserved__; /* For alignment */ + uint64_t priv[]; +}; + + PERF_RECORD_AUXTRACE = 71, + +Defines auxtrace data. Followed by the actual data. The contents of +the auxtrace data is dependent on the event and the CPU. For example +for Intel Processor Trace it contains Processor Trace data generated +by the CPU. + +struct auxtrace_event { + struct perf_event_header header; + uint64_t size; + uint64_t offset; + uint64_t reference; + uint32_t idx; + uint32_t tid; + uint32_t cpu; + uint32_t reserved__; /* For alignment */ +}; + +struct aux_event { + struct perf_event_header header; + uint64_t aux_offset; + uint64_t aux_size; + uint64_t flags; +}; + + PERF_RECORD_AUXTRACE_ERROR = 72, + +Describes an error in hardware tracing + +enum auxtrace_error_type { + PERF_AUXTRACE_ERROR_ITRACE = 1, + PERF_AUXTRACE_ERROR_MAX +}; + +#define MAX_AUXTRACE_ERROR_MSG 64 + +struct auxtrace_error_event { + struct perf_event_header header; + uint32_t type; + uint32_t code; + uint32_t cpu; + uint32_t pid; + uint32_t tid; + uint32_t reserved__; /* For alignment */ + uint64_t ip; + char msg[MAX_AUXTRACE_ERROR_MSG]; +}; + +Event types + +Define the event attributes with their IDs. + +An array bound by the perf_file_section size. + + struct { + struct perf_event_attr attr; /* Size defined by header.attr_size */ + struct perf_file_section ids; + } + +ids points to a array of uint64_t defining the ids for event attr attr. + +References: + +include/uapi/linux/perf_event.h + +This is the canonical description of the kernel generated perf_events +and the perf_event_attrs. + +perf_events manpage + +A manpage describing perf_event and perf_event_attr is here: +http://web.eece.maine.edu/~vweaver/projects/perf_events/programming.html +This tends to be slightly behind the kernel include, but has better +descriptions. An (typically older) version of the man page may be +included with the standard Linux man pages, available with "man +perf_events" + +pmu-tools + +https://github.com/andikleen/pmu-tools/tree/master/parser + +A definition of the perf.data format in python "construct" format is available +in pmu-tools parser. This allows to read perf.data from python and dump it. + +quipper + +The quipper C++ parser is available at +https://chromium.googlesource.com/chromiumos/platform/chromiumos-wide-profiling/ +Unfortunately this parser tends to be many versions behind and may not be able +to parse data files generated by recent perf. diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST index 8c8c6b9ce915..ad2534df4ba6 100644 --- a/tools/perf/MANIFEST +++ b/tools/perf/MANIFEST @@ -12,13 +12,23 @@ tools/arch/sparc/include/asm/barrier_32.h tools/arch/sparc/include/asm/barrier_64.h tools/arch/tile/include/asm/barrier.h tools/arch/x86/include/asm/barrier.h +tools/arch/x86/include/asm/cpufeatures.h +tools/arch/x86/include/asm/disabled-features.h +tools/arch/x86/include/asm/required-features.h +tools/arch/x86/include/uapi/asm/svm.h +tools/arch/x86/include/uapi/asm/vmx.h +tools/arch/x86/include/uapi/asm/kvm.h +tools/arch/x86/include/uapi/asm/kvm_perf.h +tools/arch/x86/lib/memcpy_64.S +tools/arch/x86/lib/memset_64.S +tools/arch/s390/include/uapi/asm/kvm_perf.h +tools/arch/s390/include/uapi/asm/sie.h tools/arch/xtensa/include/asm/barrier.h tools/scripts tools/build tools/arch/x86/include/asm/atomic.h tools/arch/x86/include/asm/rmwcc.h tools/lib/traceevent -tools/lib/bpf tools/lib/api tools/lib/bpf tools/lib/subcmd @@ -29,6 +39,9 @@ tools/lib/symbol/kallsyms.c tools/lib/symbol/kallsyms.h tools/lib/find_bit.c tools/lib/bitmap.c +tools/lib/str_error_r.c +tools/lib/vsprintf.c +tools/include/asm/alternative-asm.h tools/include/asm/atomic.h tools/include/asm/barrier.h tools/include/asm/bug.h @@ -52,43 +65,16 @@ tools/include/linux/hash.h tools/include/linux/kernel.h tools/include/linux/list.h tools/include/linux/log2.h +tools/include/uapi/linux/bpf.h +tools/include/uapi/linux/bpf_common.h +tools/include/uapi/linux/hw_breakpoint.h +tools/include/uapi/linux/perf_event.h tools/include/linux/poison.h tools/include/linux/rbtree.h tools/include/linux/rbtree_augmented.h tools/include/linux/string.h +tools/include/linux/stringify.h tools/include/linux/types.h tools/include/linux/err.h tools/include/linux/bitmap.h -include/asm-generic/bitops/arch_hweight.h -include/asm-generic/bitops/const_hweight.h -include/asm-generic/bitops/fls64.h -include/asm-generic/bitops/__fls.h -include/asm-generic/bitops/fls.h -include/linux/perf_event.h -include/linux/list.h -include/linux/hash.h -include/linux/stringify.h -include/linux/swab.h -arch/*/include/asm/unistd*.h -arch/*/include/uapi/asm/unistd*.h -arch/*/include/uapi/asm/perf_regs.h -arch/*/lib/memcpy*.S -arch/*/lib/memset*.S -arch/*/include/asm/*features.h -include/linux/poison.h -include/linux/hw_breakpoint.h -include/uapi/linux/perf_event.h -include/uapi/linux/bpf.h -include/uapi/linux/bpf_common.h -include/uapi/linux/const.h -include/uapi/linux/swab.h -include/uapi/linux/hw_breakpoint.h -arch/x86/include/asm/svm.h -arch/x86/include/asm/vmx.h -arch/x86/include/asm/kvm_host.h -arch/x86/include/uapi/asm/svm.h -arch/x86/include/uapi/asm/vmx.h -arch/x86/include/uapi/asm/kvm.h -arch/x86/include/uapi/asm/kvm_perf.h -arch/s390/include/uapi/asm/sie.h -arch/s390/include/uapi/asm/kvm_perf.h +tools/arch/*/include/uapi/asm/perf_regs.h diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index bde8cbae7dd9..6641abb97f0a 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -81,6 +81,9 @@ include ../scripts/utilities.mak # # Define NO_LIBBPF if you do not want BPF support # +# Define NO_SDT if you do not want to define SDT event in perf tools, +# note that it doesn't disable SDT scanning support. +# # Define FEATURES_DUMP to provide features detection dump file # and bypass the feature detection @@ -254,7 +257,8 @@ PYTHON_EXT_SRCS := $(shell grep -v ^\# util/python-ext-sources) PYTHON_EXT_DEPS := util/python-ext-sources util/setup.py $(LIBTRACEEVENT) $(LIBAPI) $(OUTPUT)python/perf.so: $(PYTHON_EXT_SRCS) $(PYTHON_EXT_DEPS) $(LIBTRACEEVENT_DYNAMIC_LIST) - $(QUIET_GEN)CFLAGS='$(CFLAGS)' LDFLAGS='$(LDFLAGS) $(LIBTRACEEVENT_DYNAMIC_LIST_LDFLAGS)' \ + $(QUIET_GEN)LDSHARED="$(CC) -pthread -shared" \ + CFLAGS='$(CFLAGS)' LDFLAGS='$(LDFLAGS) $(LIBTRACEEVENT_DYNAMIC_LIST_LDFLAGS)' \ $(PYTHON_WORD) util/setup.py \ --quiet build_ext; \ mkdir -p $(OUTPUT)python && \ @@ -344,6 +348,87 @@ export srctree OUTPUT RM CC LD AR CFLAGS V BISON FLEX AWK include $(srctree)/tools/build/Makefile.include $(PERF_IN): prepare FORCE + @(test -f ../../include/uapi/linux/perf_event.h && ( \ + (diff -B ../include/uapi/linux/perf_event.h ../../include/uapi/linux/perf_event.h >/dev/null) \ + || echo "Warning: tools/include/uapi/linux/perf_event.h differs from kernel" >&2 )) || true + @(test -f ../../include/linux/hash.h && ( \ + (diff -B ../include/linux/hash.h ../../include/linux/hash.h >/dev/null) \ + || echo "Warning: tools/include/linux/hash.h differs from kernel" >&2 )) || true + @(test -f ../../include/uapi/linux/hw_breakpoint.h && ( \ + (diff -B ../include/uapi/linux/hw_breakpoint.h ../../include/uapi/linux/hw_breakpoint.h >/dev/null) \ + || echo "Warning: tools/include/uapi/linux/hw_breakpoint.h differs from kernel" >&2 )) || true + @(test -f ../../arch/x86/include/asm/disabled-features.h && ( \ + (diff -B ../arch/x86/include/asm/disabled-features.h ../../arch/x86/include/asm/disabled-features.h >/dev/null) \ + || echo "Warning: tools/arch/x86/include/asm/disabled-features.h differs from kernel" >&2 )) || true + @(test -f ../../arch/x86/include/asm/required-features.h && ( \ + (diff -B ../arch/x86/include/asm/required-features.h ../../arch/x86/include/asm/required-features.h >/dev/null) \ + || echo "Warning: tools/arch/x86/include/asm/required-features.h differs from kernel" >&2 )) || true + @(test -f ../../arch/x86/include/asm/cpufeatures.h && ( \ + (diff -B ../arch/x86/include/asm/cpufeatures.h ../../arch/x86/include/asm/cpufeatures.h >/dev/null) \ + || echo "Warning: tools/arch/x86/include/asm/cpufeatures.h differs from kernel" >&2 )) || true + @(test -f ../../arch/x86/lib/memcpy_64.S && ( \ + (diff -B ../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memcpy_64.S >/dev/null) \ + || echo "Warning: tools/arch/x86/lib/memcpy_64.S differs from kernel" >&2 )) || true + @(test -f ../../arch/x86/lib/memset_64.S && ( \ + (diff -B ../arch/x86/lib/memset_64.S ../../arch/x86/lib/memset_64.S >/dev/null) \ + || echo "Warning: tools/arch/x86/lib/memset_64.S differs from kernel" >&2 )) || true + @(test -f ../../arch/arm/include/uapi/asm/perf_regs.h && ( \ + (diff -B ../arch/arm/include/uapi/asm/perf_regs.h ../../arch/arm/include/uapi/asm/perf_regs.h >/dev/null) \ + || echo "Warning: tools/arch/arm/include/uapi/asm/perf_regs.h differs from kernel" >&2 )) || true + @(test -f ../../arch/arm64/include/uapi/asm/perf_regs.h && ( \ + (diff -B ../arch/arm64/include/uapi/asm/perf_regs.h ../../arch/arm64/include/uapi/asm/perf_regs.h >/dev/null) \ + || echo "Warning: tools/arch/arm64/include/uapi/asm/perf_regs.h differs from kernel" >&2 )) || true + @(test -f ../../arch/powerpc/include/uapi/asm/perf_regs.h && ( \ + (diff -B ../arch/powerpc/include/uapi/asm/perf_regs.h ../../arch/powerpc/include/uapi/asm/perf_regs.h >/dev/null) \ + || echo "Warning: tools/arch/powerpc/include/uapi/asm/perf_regs.h differs from kernel" >&2 )) || true + @(test -f ../../arch/x86/include/uapi/asm/perf_regs.h && ( \ + (diff -B ../arch/x86/include/uapi/asm/perf_regs.h ../../arch/x86/include/uapi/asm/perf_regs.h >/dev/null) \ + || echo "Warning: tools/arch/x86/include/uapi/asm/perf_regs.h differs from kernel" >&2 )) || true + @(test -f ../../arch/x86/include/uapi/asm/kvm.h && ( \ + (diff -B ../arch/x86/include/uapi/asm/kvm.h ../../arch/x86/include/uapi/asm/kvm.h >/dev/null) \ + || echo "Warning: tools/arch/x86/include/uapi/asm/kvm.h differs from kernel" >&2 )) || true + @(test -f ../../arch/x86/include/uapi/asm/kvm_perf.h && ( \ + (diff -B ../arch/x86/include/uapi/asm/kvm_perf.h ../../arch/x86/include/uapi/asm/kvm_perf.h >/dev/null) \ + || echo "Warning: tools/arch/x86/include/uapi/asm/kvm_perf.h differs from kernel" >&2 )) || true + @(test -f ../../arch/x86/include/uapi/asm/svm.h && ( \ + (diff -B ../arch/x86/include/uapi/asm/svm.h ../../arch/x86/include/uapi/asm/svm.h >/dev/null) \ + || echo "Warning: tools/arch/x86/include/uapi/asm/svm.h differs from kernel" >&2 )) || true + @(test -f ../../arch/x86/include/uapi/asm/vmx.h && ( \ + (diff -B ../arch/x86/include/uapi/asm/vmx.h ../../arch/x86/include/uapi/asm/vmx.h >/dev/null) \ + || echo "Warning: tools/arch/x86/include/uapi/asm/vmx.h differs from kernel" >&2 )) || true + @(test -f ../../arch/powerpc/include/uapi/asm/kvm.h && ( \ + (diff -B ../arch/powerpc/include/uapi/asm/kvm.h ../../arch/powerpc/include/uapi/asm/kvm.h >/dev/null) \ + || echo "Warning: tools/arch/powerpc/include/uapi/asm/kvm.h differs from kernel" >&2 )) || true + @(test -f ../../arch/s390/include/uapi/asm/kvm.h && ( \ + (diff -B ../arch/s390/include/uapi/asm/kvm.h ../../arch/s390/include/uapi/asm/kvm.h >/dev/null) \ + || echo "Warning: tools/arch/s390/include/uapi/asm/kvm.h differs from kernel" >&2 )) || true + @(test -f ../../arch/s390/include/uapi/asm/kvm_perf.h && ( \ + (diff -B ../arch/s390/include/uapi/asm/kvm_perf.h ../../arch/s390/include/uapi/asm/kvm_perf.h >/dev/null) \ + || echo "Warning: tools/arch/s390/include/uapi/asm/kvm_perf.h differs from kernel" >&2 )) || true + @(test -f ../../arch/s390/include/uapi/asm/sie.h && ( \ + (diff -B ../arch/s390/include/uapi/asm/sie.h ../../arch/s390/include/uapi/asm/sie.h >/dev/null) \ + || echo "Warning: tools/arch/s390/include/uapi/asm/sie.h differs from kernel" >&2 )) || true + @(test -f ../../arch/arm/include/uapi/asm/kvm.h && ( \ + (diff -B ../arch/arm/include/uapi/asm/kvm.h ../../arch/arm/include/uapi/asm/kvm.h >/dev/null) \ + || echo "Warning: tools/arch/arm/include/uapi/asm/kvm.h differs from kernel" >&2 )) || true + @(test -f ../../arch/arm64/include/uapi/asm/kvm.h && ( \ + (diff -B ../arch/arm64/include/uapi/asm/kvm.h ../../arch/arm64/include/uapi/asm/kvm.h >/dev/null) \ + || echo "Warning: tools/arch/arm64/include/uapi/asm/kvm.h differs from kernel" >&2 )) || true + @(test -f ../../include/asm-generic/bitops/arch_hweight.h && ( \ + (diff -B ../include/asm-generic/bitops/arch_hweight.h ../../include/asm-generic/bitops/arch_hweight.h >/dev/null) \ + || echo "Warning: tools/include/asm-generic/bitops/arch_hweight.h differs from kernel" >&2 )) || true + @(test -f ../../include/asm-generic/bitops/const_hweight.h && ( \ + (diff -B ../include/asm-generic/bitops/const_hweight.h ../../include/asm-generic/bitops/const_hweight.h >/dev/null) \ + || echo "Warning: tools/include/asm-generic/bitops/const_hweight.h differs from kernel" >&2 )) || true + @(test -f ../../include/asm-generic/bitops/__fls.h && ( \ + (diff -B ../include/asm-generic/bitops/__fls.h ../../include/asm-generic/bitops/__fls.h >/dev/null) \ + || echo "Warning: tools/include/asm-generic/bitops/__fls.h differs from kernel" >&2 )) || true + @(test -f ../../include/asm-generic/bitops/fls.h && ( \ + (diff -B ../include/asm-generic/bitops/fls.h ../../include/asm-generic/bitops/fls.h >/dev/null) \ + || echo "Warning: tools/include/asm-generic/bitops/fls.h differs from kernel" >&2 )) || true + @(test -f ../../include/asm-generic/bitops/fls64.h && ( \ + (diff -B ../include/asm-generic/bitops/fls64.h ../../include/asm-generic/bitops/fls64.h >/dev/null) \ + || echo "Warning: tools/include/asm-generic/bitops/fls64.h differs from kernel" >&2 )) || true $(Q)$(MAKE) $(build)=perf $(OUTPUT)perf: $(PERFLIBS) $(PERF_IN) $(LIBTRACEEVENT_DYNAMIC_LIST) diff --git a/tools/perf/arch/arm/util/Build b/tools/perf/arch/arm/util/Build index d22e3d07de3d..f98da17357c0 100644 --- a/tools/perf/arch/arm/util/Build +++ b/tools/perf/arch/arm/util/Build @@ -1,4 +1,4 @@ libperf-$(CONFIG_DWARF) += dwarf-regs.o -libperf-$(CONFIG_LIBUNWIND) += unwind-libunwind.o +libperf-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o libperf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o diff --git a/tools/perf/arch/arm64/util/Build b/tools/perf/arch/arm64/util/Build index e58123a8912b..02f41dba4f4f 100644 --- a/tools/perf/arch/arm64/util/Build +++ b/tools/perf/arch/arm64/util/Build @@ -1,2 +1,2 @@ libperf-$(CONFIG_DWARF) += dwarf-regs.o -libperf-$(CONFIG_LIBUNWIND) += unwind-libunwind.o +libperf-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o diff --git a/tools/perf/arch/arm64/util/unwind-libunwind.c b/tools/perf/arch/arm64/util/unwind-libunwind.c index a87afa91a99e..c116b713f7f7 100644 --- a/tools/perf/arch/arm64/util/unwind-libunwind.c +++ b/tools/perf/arch/arm64/util/unwind-libunwind.c @@ -1,11 +1,13 @@ +#ifndef REMOTE_UNWIND_LIBUNWIND #include <errno.h> #include <libunwind.h> #include "perf_regs.h" #include "../../util/unwind.h" #include "../../util/debug.h" +#endif -int libunwind__arch_reg_id(int regnum) +int LIBUNWIND__ARCH_REG_ID(int regnum) { switch (regnum) { case UNW_AARCH64_X0: diff --git a/tools/perf/arch/common.c b/tools/perf/arch/common.c index e83c8ce24303..886dd2aaff0d 100644 --- a/tools/perf/arch/common.c +++ b/tools/perf/arch/common.c @@ -1,6 +1,7 @@ #include <stdio.h> #include <sys/utsname.h> #include "common.h" +#include "../util/util.h" #include "../util/debug.h" const char *const arm_triplets[] = { @@ -9,34 +10,44 @@ const char *const arm_triplets[] = { "arm-unknown-linux-", "arm-unknown-linux-gnu-", "arm-unknown-linux-gnueabi-", + "arm-linux-gnu-", + "arm-linux-gnueabihf-", + "arm-none-eabi-", NULL }; const char *const arm64_triplets[] = { "aarch64-linux-android-", + "aarch64-linux-gnu-", NULL }; const char *const powerpc_triplets[] = { "powerpc-unknown-linux-gnu-", "powerpc64-unknown-linux-gnu-", + "powerpc64-linux-gnu-", + "powerpc64le-linux-gnu-", NULL }; const char *const s390_triplets[] = { "s390-ibm-linux-", + "s390x-linux-gnu-", NULL }; const char *const sh_triplets[] = { "sh-unknown-linux-gnu-", "sh64-unknown-linux-gnu-", + "sh-linux-gnu-", + "sh64-linux-gnu-", NULL }; const char *const sparc_triplets[] = { "sparc-unknown-linux-gnu-", "sparc64-unknown-linux-gnu-", + "sparc64-linux-gnu-", NULL }; @@ -49,12 +60,19 @@ const char *const x86_triplets[] = { "i386-pc-linux-gnu-", "i686-linux-android-", "i686-android-linux-", + "x86_64-linux-gnu-", + "i586-linux-gnu-", NULL }; const char *const mips_triplets[] = { "mips-unknown-linux-gnu-", "mipsel-linux-android-", + "mips-linux-gnu-", + "mips64-linux-gnu-", + "mips64el-linux-gnuabi64-", + "mips64-linux-gnuabi64-", + "mipsel-linux-gnu-", NULL }; @@ -102,7 +120,7 @@ static int lookup_triplets(const char *const *triplets, const char *name) * Return architecture name in a normalized form. * The conversion logic comes from the Makefile. */ -static const char *normalize_arch(char *arch) +const char *normalize_arch(char *arch) { if (!strcmp(arch, "x86_64")) return "x86"; diff --git a/tools/perf/arch/common.h b/tools/perf/arch/common.h index 7529cfb143ce..6b01c736b7d9 100644 --- a/tools/perf/arch/common.h +++ b/tools/perf/arch/common.h @@ -6,5 +6,6 @@ extern const char *objdump_path; int perf_env__lookup_objdump(struct perf_env *env); +const char *normalize_arch(char *arch); #endif /* ARCH_PERF_COMMON_H */ diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl index cac6d17ce5db..555263e385c9 100644 --- a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl +++ b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl @@ -374,3 +374,5 @@ 543 x32 io_setup compat_sys_io_setup 544 x32 io_submit compat_sys_io_submit 545 x32 execveat compat_sys_execveat/ptregs +534 x32 preadv2 compat_sys_preadv2 +535 x32 pwritev2 compat_sys_pwritev2 diff --git a/tools/perf/arch/x86/tests/insn-x86-dat-32.c b/tools/perf/arch/x86/tests/insn-x86-dat-32.c index 38a48daed154..0f196eec9f48 100644 --- a/tools/perf/arch/x86/tests/insn-x86-dat-32.c +++ b/tools/perf/arch/x86/tests/insn-x86-dat-32.c @@ -6,6 +6,1016 @@ {{0x0f, 0x31, }, 2, 0, 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%edi,0x12345678(%eax)",}, +{{0x62, 0x08, }, 2, 0, "", "", +"62 08 \tbound %ecx,(%eax)",}, +{{0x62, 0x05, 0x78, 0x56, 0x34, 0x12, }, 6, 0, "", "", +"62 05 78 56 34 12 \tbound %eax,0x12345678",}, +{{0x62, 0x14, 0x01, }, 3, 0, "", "", +"62 14 01 \tbound %edx,(%ecx,%eax,1)",}, +{{0x62, 0x14, 0x05, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "", +"62 14 05 78 56 34 12 \tbound %edx,0x12345678(,%eax,1)",}, +{{0x62, 0x14, 0x08, }, 3, 0, "", "", +"62 14 08 \tbound %edx,(%eax,%ecx,1)",}, +{{0x62, 0x14, 0xc8, }, 3, 0, "", "", +"62 14 c8 \tbound %edx,(%eax,%ecx,8)",}, +{{0x62, 0x50, 0x12, }, 3, 0, "", "", +"62 50 12 \tbound %edx,0x12(%eax)",}, +{{0x62, 0x55, 0x12, }, 3, 0, "", "", +"62 55 12 \tbound %edx,0x12(%ebp)",}, +{{0x62, 0x54, 0x01, 0x12, }, 4, 0, "", "", +"62 54 01 12 \tbound %edx,0x12(%ecx,%eax,1)",}, +{{0x62, 0x54, 0x05, 0x12, }, 4, 0, "", "", +"62 54 05 12 \tbound %edx,0x12(%ebp,%eax,1)",}, +{{0x62, 0x54, 0x08, 0x12, }, 4, 0, "", "", +"62 54 08 12 \tbound %edx,0x12(%eax,%ecx,1)",}, +{{0x62, 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$0x12,%zmm6,%ymm7{%k7}",}, +{{0x62, 0xf3, 0x45, 0x48, 0x3e, 0xee, 0x12, }, 7, 0, "", "", +"62 f3 45 48 3e ee 12 \tvpcmpub $0x12,%zmm6,%zmm7,%k5",}, +{{0x62, 0xf3, 0xc5, 0x48, 0x3e, 0xee, 0x12, }, 7, 0, "", "", +"62 f3 c5 48 3e ee 12 \tvpcmpuw $0x12,%zmm6,%zmm7,%k5",}, +{{0x62, 0xf3, 0x45, 0x48, 0x3f, 0xee, 0x12, }, 7, 0, "", "", +"62 f3 45 48 3f ee 12 \tvpcmpb $0x12,%zmm6,%zmm7,%k5",}, +{{0x62, 0xf3, 0xc5, 0x48, 0x3f, 0xee, 0x12, }, 7, 0, "", "", +"62 f3 c5 48 3f ee 12 \tvpcmpw $0x12,%zmm6,%zmm7,%k5",}, +{{0xc4, 0xe3, 0x4d, 0x42, 0xd4, 0x05, }, 6, 0, "", "", +"c4 e3 4d 42 d4 05 \tvmpsadbw $0x5,%ymm4,%ymm6,%ymm2",}, +{{0x62, 0xf3, 0x55, 0x48, 0x42, 0xf4, 0x12, }, 7, 0, "", "", +"62 f3 55 48 42 f4 12 \tvdbpsadbw $0x12,%zmm4,%zmm5,%zmm6",}, +{{0x62, 0xf3, 0x4d, 0x48, 0x43, 0xfd, 0x12, }, 7, 0, "", "", +"62 f3 4d 48 43 fd 12 \tvshufi32x4 $0x12,%zmm5,%zmm6,%zmm7",}, +{{0x62, 0xf3, 0xcd, 0x48, 0x43, 0xfd, 0x12, }, 7, 0, "", "", +"62 f3 cd 48 43 fd 12 \tvshufi64x2 $0x12,%zmm5,%zmm6,%zmm7",}, 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$0x12,%xmm5,%xmm6,%xmm7{%k7}",}, +{{0x62, 0xf3, 0x7d, 0x48, 0x56, 0xfe, 0x12, }, 7, 0, "", "", +"62 f3 7d 48 56 fe 12 \tvreduceps $0x12,%zmm6,%zmm7",}, +{{0x62, 0xf3, 0xfd, 0x48, 0x56, 0xfe, 0x12, }, 7, 0, "", "", +"62 f3 fd 48 56 fe 12 \tvreducepd $0x12,%zmm6,%zmm7",}, +{{0x62, 0xf3, 0x4d, 0x08, 0x57, 0xfd, 0x12, }, 7, 0, "", "", +"62 f3 4d 08 57 fd 12 \tvreducess $0x12,%xmm5,%xmm6,%xmm7",}, +{{0x62, 0xf3, 0xcd, 0x08, 0x57, 0xfd, 0x12, }, 7, 0, "", "", +"62 f3 cd 08 57 fd 12 \tvreducesd $0x12,%xmm5,%xmm6,%xmm7",}, +{{0x62, 0xf3, 0x7d, 0x48, 0x66, 0xef, 0x12, }, 7, 0, "", "", +"62 f3 7d 48 66 ef 12 \tvfpclassps $0x12,%zmm7,%k5",}, +{{0x62, 0xf3, 0xfd, 0x48, 0x66, 0xef, 0x12, }, 7, 0, "", "", +"62 f3 fd 48 66 ef 12 \tvfpclasspd $0x12,%zmm7,%k5",}, +{{0x62, 0xf3, 0x7d, 0x08, 0x67, 0xef, 0x12, }, 7, 0, "", "", +"62 f3 7d 08 67 ef 12 \tvfpclassss $0x12,%xmm7,%k5",}, +{{0x62, 0xf3, 0xfd, 0x08, 0x67, 0xef, 0x12, }, 7, 0, "", "", +"62 f3 fd 08 67 ef 12 \tvfpclasssd $0x12,%xmm7,%k5",}, 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\tvgatherpf0dps 0x7b(%ebp,%zmm7,8){%k1}",}, +{{0x62, 0xf2, 0xfd, 0x49, 0xc6, 0x8c, 0xfd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 f2 fd 49 c6 8c fd 7b 00 00 00 \tvgatherpf0dpd 0x7b(%ebp,%ymm7,8){%k1}",}, +{{0x62, 0xf2, 0x7d, 0x49, 0xc6, 0x94, 0xfd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 f2 7d 49 c6 94 fd 7b 00 00 00 \tvgatherpf1dps 0x7b(%ebp,%zmm7,8){%k1}",}, +{{0x62, 0xf2, 0xfd, 0x49, 0xc6, 0x94, 0xfd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 f2 fd 49 c6 94 fd 7b 00 00 00 \tvgatherpf1dpd 0x7b(%ebp,%ymm7,8){%k1}",}, +{{0x62, 0xf2, 0x7d, 0x49, 0xc6, 0xac, 0xfd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 f2 7d 49 c6 ac fd 7b 00 00 00 \tvscatterpf0dps 0x7b(%ebp,%zmm7,8){%k1}",}, +{{0x62, 0xf2, 0xfd, 0x49, 0xc6, 0xac, 0xfd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 f2 fd 49 c6 ac fd 7b 00 00 00 \tvscatterpf0dpd 0x7b(%ebp,%ymm7,8){%k1}",}, +{{0x62, 0xf2, 0x7d, 0x49, 0xc6, 0xb4, 0xfd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 f2 7d 49 c6 b4 fd 7b 00 00 00 \tvscatterpf1dps 0x7b(%ebp,%zmm7,8){%k1}",}, +{{0x62, 0xf2, 0xfd, 0x49, 0xc6, 0xb4, 0xfd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 f2 fd 49 c6 b4 fd 7b 00 00 00 \tvscatterpf1dpd 0x7b(%ebp,%ymm7,8){%k1}",}, +{{0x62, 0xf2, 0x7d, 0x49, 0xc7, 0x8c, 0xfd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 f2 7d 49 c7 8c fd 7b 00 00 00 \tvgatherpf0qps 0x7b(%ebp,%zmm7,8){%k1}",}, +{{0x62, 0xf2, 0xfd, 0x49, 0xc7, 0x8c, 0xfd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 f2 fd 49 c7 8c fd 7b 00 00 00 \tvgatherpf0qpd 0x7b(%ebp,%zmm7,8){%k1}",}, +{{0x62, 0xf2, 0x7d, 0x49, 0xc7, 0x94, 0xfd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 f2 7d 49 c7 94 fd 7b 00 00 00 \tvgatherpf1qps 0x7b(%ebp,%zmm7,8){%k1}",}, +{{0x62, 0xf2, 0xfd, 0x49, 0xc7, 0x94, 0xfd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 f2 fd 49 c7 94 fd 7b 00 00 00 \tvgatherpf1qpd 0x7b(%ebp,%zmm7,8){%k1}",}, +{{0x62, 0xf2, 0x7d, 0x49, 0xc7, 0xac, 0xfd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 f2 7d 49 c7 ac fd 7b 00 00 00 \tvscatterpf0qps 0x7b(%ebp,%zmm7,8){%k1}",}, +{{0x62, 0xf2, 0xfd, 0x49, 0xc7, 0xac, 0xfd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 f2 fd 49 c7 ac fd 7b 00 00 00 \tvscatterpf0qpd 0x7b(%ebp,%zmm7,8){%k1}",}, +{{0x62, 0xf2, 0x7d, 0x49, 0xc7, 0xb4, 0xfd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 f2 7d 49 c7 b4 fd 7b 00 00 00 \tvscatterpf1qps 0x7b(%ebp,%zmm7,8){%k1}",}, +{{0x62, 0xf2, 0xfd, 0x49, 0xc7, 0xb4, 0xfd, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 f2 fd 49 c7 b4 fd 7b 00 00 00 \tvscatterpf1qpd 0x7b(%ebp,%zmm7,8){%k1}",}, +{{0x62, 0xf1, 0xd5, 0x48, 0x58, 0xf4, }, 6, 0, "", "", +"62 f1 d5 48 58 f4 \tvaddpd %zmm4,%zmm5,%zmm6",}, +{{0x62, 0xf1, 0xd5, 0x4f, 0x58, 0xf4, }, 6, 0, "", "", +"62 f1 d5 4f 58 f4 \tvaddpd %zmm4,%zmm5,%zmm6{%k7}",}, +{{0x62, 0xf1, 0xd5, 0xcf, 0x58, 0xf4, }, 6, 0, "", "", +"62 f1 d5 cf 58 f4 \tvaddpd %zmm4,%zmm5,%zmm6{%k7}{z}",}, +{{0x62, 0xf1, 0xd5, 0x18, 0x58, 0xf4, }, 6, 0, "", "", +"62 f1 d5 18 58 f4 \tvaddpd {rn-sae},%zmm4,%zmm5,%zmm6",}, +{{0x62, 0xf1, 0xd5, 0x58, 0x58, 0xf4, }, 6, 0, "", "", +"62 f1 d5 58 58 f4 \tvaddpd {ru-sae},%zmm4,%zmm5,%zmm6",}, +{{0x62, 0xf1, 0xd5, 0x38, 0x58, 0xf4, }, 6, 0, "", "", +"62 f1 d5 38 58 f4 \tvaddpd {rd-sae},%zmm4,%zmm5,%zmm6",}, +{{0x62, 0xf1, 0xd5, 0x78, 0x58, 0xf4, }, 6, 0, "", "", +"62 f1 d5 78 58 f4 \tvaddpd {rz-sae},%zmm4,%zmm5,%zmm6",}, +{{0x62, 0xf1, 0xd5, 0x48, 0x58, 0x31, }, 6, 0, "", "", +"62 f1 d5 48 58 31 \tvaddpd (%ecx),%zmm5,%zmm6",}, +{{0x62, 0xf1, 0xd5, 0x48, 0x58, 0xb4, 0xc8, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "", +"62 f1 d5 48 58 b4 c8 23 01 00 00 \tvaddpd 0x123(%eax,%ecx,8),%zmm5,%zmm6",}, +{{0x62, 0xf1, 0xd5, 0x58, 0x58, 0x31, }, 6, 0, "", "", +"62 f1 d5 58 58 31 \tvaddpd (%ecx){1to8},%zmm5,%zmm6",}, +{{0x62, 0xf1, 0xd5, 0x48, 0x58, 0x72, 0x7f, }, 7, 0, "", "", +"62 f1 d5 48 58 72 7f \tvaddpd 0x1fc0(%edx),%zmm5,%zmm6",}, +{{0x62, 0xf1, 0xd5, 0x58, 0x58, 0x72, 0x7f, }, 7, 0, "", "", +"62 f1 d5 58 58 72 7f \tvaddpd 0x3f8(%edx){1to8},%zmm5,%zmm6",}, +{{0x62, 0xf1, 0x4c, 0x58, 0xc2, 0x6a, 0x7f, 0x08, }, 8, 0, "", "", +"62 f1 4c 58 c2 6a 7f 08 \tvcmpeq_uqps 0x1fc(%edx){1to16},%zmm6,%k5",}, +{{0x62, 0xf1, 0xe7, 0x0f, 0xc2, 0xac, 0xc8, 0x23, 0x01, 0x00, 0x00, 0x01, }, 12, 0, "", "", +"62 f1 e7 0f c2 ac c8 23 01 00 00 01 \tvcmpltsd 0x123(%eax,%ecx,8),%xmm3,%k5{%k7}",}, +{{0x62, 0xf1, 0xd7, 0x1f, 0xc2, 0xec, 0x02, }, 7, 0, "", "", +"62 f1 d7 1f c2 ec 02 \tvcmplesd {sae},%xmm4,%xmm5,%k5{%k7}",}, +{{0x62, 0xf3, 0x5d, 0x0f, 0x27, 0xac, 0xc8, 0x23, 0x01, 0x00, 0x00, 0x5b, }, 12, 0, "", "", +"62 f3 5d 0f 27 ac c8 23 01 00 00 5b \tvgetmantss $0x5b,0x123(%eax,%ecx,8),%xmm4,%xmm5{%k7}",}, {{0xf3, 0x0f, 0x1b, 0x00, }, 4, 0, "", "", "f3 0f 1b 00 \tbndmk (%eax),%bnd0",}, {{0xf3, 0x0f, 0x1b, 0x05, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "", @@ -309,19 +1319,19 @@ {{0x0f, 0x1b, 0x84, 0x08, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "", "0f 1b 84 08 78 56 34 12 \tbndstx %bnd0,0x12345678(%eax,%ecx,1)",}, {{0xf2, 0xe8, 0xfc, 0xff, 0xff, 0xff, }, 6, 0xfffffffc, "call", "unconditional", -"f2 e8 fc ff ff ff \tbnd call 3c3 <main+0x3c3>",}, +"f2 e8 fc ff ff ff \tbnd call fce <main+0xfce>",}, {{0xf2, 0xff, 0x10, }, 3, 0, "call", "indirect", "f2 ff 10 \tbnd call *(%eax)",}, {{0xf2, 0xc3, }, 2, 0, "ret", "indirect", "f2 c3 \tbnd ret ",}, {{0xf2, 0xe9, 0xfc, 0xff, 0xff, 0xff, }, 6, 0xfffffffc, "jmp", "unconditional", -"f2 e9 fc ff ff ff \tbnd jmp 3ce <main+0x3ce>",}, +"f2 e9 fc ff ff ff \tbnd jmp fd9 <main+0xfd9>",}, {{0xf2, 0xe9, 0xfc, 0xff, 0xff, 0xff, }, 6, 0xfffffffc, "jmp", "unconditional", -"f2 e9 fc ff ff ff \tbnd jmp 3d4 <main+0x3d4>",}, +"f2 e9 fc ff ff ff \tbnd jmp fdf <main+0xfdf>",}, {{0xf2, 0xff, 0x21, }, 3, 0, "jmp", "indirect", "f2 ff 21 \tbnd jmp *(%ecx)",}, {{0xf2, 0x0f, 0x85, 0xfc, 0xff, 0xff, 0xff, }, 7, 0xfffffffc, "jcc", "conditional", -"f2 0f 85 fc ff ff ff \tbnd jne 3de <main+0x3de>",}, +"f2 0f 85 fc ff ff ff \tbnd jne fe9 <main+0xfe9>",}, {{0x0f, 0x3a, 0xcc, 0xc1, 0x00, }, 5, 0, "", "", "0f 3a cc c1 00 \tsha1rnds4 $0x0,%xmm1,%xmm0",}, {{0x0f, 0x3a, 0xcc, 0xd7, 0x91, }, 5, 0, "", "", diff --git a/tools/perf/arch/x86/tests/insn-x86-dat-64.c b/tools/perf/arch/x86/tests/insn-x86-dat-64.c index 1f11ea85b60f..af25bc8240d0 100644 --- a/tools/perf/arch/x86/tests/insn-x86-dat-64.c +++ b/tools/perf/arch/x86/tests/insn-x86-dat-64.c @@ -6,6 +6,938 @@ {{0x0f, 0x31, }, 2, 0, "", "", "0f 31 \trdtsc ",}, +{{0xc4, 0xe2, 0x7d, 0x13, 0xeb, }, 5, 0, "", "", +"c4 e2 7d 13 eb \tvcvtph2ps %xmm3,%ymm5",}, +{{0x48, 0x0f, 0x41, 0xd8, }, 4, 0, "", "", +"48 0f 41 d8 \tcmovno %rax,%rbx",}, +{{0x48, 0x0f, 0x41, 0x88, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "", +"48 0f 41 88 78 56 34 12 \tcmovno 0x12345678(%rax),%rcx",}, +{{0x66, 0x0f, 0x41, 0x88, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "", +"66 0f 41 88 78 56 34 12 \tcmovno 0x12345678(%rax),%cx",}, +{{0x48, 0x0f, 0x44, 0xd8, }, 4, 0, "", "", +"48 0f 44 d8 \tcmove %rax,%rbx",}, +{{0x48, 0x0f, 0x44, 0x88, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "", +"48 0f 44 88 78 56 34 12 \tcmove 0x12345678(%rax),%rcx",}, +{{0x66, 0x0f, 0x44, 0x88, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "", +"66 0f 44 88 78 56 34 12 \tcmove 0x12345678(%rax),%cx",}, +{{0x0f, 0x90, 0x80, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "", +"0f 90 80 78 56 34 12 \tseto 0x12345678(%rax)",}, +{{0x0f, 0x91, 0x80, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "", +"0f 91 80 78 56 34 12 \tsetno 0x12345678(%rax)",}, +{{0x0f, 0x92, 0x80, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "", +"0f 92 80 78 56 34 12 \tsetb 0x12345678(%rax)",}, +{{0x0f, 0x92, 0x80, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "", +"0f 92 80 78 56 34 12 \tsetb 0x12345678(%rax)",}, +{{0x0f, 0x92, 0x80, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "", +"0f 92 80 78 56 34 12 \tsetb 0x12345678(%rax)",}, +{{0x0f, 0x93, 0x80, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "", +"0f 93 80 78 56 34 12 \tsetae 0x12345678(%rax)",}, +{{0x0f, 0x93, 0x80, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "", +"0f 93 80 78 56 34 12 \tsetae 0x12345678(%rax)",}, +{{0x0f, 0x93, 0x80, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "", +"0f 93 80 78 56 34 12 \tsetae 0x12345678(%rax)",}, +{{0x0f, 0x98, 0x80, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "", +"0f 98 80 78 56 34 12 \tsets 0x12345678(%rax)",}, +{{0x0f, 0x99, 0x80, 0x78, 0x56, 0x34, 0x12, }, 7, 0, "", "", +"0f 99 80 78 56 34 12 \tsetns 0x12345678(%rax)",}, +{{0xc5, 0xcc, 0x41, 0xef, }, 4, 0, "", "", +"c5 cc 41 ef \tkandw %k7,%k6,%k5",}, +{{0xc4, 0xe1, 0xcc, 0x41, 0xef, }, 5, 0, "", "", +"c4 e1 cc 41 ef \tkandq %k7,%k6,%k5",}, +{{0xc5, 0xcd, 0x41, 0xef, }, 4, 0, "", "", +"c5 cd 41 ef \tkandb %k7,%k6,%k5",}, +{{0xc4, 0xe1, 0xcd, 0x41, 0xef, }, 5, 0, "", "", +"c4 e1 cd 41 ef \tkandd %k7,%k6,%k5",}, +{{0xc5, 0xcc, 0x42, 0xef, }, 4, 0, "", "", +"c5 cc 42 ef \tkandnw %k7,%k6,%k5",}, +{{0xc4, 0xe1, 0xcc, 0x42, 0xef, }, 5, 0, "", "", +"c4 e1 cc 42 ef \tkandnq %k7,%k6,%k5",}, +{{0xc5, 0xcd, 0x42, 0xef, }, 4, 0, "", "", +"c5 cd 42 ef \tkandnb %k7,%k6,%k5",}, +{{0xc4, 0xe1, 0xcd, 0x42, 0xef, }, 5, 0, "", "", +"c4 e1 cd 42 ef \tkandnd %k7,%k6,%k5",}, +{{0xc5, 0xf8, 0x44, 0xf7, }, 4, 0, "", "", +"c5 f8 44 f7 \tknotw %k7,%k6",}, +{{0xc4, 0xe1, 0xf8, 0x44, 0xf7, }, 5, 0, "", "", +"c4 e1 f8 44 f7 \tknotq %k7,%k6",}, +{{0xc5, 0xf9, 0x44, 0xf7, }, 4, 0, "", "", +"c5 f9 44 f7 \tknotb %k7,%k6",}, +{{0xc4, 0xe1, 0xf9, 0x44, 0xf7, }, 5, 0, "", "", +"c4 e1 f9 44 f7 \tknotd %k7,%k6",}, +{{0xc5, 0xcc, 0x45, 0xef, }, 4, 0, "", "", +"c5 cc 45 ef \tkorw %k7,%k6,%k5",}, +{{0xc4, 0xe1, 0xcc, 0x45, 0xef, }, 5, 0, "", "", +"c4 e1 cc 45 ef \tkorq %k7,%k6,%k5",}, +{{0xc5, 0xcd, 0x45, 0xef, }, 4, 0, "", "", +"c5 cd 45 ef \tkorb %k7,%k6,%k5",}, +{{0xc4, 0xe1, 0xcd, 0x45, 0xef, }, 5, 0, "", "", +"c4 e1 cd 45 ef \tkord %k7,%k6,%k5",}, +{{0xc5, 0xcc, 0x46, 0xef, }, 4, 0, "", "", +"c5 cc 46 ef \tkxnorw %k7,%k6,%k5",}, +{{0xc4, 0xe1, 0xcc, 0x46, 0xef, }, 5, 0, "", "", +"c4 e1 cc 46 ef \tkxnorq %k7,%k6,%k5",}, +{{0xc5, 0xcd, 0x46, 0xef, }, 4, 0, "", "", +"c5 cd 46 ef \tkxnorb %k7,%k6,%k5",}, +{{0xc4, 0xe1, 0xcd, 0x46, 0xef, }, 5, 0, "", "", +"c4 e1 cd 46 ef \tkxnord 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}, 4, 0, "", "", +"c5 f8 90 ee \tkmovw %k6,%k5",}, +{{0xc5, 0xf8, 0x90, 0x29, }, 4, 0, "", "", +"c5 f8 90 29 \tkmovw (%rcx),%k5",}, +{{0xc4, 0xa1, 0x78, 0x90, 0xac, 0xf0, 0x23, 0x01, 0x00, 0x00, }, 10, 0, "", "", +"c4 a1 78 90 ac f0 23 01 00 00 \tkmovw 0x123(%rax,%r14,8),%k5",}, +{{0xc5, 0xf8, 0x91, 0x29, }, 4, 0, "", "", +"c5 f8 91 29 \tkmovw %k5,(%rcx)",}, +{{0xc4, 0xa1, 0x78, 0x91, 0xac, 0xf0, 0x23, 0x01, 0x00, 0x00, }, 10, 0, "", "", +"c4 a1 78 91 ac f0 23 01 00 00 \tkmovw %k5,0x123(%rax,%r14,8)",}, +{{0xc5, 0xf8, 0x92, 0xe8, }, 4, 0, "", "", +"c5 f8 92 e8 \tkmovw %eax,%k5",}, +{{0xc5, 0xf8, 0x92, 0xed, }, 4, 0, "", "", +"c5 f8 92 ed \tkmovw %ebp,%k5",}, +{{0xc4, 0xc1, 0x78, 0x92, 0xed, }, 5, 0, "", "", +"c4 c1 78 92 ed \tkmovw %r13d,%k5",}, +{{0xc5, 0xf8, 0x93, 0xc5, }, 4, 0, "", "", +"c5 f8 93 c5 \tkmovw %k5,%eax",}, +{{0xc5, 0xf8, 0x93, 0xed, }, 4, 0, "", "", +"c5 f8 93 ed \tkmovw %k5,%ebp",}, +{{0xc5, 0x78, 0x93, 0xed, }, 4, 0, "", "", +"c5 78 93 ed \tkmovw %k5,%r13d",}, 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%k5,%rbp",}, +{{0xc4, 0x61, 0xfb, 0x93, 0xed, }, 5, 0, "", "", +"c4 61 fb 93 ed \tkmovq %k5,%r13",}, +{{0xc5, 0xf9, 0x90, 0xee, }, 4, 0, "", "", +"c5 f9 90 ee \tkmovb %k6,%k5",}, +{{0xc5, 0xf9, 0x90, 0x29, }, 4, 0, "", "", +"c5 f9 90 29 \tkmovb (%rcx),%k5",}, +{{0xc4, 0xa1, 0x79, 0x90, 0xac, 0xf0, 0x23, 0x01, 0x00, 0x00, }, 10, 0, "", "", +"c4 a1 79 90 ac f0 23 01 00 00 \tkmovb 0x123(%rax,%r14,8),%k5",}, +{{0xc5, 0xf9, 0x91, 0x29, }, 4, 0, "", "", +"c5 f9 91 29 \tkmovb %k5,(%rcx)",}, +{{0xc4, 0xa1, 0x79, 0x91, 0xac, 0xf0, 0x23, 0x01, 0x00, 0x00, }, 10, 0, "", "", +"c4 a1 79 91 ac f0 23 01 00 00 \tkmovb %k5,0x123(%rax,%r14,8)",}, +{{0xc5, 0xf9, 0x92, 0xe8, }, 4, 0, "", "", +"c5 f9 92 e8 \tkmovb %eax,%k5",}, +{{0xc5, 0xf9, 0x92, 0xed, }, 4, 0, "", "", +"c5 f9 92 ed \tkmovb %ebp,%k5",}, +{{0xc4, 0xc1, 0x79, 0x92, 0xed, }, 5, 0, "", "", +"c4 c1 79 92 ed \tkmovb %r13d,%k5",}, +{{0xc5, 0xf9, 0x93, 0xc5, }, 4, 0, "", "", +"c5 f9 93 c5 \tkmovb %k5,%eax",}, +{{0xc5, 0xf9, 0x93, 0xed, }, 4, 0, "", "", +"c5 f9 93 ed \tkmovb %k5,%ebp",}, +{{0xc5, 0x79, 0x93, 0xed, }, 4, 0, "", "", +"c5 79 93 ed \tkmovb %k5,%r13d",}, +{{0xc4, 0xe1, 0xf9, 0x90, 0xee, }, 5, 0, "", "", +"c4 e1 f9 90 ee \tkmovd %k6,%k5",}, +{{0xc4, 0xe1, 0xf9, 0x90, 0x29, }, 5, 0, "", "", +"c4 e1 f9 90 29 \tkmovd (%rcx),%k5",}, +{{0xc4, 0xa1, 0xf9, 0x90, 0xac, 0xf0, 0x23, 0x01, 0x00, 0x00, }, 10, 0, "", "", +"c4 a1 f9 90 ac f0 23 01 00 00 \tkmovd 0x123(%rax,%r14,8),%k5",}, +{{0xc4, 0xe1, 0xf9, 0x91, 0x29, }, 5, 0, "", "", +"c4 e1 f9 91 29 \tkmovd %k5,(%rcx)",}, +{{0xc4, 0xa1, 0xf9, 0x91, 0xac, 0xf0, 0x23, 0x01, 0x00, 0x00, }, 10, 0, "", "", +"c4 a1 f9 91 ac f0 23 01 00 00 \tkmovd %k5,0x123(%rax,%r14,8)",}, +{{0xc5, 0xfb, 0x92, 0xe8, }, 4, 0, "", "", +"c5 fb 92 e8 \tkmovd %eax,%k5",}, +{{0xc5, 0xfb, 0x92, 0xed, }, 4, 0, "", "", +"c5 fb 92 ed \tkmovd %ebp,%k5",}, +{{0xc4, 0xc1, 0x7b, 0x92, 0xed, }, 5, 0, "", "", +"c4 c1 7b 92 ed \tkmovd %r13d,%k5",}, +{{0xc5, 0xfb, 0x93, 0xc5, }, 4, 0, "", "", +"c5 fb 93 c5 \tkmovd %k5,%eax",}, +{{0xc5, 0xfb, 0x93, 0xed, }, 4, 0, "", "", +"c5 fb 93 ed \tkmovd %k5,%ebp",}, +{{0xc5, 0x7b, 0x93, 0xed, }, 4, 0, "", "", +"c5 7b 93 ed \tkmovd %k5,%r13d",}, +{{0xc5, 0xf8, 0x98, 0xee, }, 4, 0, "", "", +"c5 f8 98 ee \tkortestw %k6,%k5",}, +{{0xc4, 0xe1, 0xf8, 0x98, 0xee, }, 5, 0, "", "", +"c4 e1 f8 98 ee \tkortestq %k6,%k5",}, +{{0xc5, 0xf9, 0x98, 0xee, }, 4, 0, "", "", +"c5 f9 98 ee \tkortestb %k6,%k5",}, +{{0xc4, 0xe1, 0xf9, 0x98, 0xee, }, 5, 0, "", "", +"c4 e1 f9 98 ee \tkortestd %k6,%k5",}, +{{0xc5, 0xf8, 0x99, 0xee, }, 4, 0, "", "", +"c5 f8 99 ee \tktestw %k6,%k5",}, +{{0xc4, 0xe1, 0xf8, 0x99, 0xee, }, 5, 0, "", "", +"c4 e1 f8 99 ee \tktestq %k6,%k5",}, +{{0xc5, 0xf9, 0x99, 0xee, }, 4, 0, "", "", +"c5 f9 99 ee \tktestb %k6,%k5",}, +{{0xc4, 0xe1, 0xf9, 0x99, 0xee, }, 5, 0, "", "", +"c4 e1 f9 99 ee \tktestd %k6,%k5",}, +{{0xc4, 0xe3, 0xf9, 0x30, 0xee, 0x12, }, 6, 0, "", "", +"c4 e3 f9 30 ee 12 \tkshiftrw $0x12,%k6,%k5",}, +{{0xc4, 0xe3, 0xf9, 0x31, 0xee, 0x5b, }, 6, 0, "", "", +"c4 e3 f9 31 ee 5b \tkshiftrq $0x5b,%k6,%k5",}, +{{0xc4, 0xe3, 0xf9, 0x32, 0xee, 0x12, }, 6, 0, "", "", +"c4 e3 f9 32 ee 12 \tkshiftlw $0x12,%k6,%k5",}, +{{0xc4, 0xe3, 0xf9, 0x33, 0xee, 0x5b, }, 6, 0, "", "", +"c4 e3 f9 33 ee 5b \tkshiftlq $0x5b,%k6,%k5",}, +{{0xc5, 0xf8, 0x5b, 0xf5, }, 4, 0, "", "", +"c5 f8 5b f5 \tvcvtdq2ps %xmm5,%xmm6",}, +{{0x62, 0x91, 0xfc, 0x4f, 0x5b, 0xf5, }, 6, 0, "", "", +"62 91 fc 4f 5b f5 \tvcvtqq2ps %zmm29,%ymm6{%k7}",}, +{{0xc5, 0xf9, 0x5b, 0xf5, }, 4, 0, "", "", +"c5 f9 5b f5 \tvcvtps2dq %xmm5,%xmm6",}, +{{0xc5, 0xfa, 0x5b, 0xf5, }, 4, 0, "", "", +"c5 fa 5b f5 \tvcvttps2dq %xmm5,%xmm6",}, +{{0x0f, 0x6f, 0xe0, }, 3, 0, "", "", +"0f 6f e0 \tmovq %mm0,%mm4",}, +{{0xc5, 0xfd, 0x6f, 0xf4, }, 4, 0, "", "", +"c5 fd 6f f4 \tvmovdqa %ymm4,%ymm6",}, +{{0x62, 0x01, 0x7d, 0x48, 0x6f, 0xd1, }, 6, 0, "", "", +"62 01 7d 48 6f d1 \tvmovdqa32 %zmm25,%zmm26",}, +{{0x62, 0x01, 0xfd, 0x48, 0x6f, 0xd1, }, 6, 0, "", "", +"62 01 fd 48 6f d1 \tvmovdqa64 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$0x12,%zmm29,%zmm30",}, +{{0x0f, 0x72, 0xe6, 0x02, }, 4, 0, "", "", +"0f 72 e6 02 \tpsrad $0x2,%mm6",}, +{{0xc5, 0xed, 0x72, 0xe6, 0x05, }, 5, 0, "", "", +"c5 ed 72 e6 05 \tvpsrad $0x5,%ymm6,%ymm2",}, +{{0x62, 0x91, 0x4d, 0x40, 0x72, 0xe2, 0x05, }, 7, 0, "", "", +"62 91 4d 40 72 e2 05 \tvpsrad $0x5,%zmm26,%zmm22",}, +{{0x62, 0x91, 0xcd, 0x40, 0x72, 0xe2, 0x05, }, 7, 0, "", "", +"62 91 cd 40 72 e2 05 \tvpsraq $0x5,%zmm26,%zmm22",}, +{{0x62, 0x92, 0x7d, 0x41, 0xc6, 0x8c, 0xfe, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 92 7d 41 c6 8c fe 7b 00 00 00 \tvgatherpf0dps 0x7b(%r14,%zmm31,8){%k1}",}, +{{0x62, 0x92, 0xfd, 0x41, 0xc6, 0x8c, 0xfe, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 92 fd 41 c6 8c fe 7b 00 00 00 \tvgatherpf0dpd 0x7b(%r14,%ymm31,8){%k1}",}, +{{0x62, 0x92, 0x7d, 0x41, 0xc6, 0x94, 0xfe, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 92 7d 41 c6 94 fe 7b 00 00 00 \tvgatherpf1dps 0x7b(%r14,%zmm31,8){%k1}",}, +{{0x62, 0x92, 0xfd, 0x41, 0xc6, 0x94, 0xfe, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 92 fd 41 c6 94 fe 7b 00 00 00 \tvgatherpf1dpd 0x7b(%r14,%ymm31,8){%k1}",}, +{{0x62, 0x92, 0x7d, 0x41, 0xc6, 0xac, 0xfe, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 92 7d 41 c6 ac fe 7b 00 00 00 \tvscatterpf0dps 0x7b(%r14,%zmm31,8){%k1}",}, +{{0x62, 0x92, 0xfd, 0x41, 0xc6, 0xac, 0xfe, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 92 fd 41 c6 ac fe 7b 00 00 00 \tvscatterpf0dpd 0x7b(%r14,%ymm31,8){%k1}",}, +{{0x62, 0x92, 0x7d, 0x41, 0xc6, 0xb4, 0xfe, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 92 7d 41 c6 b4 fe 7b 00 00 00 \tvscatterpf1dps 0x7b(%r14,%zmm31,8){%k1}",}, +{{0x62, 0x92, 0xfd, 0x41, 0xc6, 0xb4, 0xfe, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 92 fd 41 c6 b4 fe 7b 00 00 00 \tvscatterpf1dpd 0x7b(%r14,%ymm31,8){%k1}",}, +{{0x62, 0x92, 0x7d, 0x41, 0xc7, 0x8c, 0xfe, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 92 7d 41 c7 8c fe 7b 00 00 00 \tvgatherpf0qps 0x7b(%r14,%zmm31,8){%k1}",}, +{{0x62, 0x92, 0xfd, 0x41, 0xc7, 0x8c, 0xfe, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 92 fd 41 c7 8c fe 7b 00 00 00 \tvgatherpf0qpd 0x7b(%r14,%zmm31,8){%k1}",}, +{{0x62, 0x92, 0x7d, 0x41, 0xc7, 0x94, 0xfe, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 92 7d 41 c7 94 fe 7b 00 00 00 \tvgatherpf1qps 0x7b(%r14,%zmm31,8){%k1}",}, +{{0x62, 0x92, 0xfd, 0x41, 0xc7, 0x94, 0xfe, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 92 fd 41 c7 94 fe 7b 00 00 00 \tvgatherpf1qpd 0x7b(%r14,%zmm31,8){%k1}",}, +{{0x62, 0x92, 0x7d, 0x41, 0xc7, 0xac, 0xfe, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 92 7d 41 c7 ac fe 7b 00 00 00 \tvscatterpf0qps 0x7b(%r14,%zmm31,8){%k1}",}, +{{0x62, 0x92, 0xfd, 0x41, 0xc7, 0xac, 0xfe, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 92 fd 41 c7 ac fe 7b 00 00 00 \tvscatterpf0qpd 0x7b(%r14,%zmm31,8){%k1}",}, +{{0x62, 0x92, 0x7d, 0x41, 0xc7, 0xb4, 0xfe, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 92 7d 41 c7 b4 fe 7b 00 00 00 \tvscatterpf1qps 0x7b(%r14,%zmm31,8){%k1}",}, +{{0x62, 0x92, 0xfd, 0x41, 0xc7, 0xb4, 0xfe, 0x7b, 0x00, 0x00, 0x00, }, 11, 0, "", "", +"62 92 fd 41 c7 b4 fe 7b 00 00 00 \tvscatterpf1qpd 0x7b(%r14,%zmm31,8){%k1}",}, +{{0x62, 0x01, 0x95, 0x40, 0x58, 0xf4, }, 6, 0, "", "", +"62 01 95 40 58 f4 \tvaddpd %zmm28,%zmm29,%zmm30",}, +{{0x62, 0x01, 0x95, 0x47, 0x58, 0xf4, }, 6, 0, "", "", +"62 01 95 47 58 f4 \tvaddpd %zmm28,%zmm29,%zmm30{%k7}",}, +{{0x62, 0x01, 0x95, 0xc7, 0x58, 0xf4, }, 6, 0, "", "", +"62 01 95 c7 58 f4 \tvaddpd %zmm28,%zmm29,%zmm30{%k7}{z}",}, +{{0x62, 0x01, 0x95, 0x10, 0x58, 0xf4, }, 6, 0, "", "", +"62 01 95 10 58 f4 \tvaddpd {rn-sae},%zmm28,%zmm29,%zmm30",}, +{{0x62, 0x01, 0x95, 0x50, 0x58, 0xf4, }, 6, 0, "", "", +"62 01 95 50 58 f4 \tvaddpd {ru-sae},%zmm28,%zmm29,%zmm30",}, +{{0x62, 0x01, 0x95, 0x30, 0x58, 0xf4, }, 6, 0, "", "", +"62 01 95 30 58 f4 \tvaddpd {rd-sae},%zmm28,%zmm29,%zmm30",}, +{{0x62, 0x01, 0x95, 0x70, 0x58, 0xf4, }, 6, 0, "", "", +"62 01 95 70 58 f4 \tvaddpd {rz-sae},%zmm28,%zmm29,%zmm30",}, +{{0x62, 0x61, 0x95, 0x40, 0x58, 0x31, }, 6, 0, "", "", +"62 61 95 40 58 31 \tvaddpd (%rcx),%zmm29,%zmm30",}, +{{0x62, 0x21, 0x95, 0x40, 0x58, 0xb4, 0xf0, 0x23, 0x01, 0x00, 0x00, }, 11, 0, "", "", +"62 21 95 40 58 b4 f0 23 01 00 00 \tvaddpd 0x123(%rax,%r14,8),%zmm29,%zmm30",}, +{{0x62, 0x61, 0x95, 0x50, 0x58, 0x31, }, 6, 0, "", "", +"62 61 95 50 58 31 \tvaddpd (%rcx){1to8},%zmm29,%zmm30",}, +{{0x62, 0x61, 0x95, 0x40, 0x58, 0x72, 0x7f, }, 7, 0, "", "", +"62 61 95 40 58 72 7f \tvaddpd 0x1fc0(%rdx),%zmm29,%zmm30",}, +{{0x62, 0x61, 0x95, 0x50, 0x58, 0x72, 0x7f, }, 7, 0, "", "", +"62 61 95 50 58 72 7f \tvaddpd 0x3f8(%rdx){1to8},%zmm29,%zmm30",}, +{{0x62, 0xf1, 0x0c, 0x50, 0xc2, 0x6a, 0x7f, 0x08, }, 8, 0, "", "", +"62 f1 0c 50 c2 6a 7f 08 \tvcmpeq_uqps 0x1fc(%rdx){1to16},%zmm30,%k5",}, +{{0x62, 0xb1, 0x97, 0x07, 0xc2, 0xac, 0xf0, 0x23, 0x01, 0x00, 0x00, 0x01, }, 12, 0, "", "", +"62 b1 97 07 c2 ac f0 23 01 00 00 01 \tvcmpltsd 0x123(%rax,%r14,8),%xmm29,%k5{%k7}",}, +{{0x62, 0x91, 0x97, 0x17, 0xc2, 0xec, 0x02, }, 7, 0, "", "", +"62 91 97 17 c2 ec 02 \tvcmplesd {sae},%xmm28,%xmm29,%k5{%k7}",}, +{{0x62, 0x23, 0x15, 0x07, 0x27, 0xb4, 0xf0, 0x23, 0x01, 0x00, 0x00, 0x5b, }, 12, 0, "", "", +"62 23 15 07 27 b4 f0 23 01 00 00 5b \tvgetmantss $0x5b,0x123(%rax,%r14,8),%xmm29,%xmm30{%k7}",}, {{0xf3, 0x0f, 0x1b, 0x00, }, 4, 0, "", "", "f3 0f 1b 00 \tbndmk (%rax),%bnd0",}, {{0xf3, 0x41, 0x0f, 0x1b, 0x00, }, 5, 0, "", "", @@ -325,19 +1257,19 @@ {{0x0f, 0x1b, 0x84, 0x08, 0x78, 0x56, 0x34, 0x12, }, 8, 0, "", "", "0f 1b 84 08 78 56 34 12 \tbndstx %bnd0,0x12345678(%rax,%rcx,1)",}, {{0xf2, 0xe8, 0x00, 0x00, 0x00, 0x00, }, 6, 0, "call", "unconditional", -"f2 e8 00 00 00 00 \tbnd callq 3f6 <main+0x3f6>",}, +"f2 e8 00 00 00 00 \tbnd callq f22 <main+0xf22>",}, {{0x67, 0xf2, 0xff, 0x10, }, 4, 0, "call", "indirect", "67 f2 ff 10 \tbnd callq *(%eax)",}, {{0xf2, 0xc3, }, 2, 0, "ret", "indirect", "f2 c3 \tbnd retq ",}, {{0xf2, 0xe9, 0x00, 0x00, 0x00, 0x00, }, 6, 0, "jmp", "unconditional", -"f2 e9 00 00 00 00 \tbnd jmpq 402 <main+0x402>",}, +"f2 e9 00 00 00 00 \tbnd jmpq f2e <main+0xf2e>",}, {{0xf2, 0xe9, 0x00, 0x00, 0x00, 0x00, }, 6, 0, "jmp", "unconditional", -"f2 e9 00 00 00 00 \tbnd jmpq 408 <main+0x408>",}, +"f2 e9 00 00 00 00 \tbnd jmpq f34 <main+0xf34>",}, {{0x67, 0xf2, 0xff, 0x21, }, 4, 0, "jmp", "indirect", "67 f2 ff 21 \tbnd jmpq *(%ecx)",}, {{0xf2, 0x0f, 0x85, 0x00, 0x00, 0x00, 0x00, }, 7, 0, "jcc", "conditional", -"f2 0f 85 00 00 00 00 \tbnd jne 413 <main+0x413>",}, +"f2 0f 85 00 00 00 00 \tbnd jne f3f <main+0xf3f>",}, {{0x0f, 0x3a, 0xcc, 0xc1, 0x00, }, 5, 0, "", "", "0f 3a cc c1 00 \tsha1rnds4 $0x0,%xmm1,%xmm0",}, {{0x0f, 0x3a, 0xcc, 0xd7, 0x91, }, 5, 0, "", "", diff --git a/tools/perf/arch/x86/tests/insn-x86-dat-src.c b/tools/perf/arch/x86/tests/insn-x86-dat-src.c index 033b8a6fdab9..979487dae8d4 100644 --- a/tools/perf/arch/x86/tests/insn-x86-dat-src.c +++ b/tools/perf/arch/x86/tests/insn-x86-dat-src.c @@ -19,8 +19,882 @@ int main(void) /* Following line is a marker for the awk script - do not change */ asm volatile("rdtsc"); /* Start here */ + /* Test fix for vcvtph2ps in x86-opcode-map.txt */ + + asm volatile("vcvtph2ps %xmm3,%ymm5"); + #ifdef __x86_64__ + /* AVX-512: Instructions with the same op codes as Mask Instructions */ + + asm volatile("cmovno %rax,%rbx"); + asm volatile("cmovno 0x12345678(%rax),%rcx"); + asm volatile("cmovno 0x12345678(%rax),%cx"); + + asm volatile("cmove %rax,%rbx"); + asm volatile("cmove 0x12345678(%rax),%rcx"); + asm volatile("cmove 0x12345678(%rax),%cx"); + + asm volatile("seto 0x12345678(%rax)"); + asm volatile("setno 0x12345678(%rax)"); + asm volatile("setb 0x12345678(%rax)"); + asm volatile("setc 0x12345678(%rax)"); + asm volatile("setnae 0x12345678(%rax)"); + asm volatile("setae 0x12345678(%rax)"); + asm volatile("setnb 0x12345678(%rax)"); + asm volatile("setnc 0x12345678(%rax)"); + asm volatile("sets 0x12345678(%rax)"); + asm volatile("setns 0x12345678(%rax)"); + + /* AVX-512: Mask Instructions */ + + asm volatile("kandw %k7,%k6,%k5"); + asm volatile("kandq %k7,%k6,%k5"); + asm volatile("kandb %k7,%k6,%k5"); + asm volatile("kandd %k7,%k6,%k5"); + + asm volatile("kandnw %k7,%k6,%k5"); + asm volatile("kandnq %k7,%k6,%k5"); + asm volatile("kandnb %k7,%k6,%k5"); + asm volatile("kandnd %k7,%k6,%k5"); + + asm volatile("knotw %k7,%k6"); + asm volatile("knotq %k7,%k6"); + asm volatile("knotb %k7,%k6"); + asm volatile("knotd %k7,%k6"); + + asm volatile("korw %k7,%k6,%k5"); + asm volatile("korq %k7,%k6,%k5"); + asm volatile("korb %k7,%k6,%k5"); + asm volatile("kord %k7,%k6,%k5"); + + asm volatile("kxnorw %k7,%k6,%k5"); + asm volatile("kxnorq %k7,%k6,%k5"); + asm volatile("kxnorb %k7,%k6,%k5"); + asm volatile("kxnord %k7,%k6,%k5"); + + asm volatile("kxorw %k7,%k6,%k5"); + asm volatile("kxorq %k7,%k6,%k5"); + asm volatile("kxorb %k7,%k6,%k5"); + asm volatile("kxord %k7,%k6,%k5"); + + asm volatile("kaddw %k7,%k6,%k5"); + asm volatile("kaddq %k7,%k6,%k5"); + asm volatile("kaddb %k7,%k6,%k5"); + asm volatile("kaddd %k7,%k6,%k5"); + + asm volatile("kunpckbw %k7,%k6,%k5"); + asm volatile("kunpckwd %k7,%k6,%k5"); + asm volatile("kunpckdq %k7,%k6,%k5"); + + asm volatile("kmovw %k6,%k5"); + asm volatile("kmovw (%rcx),%k5"); + asm volatile("kmovw 0x123(%rax,%r14,8),%k5"); + asm volatile("kmovw %k5,(%rcx)"); + asm volatile("kmovw %k5,0x123(%rax,%r14,8)"); + asm volatile("kmovw %eax,%k5"); + asm volatile("kmovw %ebp,%k5"); + asm volatile("kmovw %r13d,%k5"); + asm volatile("kmovw %k5,%eax"); + asm volatile("kmovw %k5,%ebp"); + asm volatile("kmovw %k5,%r13d"); + + asm volatile("kmovq %k6,%k5"); + asm volatile("kmovq (%rcx),%k5"); + asm volatile("kmovq 0x123(%rax,%r14,8),%k5"); + asm volatile("kmovq %k5,(%rcx)"); + asm volatile("kmovq %k5,0x123(%rax,%r14,8)"); + asm volatile("kmovq %rax,%k5"); + asm volatile("kmovq %rbp,%k5"); + asm volatile("kmovq %r13,%k5"); + asm volatile("kmovq %k5,%rax"); + asm volatile("kmovq %k5,%rbp"); + asm volatile("kmovq %k5,%r13"); + + asm volatile("kmovb %k6,%k5"); + asm volatile("kmovb (%rcx),%k5"); + asm volatile("kmovb 0x123(%rax,%r14,8),%k5"); + asm volatile("kmovb %k5,(%rcx)"); + asm volatile("kmovb %k5,0x123(%rax,%r14,8)"); + asm volatile("kmovb %eax,%k5"); + asm volatile("kmovb %ebp,%k5"); + asm volatile("kmovb %r13d,%k5"); + asm volatile("kmovb %k5,%eax"); + asm volatile("kmovb %k5,%ebp"); + asm volatile("kmovb %k5,%r13d"); + + asm volatile("kmovd %k6,%k5"); + asm volatile("kmovd (%rcx),%k5"); + asm volatile("kmovd 0x123(%rax,%r14,8),%k5"); + asm volatile("kmovd %k5,(%rcx)"); + asm volatile("kmovd %k5,0x123(%rax,%r14,8)"); + asm volatile("kmovd %eax,%k5"); + asm volatile("kmovd %ebp,%k5"); + asm volatile("kmovd %r13d,%k5"); + asm volatile("kmovd %k5,%eax"); + asm volatile("kmovd %k5,%ebp"); + asm volatile("kmovd %k5,%r13d"); + + asm volatile("kortestw %k6,%k5"); + asm volatile("kortestq %k6,%k5"); + asm volatile("kortestb %k6,%k5"); + asm volatile("kortestd %k6,%k5"); + + asm volatile("ktestw %k6,%k5"); + asm volatile("ktestq %k6,%k5"); + asm volatile("ktestb %k6,%k5"); + asm volatile("ktestd %k6,%k5"); + + asm volatile("kshiftrw $0x12,%k6,%k5"); + asm volatile("kshiftrq $0x5b,%k6,%k5"); + asm volatile("kshiftlw $0x12,%k6,%k5"); + asm volatile("kshiftlq $0x5b,%k6,%k5"); + + /* AVX-512: Op code 0f 5b */ + asm volatile("vcvtdq2ps %xmm5,%xmm6"); + asm volatile("vcvtqq2ps %zmm29,%ymm6{%k7}"); + asm volatile("vcvtps2dq %xmm5,%xmm6"); + asm volatile("vcvttps2dq %xmm5,%xmm6"); + + /* AVX-512: Op code 0f 6f */ + + asm volatile("movq %mm0,%mm4"); + asm volatile("vmovdqa %ymm4,%ymm6"); + asm volatile("vmovdqa32 %zmm25,%zmm26"); + asm volatile("vmovdqa64 %zmm25,%zmm26"); + asm volatile("vmovdqu %ymm4,%ymm6"); + asm volatile("vmovdqu32 %zmm29,%zmm30"); + asm volatile("vmovdqu64 %zmm25,%zmm26"); + asm volatile("vmovdqu8 %zmm29,%zmm30"); + asm volatile("vmovdqu16 %zmm25,%zmm26"); + + /* AVX-512: Op code 0f 78 */ + + asm volatile("vmread %rax,%rbx"); + asm volatile("vcvttps2udq %zmm25,%zmm26"); + asm volatile("vcvttpd2udq %zmm29,%ymm6{%k7}"); + asm volatile("vcvttsd2usi %xmm6,%rax"); + asm volatile("vcvttss2usi %xmm6,%rax"); + asm volatile("vcvttps2uqq %ymm5,%zmm26{%k7}"); + asm volatile("vcvttpd2uqq %zmm29,%zmm30"); + + /* AVX-512: Op code 0f 79 */ + + asm volatile("vmwrite %rax,%rbx"); + asm volatile("vcvtps2udq %zmm25,%zmm26"); + asm volatile("vcvtpd2udq %zmm29,%ymm6{%k7}"); + asm volatile("vcvtsd2usi %xmm6,%rax"); + asm volatile("vcvtss2usi %xmm6,%rax"); + asm volatile("vcvtps2uqq %ymm5,%zmm26{%k7}"); + asm volatile("vcvtpd2uqq %zmm29,%zmm30"); + + /* AVX-512: Op code 0f 7a */ + + asm volatile("vcvtudq2pd %ymm5,%zmm29{%k7}"); + asm volatile("vcvtuqq2pd %zmm25,%zmm26"); + asm volatile("vcvtudq2ps %zmm29,%zmm30"); + asm volatile("vcvtuqq2ps %zmm25,%ymm26{%k7}"); + asm volatile("vcvttps2qq %ymm25,%zmm26{%k7}"); + asm volatile("vcvttpd2qq %zmm29,%zmm30"); + + /* AVX-512: Op code 0f 7b */ + + asm volatile("vcvtusi2sd %eax,%xmm5,%xmm6"); + asm volatile("vcvtusi2ss %eax,%xmm5,%xmm6"); + asm volatile("vcvtps2qq %ymm5,%zmm26{%k7}"); + asm volatile("vcvtpd2qq %zmm29,%zmm30"); + + /* AVX-512: Op code 0f 7f */ + + asm volatile("movq.s %mm0,%mm4"); + asm volatile("vmovdqa %ymm8,%ymm6"); + asm volatile("vmovdqa32.s %zmm25,%zmm26"); + asm volatile("vmovdqa64.s %zmm25,%zmm26"); + asm volatile("vmovdqu %ymm8,%ymm6"); + asm volatile("vmovdqu32.s %zmm25,%zmm26"); + asm volatile("vmovdqu64.s %zmm25,%zmm26"); + asm volatile("vmovdqu8.s %zmm30,(%rcx)"); + asm volatile("vmovdqu16.s %zmm25,%zmm26"); + + /* AVX-512: Op code 0f db */ + + asm volatile("pand %mm1,%mm2"); + asm volatile("pand %xmm1,%xmm2"); + asm volatile("vpand %ymm4,%ymm6,%ymm2"); + asm volatile("vpandd %zmm24,%zmm25,%zmm26"); + asm volatile("vpandq %zmm24,%zmm25,%zmm26"); + + /* AVX-512: Op code 0f df */ + + asm volatile("pandn %mm1,%mm2"); + asm volatile("pandn %xmm1,%xmm2"); + asm volatile("vpandn %ymm4,%ymm6,%ymm2"); + asm volatile("vpandnd %zmm24,%zmm25,%zmm26"); + asm volatile("vpandnq %zmm24,%zmm25,%zmm26"); + + /* AVX-512: Op code 0f e6 */ + + asm volatile("vcvttpd2dq %xmm1,%xmm2"); + asm volatile("vcvtdq2pd %xmm5,%xmm6"); + asm volatile("vcvtdq2pd %ymm5,%zmm26{%k7}"); + asm volatile("vcvtqq2pd %zmm25,%zmm26"); + asm volatile("vcvtpd2dq %xmm1,%xmm2"); + + /* AVX-512: Op code 0f eb */ + + asm volatile("por %mm4,%mm6"); + asm volatile("vpor %ymm4,%ymm6,%ymm2"); + asm volatile("vpord %zmm24,%zmm25,%zmm26"); + asm volatile("vporq %zmm24,%zmm25,%zmm26"); + + /* AVX-512: Op code 0f ef */ + + asm volatile("pxor %mm4,%mm6"); + asm volatile("vpxor %ymm4,%ymm6,%ymm2"); + asm volatile("vpxord %zmm24,%zmm25,%zmm26"); + asm volatile("vpxorq %zmm24,%zmm25,%zmm26"); + + /* AVX-512: Op code 0f 38 10 */ + + asm volatile("pblendvb %xmm1,%xmm0"); + asm volatile("vpsrlvw %zmm27,%zmm28,%zmm29"); + asm volatile("vpmovuswb %zmm28,%ymm6{%k7}"); + + /* AVX-512: Op code 0f 38 11 */ + + asm volatile("vpmovusdb %zmm28,%xmm6{%k7}"); + asm volatile("vpsravw %zmm27,%zmm28,%zmm29"); + + /* AVX-512: Op code 0f 38 12 */ + + asm volatile("vpmovusqb %zmm27,%xmm6{%k7}"); + asm volatile("vpsllvw %zmm27,%zmm28,%zmm29"); + + /* AVX-512: Op code 0f 38 13 */ + + asm volatile("vcvtph2ps %xmm3,%ymm5"); + asm volatile("vcvtph2ps %ymm5,%zmm27{%k7}"); + asm volatile("vpmovusdw %zmm27,%ymm6{%k7}"); + + /* AVX-512: Op code 0f 38 14 */ + + asm volatile("blendvps %xmm1,%xmm0"); + asm volatile("vpmovusqw %zmm27,%xmm6{%k7}"); + asm volatile("vprorvd %zmm27,%zmm28,%zmm29"); + asm volatile("vprorvq %zmm27,%zmm28,%zmm29"); + + /* AVX-512: Op code 0f 38 15 */ + + asm volatile("blendvpd %xmm1,%xmm0"); + asm volatile("vpmovusqd %zmm27,%ymm6{%k7}"); + asm volatile("vprolvd %zmm27,%zmm28,%zmm29"); + asm volatile("vprolvq %zmm27,%zmm28,%zmm29"); + + /* AVX-512: Op code 0f 38 16 */ + + asm volatile("vpermps %ymm4,%ymm6,%ymm2"); + asm volatile("vpermps %ymm24,%ymm26,%ymm22{%k7}"); + asm volatile("vpermpd %ymm24,%ymm26,%ymm22{%k7}"); + + /* AVX-512: Op code 0f 38 19 */ + + asm volatile("vbroadcastsd %xmm4,%ymm6"); + asm volatile("vbroadcastf32x2 %xmm27,%zmm26"); + + /* AVX-512: Op code 0f 38 1a */ + + asm volatile("vbroadcastf128 (%rcx),%ymm4"); + asm volatile("vbroadcastf32x4 (%rcx),%zmm26"); + asm volatile("vbroadcastf64x2 (%rcx),%zmm26"); + + /* AVX-512: Op code 0f 38 1b */ + + asm volatile("vbroadcastf32x8 (%rcx),%zmm27"); + asm volatile("vbroadcastf64x4 (%rcx),%zmm26"); + + /* AVX-512: Op code 0f 38 1f */ + + asm volatile("vpabsq %zmm27,%zmm28"); + + /* AVX-512: Op code 0f 38 20 */ + + asm volatile("vpmovsxbw %xmm4,%xmm5"); + asm volatile("vpmovswb %zmm27,%ymm6{%k7}"); + + /* AVX-512: Op code 0f 38 21 */ + + asm volatile("vpmovsxbd %xmm4,%ymm6"); + asm volatile("vpmovsdb %zmm27,%xmm6{%k7}"); + + /* AVX-512: Op code 0f 38 22 */ + + asm volatile("vpmovsxbq %xmm4,%ymm4"); + asm volatile("vpmovsqb %zmm27,%xmm6{%k7}"); + + /* AVX-512: Op code 0f 38 23 */ + + asm volatile("vpmovsxwd %xmm4,%ymm4"); + asm volatile("vpmovsdw %zmm27,%ymm6{%k7}"); + + /* AVX-512: Op code 0f 38 24 */ + + asm volatile("vpmovsxwq %xmm4,%ymm6"); + asm volatile("vpmovsqw %zmm27,%xmm6{%k7}"); + + /* AVX-512: Op code 0f 38 25 */ + + asm volatile("vpmovsxdq %xmm4,%ymm4"); + asm volatile("vpmovsqd %zmm27,%ymm6{%k7}"); + + /* AVX-512: Op code 0f 38 26 */ + + asm volatile("vptestmb %zmm27,%zmm28,%k5"); + asm volatile("vptestmw %zmm27,%zmm28,%k5"); + asm volatile("vptestnmb %zmm26,%zmm27,%k5"); + asm volatile("vptestnmw %zmm26,%zmm27,%k5"); + + /* AVX-512: Op code 0f 38 27 */ + + asm volatile("vptestmd %zmm27,%zmm28,%k5"); + asm volatile("vptestmq %zmm27,%zmm28,%k5"); + asm volatile("vptestnmd %zmm26,%zmm27,%k5"); + asm volatile("vptestnmq %zmm26,%zmm27,%k5"); + + /* AVX-512: Op code 0f 38 28 */ + + asm volatile("vpmuldq %ymm4,%ymm6,%ymm2"); + asm volatile("vpmovm2b %k5,%zmm28"); + asm volatile("vpmovm2w %k5,%zmm28"); + + /* AVX-512: Op code 0f 38 29 */ + + asm volatile("vpcmpeqq %ymm4,%ymm6,%ymm2"); + asm volatile("vpmovb2m %zmm28,%k5"); + asm volatile("vpmovw2m %zmm28,%k5"); + + /* AVX-512: Op code 0f 38 2a */ + + asm volatile("vmovntdqa (%rcx),%ymm4"); + asm volatile("vpbroadcastmb2q %k6,%zmm30"); + + /* AVX-512: Op code 0f 38 2c */ + + asm volatile("vmaskmovps (%rcx),%ymm4,%ymm6"); + asm volatile("vscalefps %zmm24,%zmm25,%zmm26"); + asm volatile("vscalefpd %zmm24,%zmm25,%zmm26"); + + /* AVX-512: Op code 0f 38 2d */ + + asm volatile("vmaskmovpd (%rcx),%ymm4,%ymm6"); + asm volatile("vscalefss %xmm24,%xmm25,%xmm26{%k7}"); + asm volatile("vscalefsd %xmm24,%xmm25,%xmm26{%k7}"); + + /* AVX-512: Op code 0f 38 30 */ + + asm volatile("vpmovzxbw %xmm4,%ymm4"); + asm volatile("vpmovwb %zmm27,%ymm6{%k7}"); + + /* AVX-512: Op code 0f 38 31 */ + + asm volatile("vpmovzxbd %xmm4,%ymm6"); + asm volatile("vpmovdb %zmm27,%xmm6{%k7}"); + + /* AVX-512: Op code 0f 38 32 */ + + asm volatile("vpmovzxbq %xmm4,%ymm4"); + asm volatile("vpmovqb %zmm27,%xmm6{%k7}"); + + /* AVX-512: Op code 0f 38 33 */ + + asm volatile("vpmovzxwd %xmm4,%ymm4"); + asm volatile("vpmovdw %zmm27,%ymm6{%k7}"); + + /* AVX-512: Op code 0f 38 34 */ + + asm volatile("vpmovzxwq %xmm4,%ymm6"); + asm volatile("vpmovqw %zmm27,%xmm6{%k7}"); + + /* AVX-512: Op code 0f 38 35 */ + + asm volatile("vpmovzxdq %xmm4,%ymm4"); + asm volatile("vpmovqd %zmm27,%ymm6{%k7}"); + + /* AVX-512: Op code 0f 38 38 */ + + asm volatile("vpermd %ymm4,%ymm6,%ymm2"); + asm volatile("vpermd %ymm24,%ymm26,%ymm22{%k7}"); + asm volatile("vpermq %ymm24,%ymm26,%ymm22{%k7}"); + + /* AVX-512: Op code 0f 38 38 */ + + asm volatile("vpminsb %ymm4,%ymm6,%ymm2"); + asm volatile("vpmovm2d %k5,%zmm28"); + asm volatile("vpmovm2q %k5,%zmm28"); + + /* AVX-512: Op code 0f 38 39 */ + + asm volatile("vpminsd %xmm1,%xmm2,%xmm3"); + asm volatile("vpminsd %zmm24,%zmm25,%zmm26"); + asm volatile("vpminsq %zmm24,%zmm25,%zmm26"); + asm volatile("vpmovd2m %zmm28,%k5"); + asm volatile("vpmovq2m %zmm28,%k5"); + + /* AVX-512: Op code 0f 38 3a */ + + asm volatile("vpminuw %ymm4,%ymm6,%ymm2"); + asm volatile("vpbroadcastmw2d %k6,%zmm28"); + + /* AVX-512: Op code 0f 38 3b */ + + asm volatile("vpminud %ymm4,%ymm6,%ymm2"); + asm volatile("vpminud %zmm24,%zmm25,%zmm26"); + asm volatile("vpminuq %zmm24,%zmm25,%zmm26"); + + /* AVX-512: Op code 0f 38 3d */ + + asm volatile("vpmaxsd %ymm4,%ymm6,%ymm2"); + asm volatile("vpmaxsd %zmm24,%zmm25,%zmm26"); + asm volatile("vpmaxsq %zmm24,%zmm25,%zmm26"); + + /* AVX-512: Op code 0f 38 3f */ + + asm volatile("vpmaxud %ymm4,%ymm6,%ymm2"); + asm volatile("vpmaxud %zmm24,%zmm25,%zmm26"); + asm volatile("vpmaxuq %zmm24,%zmm25,%zmm26"); + + /* AVX-512: Op code 0f 38 42 */ + + asm volatile("vpmulld %ymm4,%ymm6,%ymm2"); + asm volatile("vpmulld %zmm24,%zmm25,%zmm26"); + asm volatile("vpmullq %zmm24,%zmm25,%zmm26"); + + /* AVX-512: Op code 0f 38 42 */ + + asm volatile("vgetexpps %zmm25,%zmm26"); + asm volatile("vgetexppd %zmm27,%zmm28"); + + /* AVX-512: Op code 0f 38 43 */ + + asm volatile("vgetexpss %xmm24,%xmm25,%xmm26{%k7}"); + asm volatile("vgetexpsd %xmm28,%xmm29,%xmm30{%k7}"); + + /* AVX-512: Op code 0f 38 44 */ + + asm volatile("vplzcntd %zmm27,%zmm28"); + asm volatile("vplzcntq %zmm27,%zmm28"); + + /* AVX-512: Op code 0f 38 46 */ + + asm volatile("vpsravd %ymm4,%ymm6,%ymm2"); + asm volatile("vpsravd %zmm24,%zmm25,%zmm26"); + asm volatile("vpsravq %zmm24,%zmm25,%zmm26"); + + /* AVX-512: Op code 0f 38 4c */ + + asm volatile("vrcp14ps %zmm25,%zmm26"); + asm volatile("vrcp14pd %zmm27,%zmm28"); + + /* AVX-512: Op code 0f 38 4d */ + + asm volatile("vrcp14ss %xmm24,%xmm25,%xmm26{%k7}"); + asm volatile("vrcp14sd %xmm24,%xmm25,%xmm26{%k7}"); + + /* AVX-512: Op code 0f 38 4e */ + + asm volatile("vrsqrt14ps %zmm25,%zmm26"); + asm volatile("vrsqrt14pd %zmm27,%zmm28"); + + /* AVX-512: Op code 0f 38 4f */ + + asm volatile("vrsqrt14ss %xmm24,%xmm25,%xmm26{%k7}"); + asm volatile("vrsqrt14sd %xmm24,%xmm25,%xmm26{%k7}"); + + /* AVX-512: Op code 0f 38 59 */ + + asm volatile("vpbroadcastq %xmm4,%xmm6"); + asm volatile("vbroadcasti32x2 %xmm27,%zmm26"); + + /* AVX-512: Op code 0f 38 5a */ + + asm volatile("vbroadcasti128 (%rcx),%ymm4"); + asm volatile("vbroadcasti32x4 (%rcx),%zmm26"); + asm volatile("vbroadcasti64x2 (%rcx),%zmm26"); + + /* AVX-512: Op code 0f 38 5b */ + + asm volatile("vbroadcasti32x8 (%rcx),%zmm28"); + asm volatile("vbroadcasti64x4 (%rcx),%zmm26"); + + /* AVX-512: Op code 0f 38 64 */ + + asm volatile("vpblendmd %zmm26,%zmm27,%zmm28"); + asm volatile("vpblendmq %zmm26,%zmm27,%zmm28"); + + /* AVX-512: Op code 0f 38 65 */ + + asm volatile("vblendmps %zmm24,%zmm25,%zmm26"); + asm volatile("vblendmpd %zmm26,%zmm27,%zmm28"); + + /* AVX-512: Op code 0f 38 66 */ + + asm volatile("vpblendmb %zmm26,%zmm27,%zmm28"); + asm volatile("vpblendmw %zmm26,%zmm27,%zmm28"); + + /* AVX-512: Op code 0f 38 75 */ + + asm volatile("vpermi2b %zmm24,%zmm25,%zmm26"); + asm volatile("vpermi2w %zmm26,%zmm27,%zmm28"); + + /* AVX-512: Op code 0f 38 76 */ + + asm volatile("vpermi2d %zmm26,%zmm27,%zmm28"); + asm volatile("vpermi2q %zmm26,%zmm27,%zmm28"); + + /* AVX-512: Op code 0f 38 77 */ + + asm volatile("vpermi2ps %zmm26,%zmm27,%zmm28"); + asm volatile("vpermi2pd %zmm26,%zmm27,%zmm28"); + + /* AVX-512: Op code 0f 38 7a */ + + asm volatile("vpbroadcastb %eax,%xmm30"); + + /* AVX-512: Op code 0f 38 7b */ + + asm volatile("vpbroadcastw %eax,%xmm30"); + + /* AVX-512: Op code 0f 38 7c */ + + asm volatile("vpbroadcastd %eax,%xmm30"); + asm volatile("vpbroadcastq %rax,%zmm30"); + + /* AVX-512: Op code 0f 38 7d */ + + asm volatile("vpermt2b %zmm26,%zmm27,%zmm28"); + asm volatile("vpermt2w %zmm26,%zmm27,%zmm28"); + + /* AVX-512: Op code 0f 38 7e */ + + asm volatile("vpermt2d %zmm26,%zmm27,%zmm28"); + asm volatile("vpermt2q %zmm26,%zmm27,%zmm28"); + + /* AVX-512: Op code 0f 38 7f */ + + asm volatile("vpermt2ps %zmm26,%zmm27,%zmm28"); + asm volatile("vpermt2pd %zmm26,%zmm27,%zmm28"); + + /* AVX-512: Op code 0f 38 83 */ + + asm volatile("vpmultishiftqb %zmm26,%zmm27,%zmm28"); + + /* AVX-512: Op code 0f 38 88 */ + + asm volatile("vexpandps (%rcx),%zmm26"); + asm volatile("vexpandpd (%rcx),%zmm28"); + + /* AVX-512: Op code 0f 38 89 */ + + asm volatile("vpexpandd (%rcx),%zmm28"); + asm volatile("vpexpandq (%rcx),%zmm26"); + + /* AVX-512: Op code 0f 38 8a */ + + asm volatile("vcompressps %zmm28,(%rcx)"); + asm volatile("vcompresspd %zmm28,(%rcx)"); + + /* AVX-512: Op code 0f 38 8b */ + + asm volatile("vpcompressd %zmm28,(%rcx)"); + asm volatile("vpcompressq %zmm26,(%rcx)"); + + /* AVX-512: Op code 0f 38 8d */ + + asm volatile("vpermb %zmm26,%zmm27,%zmm28"); + asm volatile("vpermw %zmm26,%zmm27,%zmm28"); + + /* AVX-512: Op code 0f 38 90 */ + + asm volatile("vpgatherdd %xmm2,0x02(%rbp,%xmm7,2),%xmm1"); + asm volatile("vpgatherdq %xmm2,0x04(%rbp,%xmm7,2),%xmm1"); + asm volatile("vpgatherdd 0x7b(%rbp,%zmm27,8),%zmm26{%k1}"); + asm volatile("vpgatherdq 0x7b(%rbp,%ymm27,8),%zmm26{%k1}"); + + /* AVX-512: Op code 0f 38 91 */ + + asm volatile("vpgatherqd %xmm2,0x02(%rbp,%xmm7,2),%xmm1"); + asm volatile("vpgatherqq %xmm2,0x02(%rbp,%xmm7,2),%xmm1"); + asm volatile("vpgatherqd 0x7b(%rbp,%zmm27,8),%ymm26{%k1}"); + asm volatile("vpgatherqq 0x7b(%rbp,%zmm27,8),%zmm26{%k1}"); + + /* AVX-512: Op code 0f 38 a0 */ + + asm volatile("vpscatterdd %zmm28,0x7b(%rbp,%zmm29,8){%k1}"); + asm volatile("vpscatterdq %zmm26,0x7b(%rbp,%ymm27,8){%k1}"); + + /* AVX-512: Op code 0f 38 a1 */ + + asm volatile("vpscatterqd %ymm6,0x7b(%rbp,%zmm29,8){%k1}"); + asm volatile("vpscatterqq %ymm6,0x7b(%rbp,%ymm27,8){%k1}"); + + /* AVX-512: Op code 0f 38 a2 */ + + asm volatile("vscatterdps %zmm28,0x7b(%rbp,%zmm29,8){%k1}"); + asm volatile("vscatterdpd %zmm28,0x7b(%rbp,%ymm27,8){%k1}"); + + /* AVX-512: Op code 0f 38 a3 */ + + asm volatile("vscatterqps %ymm6,0x7b(%rbp,%zmm29,8){%k1}"); + asm volatile("vscatterqpd %zmm28,0x7b(%rbp,%zmm29,8){%k1}"); + + /* AVX-512: Op code 0f 38 b4 */ + + asm volatile("vpmadd52luq %zmm26,%zmm27,%zmm28"); + + /* AVX-512: Op code 0f 38 b5 */ + + asm volatile("vpmadd52huq %zmm26,%zmm27,%zmm28"); + + /* AVX-512: Op code 0f 38 c4 */ + + asm volatile("vpconflictd %zmm26,%zmm27"); + asm volatile("vpconflictq %zmm26,%zmm27"); + + /* AVX-512: Op code 0f 38 c8 */ + + asm volatile("vexp2ps %zmm29,%zmm30"); + asm volatile("vexp2pd %zmm26,%zmm27"); + + /* AVX-512: Op code 0f 38 ca */ + + asm volatile("vrcp28ps %zmm29,%zmm30"); + asm volatile("vrcp28pd %zmm26,%zmm27"); + + /* AVX-512: Op code 0f 38 cb */ + + asm volatile("vrcp28ss %xmm28,%xmm29,%xmm30{%k7}"); + asm volatile("vrcp28sd %xmm25,%xmm26,%xmm27{%k7}"); + + /* AVX-512: Op code 0f 38 cc */ + + asm volatile("vrsqrt28ps %zmm29,%zmm30"); + asm volatile("vrsqrt28pd %zmm26,%zmm27"); + + /* AVX-512: Op code 0f 38 cd */ + + asm volatile("vrsqrt28ss %xmm28,%xmm29,%xmm30{%k7}"); + asm volatile("vrsqrt28sd %xmm25,%xmm26,%xmm27{%k7}"); + + /* AVX-512: Op code 0f 3a 03 */ + + asm volatile("valignd $0x12,%zmm28,%zmm29,%zmm30"); + asm volatile("valignq $0x12,%zmm25,%zmm26,%zmm27"); + + /* AVX-512: Op code 0f 3a 08 */ + + asm volatile("vroundps $0x5,%ymm6,%ymm2"); + asm volatile("vrndscaleps $0x12,%zmm25,%zmm26"); + + /* AVX-512: Op code 0f 3a 09 */ + + asm volatile("vroundpd $0x5,%ymm6,%ymm2"); + asm volatile("vrndscalepd $0x12,%zmm25,%zmm26"); + + /* AVX-512: Op code 0f 3a 1a */ + + asm volatile("vroundss $0x5,%xmm4,%xmm6,%xmm2"); + asm volatile("vrndscaless $0x12,%xmm24,%xmm25,%xmm26{%k7}"); + + /* AVX-512: Op code 0f 3a 0b */ + + asm volatile("vroundsd $0x5,%xmm4,%xmm6,%xmm2"); + asm volatile("vrndscalesd $0x12,%xmm24,%xmm25,%xmm26{%k7}"); + + /* AVX-512: Op code 0f 3a 18 */ + + asm volatile("vinsertf128 $0x5,%xmm4,%ymm4,%ymm6"); + asm volatile("vinsertf32x4 $0x12,%xmm24,%zmm25,%zmm26{%k7}"); + asm volatile("vinsertf64x2 $0x12,%xmm24,%zmm25,%zmm26{%k7}"); + + /* AVX-512: Op code 0f 3a 19 */ + + asm volatile("vextractf128 $0x5,%ymm4,%xmm4"); + asm volatile("vextractf32x4 $0x12,%zmm25,%xmm26{%k7}"); + asm volatile("vextractf64x2 $0x12,%zmm25,%xmm26{%k7}"); + + /* AVX-512: Op code 0f 3a 1a */ + + asm volatile("vinsertf32x8 $0x12,%ymm25,%zmm26,%zmm27{%k7}"); + asm volatile("vinsertf64x4 $0x12,%ymm28,%zmm29,%zmm30{%k7}"); + + /* AVX-512: Op code 0f 3a 1b */ + + asm volatile("vextractf32x8 $0x12,%zmm29,%ymm30{%k7}"); + asm volatile("vextractf64x4 $0x12,%zmm26,%ymm27{%k7}"); + + /* AVX-512: Op code 0f 3a 1e */ + + asm volatile("vpcmpud $0x12,%zmm29,%zmm30,%k5"); + asm volatile("vpcmpuq $0x12,%zmm26,%zmm27,%k5"); + + /* AVX-512: Op code 0f 3a 1f */ + + asm volatile("vpcmpd $0x12,%zmm29,%zmm30,%k5"); + asm volatile("vpcmpq $0x12,%zmm26,%zmm27,%k5"); + + /* AVX-512: Op code 0f 3a 23 */ + + asm volatile("vshuff32x4 $0x12,%zmm28,%zmm29,%zmm30"); + asm volatile("vshuff64x2 $0x12,%zmm25,%zmm26,%zmm27"); + + /* AVX-512: Op code 0f 3a 25 */ + + asm volatile("vpternlogd $0x12,%zmm28,%zmm29,%zmm30"); + asm volatile("vpternlogq $0x12,%zmm28,%zmm29,%zmm30"); + + /* AVX-512: Op code 0f 3a 26 */ + + asm volatile("vgetmantps $0x12,%zmm26,%zmm27"); + asm volatile("vgetmantpd $0x12,%zmm29,%zmm30"); + + /* AVX-512: Op code 0f 3a 27 */ + + asm volatile("vgetmantss $0x12,%xmm25,%xmm26,%xmm27{%k7}"); + asm volatile("vgetmantsd $0x12,%xmm28,%xmm29,%xmm30{%k7}"); + + /* AVX-512: Op code 0f 3a 38 */ + + asm volatile("vinserti128 $0x5,%xmm4,%ymm4,%ymm6"); + asm volatile("vinserti32x4 $0x12,%xmm24,%zmm25,%zmm26{%k7}"); + asm volatile("vinserti64x2 $0x12,%xmm24,%zmm25,%zmm26{%k7}"); + + /* AVX-512: Op code 0f 3a 39 */ + + asm volatile("vextracti128 $0x5,%ymm4,%xmm6"); + asm volatile("vextracti32x4 $0x12,%zmm25,%xmm26{%k7}"); + asm volatile("vextracti64x2 $0x12,%zmm25,%xmm26{%k7}"); + + /* AVX-512: Op code 0f 3a 3a */ + + asm volatile("vinserti32x8 $0x12,%ymm28,%zmm29,%zmm30{%k7}"); + asm volatile("vinserti64x4 $0x12,%ymm25,%zmm26,%zmm27{%k7}"); + + /* AVX-512: Op code 0f 3a 3b */ + + asm volatile("vextracti32x8 $0x12,%zmm29,%ymm30{%k7}"); + asm volatile("vextracti64x4 $0x12,%zmm26,%ymm27{%k7}"); + + /* AVX-512: Op code 0f 3a 3e */ + + asm volatile("vpcmpub $0x12,%zmm29,%zmm30,%k5"); + asm volatile("vpcmpuw $0x12,%zmm26,%zmm27,%k5"); + + /* AVX-512: Op code 0f 3a 3f */ + + asm volatile("vpcmpb $0x12,%zmm29,%zmm30,%k5"); + asm volatile("vpcmpw $0x12,%zmm26,%zmm27,%k5"); + + /* AVX-512: Op code 0f 3a 43 */ + + asm volatile("vmpsadbw $0x5,%ymm4,%ymm6,%ymm2"); + asm volatile("vdbpsadbw $0x12,%zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 3a 43 */ + + asm volatile("vshufi32x4 $0x12,%zmm25,%zmm26,%zmm27"); + asm volatile("vshufi64x2 $0x12,%zmm28,%zmm29,%zmm30"); + + /* AVX-512: Op code 0f 3a 50 */ + + asm volatile("vrangeps $0x12,%zmm25,%zmm26,%zmm27"); + asm volatile("vrangepd $0x12,%zmm28,%zmm29,%zmm30"); + + /* AVX-512: Op code 0f 3a 51 */ + + asm volatile("vrangess $0x12,%xmm25,%xmm26,%xmm27"); + asm volatile("vrangesd $0x12,%xmm28,%xmm29,%xmm30"); + + /* AVX-512: Op code 0f 3a 54 */ + + asm volatile("vfixupimmps $0x12,%zmm28,%zmm29,%zmm30"); + asm volatile("vfixupimmpd $0x12,%zmm25,%zmm26,%zmm27"); + + /* AVX-512: Op code 0f 3a 55 */ + + asm volatile("vfixupimmss $0x12,%xmm28,%xmm29,%xmm30{%k7}"); + asm volatile("vfixupimmsd $0x12,%xmm25,%xmm26,%xmm27{%k7}"); + + /* AVX-512: Op code 0f 3a 56 */ + + asm volatile("vreduceps $0x12,%zmm26,%zmm27"); + asm volatile("vreducepd $0x12,%zmm29,%zmm30"); + + /* AVX-512: Op code 0f 3a 57 */ + + asm volatile("vreducess $0x12,%xmm25,%xmm26,%xmm27"); + asm volatile("vreducesd $0x12,%xmm28,%xmm29,%xmm30"); + + /* AVX-512: Op code 0f 3a 66 */ + + asm volatile("vfpclassps $0x12,%zmm27,%k5"); + asm volatile("vfpclasspd $0x12,%zmm30,%k5"); + + /* AVX-512: Op code 0f 3a 67 */ + + asm volatile("vfpclassss $0x12,%xmm27,%k5"); + asm volatile("vfpclasssd $0x12,%xmm30,%k5"); + + /* AVX-512: Op code 0f 72 (Grp13) */ + + asm volatile("vprord $0x12,%zmm25,%zmm26"); + asm volatile("vprorq $0x12,%zmm25,%zmm26"); + asm volatile("vprold $0x12,%zmm29,%zmm30"); + asm volatile("vprolq $0x12,%zmm29,%zmm30"); + asm volatile("psrad $0x2,%mm6"); + asm volatile("vpsrad $0x5,%ymm6,%ymm2"); + asm volatile("vpsrad $0x5,%zmm26,%zmm22"); + asm volatile("vpsraq $0x5,%zmm26,%zmm22"); + + /* AVX-512: Op code 0f 38 c6 (Grp18) */ + + asm volatile("vgatherpf0dps 0x7b(%r14,%zmm31,8){%k1}"); + asm volatile("vgatherpf0dpd 0x7b(%r14,%ymm31,8){%k1}"); + asm volatile("vgatherpf1dps 0x7b(%r14,%zmm31,8){%k1}"); + asm volatile("vgatherpf1dpd 0x7b(%r14,%ymm31,8){%k1}"); + asm volatile("vscatterpf0dps 0x7b(%r14,%zmm31,8){%k1}"); + asm volatile("vscatterpf0dpd 0x7b(%r14,%ymm31,8){%k1}"); + asm volatile("vscatterpf1dps 0x7b(%r14,%zmm31,8){%k1}"); + asm volatile("vscatterpf1dpd 0x7b(%r14,%ymm31,8){%k1}"); + + /* AVX-512: Op code 0f 38 c7 (Grp19) */ + + asm volatile("vgatherpf0qps 0x7b(%r14,%zmm31,8){%k1}"); + asm volatile("vgatherpf0qpd 0x7b(%r14,%zmm31,8){%k1}"); + asm volatile("vgatherpf1qps 0x7b(%r14,%zmm31,8){%k1}"); + asm volatile("vgatherpf1qpd 0x7b(%r14,%zmm31,8){%k1}"); + asm volatile("vscatterpf0qps 0x7b(%r14,%zmm31,8){%k1}"); + asm volatile("vscatterpf0qpd 0x7b(%r14,%zmm31,8){%k1}"); + asm volatile("vscatterpf1qps 0x7b(%r14,%zmm31,8){%k1}"); + asm volatile("vscatterpf1qpd 0x7b(%r14,%zmm31,8){%k1}"); + + /* AVX-512: Examples */ + + asm volatile("vaddpd %zmm28,%zmm29,%zmm30"); + asm volatile("vaddpd %zmm28,%zmm29,%zmm30{%k7}"); + asm volatile("vaddpd %zmm28,%zmm29,%zmm30{%k7}{z}"); + asm volatile("vaddpd {rn-sae},%zmm28,%zmm29,%zmm30"); + asm volatile("vaddpd {ru-sae},%zmm28,%zmm29,%zmm30"); + asm volatile("vaddpd {rd-sae},%zmm28,%zmm29,%zmm30"); + asm volatile("vaddpd {rz-sae},%zmm28,%zmm29,%zmm30"); + asm volatile("vaddpd (%rcx),%zmm29,%zmm30"); + asm volatile("vaddpd 0x123(%rax,%r14,8),%zmm29,%zmm30"); + asm volatile("vaddpd (%rcx){1to8},%zmm29,%zmm30"); + asm volatile("vaddpd 0x1fc0(%rdx),%zmm29,%zmm30"); + asm volatile("vaddpd 0x3f8(%rdx){1to8},%zmm29,%zmm30"); + asm volatile("vcmpeq_uqps 0x1fc(%rdx){1to16},%zmm30,%k5"); + asm volatile("vcmpltsd 0x123(%rax,%r14,8),%xmm29,%k5{%k7}"); + asm volatile("vcmplesd {sae},%xmm28,%xmm29,%k5{%k7}"); + asm volatile("vgetmantss $0x5b,0x123(%rax,%r14,8),%xmm29,%xmm30{%k7}"); + /* bndmk m64, bnd */ asm volatile("bndmk (%rax), %bnd0"); @@ -471,6 +1345,921 @@ int main(void) #else /* #ifdef __x86_64__ */ + /* bound r32, mem (same op code as EVEX prefix) */ + + asm volatile("bound %eax, 0x12345678(%ecx)"); + asm volatile("bound %ecx, 0x12345678(%eax)"); + asm volatile("bound %edx, 0x12345678(%eax)"); + asm volatile("bound %ebx, 0x12345678(%eax)"); + asm volatile("bound %esp, 0x12345678(%eax)"); + asm volatile("bound %ebp, 0x12345678(%eax)"); + asm volatile("bound %esi, 0x12345678(%eax)"); + asm volatile("bound %edi, 0x12345678(%eax)"); + asm volatile("bound %ecx, (%eax)"); + asm volatile("bound %eax, (0x12345678)"); + asm volatile("bound %edx, (%ecx,%eax,1)"); + asm volatile("bound %edx, 0x12345678(,%eax,1)"); + asm volatile("bound %edx, (%eax,%ecx,1)"); + asm volatile("bound %edx, (%eax,%ecx,8)"); + asm volatile("bound %edx, 0x12(%eax)"); + asm volatile("bound %edx, 0x12(%ebp)"); + asm volatile("bound %edx, 0x12(%ecx,%eax,1)"); + asm volatile("bound %edx, 0x12(%ebp,%eax,1)"); + asm volatile("bound %edx, 0x12(%eax,%ecx,1)"); + asm volatile("bound %edx, 0x12(%eax,%ecx,8)"); + asm volatile("bound %edx, 0x12345678(%eax)"); + asm volatile("bound %edx, 0x12345678(%ebp)"); + asm volatile("bound %edx, 0x12345678(%ecx,%eax,1)"); + asm volatile("bound %edx, 0x12345678(%ebp,%eax,1)"); + asm volatile("bound %edx, 0x12345678(%eax,%ecx,1)"); + asm volatile("bound %edx, 0x12345678(%eax,%ecx,8)"); + + /* bound r16, mem (same op code as EVEX prefix) */ + + asm volatile("bound %ax, 0x12345678(%ecx)"); + asm volatile("bound %cx, 0x12345678(%eax)"); + asm volatile("bound %dx, 0x12345678(%eax)"); + asm volatile("bound %bx, 0x12345678(%eax)"); + asm volatile("bound %sp, 0x12345678(%eax)"); + asm volatile("bound %bp, 0x12345678(%eax)"); + asm volatile("bound %si, 0x12345678(%eax)"); + asm volatile("bound %di, 0x12345678(%eax)"); + asm volatile("bound %cx, (%eax)"); + asm volatile("bound %ax, (0x12345678)"); + asm volatile("bound %dx, (%ecx,%eax,1)"); + asm volatile("bound %dx, 0x12345678(,%eax,1)"); + asm volatile("bound %dx, (%eax,%ecx,1)"); + asm volatile("bound %dx, (%eax,%ecx,8)"); + asm volatile("bound %dx, 0x12(%eax)"); + asm volatile("bound %dx, 0x12(%ebp)"); + asm volatile("bound %dx, 0x12(%ecx,%eax,1)"); + asm volatile("bound %dx, 0x12(%ebp,%eax,1)"); + asm volatile("bound %dx, 0x12(%eax,%ecx,1)"); + asm volatile("bound %dx, 0x12(%eax,%ecx,8)"); + asm volatile("bound %dx, 0x12345678(%eax)"); + asm volatile("bound %dx, 0x12345678(%ebp)"); + asm volatile("bound %dx, 0x12345678(%ecx,%eax,1)"); + asm volatile("bound %dx, 0x12345678(%ebp,%eax,1)"); + asm volatile("bound %dx, 0x12345678(%eax,%ecx,1)"); + asm volatile("bound %dx, 0x12345678(%eax,%ecx,8)"); + + /* AVX-512: Instructions with the same op codes as Mask Instructions */ + + asm volatile("cmovno %eax,%ebx"); + asm volatile("cmovno 0x12345678(%eax),%ecx"); + asm volatile("cmovno 0x12345678(%eax),%cx"); + + asm volatile("cmove %eax,%ebx"); + asm volatile("cmove 0x12345678(%eax),%ecx"); + asm volatile("cmove 0x12345678(%eax),%cx"); + + asm volatile("seto 0x12345678(%eax)"); + asm volatile("setno 0x12345678(%eax)"); + asm volatile("setb 0x12345678(%eax)"); + asm volatile("setc 0x12345678(%eax)"); + asm volatile("setnae 0x12345678(%eax)"); + asm volatile("setae 0x12345678(%eax)"); + asm volatile("setnb 0x12345678(%eax)"); + asm volatile("setnc 0x12345678(%eax)"); + asm volatile("sets 0x12345678(%eax)"); + asm volatile("setns 0x12345678(%eax)"); + + /* AVX-512: Mask Instructions */ + + asm volatile("kandw %k7,%k6,%k5"); + asm volatile("kandq %k7,%k6,%k5"); + asm volatile("kandb %k7,%k6,%k5"); + asm volatile("kandd %k7,%k6,%k5"); + + asm volatile("kandnw %k7,%k6,%k5"); + asm volatile("kandnq %k7,%k6,%k5"); + asm volatile("kandnb %k7,%k6,%k5"); + asm volatile("kandnd %k7,%k6,%k5"); + + asm volatile("knotw %k7,%k6"); + asm volatile("knotq %k7,%k6"); + asm volatile("knotb %k7,%k6"); + asm volatile("knotd %k7,%k6"); + + asm volatile("korw %k7,%k6,%k5"); + asm volatile("korq %k7,%k6,%k5"); + asm volatile("korb %k7,%k6,%k5"); + asm volatile("kord %k7,%k6,%k5"); + + asm volatile("kxnorw %k7,%k6,%k5"); + asm volatile("kxnorq %k7,%k6,%k5"); + asm volatile("kxnorb %k7,%k6,%k5"); + asm volatile("kxnord %k7,%k6,%k5"); + + asm volatile("kxorw %k7,%k6,%k5"); + asm volatile("kxorq %k7,%k6,%k5"); + asm volatile("kxorb %k7,%k6,%k5"); + asm volatile("kxord %k7,%k6,%k5"); + + asm volatile("kaddw %k7,%k6,%k5"); + asm volatile("kaddq %k7,%k6,%k5"); + asm volatile("kaddb %k7,%k6,%k5"); + asm volatile("kaddd %k7,%k6,%k5"); + + asm volatile("kunpckbw %k7,%k6,%k5"); + asm volatile("kunpckwd %k7,%k6,%k5"); + asm volatile("kunpckdq %k7,%k6,%k5"); + + asm volatile("kmovw %k6,%k5"); + asm volatile("kmovw (%ecx),%k5"); + asm volatile("kmovw 0x123(%eax,%ecx,8),%k5"); + asm volatile("kmovw %k5,(%ecx)"); + asm volatile("kmovw %k5,0x123(%eax,%ecx,8)"); + asm volatile("kmovw %eax,%k5"); + asm volatile("kmovw %ebp,%k5"); + asm volatile("kmovw %k5,%eax"); + asm volatile("kmovw %k5,%ebp"); + + asm volatile("kmovq %k6,%k5"); + asm volatile("kmovq (%ecx),%k5"); + asm volatile("kmovq 0x123(%eax,%ecx,8),%k5"); + asm volatile("kmovq %k5,(%ecx)"); + asm volatile("kmovq %k5,0x123(%eax,%ecx,8)"); + + asm volatile("kmovb %k6,%k5"); + asm volatile("kmovb (%ecx),%k5"); + asm volatile("kmovb 0x123(%eax,%ecx,8),%k5"); + asm volatile("kmovb %k5,(%ecx)"); + asm volatile("kmovb %k5,0x123(%eax,%ecx,8)"); + asm volatile("kmovb %eax,%k5"); + asm volatile("kmovb %ebp,%k5"); + asm volatile("kmovb %k5,%eax"); + asm volatile("kmovb %k5,%ebp"); + + asm volatile("kmovd %k6,%k5"); + asm volatile("kmovd (%ecx),%k5"); + asm volatile("kmovd 0x123(%eax,%ecx,8),%k5"); + asm volatile("kmovd %k5,(%ecx)"); + asm volatile("kmovd %k5,0x123(%eax,%ecx,8)"); + asm volatile("kmovd %eax,%k5"); + asm volatile("kmovd %ebp,%k5"); + asm volatile("kmovd %k5,%eax"); + asm volatile("kmovd %k5,%ebp"); + + asm volatile("kortestw %k6,%k5"); + asm volatile("kortestq %k6,%k5"); + asm volatile("kortestb %k6,%k5"); + asm volatile("kortestd %k6,%k5"); + + asm volatile("ktestw %k6,%k5"); + asm volatile("ktestq %k6,%k5"); + asm volatile("ktestb %k6,%k5"); + asm volatile("ktestd %k6,%k5"); + + asm volatile("kshiftrw $0x12,%k6,%k5"); + asm volatile("kshiftrq $0x5b,%k6,%k5"); + asm volatile("kshiftlw $0x12,%k6,%k5"); + asm volatile("kshiftlq $0x5b,%k6,%k5"); + + /* AVX-512: Op code 0f 5b */ + asm volatile("vcvtdq2ps %xmm5,%xmm6"); + asm volatile("vcvtqq2ps %zmm5,%ymm6{%k7}"); + asm volatile("vcvtps2dq %xmm5,%xmm6"); + asm volatile("vcvttps2dq %xmm5,%xmm6"); + + /* AVX-512: Op code 0f 6f */ + + asm volatile("movq %mm0,%mm4"); + asm volatile("vmovdqa %ymm4,%ymm6"); + asm volatile("vmovdqa32 %zmm5,%zmm6"); + asm volatile("vmovdqa64 %zmm5,%zmm6"); + asm volatile("vmovdqu %ymm4,%ymm6"); + asm volatile("vmovdqu32 %zmm5,%zmm6"); + asm volatile("vmovdqu64 %zmm5,%zmm6"); + asm volatile("vmovdqu8 %zmm5,%zmm6"); + asm volatile("vmovdqu16 %zmm5,%zmm6"); + + /* AVX-512: Op code 0f 78 */ + + asm volatile("vmread %eax,%ebx"); + asm volatile("vcvttps2udq %zmm5,%zmm6"); + asm volatile("vcvttpd2udq %zmm5,%ymm6{%k7}"); + asm volatile("vcvttsd2usi %xmm6,%eax"); + asm volatile("vcvttss2usi %xmm6,%eax"); + asm volatile("vcvttps2uqq %ymm5,%zmm6{%k7}"); + asm volatile("vcvttpd2uqq %zmm5,%zmm6"); + + /* AVX-512: Op code 0f 79 */ + + asm volatile("vmwrite %eax,%ebx"); + asm volatile("vcvtps2udq %zmm5,%zmm6"); + asm volatile("vcvtpd2udq %zmm5,%ymm6{%k7}"); + asm volatile("vcvtsd2usi %xmm6,%eax"); + asm volatile("vcvtss2usi %xmm6,%eax"); + asm volatile("vcvtps2uqq %ymm5,%zmm6{%k7}"); + asm volatile("vcvtpd2uqq %zmm5,%zmm6"); + + /* AVX-512: Op code 0f 7a */ + + asm volatile("vcvtudq2pd %ymm5,%zmm6{%k7}"); + asm volatile("vcvtuqq2pd %zmm5,%zmm6"); + asm volatile("vcvtudq2ps %zmm5,%zmm6"); + asm volatile("vcvtuqq2ps %zmm5,%ymm6{%k7}"); + asm volatile("vcvttps2qq %ymm5,%zmm6{%k7}"); + asm volatile("vcvttpd2qq %zmm5,%zmm6"); + + /* AVX-512: Op code 0f 7b */ + + asm volatile("vcvtusi2sd %eax,%xmm5,%xmm6"); + asm volatile("vcvtusi2ss %eax,%xmm5,%xmm6"); + asm volatile("vcvtps2qq %ymm5,%zmm6{%k7}"); + asm volatile("vcvtpd2qq %zmm5,%zmm6"); + + /* AVX-512: Op code 0f 7f */ + + asm volatile("movq.s %mm0,%mm4"); + asm volatile("vmovdqa.s %ymm5,%ymm6"); + asm volatile("vmovdqa32.s %zmm5,%zmm6"); + asm volatile("vmovdqa64.s %zmm5,%zmm6"); + asm volatile("vmovdqu.s %ymm5,%ymm6"); + asm volatile("vmovdqu32.s %zmm5,%zmm6"); + asm volatile("vmovdqu64.s %zmm5,%zmm6"); + asm volatile("vmovdqu8.s %zmm5,%zmm6"); + asm volatile("vmovdqu16.s %zmm5,%zmm6"); + + /* AVX-512: Op code 0f db */ + + asm volatile("pand %mm1,%mm2"); + asm volatile("pand %xmm1,%xmm2"); + asm volatile("vpand %ymm4,%ymm6,%ymm2"); + asm volatile("vpandd %zmm4,%zmm5,%zmm6"); + asm volatile("vpandq %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f df */ + + asm volatile("pandn %mm1,%mm2"); + asm volatile("pandn %xmm1,%xmm2"); + asm volatile("vpandn %ymm4,%ymm6,%ymm2"); + asm volatile("vpandnd %zmm4,%zmm5,%zmm6"); + asm volatile("vpandnq %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f e6 */ + + asm volatile("vcvttpd2dq %xmm1,%xmm2"); + asm volatile("vcvtdq2pd %xmm5,%xmm6"); + asm volatile("vcvtdq2pd %ymm5,%zmm6{%k7}"); + asm volatile("vcvtqq2pd %zmm5,%zmm6"); + asm volatile("vcvtpd2dq %xmm1,%xmm2"); + + /* AVX-512: Op code 0f eb */ + + asm volatile("por %mm4,%mm6"); + asm volatile("vpor %ymm4,%ymm6,%ymm2"); + asm volatile("vpord %zmm4,%zmm5,%zmm6"); + asm volatile("vporq %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f ef */ + + asm volatile("pxor %mm4,%mm6"); + asm volatile("vpxor %ymm4,%ymm6,%ymm2"); + asm volatile("vpxord %zmm4,%zmm5,%zmm6"); + asm volatile("vpxorq %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 10 */ + + asm volatile("pblendvb %xmm1,%xmm0"); + asm volatile("vpsrlvw %zmm4,%zmm5,%zmm6"); + asm volatile("vpmovuswb %zmm5,%ymm6{%k7}"); + + /* AVX-512: Op code 0f 38 11 */ + + asm volatile("vpmovusdb %zmm5,%xmm6{%k7}"); + asm volatile("vpsravw %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 12 */ + + asm volatile("vpmovusqb %zmm5,%xmm6{%k7}"); + asm volatile("vpsllvw %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 13 */ + + asm volatile("vcvtph2ps %xmm3,%ymm5"); + asm volatile("vcvtph2ps %ymm5,%zmm6{%k7}"); + asm volatile("vpmovusdw %zmm5,%ymm6{%k7}"); + + /* AVX-512: Op code 0f 38 14 */ + + asm volatile("blendvps %xmm1,%xmm0"); + asm volatile("vpmovusqw %zmm5,%xmm6{%k7}"); + asm volatile("vprorvd %zmm4,%zmm5,%zmm6"); + asm volatile("vprorvq %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 15 */ + + asm volatile("blendvpd %xmm1,%xmm0"); + asm volatile("vpmovusqd %zmm5,%ymm6{%k7}"); + asm volatile("vprolvd %zmm4,%zmm5,%zmm6"); + asm volatile("vprolvq %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 16 */ + + asm volatile("vpermps %ymm4,%ymm6,%ymm2"); + asm volatile("vpermps %ymm4,%ymm6,%ymm2{%k7}"); + asm volatile("vpermpd %ymm4,%ymm6,%ymm2{%k7}"); + + /* AVX-512: Op code 0f 38 19 */ + + asm volatile("vbroadcastsd %xmm4,%ymm6"); + asm volatile("vbroadcastf32x2 %xmm7,%zmm6"); + + /* AVX-512: Op code 0f 38 1a */ + + asm volatile("vbroadcastf128 (%ecx),%ymm4"); + asm volatile("vbroadcastf32x4 (%ecx),%zmm6"); + asm volatile("vbroadcastf64x2 (%ecx),%zmm6"); + + /* AVX-512: Op code 0f 38 1b */ + + asm volatile("vbroadcastf32x8 (%ecx),%zmm6"); + asm volatile("vbroadcastf64x4 (%ecx),%zmm6"); + + /* AVX-512: Op code 0f 38 1f */ + + asm volatile("vpabsq %zmm4,%zmm6"); + + /* AVX-512: Op code 0f 38 20 */ + + asm volatile("vpmovsxbw %xmm4,%xmm5"); + asm volatile("vpmovswb %zmm5,%ymm6{%k7}"); + + /* AVX-512: Op code 0f 38 21 */ + + asm volatile("vpmovsxbd %xmm4,%ymm6"); + asm volatile("vpmovsdb %zmm5,%xmm6{%k7}"); + + /* AVX-512: Op code 0f 38 22 */ + + asm volatile("vpmovsxbq %xmm4,%ymm4"); + asm volatile("vpmovsqb %zmm5,%xmm6{%k7}"); + + /* AVX-512: Op code 0f 38 23 */ + + asm volatile("vpmovsxwd %xmm4,%ymm4"); + asm volatile("vpmovsdw %zmm5,%ymm6{%k7}"); + + /* AVX-512: Op code 0f 38 24 */ + + asm volatile("vpmovsxwq %xmm4,%ymm6"); + asm volatile("vpmovsqw %zmm5,%xmm6{%k7}"); + + /* AVX-512: Op code 0f 38 25 */ + + asm volatile("vpmovsxdq %xmm4,%ymm4"); + asm volatile("vpmovsqd %zmm5,%ymm6{%k7}"); + + /* AVX-512: Op code 0f 38 26 */ + + asm volatile("vptestmb %zmm5,%zmm6,%k5"); + asm volatile("vptestmw %zmm5,%zmm6,%k5"); + asm volatile("vptestnmb %zmm4,%zmm5,%k5"); + asm volatile("vptestnmw %zmm4,%zmm5,%k5"); + + /* AVX-512: Op code 0f 38 27 */ + + asm volatile("vptestmd %zmm5,%zmm6,%k5"); + asm volatile("vptestmq %zmm5,%zmm6,%k5"); + asm volatile("vptestnmd %zmm4,%zmm5,%k5"); + asm volatile("vptestnmq %zmm4,%zmm5,%k5"); + + /* AVX-512: Op code 0f 38 28 */ + + asm volatile("vpmuldq %ymm4,%ymm6,%ymm2"); + asm volatile("vpmovm2b %k5,%zmm6"); + asm volatile("vpmovm2w %k5,%zmm6"); + + /* AVX-512: Op code 0f 38 29 */ + + asm volatile("vpcmpeqq %ymm4,%ymm6,%ymm2"); + asm volatile("vpmovb2m %zmm6,%k5"); + asm volatile("vpmovw2m %zmm6,%k5"); + + /* AVX-512: Op code 0f 38 2a */ + + asm volatile("vmovntdqa (%ecx),%ymm4"); + asm volatile("vpbroadcastmb2q %k6,%zmm1"); + + /* AVX-512: Op code 0f 38 2c */ + + asm volatile("vmaskmovps (%ecx),%ymm4,%ymm6"); + asm volatile("vscalefps %zmm4,%zmm5,%zmm6"); + asm volatile("vscalefpd %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 2d */ + + asm volatile("vmaskmovpd (%ecx),%ymm4,%ymm6"); + asm volatile("vscalefss %xmm4,%xmm5,%xmm6{%k7}"); + asm volatile("vscalefsd %xmm4,%xmm5,%xmm6{%k7}"); + + /* AVX-512: Op code 0f 38 30 */ + + asm volatile("vpmovzxbw %xmm4,%ymm4"); + asm volatile("vpmovwb %zmm5,%ymm6{%k7}"); + + /* AVX-512: Op code 0f 38 31 */ + + asm volatile("vpmovzxbd %xmm4,%ymm6"); + asm volatile("vpmovdb %zmm5,%xmm6{%k7}"); + + /* AVX-512: Op code 0f 38 32 */ + + asm volatile("vpmovzxbq %xmm4,%ymm4"); + asm volatile("vpmovqb %zmm5,%xmm6{%k7}"); + + /* AVX-512: Op code 0f 38 33 */ + + asm volatile("vpmovzxwd %xmm4,%ymm4"); + asm volatile("vpmovdw %zmm5,%ymm6{%k7}"); + + /* AVX-512: Op code 0f 38 34 */ + + asm volatile("vpmovzxwq %xmm4,%ymm6"); + asm volatile("vpmovqw %zmm5,%xmm6{%k7}"); + + /* AVX-512: Op code 0f 38 35 */ + + asm volatile("vpmovzxdq %xmm4,%ymm4"); + asm volatile("vpmovqd %zmm5,%ymm6{%k7}"); + + /* AVX-512: Op code 0f 38 36 */ + + asm volatile("vpermd %ymm4,%ymm6,%ymm2"); + asm volatile("vpermd %ymm4,%ymm6,%ymm2{%k7}"); + asm volatile("vpermq %ymm4,%ymm6,%ymm2{%k7}"); + + /* AVX-512: Op code 0f 38 38 */ + + asm volatile("vpminsb %ymm4,%ymm6,%ymm2"); + asm volatile("vpmovm2d %k5,%zmm6"); + asm volatile("vpmovm2q %k5,%zmm6"); + + /* AVX-512: Op code 0f 38 39 */ + + asm volatile("vpminsd %xmm1,%xmm2,%xmm3"); + asm volatile("vpminsd %zmm4,%zmm5,%zmm6"); + asm volatile("vpminsq %zmm4,%zmm5,%zmm6"); + asm volatile("vpmovd2m %zmm6,%k5"); + asm volatile("vpmovq2m %zmm6,%k5"); + + /* AVX-512: Op code 0f 38 3a */ + + asm volatile("vpminuw %ymm4,%ymm6,%ymm2"); + asm volatile("vpbroadcastmw2d %k6,%zmm6"); + + /* AVX-512: Op code 0f 38 3b */ + + asm volatile("vpminud %ymm4,%ymm6,%ymm2"); + asm volatile("vpminud %zmm4,%zmm5,%zmm6"); + asm volatile("vpminuq %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 3d */ + + asm volatile("vpmaxsd %ymm4,%ymm6,%ymm2"); + asm volatile("vpmaxsd %zmm4,%zmm5,%zmm6"); + asm volatile("vpmaxsq %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 3f */ + + asm volatile("vpmaxud %ymm4,%ymm6,%ymm2"); + asm volatile("vpmaxud %zmm4,%zmm5,%zmm6"); + asm volatile("vpmaxuq %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 40 */ + + asm volatile("vpmulld %ymm4,%ymm6,%ymm2"); + asm volatile("vpmulld %zmm4,%zmm5,%zmm6"); + asm volatile("vpmullq %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 42 */ + + asm volatile("vgetexpps %zmm5,%zmm6"); + asm volatile("vgetexppd %zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 43 */ + + asm volatile("vgetexpss %xmm4,%xmm5,%xmm6{%k7}"); + asm volatile("vgetexpsd %xmm2,%xmm3,%xmm4{%k7}"); + + /* AVX-512: Op code 0f 38 44 */ + + asm volatile("vplzcntd %zmm5,%zmm6"); + asm volatile("vplzcntq %zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 46 */ + + asm volatile("vpsravd %ymm4,%ymm6,%ymm2"); + asm volatile("vpsravd %zmm4,%zmm5,%zmm6"); + asm volatile("vpsravq %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 4c */ + + asm volatile("vrcp14ps %zmm5,%zmm6"); + asm volatile("vrcp14pd %zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 4d */ + + asm volatile("vrcp14ss %xmm4,%xmm5,%xmm6{%k7}"); + asm volatile("vrcp14sd %xmm4,%xmm5,%xmm6{%k7}"); + + /* AVX-512: Op code 0f 38 4e */ + + asm volatile("vrsqrt14ps %zmm5,%zmm6"); + asm volatile("vrsqrt14pd %zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 4f */ + + asm volatile("vrsqrt14ss %xmm4,%xmm5,%xmm6{%k7}"); + asm volatile("vrsqrt14sd %xmm4,%xmm5,%xmm6{%k7}"); + + /* AVX-512: Op code 0f 38 59 */ + + asm volatile("vpbroadcastq %xmm4,%xmm6"); + asm volatile("vbroadcasti32x2 %xmm7,%zmm6"); + + /* AVX-512: Op code 0f 38 5a */ + + asm volatile("vbroadcasti128 (%ecx),%ymm4"); + asm volatile("vbroadcasti32x4 (%ecx),%zmm6"); + asm volatile("vbroadcasti64x2 (%ecx),%zmm6"); + + /* AVX-512: Op code 0f 38 5b */ + + asm volatile("vbroadcasti32x8 (%ecx),%zmm6"); + asm volatile("vbroadcasti64x4 (%ecx),%zmm6"); + + /* AVX-512: Op code 0f 38 64 */ + + asm volatile("vpblendmd %zmm4,%zmm5,%zmm6"); + asm volatile("vpblendmq %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 65 */ + + asm volatile("vblendmps %zmm4,%zmm5,%zmm6"); + asm volatile("vblendmpd %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 66 */ + + asm volatile("vpblendmb %zmm4,%zmm5,%zmm6"); + asm volatile("vpblendmw %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 75 */ + + asm volatile("vpermi2b %zmm4,%zmm5,%zmm6"); + asm volatile("vpermi2w %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 76 */ + + asm volatile("vpermi2d %zmm4,%zmm5,%zmm6"); + asm volatile("vpermi2q %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 77 */ + + asm volatile("vpermi2ps %zmm4,%zmm5,%zmm6"); + asm volatile("vpermi2pd %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 7a */ + + asm volatile("vpbroadcastb %eax,%xmm3"); + + /* AVX-512: Op code 0f 38 7b */ + + asm volatile("vpbroadcastw %eax,%xmm3"); + + /* AVX-512: Op code 0f 38 7c */ + + asm volatile("vpbroadcastd %eax,%xmm3"); + + /* AVX-512: Op code 0f 38 7d */ + + asm volatile("vpermt2b %zmm4,%zmm5,%zmm6"); + asm volatile("vpermt2w %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 7e */ + + asm volatile("vpermt2d %zmm4,%zmm5,%zmm6"); + asm volatile("vpermt2q %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 7f */ + + asm volatile("vpermt2ps %zmm4,%zmm5,%zmm6"); + asm volatile("vpermt2pd %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 83 */ + + asm volatile("vpmultishiftqb %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 88 */ + + asm volatile("vexpandps (%ecx),%zmm6"); + asm volatile("vexpandpd (%ecx),%zmm6"); + + /* AVX-512: Op code 0f 38 89 */ + + asm volatile("vpexpandd (%ecx),%zmm6"); + asm volatile("vpexpandq (%ecx),%zmm6"); + + /* AVX-512: Op code 0f 38 8a */ + + asm volatile("vcompressps %zmm6,(%ecx)"); + asm volatile("vcompresspd %zmm6,(%ecx)"); + + /* AVX-512: Op code 0f 38 8b */ + + asm volatile("vpcompressd %zmm6,(%ecx)"); + asm volatile("vpcompressq %zmm6,(%ecx)"); + + /* AVX-512: Op code 0f 38 8d */ + + asm volatile("vpermb %zmm4,%zmm5,%zmm6"); + asm volatile("vpermw %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 90 */ + + asm volatile("vpgatherdd %xmm2,0x02(%ebp,%xmm7,2),%xmm1"); + asm volatile("vpgatherdq %xmm2,0x04(%ebp,%xmm7,2),%xmm1"); + asm volatile("vpgatherdd 0x7b(%ebp,%zmm7,8),%zmm6{%k1}"); + asm volatile("vpgatherdq 0x7b(%ebp,%ymm7,8),%zmm6{%k1}"); + + /* AVX-512: Op code 0f 38 91 */ + + asm volatile("vpgatherqd %xmm2,0x02(%ebp,%xmm7,2),%xmm1"); + asm volatile("vpgatherqq %xmm2,0x02(%ebp,%xmm7,2),%xmm1"); + asm volatile("vpgatherqd 0x7b(%ebp,%zmm7,8),%ymm6{%k1}"); + asm volatile("vpgatherqq 0x7b(%ebp,%zmm7,8),%zmm6{%k1}"); + + /* AVX-512: Op code 0f 38 a0 */ + + asm volatile("vpscatterdd %zmm6,0x7b(%ebp,%zmm7,8){%k1}"); + asm volatile("vpscatterdq %zmm6,0x7b(%ebp,%ymm7,8){%k1}"); + + /* AVX-512: Op code 0f 38 a1 */ + + asm volatile("vpscatterqd %ymm6,0x7b(%ebp,%zmm7,8){%k1}"); + asm volatile("vpscatterqq %ymm6,0x7b(%ebp,%ymm7,8){%k1}"); + + /* AVX-512: Op code 0f 38 a2 */ + + asm volatile("vscatterdps %zmm6,0x7b(%ebp,%zmm7,8){%k1}"); + asm volatile("vscatterdpd %zmm6,0x7b(%ebp,%ymm7,8){%k1}"); + + /* AVX-512: Op code 0f 38 a3 */ + + asm volatile("vscatterqps %ymm6,0x7b(%ebp,%zmm7,8){%k1}"); + asm volatile("vscatterqpd %zmm6,0x7b(%ebp,%zmm7,8){%k1}"); + + /* AVX-512: Op code 0f 38 b4 */ + + asm volatile("vpmadd52luq %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 b5 */ + + asm volatile("vpmadd52huq %zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 c4 */ + + asm volatile("vpconflictd %zmm5,%zmm6"); + asm volatile("vpconflictq %zmm5,%zmm6"); + + /* AVX-512: Op code 0f 38 c8 */ + + asm volatile("vexp2ps %zmm6,%zmm7"); + asm volatile("vexp2pd %zmm6,%zmm7"); + + /* AVX-512: Op code 0f 38 ca */ + + asm volatile("vrcp28ps %zmm6,%zmm7"); + asm volatile("vrcp28pd %zmm6,%zmm7"); + + /* AVX-512: Op code 0f 38 cb */ + + asm volatile("vrcp28ss %xmm5,%xmm6,%xmm7{%k7}"); + asm volatile("vrcp28sd %xmm5,%xmm6,%xmm7{%k7}"); + + /* AVX-512: Op code 0f 38 cc */ + + asm volatile("vrsqrt28ps %zmm6,%zmm7"); + asm volatile("vrsqrt28pd %zmm6,%zmm7"); + + /* AVX-512: Op code 0f 38 cd */ + + asm volatile("vrsqrt28ss %xmm5,%xmm6,%xmm7{%k7}"); + asm volatile("vrsqrt28sd %xmm5,%xmm6,%xmm7{%k7}"); + + /* AVX-512: Op code 0f 3a 03 */ + + asm volatile("valignd $0x12,%zmm5,%zmm6,%zmm7"); + asm volatile("valignq $0x12,%zmm5,%zmm6,%zmm7"); + + /* AVX-512: Op code 0f 3a 08 */ + + asm volatile("vroundps $0x5,%ymm6,%ymm2"); + asm volatile("vrndscaleps $0x12,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 3a 09 */ + + asm volatile("vroundpd $0x5,%ymm6,%ymm2"); + asm volatile("vrndscalepd $0x12,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 3a 0a */ + + asm volatile("vroundss $0x5,%xmm4,%xmm6,%xmm2"); + asm volatile("vrndscaless $0x12,%xmm4,%xmm5,%xmm6{%k7}"); + + /* AVX-512: Op code 0f 3a 0b */ + + asm volatile("vroundsd $0x5,%xmm4,%xmm6,%xmm2"); + asm volatile("vrndscalesd $0x12,%xmm4,%xmm5,%xmm6{%k7}"); + + /* AVX-512: Op code 0f 3a 18 */ + + asm volatile("vinsertf128 $0x5,%xmm4,%ymm4,%ymm6"); + asm volatile("vinsertf32x4 $0x12,%xmm4,%zmm5,%zmm6{%k7}"); + asm volatile("vinsertf64x2 $0x12,%xmm4,%zmm5,%zmm6{%k7}"); + + /* AVX-512: Op code 0f 3a 19 */ + + asm volatile("vextractf128 $0x5,%ymm4,%xmm4"); + asm volatile("vextractf32x4 $0x12,%zmm5,%xmm6{%k7}"); + asm volatile("vextractf64x2 $0x12,%zmm5,%xmm6{%k7}"); + + /* AVX-512: Op code 0f 3a 1a */ + + asm volatile("vinsertf32x8 $0x12,%ymm5,%zmm6,%zmm7{%k7}"); + asm volatile("vinsertf64x4 $0x12,%ymm5,%zmm6,%zmm7{%k7}"); + + /* AVX-512: Op code 0f 3a 1b */ + + asm volatile("vextractf32x8 $0x12,%zmm6,%ymm7{%k7}"); + asm volatile("vextractf64x4 $0x12,%zmm6,%ymm7{%k7}"); + + /* AVX-512: Op code 0f 3a 1e */ + + asm volatile("vpcmpud $0x12,%zmm6,%zmm7,%k5"); + asm volatile("vpcmpuq $0x12,%zmm6,%zmm7,%k5"); + + /* AVX-512: Op code 0f 3a 1f */ + + asm volatile("vpcmpd $0x12,%zmm6,%zmm7,%k5"); + asm volatile("vpcmpq $0x12,%zmm6,%zmm7,%k5"); + + /* AVX-512: Op code 0f 3a 23 */ + + asm volatile("vshuff32x4 $0x12,%zmm5,%zmm6,%zmm7"); + asm volatile("vshuff64x2 $0x12,%zmm5,%zmm6,%zmm7"); + + /* AVX-512: Op code 0f 3a 25 */ + + asm volatile("vpternlogd $0x12,%zmm5,%zmm6,%zmm7"); + asm volatile("vpternlogq $0x12,%zmm5,%zmm6,%zmm7"); + + /* AVX-512: Op code 0f 3a 26 */ + + asm volatile("vgetmantps $0x12,%zmm6,%zmm7"); + asm volatile("vgetmantpd $0x12,%zmm6,%zmm7"); + + /* AVX-512: Op code 0f 3a 27 */ + + asm volatile("vgetmantss $0x12,%xmm5,%xmm6,%xmm7{%k7}"); + asm volatile("vgetmantsd $0x12,%xmm5,%xmm6,%xmm7{%k7}"); + + /* AVX-512: Op code 0f 3a 38 */ + + asm volatile("vinserti128 $0x5,%xmm4,%ymm4,%ymm6"); + asm volatile("vinserti32x4 $0x12,%xmm4,%zmm5,%zmm6{%k7}"); + asm volatile("vinserti64x2 $0x12,%xmm4,%zmm5,%zmm6{%k7}"); + + /* AVX-512: Op code 0f 3a 39 */ + + asm volatile("vextracti128 $0x5,%ymm4,%xmm6"); + asm volatile("vextracti32x4 $0x12,%zmm5,%xmm6{%k7}"); + asm volatile("vextracti64x2 $0x12,%zmm5,%xmm6{%k7}"); + + /* AVX-512: Op code 0f 3a 3a */ + + asm volatile("vinserti32x8 $0x12,%ymm5,%zmm6,%zmm7{%k7}"); + asm volatile("vinserti64x4 $0x12,%ymm5,%zmm6,%zmm7{%k7}"); + + /* AVX-512: Op code 0f 3a 3b */ + + asm volatile("vextracti32x8 $0x12,%zmm6,%ymm7{%k7}"); + asm volatile("vextracti64x4 $0x12,%zmm6,%ymm7{%k7}"); + + /* AVX-512: Op code 0f 3a 3e */ + + asm volatile("vpcmpub $0x12,%zmm6,%zmm7,%k5"); + asm volatile("vpcmpuw $0x12,%zmm6,%zmm7,%k5"); + + /* AVX-512: Op code 0f 3a 3f */ + + asm volatile("vpcmpb $0x12,%zmm6,%zmm7,%k5"); + asm volatile("vpcmpw $0x12,%zmm6,%zmm7,%k5"); + + /* AVX-512: Op code 0f 3a 42 */ + + asm volatile("vmpsadbw $0x5,%ymm4,%ymm6,%ymm2"); + asm volatile("vdbpsadbw $0x12,%zmm4,%zmm5,%zmm6"); + + /* AVX-512: Op code 0f 3a 43 */ + + asm volatile("vshufi32x4 $0x12,%zmm5,%zmm6,%zmm7"); + asm volatile("vshufi64x2 $0x12,%zmm5,%zmm6,%zmm7"); + + /* AVX-512: Op code 0f 3a 50 */ + + asm volatile("vrangeps $0x12,%zmm5,%zmm6,%zmm7"); + asm volatile("vrangepd $0x12,%zmm5,%zmm6,%zmm7"); + + /* AVX-512: Op code 0f 3a 51 */ + + asm volatile("vrangess $0x12,%xmm5,%xmm6,%xmm7"); + asm volatile("vrangesd $0x12,%xmm5,%xmm6,%xmm7"); + + /* AVX-512: Op code 0f 3a 54 */ + + asm volatile("vfixupimmps $0x12,%zmm5,%zmm6,%zmm7"); + asm volatile("vfixupimmpd $0x12,%zmm5,%zmm6,%zmm7"); + + /* AVX-512: Op code 0f 3a 55 */ + + asm volatile("vfixupimmss $0x12,%xmm5,%xmm6,%xmm7{%k7}"); + asm volatile("vfixupimmsd $0x12,%xmm5,%xmm6,%xmm7{%k7}"); + + /* AVX-512: Op code 0f 3a 56 */ + + asm volatile("vreduceps $0x12,%zmm6,%zmm7"); + asm volatile("vreducepd $0x12,%zmm6,%zmm7"); + + /* AVX-512: Op code 0f 3a 57 */ + + asm volatile("vreducess $0x12,%xmm5,%xmm6,%xmm7"); + asm volatile("vreducesd $0x12,%xmm5,%xmm6,%xmm7"); + + /* AVX-512: Op code 0f 3a 66 */ + + asm volatile("vfpclassps $0x12,%zmm7,%k5"); + asm volatile("vfpclasspd $0x12,%zmm7,%k5"); + + /* AVX-512: Op code 0f 3a 67 */ + + asm volatile("vfpclassss $0x12,%xmm7,%k5"); + asm volatile("vfpclasssd $0x12,%xmm7,%k5"); + + /* AVX-512: Op code 0f 72 (Grp13) */ + + asm volatile("vprord $0x12,%zmm5,%zmm6"); + asm volatile("vprorq $0x12,%zmm5,%zmm6"); + asm volatile("vprold $0x12,%zmm5,%zmm6"); + asm volatile("vprolq $0x12,%zmm5,%zmm6"); + asm volatile("psrad $0x2,%mm6"); + asm volatile("vpsrad $0x5,%ymm6,%ymm2"); + asm volatile("vpsrad $0x5,%zmm6,%zmm2"); + asm volatile("vpsraq $0x5,%zmm6,%zmm2"); + + /* AVX-512: Op code 0f 38 c6 (Grp18) */ + + asm volatile("vgatherpf0dps 0x7b(%ebp,%zmm7,8){%k1}"); + asm volatile("vgatherpf0dpd 0x7b(%ebp,%ymm7,8){%k1}"); + asm volatile("vgatherpf1dps 0x7b(%ebp,%zmm7,8){%k1}"); + asm volatile("vgatherpf1dpd 0x7b(%ebp,%ymm7,8){%k1}"); + asm volatile("vscatterpf0dps 0x7b(%ebp,%zmm7,8){%k1}"); + asm volatile("vscatterpf0dpd 0x7b(%ebp,%ymm7,8){%k1}"); + asm volatile("vscatterpf1dps 0x7b(%ebp,%zmm7,8){%k1}"); + asm volatile("vscatterpf1dpd 0x7b(%ebp,%ymm7,8){%k1}"); + + /* AVX-512: Op code 0f 38 c7 (Grp19) */ + + asm volatile("vgatherpf0qps 0x7b(%ebp,%zmm7,8){%k1}"); + asm volatile("vgatherpf0qpd 0x7b(%ebp,%zmm7,8){%k1}"); + asm volatile("vgatherpf1qps 0x7b(%ebp,%zmm7,8){%k1}"); + asm volatile("vgatherpf1qpd 0x7b(%ebp,%zmm7,8){%k1}"); + asm volatile("vscatterpf0qps 0x7b(%ebp,%zmm7,8){%k1}"); + asm volatile("vscatterpf0qpd 0x7b(%ebp,%zmm7,8){%k1}"); + asm volatile("vscatterpf1qps 0x7b(%ebp,%zmm7,8){%k1}"); + asm volatile("vscatterpf1qpd 0x7b(%ebp,%zmm7,8){%k1}"); + + /* AVX-512: Examples */ + + asm volatile("vaddpd %zmm4,%zmm5,%zmm6"); + asm volatile("vaddpd %zmm4,%zmm5,%zmm6{%k7}"); + asm volatile("vaddpd %zmm4,%zmm5,%zmm6{%k7}{z}"); + asm volatile("vaddpd {rn-sae},%zmm4,%zmm5,%zmm6"); + asm volatile("vaddpd {ru-sae},%zmm4,%zmm5,%zmm6"); + asm volatile("vaddpd {rd-sae},%zmm4,%zmm5,%zmm6"); + asm volatile("vaddpd {rz-sae},%zmm4,%zmm5,%zmm6"); + asm volatile("vaddpd (%ecx),%zmm5,%zmm6"); + asm volatile("vaddpd 0x123(%eax,%ecx,8),%zmm5,%zmm6"); + asm volatile("vaddpd (%ecx){1to8},%zmm5,%zmm6"); + asm volatile("vaddpd 0x1fc0(%edx),%zmm5,%zmm6"); + asm volatile("vaddpd 0x3f8(%edx){1to8},%zmm5,%zmm6"); + asm volatile("vcmpeq_uqps 0x1fc(%edx){1to16},%zmm6,%k5"); + asm volatile("vcmpltsd 0x123(%eax,%ecx,8),%xmm3,%k5{%k7}"); + asm volatile("vcmplesd {sae},%xmm4,%xmm5,%k5{%k7}"); + asm volatile("vgetmantss $0x5b,0x123(%eax,%ecx,8),%xmm4,%xmm5{%k7}"); + /* bndmk m32, bnd */ asm volatile("bndmk (%eax), %bnd0"); diff --git a/tools/perf/arch/x86/tests/perf-time-to-tsc.c b/tools/perf/arch/x86/tests/perf-time-to-tsc.c index d4aa567a29c4..5c76cc83186a 100644 --- a/tools/perf/arch/x86/tests/perf-time-to-tsc.c +++ b/tools/perf/arch/x86/tests/perf-time-to-tsc.c @@ -154,10 +154,6 @@ next_event: err = 0; out_err: - if (evlist) { - perf_evlist__disable(evlist); - perf_evlist__delete(evlist); - } - + perf_evlist__delete(evlist); return err; } diff --git a/tools/perf/arch/x86/tests/rdpmc.c b/tools/perf/arch/x86/tests/rdpmc.c index 72193f19d6d7..500cf96db979 100644 --- a/tools/perf/arch/x86/tests/rdpmc.c +++ b/tools/perf/arch/x86/tests/rdpmc.c @@ -1,12 +1,16 @@ +#include <errno.h> #include <unistd.h> #include <stdlib.h> #include <signal.h> #include <sys/mman.h> +#include <sys/types.h> +#include <sys/wait.h> #include <linux/types.h> #include "perf.h" #include "debug.h" #include "tests/tests.h" #include "cloexec.h" +#include "util.h" #include "arch-tests.h" static u64 rdpmc(unsigned int counter) @@ -111,14 +115,14 @@ static int __test__rdpmc(void) if (fd < 0) { pr_err("Error: sys_perf_event_open() syscall returned " "with %d (%s)\n", fd, - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); return -1; } addr = mmap(NULL, page_size, PROT_READ, MAP_SHARED, fd, 0); if (addr == (void *)(-1)) { pr_err("Error: mmap() syscall returned with (%s)\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out_close; } diff --git a/tools/perf/arch/x86/util/Build b/tools/perf/arch/x86/util/Build index 465970370f3e..f95e6f46ef0d 100644 --- a/tools/perf/arch/x86/util/Build +++ b/tools/perf/arch/x86/util/Build @@ -3,11 +3,12 @@ libperf-y += tsc.o libperf-y += pmu.o libperf-y += kvm-stat.o libperf-y += perf_regs.o +libperf-y += group.o libperf-$(CONFIG_DWARF) += dwarf-regs.o libperf-$(CONFIG_BPF_PROLOGUE) += dwarf-regs.o -libperf-$(CONFIG_LIBUNWIND) += unwind-libunwind.o +libperf-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind.o libperf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o libperf-$(CONFIG_AUXTRACE) += auxtrace.o diff --git a/tools/perf/arch/x86/util/auxtrace.c b/tools/perf/arch/x86/util/auxtrace.c index 7a7805583e3f..cc1d865e31f1 100644 --- a/tools/perf/arch/x86/util/auxtrace.c +++ b/tools/perf/arch/x86/util/auxtrace.c @@ -37,7 +37,7 @@ struct auxtrace_record *auxtrace_record__init_intel(struct perf_evlist *evlist, intel_bts_pmu = perf_pmu__find(INTEL_BTS_PMU_NAME); if (evlist) { - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (intel_pt_pmu && evsel->attr.type == intel_pt_pmu->type) found_pt = true; diff --git a/tools/perf/arch/x86/util/group.c b/tools/perf/arch/x86/util/group.c new file mode 100644 index 000000000000..37f92aa39a5d --- /dev/null +++ b/tools/perf/arch/x86/util/group.c @@ -0,0 +1,27 @@ +#include <stdio.h> +#include "api/fs/fs.h" +#include "util/group.h" + +/* + * Check whether we can use a group for top down. + * Without a group may get bad results due to multiplexing. + */ +bool arch_topdown_check_group(bool *warn) +{ + int n; + + if (sysctl__read_int("kernel/nmi_watchdog", &n) < 0) + return false; + if (n > 0) { + *warn = true; + return false; + } + return true; +} + +void arch_topdown_group_warn(void) +{ + fprintf(stderr, + "nmi_watchdog enabled with topdown. May give wrong results.\n" + "Disable with echo 0 > /proc/sys/kernel/nmi_watchdog\n"); +} diff --git a/tools/perf/arch/x86/util/intel-bts.c b/tools/perf/arch/x86/util/intel-bts.c index 7dc30637cf66..5132775a044f 100644 --- a/tools/perf/arch/x86/util/intel-bts.c +++ b/tools/perf/arch/x86/util/intel-bts.c @@ -124,7 +124,7 @@ static int intel_bts_recording_options(struct auxtrace_record *itr, btsr->evlist = evlist; btsr->snapshot_mode = opts->auxtrace_snapshot_mode; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (evsel->attr.type == intel_bts_pmu->type) { if (intel_bts_evsel) { pr_err("There may be only one " INTEL_BTS_PMU_NAME " event\n"); @@ -327,7 +327,7 @@ static int intel_bts_snapshot_start(struct auxtrace_record *itr) container_of(itr, struct intel_bts_recording, itr); struct perf_evsel *evsel; - evlist__for_each(btsr->evlist, evsel) { + evlist__for_each_entry(btsr->evlist, evsel) { if (evsel->attr.type == btsr->intel_bts_pmu->type) return perf_evsel__disable(evsel); } @@ -340,7 +340,7 @@ static int intel_bts_snapshot_finish(struct auxtrace_record *itr) container_of(itr, struct intel_bts_recording, itr); struct perf_evsel *evsel; - evlist__for_each(btsr->evlist, evsel) { + evlist__for_each_entry(btsr->evlist, evsel) { if (evsel->attr.type == btsr->intel_bts_pmu->type) return perf_evsel__enable(evsel); } @@ -422,7 +422,7 @@ static int intel_bts_read_finish(struct auxtrace_record *itr, int idx) container_of(itr, struct intel_bts_recording, itr); struct perf_evsel *evsel; - evlist__for_each(btsr->evlist, evsel) { + evlist__for_each_entry(btsr->evlist, evsel) { if (evsel->attr.type == btsr->intel_bts_pmu->type) return perf_evlist__enable_event_idx(btsr->evlist, evsel, idx); diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c index a07b9605e93b..fb51457ba338 100644 --- a/tools/perf/arch/x86/util/intel-pt.c +++ b/tools/perf/arch/x86/util/intel-pt.c @@ -131,7 +131,7 @@ static int intel_pt_read_config(struct perf_pmu *intel_pt_pmu, const char *str, if (!mask) return -EINVAL; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (evsel->attr.type == intel_pt_pmu->type) { *res = intel_pt_masked_bits(mask, evsel->attr.config); return 0; @@ -511,7 +511,7 @@ static int intel_pt_recording_options(struct auxtrace_record *itr, ptr->evlist = evlist; ptr->snapshot_mode = opts->auxtrace_snapshot_mode; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (evsel->attr.type == intel_pt_pmu->type) { if (intel_pt_evsel) { pr_err("There may be only one " INTEL_PT_PMU_NAME " event\n"); @@ -725,7 +725,7 @@ static int intel_pt_snapshot_start(struct auxtrace_record *itr) container_of(itr, struct intel_pt_recording, itr); struct perf_evsel *evsel; - evlist__for_each(ptr->evlist, evsel) { + evlist__for_each_entry(ptr->evlist, evsel) { if (evsel->attr.type == ptr->intel_pt_pmu->type) return perf_evsel__disable(evsel); } @@ -738,7 +738,7 @@ static int intel_pt_snapshot_finish(struct auxtrace_record *itr) container_of(itr, struct intel_pt_recording, itr); struct perf_evsel *evsel; - evlist__for_each(ptr->evlist, evsel) { + evlist__for_each_entry(ptr->evlist, evsel) { if (evsel->attr.type == ptr->intel_pt_pmu->type) return perf_evsel__enable(evsel); } @@ -1011,7 +1011,7 @@ static int intel_pt_read_finish(struct auxtrace_record *itr, int idx) container_of(itr, struct intel_pt_recording, itr); struct perf_evsel *evsel; - evlist__for_each(ptr->evlist, evsel) { + evlist__for_each_entry(ptr->evlist, evsel) { if (evsel->attr.type == ptr->intel_pt_pmu->type) return perf_evlist__enable_event_idx(ptr->evlist, evsel, idx); diff --git a/tools/perf/arch/x86/util/tsc.c b/tools/perf/arch/x86/util/tsc.c index 357f1b13b5ae..2e5567c94e09 100644 --- a/tools/perf/arch/x86/util/tsc.c +++ b/tools/perf/arch/x86/util/tsc.c @@ -62,6 +62,8 @@ int perf_event__synth_time_conv(const struct perf_event_mmap_page *pc, struct perf_tsc_conversion tc; int err; + if (!pc) + return 0; err = perf_read_tsc_conversion(pc, &tc); if (err == -EOPNOTSUPP) return 0; diff --git a/tools/perf/arch/x86/util/unwind-libunwind.c b/tools/perf/arch/x86/util/unwind-libunwind.c index db25e93d989c..4f16661cbdbb 100644 --- a/tools/perf/arch/x86/util/unwind-libunwind.c +++ b/tools/perf/arch/x86/util/unwind-libunwind.c @@ -1,12 +1,14 @@ +#ifndef REMOTE_UNWIND_LIBUNWIND #include <errno.h> #include <libunwind.h> #include "perf_regs.h" #include "../../util/unwind.h" #include "../../util/debug.h" +#endif #ifdef HAVE_ARCH_X86_64_SUPPORT -int libunwind__arch_reg_id(int regnum) +int LIBUNWIND__ARCH_REG_ID(int regnum) { int id; @@ -70,7 +72,7 @@ int libunwind__arch_reg_id(int regnum) return id; } #else -int libunwind__arch_reg_id(int regnum) +int LIBUNWIND__ARCH_REG_ID(int regnum) { int id; diff --git a/tools/perf/bench/futex-hash.c b/tools/perf/bench/futex-hash.c index 0999ac536d86..8024cd5febd2 100644 --- a/tools/perf/bench/futex-hash.c +++ b/tools/perf/bench/futex-hash.c @@ -8,18 +8,23 @@ * many threads and futexes as possible. */ -#include "../perf.h" -#include "../util/util.h" +/* For the CLR_() macros */ +#include <pthread.h> + +#include <errno.h> +#include <signal.h> +#include <stdlib.h> +#include <linux/compiler.h> +#include <linux/kernel.h> +#include <sys/time.h> + #include "../util/stat.h" #include <subcmd/parse-options.h> -#include "../util/header.h" #include "bench.h" #include "futex.h" #include <err.h> -#include <stdlib.h> #include <sys/time.h> -#include <pthread.h> static unsigned int nthreads = 0; static unsigned int nsecs = 10; diff --git a/tools/perf/bench/futex-lock-pi.c b/tools/perf/bench/futex-lock-pi.c index 6952db65508a..936d89d30483 100644 --- a/tools/perf/bench/futex-lock-pi.c +++ b/tools/perf/bench/futex-lock-pi.c @@ -2,18 +2,21 @@ * Copyright (C) 2015 Davidlohr Bueso. */ -#include "../perf.h" -#include "../util/util.h" +/* For the CLR_() macros */ +#include <pthread.h> + +#include <signal.h> #include "../util/stat.h" #include <subcmd/parse-options.h> -#include "../util/header.h" +#include <linux/compiler.h> +#include <linux/kernel.h> +#include <errno.h> #include "bench.h" #include "futex.h" #include <err.h> #include <stdlib.h> #include <sys/time.h> -#include <pthread.h> struct worker { int tid; diff --git a/tools/perf/bench/futex-requeue.c b/tools/perf/bench/futex-requeue.c index 718238683013..f96e22ed9f87 100644 --- a/tools/perf/bench/futex-requeue.c +++ b/tools/perf/bench/futex-requeue.c @@ -8,18 +8,21 @@ * requeues without waking up any tasks -- thus mimicking a regular futex_wait. */ -#include "../perf.h" -#include "../util/util.h" +/* For the CLR_() macros */ +#include <pthread.h> + +#include <signal.h> #include "../util/stat.h" #include <subcmd/parse-options.h> -#include "../util/header.h" +#include <linux/compiler.h> +#include <linux/kernel.h> +#include <errno.h> #include "bench.h" #include "futex.h" #include <err.h> #include <stdlib.h> #include <sys/time.h> -#include <pthread.h> static u_int32_t futex1 = 0, futex2 = 0; diff --git a/tools/perf/bench/futex-wake-parallel.c b/tools/perf/bench/futex-wake-parallel.c index 91aaf2a1fa90..4a2ecd7438ca 100644 --- a/tools/perf/bench/futex-wake-parallel.c +++ b/tools/perf/bench/futex-wake-parallel.c @@ -7,18 +7,21 @@ * it can be used to measure futex_wake() changes. */ -#include "../perf.h" -#include "../util/util.h" +/* For the CLR_() macros */ +#include <pthread.h> + +#include <signal.h> #include "../util/stat.h" #include <subcmd/parse-options.h> -#include "../util/header.h" +#include <linux/compiler.h> +#include <linux/kernel.h> +#include <errno.h> #include "bench.h" #include "futex.h" #include <err.h> #include <stdlib.h> #include <sys/time.h> -#include <pthread.h> struct thread_data { pthread_t worker; diff --git a/tools/perf/bench/futex-wake.c b/tools/perf/bench/futex-wake.c index f416bd705f66..87d8f4f292d9 100644 --- a/tools/perf/bench/futex-wake.c +++ b/tools/perf/bench/futex-wake.c @@ -8,18 +8,21 @@ * one or more tasks, and thus the waitqueue is never empty. */ -#include "../perf.h" -#include "../util/util.h" +/* For the CLR_() macros */ +#include <pthread.h> + +#include <signal.h> #include "../util/stat.h" #include <subcmd/parse-options.h> -#include "../util/header.h" +#include <linux/compiler.h> +#include <linux/kernel.h> +#include <errno.h> #include "bench.h" #include "futex.h" #include <err.h> #include <stdlib.h> #include <sys/time.h> -#include <pthread.h> /* all threads will block on the same futex */ static u_int32_t futex1 = 0; diff --git a/tools/perf/bench/mem-memcpy-x86-64-asm.S b/tools/perf/bench/mem-memcpy-x86-64-asm.S index 5c3cce082cb8..f700369bb0f6 100644 --- a/tools/perf/bench/mem-memcpy-x86-64-asm.S +++ b/tools/perf/bench/mem-memcpy-x86-64-asm.S @@ -6,7 +6,7 @@ #define globl p2align 4; .globl #define _ASM_EXTABLE_FAULT(x, y) -#include "../../../arch/x86/lib/memcpy_64.S" +#include "../../arch/x86/lib/memcpy_64.S" /* * We need to provide note.GNU-stack section, saying that we want * NOT executable stack. Otherwise the final linking will assume that diff --git a/tools/perf/bench/mem-memset-x86-64-asm.S b/tools/perf/bench/mem-memset-x86-64-asm.S index de278784c866..58407aa24c1b 100644 --- a/tools/perf/bench/mem-memset-x86-64-asm.S +++ b/tools/perf/bench/mem-memset-x86-64-asm.S @@ -1,7 +1,7 @@ #define memset MEMSET /* don't hide glibc's memset() */ #define altinstr_replacement text #define globl p2align 4; .globl -#include "../../../arch/x86/lib/memset_64.S" +#include "../../arch/x86/lib/memset_64.S" /* * We need to provide note.GNU-stack section, saying that we want diff --git a/tools/perf/bench/numa.c b/tools/perf/bench/numa.c index 7500d959d7eb..f7f530081aa9 100644 --- a/tools/perf/bench/numa.c +++ b/tools/perf/bench/numa.c @@ -4,6 +4,9 @@ * numa: Simulate NUMA-sensitive workload and measure their NUMA performance */ +/* For the CLR_() macros */ +#include <pthread.h> + #include "../perf.h" #include "../builtin.h" #include "../util/util.h" @@ -21,7 +24,6 @@ #include <stdlib.h> #include <string.h> #include <unistd.h> -#include <pthread.h> #include <sys/mman.h> #include <sys/time.h> #include <sys/resource.h> diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 25c81734a950..9c1034d81b4f 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -75,7 +75,7 @@ static int perf_evsel__add_sample(struct perf_evsel *evsel, sample->period = 1; sample->weight = 1; - he = __hists__add_entry(hists, al, NULL, NULL, NULL, sample, true); + he = hists__add_entry(hists, al, NULL, NULL, NULL, sample, true); if (he == NULL) return -ENOMEM; @@ -236,7 +236,7 @@ static int __cmd_annotate(struct perf_annotate *ann) perf_session__fprintf_dsos(session, stdout); total_nr_samples = 0; - evlist__for_each(session->evlist, pos) { + evlist__for_each_entry(session->evlist, pos) { struct hists *hists = evsel__hists(pos); u32 nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE]; @@ -339,6 +339,9 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __maybe_unused) "Show event group information together"), OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, "Show a column with the sum of periods"), + OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode", + "'always' (default), 'never' or 'auto' only applicable to --stdio mode", + stdio__config_color, "always"), OPT_END() }; int ret = hists__init(); diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c index d75bded21fe0..30e2b2cb2421 100644 --- a/tools/perf/builtin-buildid-cache.c +++ b/tools/perf/builtin-buildid-cache.c @@ -209,7 +209,7 @@ static int build_id_cache__purge_path(const char *pathname) if (err) goto out; - strlist__for_each(pos, list) { + strlist__for_each_entry(pos, list) { err = build_id_cache__remove_s(pos->s); pr_debug("Removing %s %s: %s\n", pos->s, pathname, err ? "FAIL" : "Ok"); @@ -343,7 +343,7 @@ int cmd_buildid_cache(int argc, const char **argv, if (add_name_list_str) { list = strlist__new(add_name_list_str, NULL); if (list) { - strlist__for_each(pos, list) + strlist__for_each_entry(pos, list) if (build_id_cache__add_file(pos->s)) { if (errno == EEXIST) { pr_debug("%s already in the cache\n", @@ -351,7 +351,7 @@ int cmd_buildid_cache(int argc, const char **argv, continue; } pr_warning("Couldn't add %s: %s\n", - pos->s, strerror_r(errno, sbuf, sizeof(sbuf))); + pos->s, str_error_r(errno, sbuf, sizeof(sbuf))); } strlist__delete(list); @@ -361,7 +361,7 @@ int cmd_buildid_cache(int argc, const char **argv, if (remove_name_list_str) { list = strlist__new(remove_name_list_str, NULL); if (list) { - strlist__for_each(pos, list) + strlist__for_each_entry(pos, list) if (build_id_cache__remove_file(pos->s)) { if (errno == ENOENT) { pr_debug("%s wasn't in the cache\n", @@ -369,7 +369,7 @@ int cmd_buildid_cache(int argc, const char **argv, continue; } pr_warning("Couldn't remove %s: %s\n", - pos->s, strerror_r(errno, sbuf, sizeof(sbuf))); + pos->s, str_error_r(errno, sbuf, sizeof(sbuf))); } strlist__delete(list); @@ -379,7 +379,7 @@ int cmd_buildid_cache(int argc, const char **argv, if (purge_name_list_str) { list = strlist__new(purge_name_list_str, NULL); if (list) { - strlist__for_each(pos, list) + strlist__for_each_entry(pos, list) if (build_id_cache__purge_path(pos->s)) { if (errno == ENOENT) { pr_debug("%s wasn't in the cache\n", @@ -387,7 +387,7 @@ int cmd_buildid_cache(int argc, const char **argv, continue; } pr_warning("Couldn't remove %s: %s\n", - pos->s, strerror_r(errno, sbuf, sizeof(sbuf))); + pos->s, str_error_r(errno, sbuf, sizeof(sbuf))); } strlist__delete(list); @@ -400,7 +400,7 @@ int cmd_buildid_cache(int argc, const char **argv, if (update_name_list_str) { list = strlist__new(update_name_list_str, NULL); if (list) { - strlist__for_each(pos, list) + strlist__for_each_entry(pos, list) if (build_id_cache__update_file(pos->s)) { if (errno == ENOENT) { pr_debug("%s wasn't in the cache\n", @@ -408,7 +408,7 @@ int cmd_buildid_cache(int argc, const char **argv, continue; } pr_warning("Couldn't update %s: %s\n", - pos->s, strerror_r(errno, sbuf, sizeof(sbuf))); + pos->s, str_error_r(errno, sbuf, sizeof(sbuf))); } strlist__delete(list); @@ -419,8 +419,7 @@ int cmd_buildid_cache(int argc, const char **argv, pr_warning("Couldn't add %s\n", kcore_filename); out: - if (session) - perf_session__delete(session); + perf_session__delete(session); return ret; } diff --git a/tools/perf/builtin-config.c b/tools/perf/builtin-config.c index fe1b77fa21f9..e4207a23b52c 100644 --- a/tools/perf/builtin-config.c +++ b/tools/perf/builtin-config.c @@ -37,23 +37,16 @@ static int show_config(struct perf_config_set *set) { struct perf_config_section *section; struct perf_config_item *item; - struct list_head *sections; if (set == NULL) return -1; - sections = &set->sections; - if (list_empty(sections)) - return -1; - - list_for_each_entry(section, sections, node) { - list_for_each_entry(item, §ion->items, node) { - char *value = item->value; + perf_config_set__for_each_entry(set, section, item) { + char *value = item->value; - if (value) - printf("%s.%s=%s\n", section->name, - item->name, value); - } + if (value) + printf("%s.%s=%s\n", section->name, + item->name, value); } return 0; @@ -80,6 +73,10 @@ int cmd_config(int argc, const char **argv, const char *prefix __maybe_unused) else if (use_user_config) config_exclusive_filename = user_config; + /* + * At only 'config' sub-command, individually use the config set + * because of reinitializing with options config file location. + */ set = perf_config_set__new(); if (!set) { ret = -1; diff --git a/tools/perf/builtin-data.c b/tools/perf/builtin-data.c index b97bc1518b44..7ad6e17ac6b3 100644 --- a/tools/perf/builtin-data.c +++ b/tools/perf/builtin-data.c @@ -3,6 +3,7 @@ #include "perf.h" #include "debug.h" #include <subcmd/parse-options.h> +#include "data-convert.h" #include "data-convert-bt.h" typedef int (*data_cmd_fn_t)(int argc, const char **argv, const char *prefix); @@ -53,14 +54,18 @@ static int cmd_data_convert(int argc, const char **argv, const char *prefix __maybe_unused) { const char *to_ctf = NULL; - bool force = false; + struct perf_data_convert_opts opts = { + .force = false, + .all = false, + }; const struct option options[] = { OPT_INCR('v', "verbose", &verbose, "be more verbose"), OPT_STRING('i', "input", &input_name, "file", "input file name"), #ifdef HAVE_LIBBABELTRACE_SUPPORT OPT_STRING(0, "to-ctf", &to_ctf, NULL, "Convert to CTF format"), #endif - OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), + OPT_BOOLEAN('f', "force", &opts.force, "don't complain, do it"), + OPT_BOOLEAN(0, "all", &opts.all, "Convert all events"), OPT_END() }; @@ -78,7 +83,7 @@ static int cmd_data_convert(int argc, const char **argv, if (to_ctf) { #ifdef HAVE_LIBBABELTRACE_SUPPORT - return bt_convert__perf2ctf(input_name, to_ctf, force); + return bt_convert__perf2ctf(input_name, to_ctf, &opts); #else pr_err("The libbabeltrace support is not compiled in.\n"); return -1; diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index f7645a42708e..21ee753211ad 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -310,16 +310,6 @@ static int formula_fprintf(struct hist_entry *he, struct hist_entry *pair, return -1; } -static int hists__add_entry(struct hists *hists, - struct addr_location *al, - struct perf_sample *sample) -{ - if (__hists__add_entry(hists, al, NULL, NULL, NULL, - sample, true) != NULL) - return 0; - return -ENOMEM; -} - static int diff__process_sample_event(struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample, @@ -336,7 +326,7 @@ static int diff__process_sample_event(struct perf_tool *tool __maybe_unused, return -1; } - if (hists__add_entry(hists, &al, sample)) { + if (!hists__add_entry(hists, &al, NULL, NULL, NULL, sample, true)) { pr_warning("problem incrementing symbol period, skipping event\n"); goto out_put; } @@ -373,7 +363,7 @@ static struct perf_evsel *evsel_match(struct perf_evsel *evsel, { struct perf_evsel *e; - evlist__for_each(evlist, e) { + evlist__for_each_entry(evlist, e) { if (perf_evsel__match2(evsel, e)) return e; } @@ -385,7 +375,7 @@ static void perf_evlist__collapse_resort(struct perf_evlist *evlist) { struct perf_evsel *evsel; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { struct hists *hists = evsel__hists(evsel); hists__collapse_resort(hists, NULL); @@ -666,7 +656,8 @@ static void hists__process(struct hists *hists) hists__precompute(hists); hists__output_resort(hists, NULL); - hists__fprintf(hists, true, 0, 0, 0, stdout); + hists__fprintf(hists, true, 0, 0, 0, stdout, + symbol_conf.use_callchain); } static void data__fprintf(void) @@ -690,7 +681,7 @@ static void data_process(void) struct perf_evsel *evsel_base; bool first = true; - evlist__for_each(evlist_base, evsel_base) { + evlist__for_each_entry(evlist_base, evsel_base) { struct hists *hists_base = evsel__hists(evsel_base); struct data__file *d; int i; @@ -765,9 +756,7 @@ static int __cmd_diff(void) out_delete: data__for_each_file(i, d) { - if (d->session) - perf_session__delete(d->session); - + perf_session__delete(d->session); data__free(d); } @@ -1044,7 +1033,7 @@ static int hpp__entry_global(struct perf_hpp_fmt *_fmt, struct perf_hpp *hpp, } static int hpp__header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, - struct perf_evsel *evsel __maybe_unused) + struct hists *hists __maybe_unused) { struct diff_hpp_fmt *dfmt = container_of(fmt, struct diff_hpp_fmt, fmt); @@ -1055,7 +1044,7 @@ static int hpp__header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, static int hpp__width(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp __maybe_unused, - struct perf_evsel *evsel __maybe_unused) + struct hists *hists __maybe_unused) { struct diff_hpp_fmt *dfmt = container_of(fmt, struct diff_hpp_fmt, fmt); diff --git a/tools/perf/builtin-evlist.c b/tools/perf/builtin-evlist.c index 8a31f511e1a0..e09c4287fe87 100644 --- a/tools/perf/builtin-evlist.c +++ b/tools/perf/builtin-evlist.c @@ -32,7 +32,7 @@ static int __cmd_evlist(const char *file_name, struct perf_attr_details *details if (session == NULL) return -1; - evlist__for_each(session->evlist, pos) { + evlist__for_each_entry(session->evlist, pos) { perf_evsel__fprintf(pos, details, stdout); if (pos->attr.type == PERF_TYPE_TRACEPOINT) diff --git a/tools/perf/builtin-help.c b/tools/perf/builtin-help.c index f9830c902b78..3bdb2c78a21b 100644 --- a/tools/perf/builtin-help.c +++ b/tools/perf/builtin-help.c @@ -4,7 +4,7 @@ * Builtin help command */ #include "perf.h" -#include "util/cache.h" +#include "util/config.h" #include "builtin.h" #include <subcmd/exec-cmd.h> #include "common-cmds.h" @@ -117,7 +117,7 @@ static void exec_woman_emacs(const char *path, const char *page) free(man_page); } warning("failed to exec '%s': %s", path, - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); } } @@ -150,7 +150,7 @@ static void exec_man_konqueror(const char *path, const char *page) free(man_page); } warning("failed to exec '%s': %s", path, - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); } } @@ -162,7 +162,7 @@ static void exec_man_man(const char *path, const char *page) path = "man"; execlp(path, "man", page, NULL); warning("failed to exec '%s': %s", path, - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); } static void exec_man_cmd(const char *cmd, const char *page) @@ -175,7 +175,7 @@ static void exec_man_cmd(const char *cmd, const char *page) free(shell_cmd); } warning("failed to exec '%s': %s", cmd, - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); } static void add_man_viewer(const char *name) diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index e5afa8fe1bf1..73c1c4cc3600 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -562,7 +562,7 @@ static void strip_init(struct perf_inject *inject) inject->tool.context_switch = perf_event__drop; - evlist__for_each(evlist, evsel) + evlist__for_each_entry(evlist, evsel) evsel->handler = drop_sample; } @@ -590,7 +590,7 @@ static bool ok_to_remove(struct perf_evlist *evlist, if (!has_tracking(evsel_to_remove)) return true; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (evsel->handler != drop_sample) { cnt += 1; if ((evsel->attr.sample_type & COMPAT_MASK) == @@ -608,7 +608,7 @@ static void strip_fini(struct perf_inject *inject) struct perf_evsel *evsel, *tmp; /* Remove non-synthesized evsels if possible */ - evlist__for_each_safe(evlist, tmp, evsel) { + evlist__for_each_entry_safe(evlist, tmp, evsel) { if (evsel->handler == drop_sample && ok_to_remove(evlist, evsel)) { pr_debug("Deleting %s\n", perf_evsel__name(evsel)); @@ -643,7 +643,7 @@ static int __cmd_inject(struct perf_inject *inject) } else if (inject->sched_stat) { struct perf_evsel *evsel; - evlist__for_each(session->evlist, evsel) { + evlist__for_each_entry(session->evlist, evsel) { const char *name = perf_evsel__name(evsel); if (!strcmp(name, "sched:sched_switch")) { diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c index 58adfee230de..fdde1bd3e306 100644 --- a/tools/perf/builtin-kmem.c +++ b/tools/perf/builtin-kmem.c @@ -4,7 +4,7 @@ #include "util/evlist.h" #include "util/evsel.h" #include "util/util.h" -#include "util/cache.h" +#include "util/config.h" #include "util/symbol.h" #include "util/thread.h" #include "util/header.h" @@ -608,6 +608,7 @@ static const struct { const char *compact; } gfp_compact_table[] = { { "GFP_TRANSHUGE", "THP" }, + { "GFP_TRANSHUGE_LIGHT", "THL" }, { "GFP_HIGHUSER_MOVABLE", "HUM" }, { "GFP_HIGHUSER", "HU" }, { "GFP_USER", "U" }, @@ -1354,7 +1355,7 @@ static int __cmd_kmem(struct perf_session *session) goto out; } - evlist__for_each(session->evlist, evsel) { + evlist__for_each_entry(session->evlist, evsel) { if (!strcmp(perf_evsel__name(evsel), "kmem:mm_page_alloc") && perf_evsel__field(evsel, "pfn")) { use_pfn = true; diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index 6487c06d2708..5e2127e04f83 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -988,7 +988,7 @@ static int kvm_live_open_events(struct perf_kvm_stat *kvm) * Note: exclude_{guest,host} do not apply here. * This command processes KVM tracepoints from host only */ - evlist__for_each(evlist, pos) { + evlist__for_each_entry(evlist, pos) { struct perf_event_attr *attr = &pos->attr; /* make sure these *are* set */ @@ -1018,13 +1018,13 @@ static int kvm_live_open_events(struct perf_kvm_stat *kvm) err = perf_evlist__open(evlist); if (err < 0) { printf("Couldn't create the events: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out; } if (perf_evlist__mmap(evlist, kvm->opts.mmap_pages, false) < 0) { ui__error("Failed to mmap the events: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); perf_evlist__close(evlist); goto out; } @@ -1426,11 +1426,9 @@ static int kvm_events_live(struct perf_kvm_stat *kvm, err = kvm_events_live_report(kvm); out: - if (kvm->session) - perf_session__delete(kvm->session); + perf_session__delete(kvm->session); kvm->session = NULL; - if (kvm->evlist) - perf_evlist__delete(kvm->evlist); + perf_evlist__delete(kvm->evlist); return err; } diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c index 5e22db4684b8..88ee419e5189 100644 --- a/tools/perf/builtin-list.c +++ b/tools/perf/builtin-list.c @@ -25,7 +25,7 @@ int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused) OPT_END() }; const char * const list_usage[] = { - "perf list [hw|sw|cache|tracepoint|pmu|event_glob]", + "perf list [hw|sw|cache|tracepoint|pmu|sdt|event_glob]", NULL }; @@ -62,6 +62,8 @@ int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused) print_hwcache_events(NULL, raw_dump); else if (strcmp(argv[i], "pmu") == 0) print_pmu_events(NULL, raw_dump); + else if (strcmp(argv[i], "sdt") == 0) + print_sdt_events(NULL, NULL, raw_dump); else if ((sep = strchr(argv[i], ':')) != NULL) { int sep_idx; @@ -76,6 +78,7 @@ int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused) s[sep_idx] = '\0'; print_tracepoint_events(s, s + sep_idx + 1, raw_dump); + print_sdt_events(s, s + sep_idx + 1, raw_dump); free(s); } else { if (asprintf(&s, "*%s*", argv[i]) < 0) { @@ -89,6 +92,7 @@ int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused) print_hwcache_events(s, raw_dump); print_pmu_events(s, raw_dump); print_tracepoint_events(NULL, s, raw_dump); + print_sdt_events(NULL, s, raw_dump); free(s); } } diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c index 1dc140c5481d..d608a2c9e48c 100644 --- a/tools/perf/builtin-mem.c +++ b/tools/perf/builtin-mem.c @@ -67,6 +67,7 @@ static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) OPT_CALLBACK('e', "event", &mem, "event", "event selector. use 'perf mem record -e list' to list available events", parse_record_events), + OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"), OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"), OPT_BOOLEAN('U', "--all-user", &all_user, "collect only user level data"), diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c index 9af859b28b15..ee5b42173ba3 100644 --- a/tools/perf/builtin-probe.c +++ b/tools/perf/builtin-probe.c @@ -44,7 +44,7 @@ #define DEFAULT_VAR_FILTER "!__k???tab_* & !__crc_*" #define DEFAULT_FUNC_FILTER "!_*" -#define DEFAULT_LIST_FILTER "*:*" +#define DEFAULT_LIST_FILTER "*" /* Session management structure */ static struct { @@ -308,7 +308,7 @@ static void pr_err_with_code(const char *msg, int err) pr_err("%s", msg); pr_debug(" Reason: %s (Code: %d)", - strerror_r(-err, sbuf, sizeof(sbuf)), err); + str_error_r(-err, sbuf, sizeof(sbuf)), err); pr_err("\n"); } @@ -363,6 +363,32 @@ out_cleanup: return ret; } +static int del_perf_probe_caches(struct strfilter *filter) +{ + struct probe_cache *cache; + struct strlist *bidlist; + struct str_node *nd; + int ret; + + bidlist = build_id_cache__list_all(false); + if (!bidlist) { + ret = -errno; + pr_debug("Failed to get buildids: %d\n", ret); + return ret ?: -ENOMEM; + } + + strlist__for_each_entry(nd, bidlist) { + cache = probe_cache__new(nd->s); + if (!cache) + continue; + if (probe_cache__filter_purge(cache, filter) < 0 || + probe_cache__commit(cache) < 0) + pr_warning("Failed to remove entries for %s\n", nd->s); + probe_cache__delete(cache); + } + return 0; +} + static int perf_del_probe_events(struct strfilter *filter) { int ret, ret2, ufd = -1, kfd = -1; @@ -375,6 +401,9 @@ static int perf_del_probe_events(struct strfilter *filter) pr_debug("Delete filter: \'%s\'\n", str); + if (probe_conf.cache) + return del_perf_probe_caches(filter); + /* Get current event names */ ret = probe_file__open_both(&kfd, &ufd, PF_FL_RW); if (ret < 0) @@ -389,7 +418,7 @@ static int perf_del_probe_events(struct strfilter *filter) ret = probe_file__get_events(kfd, filter, klist); if (ret == 0) { - strlist__for_each(ent, klist) + strlist__for_each_entry(ent, klist) pr_info("Removed event: %s\n", ent->s); ret = probe_file__del_strlist(kfd, klist); @@ -399,7 +428,7 @@ static int perf_del_probe_events(struct strfilter *filter) ret2 = probe_file__get_events(ufd, filter, ulist); if (ret2 == 0) { - strlist__for_each(ent, ulist) + strlist__for_each_entry(ent, ulist) pr_info("Removed event: %s\n", ent->s); ret2 = probe_file__del_strlist(ufd, ulist); @@ -512,6 +541,7 @@ __cmd_probe(int argc, const char **argv, const char *prefix __maybe_unused) "Enable symbol demangling"), OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel, "Enable kernel symbol demangling"), + OPT_BOOLEAN(0, "cache", &probe_conf.cache, "Manipulate probe cache"), OPT_END() }; int ret; diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index dc3fcb597e4c..8f2c16d9275f 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -13,6 +13,7 @@ #include "util/util.h" #include <subcmd/parse-options.h> #include "util/parse-events.h" +#include "util/config.h" #include "util/callchain.h" #include "util/cgroup.h" @@ -118,11 +119,10 @@ backward_rb_find_range(void *buf, int mask, u64 head, u64 *start, u64 *end) } static int -rb_find_range(struct perf_evlist *evlist, - void *data, int mask, u64 head, u64 old, - u64 *start, u64 *end) +rb_find_range(void *data, int mask, u64 head, u64 old, + u64 *start, u64 *end, bool backward) { - if (!evlist->backward) { + if (!backward) { *start = old; *end = head; return 0; @@ -131,9 +131,10 @@ rb_find_range(struct perf_evlist *evlist, return backward_rb_find_range(data, mask, head, start, end); } -static int record__mmap_read(struct record *rec, int idx) +static int +record__mmap_read(struct record *rec, struct perf_mmap *md, + bool overwrite, bool backward) { - struct perf_mmap *md = &rec->evlist->mmap[idx]; u64 head = perf_mmap__read_head(md); u64 old = md->prev; u64 end = head, start = old; @@ -142,8 +143,8 @@ static int record__mmap_read(struct record *rec, int idx) void *buf; int rc = 0; - if (rb_find_range(rec->evlist, data, md->mask, head, - old, &start, &end)) + if (rb_find_range(data, md->mask, head, + old, &start, &end, backward)) return -1; if (start == end) @@ -156,7 +157,7 @@ static int record__mmap_read(struct record *rec, int idx) WARN_ONCE(1, "failed to keep up with mmap data. (warn only once)\n"); md->prev = head; - perf_evlist__mmap_consume(rec->evlist, idx); + perf_mmap__consume(md, overwrite || backward); return 0; } @@ -181,7 +182,7 @@ static int record__mmap_read(struct record *rec, int idx) } md->prev = head; - perf_evlist__mmap_consume(rec->evlist, idx); + perf_mmap__consume(md, overwrite || backward); out: return rc; } @@ -341,6 +342,40 @@ int auxtrace_record__snapshot_start(struct auxtrace_record *itr __maybe_unused) #endif +static int record__mmap_evlist(struct record *rec, + struct perf_evlist *evlist) +{ + struct record_opts *opts = &rec->opts; + char msg[512]; + + if (perf_evlist__mmap_ex(evlist, opts->mmap_pages, false, + opts->auxtrace_mmap_pages, + opts->auxtrace_snapshot_mode) < 0) { + if (errno == EPERM) { + pr_err("Permission error mapping pages.\n" + "Consider increasing " + "/proc/sys/kernel/perf_event_mlock_kb,\n" + "or try again with a smaller value of -m/--mmap_pages.\n" + "(current value: %u,%u)\n", + opts->mmap_pages, opts->auxtrace_mmap_pages); + return -errno; + } else { + pr_err("failed to mmap with %d (%s)\n", errno, + str_error_r(errno, msg, sizeof(msg))); + if (errno) + return -errno; + else + return -EINVAL; + } + } + return 0; +} + +static int record__mmap(struct record *rec) +{ + return record__mmap_evlist(rec, rec->evlist); +} + static int record__open(struct record *rec) { char msg[512]; @@ -352,7 +387,7 @@ static int record__open(struct record *rec) perf_evlist__config(evlist, opts, &callchain_param); - evlist__for_each(evlist, pos) { + evlist__for_each_entry(evlist, pos) { try_again: if (perf_evsel__open(pos, pos->cpus, pos->threads) < 0) { if (perf_evsel__fallback(pos, errno, msg, sizeof(msg))) { @@ -372,32 +407,14 @@ try_again: if (perf_evlist__apply_filters(evlist, &pos)) { error("failed to set filter \"%s\" on event %s with %d (%s)\n", pos->filter, perf_evsel__name(pos), errno, - strerror_r(errno, msg, sizeof(msg))); + str_error_r(errno, msg, sizeof(msg))); rc = -1; goto out; } - if (perf_evlist__mmap_ex(evlist, opts->mmap_pages, false, - opts->auxtrace_mmap_pages, - opts->auxtrace_snapshot_mode) < 0) { - if (errno == EPERM) { - pr_err("Permission error mapping pages.\n" - "Consider increasing " - "/proc/sys/kernel/perf_event_mlock_kb,\n" - "or try again with a smaller value of -m/--mmap_pages.\n" - "(current value: %u,%u)\n", - opts->mmap_pages, opts->auxtrace_mmap_pages); - rc = -errno; - } else { - pr_err("failed to mmap with %d (%s)\n", errno, - strerror_r(errno, msg, sizeof(msg))); - if (errno) - rc = -errno; - else - rc = -EINVAL; - } + rc = record__mmap(rec); + if (rc) goto out; - } session->evlist = evlist; perf_session__set_id_hdr_size(session); @@ -481,17 +498,30 @@ static struct perf_event_header finished_round_event = { .type = PERF_RECORD_FINISHED_ROUND, }; -static int record__mmap_read_all(struct record *rec) +static int record__mmap_read_evlist(struct record *rec, struct perf_evlist *evlist, + bool backward) { u64 bytes_written = rec->bytes_written; int i; int rc = 0; + struct perf_mmap *maps; - for (i = 0; i < rec->evlist->nr_mmaps; i++) { - struct auxtrace_mmap *mm = &rec->evlist->mmap[i].auxtrace_mmap; + if (!evlist) + return 0; - if (rec->evlist->mmap[i].base) { - if (record__mmap_read(rec, i) != 0) { + maps = backward ? evlist->backward_mmap : evlist->mmap; + if (!maps) + return 0; + + if (backward && evlist->bkw_mmap_state != BKW_MMAP_DATA_PENDING) + return 0; + + for (i = 0; i < evlist->nr_mmaps; i++) { + struct auxtrace_mmap *mm = &maps[i].auxtrace_mmap; + + if (maps[i].base) { + if (record__mmap_read(rec, &maps[i], + evlist->overwrite, backward) != 0) { rc = -1; goto out; } @@ -511,10 +541,23 @@ static int record__mmap_read_all(struct record *rec) if (bytes_written != rec->bytes_written) rc = record__write(rec, &finished_round_event, sizeof(finished_round_event)); + if (backward) + perf_evlist__toggle_bkw_mmap(evlist, BKW_MMAP_EMPTY); out: return rc; } +static int record__mmap_read_all(struct record *rec) +{ + int err; + + err = record__mmap_read_evlist(rec, rec->evlist, false); + if (err) + return err; + + return record__mmap_read_evlist(rec, rec->evlist, true); +} + static void record__init_features(struct record *rec) { struct perf_session *session = rec->session; @@ -561,13 +604,16 @@ record__finish_output(struct record *rec) return; } -static int record__synthesize_workload(struct record *rec) +static int record__synthesize_workload(struct record *rec, bool tail) { struct { struct thread_map map; struct thread_map_data map_data; } thread_map; + if (rec->opts.tail_synthesize != tail) + return 0; + thread_map.map.nr = 1; thread_map.map.map[0].pid = rec->evlist->workload.pid; thread_map.map.map[0].comm = NULL; @@ -578,7 +624,7 @@ static int record__synthesize_workload(struct record *rec) rec->opts.proc_map_timeout); } -static int record__synthesize(struct record *rec); +static int record__synthesize(struct record *rec, bool tail); static int record__switch_output(struct record *rec, bool at_exit) @@ -589,6 +635,10 @@ record__switch_output(struct record *rec, bool at_exit) /* Same Size: "2015122520103046"*/ char timestamp[] = "InvalidTimestamp"; + record__synthesize(rec, true); + if (target__none(&rec->opts.target)) + record__synthesize_workload(rec, true); + rec->samples = 0; record__finish_output(rec); err = fetch_current_timestamp(timestamp, sizeof(timestamp)); @@ -611,7 +661,7 @@ record__switch_output(struct record *rec, bool at_exit) /* Output tracking events */ if (!at_exit) { - record__synthesize(rec); + record__synthesize(rec, false); /* * In 'perf record --switch-output' without -a, @@ -623,7 +673,7 @@ record__switch_output(struct record *rec, bool at_exit) * perf_event__synthesize_thread_map() for those events. */ if (target__none(&rec->opts.target)) - record__synthesize_workload(rec); + record__synthesize_workload(rec, false); } return fd; } @@ -655,7 +705,29 @@ perf_event__synth_time_conv(const struct perf_event_mmap_page *pc __maybe_unused return 0; } -static int record__synthesize(struct record *rec) +static const struct perf_event_mmap_page * +perf_evlist__pick_pc(struct perf_evlist *evlist) +{ + if (evlist) { + if (evlist->mmap && evlist->mmap[0].base) + return evlist->mmap[0].base; + if (evlist->backward_mmap && evlist->backward_mmap[0].base) + return evlist->backward_mmap[0].base; + } + return NULL; +} + +static const struct perf_event_mmap_page *record__pick_pc(struct record *rec) +{ + const struct perf_event_mmap_page *pc; + + pc = perf_evlist__pick_pc(rec->evlist); + if (pc) + return pc; + return NULL; +} + +static int record__synthesize(struct record *rec, bool tail) { struct perf_session *session = rec->session; struct machine *machine = &session->machines.host; @@ -665,6 +737,9 @@ static int record__synthesize(struct record *rec) int fd = perf_data_file__fd(file); int err = 0; + if (rec->opts.tail_synthesize != tail) + return 0; + if (file->is_pipe) { err = perf_event__synthesize_attrs(tool, session, process_synthesized_event); @@ -692,7 +767,7 @@ static int record__synthesize(struct record *rec) } } - err = perf_event__synth_time_conv(rec->evlist->mmap[0].base, tool, + err = perf_event__synth_time_conv(record__pick_pc(rec), tool, process_synthesized_event, machine); if (err) goto out; @@ -828,7 +903,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) machine = &session->machines.host; - err = record__synthesize(rec); + err = record__synthesize(rec, false); if (err < 0) goto out_child; @@ -888,6 +963,17 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) for (;;) { unsigned long long hits = rec->samples; + /* + * rec->evlist->bkw_mmap_state is possible to be + * BKW_MMAP_EMPTY here: when done == true and + * hits != rec->samples in previous round. + * + * perf_evlist__toggle_bkw_mmap ensure we never + * convert BKW_MMAP_EMPTY to BKW_MMAP_DATA_PENDING. + */ + if (trigger_is_hit(&switch_output_trigger) || done || draining) + perf_evlist__toggle_bkw_mmap(rec->evlist, BKW_MMAP_DATA_PENDING); + if (record__mmap_read_all(rec) < 0) { trigger_error(&auxtrace_snapshot_trigger); trigger_error(&switch_output_trigger); @@ -907,8 +993,26 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) } if (trigger_is_hit(&switch_output_trigger)) { + /* + * If switch_output_trigger is hit, the data in + * overwritable ring buffer should have been collected, + * so bkw_mmap_state should be set to BKW_MMAP_EMPTY. + * + * If SIGUSR2 raise after or during record__mmap_read_all(), + * record__mmap_read_all() didn't collect data from + * overwritable ring buffer. Read again. + */ + if (rec->evlist->bkw_mmap_state == BKW_MMAP_RUNNING) + continue; trigger_ready(&switch_output_trigger); + /* + * Reenable events in overwrite ring buffer after + * record__mmap_read_all(): we should have collected + * data from it. + */ + perf_evlist__toggle_bkw_mmap(rec->evlist, BKW_MMAP_RUNNING); + if (!quiet) fprintf(stderr, "[ perf record: dump data: Woken up %ld times ]\n", waking); @@ -954,7 +1058,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) if (forks && workload_exec_errno) { char msg[STRERR_BUFSIZE]; - const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg)); + const char *emsg = str_error_r(workload_exec_errno, msg, sizeof(msg)); pr_err("Workload failed: %s\n", emsg); err = -1; goto out_child; @@ -963,6 +1067,9 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) if (!quiet) fprintf(stderr, "[ perf record: Woken up %ld times to write data ]\n", waking); + if (target__none(&rec->opts.target)) + record__synthesize_workload(rec, true); + out_child: if (forks) { int exit_status; @@ -981,6 +1088,7 @@ out_child: } else status = err; + record__synthesize(rec, true); /* this will be recalculated during process_buildids() */ rec->samples = 0; @@ -1267,6 +1375,8 @@ static struct record record = { const char record_callchain_help[] = CALLCHAIN_RECORD_HELP "\n\t\t\t\tDefault: fp"; +static bool dry_run; + /* * XXX Will stay a global variable till we fix builtin-script.c to stop messing * with it and switch to use the library functions in perf_evlist that came @@ -1303,6 +1413,9 @@ struct option __record_options[] = { OPT_BOOLEAN_SET('i', "no-inherit", &record.opts.no_inherit, &record.opts.no_inherit_set, "child tasks do not inherit counters"), + OPT_BOOLEAN(0, "tail-synthesize", &record.opts.tail_synthesize, + "synthesize non-sample events at the end of output"), + OPT_BOOLEAN(0, "overwrite", &record.opts.overwrite, "use overwrite mode"), OPT_UINTEGER('F', "freq", &record.opts.user_freq, "profile at this frequency"), OPT_CALLBACK('m', "mmap-pages", &record.opts, "pages[,pages]", "number of mmap data pages and AUX area tracing mmap pages", @@ -1386,6 +1499,8 @@ struct option __record_options[] = { "append timestamp to output filename"), OPT_BOOLEAN(0, "switch-output", &record.switch_output, "Switch output when receive SIGUSR2"), + OPT_BOOLEAN(0, "dry-run", &dry_run, + "Parse options then exit"), OPT_END() }; @@ -1455,6 +1570,9 @@ int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused) if (err) return err; + if (dry_run) + return 0; + err = bpf__setup_stdout(rec->evlist); if (err) { bpf__strerror_setup_stdout(rec->evlist, err, errbuf, sizeof(errbuf)); @@ -1508,6 +1626,9 @@ int cmd_record(int argc, const char **argv, const char *prefix __maybe_unused) } } + if (record.opts.overwrite) + record.opts.tail_synthesize = true; + if (rec->evlist->nr_entries == 0 && perf_evlist__add_default(rec->evlist) < 0) { pr_err("Not enough memory for event selector list\n"); diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index a87cb338bdf1..949e5a15c960 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -8,7 +8,7 @@ #include "builtin.h" #include "util/util.h" -#include "util/cache.h" +#include "util/config.h" #include "util/annotate.h" #include "util/color.h" @@ -361,7 +361,7 @@ static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, struct perf_evsel *pos; fprintf(stdout, "#\n# Total Lost Samples: %" PRIu64 "\n#\n", evlist->stats.total_lost_samples); - evlist__for_each(evlist, pos) { + evlist__for_each_entry(evlist, pos) { struct hists *hists = evsel__hists(pos); const char *evname = perf_evsel__name(pos); @@ -370,7 +370,8 @@ static int perf_evlist__tty_browse_hists(struct perf_evlist *evlist, continue; hists__fprintf_nr_sample_events(hists, rep, evname, stdout); - hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout); + hists__fprintf(hists, true, 0, 0, rep->min_percent, stdout, + symbol_conf.use_callchain); fprintf(stdout, "\n\n"); } @@ -477,7 +478,7 @@ static int report__collapse_hists(struct report *rep) ui_progress__init(&prog, rep->nr_entries, "Merging related events..."); - evlist__for_each(rep->session->evlist, pos) { + evlist__for_each_entry(rep->session->evlist, pos) { struct hists *hists = evsel__hists(pos); if (pos->idx == 0) @@ -510,7 +511,7 @@ static void report__output_resort(struct report *rep) ui_progress__init(&prog, rep->nr_entries, "Sorting events for output..."); - evlist__for_each(rep->session->evlist, pos) + evlist__for_each_entry(rep->session->evlist, pos) perf_evsel__output_resort(pos, &prog); ui_progress__finish(); @@ -551,7 +552,7 @@ static int __cmd_report(struct report *rep) report__warn_kptr_restrict(rep); - evlist__for_each(session->evlist, pos) + evlist__for_each_entry(session->evlist, pos) rep->nr_entries += evsel__hists(pos)->nr_entries; if (use_browser == 0) { @@ -582,7 +583,7 @@ static int __cmd_report(struct report *rep) * might be changed during the collapse phase. */ rep->nr_entries = 0; - evlist__for_each(session->evlist, pos) + evlist__for_each_entry(session->evlist, pos) rep->nr_entries += evsel__hists(pos)->nr_entries; if (rep->nr_entries == 0) { @@ -816,6 +817,9 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) "Show raw trace event output (do not use print fmt or plugins)"), OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy, "Show entries in a hierarchy"), + OPT_CALLBACK_DEFAULT(0, "stdio-color", NULL, "mode", + "'always' (default), 'never' or 'auto' only applicable to --stdio mode", + stdio__config_color, "always"), OPT_END() }; struct perf_data_file file = { diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index afa057666c2a..0dfe8df2ab9b 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -494,7 +494,7 @@ force_again: } pr_err("Error: sys_perf_event_open() syscall returned " "with %d (%s)\n%s", fd, - strerror_r(errno, sbuf, sizeof(sbuf)), info); + str_error_r(errno, sbuf, sizeof(sbuf)), info); exit(EXIT_FAILURE); } return fd; diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index e3ce2f34d3ad..971ff91b16cb 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -21,6 +21,7 @@ #include "util/cpumap.h" #include "util/thread_map.h" #include "util/stat.h" +#include "util/thread-stack.h" #include <linux/bitmap.h> #include <linux/stringify.h> #include "asm/bug.h" @@ -63,6 +64,7 @@ enum perf_output_field { PERF_OUTPUT_DATA_SRC = 1U << 17, PERF_OUTPUT_WEIGHT = 1U << 18, PERF_OUTPUT_BPF_OUTPUT = 1U << 19, + PERF_OUTPUT_CALLINDENT = 1U << 20, }; struct output_option { @@ -89,6 +91,7 @@ struct output_option { {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC}, {.str = "weight", .field = PERF_OUTPUT_WEIGHT}, {.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT}, + {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT}, }; /* default set to maintain compatibility with current format */ @@ -339,7 +342,7 @@ static void set_print_ip_opts(struct perf_event_attr *attr) */ static int perf_session__check_output_opt(struct perf_session *session) { - int j; + unsigned int j; struct perf_evsel *evsel; for (j = 0; j < PERF_TYPE_MAX; ++j) { @@ -369,7 +372,7 @@ static int perf_session__check_output_opt(struct perf_session *session) if (!no_callchain) { bool use_callchain = false; - evlist__for_each(session->evlist, evsel) { + evlist__for_each_entry(session->evlist, evsel) { if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) { use_callchain = true; break; @@ -388,17 +391,20 @@ static int perf_session__check_output_opt(struct perf_session *session) struct perf_event_attr *attr; j = PERF_TYPE_TRACEPOINT; - evsel = perf_session__find_first_evtype(session, j); - if (evsel == NULL) - goto out; - attr = &evsel->attr; + evlist__for_each_entry(session->evlist, evsel) { + if (evsel->attr.type != j) + continue; + + attr = &evsel->attr; - if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) { - output[j].fields |= PERF_OUTPUT_IP; - output[j].fields |= PERF_OUTPUT_SYM; - output[j].fields |= PERF_OUTPUT_DSO; - set_print_ip_opts(attr); + if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) { + output[j].fields |= PERF_OUTPUT_IP; + output[j].fields |= PERF_OUTPUT_SYM; + output[j].fields |= PERF_OUTPUT_DSO; + set_print_ip_opts(attr); + goto out; + } } } @@ -559,6 +565,62 @@ static void print_sample_addr(struct perf_sample *sample, } } +static void print_sample_callindent(struct perf_sample *sample, + struct perf_evsel *evsel, + struct thread *thread, + struct addr_location *al) +{ + struct perf_event_attr *attr = &evsel->attr; + size_t depth = thread_stack__depth(thread); + struct addr_location addr_al; + const char *name = NULL; + static int spacing; + int len = 0; + u64 ip = 0; + + /* + * The 'return' has already been popped off the stack so the depth has + * to be adjusted to match the 'call'. + */ + if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN) + depth += 1; + + if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) { + if (sample_addr_correlates_sym(attr)) { + thread__resolve(thread, &addr_al, sample); + if (addr_al.sym) + name = addr_al.sym->name; + else + ip = sample->addr; + } else { + ip = sample->addr; + } + } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) { + if (al->sym) + name = al->sym->name; + else + ip = sample->ip; + } + + if (name) + len = printf("%*s%s", (int)depth * 4, "", name); + else if (ip) + len = printf("%*s%16" PRIx64, (int)depth * 4, "", ip); + + if (len < 0) + return; + + /* + * Try to keep the output length from changing frequently so that the + * output lines up more nicely. + */ + if (len > spacing || (len && len < spacing - 52)) + spacing = round_up(len + 4, 32); + + if (len < spacing) + printf("%*s", spacing - len, ""); +} + static void print_sample_bts(struct perf_sample *sample, struct perf_evsel *evsel, struct thread *thread, @@ -567,6 +629,9 @@ static void print_sample_bts(struct perf_sample *sample, struct perf_event_attr *attr = &evsel->attr; bool print_srcline_last = false; + if (PRINT_FIELD(CALLINDENT)) + print_sample_callindent(sample, evsel, thread, al); + /* print branch_from information */ if (PRINT_FIELD(IP)) { unsigned int print_opts = output[attr->type].print_ip_opts; @@ -603,13 +668,42 @@ static void print_sample_bts(struct perf_sample *sample, printf("\n"); } +static struct { + u32 flags; + const char *name; +} sample_flags[] = { + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"}, + {PERF_IP_FLAG_BRANCH, "jmp"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"}, + {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"}, + {0, NULL} +}; + static void print_sample_flags(u32 flags) { const char *chars = PERF_IP_FLAG_CHARS; const int n = strlen(PERF_IP_FLAG_CHARS); + bool in_tx = flags & PERF_IP_FLAG_IN_TX; + const char *name = NULL; char str[33]; int i, pos = 0; + for (i = 0; sample_flags[i].name ; i++) { + if (sample_flags[i].flags == (flags & ~PERF_IP_FLAG_IN_TX)) { + name = sample_flags[i].name; + break; + } + } + for (i = 0; i < n; i++, flags >>= 1) { if (flags & 1) str[pos++] = chars[i]; @@ -619,7 +713,11 @@ static void print_sample_flags(u32 flags) str[pos++] = '?'; } str[pos] = 0; - printf(" %-4s ", str); + + if (name) + printf(" %-7s%4s ", name, in_tx ? "(x)" : ""); + else + printf(" %-11s ", str); } struct printer_data { @@ -717,7 +815,7 @@ static int perf_evlist__max_name_len(struct perf_evlist *evlist) struct perf_evsel *evsel; int max = 0; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { int len = strlen(perf_evsel__name(evsel)); max = MAX(len, max); @@ -942,7 +1040,7 @@ static int process_attr(struct perf_tool *tool, union perf_event *event, if (evsel->attr.type >= PERF_TYPE_MAX) return 0; - evlist__for_each(evlist, pos) { + evlist__for_each_entry(evlist, pos) { if (pos->attr.type == evsel->attr.type && pos != evsel) return 0; } @@ -1668,7 +1766,7 @@ static int check_ev_match(char *dir_name, char *scriptname, snprintf(evname, len + 1, "%s", p); match = 0; - evlist__for_each(session->evlist, pos) { + evlist__for_each_entry(session->evlist, pos) { if (!strcmp(perf_evsel__name(pos), evname)) { match = 1; break; @@ -1870,7 +1968,7 @@ static int process_stat_round_event(struct perf_tool *tool __maybe_unused, struct stat_round_event *round = &event->stat_round; struct perf_evsel *counter; - evlist__for_each(session->evlist, counter) { + evlist__for_each_entry(session->evlist, counter) { perf_stat_process_counter(&stat_config, counter); process_stat(counter, round->time); } @@ -2017,7 +2115,8 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) "comma separated output fields prepend with 'type:'. " "Valid types: hw,sw,trace,raw. " "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," - "addr,symoff,period,iregs,brstack,brstacksym,flags", parse_output_fields), + "addr,symoff,period,iregs,brstack,brstacksym,flags," + "callindent", parse_output_fields), OPT_BOOLEAN('a', "all-cpus", &system_wide, "system-wide collection from all CPUs"), OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", @@ -2256,6 +2355,9 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) script.session = session; script__setup_sample_type(&script); + if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) + itrace_synth_opts.thread_stack = true; + session->itrace_synth_opts = &itrace_synth_opts; if (cpu_list) { diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index ee7ada78d86f..0c16d20d7e32 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -59,10 +59,13 @@ #include "util/thread.h" #include "util/thread_map.h" #include "util/counts.h" +#include "util/group.h" #include "util/session.h" #include "util/tool.h" +#include "util/group.h" #include "asm/bug.h" +#include <api/fs/fs.h> #include <stdlib.h> #include <sys/prctl.h> #include <locale.h> @@ -98,6 +101,15 @@ static const char * transaction_limited_attrs = { "}" }; +static const char * topdown_attrs[] = { + "topdown-total-slots", + "topdown-slots-retired", + "topdown-recovery-bubbles", + "topdown-fetch-bubbles", + "topdown-slots-issued", + NULL, +}; + static struct perf_evlist *evsel_list; static struct target target = { @@ -112,6 +124,7 @@ static volatile pid_t child_pid = -1; static bool null_run = false; static int detailed_run = 0; static bool transaction_run; +static bool topdown_run = false; static bool big_num = true; static int big_num_opt = -1; static const char *csv_sep = NULL; @@ -124,6 +137,7 @@ static unsigned int initial_delay = 0; static unsigned int unit_width = 4; /* strlen("unit") */ static bool forever = false; static bool metric_only = false; +static bool force_metric_only = false; static struct timespec ref_time; static struct cpu_map *aggr_map; static aggr_get_id_t aggr_get_id; @@ -276,8 +290,12 @@ perf_evsel__write_stat_event(struct perf_evsel *counter, u32 cpu, u32 thread, static int read_counter(struct perf_evsel *counter) { int nthreads = thread_map__nr(evsel_list->threads); - int ncpus = perf_evsel__nr_cpus(counter); - int cpu, thread; + int ncpus, cpu, thread; + + if (target__has_cpu(&target)) + ncpus = perf_evsel__nr_cpus(counter); + else + ncpus = 1; if (!counter->supported) return -ENOENT; @@ -317,7 +335,7 @@ static void read_counters(bool close_counters) { struct perf_evsel *counter; - evlist__for_each(evsel_list, counter) { + evlist__for_each_entry(evsel_list, counter) { if (read_counter(counter)) pr_debug("failed to read counter %s\n", counter->name); @@ -403,7 +421,7 @@ static int perf_stat_synthesize_config(bool is_pipe) * Synthesize other events stuff not carried within * attr event - unit, scale, name */ - evlist__for_each(evsel_list, counter) { + evlist__for_each_entry(evsel_list, counter) { if (!counter->supported) continue; @@ -536,7 +554,7 @@ static int __run_perf_stat(int argc, const char **argv) if (group) perf_evlist__set_leader(evsel_list); - evlist__for_each(evsel_list, counter) { + evlist__for_each_entry(evsel_list, counter) { try_again: if (create_perf_stat_counter(counter) < 0) { /* @@ -582,7 +600,7 @@ try_again: if (perf_evlist__apply_filters(evsel_list, &counter)) { error("failed to set filter \"%s\" on event %s with %d (%s)\n", counter->filter, perf_evsel__name(counter), errno, - strerror_r(errno, msg, sizeof(msg))); + str_error_r(errno, msg, sizeof(msg))); return -1; } @@ -623,7 +641,7 @@ try_again: wait(&status); if (workload_exec_errno) { - const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg)); + const char *emsg = str_error_r(workload_exec_errno, msg, sizeof(msg)); pr_err("Workload failed: %s\n", emsg); return -1; } @@ -1120,7 +1138,7 @@ static void aggr_update_shadow(void) for (s = 0; s < aggr_map->nr; s++) { id = aggr_map->map[s]; - evlist__for_each(evsel_list, counter) { + evlist__for_each_entry(evsel_list, counter) { val = 0; for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { s2 = aggr_get_id(evsel_list->cpus, cpu); @@ -1159,7 +1177,7 @@ static void print_aggr(char *prefix) id = aggr_map->map[s]; first = true; - evlist__for_each(evsel_list, counter) { + evlist__for_each_entry(evsel_list, counter) { val = ena = run = 0; nr = 0; for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) { @@ -1278,7 +1296,7 @@ static void print_no_aggr_metric(char *prefix) if (prefix) fputs(prefix, stat_config.output); - evlist__for_each(evsel_list, counter) { + evlist__for_each_entry(evsel_list, counter) { if (first) { aggr_printout(counter, cpu, 0); first = false; @@ -1302,7 +1320,15 @@ static int aggr_header_lens[] = { [AGGR_GLOBAL] = 0, }; -static void print_metric_headers(char *prefix) +static const char *aggr_header_csv[] = { + [AGGR_CORE] = "core,cpus,", + [AGGR_SOCKET] = "socket,cpus", + [AGGR_NONE] = "cpu,", + [AGGR_THREAD] = "comm-pid,", + [AGGR_GLOBAL] = "" +}; + +static void print_metric_headers(const char *prefix, bool no_indent) { struct perf_stat_output_ctx out; struct perf_evsel *counter; @@ -1313,12 +1339,18 @@ static void print_metric_headers(char *prefix) if (prefix) fprintf(stat_config.output, "%s", prefix); - if (!csv_output) + if (!csv_output && !no_indent) fprintf(stat_config.output, "%*s", aggr_header_lens[stat_config.aggr_mode], ""); + if (csv_output) { + if (stat_config.interval) + fputs("time,", stat_config.output); + fputs(aggr_header_csv[stat_config.aggr_mode], + stat_config.output); + } /* Print metrics headers only */ - evlist__for_each(evsel_list, counter) { + evlist__for_each_entry(evsel_list, counter) { os.evsel = counter; out.ctx = &os; out.print_metric = print_metric_header; @@ -1338,28 +1370,40 @@ static void print_interval(char *prefix, struct timespec *ts) sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, csv_sep); - if (num_print_interval == 0 && !csv_output && !metric_only) { + if (num_print_interval == 0 && !csv_output) { switch (stat_config.aggr_mode) { case AGGR_SOCKET: - fprintf(output, "# time socket cpus counts %*s events\n", unit_width, "unit"); + fprintf(output, "# time socket cpus"); + if (!metric_only) + fprintf(output, " counts %*s events\n", unit_width, "unit"); break; case AGGR_CORE: - fprintf(output, "# time core cpus counts %*s events\n", unit_width, "unit"); + fprintf(output, "# time core cpus"); + if (!metric_only) + fprintf(output, " counts %*s events\n", unit_width, "unit"); break; case AGGR_NONE: - fprintf(output, "# time CPU counts %*s events\n", unit_width, "unit"); + fprintf(output, "# time CPU"); + if (!metric_only) + fprintf(output, " counts %*s events\n", unit_width, "unit"); break; case AGGR_THREAD: - fprintf(output, "# time comm-pid counts %*s events\n", unit_width, "unit"); + fprintf(output, "# time comm-pid"); + if (!metric_only) + fprintf(output, " counts %*s events\n", unit_width, "unit"); break; case AGGR_GLOBAL: default: - fprintf(output, "# time counts %*s events\n", unit_width, "unit"); + fprintf(output, "# time"); + if (!metric_only) + fprintf(output, " counts %*s events\n", unit_width, "unit"); case AGGR_UNSET: break; } } + if (num_print_interval == 0 && metric_only) + print_metric_headers(" ", true); if (++num_print_interval == 25) num_print_interval = 0; } @@ -1428,8 +1472,8 @@ static void print_counters(struct timespec *ts, int argc, const char **argv) if (metric_only) { static int num_print_iv; - if (num_print_iv == 0) - print_metric_headers(prefix); + if (num_print_iv == 0 && !interval) + print_metric_headers(prefix, false); if (num_print_iv++ == 25) num_print_iv = 0; if (stat_config.aggr_mode == AGGR_GLOBAL && prefix) @@ -1442,11 +1486,11 @@ static void print_counters(struct timespec *ts, int argc, const char **argv) print_aggr(prefix); break; case AGGR_THREAD: - evlist__for_each(evsel_list, counter) + evlist__for_each_entry(evsel_list, counter) print_aggr_thread(counter, prefix); break; case AGGR_GLOBAL: - evlist__for_each(evsel_list, counter) + evlist__for_each_entry(evsel_list, counter) print_counter_aggr(counter, prefix); if (metric_only) fputc('\n', stat_config.output); @@ -1455,7 +1499,7 @@ static void print_counters(struct timespec *ts, int argc, const char **argv) if (metric_only) print_no_aggr_metric(prefix); else { - evlist__for_each(evsel_list, counter) + evlist__for_each_entry(evsel_list, counter) print_counter(counter, prefix); } break; @@ -1520,6 +1564,14 @@ static int stat__set_big_num(const struct option *opt __maybe_unused, return 0; } +static int enable_metric_only(const struct option *opt __maybe_unused, + const char *s __maybe_unused, int unset) +{ + force_metric_only = true; + metric_only = !unset; + return 0; +} + static const struct option stat_options[] = { OPT_BOOLEAN('T', "transaction", &transaction_run, "hardware transaction statistics"), @@ -1578,8 +1630,10 @@ static const struct option stat_options[] = { "aggregate counts per thread", AGGR_THREAD), OPT_UINTEGER('D', "delay", &initial_delay, "ms to wait before starting measurement after program start"), - OPT_BOOLEAN(0, "metric-only", &metric_only, - "Only print computed metrics. No raw values"), + OPT_CALLBACK_NOOPT(0, "metric-only", &metric_only, NULL, + "Only print computed metrics. No raw values", enable_metric_only), + OPT_BOOLEAN(0, "topdown", &topdown_run, + "measure topdown level 1 statistics"), OPT_END() }; @@ -1772,12 +1826,62 @@ static int perf_stat_init_aggr_mode_file(struct perf_stat *st) return 0; } +static int topdown_filter_events(const char **attr, char **str, bool use_group) +{ + int off = 0; + int i; + int len = 0; + char *s; + + for (i = 0; attr[i]; i++) { + if (pmu_have_event("cpu", attr[i])) { + len += strlen(attr[i]) + 1; + attr[i - off] = attr[i]; + } else + off++; + } + attr[i - off] = NULL; + + *str = malloc(len + 1 + 2); + if (!*str) + return -1; + s = *str; + if (i - off == 0) { + *s = 0; + return 0; + } + if (use_group) + *s++ = '{'; + for (i = 0; attr[i]; i++) { + strcpy(s, attr[i]); + s += strlen(s); + *s++ = ','; + } + if (use_group) { + s[-1] = '}'; + *s = 0; + } else + s[-1] = 0; + return 0; +} + +__weak bool arch_topdown_check_group(bool *warn) +{ + *warn = false; + return false; +} + +__weak void arch_topdown_group_warn(void) +{ +} + /* * Add default attributes, if there were no attributes specified or * if -d/--detailed, -d -d or -d -d -d is used: */ static int add_default_attributes(void) { + int err; struct perf_event_attr default_attrs0[] = { { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_TASK_CLOCK }, @@ -1896,7 +2000,6 @@ static int add_default_attributes(void) return 0; if (transaction_run) { - int err; if (pmu_have_event("cpu", "cycles-ct") && pmu_have_event("cpu", "el-start")) err = parse_events(evsel_list, transaction_attrs, NULL); @@ -1909,6 +2012,46 @@ static int add_default_attributes(void) return 0; } + if (topdown_run) { + char *str = NULL; + bool warn = false; + + if (stat_config.aggr_mode != AGGR_GLOBAL && + stat_config.aggr_mode != AGGR_CORE) { + pr_err("top down event configuration requires --per-core mode\n"); + return -1; + } + stat_config.aggr_mode = AGGR_CORE; + if (nr_cgroups || !target__has_cpu(&target)) { + pr_err("top down event configuration requires system-wide mode (-a)\n"); + return -1; + } + + if (!force_metric_only) + metric_only = true; + if (topdown_filter_events(topdown_attrs, &str, + arch_topdown_check_group(&warn)) < 0) { + pr_err("Out of memory\n"); + return -1; + } + if (topdown_attrs[0] && str) { + if (warn) + arch_topdown_group_warn(); + err = parse_events(evsel_list, str, NULL); + if (err) { + fprintf(stderr, + "Cannot set up top down events %s: %d\n", + str, err); + free(str); + return -1; + } + } else { + fprintf(stderr, "System does not support topdown\n"); + return -1; + } + free(str); + } + if (!evsel_list->nr_entries) { if (target__has_cpu(&target)) default_attrs0[0].config = PERF_COUNT_SW_CPU_CLOCK; @@ -2010,7 +2153,7 @@ static int process_stat_round_event(struct perf_tool *tool __maybe_unused, const char **argv = session->header.env.cmdline_argv; int argc = session->header.env.nr_cmdline; - evlist__for_each(evsel_list, counter) + evlist__for_each_entry(evsel_list, counter) perf_stat_process_counter(&stat_config, counter); if (stat_round->type == PERF_STAT_ROUND_TYPE__FINAL) diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 2a6cc254ad0c..bd108683fcb8 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -22,7 +22,7 @@ #include "perf.h" #include "util/annotate.h" -#include "util/cache.h" +#include "util/config.h" #include "util/color.h" #include "util/evlist.h" #include "util/evsel.h" @@ -295,7 +295,7 @@ static void perf_top__print_sym_table(struct perf_top *top) hists__output_recalc_col_len(hists, top->print_entries - printed); putchar('\n'); hists__fprintf(hists, false, top->print_entries - printed, win_width, - top->min_percent, stdout); + top->min_percent, stdout, symbol_conf.use_callchain); } static void prompt_integer(int *target, const char *msg) @@ -479,7 +479,7 @@ static bool perf_top__handle_keypress(struct perf_top *top, int c) fprintf(stderr, "\nAvailable events:"); - evlist__for_each(top->evlist, top->sym_evsel) + evlist__for_each_entry(top->evlist, top->sym_evsel) fprintf(stderr, "\n\t%d %s", top->sym_evsel->idx, perf_evsel__name(top->sym_evsel)); prompt_integer(&counter, "Enter details event counter"); @@ -490,7 +490,7 @@ static bool perf_top__handle_keypress(struct perf_top *top, int c) sleep(1); break; } - evlist__for_each(top->evlist, top->sym_evsel) + evlist__for_each_entry(top->evlist, top->sym_evsel) if (top->sym_evsel->idx == counter) break; } else @@ -583,7 +583,7 @@ static void *display_thread_tui(void *arg) * Zooming in/out UIDs. For now juse use whatever the user passed * via --uid. */ - evlist__for_each(top->evlist, pos) { + evlist__for_each_entry(top->evlist, pos) { struct hists *hists = evsel__hists(pos); hists->uid_filter_str = top->record_opts.target.uid_str; } @@ -888,7 +888,7 @@ static int perf_top__start_counters(struct perf_top *top) perf_evlist__config(evlist, opts, &callchain_param); - evlist__for_each(evlist, counter) { + evlist__for_each_entry(evlist, counter) { try_again: if (perf_evsel__open(counter, top->evlist->cpus, top->evlist->threads) < 0) { @@ -907,7 +907,7 @@ try_again: if (perf_evlist__mmap(evlist, opts->mmap_pages, false) < 0) { ui__error("Failed to mmap with %d (%s)\n", - errno, strerror_r(errno, msg, sizeof(msg))); + errno, str_error_r(errno, msg, sizeof(msg))); goto out_err; } @@ -1028,7 +1028,7 @@ out_delete: out_err_cpu_topo: { char errbuf[BUFSIZ]; - const char *err = strerror_r(-ret, errbuf, sizeof(errbuf)); + const char *err = str_error_r(-ret, errbuf, sizeof(errbuf)); ui__error("Could not read the CPU topology map: %s\n", err); goto out_delete; @@ -1295,7 +1295,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) if (perf_evlist__create_maps(top.evlist, target) < 0) { ui__error("Couldn't create thread/CPU maps: %s\n", - errno == ENOENT ? "No such process" : strerror_r(errno, errbuf, sizeof(errbuf))); + errno == ENOENT ? "No such process" : str_error_r(errno, errbuf, sizeof(errbuf))); goto out_delete_evlist; } diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 5c50fe70d6b3..b8c6766301db 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -43,7 +43,6 @@ #include <linux/err.h> #include <linux/filter.h> #include <linux/audit.h> -#include <sys/ptrace.h> #include <linux/random.h> #include <linux/stringify.h> @@ -334,6 +333,10 @@ static size_t syscall_arg__scnprintf_fd(char *bf, size_t size, #define SCA_FD syscall_arg__scnprintf_fd +#ifndef AT_FDCWD +#define AT_FDCWD -100 +#endif + static size_t syscall_arg__scnprintf_fd_at(char *bf, size_t size, struct syscall_arg *arg) { @@ -1247,7 +1250,7 @@ static int trace__validate_ev_qualifier(struct trace *trace) i = 0; - strlist__for_each(pos, trace->ev_qualifier) { + strlist__for_each_entry(pos, trace->ev_qualifier) { const char *sc = pos->s; int id = syscalltbl__id(trace->sctbl, sc); @@ -1601,7 +1604,7 @@ signed_print: fprintf(trace->output, ") = %ld", ret); } else if (ret < 0 && (sc->fmt->errmsg || sc->fmt->errpid)) { char bf[STRERR_BUFSIZE]; - const char *emsg = strerror_r(-ret, bf, sizeof(bf)), + const char *emsg = str_error_r(-ret, bf, sizeof(bf)), *e = audit_errno_to_name(-ret); fprintf(trace->output, ") = -1 %s %s", e, emsg); @@ -2402,7 +2405,7 @@ out_error_apply_filters: fprintf(trace->output, "Failed to set filter \"%s\" on event %s with %d (%s)\n", evsel->filter, perf_evsel__name(evsel), errno, - strerror_r(errno, errbuf, sizeof(errbuf))); + str_error_r(errno, errbuf, sizeof(errbuf))); goto out_delete_evlist; } out_error_mem: @@ -2483,7 +2486,7 @@ static int trace__replay(struct trace *trace) goto out; } - evlist__for_each(session->evlist, evsel) { + evlist__for_each_entry(session->evlist, evsel) { if (evsel->attr.type == PERF_TYPE_SOFTWARE && (evsel->attr.config == PERF_COUNT_SW_PAGE_FAULTS_MAJ || evsel->attr.config == PERF_COUNT_SW_PAGE_FAULTS_MIN || @@ -2550,7 +2553,7 @@ static size_t thread__dump_stats(struct thread_trace *ttrace, printed += fprintf(fp, " (msec) (msec) (msec) (msec) (%%)\n"); printed += fprintf(fp, " --------------- -------- --------- --------- --------- --------- ------\n"); - resort_rb__for_each(nd, syscall_stats) { + resort_rb__for_each_entry(nd, syscall_stats) { struct stats *stats = syscall_stats_entry->stats; if (stats) { double min = (double)(stats->min) / NSEC_PER_MSEC; @@ -2627,7 +2630,7 @@ static size_t trace__fprintf_thread_summary(struct trace *trace, FILE *fp) return 0; } - resort_rb__for_each(nd, threads) + resort_rb__for_each_entry(nd, threads) printed += trace__fprintf_thread(fp, threads_entry->thread, trace); resort_rb__delete(threads); @@ -2714,7 +2717,7 @@ static void evlist__set_evsel_handler(struct perf_evlist *evlist, void *handler) { struct perf_evsel *evsel; - evlist__for_each(evlist, evsel) + evlist__for_each_entry(evlist, evsel) evsel->handler = handler; } diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index 5ad0255f8756..24803c58049a 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -73,17 +73,25 @@ endif # # make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/ # + +libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code)) +define libunwind_arch_set_flags_code + FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include + FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib +endef + ifdef LIBUNWIND_DIR LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib + LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64 + $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch))) endif -LIBUNWIND_LDFLAGS += $(LIBUNWIND_LIBS) # Set per-feature check compilation flags FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS) -FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) +FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS) -FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) +FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS) ifeq ($(NO_PERF_REGS),0) CFLAGS += -DHAVE_PERF_REGS_SUPPORT @@ -107,7 +115,7 @@ endif FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf -FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/arch/$(ARCH)/include/uapi -I$(srctree)/include/uapi +FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(ARCH)/include/uapi -I$(srctree)/tools/include/uapi # include ARCH specific config -include $(src-perf)/arch/$(ARCH)/Makefile @@ -198,11 +206,11 @@ endif CFLAGS += -I$(src-perf)/util/include CFLAGS += -I$(src-perf)/arch/$(ARCH)/include +CFLAGS += -I$(srctree)/tools/include/uapi CFLAGS += -I$(srctree)/tools/include/ -CFLAGS += -I$(srctree)/arch/$(ARCH)/include/uapi -CFLAGS += -I$(srctree)/arch/$(ARCH)/include -CFLAGS += -I$(srctree)/include/uapi -CFLAGS += -I$(srctree)/include +CFLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/uapi +CFLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/ +CFLAGS += -I$(srctree)/tools/arch/$(ARCH)/ # $(obj-perf) for generated common-cmds.h # $(obj-perf)/util for generated bison/flex headers @@ -249,7 +257,7 @@ else LIBC_SUPPORT := 1 endif ifeq ($(LIBC_SUPPORT),1) - msg := $(warning No libelf found, disables 'probe' tool and BPF support in 'perf record', please install elfutils-libelf-devel/libelf-dev); + msg := $(warning No libelf found, disables 'probe' tool and BPF support in 'perf record', please install libelf-dev, libelf-devel or elfutils-libelf-devel); NO_LIBELF := 1 NO_DWARF := 1 @@ -301,6 +309,16 @@ ifndef NO_LIBELF CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT endif + ifeq ($(feature-libelf-gelf_getnote), 1) + CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT + else + msg := $(warning gelf_getnote() not found on libelf, SDT support disabled); + endif + + ifeq ($(feature-libelf-getshdrstrndx), 1) + CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT + endif + ifndef NO_DWARF ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled); @@ -337,6 +355,16 @@ ifndef NO_LIBELF endif # NO_LIBBPF endif # NO_LIBELF +ifndef NO_SDT + ifneq ($(feature-sdt), 1) + msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev); + NO_SDT := 1; + else + CFLAGS += -DHAVE_SDT_EVENT + $(call detected,CONFIG_SDT_EVENT) + endif +endif + ifdef PERF_HAVE_JITDUMP ifndef NO_DWARF $(call detected,CONFIG_JITDUMP) @@ -351,10 +379,42 @@ ifeq ($(ARCH),powerpc) endif ifndef NO_LIBUNWIND + have_libunwind := + + ifeq ($(feature-libunwind-x86), 1) + $(call detected,CONFIG_LIBUNWIND_X86) + CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT + LDFLAGS += -lunwind-x86 + EXTLIBS_LIBUNWIND += -lunwind-x86 + have_libunwind = 1 + endif + + ifeq ($(feature-libunwind-aarch64), 1) + $(call detected,CONFIG_LIBUNWIND_AARCH64) + CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT + LDFLAGS += -lunwind-aarch64 + EXTLIBS_LIBUNWIND += -lunwind-aarch64 + have_libunwind = 1 + $(call feature_check,libunwind-debug-frame-aarch64) + ifneq ($(feature-libunwind-debug-frame-aarch64), 1) + msg := $(warning No debug_frame support found in libunwind-aarch64); + CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64 + endif + endif + ifneq ($(feature-libunwind), 1) msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR); + NO_LOCAL_LIBUNWIND := 1 + else + have_libunwind := 1 + $(call detected,CONFIG_LOCAL_LIBUNWIND) + endif + + ifneq ($(have_libunwind), 1) NO_LIBUNWIND := 1 endif +else + NO_LOCAL_LIBUNWIND := 1 endif ifndef NO_LIBBPF @@ -392,7 +452,7 @@ else NO_DWARF_UNWIND := 1 endif -ifndef NO_LIBUNWIND +ifndef NO_LOCAL_LIBUNWIND ifeq ($(ARCH),$(filter $(ARCH),arm arm64)) $(call feature_check,libunwind-debug-frame) ifneq ($(feature-libunwind-debug-frame), 1) @@ -403,10 +463,15 @@ ifndef NO_LIBUNWIND # non-ARM has no dwarf_find_debug_frame() function: CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME endif - CFLAGS += -DHAVE_LIBUNWIND_SUPPORT EXTLIBS += $(LIBUNWIND_LIBS) + LDFLAGS += $(LIBUNWIND_LIBS) +endif + +ifndef NO_LIBUNWIND + CFLAGS += -DHAVE_LIBUNWIND_SUPPORT CFLAGS += $(LIBUNWIND_CFLAGS) LDFLAGS += $(LIBUNWIND_LDFLAGS) + EXTLIBS += $(EXTLIBS_LIBUNWIND) endif ifndef NO_LIBAUDIT @@ -437,7 +502,7 @@ endif ifndef NO_SLANG ifneq ($(feature-libslang), 1) - msg := $(warning slang not found, disables TUI support. Please install slang-devel or libslang-dev); + msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev); NO_SLANG := 1 else # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h diff --git a/tools/perf/jvmti/jvmti_agent.c b/tools/perf/jvmti/jvmti_agent.c index 3573f315f955..55daefff0d54 100644 --- a/tools/perf/jvmti/jvmti_agent.c +++ b/tools/perf/jvmti/jvmti_agent.c @@ -59,7 +59,6 @@ static int get_e_machine(struct jitheader *hdr) ssize_t sret; char id[16]; int fd, ret = -1; - int m = -1; struct { uint16_t e_type; uint16_t e_machine; @@ -81,11 +80,7 @@ static int get_e_machine(struct jitheader *hdr) if (sret != sizeof(info)) goto error; - m = info.e_machine; - if (m < 0) - m = 0; /* ELF EM_NONE */ - - hdr->elf_mach = m; + hdr->elf_mach = info.e_machine; ret = 0; error: close(fd); @@ -491,10 +486,11 @@ jvmti_write_debug_info(void *agent, uint64_t code, const char *file, if (sret != 1) goto error; } - if (padding_count) + if (padding_count) { sret = fwrite_unlocked(pad_bytes, padding_count, 1, fp); if (sret != 1) goto error; + } funlockfile(fp); return 0; diff --git a/tools/perf/perf-sys.h b/tools/perf/perf-sys.h index 83a25cef82fd..7ed72a475c57 100644 --- a/tools/perf/perf-sys.h +++ b/tools/perf/perf-sys.h @@ -5,35 +5,18 @@ #include <sys/types.h> #include <sys/syscall.h> #include <linux/types.h> +#include <linux/compiler.h> #include <linux/perf_event.h> #include <asm/barrier.h> #if defined(__i386__) #define cpu_relax() asm volatile("rep; nop" ::: "memory"); #define CPUINFO_PROC {"model name"} -#ifndef __NR_perf_event_open -# define __NR_perf_event_open 336 -#endif -#ifndef __NR_futex -# define __NR_futex 240 -#endif -#ifndef __NR_gettid -# define __NR_gettid 224 -#endif #endif #if defined(__x86_64__) #define cpu_relax() asm volatile("rep; nop" ::: "memory"); #define CPUINFO_PROC {"model name"} -#ifndef __NR_perf_event_open -# define __NR_perf_event_open 298 -#endif -#ifndef __NR_futex -# define __NR_futex 202 -#endif -#ifndef __NR_gettid -# define __NR_gettid 186 -#endif #endif #ifdef __powerpc__ diff --git a/tools/perf/perf.c b/tools/perf/perf.c index 15982cee5ef3..64c06961bfe4 100644 --- a/tools/perf/perf.c +++ b/tools/perf/perf.c @@ -10,7 +10,7 @@ #include "util/env.h" #include <subcmd/exec-cmd.h> -#include "util/cache.h" +#include "util/config.h" #include "util/quote.h" #include <subcmd/run-command.h> #include "util/parse-events.h" @@ -139,8 +139,6 @@ struct option options[] = { OPT_ARGUMENT("html-path", "html-path"), OPT_ARGUMENT("paginate", "paginate"), OPT_ARGUMENT("no-pager", "no-pager"), - OPT_ARGUMENT("perf-dir", "perf-dir"), - OPT_ARGUMENT("work-tree", "work-tree"), OPT_ARGUMENT("debugfs-dir", "debugfs-dir"), OPT_ARGUMENT("buildid-dir", "buildid-dir"), OPT_ARGUMENT("list-cmds", "list-cmds"), @@ -200,35 +198,6 @@ static int handle_options(const char ***argv, int *argc, int *envchanged) use_pager = 0; if (envchanged) *envchanged = 1; - } else if (!strcmp(cmd, "--perf-dir")) { - if (*argc < 2) { - fprintf(stderr, "No directory given for --perf-dir.\n"); - usage(perf_usage_string); - } - setenv(PERF_DIR_ENVIRONMENT, (*argv)[1], 1); - if (envchanged) - *envchanged = 1; - (*argv)++; - (*argc)--; - handled++; - } else if (!prefixcmp(cmd, CMD_PERF_DIR)) { - setenv(PERF_DIR_ENVIRONMENT, cmd + strlen(CMD_PERF_DIR), 1); - if (envchanged) - *envchanged = 1; - } else if (!strcmp(cmd, "--work-tree")) { - if (*argc < 2) { - fprintf(stderr, "No directory given for --work-tree.\n"); - usage(perf_usage_string); - } - setenv(PERF_WORK_TREE_ENVIRONMENT, (*argv)[1], 1); - if (envchanged) - *envchanged = 1; - (*argv)++; - (*argc)--; - } else if (!prefixcmp(cmd, CMD_WORK_TREE)) { - setenv(PERF_WORK_TREE_ENVIRONMENT, cmd + strlen(CMD_WORK_TREE), 1); - if (envchanged) - *envchanged = 1; } else if (!strcmp(cmd, "--debugfs-dir")) { if (*argc < 2) { fprintf(stderr, "No directory given for --debugfs-dir.\n"); @@ -363,11 +332,6 @@ const char perf_version_string[] = PERF_VERSION; #define RUN_SETUP (1<<0) #define USE_PAGER (1<<1) -/* - * require working tree to be present -- anything uses this needs - * RUN_SETUP for reading from the configuration file. - */ -#define NEED_WORK_TREE (1<<2) static int run_builtin(struct cmd_struct *p, int argc, const char **argv) { @@ -391,6 +355,7 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv) perf_env__set_cmdline(&perf_env, argc, argv); status = p->fn(argc, argv, prefix); + perf_config__exit(); exit_browser(status); perf_env__exit(&perf_env); bpf__clear(); @@ -409,7 +374,7 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv) /* Check for ENOSPC and EIO errors.. */ if (fflush(stdout)) { fprintf(stderr, "write failure on standard output: %s", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out; } if (ferror(stdout)) { @@ -418,7 +383,7 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv) } if (fclose(stdout)) { fprintf(stderr, "close failed on standard output: %s", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out; } status = 0; @@ -532,6 +497,16 @@ void pthread__unblock_sigwinch(void) pthread_sigmask(SIG_UNBLOCK, &set, NULL); } +#ifdef _SC_LEVEL1_DCACHE_LINESIZE +#define cache_line_size(cacheline_sizep) *cacheline_sizep = sysconf(_SC_LEVEL1_DCACHE_LINESIZE) +#else +static void cache_line_size(int *cacheline_sizep) +{ + if (sysfs__read_int("devices/system/cpu/cpu0/cache/index0/coherency_line_size", cacheline_sizep)) + pr_debug("cannot determine cache line size"); +} +#endif + int main(int argc, const char **argv) { const char *cmd; @@ -544,7 +519,7 @@ int main(int argc, const char **argv) /* The page_size is placed in util object. */ page_size = sysconf(_SC_PAGE_SIZE); - cacheline_size = sysconf(_SC_LEVEL1_DCACHE_LINESIZE); + cache_line_size(&cacheline_size); if (sysctl__read_int("kernel/perf_event_max_stack", &value) == 0) sysctl_perf_event_max_stack = value; @@ -558,6 +533,7 @@ int main(int argc, const char **argv) srandom(time(NULL)); + perf_config__init(); perf_config(perf_default_config, NULL); set_buildid_dir(NULL); @@ -649,7 +625,7 @@ int main(int argc, const char **argv) } fprintf(stderr, "Failed to run command '%s': %s\n", - cmd, strerror_r(errno, sbuf, sizeof(sbuf))); + cmd, str_error_r(errno, sbuf, sizeof(sbuf))); out: return 1; } diff --git a/tools/perf/perf.h b/tools/perf/perf.h index cd8f1b150f9e..a7e0f1497244 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -59,6 +59,8 @@ struct record_opts { bool record_switch_events; bool all_kernel; bool all_user; + bool tail_synthesize; + bool overwrite; unsigned int freq; unsigned int mmap_pages; unsigned int auxtrace_mmap_pages; diff --git a/tools/perf/python/tracepoint.py b/tools/perf/python/tracepoint.py new file mode 100755 index 000000000000..eb4dbed57de7 --- /dev/null +++ b/tools/perf/python/tracepoint.py @@ -0,0 +1,47 @@ +#! /usr/bin/python +# -*- python -*- +# -*- coding: utf-8 -*- + +import perf + +class tracepoint(perf.evsel): + def __init__(self, sys, name): + config = perf.tracepoint(sys, name) + perf.evsel.__init__(self, + type = perf.TYPE_TRACEPOINT, + config = config, + freq = 0, sample_period = 1, wakeup_events = 1, + sample_type = perf.SAMPLE_PERIOD | perf.SAMPLE_TID | perf.SAMPLE_CPU | perf.SAMPLE_RAW | perf.SAMPLE_TIME) + +def main(): + tp = tracepoint("sched", "sched_switch") + cpus = perf.cpu_map() + threads = perf.thread_map(-1) + + evlist = perf.evlist(cpus, threads) + evlist.add(tp) + evlist.open() + evlist.mmap() + + while True: + evlist.poll(timeout = -1) + for cpu in cpus: + event = evlist.read_on_cpu(cpu) + if not event: + continue + + if not isinstance(event, perf.sample_event): + continue + + print "time %u prev_comm=%s prev_pid=%d prev_prio=%d prev_state=0x%x ==> next_comm=%s next_pid=%d next_prio=%d" % ( + event.sample_time, + event.prev_comm, + event.prev_pid, + event.prev_prio, + event.prev_state, + event.next_comm, + event.next_pid, + event.next_prio) + +if __name__ == '__main__': + main() diff --git a/tools/perf/scripts/python/bin/stackcollapse-record b/tools/perf/scripts/python/bin/stackcollapse-record new file mode 100755 index 000000000000..9d8f9f0f3a17 --- /dev/null +++ b/tools/perf/scripts/python/bin/stackcollapse-record @@ -0,0 +1,8 @@ +#!/bin/sh + +# +# stackcollapse.py can cover all type of perf samples including +# the tracepoints, so no special record requirements, just record what +# you want to analyze. +# +perf record "$@" diff --git a/tools/perf/scripts/python/bin/stackcollapse-report b/tools/perf/scripts/python/bin/stackcollapse-report new file mode 100755 index 000000000000..356b9656393d --- /dev/null +++ b/tools/perf/scripts/python/bin/stackcollapse-report @@ -0,0 +1,3 @@ +#!/bin/sh +# description: produce callgraphs in short form for scripting use +perf script -s "$PERF_EXEC_PATH"/scripts/python/stackcollapse.py -- "$@" diff --git a/tools/perf/scripts/python/netdev-times.py b/tools/perf/scripts/python/netdev-times.py index 4d21ef2d601d..4c6f09ac7d12 100644 --- a/tools/perf/scripts/python/netdev-times.py +++ b/tools/perf/scripts/python/netdev-times.py @@ -252,9 +252,10 @@ def irq__irq_handler_exit(name, context, cpu, sec, nsec, pid, comm, callchain, i event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, irq, ret) all_event_list.append(event_info) -def napi__napi_poll(name, context, cpu, sec, nsec, pid, comm, callchain, napi, dev_name): +def napi__napi_poll(name, context, cpu, sec, nsec, pid, comm, callchain, napi, + dev_name, work=None, budget=None): event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, - napi, dev_name) + napi, dev_name, work, budget) all_event_list.append(event_info) def net__netif_receive_skb(name, context, cpu, sec, nsec, pid, comm, callchain, skbaddr, @@ -354,11 +355,13 @@ def handle_irq_softirq_exit(event_info): receive_hunk_list.append(rec_data) def handle_napi_poll(event_info): - (name, context, cpu, time, pid, comm, napi, dev_name) = event_info + (name, context, cpu, time, pid, comm, napi, dev_name, + work, budget) = event_info if cpu in net_rx_dic.keys(): event_list = net_rx_dic[cpu]['event_list'] rec_data = {'event_name':'napi_poll', - 'dev':dev_name, 'event_t':time} + 'dev':dev_name, 'event_t':time, + 'work':work, 'budget':budget} event_list.append(rec_data) def handle_netif_rx(event_info): diff --git a/tools/perf/scripts/python/stackcollapse.py b/tools/perf/scripts/python/stackcollapse.py new file mode 100755 index 000000000000..5a605f70ef32 --- /dev/null +++ b/tools/perf/scripts/python/stackcollapse.py @@ -0,0 +1,125 @@ +# stackcollapse.py - format perf samples with one line per distinct call stack +# +# This script's output has two space-separated fields. The first is a semicolon +# separated stack including the program name (from the "comm" field) and the +# function names from the call stack. The second is a count: +# +# swapper;start_kernel;rest_init;cpu_idle;default_idle;native_safe_halt 2 +# +# The file is sorted according to the first field. +# +# Input may be created and processed using: +# +# perf record -a -g -F 99 sleep 60 +# perf script report stackcollapse > out.stacks-folded +# +# (perf script record stackcollapse works too). +# +# Written by Paolo Bonzini <pbonzini@redhat.com> +# Based on Brendan Gregg's stackcollapse-perf.pl script. + +import os +import sys +from collections import defaultdict +from optparse import OptionParser, make_option + +sys.path.append(os.environ['PERF_EXEC_PATH'] + \ + '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') + +from perf_trace_context import * +from Core import * +from EventClass import * + +# command line parsing + +option_list = [ + # formatting options for the bottom entry of the stack + make_option("--include-tid", dest="include_tid", + action="store_true", default=False, + help="include thread id in stack"), + make_option("--include-pid", dest="include_pid", + action="store_true", default=False, + help="include process id in stack"), + make_option("--no-comm", dest="include_comm", + action="store_false", default=True, + help="do not separate stacks according to comm"), + make_option("--tidy-java", dest="tidy_java", + action="store_true", default=False, + help="beautify Java signatures"), + make_option("--kernel", dest="annotate_kernel", + action="store_true", default=False, + help="annotate kernel functions with _[k]") +] + +parser = OptionParser(option_list=option_list) +(opts, args) = parser.parse_args() + +if len(args) != 0: + parser.error("unexpected command line argument") +if opts.include_tid and not opts.include_comm: + parser.error("requesting tid but not comm is invalid") +if opts.include_pid and not opts.include_comm: + parser.error("requesting pid but not comm is invalid") + +# event handlers + +lines = defaultdict(lambda: 0) + +def process_event(param_dict): + def tidy_function_name(sym, dso): + if sym is None: + sym = '[unknown]' + + sym = sym.replace(';', ':') + if opts.tidy_java: + # the original stackcollapse-perf.pl script gives the + # example of converting this: + # Lorg/mozilla/javascript/MemberBox;.<init>(Ljava/lang/reflect/Method;)V + # to this: + # org/mozilla/javascript/MemberBox:.init + sym = sym.replace('<', '') + sym = sym.replace('>', '') + if sym[0] == 'L' and sym.find('/'): + sym = sym[1:] + try: + sym = sym[:sym.index('(')] + except ValueError: + pass + + if opts.annotate_kernel and dso == '[kernel.kallsyms]': + return sym + '_[k]' + else: + return sym + + stack = list() + if 'callchain' in param_dict: + for entry in param_dict['callchain']: + entry.setdefault('sym', dict()) + entry['sym'].setdefault('name', None) + entry.setdefault('dso', None) + stack.append(tidy_function_name(entry['sym']['name'], + entry['dso'])) + else: + param_dict.setdefault('symbol', None) + param_dict.setdefault('dso', None) + stack.append(tidy_function_name(param_dict['symbol'], + param_dict['dso'])) + + if opts.include_comm: + comm = param_dict["comm"].replace(' ', '_') + sep = "-" + if opts.include_pid: + comm = comm + sep + str(param_dict['sample']['pid']) + sep = "/" + if opts.include_tid: + comm = comm + sep + str(param_dict['sample']['tid']) + stack.append(comm) + + stack_string = ';'.join(reversed(stack)) + lines[stack_string] = lines[stack_string] + 1 + +def trace_end(): + list = lines.keys() + list.sort() + for stack in list: + print "%s %d" % (stack, lines[stack]) diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build index 66a28982547b..cb20ae1c0d35 100644 --- a/tools/perf/tests/Build +++ b/tools/perf/tests/Build @@ -39,6 +39,8 @@ perf-y += stat.o perf-y += event_update.o perf-y += event-times.o perf-y += backward-ring-buffer.o +perf-y += sdt.o +perf-y += is_printable_array.o $(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c tests/Build $(call rule_mkdir) diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c index d9ba991a9a30..615780cbfe1d 100644 --- a/tools/perf/tests/backward-ring-buffer.c +++ b/tools/perf/tests/backward-ring-buffer.c @@ -31,8 +31,8 @@ static int count_samples(struct perf_evlist *evlist, int *sample_count, for (i = 0; i < evlist->nr_mmaps; i++) { union perf_event *event; - perf_evlist__mmap_read_catchup(evlist, i); - while ((event = perf_evlist__mmap_read_backward(evlist, i)) != NULL) { + perf_mmap__read_catchup(&evlist->backward_mmap[i]); + while ((event = perf_mmap__read_backward(&evlist->backward_mmap[i])) != NULL) { const u32 type = event->header.type; switch (type) { @@ -60,7 +60,7 @@ static int do_test(struct perf_evlist *evlist, int mmap_pages, err = perf_evlist__mmap(evlist, mmap_pages, true); if (err < 0) { pr_debug("perf_evlist__mmap: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); return TEST_FAIL; } @@ -108,7 +108,11 @@ int test__backward_ring_buffer(int subtest __maybe_unused) } bzero(&parse_error, sizeof(parse_error)); - err = parse_events(evlist, "syscalls:sys_enter_prctl", &parse_error); + /* + * Set backward bit, ring buffer should be writing from end. Record + * it in aux evlist + */ + err = parse_events(evlist, "syscalls:sys_enter_prctl/overwrite/", &parse_error); if (err) { pr_debug("Failed to parse tracepoint event, try use root\n"); ret = TEST_SKIP; @@ -117,14 +121,10 @@ int test__backward_ring_buffer(int subtest __maybe_unused) perf_evlist__config(evlist, &opts, NULL); - /* Set backward bit, ring buffer should be writing from end */ - evlist__for_each(evlist, evsel) - evsel->attr.write_backward = 1; - err = perf_evlist__open(evlist); if (err < 0) { pr_debug("perf_evlist__open: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out_delete_evlist; } diff --git a/tools/perf/tests/bpf-script-example.c b/tools/perf/tests/bpf-script-example.c index 0ec9c2c03164..e53bc91fa260 100644 --- a/tools/perf/tests/bpf-script-example.c +++ b/tools/perf/tests/bpf-script-example.c @@ -31,8 +31,8 @@ struct bpf_map_def SEC("maps") flip_table = { .max_entries = 1, }; -SEC("func=sys_epoll_pwait") -int bpf_func__sys_epoll_pwait(void *ctx) +SEC("func=sys_epoll_wait") +int bpf_func__sys_epoll_wait(void *ctx) { int ind =0; int *flag = bpf_map_lookup_elem(&flip_table, &ind); diff --git a/tools/perf/tests/bpf.c b/tools/perf/tests/bpf.c index f31eed31c1a9..fc54064b9186 100644 --- a/tools/perf/tests/bpf.c +++ b/tools/perf/tests/bpf.c @@ -13,13 +13,13 @@ #ifdef HAVE_LIBBPF_SUPPORT -static int epoll_pwait_loop(void) +static int epoll_wait_loop(void) { int i; /* Should fail NR_ITERS times */ for (i = 0; i < NR_ITERS; i++) - epoll_pwait(-(i + 1), NULL, 0, 0, NULL); + epoll_wait(-(i + 1), NULL, 0, 0); return 0; } @@ -61,7 +61,7 @@ static struct { "[basic_bpf_test]", "fix 'perf test LLVM' first", "load bpf object failed", - &epoll_pwait_loop, + &epoll_wait_loop, (NR_ITERS + 1) / 2, }, #ifdef HAVE_BPF_PROLOGUE @@ -143,14 +143,14 @@ static int do_test(struct bpf_object *obj, int (*func)(void), err = perf_evlist__open(evlist); if (err < 0) { pr_debug("perf_evlist__open: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out_delete_evlist; } err = perf_evlist__mmap(evlist, opts.mmap_pages, false); if (err < 0) { pr_debug("perf_evlist__mmap: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out_delete_evlist; } diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 0e95c20ecf6e..10eb30686c9c 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -14,6 +14,8 @@ #include <subcmd/parse-options.h> #include "symbol.h" +static bool dont_fork; + struct test __weak arch_tests[] = { { .func = NULL, @@ -212,6 +214,18 @@ static struct test generic_tests[] = { .func = test__backward_ring_buffer, }, { + .desc = "Test cpu map print", + .func = test__cpu_map_print, + }, + { + .desc = "Test SDT event probing", + .func = test__sdt_event, + }, + { + .desc = "Test is_printable_array function", + .func = test__is_printable_array, + }, + { .func = NULL, }, }; @@ -247,44 +261,51 @@ static bool perf_test__matches(struct test *test, int curr, int argc, const char static int run_test(struct test *test, int subtest) { - int status, err = -1, child = fork(); + int status, err = -1, child = dont_fork ? 0 : fork(); char sbuf[STRERR_BUFSIZE]; if (child < 0) { pr_err("failed to fork test: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); return -1; } if (!child) { - pr_debug("test child forked, pid %d\n", getpid()); - if (!verbose) { - int nullfd = open("/dev/null", O_WRONLY); - if (nullfd >= 0) { - close(STDERR_FILENO); - close(STDOUT_FILENO); - - dup2(nullfd, STDOUT_FILENO); - dup2(STDOUT_FILENO, STDERR_FILENO); - close(nullfd); + if (!dont_fork) { + pr_debug("test child forked, pid %d\n", getpid()); + + if (!verbose) { + int nullfd = open("/dev/null", O_WRONLY); + + if (nullfd >= 0) { + close(STDERR_FILENO); + close(STDOUT_FILENO); + + dup2(nullfd, STDOUT_FILENO); + dup2(STDOUT_FILENO, STDERR_FILENO); + close(nullfd); + } + } else { + signal(SIGSEGV, sighandler_dump_stack); + signal(SIGFPE, sighandler_dump_stack); } - } else { - signal(SIGSEGV, sighandler_dump_stack); - signal(SIGFPE, sighandler_dump_stack); } err = test->func(subtest); - exit(err); + if (!dont_fork) + exit(err); } - wait(&status); + if (!dont_fork) { + wait(&status); - if (WIFEXITED(status)) { - err = (signed char)WEXITSTATUS(status); - pr_debug("test child finished with %d\n", err); - } else if (WIFSIGNALED(status)) { - err = -1; - pr_debug("test child interrupted\n"); + if (WIFEXITED(status)) { + err = (signed char)WEXITSTATUS(status); + pr_debug("test child finished with %d\n", err); + } else if (WIFSIGNALED(status)) { + err = -1; + pr_debug("test child interrupted\n"); + } } return err; @@ -425,6 +446,8 @@ int cmd_test(int argc, const char **argv, const char *prefix __maybe_unused) OPT_STRING('s', "skip", &skip, "tests", "tests to skip"), OPT_INCR('v', "verbose", &verbose, "be more verbose (show symbol address, etc)"), + OPT_BOOLEAN('F', "dont-fork", &dont_fork, + "Do not fork for testcase"), OPT_END() }; const char * const test_subcommands[] = { "list", NULL }; diff --git a/tools/perf/tests/cpumap.c b/tools/perf/tests/cpumap.c index 4cb6418a8ffc..f168a85992d0 100644 --- a/tools/perf/tests/cpumap.c +++ b/tools/perf/tests/cpumap.c @@ -1,5 +1,12 @@ #include "tests.h" +#include <stdio.h> #include "cpumap.h" +#include "event.h" +#include <string.h> +#include <linux/bitops.h> +#include "debug.h" + +struct machine; static int process_event_mask(struct perf_tool *tool __maybe_unused, union perf_event *event, @@ -86,3 +93,27 @@ int test__cpu_map_synthesize(int subtest __maybe_unused) cpu_map__put(cpus); return 0; } + +static int cpu_map_print(const char *str) +{ + struct cpu_map *map = cpu_map__new(str); + char buf[100]; + + if (!map) + return -1; + + cpu_map__snprint(map, buf, sizeof(buf)); + return !strcmp(buf, str); +} + +int test__cpu_map_print(int subtest __maybe_unused) +{ + TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1")); + TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,5")); + TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3,5,7,9,11,13,15,17,19,21-40")); + TEST_ASSERT_VAL("failed to convert map", cpu_map_print("2-5")); + TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3-6,8-10,24,35-37")); + TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1,3-6,8-10,24,35-37")); + TEST_ASSERT_VAL("failed to convert map", cpu_map_print("1-10,12-20,22-30,32-40")); + return 0; +} diff --git a/tools/perf/tests/dso-data.c b/tools/perf/tests/dso-data.c index 8cf0d9e189a8..13725e09ba22 100644 --- a/tools/perf/tests/dso-data.c +++ b/tools/perf/tests/dso-data.c @@ -251,6 +251,9 @@ int test__dso_data_cache(int subtest __maybe_unused) long nr_end, nr = open_files_cnt(); int dso_cnt, limit, i, fd; + /* Rest the internal dso open counter limit. */ + reset_fd_limit(); + memset(&machine, 0, sizeof(machine)); /* set as system limit */ @@ -312,6 +315,9 @@ int test__dso_data_reopen(int subtest __maybe_unused) #define dso_1 (dsos[1]) #define dso_2 (dsos[2]) + /* Rest the internal dso open counter limit. */ + reset_fd_limit(); + memset(&machine, 0, sizeof(machine)); /* diff --git a/tools/perf/tests/event-times.c b/tools/perf/tests/event-times.c index 95fb744f6628..19ef77bd6eb4 100644 --- a/tools/perf/tests/event-times.c +++ b/tools/perf/tests/event-times.c @@ -37,7 +37,7 @@ static int attach__enable_on_exec(struct perf_evlist *evlist) err = perf_evlist__open(evlist); if (err < 0) { pr_debug("perf_evlist__open: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); return err; } @@ -200,8 +200,7 @@ static int test_times(int (attach)(struct perf_evlist *), count.ena, count.run); out_err: - if (evlist) - perf_evlist__delete(evlist); + perf_evlist__delete(evlist); return !err ? TEST_OK : TEST_FAIL; } diff --git a/tools/perf/tests/evsel-roundtrip-name.c b/tools/perf/tests/evsel-roundtrip-name.c index 2de4a4f2c3ed..60926a1f6fd7 100644 --- a/tools/perf/tests/evsel-roundtrip-name.c +++ b/tools/perf/tests/evsel-roundtrip-name.c @@ -80,7 +80,7 @@ static int __perf_evsel__name_array_test(const char *names[], int nr_names) } err = 0; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (strcmp(perf_evsel__name(evsel), names[evsel->idx])) { --err; pr_debug("%s != %s\n", perf_evsel__name(evsel), names[evsel->idx]); diff --git a/tools/perf/tests/fdarray.c b/tools/perf/tests/fdarray.c index c809463edbe5..a2b5ff9bf83d 100644 --- a/tools/perf/tests/fdarray.c +++ b/tools/perf/tests/fdarray.c @@ -1,4 +1,5 @@ #include <api/fd/array.h> +#include <poll.h> #include "util/debug.h" #include "tests/tests.h" @@ -36,7 +37,7 @@ int test__fdarray__filter(int subtest __maybe_unused) } fdarray__init_revents(fda, POLLIN); - nr_fds = fdarray__filter(fda, POLLHUP, NULL); + nr_fds = fdarray__filter(fda, POLLHUP, NULL, NULL); if (nr_fds != fda->nr_alloc) { pr_debug("\nfdarray__filter()=%d != %d shouldn't have filtered anything", nr_fds, fda->nr_alloc); @@ -44,7 +45,7 @@ int test__fdarray__filter(int subtest __maybe_unused) } fdarray__init_revents(fda, POLLHUP); - nr_fds = fdarray__filter(fda, POLLHUP, NULL); + nr_fds = fdarray__filter(fda, POLLHUP, NULL, NULL); if (nr_fds != 0) { pr_debug("\nfdarray__filter()=%d != %d, should have filtered all fds", nr_fds, fda->nr_alloc); @@ -57,7 +58,7 @@ int test__fdarray__filter(int subtest __maybe_unused) pr_debug("\nfiltering all but fda->entries[2]:"); fdarray__fprintf_prefix(fda, "before", stderr); - nr_fds = fdarray__filter(fda, POLLHUP, NULL); + nr_fds = fdarray__filter(fda, POLLHUP, NULL, NULL); fdarray__fprintf_prefix(fda, " after", stderr); if (nr_fds != 1) { pr_debug("\nfdarray__filter()=%d != 1, should have left just one event", nr_fds); @@ -78,7 +79,7 @@ int test__fdarray__filter(int subtest __maybe_unused) pr_debug("\nfiltering all but (fda->entries[0], fda->entries[3]):"); fdarray__fprintf_prefix(fda, "before", stderr); - nr_fds = fdarray__filter(fda, POLLHUP, NULL); + nr_fds = fdarray__filter(fda, POLLHUP, NULL, NULL); fdarray__fprintf_prefix(fda, " after", stderr); if (nr_fds != 2) { pr_debug("\nfdarray__filter()=%d != 2, should have left just two events", diff --git a/tools/perf/tests/hists_cumulate.c b/tools/perf/tests/hists_cumulate.c index a9e3db3afac4..9fd54b79a788 100644 --- a/tools/perf/tests/hists_cumulate.c +++ b/tools/perf/tests/hists_cumulate.c @@ -216,6 +216,8 @@ static int do_test(struct hists *hists, struct result *expected, size_t nr_expec /* check callchain entries */ root = &he->callchain->node.rb_root; + + TEST_ASSERT_VAL("callchains expected", !RB_EMPTY_ROOT(root)); cnode = rb_entry(rb_first(root), struct callchain_node, rb_node); c = 0; @@ -666,6 +668,8 @@ static int test4(struct perf_evsel *evsel, struct machine *machine) perf_evsel__set_sample_bit(evsel, CALLCHAIN); setup_sorting(NULL); + + callchain_param = callchain_param_default; callchain_register_param(&callchain_param); err = add_hist_entries(hists, machine); diff --git a/tools/perf/tests/hists_filter.c b/tools/perf/tests/hists_filter.c index e846f8c42013..62efb14f3a5a 100644 --- a/tools/perf/tests/hists_filter.c +++ b/tools/perf/tests/hists_filter.c @@ -56,7 +56,7 @@ static int add_hist_entries(struct perf_evlist *evlist, * (perf [perf] main) will be collapsed to an existing entry * so total 9 entries will be in the tree. */ - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { struct hist_entry_iter iter = { .evsel = evsel, @@ -136,7 +136,7 @@ int test__hists_filter(int subtest __maybe_unused) if (err < 0) goto out; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { struct hists *hists = evsel__hists(evsel); hists__collapse_resort(hists, NULL); diff --git a/tools/perf/tests/hists_link.c b/tools/perf/tests/hists_link.c index acf5a1301c07..eddc7407ff8a 100644 --- a/tools/perf/tests/hists_link.c +++ b/tools/perf/tests/hists_link.c @@ -72,7 +72,7 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine) * However the second evsel also has a collapsed entry for * "bash [libc] malloc" so total 9 entries will be in the tree. */ - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { struct hists *hists = evsel__hists(evsel); for (k = 0; k < ARRAY_SIZE(fake_common_samples); k++) { @@ -84,7 +84,7 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine) if (machine__resolve(machine, &al, &sample) < 0) goto out; - he = __hists__add_entry(hists, &al, NULL, + he = hists__add_entry(hists, &al, NULL, NULL, NULL, &sample, true); if (he == NULL) { addr_location__put(&al); @@ -103,7 +103,7 @@ static int add_hist_entries(struct perf_evlist *evlist, struct machine *machine) if (machine__resolve(machine, &al, &sample) < 0) goto out; - he = __hists__add_entry(hists, &al, NULL, + he = hists__add_entry(hists, &al, NULL, NULL, NULL, &sample, true); if (he == NULL) { addr_location__put(&al); @@ -301,7 +301,7 @@ int test__hists_link(int subtest __maybe_unused) if (err < 0) goto out; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { hists = evsel__hists(evsel); hists__collapse_resort(hists, NULL); diff --git a/tools/perf/tests/is_printable_array.c b/tools/perf/tests/is_printable_array.c new file mode 100644 index 000000000000..42e13393e502 --- /dev/null +++ b/tools/perf/tests/is_printable_array.c @@ -0,0 +1,36 @@ +#include <linux/compiler.h> +#include "tests.h" +#include "debug.h" +#include "util.h" + +int test__is_printable_array(int subtest __maybe_unused) +{ + char buf1[] = { 'k', 'r', 4, 'v', 'a', 0 }; + char buf2[] = { 'k', 'r', 'a', 'v', 4, 0 }; + struct { + char *buf; + unsigned int len; + int ret; + } t[] = { + { (char *) "krava", sizeof("krava"), 1 }, + { (char *) "krava", sizeof("krava") - 1, 0 }, + { (char *) "", sizeof(""), 1 }, + { (char *) "", 0, 0 }, + { NULL, 0, 0 }, + { buf1, sizeof(buf1), 0 }, + { buf2, sizeof(buf2), 0 }, + }; + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(t); i++) { + int ret; + + ret = is_printable_array((char *) t[i].buf, t[i].len); + if (ret != t[i].ret) { + pr_err("failed: test %u\n", i); + return TEST_FAIL; + } + } + + return TEST_OK; +} diff --git a/tools/perf/tests/kmod-path.c b/tools/perf/tests/kmod-path.c index d2af78193153..76f41f249944 100644 --- a/tools/perf/tests/kmod-path.c +++ b/tools/perf/tests/kmod-path.c @@ -1,4 +1,5 @@ #include <stdbool.h> +#include <stdlib.h> #include "tests.h" #include "dso.h" #include "debug.h" diff --git a/tools/perf/tests/llvm.c b/tools/perf/tests/llvm.c index cff564fb4b66..b798a4bfd238 100644 --- a/tools/perf/tests/llvm.c +++ b/tools/perf/tests/llvm.c @@ -5,6 +5,7 @@ #include "llvm.h" #include "tests.h" #include "debug.h" +#include "util.h" #ifdef HAVE_LIBBPF_SUPPORT static int test__bpf_parsing(void *obj_buf, size_t obj_buf_sz) diff --git a/tools/perf/tests/make b/tools/perf/tests/make index cac15d93aea6..143f4d549769 100644 --- a/tools/perf/tests/make +++ b/tools/perf/tests/make @@ -81,6 +81,8 @@ make_no_libbionic := NO_LIBBIONIC=1 make_no_auxtrace := NO_AUXTRACE=1 make_no_libbpf := NO_LIBBPF=1 make_no_libcrypto := NO_LIBCRYPTO=1 +make_with_babeltrace:= LIBBABELTRACE=1 +make_no_sdt := NO_SDT=1 make_tags := tags make_cscope := cscope make_help := help @@ -104,7 +106,7 @@ make_minimal := NO_LIBPERL=1 NO_LIBPYTHON=1 NO_NEWT=1 NO_GTK2=1 make_minimal += NO_DEMANGLE=1 NO_LIBELF=1 NO_LIBUNWIND=1 NO_BACKTRACE=1 make_minimal += NO_LIBNUMA=1 NO_LIBAUDIT=1 NO_LIBBIONIC=1 make_minimal += NO_LIBDW_DWARF_UNWIND=1 NO_AUXTRACE=1 NO_LIBBPF=1 -make_minimal += NO_LIBCRYPTO=1 +make_minimal += NO_LIBCRYPTO=1 NO_SDT=1 # $(run) contains all available tests run := make_pure @@ -136,6 +138,7 @@ run += make_no_libaudit run += make_no_libbionic run += make_no_auxtrace run += make_no_libbpf +run += make_with_babeltrace run += make_help run += make_doc run += make_perf_o diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c index 359e98fcd94c..634bce9caebd 100644 --- a/tools/perf/tests/mmap-basic.c +++ b/tools/perf/tests/mmap-basic.c @@ -1,3 +1,6 @@ +/* For the CLR_() macros */ +#include <pthread.h> + #include "evlist.h" #include "evsel.h" #include "thread_map.h" @@ -49,7 +52,7 @@ int test__basic_mmap(int subtest __maybe_unused) sched_setaffinity(0, sizeof(cpu_set), &cpu_set); if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) { pr_debug("sched_setaffinity() failed on CPU %d: %s ", - cpus->map[0], strerror_r(errno, sbuf, sizeof(sbuf))); + cpus->map[0], str_error_r(errno, sbuf, sizeof(sbuf))); goto out_free_cpus; } @@ -79,7 +82,7 @@ int test__basic_mmap(int subtest __maybe_unused) if (perf_evsel__open(evsels[i], cpus, threads) < 0) { pr_debug("failed to open counter: %s, " "tweak /proc/sys/kernel/perf_event_paranoid?\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out_delete_evlist; } @@ -89,7 +92,7 @@ int test__basic_mmap(int subtest __maybe_unused) if (perf_evlist__mmap(evlist, 128, true) < 0) { pr_debug("failed to mmap events: %d (%s)\n", errno, - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out_delete_evlist; } @@ -126,7 +129,7 @@ int test__basic_mmap(int subtest __maybe_unused) } err = 0; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (nr_events[evsel->idx] != expected_nr_events[evsel->idx]) { pr_debug("expected %d %s events, got %d\n", expected_nr_events[evsel->idx], diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c index ad1cb63139a7..c8d9592eb142 100644 --- a/tools/perf/tests/openat-syscall-all-cpus.c +++ b/tools/perf/tests/openat-syscall-all-cpus.c @@ -1,3 +1,6 @@ +/* For the CPU_* macros */ +#include <pthread.h> + #include <api/fs/fs.h> #include <linux/err.h> #include "evsel.h" @@ -41,7 +44,7 @@ int test__openat_syscall_event_on_all_cpus(int subtest __maybe_unused) if (perf_evsel__open(evsel, cpus, threads) < 0) { pr_debug("failed to open counter: %s, " "tweak /proc/sys/kernel/perf_event_paranoid?\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out_evsel_delete; } @@ -62,7 +65,7 @@ int test__openat_syscall_event_on_all_cpus(int subtest __maybe_unused) if (sched_setaffinity(0, sizeof(cpu_set), &cpu_set) < 0) { pr_debug("sched_setaffinity() failed on CPU %d: %s ", cpus->map[cpu], - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out_close_fd; } for (i = 0; i < ncalls; ++i) { diff --git a/tools/perf/tests/openat-syscall-tp-fields.c b/tools/perf/tests/openat-syscall-tp-fields.c index 4344fe482c1d..f52239fed361 100644 --- a/tools/perf/tests/openat-syscall-tp-fields.c +++ b/tools/perf/tests/openat-syscall-tp-fields.c @@ -6,6 +6,13 @@ #include "tests.h" #include "debug.h" +#ifndef O_DIRECTORY +#define O_DIRECTORY 00200000 +#endif +#ifndef AT_FDCWD +#define AT_FDCWD -100 +#endif + int test__syscall_openat_tp_fields(int subtest __maybe_unused) { struct record_opts opts = { @@ -51,14 +58,14 @@ int test__syscall_openat_tp_fields(int subtest __maybe_unused) err = perf_evlist__open(evlist); if (err < 0) { pr_debug("perf_evlist__open: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out_delete_evlist; } err = perf_evlist__mmap(evlist, UINT_MAX, false); if (err < 0) { pr_debug("perf_evlist__mmap: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out_delete_evlist; } diff --git a/tools/perf/tests/openat-syscall.c b/tools/perf/tests/openat-syscall.c index 1184f9ba6499..d7414128d7fe 100644 --- a/tools/perf/tests/openat-syscall.c +++ b/tools/perf/tests/openat-syscall.c @@ -29,7 +29,7 @@ int test__openat_syscall_event(int subtest __maybe_unused) if (perf_evsel__open_per_thread(evsel, threads) < 0) { pr_debug("failed to open counter: %s, " "tweak /proc/sys/kernel/perf_event_paranoid?\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out_evsel_delete; } diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c index 7865f68dc0d8..20c2e641c422 100644 --- a/tools/perf/tests/parse-events.c +++ b/tools/perf/tests/parse-events.c @@ -32,7 +32,7 @@ static int test__checkevent_tracepoint_multi(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong number of entries", evlist->nr_entries > 1); TEST_ASSERT_VAL("wrong number of groups", 0 == evlist->nr_groups); - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { TEST_ASSERT_VAL("wrong type", PERF_TYPE_TRACEPOINT == evsel->attr.type); TEST_ASSERT_VAL("wrong sample_type", @@ -207,7 +207,7 @@ test__checkevent_tracepoint_multi_modifier(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong number of entries", evlist->nr_entries > 1); - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", @@ -1783,8 +1783,8 @@ static int test_pmu_events(void) struct evlist_test e; char name[MAX_NAME]; - if (!strcmp(ent->d_name, ".") || - !strcmp(ent->d_name, "..")) + /* Names containing . are special and cannot be used directly */ + if (strchr(ent->d_name, '.')) continue; snprintf(name, MAX_NAME, "cpu/event=%s/u", ent->d_name); diff --git a/tools/perf/tests/parse-no-sample-id-all.c b/tools/perf/tests/parse-no-sample-id-all.c index 294c76b01b41..81c6eeaca0f5 100644 --- a/tools/perf/tests/parse-no-sample-id-all.c +++ b/tools/perf/tests/parse-no-sample-id-all.c @@ -44,8 +44,7 @@ static int process_events(union perf_event **events, size_t count) for (i = 0; i < count && !err; i++) err = process_event(&evlist, events[i]); - if (evlist) - perf_evlist__delete(evlist); + perf_evlist__delete(evlist); return err; } diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c index b836ee6a8d9b..8f2e1de6d0ea 100644 --- a/tools/perf/tests/perf-record.c +++ b/tools/perf/tests/perf-record.c @@ -1,3 +1,6 @@ +/* For the CLR_() macros */ +#include <pthread.h> + #include <sched.h> #include "evlist.h" #include "evsel.h" @@ -104,7 +107,7 @@ int test__PERF_RECORD(int subtest __maybe_unused) err = sched__get_first_possible_cpu(evlist->workload.pid, &cpu_mask); if (err < 0) { pr_debug("sched__get_first_possible_cpu: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out_delete_evlist; } @@ -115,7 +118,7 @@ int test__PERF_RECORD(int subtest __maybe_unused) */ if (sched_setaffinity(evlist->workload.pid, cpu_mask_size, &cpu_mask) < 0) { pr_debug("sched_setaffinity: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out_delete_evlist; } @@ -126,7 +129,7 @@ int test__PERF_RECORD(int subtest __maybe_unused) err = perf_evlist__open(evlist); if (err < 0) { pr_debug("perf_evlist__open: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out_delete_evlist; } @@ -138,7 +141,7 @@ int test__PERF_RECORD(int subtest __maybe_unused) err = perf_evlist__mmap(evlist, opts.mmap_pages, false); if (err < 0) { pr_debug("perf_evlist__mmap: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out_delete_evlist; } diff --git a/tools/perf/tests/sdt.c b/tools/perf/tests/sdt.c new file mode 100644 index 000000000000..f59d210e1baf --- /dev/null +++ b/tools/perf/tests/sdt.c @@ -0,0 +1,115 @@ +#include <stdio.h> +#include <sys/epoll.h> +#include <util/util.h> +#include <util/evlist.h> +#include <linux/filter.h> +#include "tests.h" +#include "debug.h" +#include "probe-file.h" +#include "build-id.h" + +/* To test SDT event, we need libelf support to scan elf binary */ +#if defined(HAVE_SDT_EVENT) && defined(HAVE_LIBELF_SUPPORT) + +#include <sys/sdt.h> + +static int target_function(void) +{ + DTRACE_PROBE(perf, test_target); + return TEST_OK; +} + +/* Copied from builtin-buildid-cache.c */ +static int build_id_cache__add_file(const char *filename) +{ + char sbuild_id[SBUILD_ID_SIZE]; + u8 build_id[BUILD_ID_SIZE]; + int err; + + err = filename__read_build_id(filename, &build_id, sizeof(build_id)); + if (err < 0) { + pr_debug("Failed to read build id of %s\n", filename); + return err; + } + + build_id__sprintf(build_id, sizeof(build_id), sbuild_id); + err = build_id_cache__add_s(sbuild_id, filename, false, false); + if (err < 0) + pr_debug("Failed to add build id cache of %s\n", filename); + return err; +} + +static char *get_self_path(void) +{ + char *buf = calloc(PATH_MAX, sizeof(char)); + + if (buf && readlink("/proc/self/exe", buf, PATH_MAX) < 0) { + pr_debug("Failed to get correct path of perf\n"); + free(buf); + return NULL; + } + return buf; +} + +static int search_cached_probe(const char *target, + const char *group, const char *event) +{ + struct probe_cache *cache = probe_cache__new(target); + int ret = 0; + + if (!cache) { + pr_debug("Failed to open probe cache of %s\n", target); + return -EINVAL; + } + + if (!probe_cache__find_by_name(cache, group, event)) { + pr_debug("Failed to find %s:%s in the cache\n", group, event); + ret = -ENOENT; + } + probe_cache__delete(cache); + + return ret; +} + +int test__sdt_event(int subtests __maybe_unused) +{ + int ret = TEST_FAIL; + char __tempdir[] = "./test-buildid-XXXXXX"; + char *tempdir = NULL, *myself = get_self_path(); + + if (myself == NULL || mkdtemp(__tempdir) == NULL) { + pr_debug("Failed to make a tempdir for build-id cache\n"); + goto error; + } + /* Note that buildid_dir must be an absolute path */ + tempdir = realpath(__tempdir, NULL); + + /* At first, scan itself */ + set_buildid_dir(tempdir); + if (build_id_cache__add_file(myself) < 0) + goto error_rmdir; + + /* Open a cache and make sure the SDT is stored */ + if (search_cached_probe(myself, "sdt_perf", "test_target") < 0) + goto error_rmdir; + + /* TBD: probing on the SDT event and collect logs */ + + /* Call the target and get an event */ + ret = target_function(); + +error_rmdir: + /* Cleanup temporary buildid dir */ + rm_rf(tempdir); +error: + free(tempdir); + free(myself); + return ret; +} +#else +int test__sdt_event(int subtests __maybe_unused) +{ + pr_debug("Skip SDT event test because SDT support is not compiled\n"); + return TEST_SKIP; +} +#endif diff --git a/tools/perf/tests/sw-clock.c b/tools/perf/tests/sw-clock.c index 36e8ce1550e3..4c9fd046d57b 100644 --- a/tools/perf/tests/sw-clock.c +++ b/tools/perf/tests/sw-clock.c @@ -70,7 +70,7 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) err = -errno; pr_debug("Couldn't open evlist: %s\nHint: check %s, using %" PRIu64 " in this test.\n", - strerror_r(errno, sbuf, sizeof(sbuf)), + str_error_r(errno, sbuf, sizeof(sbuf)), knob, (u64)attr.sample_freq); goto out_delete_evlist; } @@ -78,7 +78,7 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) err = perf_evlist__mmap(evlist, 128, true); if (err < 0) { pr_debug("failed to mmap event: %d (%s)\n", errno, - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out_delete_evlist; } diff --git a/tools/perf/tests/switch-tracking.c b/tools/perf/tests/switch-tracking.c index 39a689bf7574..7ddbe267d0ac 100644 --- a/tools/perf/tests/switch-tracking.c +++ b/tools/perf/tests/switch-tracking.c @@ -432,7 +432,7 @@ int test__switch_tracking(int subtest __maybe_unused) } /* Check non-tracking events are not tracking */ - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (evsel != tracking_evsel) { if (evsel->attr.mmap || evsel->attr.comm) { pr_debug("Non-tracking event is tracking\n"); diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c index 2dfff7ac8ef3..01a5ba2788c6 100644 --- a/tools/perf/tests/task-exit.c +++ b/tools/perf/tests/task-exit.c @@ -91,13 +91,13 @@ int test__task_exit(int subtest __maybe_unused) err = perf_evlist__open(evlist); if (err < 0) { pr_debug("Couldn't open the evlist: %s\n", - strerror_r(-err, sbuf, sizeof(sbuf))); + str_error_r(-err, sbuf, sizeof(sbuf))); goto out_delete_evlist; } if (perf_evlist__mmap(evlist, 128, true) < 0) { pr_debug("failed to mmap events: %d (%s)\n", errno, - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); goto out_delete_evlist; } diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index c57e72c826d2..9bfc0e06c61a 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -87,6 +87,9 @@ int test__synthesize_stat_round(int subtest); int test__event_update(int subtest); int test__event_times(int subtest); int test__backward_ring_buffer(int subtest); +int test__cpu_map_print(int subtest); +int test__sdt_event(int subtest); +int test__is_printable_array(int subtest); #if defined(__arm__) || defined(__aarch64__) #ifdef HAVE_DWARF_UNWIND_SUPPORT diff --git a/tools/perf/tests/thread-map.c b/tools/perf/tests/thread-map.c index fccde848fe9c..cee2a2cdc933 100644 --- a/tools/perf/tests/thread-map.c +++ b/tools/perf/tests/thread-map.c @@ -1,13 +1,20 @@ #include <sys/types.h> #include <unistd.h> +#include <sys/prctl.h> #include "tests.h" #include "thread_map.h" #include "debug.h" +#define NAME (const char *) "perf" +#define NAMEUL (unsigned long) NAME + int test__thread_map(int subtest __maybe_unused) { struct thread_map *map; + TEST_ASSERT_VAL("failed to set process name", + !prctl(PR_SET_NAME, NAMEUL, 0, 0, 0)); + /* test map on current pid */ map = thread_map__new_by_pid(getpid()); TEST_ASSERT_VAL("failed to alloc map", map); @@ -19,7 +26,7 @@ int test__thread_map(int subtest __maybe_unused) thread_map__pid(map, 0) == getpid()); TEST_ASSERT_VAL("wrong comm", thread_map__comm(map, 0) && - !strcmp(thread_map__comm(map, 0), "perf")); + !strcmp(thread_map__comm(map, 0), NAME)); TEST_ASSERT_VAL("wrong refcnt", atomic_read(&map->refcnt) == 1); thread_map__put(map); @@ -51,7 +58,7 @@ static int process_event(struct perf_tool *tool __maybe_unused, TEST_ASSERT_VAL("wrong nr", map->nr == 1); TEST_ASSERT_VAL("wrong pid", map->entries[0].pid == (u64) getpid()); - TEST_ASSERT_VAL("wrong comm", !strcmp(map->entries[0].comm, "perf")); + TEST_ASSERT_VAL("wrong comm", !strcmp(map->entries[0].comm, NAME)); threads = thread_map__new_event(&event->thread_map); TEST_ASSERT_VAL("failed to alloc map", threads); @@ -61,7 +68,7 @@ static int process_event(struct perf_tool *tool __maybe_unused, thread_map__pid(threads, 0) == getpid()); TEST_ASSERT_VAL("wrong comm", thread_map__comm(threads, 0) && - !strcmp(thread_map__comm(threads, 0), "perf")); + !strcmp(thread_map__comm(threads, 0), NAME)); TEST_ASSERT_VAL("wrong refcnt", atomic_read(&threads->refcnt) == 1); thread_map__put(threads); @@ -72,6 +79,9 @@ int test__thread_map_synthesize(int subtest __maybe_unused) { struct thread_map *threads; + TEST_ASSERT_VAL("failed to set process name", + !prctl(PR_SET_NAME, NAMEUL, 0, 0, 0)); + /* test map on current pid */ threads = thread_map__new_by_pid(getpid()); TEST_ASSERT_VAL("failed to alloc map", threads); diff --git a/tools/perf/trace/beauty/eventfd.c b/tools/perf/trace/beauty/eventfd.c index d64f4a9128a1..b08f21eb6f4d 100644 --- a/tools/perf/trace/beauty/eventfd.c +++ b/tools/perf/trace/beauty/eventfd.c @@ -1,5 +1,3 @@ -#include <sys/eventfd.h> - #ifndef EFD_SEMAPHORE #define EFD_SEMAPHORE 1 #endif diff --git a/tools/perf/trace/beauty/flock.c b/tools/perf/trace/beauty/flock.c index 021bb48c6336..74613703a14e 100644 --- a/tools/perf/trace/beauty/flock.c +++ b/tools/perf/trace/beauty/flock.c @@ -1,3 +1,20 @@ +#include <fcntl.h> + +#ifndef LOCK_MAND +#define LOCK_MAND 32 +#endif + +#ifndef LOCK_READ +#define LOCK_READ 64 +#endif + +#ifndef LOCK_WRITE +#define LOCK_WRITE 128 +#endif + +#ifndef LOCK_RW +#define LOCK_RW 192 +#endif static size_t syscall_arg__scnprintf_flock(char *bf, size_t size, struct syscall_arg *arg) diff --git a/tools/perf/trace/beauty/futex_op.c b/tools/perf/trace/beauty/futex_op.c index e2476211f22d..bfd3359b09b6 100644 --- a/tools/perf/trace/beauty/futex_op.c +++ b/tools/perf/trace/beauty/futex_op.c @@ -1,5 +1,21 @@ #include <linux/futex.h> +#ifndef FUTEX_WAIT_BITSET +#define FUTEX_WAIT_BITSET 9 +#endif +#ifndef FUTEX_WAKE_BITSET +#define FUTEX_WAKE_BITSET 10 +#endif +#ifndef FUTEX_WAIT_REQUEUE_PI +#define FUTEX_WAIT_REQUEUE_PI 11 +#endif +#ifndef FUTEX_CMP_REQUEUE_PI +#define FUTEX_CMP_REQUEUE_PI 12 +#endif +#ifndef FUTEX_CLOCK_REALTIME +#define FUTEX_CLOCK_REALTIME 256 +#endif + static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, struct syscall_arg *arg) { enum syscall_futex_args { diff --git a/tools/perf/trace/beauty/mmap.c b/tools/perf/trace/beauty/mmap.c index 3444a4d5382d..d0a3a8e402e7 100644 --- a/tools/perf/trace/beauty/mmap.c +++ b/tools/perf/trace/beauty/mmap.c @@ -1,5 +1,9 @@ #include <sys/mman.h> +#ifndef PROT_SEM +#define PROT_SEM 0x8 +#endif + static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, struct syscall_arg *arg) { @@ -16,9 +20,7 @@ static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, P_MMAP_PROT(EXEC); P_MMAP_PROT(READ); P_MMAP_PROT(WRITE); -#ifdef PROT_SEM P_MMAP_PROT(SEM); -#endif P_MMAP_PROT(GROWSDOWN); P_MMAP_PROT(GROWSUP); #undef P_MMAP_PROT @@ -31,10 +33,31 @@ static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, #define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot +#ifndef MAP_FIXED +#define MAP_FIXED 0x10 +#endif + +#ifndef MAP_ANONYMOUS +#define MAP_ANONYMOUS 0x20 +#endif + +#ifndef MAP_32BIT +#define MAP_32BIT 0x40 +#endif + #ifndef MAP_STACK -# define MAP_STACK 0x20000 +#define MAP_STACK 0x20000 #endif +#ifndef MAP_HUGETLB +#define MAP_HUGETLB 0x40000 +#endif + +#ifndef MAP_UNINITIALIZED +#define MAP_UNINITIALIZED 0x4000000 +#endif + + static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, struct syscall_arg *arg) { @@ -48,26 +71,20 @@ static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, P_MMAP_FLAG(SHARED); P_MMAP_FLAG(PRIVATE); -#ifdef MAP_32BIT P_MMAP_FLAG(32BIT); -#endif P_MMAP_FLAG(ANONYMOUS); P_MMAP_FLAG(DENYWRITE); P_MMAP_FLAG(EXECUTABLE); P_MMAP_FLAG(FILE); P_MMAP_FLAG(FIXED); P_MMAP_FLAG(GROWSDOWN); -#ifdef MAP_HUGETLB P_MMAP_FLAG(HUGETLB); -#endif P_MMAP_FLAG(LOCKED); P_MMAP_FLAG(NONBLOCK); P_MMAP_FLAG(NORESERVE); P_MMAP_FLAG(POPULATE); P_MMAP_FLAG(STACK); -#ifdef MAP_UNINITIALIZED P_MMAP_FLAG(UNINITIALIZED); -#endif #undef P_MMAP_FLAG if (flags) @@ -78,6 +95,13 @@ static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, #define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags +#ifndef MREMAP_MAYMOVE +#define MREMAP_MAYMOVE 1 +#endif +#ifndef MREMAP_FIXED +#define MREMAP_FIXED 2 +#endif + static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size, struct syscall_arg *arg) { @@ -90,9 +114,7 @@ static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size, } P_MREMAP_FLAG(MAYMOVE); -#ifdef MREMAP_FIXED P_MREMAP_FLAG(FIXED); -#endif #undef P_MREMAP_FLAG if (flags) @@ -107,6 +129,10 @@ static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size, #define MADV_HWPOISON 100 #endif +#ifndef MADV_SOFT_OFFLINE +#define MADV_SOFT_OFFLINE 101 +#endif + #ifndef MADV_MERGEABLE #define MADV_MERGEABLE 12 #endif @@ -115,6 +141,23 @@ static size_t syscall_arg__scnprintf_mremap_flags(char *bf, size_t size, #define MADV_UNMERGEABLE 13 #endif +#ifndef MADV_HUGEPAGE +#define MADV_HUGEPAGE 14 +#endif + +#ifndef MADV_NOHUGEPAGE +#define MADV_NOHUGEPAGE 15 +#endif + +#ifndef MADV_DONTDUMP +#define MADV_DONTDUMP 16 +#endif + +#ifndef MADV_DODUMP +#define MADV_DODUMP 17 +#endif + + static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, struct syscall_arg *arg) { @@ -131,24 +174,14 @@ static size_t syscall_arg__scnprintf_madvise_behavior(char *bf, size_t size, P_MADV_BHV(DONTFORK); P_MADV_BHV(DOFORK); P_MADV_BHV(HWPOISON); -#ifdef MADV_SOFT_OFFLINE P_MADV_BHV(SOFT_OFFLINE); -#endif P_MADV_BHV(MERGEABLE); P_MADV_BHV(UNMERGEABLE); -#ifdef MADV_HUGEPAGE P_MADV_BHV(HUGEPAGE); -#endif -#ifdef MADV_NOHUGEPAGE P_MADV_BHV(NOHUGEPAGE); -#endif -#ifdef MADV_DONTDUMP P_MADV_BHV(DONTDUMP); -#endif -#ifdef MADV_DODUMP P_MADV_BHV(DODUMP); -#endif -#undef P_MADV_PHV +#undef P_MADV_BHV default: break; } diff --git a/tools/perf/trace/beauty/msg_flags.c b/tools/perf/trace/beauty/msg_flags.c index 07fa8a0acad6..1106c8960cc4 100644 --- a/tools/perf/trace/beauty/msg_flags.c +++ b/tools/perf/trace/beauty/msg_flags.c @@ -33,7 +33,6 @@ static size_t syscall_arg__scnprintf_msg_flags(char *bf, size_t size, P_MSG_FLAG(OOB); P_MSG_FLAG(PEEK); P_MSG_FLAG(DONTROUTE); - P_MSG_FLAG(TRYHARD); P_MSG_FLAG(CTRUNC); P_MSG_FLAG(PROBE); P_MSG_FLAG(TRUNC); diff --git a/tools/perf/trace/beauty/open_flags.c b/tools/perf/trace/beauty/open_flags.c index 0f3679e0cdcf..f55a4597fc38 100644 --- a/tools/perf/trace/beauty/open_flags.c +++ b/tools/perf/trace/beauty/open_flags.c @@ -1,3 +1,18 @@ +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> + +#ifndef O_DIRECT +#define O_DIRECT 00040000 +#endif + +#ifndef O_DIRECTORY +#define O_DIRECTORY 00200000 +#endif + +#ifndef O_NOATIME +#define O_NOATIME 01000000 +#endif static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, struct syscall_arg *arg) diff --git a/tools/perf/trace/beauty/sched_policy.c b/tools/perf/trace/beauty/sched_policy.c index c205bc608b3c..34775295b9b3 100644 --- a/tools/perf/trace/beauty/sched_policy.c +++ b/tools/perf/trace/beauty/sched_policy.c @@ -9,6 +9,9 @@ #ifndef SCHED_DEADLINE #define SCHED_DEADLINE 6 #endif +#ifndef SCHED_RESET_ON_FORK +#define SCHED_RESET_ON_FORK 0x40000000 +#endif static size_t syscall_arg__scnprintf_sched_policy(char *bf, size_t size, struct syscall_arg *arg) diff --git a/tools/perf/trace/beauty/seccomp.c b/tools/perf/trace/beauty/seccomp.c index 213c5a7e3e92..356441bce27d 100644 --- a/tools/perf/trace/beauty/seccomp.c +++ b/tools/perf/trace/beauty/seccomp.c @@ -1,5 +1,3 @@ -#include <linux/seccomp.h> - #ifndef SECCOMP_SET_MODE_STRICT #define SECCOMP_SET_MODE_STRICT 0 #endif diff --git a/tools/perf/ui/browser.c b/tools/perf/ui/browser.c index af68a9d488bf..3eb3edb307a4 100644 --- a/tools/perf/ui/browser.c +++ b/tools/perf/ui/browser.c @@ -1,5 +1,5 @@ #include "../util.h" -#include "../cache.h" +#include "../config.h" #include "../../perf.h" #include "libslang.h" #include "ui.h" diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 4fc208e82c6f..29dc6d20364e 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -8,6 +8,7 @@ #include "../../util/sort.h" #include "../../util/symbol.h" #include "../../util/evsel.h" +#include "../../util/config.h" #include <pthread.h> struct disasm_line_samples { @@ -222,16 +223,14 @@ static void annotate_browser__write(struct ui_browser *browser, void *entry, int } else if (ins__is_call(dl->ins)) { ui_browser__write_graph(browser, SLSMG_RARROW_CHAR); SLsmg_write_char(' '); + } else if (ins__is_ret(dl->ins)) { + ui_browser__write_graph(browser, SLSMG_LARROW_CHAR); + SLsmg_write_char(' '); } else { ui_browser__write_nstring(browser, " ", 2); } } else { - if (strcmp(dl->name, "retq")) { - ui_browser__write_nstring(browser, " ", 2); - } else { - ui_browser__write_graph(browser, SLSMG_LARROW_CHAR); - SLsmg_write_char(' '); - } + ui_browser__write_nstring(browser, " ", 2); } disasm_line__scnprintf(dl, bf, sizeof(bf), !annotate_browser__opts.use_offset); @@ -842,14 +841,14 @@ show_help: ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org"); else if (browser->selection->offset == -1) ui_helpline__puts("Actions are only available for assembly lines."); - else if (!browser->selection->ins) { - if (strcmp(browser->selection->name, "retq")) - goto show_sup_ins; + else if (!browser->selection->ins) + goto show_sup_ins; + else if (ins__is_ret(browser->selection->ins)) goto out; - } else if (!(annotate_browser__jump(browser) || + else if (!(annotate_browser__jump(browser) || annotate_browser__callq(browser, evsel, hbt))) { show_sup_ins: - ui_helpline__puts("Actions are only available for 'callq', 'retq' & jump instructions."); + ui_helpline__puts("Actions are only available for function call/return & jump/branch instructions."); } continue; case 't': diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index 538bae880bfe..13d414384739 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -12,35 +12,17 @@ #include "../../util/top.h" #include "../../arch/common.h" -#include "../browser.h" +#include "../browsers/hists.h" #include "../helpline.h" #include "../util.h" #include "../ui.h" #include "map.h" #include "annotate.h" -struct hist_browser { - struct ui_browser b; - struct hists *hists; - struct hist_entry *he_selection; - struct map_symbol *selection; - struct hist_browser_timer *hbt; - struct pstack *pstack; - struct perf_env *env; - int print_seq; - bool show_dso; - bool show_headers; - float min_pcnt; - u64 nr_non_filtered_entries; - u64 nr_hierarchy_entries; - u64 nr_callchain_rows; -}; - extern void hist_browser__init_hpp(void); -static int hists__browser_title(struct hists *hists, - struct hist_browser_timer *hbt, - char *bf, size_t size); +static int perf_evsel_browser_title(struct hist_browser *browser, + char *bf, size_t size); static void hist_browser__update_nr_entries(struct hist_browser *hb); static struct rb_node *hists__filter_entries(struct rb_node *nd, @@ -585,7 +567,12 @@ static void ui_browser__warn_lost_events(struct ui_browser *browser) "Or reduce the sampling frequency."); } -static int hist_browser__run(struct hist_browser *browser, const char *help) +static int hist_browser__title(struct hist_browser *browser, char *bf, size_t size) +{ + return browser->title ? browser->title(browser, bf, size) : 0; +} + +int hist_browser__run(struct hist_browser *browser, const char *help) { int key; char title[160]; @@ -595,7 +582,7 @@ static int hist_browser__run(struct hist_browser *browser, const char *help) browser->b.entries = &browser->hists->entries; browser->b.nr_entries = hist_browser__nr_entries(browser); - hists__browser_title(browser->hists, hbt, title, sizeof(title)); + hist_browser__title(browser, title, sizeof(title)); if (ui_browser__show(&browser->b, title, "%s", help) < 0) return -1; @@ -621,8 +608,7 @@ static int hist_browser__run(struct hist_browser *browser, const char *help) ui_browser__warn_lost_events(&browser->b); } - hists__browser_title(browser->hists, - hbt, title, sizeof(title)); + hist_browser__title(browser, title, sizeof(title)); ui_browser__show_title(&browser->b, title); continue; } @@ -1470,7 +1456,7 @@ static int hist_browser__show_no_entry(struct hist_browser *browser, column++ < browser->b.horiz_scroll) continue; - ret = fmt->width(fmt, NULL, hists_to_evsel(browser->hists)); + ret = fmt->width(fmt, NULL, browser->hists); if (first) { /* for folded sign */ @@ -1531,7 +1517,7 @@ static int hists_browser__scnprintf_headers(struct hist_browser *browser, char * if (perf_hpp__should_skip(fmt, hists) || column++ < browser->b.horiz_scroll) continue; - ret = fmt->header(fmt, &dummy_hpp, hists_to_evsel(hists)); + ret = fmt->header(fmt, &dummy_hpp, hists); if (advance_hpp_check(&dummy_hpp, ret)) break; @@ -1568,7 +1554,7 @@ static int hists_browser__scnprintf_hierarchy_headers(struct hist_browser *brows if (column++ < browser->b.horiz_scroll) continue; - ret = fmt->header(fmt, &dummy_hpp, hists_to_evsel(hists)); + ret = fmt->header(fmt, &dummy_hpp, hists); if (advance_hpp_check(&dummy_hpp, ret)) break; @@ -1605,7 +1591,7 @@ static int hists_browser__scnprintf_hierarchy_headers(struct hist_browser *brows } first_col = false; - ret = fmt->header(fmt, &dummy_hpp, hists_to_evsel(hists)); + ret = fmt->header(fmt, &dummy_hpp, hists); dummy_hpp.buf[ret] = '\0'; start = trim(dummy_hpp.buf); @@ -1622,21 +1608,38 @@ static int hists_browser__scnprintf_hierarchy_headers(struct hist_browser *brows return ret; } -static void hist_browser__show_headers(struct hist_browser *browser) +static void hists_browser__hierarchy_headers(struct hist_browser *browser) { char headers[1024]; - if (symbol_conf.report_hierarchy) - hists_browser__scnprintf_hierarchy_headers(browser, headers, - sizeof(headers)); - else - hists_browser__scnprintf_headers(browser, headers, - sizeof(headers)); + hists_browser__scnprintf_hierarchy_headers(browser, headers, + sizeof(headers)); + + ui_browser__gotorc(&browser->b, 0, 0); + ui_browser__set_color(&browser->b, HE_COLORSET_ROOT); + ui_browser__write_nstring(&browser->b, headers, browser->b.width + 1); +} + +static void hists_browser__headers(struct hist_browser *browser) +{ + char headers[1024]; + + hists_browser__scnprintf_headers(browser, headers, + sizeof(headers)); + ui_browser__gotorc(&browser->b, 0, 0); ui_browser__set_color(&browser->b, HE_COLORSET_ROOT); ui_browser__write_nstring(&browser->b, headers, browser->b.width + 1); } +static void hist_browser__show_headers(struct hist_browser *browser) +{ + if (symbol_conf.report_hierarchy) + hists_browser__hierarchy_headers(browser); + else + hists_browser__headers(browser); +} + static void ui_browser__hists_init_top(struct ui_browser *browser) { if (browser->top == NULL) { @@ -2026,7 +2029,7 @@ static int hist_browser__dump(struct hist_browser *browser) fp = fopen(filename, "w"); if (fp == NULL) { char bf[64]; - const char *err = strerror_r(errno, bf, sizeof(bf)); + const char *err = str_error_r(errno, bf, sizeof(bf)); ui_helpline__fpush("Couldn't write to %s: %s", filename, err); return -1; } @@ -2039,27 +2042,50 @@ static int hist_browser__dump(struct hist_browser *browser) return 0; } -static struct hist_browser *hist_browser__new(struct hists *hists, - struct hist_browser_timer *hbt, - struct perf_env *env) +void hist_browser__init(struct hist_browser *browser, + struct hists *hists) +{ + struct perf_hpp_fmt *fmt; + + browser->hists = hists; + browser->b.refresh = hist_browser__refresh; + browser->b.refresh_dimensions = hist_browser__refresh_dimensions; + browser->b.seek = ui_browser__hists_seek; + browser->b.use_navkeypressed = true; + browser->show_headers = symbol_conf.show_hist_headers; + + hists__for_each_format(hists, fmt) { + perf_hpp__reset_width(fmt, hists); + ++browser->b.columns; + } +} + +struct hist_browser *hist_browser__new(struct hists *hists) { struct hist_browser *browser = zalloc(sizeof(*browser)); + if (browser) + hist_browser__init(browser, hists); + + return browser; +} + +static struct hist_browser * +perf_evsel_browser__new(struct perf_evsel *evsel, + struct hist_browser_timer *hbt, + struct perf_env *env) +{ + struct hist_browser *browser = hist_browser__new(evsel__hists(evsel)); + if (browser) { - browser->hists = hists; - browser->b.refresh = hist_browser__refresh; - browser->b.refresh_dimensions = hist_browser__refresh_dimensions; - browser->b.seek = ui_browser__hists_seek; - browser->b.use_navkeypressed = true; - browser->show_headers = symbol_conf.show_hist_headers; - browser->hbt = hbt; - browser->env = env; + browser->hbt = hbt; + browser->env = env; + browser->title = perf_evsel_browser_title; } - return browser; } -static void hist_browser__delete(struct hist_browser *browser) +void hist_browser__delete(struct hist_browser *browser) { free(browser); } @@ -2080,10 +2106,11 @@ static inline bool is_report_browser(void *timer) return timer == NULL; } -static int hists__browser_title(struct hists *hists, - struct hist_browser_timer *hbt, +static int perf_evsel_browser_title(struct hist_browser *browser, char *bf, size_t size) { + struct hist_browser_timer *hbt = browser->hbt; + struct hists *hists = browser->hists; char unit; int printed; const struct dso *dso = hists->dso_filter; @@ -2640,7 +2667,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, struct perf_env *env) { struct hists *hists = evsel__hists(evsel); - struct hist_browser *browser = hist_browser__new(hists, hbt, env); + struct hist_browser *browser = perf_evsel_browser__new(evsel, hbt, env); struct branch_info *bi; #define MAX_OPTIONS 16 char *options[MAX_OPTIONS]; @@ -2649,7 +2676,6 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, int key = -1; char buf[64]; int delay_secs = hbt ? hbt->refresh : 0; - struct perf_hpp_fmt *fmt; #define HIST_BROWSER_HELP_COMMON \ "h/?/F1 Show this window\n" \ @@ -2708,18 +2734,6 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, memset(options, 0, sizeof(options)); memset(actions, 0, sizeof(actions)); - hists__for_each_format(browser->hists, fmt) { - perf_hpp__reset_width(fmt, hists); - /* - * This is done just once, and activates the horizontal scrolling - * code in the ui_browser code, it would be better to have a the - * counter in the perf_hpp code, but I couldn't find doing it here - * works, FIXME by setting this in hist_browser__new, for now, be - * clever 8-) - */ - ++browser->b.columns; - } - if (symbol_conf.col_width_list_str) perf_hpp__set_user_width(symbol_conf.col_width_list_str); @@ -3185,7 +3199,7 @@ static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist, ui_helpline__push("Press ESC to exit"); - evlist__for_each(evlist, pos) { + evlist__for_each_entry(evlist, pos) { const char *ev_name = perf_evsel__name(pos); size_t line_len = strlen(ev_name) + 7; @@ -3216,7 +3230,7 @@ single_entry: struct perf_evsel *pos; nr_entries = 0; - evlist__for_each(evlist, pos) { + evlist__for_each_entry(evlist, pos) { if (perf_evsel__is_group_leader(pos)) nr_entries++; } diff --git a/tools/perf/ui/browsers/hists.h b/tools/perf/ui/browsers/hists.h new file mode 100644 index 000000000000..39bd0f28f211 --- /dev/null +++ b/tools/perf/ui/browsers/hists.h @@ -0,0 +1,32 @@ +#ifndef _PERF_UI_BROWSER_HISTS_H_ +#define _PERF_UI_BROWSER_HISTS_H_ 1 + +#include "ui/browser.h" + +struct hist_browser { + struct ui_browser b; + struct hists *hists; + struct hist_entry *he_selection; + struct map_symbol *selection; + struct hist_browser_timer *hbt; + struct pstack *pstack; + struct perf_env *env; + int print_seq; + bool show_dso; + bool show_headers; + float min_pcnt; + u64 nr_non_filtered_entries; + u64 nr_hierarchy_entries; + u64 nr_callchain_rows; + + /* Get title string. */ + int (*title)(struct hist_browser *browser, + char *bf, size_t size); +}; + +struct hist_browser *hist_browser__new(struct hists *hists); +void hist_browser__delete(struct hist_browser *browser); +int hist_browser__run(struct hist_browser *browser, const char *help); +void hist_browser__init(struct hist_browser *browser, + struct hists *hists); +#endif /* _PERF_UI_BROWSER_HISTS_H_ */ diff --git a/tools/perf/ui/gtk/hists.c b/tools/perf/ui/gtk/hists.c index 932adfaa05af..c5f3677f6679 100644 --- a/tools/perf/ui/gtk/hists.c +++ b/tools/perf/ui/gtk/hists.c @@ -549,7 +549,7 @@ static void perf_gtk__show_hierarchy(GtkWidget *window, struct hists *hists, strcat(buf, "+"); first_col = false; - fmt->header(fmt, &hpp, hists_to_evsel(hists)); + fmt->header(fmt, &hpp, hists); strcat(buf, ltrim(rtrim(hpp.buf))); } } @@ -627,7 +627,7 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, gtk_container_add(GTK_CONTAINER(window), vbox); - evlist__for_each(evlist, pos) { + evlist__for_each_entry(evlist, pos) { struct hists *hists = evsel__hists(pos); const char *evname = perf_evsel__name(pos); GtkWidget *scrolled_window; diff --git a/tools/perf/ui/gtk/util.c b/tools/perf/ui/gtk/util.c index 52e7fc48af9f..00b91921edb1 100644 --- a/tools/perf/ui/gtk/util.c +++ b/tools/perf/ui/gtk/util.c @@ -1,4 +1,5 @@ #include "../util.h" +#include "../../util/util.h" #include "../../util/debug.h" #include "gtk.h" diff --git a/tools/perf/ui/helpline.c b/tools/perf/ui/helpline.c index 700fb3cfa1c7..5b74a7eba210 100644 --- a/tools/perf/ui/helpline.c +++ b/tools/perf/ui/helpline.c @@ -5,6 +5,7 @@ #include "../debug.h" #include "helpline.h" #include "ui.h" +#include "../util.h" char ui_helpline__current[512]; diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c index af07ffb129ca..4274969ddc89 100644 --- a/tools/perf/ui/hist.c +++ b/tools/perf/ui/hist.c @@ -215,9 +215,10 @@ static int __hpp__sort_acc(struct hist_entry *a, struct hist_entry *b, static int hpp__width_fn(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp __maybe_unused, - struct perf_evsel *evsel) + struct hists *hists) { int len = fmt->user_len ?: fmt->len; + struct perf_evsel *evsel = hists_to_evsel(hists); if (symbol_conf.event_group) len = max(len, evsel->nr_members * fmt->len); @@ -229,9 +230,9 @@ static int hpp__width_fn(struct perf_hpp_fmt *fmt, } static int hpp__header_fn(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, - struct perf_evsel *evsel) + struct hists *hists) { - int len = hpp__width_fn(fmt, hpp, evsel); + int len = hpp__width_fn(fmt, hpp, hists); return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name); } @@ -632,7 +633,7 @@ unsigned int hists__sort_list_width(struct hists *hists) else ret += 2; - ret += fmt->width(fmt, &dummy_hpp, hists_to_evsel(hists)); + ret += fmt->width(fmt, &dummy_hpp, hists); } if (verbose && hists__has(hists, sym)) /* Addr + origin */ @@ -657,7 +658,7 @@ unsigned int hists__overhead_width(struct hists *hists) else ret += 2; - ret += fmt->width(fmt, &dummy_hpp, hists_to_evsel(hists)); + ret += fmt->width(fmt, &dummy_hpp, hists); } return ret; @@ -765,7 +766,7 @@ int perf_hpp__setup_hists_formats(struct perf_hpp_list *list, if (!symbol_conf.report_hierarchy) return 0; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { hists = evsel__hists(evsel); perf_hpp_list__for_each_sort_list(list, fmt) { diff --git a/tools/perf/ui/setup.c b/tools/perf/ui/setup.c index ba51fa8a1176..1f6b0994f4f4 100644 --- a/tools/perf/ui/setup.c +++ b/tools/perf/ui/setup.c @@ -60,6 +60,13 @@ static inline int setup_gtk_browser(void) { return -1; } static inline void exit_gtk_browser(bool wait_for_ok __maybe_unused) {} #endif +int stdio__config_color(const struct option *opt __maybe_unused, + const char *mode, int unset __maybe_unused) +{ + perf_use_color_default = perf_config_colorbool("color.ui", mode, -1); + return 0; +} + void setup_browser(bool fallback_to_pager) { if (use_browser < 2 && (!isatty(1) || dump_trace)) diff --git a/tools/perf/ui/stdio/hist.c b/tools/perf/ui/stdio/hist.c index 560eb47d56f9..f04a63112079 100644 --- a/tools/perf/ui/stdio/hist.c +++ b/tools/perf/ui/stdio/hist.c @@ -492,14 +492,15 @@ out: } static int hist_entry__fprintf(struct hist_entry *he, size_t size, - struct hists *hists, - char *bf, size_t bfsz, FILE *fp) + char *bf, size_t bfsz, FILE *fp, + bool use_callchain) { int ret; struct perf_hpp hpp = { .buf = bf, .size = size, }; + struct hists *hists = he->hists; u64 total_period = hists->stats.total_period; if (size == 0 || size > bfsz) @@ -512,7 +513,7 @@ static int hist_entry__fprintf(struct hist_entry *he, size_t size, ret = fprintf(fp, "%s\n", bf); - if (symbol_conf.use_callchain) + if (use_callchain) ret += hist_entry_callchain__fprintf(he, total_period, 0, fp); return ret; @@ -548,7 +549,7 @@ static int print_hierarchy_header(struct hists *hists, struct perf_hpp *hpp, struct perf_hpp_list_node, list); perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) { - fmt->header(fmt, hpp, hists_to_evsel(hists)); + fmt->header(fmt, hpp, hists); fprintf(fp, "%s%s", hpp->buf, sep ?: " "); } @@ -568,7 +569,7 @@ static int print_hierarchy_header(struct hists *hists, struct perf_hpp *hpp, header_width += fprintf(fp, "+"); first_col = false; - fmt->header(fmt, hpp, hists_to_evsel(hists)); + fmt->header(fmt, hpp, hists); header_width += fprintf(fp, "%s", trim(hpp->buf)); } @@ -589,7 +590,7 @@ static int print_hierarchy_header(struct hists *hists, struct perf_hpp *hpp, fprintf(fp, "%s", sep ?: ".."); first_col = false; - width = fmt->width(fmt, hpp, hists_to_evsel(hists)); + width = fmt->width(fmt, hpp, hists); fprintf(fp, "%.*s", width, dots); } @@ -606,7 +607,7 @@ static int print_hierarchy_header(struct hists *hists, struct perf_hpp *hpp, width++; /* for '+' sign between column header */ first_col = false; - width += fmt->width(fmt, hpp, hists_to_evsel(hists)); + width += fmt->width(fmt, hpp, hists); } if (width > header_width) @@ -622,47 +623,31 @@ static int print_hierarchy_header(struct hists *hists, struct perf_hpp *hpp, return 2; } -size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows, - int max_cols, float min_pcnt, FILE *fp) +static int +hists__fprintf_hierarchy_headers(struct hists *hists, + struct perf_hpp *hpp, + FILE *fp) { - struct perf_hpp_fmt *fmt; struct perf_hpp_list_node *fmt_node; - struct rb_node *nd; - size_t ret = 0; - unsigned int width; - const char *sep = symbol_conf.field_sep; - int nr_rows = 0; - char bf[96]; - struct perf_hpp dummy_hpp = { - .buf = bf, - .size = sizeof(bf), - }; - bool first = true; - size_t linesz; - char *line = NULL; - unsigned indent; - - init_rem_hits(); - - hists__for_each_format(hists, fmt) - perf_hpp__reset_width(fmt, hists); - - if (symbol_conf.col_width_list_str) - perf_hpp__set_user_width(symbol_conf.col_width_list_str); + struct perf_hpp_fmt *fmt; - if (!show_header) - goto print_entries; + list_for_each_entry(fmt_node, &hists->hpp_formats, list) { + perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) + perf_hpp__reset_width(fmt, hists); + } - fprintf(fp, "# "); + return print_hierarchy_header(hists, hpp, symbol_conf.field_sep, fp); +} - if (symbol_conf.report_hierarchy) { - list_for_each_entry(fmt_node, &hists->hpp_formats, list) { - perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) - perf_hpp__reset_width(fmt, hists); - } - nr_rows += print_hierarchy_header(hists, &dummy_hpp, sep, fp); - goto print_entries; - } +static int +hists__fprintf_standard_headers(struct hists *hists, + struct perf_hpp *hpp, + FILE *fp) +{ + struct perf_hpp_fmt *fmt; + unsigned int width; + const char *sep = symbol_conf.field_sep; + bool first = true; hists__for_each_format(hists, fmt) { if (perf_hpp__should_skip(fmt, hists)) @@ -673,16 +658,14 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows, else first = false; - fmt->header(fmt, &dummy_hpp, hists_to_evsel(hists)); - fprintf(fp, "%s", bf); + fmt->header(fmt, hpp, hists); + fprintf(fp, "%s", hpp->buf); } fprintf(fp, "\n"); - if (max_rows && ++nr_rows >= max_rows) - goto out; if (sep) - goto print_entries; + return 1; first = true; @@ -699,20 +682,60 @@ size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows, else first = false; - width = fmt->width(fmt, &dummy_hpp, hists_to_evsel(hists)); + width = fmt->width(fmt, hpp, hists); for (i = 0; i < width; i++) fprintf(fp, "."); } fprintf(fp, "\n"); - if (max_rows && ++nr_rows >= max_rows) - goto out; - fprintf(fp, "#\n"); - if (max_rows && ++nr_rows >= max_rows) + return 3; +} + +static int hists__fprintf_headers(struct hists *hists, FILE *fp) +{ + char bf[96]; + struct perf_hpp dummy_hpp = { + .buf = bf, + .size = sizeof(bf), + }; + + fprintf(fp, "# "); + + if (symbol_conf.report_hierarchy) + return hists__fprintf_hierarchy_headers(hists, &dummy_hpp, fp); + else + return hists__fprintf_standard_headers(hists, &dummy_hpp, fp); + +} + +size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows, + int max_cols, float min_pcnt, FILE *fp, + bool use_callchain) +{ + struct perf_hpp_fmt *fmt; + struct rb_node *nd; + size_t ret = 0; + const char *sep = symbol_conf.field_sep; + int nr_rows = 0; + size_t linesz; + char *line = NULL; + unsigned indent; + + init_rem_hits(); + + hists__for_each_format(hists, fmt) + perf_hpp__reset_width(fmt, hists); + + if (symbol_conf.col_width_list_str) + perf_hpp__set_user_width(symbol_conf.col_width_list_str); + + if (show_header) + nr_rows += hists__fprintf_headers(hists, fp); + + if (max_rows && nr_rows >= max_rows) goto out; -print_entries: linesz = hists__sort_list_width(hists) + 3 + 1; linesz += perf_hpp__color_overhead(); line = malloc(linesz); @@ -734,7 +757,7 @@ print_entries: if (percent < min_pcnt) continue; - ret += hist_entry__fprintf(h, max_cols, hists, line, linesz, fp); + ret += hist_entry__fprintf(h, max_cols, line, linesz, fp, use_callchain); if (max_rows && ++nr_rows >= max_rows) break; diff --git a/tools/perf/ui/tui/setup.c b/tools/perf/ui/tui/setup.c index 7dfeba0a91f3..4ea2ba861fc2 100644 --- a/tools/perf/ui/tui/setup.c +++ b/tools/perf/ui/tui/setup.c @@ -1,3 +1,4 @@ +#include <errno.h> #include <signal.h> #include <stdbool.h> #ifdef HAVE_BACKTRACE_SUPPORT @@ -6,6 +7,7 @@ #include "../../util/cache.h" #include "../../util/debug.h" +#include "../../util/util.h" #include "../browser.h" #include "../helpline.h" #include "../ui.h" diff --git a/tools/perf/ui/ui.h b/tools/perf/ui/ui.h index ab88383f8be8..4b6fb6c7a542 100644 --- a/tools/perf/ui/ui.h +++ b/tools/perf/ui/ui.h @@ -26,4 +26,8 @@ static inline void ui__exit(bool wait_for_ok __maybe_unused) {} void ui__refresh_dimensions(bool force); +struct option; + +int stdio__config_color(const struct option *opt, const char *mode, int unset); + #endif /* _PERF_UI_H_ */ diff --git a/tools/perf/util/Build b/tools/perf/util/Build index 8c6c8a0ca642..2fa7d8b69873 100644 --- a/tools/perf/util/Build +++ b/tools/perf/util/Build @@ -70,6 +70,7 @@ libperf-y += stat.o libperf-y += stat-shadow.o libperf-y += record.o libperf-y += srcline.o +libperf-y += str_error_r.o libperf-y += data.o libperf-y += tsc.o libperf-y += cloexec.o @@ -84,6 +85,7 @@ libperf-y += parse-regs-options.o libperf-y += term.o libperf-y += help-unknown-cmd.o libperf-y += mem-events.o +libperf-y += vsprintf.o libperf-$(CONFIG_LIBBPF) += bpf-loader.o libperf-$(CONFIG_BPF_PROLOGUE) += bpf-prologue.o @@ -99,7 +101,10 @@ libperf-$(CONFIG_DWARF) += probe-finder.o libperf-$(CONFIG_DWARF) += dwarf-aux.o libperf-$(CONFIG_LIBDW_DWARF_UNWIND) += unwind-libdw.o +libperf-$(CONFIG_LOCAL_LIBUNWIND) += unwind-libunwind-local.o libperf-$(CONFIG_LIBUNWIND) += unwind-libunwind.o +libperf-$(CONFIG_LIBUNWIND_X86) += libunwind/x86_32.o +libperf-$(CONFIG_LIBUNWIND_AARCH64) += libunwind/arm64.o libperf-$(CONFIG_LIBBABELTRACE) += data-convert-bt.o @@ -108,6 +113,7 @@ libperf-y += scripting-engines/ libperf-$(CONFIG_ZLIB) += zlib.o libperf-$(CONFIG_LZMA) += lzma.o libperf-y += demangle-java.o +libperf-y += demangle-rust.o ifdef CONFIG_JITDUMP libperf-$(CONFIG_LIBELF) += jitdump.o @@ -170,6 +176,14 @@ $(OUTPUT)util/libstring.o: ../lib/string.c FORCE $(call rule_mkdir) $(call if_changed_dep,cc_o_c) +$(OUTPUT)util/str_error_r.o: ../lib/str_error_r.c FORCE + $(call rule_mkdir) + $(call if_changed_dep,cc_o_c) + $(OUTPUT)util/hweight.o: ../lib/hweight.c FORCE $(call rule_mkdir) $(call if_changed_dep,cc_o_c) + +$(OUTPUT)util/vsprintf.o: ../lib/vsprintf.c FORCE + $(call rule_mkdir) + $(call if_changed_dep,cc_o_c) diff --git a/tools/perf/util/alias.c b/tools/perf/util/alias.c index c0b43ee40d95..6455471d9cd1 100644 --- a/tools/perf/util/alias.c +++ b/tools/perf/util/alias.c @@ -1,4 +1,6 @@ #include "cache.h" +#include "util.h" +#include "config.h" static const char *alias_key; static char *alias_val; diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 7e5a1e8874ce..e9825fe825fd 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -354,6 +354,15 @@ static struct ins_ops nop_ops = { .scnprintf = nop__scnprintf, }; +static struct ins_ops ret_ops = { + .scnprintf = ins__raw_scnprintf, +}; + +bool ins__is_ret(const struct ins *ins) +{ + return ins->ops == &ret_ops; +} + static struct ins instructions[] = { { .name = "add", .ops = &mov_ops, }, { .name = "addl", .ops = &mov_ops, }, @@ -444,6 +453,7 @@ static struct ins instructions[] = { { .name = "xadd", .ops = &mov_ops, }, { .name = "xbeginl", .ops = &jump_ops, }, { .name = "xbeginq", .ops = &jump_ops, }, + { .name = "retq", .ops = &ret_ops, }, }; static int ins__key_cmp(const void *name, const void *insp) @@ -1512,13 +1522,14 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, const char *d_filename; const char *evsel_name = perf_evsel__name(evsel); struct annotation *notes = symbol__annotation(sym); + struct sym_hist *h = annotation__histogram(notes, evsel->idx); struct disasm_line *pos, *queue = NULL; u64 start = map__rip_2objdump(map, sym->start); int printed = 2, queue_len = 0; int more = 0; u64 len; int width = 8; - int namelen, evsel_name_len, graph_dotted_len; + int graph_dotted_len; filename = strdup(dso->long_name); if (!filename) @@ -1530,17 +1541,14 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, d_filename = basename(filename); len = symbol__size(sym); - namelen = strlen(d_filename); - evsel_name_len = strlen(evsel_name); if (perf_evsel__is_group_event(evsel)) width *= evsel->nr_members; - printf(" %-*.*s| Source code & Disassembly of %s for %s\n", - width, width, "Percent", d_filename, evsel_name); + graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples)\n", + width, width, "Percent", d_filename, evsel_name, h->sum); - graph_dotted_len = width + namelen + evsel_name_len; - printf("-%-*.*s-----------------------------------------\n", + printf("%-*.*s----\n", graph_dotted_len, graph_dotted_len, graph_dotted_line); if (verbose) @@ -1676,11 +1684,6 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, return 0; } -int hist_entry__annotate(struct hist_entry *he, size_t privsize) -{ - return symbol__annotate(he->ms.sym, he->ms.map, privsize); -} - bool ui__has_annotation(void) { return use_browser == 1 && perf_hpp_list.sym; diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index 9241f8c2b7e1..a23084f54128 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -48,6 +48,7 @@ struct ins { bool ins__is_jump(const struct ins *ins); bool ins__is_call(const struct ins *ins); +bool ins__is_ret(const struct ins *ins); int ins__scnprintf(struct ins *ins, char *bf, size_t size, struct ins_operands *ops); struct annotation; @@ -156,8 +157,6 @@ void symbol__annotate_zero_histograms(struct symbol *sym); int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize); -int hist_entry__annotate(struct hist_entry *he, size_t privsize); - int symbol__annotate_init(struct map *map, struct symbol *sym); int symbol__annotate_printf(struct symbol *sym, struct map *map, struct perf_evsel *evsel, bool full_paths, diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h index 767989e0e312..ac5f0d7167e6 100644 --- a/tools/perf/util/auxtrace.h +++ b/tools/perf/util/auxtrace.h @@ -63,6 +63,7 @@ enum itrace_period_type { * @calls: limit branch samples to calls (can be combined with @returns) * @returns: limit branch samples to returns (can be combined with @calls) * @callchain: add callchain to 'instructions' events + * @thread_stack: feed branches to the thread_stack * @last_branch: add branch context to 'instruction' events * @callchain_sz: maximum callchain size * @last_branch_sz: branch context size @@ -82,6 +83,7 @@ struct itrace_synth_opts { bool calls; bool returns; bool callchain; + bool thread_stack; bool last_branch; unsigned int callchain_sz; unsigned int last_branch_sz; diff --git a/tools/perf/util/bpf-loader.c b/tools/perf/util/bpf-loader.c index 493307d1414c..1f12e4e40006 100644 --- a/tools/perf/util/bpf-loader.c +++ b/tools/perf/util/bpf-loader.c @@ -37,6 +37,9 @@ DEFINE_PRINT_FN(info, 1) DEFINE_PRINT_FN(debug, 1) struct bpf_prog_priv { + bool is_tp; + char *sys_name; + char *evt_name; struct perf_probe_event pev; bool need_prologue; struct bpf_insn *insns_buf; @@ -118,6 +121,8 @@ clear_prog_priv(struct bpf_program *prog __maybe_unused, cleanup_perf_probe_events(&priv->pev, 1); zfree(&priv->insns_buf); zfree(&priv->type_mapping); + zfree(&priv->sys_name); + zfree(&priv->evt_name); free(priv); } @@ -269,7 +274,8 @@ nextline: } static int -parse_prog_config(const char *config_str, struct perf_probe_event *pev) +parse_prog_config(const char *config_str, const char **p_main_str, + bool *is_tp, struct perf_probe_event *pev) { int err; const char *main_str = parse_prog_config_kvpair(config_str, pev); @@ -277,6 +283,22 @@ parse_prog_config(const char *config_str, struct perf_probe_event *pev) if (IS_ERR(main_str)) return PTR_ERR(main_str); + *p_main_str = main_str; + if (!strchr(main_str, '=')) { + /* Is a tracepoint event? */ + const char *s = strchr(main_str, ':'); + + if (!s) { + pr_debug("bpf: '%s' is not a valid tracepoint\n", + config_str); + return -BPF_LOADER_ERRNO__CONFIG; + } + + *is_tp = true; + return 0; + } + + *is_tp = false; err = parse_perf_probe_command(main_str, pev); if (err < 0) { pr_debug("bpf: '%s' is not a valid config string\n", @@ -292,7 +314,8 @@ config_bpf_program(struct bpf_program *prog) { struct perf_probe_event *pev = NULL; struct bpf_prog_priv *priv = NULL; - const char *config_str; + const char *config_str, *main_str; + bool is_tp = false; int err; /* Initialize per-program probing setting */ @@ -313,10 +336,19 @@ config_bpf_program(struct bpf_program *prog) pev = &priv->pev; pr_debug("bpf: config program '%s'\n", config_str); - err = parse_prog_config(config_str, pev); + err = parse_prog_config(config_str, &main_str, &is_tp, pev); if (err) goto errout; + if (is_tp) { + char *s = strchr(main_str, ':'); + + priv->is_tp = true; + priv->sys_name = strndup(main_str, s - main_str); + priv->evt_name = strdup(s + 1); + goto set_priv; + } + if (pev->group && strcmp(pev->group, PERF_BPF_PROBE_GROUP)) { pr_debug("bpf: '%s': group for event is set and not '%s'.\n", config_str, PERF_BPF_PROBE_GROUP); @@ -339,7 +371,8 @@ config_bpf_program(struct bpf_program *prog) } pr_debug("bpf: config '%s' is ok\n", config_str); - err = bpf_program__set_private(prog, priv, clear_prog_priv); +set_priv: + err = bpf_program__set_priv(prog, priv, clear_prog_priv); if (err) { pr_debug("Failed to set priv for program '%s'\n", config_str); goto errout; @@ -380,15 +413,14 @@ preproc_gen_prologue(struct bpf_program *prog, int n, struct bpf_insn *orig_insns, int orig_insns_cnt, struct bpf_prog_prep_result *res) { + struct bpf_prog_priv *priv = bpf_program__priv(prog); struct probe_trace_event *tev; struct perf_probe_event *pev; - struct bpf_prog_priv *priv; struct bpf_insn *buf; size_t prologue_cnt = 0; int i, err; - err = bpf_program__get_private(prog, (void **)&priv); - if (err || !priv) + if (IS_ERR(priv) || !priv || priv->is_tp) goto errout; pev = &priv->pev; @@ -535,17 +567,21 @@ static int map_prologue(struct perf_probe_event *pev, int *mapping, static int hook_load_preprocessor(struct bpf_program *prog) { + struct bpf_prog_priv *priv = bpf_program__priv(prog); struct perf_probe_event *pev; - struct bpf_prog_priv *priv; bool need_prologue = false; int err, i; - err = bpf_program__get_private(prog, (void **)&priv); - if (err || !priv) { + if (IS_ERR(priv) || !priv) { pr_debug("Internal error when hook preprocessor\n"); return -BPF_LOADER_ERRNO__INTERNAL; } + if (priv->is_tp) { + priv->need_prologue = false; + return 0; + } + pev = &priv->pev; for (i = 0; i < pev->ntevs; i++) { struct probe_trace_event *tev = &pev->tevs[i]; @@ -607,9 +643,18 @@ int bpf__probe(struct bpf_object *obj) if (err) goto out; - err = bpf_program__get_private(prog, (void **)&priv); - if (err || !priv) + priv = bpf_program__priv(prog); + if (IS_ERR(priv) || !priv) { + err = PTR_ERR(priv); goto out; + } + + if (priv->is_tp) { + bpf_program__set_tracepoint(prog); + continue; + } + + bpf_program__set_kprobe(prog); pev = &priv->pev; err = convert_perf_probe_events(pev, 1); @@ -645,13 +690,12 @@ int bpf__unprobe(struct bpf_object *obj) { int err, ret = 0; struct bpf_program *prog; - struct bpf_prog_priv *priv; bpf_object__for_each_program(prog, obj) { + struct bpf_prog_priv *priv = bpf_program__priv(prog); int i; - err = bpf_program__get_private(prog, (void **)&priv); - if (err || !priv) + if (IS_ERR(priv) || !priv || priv->is_tp) continue; for (i = 0; i < priv->pev.ntevs; i++) { @@ -694,26 +738,34 @@ int bpf__load(struct bpf_object *obj) return 0; } -int bpf__foreach_tev(struct bpf_object *obj, - bpf_prog_iter_callback_t func, - void *arg) +int bpf__foreach_event(struct bpf_object *obj, + bpf_prog_iter_callback_t func, + void *arg) { struct bpf_program *prog; int err; bpf_object__for_each_program(prog, obj) { + struct bpf_prog_priv *priv = bpf_program__priv(prog); struct probe_trace_event *tev; struct perf_probe_event *pev; - struct bpf_prog_priv *priv; int i, fd; - err = bpf_program__get_private(prog, - (void **)&priv); - if (err || !priv) { + if (IS_ERR(priv) || !priv) { pr_debug("bpf: failed to get private field\n"); return -BPF_LOADER_ERRNO__INTERNAL; } + if (priv->is_tp) { + fd = bpf_program__fd(prog); + err = (*func)(priv->sys_name, priv->evt_name, fd, arg); + if (err) { + pr_debug("bpf: tracepoint call back failed, stop iterate\n"); + return err; + } + continue; + } + pev = &priv->pev; for (i = 0; i < pev->ntevs; i++) { tev = &pev->tevs[i]; @@ -731,7 +783,7 @@ int bpf__foreach_tev(struct bpf_object *obj, return fd; } - err = (*func)(tev, fd, arg); + err = (*func)(tev->group, tev->event, fd, arg); if (err) { pr_debug("bpf: call back failed, stop iterate\n"); return err; @@ -897,15 +949,12 @@ bpf_map_priv__clone(struct bpf_map_priv *priv) static int bpf_map__add_op(struct bpf_map *map, struct bpf_map_op *op) { - struct bpf_map_priv *priv; - const char *map_name; - int err; + const char *map_name = bpf_map__name(map); + struct bpf_map_priv *priv = bpf_map__priv(map); - map_name = bpf_map__get_name(map); - err = bpf_map__get_private(map, (void **)&priv); - if (err) { + if (IS_ERR(priv)) { pr_debug("Failed to get private from map %s\n", map_name); - return err; + return PTR_ERR(priv); } if (!priv) { @@ -916,7 +965,7 @@ bpf_map__add_op(struct bpf_map *map, struct bpf_map_op *op) } INIT_LIST_HEAD(&priv->ops_list); - if (bpf_map__set_private(map, priv, bpf_map_priv__clear)) { + if (bpf_map__set_priv(map, priv, bpf_map_priv__clear)) { free(priv); return -BPF_LOADER_ERRNO__INTERNAL; } @@ -948,30 +997,26 @@ static int __bpf_map__config_value(struct bpf_map *map, struct parse_events_term *term) { - struct bpf_map_def def; struct bpf_map_op *op; - const char *map_name; - int err; + const char *map_name = bpf_map__name(map); + const struct bpf_map_def *def = bpf_map__def(map); - map_name = bpf_map__get_name(map); - - err = bpf_map__get_def(map, &def); - if (err) { + if (IS_ERR(def)) { pr_debug("Unable to get map definition from '%s'\n", map_name); return -BPF_LOADER_ERRNO__INTERNAL; } - if (def.type != BPF_MAP_TYPE_ARRAY) { + if (def->type != BPF_MAP_TYPE_ARRAY) { pr_debug("Map %s type is not BPF_MAP_TYPE_ARRAY\n", map_name); return -BPF_LOADER_ERRNO__OBJCONF_MAP_TYPE; } - if (def.key_size < sizeof(unsigned int)) { + if (def->key_size < sizeof(unsigned int)) { pr_debug("Map %s has incorrect key size\n", map_name); return -BPF_LOADER_ERRNO__OBJCONF_MAP_KEYSIZE; } - switch (def.value_size) { + switch (def->value_size) { case 1: case 2: case 4: @@ -1014,12 +1059,10 @@ __bpf_map__config_event(struct bpf_map *map, struct perf_evlist *evlist) { struct perf_evsel *evsel; - struct bpf_map_def def; + const struct bpf_map_def *def; struct bpf_map_op *op; - const char *map_name; - int err; + const char *map_name = bpf_map__name(map); - map_name = bpf_map__get_name(map); evsel = perf_evlist__find_evsel_by_str(evlist, term->val.str); if (!evsel) { pr_debug("Event (for '%s') '%s' doesn't exist\n", @@ -1027,18 +1070,18 @@ __bpf_map__config_event(struct bpf_map *map, return -BPF_LOADER_ERRNO__OBJCONF_MAP_NOEVT; } - err = bpf_map__get_def(map, &def); - if (err) { + def = bpf_map__def(map); + if (IS_ERR(def)) { pr_debug("Unable to get map definition from '%s'\n", map_name); - return err; + return PTR_ERR(def); } /* * No need to check key_size and value_size: * kernel has already checked them. */ - if (def.type != BPF_MAP_TYPE_PERF_EVENT_ARRAY) { + if (def->type != BPF_MAP_TYPE_PERF_EVENT_ARRAY) { pr_debug("Map %s type is not BPF_MAP_TYPE_PERF_EVENT_ARRAY\n", map_name); return -BPF_LOADER_ERRNO__OBJCONF_MAP_TYPE; @@ -1087,9 +1130,8 @@ config_map_indices_range_check(struct parse_events_term *term, const char *map_name) { struct parse_events_array *array = &term->array; - struct bpf_map_def def; + const struct bpf_map_def *def; unsigned int i; - int err; if (!array->nr_ranges) return 0; @@ -1099,8 +1141,8 @@ config_map_indices_range_check(struct parse_events_term *term, return -BPF_LOADER_ERRNO__INTERNAL; } - err = bpf_map__get_def(map, &def); - if (err) { + def = bpf_map__def(map); + if (IS_ERR(def)) { pr_debug("ERROR: Unable to get map definition from '%s'\n", map_name); return -BPF_LOADER_ERRNO__INTERNAL; @@ -1111,7 +1153,7 @@ config_map_indices_range_check(struct parse_events_term *term, size_t length = array->ranges[i].length; unsigned int idx = start + length - 1; - if (idx >= def.max_entries) { + if (idx >= def->max_entries) { pr_debug("ERROR: index %d too large\n", idx); return -BPF_LOADER_ERRNO__OBJCONF_MAP_IDX2BIG; } @@ -1147,7 +1189,7 @@ bpf__obj_config_map(struct bpf_object *obj, goto out; } - map = bpf_object__get_map_by_name(obj, map_name); + map = bpf_object__find_map_by_name(obj, map_name); if (!map) { pr_debug("ERROR: Map %s doesn't exist\n", map_name); err = -BPF_LOADER_ERRNO__OBJCONF_MAP_NOTEXIST; @@ -1204,14 +1246,14 @@ out: } typedef int (*map_config_func_t)(const char *name, int map_fd, - struct bpf_map_def *pdef, + const struct bpf_map_def *pdef, struct bpf_map_op *op, void *pkey, void *arg); static int foreach_key_array_all(map_config_func_t func, void *arg, const char *name, - int map_fd, struct bpf_map_def *pdef, + int map_fd, const struct bpf_map_def *pdef, struct bpf_map_op *op) { unsigned int i; @@ -1231,7 +1273,7 @@ foreach_key_array_all(map_config_func_t func, static int foreach_key_array_ranges(map_config_func_t func, void *arg, const char *name, int map_fd, - struct bpf_map_def *pdef, + const struct bpf_map_def *pdef, struct bpf_map_op *op) { unsigned int i, j; @@ -1261,15 +1303,12 @@ bpf_map_config_foreach_key(struct bpf_map *map, void *arg) { int err, map_fd; - const char *name; struct bpf_map_op *op; - struct bpf_map_def def; - struct bpf_map_priv *priv; + const struct bpf_map_def *def; + const char *name = bpf_map__name(map); + struct bpf_map_priv *priv = bpf_map__priv(map); - name = bpf_map__get_name(map); - - err = bpf_map__get_private(map, (void **)&priv); - if (err) { + if (IS_ERR(priv)) { pr_debug("ERROR: failed to get private from map %s\n", name); return -BPF_LOADER_ERRNO__INTERNAL; } @@ -1278,29 +1317,29 @@ bpf_map_config_foreach_key(struct bpf_map *map, return 0; } - err = bpf_map__get_def(map, &def); - if (err) { + def = bpf_map__def(map); + if (IS_ERR(def)) { pr_debug("ERROR: failed to get definition from map %s\n", name); return -BPF_LOADER_ERRNO__INTERNAL; } - map_fd = bpf_map__get_fd(map); + map_fd = bpf_map__fd(map); if (map_fd < 0) { pr_debug("ERROR: failed to get fd from map %s\n", name); return map_fd; } list_for_each_entry(op, &priv->ops_list, list) { - switch (def.type) { + switch (def->type) { case BPF_MAP_TYPE_ARRAY: case BPF_MAP_TYPE_PERF_EVENT_ARRAY: switch (op->key_type) { case BPF_MAP_KEY_ALL: err = foreach_key_array_all(func, arg, name, - map_fd, &def, op); + map_fd, def, op); break; case BPF_MAP_KEY_RANGES: err = foreach_key_array_ranges(func, arg, name, - map_fd, &def, + map_fd, def, op); break; default: @@ -1410,7 +1449,7 @@ apply_config_evsel_for_key(const char *name, int map_fd, void *pkey, static int apply_obj_config_map_for_key(const char *name, int map_fd, - struct bpf_map_def *pdef __maybe_unused, + const struct bpf_map_def *pdef, struct bpf_map_op *op, void *pkey, void *arg __maybe_unused) { @@ -1475,9 +1514,9 @@ int bpf__apply_obj_config(void) #define bpf__for_each_stdout_map(pos, obj, objtmp) \ bpf__for_each_map(pos, obj, objtmp) \ - if (bpf_map__get_name(pos) && \ + if (bpf_map__name(pos) && \ (strcmp("__bpf_stdout__", \ - bpf_map__get_name(pos)) == 0)) + bpf_map__name(pos)) == 0)) int bpf__setup_stdout(struct perf_evlist *evlist __maybe_unused) { @@ -1489,10 +1528,9 @@ int bpf__setup_stdout(struct perf_evlist *evlist __maybe_unused) bool need_init = false; bpf__for_each_stdout_map(map, obj, tmp) { - struct bpf_map_priv *priv; + struct bpf_map_priv *priv = bpf_map__priv(map); - err = bpf_map__get_private(map, (void **)&priv); - if (err) + if (IS_ERR(priv)) return -BPF_LOADER_ERRNO__INTERNAL; /* @@ -1520,10 +1558,9 @@ int bpf__setup_stdout(struct perf_evlist *evlist __maybe_unused) } bpf__for_each_stdout_map(map, obj, tmp) { - struct bpf_map_priv *priv; + struct bpf_map_priv *priv = bpf_map__priv(map); - err = bpf_map__get_private(map, (void **)&priv); - if (err) + if (IS_ERR(priv)) return -BPF_LOADER_ERRNO__INTERNAL; if (priv) continue; @@ -1533,7 +1570,7 @@ int bpf__setup_stdout(struct perf_evlist *evlist __maybe_unused) if (!priv) return -ENOMEM; - err = bpf_map__set_private(map, priv, bpf_map_priv__clear); + err = bpf_map__set_priv(map, priv, bpf_map_priv__clear); if (err) { bpf_map_priv__clear(map, priv); return err; @@ -1607,7 +1644,7 @@ bpf_loader_strerror(int err, char *buf, size_t size) snprintf(buf, size, "Unknown bpf loader error %d", err); else snprintf(buf, size, "%s", - strerror_r(err, sbuf, sizeof(sbuf))); + str_error_r(err, sbuf, sizeof(sbuf))); buf[size - 1] = '\0'; return -1; @@ -1677,7 +1714,7 @@ int bpf__strerror_load(struct bpf_object *obj, { bpf__strerror_head(err, buf, size); case LIBBPF_ERRNO__KVER: { - unsigned int obj_kver = bpf_object__get_kversion(obj); + unsigned int obj_kver = bpf_object__kversion(obj); unsigned int real_kver; if (fetch_kernel_version(&real_kver, NULL, 0)) { diff --git a/tools/perf/util/bpf-loader.h b/tools/perf/util/bpf-loader.h index 941e17275aa7..f2b737b225f2 100644 --- a/tools/perf/util/bpf-loader.h +++ b/tools/perf/util/bpf-loader.h @@ -46,7 +46,7 @@ struct bpf_object; struct parse_events_term; #define PERF_BPF_PROBE_GROUP "perf_bpf_probe" -typedef int (*bpf_prog_iter_callback_t)(struct probe_trace_event *tev, +typedef int (*bpf_prog_iter_callback_t)(const char *group, const char *event, int fd, void *arg); #ifdef HAVE_LIBBPF_SUPPORT @@ -67,8 +67,8 @@ int bpf__strerror_probe(struct bpf_object *obj, int err, int bpf__load(struct bpf_object *obj); int bpf__strerror_load(struct bpf_object *obj, int err, char *buf, size_t size); -int bpf__foreach_tev(struct bpf_object *obj, - bpf_prog_iter_callback_t func, void *arg); +int bpf__foreach_event(struct bpf_object *obj, + bpf_prog_iter_callback_t func, void *arg); int bpf__config_obj(struct bpf_object *obj, struct parse_events_term *term, struct perf_evlist *evlist, int *error_pos); @@ -107,9 +107,9 @@ static inline int bpf__unprobe(struct bpf_object *obj __maybe_unused) { return 0 static inline int bpf__load(struct bpf_object *obj __maybe_unused) { return 0; } static inline int -bpf__foreach_tev(struct bpf_object *obj __maybe_unused, - bpf_prog_iter_callback_t func __maybe_unused, - void *arg __maybe_unused) +bpf__foreach_event(struct bpf_object *obj __maybe_unused, + bpf_prog_iter_callback_t func __maybe_unused, + void *arg __maybe_unused) { return 0; } diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index 67e5966503b2..5651f3c12f93 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -17,6 +17,7 @@ #include "tool.h" #include "header.h" #include "vdso.h" +#include "probe-file.h" static bool no_buildid_cache; @@ -144,7 +145,28 @@ static int asnprintf(char **strp, size_t size, const char *fmt, ...) return ret; } -static char *build_id__filename(const char *sbuild_id, char *bf, size_t size) +char *build_id_cache__kallsyms_path(const char *sbuild_id, char *bf, + size_t size) +{ + bool retry_old = true; + + snprintf(bf, size, "%s/%s/%s/kallsyms", + buildid_dir, DSO__NAME_KALLSYMS, sbuild_id); +retry: + if (!access(bf, F_OK)) + return bf; + if (retry_old) { + /* Try old style kallsyms cache */ + snprintf(bf, size, "%s/%s/%s", + buildid_dir, DSO__NAME_KALLSYMS, sbuild_id); + retry_old = false; + goto retry; + } + + return NULL; +} + +char *build_id_cache__linkname(const char *sbuild_id, char *bf, size_t size) { char *tmp = bf; int ret = asnprintf(&bf, size, "%s/.build-id/%.2s/%s", buildid_dir, @@ -154,23 +176,107 @@ static char *build_id__filename(const char *sbuild_id, char *bf, size_t size) return bf; } +char *build_id_cache__origname(const char *sbuild_id) +{ + char *linkname; + char buf[PATH_MAX]; + char *ret = NULL, *p; + size_t offs = 5; /* == strlen("../..") */ + + linkname = build_id_cache__linkname(sbuild_id, NULL, 0); + if (!linkname) + return NULL; + + if (readlink(linkname, buf, PATH_MAX) < 0) + goto out; + /* The link should be "../..<origpath>/<sbuild_id>" */ + p = strrchr(buf, '/'); /* Cut off the "/<sbuild_id>" */ + if (p && (p > buf + offs)) { + *p = '\0'; + if (buf[offs + 1] == '[') + offs++; /* + * This is a DSO name, like [kernel.kallsyms]. + * Skip the first '/', since this is not the + * cache of a regular file. + */ + ret = strdup(buf + offs); /* Skip "../..[/]" */ + } +out: + free(linkname); + return ret; +} + +/* Check if the given build_id cache is valid on current running system */ +static bool build_id_cache__valid_id(char *sbuild_id) +{ + char real_sbuild_id[SBUILD_ID_SIZE] = ""; + char *pathname; + int ret = 0; + bool result = false; + + pathname = build_id_cache__origname(sbuild_id); + if (!pathname) + return false; + + if (!strcmp(pathname, DSO__NAME_KALLSYMS)) + ret = sysfs__sprintf_build_id("/", real_sbuild_id); + else if (pathname[0] == '/') + ret = filename__sprintf_build_id(pathname, real_sbuild_id); + else + ret = -EINVAL; /* Should we support other special DSO cache? */ + if (ret >= 0) + result = (strcmp(sbuild_id, real_sbuild_id) == 0); + free(pathname); + + return result; +} + +static const char *build_id_cache__basename(bool is_kallsyms, bool is_vdso) +{ + return is_kallsyms ? "kallsyms" : (is_vdso ? "vdso" : "elf"); +} + char *dso__build_id_filename(const struct dso *dso, char *bf, size_t size) { - char build_id_hex[SBUILD_ID_SIZE]; + bool is_kallsyms = dso__is_kallsyms((struct dso *)dso); + bool is_vdso = dso__is_vdso((struct dso *)dso); + char sbuild_id[SBUILD_ID_SIZE]; + char *linkname; + bool alloc = (bf == NULL); + int ret; if (!dso->has_build_id) return NULL; - build_id__sprintf(dso->build_id, sizeof(dso->build_id), build_id_hex); - return build_id__filename(build_id_hex, bf, size); + build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id); + linkname = build_id_cache__linkname(sbuild_id, NULL, 0); + if (!linkname) + return NULL; + + /* Check if old style build_id cache */ + if (is_regular_file(linkname)) + ret = asnprintf(&bf, size, "%s", linkname); + else + ret = asnprintf(&bf, size, "%s/%s", linkname, + build_id_cache__basename(is_kallsyms, is_vdso)); + if (ret < 0 || (!alloc && size < (unsigned int)ret)) + bf = NULL; + free(linkname); + + return bf; } bool dso__build_id_is_kmod(const struct dso *dso, char *bf, size_t size) { - char *id_name, *ch; + char *id_name = NULL, *ch; struct stat sb; + char sbuild_id[SBUILD_ID_SIZE]; - id_name = dso__build_id_filename(dso, bf, size); + if (!dso->has_build_id) + goto err; + + build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id); + id_name = build_id_cache__linkname(sbuild_id, NULL, 0); if (!id_name) goto err; if (access(id_name, F_OK)) @@ -194,18 +300,14 @@ bool dso__build_id_is_kmod(const struct dso *dso, char *bf, size_t size) if (ch - 3 < bf) goto err; + free(id_name); return strncmp(".ko", ch - 3, 3) == 0; err: - /* - * If dso__build_id_filename work, get id_name again, - * because id_name points to bf and is broken. - */ - if (id_name) - id_name = dso__build_id_filename(dso, bf, size); pr_err("Invalid build id: %s\n", id_name ? : dso->long_name ? : dso->short_name ? : "[unknown]"); + free(id_name); return false; } @@ -340,8 +442,132 @@ void disable_buildid_cache(void) no_buildid_cache = true; } -static char *build_id_cache__dirname_from_path(const char *name, - bool is_kallsyms, bool is_vdso) +static bool lsdir_bid_head_filter(const char *name __maybe_unused, + struct dirent *d __maybe_unused) +{ + return (strlen(d->d_name) == 2) && + isxdigit(d->d_name[0]) && isxdigit(d->d_name[1]); +} + +static bool lsdir_bid_tail_filter(const char *name __maybe_unused, + struct dirent *d __maybe_unused) +{ + int i = 0; + while (isxdigit(d->d_name[i]) && i < SBUILD_ID_SIZE - 3) + i++; + return (i == SBUILD_ID_SIZE - 3) && (d->d_name[i] == '\0'); +} + +struct strlist *build_id_cache__list_all(bool validonly) +{ + struct strlist *toplist, *linklist = NULL, *bidlist; + struct str_node *nd, *nd2; + char *topdir, *linkdir = NULL; + char sbuild_id[SBUILD_ID_SIZE]; + + /* for filename__ functions */ + if (validonly) + symbol__init(NULL); + + /* Open the top-level directory */ + if (asprintf(&topdir, "%s/.build-id/", buildid_dir) < 0) + return NULL; + + bidlist = strlist__new(NULL, NULL); + if (!bidlist) + goto out; + + toplist = lsdir(topdir, lsdir_bid_head_filter); + if (!toplist) { + pr_debug("Error in lsdir(%s): %d\n", topdir, errno); + /* If there is no buildid cache, return an empty list */ + if (errno == ENOENT) + goto out; + goto err_out; + } + + strlist__for_each_entry(nd, toplist) { + if (asprintf(&linkdir, "%s/%s", topdir, nd->s) < 0) + goto err_out; + /* Open the lower-level directory */ + linklist = lsdir(linkdir, lsdir_bid_tail_filter); + if (!linklist) { + pr_debug("Error in lsdir(%s): %d\n", linkdir, errno); + goto err_out; + } + strlist__for_each_entry(nd2, linklist) { + if (snprintf(sbuild_id, SBUILD_ID_SIZE, "%s%s", + nd->s, nd2->s) != SBUILD_ID_SIZE - 1) + goto err_out; + if (validonly && !build_id_cache__valid_id(sbuild_id)) + continue; + if (strlist__add(bidlist, sbuild_id) < 0) + goto err_out; + } + strlist__delete(linklist); + zfree(&linkdir); + } + +out_free: + strlist__delete(toplist); +out: + free(topdir); + + return bidlist; + +err_out: + strlist__delete(linklist); + zfree(&linkdir); + strlist__delete(bidlist); + bidlist = NULL; + goto out_free; +} + +static bool str_is_build_id(const char *maybe_sbuild_id, size_t len) +{ + size_t i; + + for (i = 0; i < len; i++) { + if (!isxdigit(maybe_sbuild_id[i])) + return false; + } + return true; +} + +/* Return the valid complete build-id */ +char *build_id_cache__complement(const char *incomplete_sbuild_id) +{ + struct strlist *bidlist; + struct str_node *nd, *cand = NULL; + char *sbuild_id = NULL; + size_t len = strlen(incomplete_sbuild_id); + + if (len >= SBUILD_ID_SIZE || + !str_is_build_id(incomplete_sbuild_id, len)) + return NULL; + + bidlist = build_id_cache__list_all(true); + if (!bidlist) + return NULL; + + strlist__for_each_entry(nd, bidlist) { + if (strncmp(nd->s, incomplete_sbuild_id, len) != 0) + continue; + if (cand) { /* Error: There are more than 2 candidates. */ + cand = NULL; + break; + } + cand = nd; + } + if (cand) + sbuild_id = strdup(cand->s); + strlist__delete(bidlist); + + return sbuild_id; +} + +char *build_id_cache__cachedir(const char *sbuild_id, const char *name, + bool is_kallsyms, bool is_vdso) { char *realname = (char *)name, *filename; bool slash = is_kallsyms || is_vdso; @@ -352,8 +578,9 @@ static char *build_id_cache__dirname_from_path(const char *name, return NULL; } - if (asprintf(&filename, "%s%s%s", buildid_dir, slash ? "/" : "", - is_vdso ? DSO__NAME_VDSO : realname) < 0) + if (asprintf(&filename, "%s%s%s%s%s", buildid_dir, slash ? "/" : "", + is_vdso ? DSO__NAME_VDSO : realname, + sbuild_id ? "/" : "", sbuild_id ?: "") < 0) filename = NULL; if (!slash) @@ -368,7 +595,7 @@ int build_id_cache__list_build_ids(const char *pathname, char *dir_name; int ret = 0; - dir_name = build_id_cache__dirname_from_path(pathname, false, false); + dir_name = build_id_cache__cachedir(NULL, pathname, false, false); if (!dir_name) return -ENOMEM; @@ -380,12 +607,36 @@ int build_id_cache__list_build_ids(const char *pathname, return ret; } +#if defined(HAVE_LIBELF_SUPPORT) && defined(HAVE_GELF_GETNOTE_SUPPORT) +static int build_id_cache__add_sdt_cache(const char *sbuild_id, + const char *realname) +{ + struct probe_cache *cache; + int ret; + + cache = probe_cache__new(sbuild_id); + if (!cache) + return -1; + + ret = probe_cache__scan_sdt(cache, realname); + if (ret >= 0) { + pr_debug("Found %d SDTs in %s\n", ret, realname); + if (probe_cache__commit(cache) < 0) + ret = -1; + } + probe_cache__delete(cache); + return ret; +} +#else +#define build_id_cache__add_sdt_cache(sbuild_id, realname) (0) +#endif + int build_id_cache__add_s(const char *sbuild_id, const char *name, bool is_kallsyms, bool is_vdso) { const size_t size = PATH_MAX; char *realname = NULL, *filename = NULL, *dir_name = NULL, - *linkname = zalloc(size), *targetname, *tmp; + *linkname = zalloc(size), *tmp; int err = -1; if (!is_kallsyms) { @@ -394,14 +645,22 @@ int build_id_cache__add_s(const char *sbuild_id, const char *name, goto out_free; } - dir_name = build_id_cache__dirname_from_path(name, is_kallsyms, is_vdso); + dir_name = build_id_cache__cachedir(sbuild_id, name, + is_kallsyms, is_vdso); if (!dir_name) goto out_free; + /* Remove old style build-id cache */ + if (is_regular_file(dir_name)) + if (unlink(dir_name)) + goto out_free; + if (mkdir_p(dir_name, 0755)) goto out_free; - if (asprintf(&filename, "%s/%s", dir_name, sbuild_id) < 0) { + /* Save the allocated buildid dirname */ + if (asprintf(&filename, "%s/%s", dir_name, + build_id_cache__basename(is_kallsyms, is_vdso)) < 0) { filename = NULL; goto out_free; } @@ -415,7 +674,7 @@ int build_id_cache__add_s(const char *sbuild_id, const char *name, goto out_free; } - if (!build_id__filename(sbuild_id, linkname, size)) + if (!build_id_cache__linkname(sbuild_id, linkname, size)) goto out_free; tmp = strrchr(linkname, '/'); *tmp = '\0'; @@ -424,11 +683,16 @@ int build_id_cache__add_s(const char *sbuild_id, const char *name, goto out_free; *tmp = '/'; - targetname = filename + strlen(buildid_dir) - 5; - memcpy(targetname, "../..", 5); + tmp = dir_name + strlen(buildid_dir) - 5; + memcpy(tmp, "../..", 5); - if (symlink(targetname, linkname) == 0) + if (symlink(tmp, linkname) == 0) err = 0; + + /* Update SDT cache : error is just warned */ + if (build_id_cache__add_sdt_cache(sbuild_id, realname) < 0) + pr_debug("Failed to update/scan SDT cache for %s\n", realname); + out_free: if (!is_kallsyms) free(realname); @@ -452,7 +716,7 @@ static int build_id_cache__add_b(const u8 *build_id, size_t build_id_size, bool build_id_cache__cached(const char *sbuild_id) { bool ret = false; - char *filename = build_id__filename(sbuild_id, NULL, 0); + char *filename = build_id_cache__linkname(sbuild_id, NULL, 0); if (filename && !access(filename, F_OK)) ret = true; @@ -471,7 +735,7 @@ int build_id_cache__remove_s(const char *sbuild_id) if (filename == NULL || linkname == NULL) goto out_free; - if (!build_id__filename(sbuild_id, linkname, size)) + if (!build_id_cache__linkname(sbuild_id, linkname, size)) goto out_free; if (access(linkname, F_OK)) @@ -489,7 +753,7 @@ int build_id_cache__remove_s(const char *sbuild_id) tmp = strrchr(linkname, '/') + 1; snprintf(tmp, size - (tmp - linkname), "%s", filename); - if (unlink(linkname)) + if (rm_rf(linkname)) goto out_free; err = 0; @@ -501,7 +765,7 @@ out_free: static int dso__cache_build_id(struct dso *dso, struct machine *machine) { - bool is_kallsyms = dso->kernel && dso->long_name[0] != '/'; + bool is_kallsyms = dso__is_kallsyms(dso); bool is_vdso = dso__is_vdso(dso); const char *name = dso->long_name; char nm[PATH_MAX]; diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h index 64af3e20610d..d27990610f9f 100644 --- a/tools/perf/util/build-id.h +++ b/tools/perf/util/build-id.h @@ -14,6 +14,8 @@ struct dso; int build_id__sprintf(const u8 *build_id, int len, char *bf); int sysfs__sprintf_build_id(const char *root_dir, char *sbuild_id); int filename__sprintf_build_id(const char *pathname, char *sbuild_id); +char *build_id_cache__kallsyms_path(const char *sbuild_id, char *bf, + size_t size); char *dso__build_id_filename(const struct dso *dso, char *bf, size_t size); bool dso__build_id_is_kmod(const struct dso *dso, char *bf, size_t size); @@ -28,6 +30,12 @@ bool perf_session__read_build_ids(struct perf_session *session, bool with_hits); int perf_session__write_buildid_table(struct perf_session *session, int fd); int perf_session__cache_build_ids(struct perf_session *session); +char *build_id_cache__origname(const char *sbuild_id); +char *build_id_cache__linkname(const char *sbuild_id, char *bf, size_t size); +char *build_id_cache__cachedir(const char *sbuild_id, const char *name, + bool is_kallsyms, bool is_vdso); +struct strlist *build_id_cache__list_all(bool validonly); +char *build_id_cache__complement(const char *incomplete_sbuild_id); int build_id_cache__list_build_ids(const char *pathname, struct strlist **result); bool build_id_cache__cached(const char *sbuild_id); diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h index 0d814bb74661..512c0c83fbc6 100644 --- a/tools/perf/util/cache.h +++ b/tools/perf/util/cache.h @@ -1,40 +1,20 @@ #ifndef __PERF_CACHE_H #define __PERF_CACHE_H -#include <stdbool.h> -#include "util.h" #include "strbuf.h" #include <subcmd/pager.h> -#include "../perf.h" #include "../ui/ui.h" #include <linux/string.h> #define CMD_EXEC_PATH "--exec-path" -#define CMD_PERF_DIR "--perf-dir=" -#define CMD_WORK_TREE "--work-tree=" #define CMD_DEBUGFS_DIR "--debugfs-dir=" -#define PERF_DIR_ENVIRONMENT "PERF_DIR" -#define PERF_WORK_TREE_ENVIRONMENT "PERF_WORK_TREE" #define EXEC_PATH_ENVIRONMENT "PERF_EXEC_PATH" -#define DEFAULT_PERF_DIR_ENVIRONMENT ".perf" #define PERF_DEBUGFS_ENVIRONMENT "PERF_DEBUGFS_DIR" #define PERF_TRACEFS_ENVIRONMENT "PERF_TRACEFS_DIR" #define PERF_PAGER_ENVIRONMENT "PERF_PAGER" -extern const char *config_exclusive_filename; - -typedef int (*config_fn_t)(const char *, const char *, void *); -int perf_default_config(const char *, const char *, void *); -int perf_config(config_fn_t fn, void *); -int perf_config_int(const char *, const char *); -u64 perf_config_u64(const char *, const char *); -int perf_config_bool(const char *, const char *); -int config_error_nonbool(const char *); -const char *perf_config_dirname(const char *, const char *); -const char *perf_etc_perfconfig(void); - char *alias_lookup(const char *alias); int split_cmdline(char *cmdline, const char ***argv); @@ -45,9 +25,6 @@ static inline int is_absolute_path(const char *path) return path[0] == '/'; } -char *strip_path_suffix(const char *path, const char *suffix); - char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2))); -char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2))); #endif /* __PERF_CACHE_H */ diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h index 65e2a4f7cb4e..13e75549c440 100644 --- a/tools/perf/util/callchain.h +++ b/tools/perf/util/callchain.h @@ -94,6 +94,7 @@ struct callchain_param { enum perf_call_graph_mode record_mode; u32 dump_size; enum chain_mode mode; + u16 max_stack; u32 print_limit; double min_percent; sort_chain_func_t sort; @@ -105,6 +106,7 @@ struct callchain_param { }; extern struct callchain_param callchain_param; +extern struct callchain_param callchain_param_default; struct callchain_list { u64 ip; diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c index 90aa1b46b2e5..8fdee24725a7 100644 --- a/tools/perf/util/cgroup.c +++ b/tools/perf/util/cgroup.c @@ -81,7 +81,7 @@ static int add_cgroup(struct perf_evlist *evlist, char *str) /* * check if cgrp is already defined, if so we reuse it */ - evlist__for_each(evlist, counter) { + evlist__for_each_entry(evlist, counter) { cgrp = counter->cgrp; if (!cgrp) continue; @@ -110,7 +110,7 @@ static int add_cgroup(struct perf_evlist *evlist, char *str) * if add cgroup N, then need to find event N */ n = 0; - evlist__for_each(evlist, counter) { + evlist__for_each_entry(evlist, counter) { if (n == nr_cgroups) goto found; n++; diff --git a/tools/perf/util/cloexec.c b/tools/perf/util/cloexec.c index 2babddaa2481..f0dcd0ee0afa 100644 --- a/tools/perf/util/cloexec.c +++ b/tools/perf/util/cloexec.c @@ -4,18 +4,24 @@ #include "cloexec.h" #include "asm/bug.h" #include "debug.h" +#include <unistd.h> +#include <asm/unistd.h> +#include <sys/syscall.h> static unsigned long flag = PERF_FLAG_FD_CLOEXEC; -#ifdef __GLIBC_PREREQ -#if !__GLIBC_PREREQ(2, 6) int __weak sched_getcpu(void) { +#ifdef __NR_getcpu + unsigned cpu; + int err = syscall(__NR_getcpu, &cpu, NULL, NULL); + if (!err) + return cpu; +#else errno = ENOSYS; +#endif return -1; } -#endif -#endif static int perf_flag_probe(void) { @@ -58,7 +64,7 @@ static int perf_flag_probe(void) WARN_ONCE(err != EINVAL && err != EBUSY, "perf_event_open(..., PERF_FLAG_FD_CLOEXEC) failed with unexpected error %d (%s)\n", - err, strerror_r(err, sbuf, sizeof(sbuf))); + err, str_error_r(err, sbuf, sizeof(sbuf))); /* not supported, confirm error related to PERF_FLAG_FD_CLOEXEC */ while (1) { @@ -76,7 +82,7 @@ static int perf_flag_probe(void) if (WARN_ONCE(fd < 0 && err != EBUSY, "perf_event_open(..., 0) failed unexpectedly with error %d (%s)\n", - err, strerror_r(err, sbuf, sizeof(sbuf)))) + err, str_error_r(err, sbuf, sizeof(sbuf)))) return -1; return 0; diff --git a/tools/perf/util/color.c b/tools/perf/util/color.c index 43e84aa27e4a..dbbf89b050a5 100644 --- a/tools/perf/util/color.c +++ b/tools/perf/util/color.c @@ -1,7 +1,11 @@ #include <linux/kernel.h> #include "cache.h" +#include "config.h" +#include <stdlib.h> +#include <stdio.h> #include "color.h" #include <math.h> +#include <unistd.h> int perf_use_color_default = -1; diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c index dad7d8272168..18dae745034f 100644 --- a/tools/perf/util/config.c +++ b/tools/perf/util/config.c @@ -26,6 +26,7 @@ static FILE *config_file; static const char *config_file_name; static int config_linenr; static int config_file_eof; +static struct perf_config_set *config_set; const char *config_exclusive_filename; @@ -275,7 +276,8 @@ static int perf_parse_file(config_fn_t fn, void *data) break; } } - die("bad config file line %d in %s", config_linenr, config_file_name); + pr_err("bad config file line %d in %s\n", config_linenr, config_file_name); + return -1; } static int parse_unit_factor(const char *end, unsigned long *val) @@ -371,7 +373,7 @@ int perf_config_bool(const char *name, const char *value) return !!perf_config_bool_or_int(name, value, &discard); } -const char *perf_config_dirname(const char *name, const char *value) +static const char *perf_config_dirname(const char *name, const char *value) { if (!name) return NULL; @@ -477,54 +479,6 @@ static int perf_config_global(void) return !perf_env_bool("PERF_CONFIG_NOGLOBAL", 0); } -int perf_config(config_fn_t fn, void *data) -{ - int ret = 0, found = 0; - const char *home = NULL; - - /* Setting $PERF_CONFIG makes perf read _only_ the given config file. */ - if (config_exclusive_filename) - return perf_config_from_file(fn, config_exclusive_filename, data); - if (perf_config_system() && !access(perf_etc_perfconfig(), R_OK)) { - ret += perf_config_from_file(fn, perf_etc_perfconfig(), - data); - found += 1; - } - - home = getenv("HOME"); - if (perf_config_global() && home) { - char *user_config = strdup(mkpath("%s/.perfconfig", home)); - struct stat st; - - if (user_config == NULL) { - warning("Not enough memory to process %s/.perfconfig, " - "ignoring it.", home); - goto out; - } - - if (stat(user_config, &st) < 0) - goto out_free; - - if (st.st_uid && (st.st_uid != geteuid())) { - warning("File %s not owned by current user or root, " - "ignoring it.", user_config); - goto out_free; - } - - if (!st.st_size) - goto out_free; - - ret += perf_config_from_file(fn, user_config, data); - found += 1; -out_free: - free(user_config); - } -out: - if (found == 0) - return -1; - return ret; -} - static struct perf_config_section *find_section(struct list_head *sections, const char *section_name) { @@ -609,8 +563,12 @@ static int collect_config(const char *var, const char *value, struct perf_config_section *section = NULL; struct perf_config_item *item = NULL; struct perf_config_set *set = perf_config_set; - struct list_head *sections = &set->sections; + struct list_head *sections; + + if (set == NULL) + return -1; + sections = &set->sections; key = ptr = strdup(var); if (!key) { pr_debug("%s: strdup failed\n", __func__); @@ -641,22 +599,115 @@ static int collect_config(const char *var, const char *value, out_free: free(key); - perf_config_set__delete(set); return -1; } +static int perf_config_set__init(struct perf_config_set *set) +{ + int ret = -1; + const char *home = NULL; + + /* Setting $PERF_CONFIG makes perf read _only_ the given config file. */ + if (config_exclusive_filename) + return perf_config_from_file(collect_config, config_exclusive_filename, set); + if (perf_config_system() && !access(perf_etc_perfconfig(), R_OK)) { + if (perf_config_from_file(collect_config, perf_etc_perfconfig(), set) < 0) + goto out; + } + + home = getenv("HOME"); + if (perf_config_global() && home) { + char *user_config = strdup(mkpath("%s/.perfconfig", home)); + struct stat st; + + if (user_config == NULL) { + warning("Not enough memory to process %s/.perfconfig, " + "ignoring it.", home); + goto out; + } + + if (stat(user_config, &st) < 0) + goto out_free; + + if (st.st_uid && (st.st_uid != geteuid())) { + warning("File %s not owned by current user or root, " + "ignoring it.", user_config); + goto out_free; + } + + if (!st.st_size) + goto out_free; + + ret = perf_config_from_file(collect_config, user_config, set); + +out_free: + free(user_config); + } +out: + return ret; +} + struct perf_config_set *perf_config_set__new(void) { struct perf_config_set *set = zalloc(sizeof(*set)); if (set) { INIT_LIST_HEAD(&set->sections); - perf_config(collect_config, set); + if (perf_config_set__init(set) < 0) { + perf_config_set__delete(set); + set = NULL; + } } return set; } +int perf_config(config_fn_t fn, void *data) +{ + int ret = 0; + char key[BUFSIZ]; + struct perf_config_section *section; + struct perf_config_item *item; + + if (config_set == NULL) + return -1; + + perf_config_set__for_each_entry(config_set, section, item) { + char *value = item->value; + + if (value) { + scnprintf(key, sizeof(key), "%s.%s", + section->name, item->name); + ret = fn(key, value, data); + if (ret < 0) { + pr_err("Error: wrong config key-value pair %s=%s\n", + key, value); + break; + } + } + } + + return ret; +} + +void perf_config__init(void) +{ + if (config_set == NULL) + config_set = perf_config_set__new(); +} + +void perf_config__exit(void) +{ + perf_config_set__delete(config_set); + config_set = NULL; +} + +void perf_config__refresh(void) +{ + perf_config__exit(); + perf_config__init(); +} + static void perf_config_item__delete(struct perf_config_item *item) { zfree(&item->name); @@ -693,6 +744,9 @@ static void perf_config_set__purge(struct perf_config_set *set) void perf_config_set__delete(struct perf_config_set *set) { + if (set == NULL) + return; + perf_config_set__purge(set); free(set); } diff --git a/tools/perf/util/config.h b/tools/perf/util/config.h index 22ec626ac718..6f813d46045e 100644 --- a/tools/perf/util/config.h +++ b/tools/perf/util/config.h @@ -20,7 +20,47 @@ struct perf_config_set { struct list_head sections; }; +extern const char *config_exclusive_filename; + +typedef int (*config_fn_t)(const char *, const char *, void *); +int perf_default_config(const char *, const char *, void *); +int perf_config(config_fn_t fn, void *); +int perf_config_int(const char *, const char *); +u64 perf_config_u64(const char *, const char *); +int perf_config_bool(const char *, const char *); +int config_error_nonbool(const char *); +const char *perf_etc_perfconfig(void); + struct perf_config_set *perf_config_set__new(void); void perf_config_set__delete(struct perf_config_set *set); +void perf_config__init(void); +void perf_config__exit(void); +void perf_config__refresh(void); + +/** + * perf_config_sections__for_each - iterate thru all the sections + * @list: list_head instance to iterate + * @section: struct perf_config_section iterator + */ +#define perf_config_sections__for_each_entry(list, section) \ + list_for_each_entry(section, list, node) + +/** + * perf_config_items__for_each - iterate thru all the items + * @list: list_head instance to iterate + * @item: struct perf_config_item iterator + */ +#define perf_config_items__for_each_entry(list, item) \ + list_for_each_entry(item, list, node) + +/** + * perf_config_set__for_each - iterate thru all the config section-item pairs + * @set: evlist instance to iterate + * @section: struct perf_config_section iterator + * @item: struct perf_config_item iterator + */ +#define perf_config_set__for_each_entry(set, section, item) \ + perf_config_sections__for_each_entry(&set->sections, section) \ + perf_config_items__for_each_entry(§ion->items, item) #endif /* __PERF_CONFIG_H */ diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c index 02d801670f30..2c0b52264a46 100644 --- a/tools/perf/util/cpumap.c +++ b/tools/perf/util/cpumap.c @@ -236,13 +236,12 @@ struct cpu_map *cpu_map__new_data(struct cpu_map_data *data) size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp) { - int i; - size_t printed = fprintf(fp, "%d cpu%s: ", - map->nr, map->nr > 1 ? "s" : ""); - for (i = 0; i < map->nr; ++i) - printed += fprintf(fp, "%s%d", i ? ", " : "", map->map[i]); +#define BUFSIZE 1024 + char buf[BUFSIZE]; - return printed + fprintf(fp, "\n"); + cpu_map__snprint(map, buf, sizeof(buf)); + return fprintf(fp, "%s\n", buf); +#undef BUFSIZE } struct cpu_map *cpu_map__dummy_new(void) @@ -590,12 +589,65 @@ int cpu__setup_cpunode_map(void) bool cpu_map__has(struct cpu_map *cpus, int cpu) { + return cpu_map__idx(cpus, cpu) != -1; +} + +int cpu_map__idx(struct cpu_map *cpus, int cpu) +{ int i; for (i = 0; i < cpus->nr; ++i) { if (cpus->map[i] == cpu) - return true; + return i; + } + + return -1; +} + +int cpu_map__cpu(struct cpu_map *cpus, int idx) +{ + return cpus->map[idx]; +} + +size_t cpu_map__snprint(struct cpu_map *map, char *buf, size_t size) +{ + int i, cpu, start = -1; + bool first = true; + size_t ret = 0; + +#define COMMA first ? "" : "," + + for (i = 0; i < map->nr + 1; i++) { + bool last = i == map->nr; + + cpu = last ? INT_MAX : map->map[i]; + + if (start == -1) { + start = i; + if (last) { + ret += snprintf(buf + ret, size - ret, + "%s%d", COMMA, + map->map[i]); + } + } else if (((i - start) != (cpu - map->map[start])) || last) { + int end = i - 1; + + if (start == end) { + ret += snprintf(buf + ret, size - ret, + "%s%d", COMMA, + map->map[start]); + } else { + ret += snprintf(buf + ret, size - ret, + "%s%d-%d", COMMA, + map->map[start], map->map[end]); + } + first = false; + start = i; + } } - return false; +#undef COMMA + + pr_debug("cpumask list: %s\n", buf); + return ret; } diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h index 1a0a35073ce1..06bd689f5989 100644 --- a/tools/perf/util/cpumap.h +++ b/tools/perf/util/cpumap.h @@ -19,6 +19,7 @@ struct cpu_map *cpu_map__empty_new(int nr); struct cpu_map *cpu_map__dummy_new(void); struct cpu_map *cpu_map__new_data(struct cpu_map_data *data); struct cpu_map *cpu_map__read(FILE *file); +size_t cpu_map__snprint(struct cpu_map *map, char *buf, size_t size); size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp); int cpu_map__get_socket_id(int cpu); int cpu_map__get_socket(struct cpu_map *map, int idx, void *data); @@ -67,5 +68,7 @@ int cpu_map__build_map(struct cpu_map *cpus, struct cpu_map **res, int (*f)(struct cpu_map *map, int cpu, void *data), void *data); +int cpu_map__cpu(struct cpu_map *cpus, int idx); bool cpu_map__has(struct cpu_map *cpus, int cpu); +int cpu_map__idx(struct cpu_map *cpus, int cpu); #endif /* __PERF_CPUMAP_H */ diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c index 9f53020c3269..4f979bb27b6c 100644 --- a/tools/perf/util/data-convert-bt.c +++ b/tools/perf/util/data-convert-bt.c @@ -26,6 +26,7 @@ #include "evlist.h" #include "evsel.h" #include "machine.h" +#include "config.h" #define pr_N(n, fmt, ...) \ eprintf(n, debug_data_convert, fmt, ##__VA_ARGS__) @@ -68,6 +69,9 @@ struct ctf_writer { }; struct bt_ctf_field_type *array[6]; } data; + struct bt_ctf_event_class *comm_class; + struct bt_ctf_event_class *exit_class; + struct bt_ctf_event_class *fork_class; }; struct convert { @@ -76,6 +80,7 @@ struct convert { u64 events_size; u64 events_count; + u64 non_sample_count; /* Ordered events configured queue size. */ u64 queue_size; @@ -140,6 +145,36 @@ FUNC_VALUE_SET(s64) FUNC_VALUE_SET(u64) __FUNC_VALUE_SET(u64_hex, u64) +static int string_set_value(struct bt_ctf_field *field, const char *string); +static __maybe_unused int +value_set_string(struct ctf_writer *cw, struct bt_ctf_event *event, + const char *name, const char *string) +{ + struct bt_ctf_field_type *type = cw->data.string; + struct bt_ctf_field *field; + int ret = 0; + + field = bt_ctf_field_create(type); + if (!field) { + pr_err("failed to create a field %s\n", name); + return -1; + } + + ret = string_set_value(field, string); + if (ret) { + pr_err("failed to set value %s\n", name); + goto err_put_field; + } + + ret = bt_ctf_event_set_payload(event, name, field); + if (ret) + pr_err("failed to set payload %s\n", name); + +err_put_field: + bt_ctf_field_put(field); + return ret; +} + static struct bt_ctf_field_type* get_tracepoint_field_type(struct ctf_writer *cw, struct format_field *field) { @@ -731,6 +766,72 @@ static int process_sample_event(struct perf_tool *tool, return cs ? 0 : -1; } +#define __NON_SAMPLE_SET_FIELD(_name, _type, _field) \ +do { \ + ret = value_set_##_type(cw, event, #_field, _event->_name._field);\ + if (ret) \ + return -1; \ +} while(0) + +#define __FUNC_PROCESS_NON_SAMPLE(_name, body) \ +static int process_##_name##_event(struct perf_tool *tool, \ + union perf_event *_event, \ + struct perf_sample *sample, \ + struct machine *machine) \ +{ \ + struct convert *c = container_of(tool, struct convert, tool);\ + struct ctf_writer *cw = &c->writer; \ + struct bt_ctf_event_class *event_class = cw->_name##_class;\ + struct bt_ctf_event *event; \ + struct ctf_stream *cs; \ + int ret; \ + \ + c->non_sample_count++; \ + c->events_size += _event->header.size; \ + event = bt_ctf_event_create(event_class); \ + if (!event) { \ + pr_err("Failed to create an CTF event\n"); \ + return -1; \ + } \ + \ + bt_ctf_clock_set_time(cw->clock, sample->time); \ + body \ + cs = ctf_stream(cw, 0); \ + if (cs) { \ + if (is_flush_needed(cs)) \ + ctf_stream__flush(cs); \ + \ + cs->count++; \ + bt_ctf_stream_append_event(cs->stream, event); \ + } \ + bt_ctf_event_put(event); \ + \ + return perf_event__process_##_name(tool, _event, sample, machine);\ +} + +__FUNC_PROCESS_NON_SAMPLE(comm, + __NON_SAMPLE_SET_FIELD(comm, u32, pid); + __NON_SAMPLE_SET_FIELD(comm, u32, tid); + __NON_SAMPLE_SET_FIELD(comm, string, comm); +) +__FUNC_PROCESS_NON_SAMPLE(fork, + __NON_SAMPLE_SET_FIELD(fork, u32, pid); + __NON_SAMPLE_SET_FIELD(fork, u32, ppid); + __NON_SAMPLE_SET_FIELD(fork, u32, tid); + __NON_SAMPLE_SET_FIELD(fork, u32, ptid); + __NON_SAMPLE_SET_FIELD(fork, u64, time); +) + +__FUNC_PROCESS_NON_SAMPLE(exit, + __NON_SAMPLE_SET_FIELD(fork, u32, pid); + __NON_SAMPLE_SET_FIELD(fork, u32, ppid); + __NON_SAMPLE_SET_FIELD(fork, u32, tid); + __NON_SAMPLE_SET_FIELD(fork, u32, ptid); + __NON_SAMPLE_SET_FIELD(fork, u64, time); +) +#undef __NON_SAMPLE_SET_FIELD +#undef __FUNC_PROCESS_NON_SAMPLE + /* If dup < 0, add a prefix. Else, add _dupl_X suffix. */ static char *change_name(char *name, char *orig_name, int dup) { @@ -997,7 +1098,7 @@ static int setup_events(struct ctf_writer *cw, struct perf_session *session) struct perf_evsel *evsel; int ret; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { ret = add_event(cw, evsel); if (ret) return ret; @@ -1005,12 +1106,86 @@ static int setup_events(struct ctf_writer *cw, struct perf_session *session) return 0; } +#define __NON_SAMPLE_ADD_FIELD(t, n) \ + do { \ + pr2(" field '%s'\n", #n); \ + if (bt_ctf_event_class_add_field(event_class, cw->data.t, #n)) {\ + pr_err("Failed to add field '%s';\n", #n);\ + return -1; \ + } \ + } while(0) + +#define __FUNC_ADD_NON_SAMPLE_EVENT_CLASS(_name, body) \ +static int add_##_name##_event(struct ctf_writer *cw) \ +{ \ + struct bt_ctf_event_class *event_class; \ + int ret; \ + \ + pr("Adding "#_name" event\n"); \ + event_class = bt_ctf_event_class_create("perf_" #_name);\ + if (!event_class) \ + return -1; \ + body \ + \ + ret = bt_ctf_stream_class_add_event_class(cw->stream_class, event_class);\ + if (ret) { \ + pr("Failed to add event class '"#_name"' into stream.\n");\ + return ret; \ + } \ + \ + cw->_name##_class = event_class; \ + bt_ctf_event_class_put(event_class); \ + return 0; \ +} + +__FUNC_ADD_NON_SAMPLE_EVENT_CLASS(comm, + __NON_SAMPLE_ADD_FIELD(u32, pid); + __NON_SAMPLE_ADD_FIELD(u32, tid); + __NON_SAMPLE_ADD_FIELD(string, comm); +) + +__FUNC_ADD_NON_SAMPLE_EVENT_CLASS(fork, + __NON_SAMPLE_ADD_FIELD(u32, pid); + __NON_SAMPLE_ADD_FIELD(u32, ppid); + __NON_SAMPLE_ADD_FIELD(u32, tid); + __NON_SAMPLE_ADD_FIELD(u32, ptid); + __NON_SAMPLE_ADD_FIELD(u64, time); +) + +__FUNC_ADD_NON_SAMPLE_EVENT_CLASS(exit, + __NON_SAMPLE_ADD_FIELD(u32, pid); + __NON_SAMPLE_ADD_FIELD(u32, ppid); + __NON_SAMPLE_ADD_FIELD(u32, tid); + __NON_SAMPLE_ADD_FIELD(u32, ptid); + __NON_SAMPLE_ADD_FIELD(u64, time); +) + +#undef __NON_SAMPLE_ADD_FIELD +#undef __FUNC_ADD_NON_SAMPLE_EVENT_CLASS + +static int setup_non_sample_events(struct ctf_writer *cw, + struct perf_session *session __maybe_unused) +{ + int ret; + + ret = add_comm_event(cw); + if (ret) + return ret; + ret = add_exit_event(cw); + if (ret) + return ret; + ret = add_fork_event(cw); + if (ret) + return ret; + return 0; +} + static void cleanup_events(struct perf_session *session) { struct perf_evlist *evlist = session->evlist; struct perf_evsel *evsel; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { struct evsel_priv *priv; priv = evsel->priv; @@ -1273,13 +1448,14 @@ static int convert__config(const char *var, const char *value, void *cb) return 0; } -int bt_convert__perf2ctf(const char *input, const char *path, bool force) +int bt_convert__perf2ctf(const char *input, const char *path, + struct perf_data_convert_opts *opts) { struct perf_session *session; struct perf_data_file file = { .path = input, .mode = PERF_DATA_MODE_READ, - .force = force, + .force = opts->force, }; struct convert c = { .tool = { @@ -1299,6 +1475,12 @@ int bt_convert__perf2ctf(const char *input, const char *path, bool force) struct ctf_writer *cw = &c.writer; int err = -1; + if (opts->all) { + c.tool.comm = process_comm_event; + c.tool.exit = process_exit_event; + c.tool.fork = process_fork_event; + } + perf_config(convert__config, &c); /* CTF writer */ @@ -1323,6 +1505,9 @@ int bt_convert__perf2ctf(const char *input, const char *path, bool force) if (setup_events(cw, session)) goto free_session; + if (opts->all && setup_non_sample_events(cw, session)) + goto free_session; + if (setup_streams(cw, session)) goto free_session; @@ -1337,10 +1522,15 @@ int bt_convert__perf2ctf(const char *input, const char *path, bool force) file.path, path); fprintf(stderr, - "[ perf data convert: Converted and wrote %.3f MB (%" PRIu64 " samples) ]\n", + "[ perf data convert: Converted and wrote %.3f MB (%" PRIu64 " samples", (double) c.events_size / 1024.0 / 1024.0, c.events_count); + if (!c.non_sample_count) + fprintf(stderr, ") ]\n"); + else + fprintf(stderr, ", %" PRIu64 " non-samples) ]\n", c.non_sample_count); + cleanup_events(session); perf_session__delete(session); ctf_writer__cleanup(cw); diff --git a/tools/perf/util/data-convert-bt.h b/tools/perf/util/data-convert-bt.h index 4c204342a9d8..9a3b587f76c1 100644 --- a/tools/perf/util/data-convert-bt.h +++ b/tools/perf/util/data-convert-bt.h @@ -1,8 +1,10 @@ #ifndef __DATA_CONVERT_BT_H #define __DATA_CONVERT_BT_H +#include "data-convert.h" #ifdef HAVE_LIBBABELTRACE_SUPPORT -int bt_convert__perf2ctf(const char *input_name, const char *to_ctf, bool force); +int bt_convert__perf2ctf(const char *input_name, const char *to_ctf, + struct perf_data_convert_opts *opts); #endif /* HAVE_LIBBABELTRACE_SUPPORT */ #endif /* __DATA_CONVERT_BT_H */ diff --git a/tools/perf/util/data-convert.h b/tools/perf/util/data-convert.h new file mode 100644 index 000000000000..5314962fe95b --- /dev/null +++ b/tools/perf/util/data-convert.h @@ -0,0 +1,9 @@ +#ifndef __DATA_CONVERT_H +#define __DATA_CONVERT_H + +struct perf_data_convert_opts { + bool force; + bool all; +}; + +#endif /* __DATA_CONVERT_H */ diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c index be83516155ee..60bfc9ca1e22 100644 --- a/tools/perf/util/data.c +++ b/tools/perf/util/data.c @@ -57,7 +57,7 @@ static int open_file_read(struct perf_data_file *file) int err = errno; pr_err("failed to open %s: %s", file->path, - strerror_r(err, sbuf, sizeof(sbuf))); + str_error_r(err, sbuf, sizeof(sbuf))); if (err == ENOENT && !strcmp(file->path, "perf.data")) pr_err(" (try 'perf record' first)"); pr_err("\n"); @@ -99,7 +99,7 @@ static int open_file_write(struct perf_data_file *file) if (fd < 0) pr_err("failed to open %s : %s\n", file->path, - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); return fd; } diff --git a/tools/perf/util/db-export.c b/tools/perf/util/db-export.c index c9a6dc173e74..b0c2b5c5d337 100644 --- a/tools/perf/util/db-export.c +++ b/tools/perf/util/db-export.c @@ -233,17 +233,6 @@ int db_export__symbol(struct db_export *dbe, struct symbol *sym, return 0; } -static struct thread *get_main_thread(struct machine *machine, struct thread *thread) -{ - if (thread->pid_ == thread->tid) - return thread__get(thread); - - if (thread->pid_ == -1) - return NULL; - - return machine__find_thread(machine, thread->pid_, thread->pid_); -} - static int db_ids_from_al(struct db_export *dbe, struct addr_location *al, u64 *dso_db_id, u64 *sym_db_id, u64 *offset) { @@ -382,7 +371,7 @@ int db_export__sample(struct db_export *dbe, union perf_event *event, if (err) return err; - main_thread = get_main_thread(al->machine, thread); + main_thread = thread__main_thread(al->machine, thread); if (main_thread) comm = machine__thread_exec_comm(al->machine, main_thread); diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h index 14bafda79eda..d242adc3d5a2 100644 --- a/tools/perf/util/debug.h +++ b/tools/perf/util/debug.h @@ -38,7 +38,7 @@ extern int debug_data_convert; #define pr_oe_time(t, fmt, ...) pr_time_N(1, debug_ordered_events, t, pr_fmt(fmt), ##__VA_ARGS__) #define pr_oe_time2(t, fmt, ...) pr_time_N(2, debug_ordered_events, t, pr_fmt(fmt), ##__VA_ARGS__) -#define STRERR_BUFSIZE 128 /* For the buffer size of strerror_r */ +#define STRERR_BUFSIZE 128 /* For the buffer size of str_error_r */ int dump_printf(const char *fmt, ...) __attribute__((format(printf, 1, 2))); void trace_event(union perf_event *event); diff --git a/tools/perf/util/demangle-rust.c b/tools/perf/util/demangle-rust.c new file mode 100644 index 000000000000..f9dafa888c06 --- /dev/null +++ b/tools/perf/util/demangle-rust.c @@ -0,0 +1,269 @@ +#include <string.h> +#include "util.h" +#include "debug.h" + +#include "demangle-rust.h" + +/* + * Mangled Rust symbols look like this: + * + * _$LT$std..sys..fd..FileDesc$u20$as$u20$core..ops..Drop$GT$::drop::hc68340e1baa4987a + * + * The original symbol is: + * + * <std::sys::fd::FileDesc as core::ops::Drop>::drop + * + * The last component of the path is a 64-bit hash in lowercase hex, prefixed + * with "h". Rust does not have a global namespace between crates, an illusion + * which Rust maintains by using the hash to distinguish things that would + * otherwise have the same symbol. + * + * Any path component not starting with a XID_Start character is prefixed with + * "_". + * + * The following escape sequences are used: + * + * "," => $C$ + * "@" => $SP$ + * "*" => $BP$ + * "&" => $RF$ + * "<" => $LT$ + * ">" => $GT$ + * "(" => $LP$ + * ")" => $RP$ + * " " => $u20$ + * "'" => $u27$ + * "[" => $u5b$ + * "]" => $u5d$ + * "~" => $u7e$ + * + * A double ".." means "::" and a single "." means "-". + * + * The only characters allowed in the mangled symbol are a-zA-Z0-9 and _.:$ + */ + +static const char *hash_prefix = "::h"; +static const size_t hash_prefix_len = 3; +static const size_t hash_len = 16; + +static bool is_prefixed_hash(const char *start); +static bool looks_like_rust(const char *sym, size_t len); +static bool unescape(const char **in, char **out, const char *seq, char value); + +/* + * INPUT: + * sym: symbol that has been through BFD-demangling + * + * This function looks for the following indicators: + * + * 1. The hash must consist of "h" followed by 16 lowercase hex digits. + * + * 2. As a sanity check, the hash must use between 5 and 15 of the 16 possible + * hex digits. This is true of 99.9998% of hashes so once in your life you + * may see a false negative. The point is to notice path components that + * could be Rust hashes but are probably not, like "haaaaaaaaaaaaaaaa". In + * this case a false positive (non-Rust symbol has an important path + * component removed because it looks like a Rust hash) is worse than a + * false negative (the rare Rust symbol is not demangled) so this sets the + * balance in favor of false negatives. + * + * 3. There must be no characters other than a-zA-Z0-9 and _.:$ + * + * 4. There must be no unrecognized $-sign sequences. + * + * 5. There must be no sequence of three or more dots in a row ("..."). + */ +bool +rust_is_mangled(const char *sym) +{ + size_t len, len_without_hash; + + if (!sym) + return false; + + len = strlen(sym); + if (len <= hash_prefix_len + hash_len) + /* Not long enough to contain "::h" + hash + something else */ + return false; + + len_without_hash = len - (hash_prefix_len + hash_len); + if (!is_prefixed_hash(sym + len_without_hash)) + return false; + + return looks_like_rust(sym, len_without_hash); +} + +/* + * A hash is the prefix "::h" followed by 16 lowercase hex digits. The hex + * digits must comprise between 5 and 15 (inclusive) distinct digits. + */ +static bool is_prefixed_hash(const char *str) +{ + const char *end; + bool seen[16]; + size_t i; + int count; + + if (strncmp(str, hash_prefix, hash_prefix_len)) + return false; + str += hash_prefix_len; + + memset(seen, false, sizeof(seen)); + for (end = str + hash_len; str < end; str++) + if (*str >= '0' && *str <= '9') + seen[*str - '0'] = true; + else if (*str >= 'a' && *str <= 'f') + seen[*str - 'a' + 10] = true; + else + return false; + + /* Count how many distinct digits seen */ + count = 0; + for (i = 0; i < 16; i++) + if (seen[i]) + count++; + + return count >= 5 && count <= 15; +} + +static bool looks_like_rust(const char *str, size_t len) +{ + const char *end = str + len; + + while (str < end) + switch (*str) { + case '$': + if (!strncmp(str, "$C$", 3)) + str += 3; + else if (!strncmp(str, "$SP$", 4) + || !strncmp(str, "$BP$", 4) + || !strncmp(str, "$RF$", 4) + || !strncmp(str, "$LT$", 4) + || !strncmp(str, "$GT$", 4) + || !strncmp(str, "$LP$", 4) + || !strncmp(str, "$RP$", 4)) + str += 4; + else if (!strncmp(str, "$u20$", 5) + || !strncmp(str, "$u27$", 5) + || !strncmp(str, "$u5b$", 5) + || !strncmp(str, "$u5d$", 5) + || !strncmp(str, "$u7e$", 5)) + str += 5; + else + return false; + break; + case '.': + /* Do not allow three or more consecutive dots */ + if (!strncmp(str, "...", 3)) + return false; + /* Fall through */ + case 'a' ... 'z': + case 'A' ... 'Z': + case '0' ... '9': + case '_': + case ':': + str++; + break; + default: + return false; + } + + return true; +} + +/* + * INPUT: + * sym: symbol for which rust_is_mangled(sym) returns true + * + * The input is demangled in-place because the mangled name is always longer + * than the demangled one. + */ +void +rust_demangle_sym(char *sym) +{ + const char *in; + char *out; + const char *end; + + if (!sym) + return; + + in = sym; + out = sym; + end = sym + strlen(sym) - (hash_prefix_len + hash_len); + + while (in < end) + switch (*in) { + case '$': + if (!(unescape(&in, &out, "$C$", ',') + || unescape(&in, &out, "$SP$", '@') + || unescape(&in, &out, "$BP$", '*') + || unescape(&in, &out, "$RF$", '&') + || unescape(&in, &out, "$LT$", '<') + || unescape(&in, &out, "$GT$", '>') + || unescape(&in, &out, "$LP$", '(') + || unescape(&in, &out, "$RP$", ')') + || unescape(&in, &out, "$u20$", ' ') + || unescape(&in, &out, "$u27$", '\'') + || unescape(&in, &out, "$u5b$", '[') + || unescape(&in, &out, "$u5d$", ']') + || unescape(&in, &out, "$u7e$", '~'))) { + pr_err("demangle-rust: unexpected escape sequence"); + goto done; + } + break; + case '_': + /* + * If this is the start of a path component and the next + * character is an escape sequence, ignore the + * underscore. The mangler inserts an underscore to make + * sure the path component begins with a XID_Start + * character. + */ + if ((in == sym || in[-1] == ':') && in[1] == '$') + in++; + else + *out++ = *in++; + break; + case '.': + if (in[1] == '.') { + /* ".." becomes "::" */ + *out++ = ':'; + *out++ = ':'; + in += 2; + } else { + /* "." becomes "-" */ + *out++ = '-'; + in++; + } + break; + case 'a' ... 'z': + case 'A' ... 'Z': + case '0' ... '9': + case ':': + *out++ = *in++; + break; + default: + pr_err("demangle-rust: unexpected character '%c' in symbol\n", + *in); + goto done; + } + +done: + *out = '\0'; +} + +static bool unescape(const char **in, char **out, const char *seq, char value) +{ + size_t len = strlen(seq); + + if (strncmp(*in, seq, len)) + return false; + + **out = value; + + *in += len; + *out += 1; + + return true; +} diff --git a/tools/perf/util/demangle-rust.h b/tools/perf/util/demangle-rust.h new file mode 100644 index 000000000000..7b41ead7e0dd --- /dev/null +++ b/tools/perf/util/demangle-rust.h @@ -0,0 +1,7 @@ +#ifndef __PERF_DEMANGLE_RUST +#define __PERF_DEMANGLE_RUST 1 + +bool rust_is_mangled(const char *str); +void rust_demangle_sym(char *str); + +#endif /* __PERF_DEMANGLE_RUST */ diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index 5d286f5d7906..774f6ec884d5 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -335,7 +335,7 @@ static int do_open(char *name) return fd; pr_debug("dso open failed: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); if (!dso__data_open_cnt || errno != EMFILE) break; @@ -442,17 +442,27 @@ static rlim_t get_fd_limit(void) return limit; } -static bool may_cache_fd(void) +static rlim_t fd_limit; + +/* + * Used only by tests/dso-data.c to reset the environment + * for tests. I dont expect we should change this during + * standard runtime. + */ +void reset_fd_limit(void) { - static rlim_t limit; + fd_limit = 0; +} - if (!limit) - limit = get_fd_limit(); +static bool may_cache_fd(void) +{ + if (!fd_limit) + fd_limit = get_fd_limit(); - if (limit == RLIM_INFINITY) + if (fd_limit == RLIM_INFINITY) return true; - return limit > (rlim_t) dso__data_open_cnt; + return fd_limit > (rlim_t) dso__data_open_cnt; } /* @@ -776,7 +786,7 @@ static int data_file_size(struct dso *dso, struct machine *machine) if (fstat(dso->data.fd, &st) < 0) { ret = -errno; pr_err("dso cache fstat failed: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); dso->data.status = DSO_DATA_STATUS_ERROR; goto out; } @@ -1356,7 +1366,7 @@ int dso__strerror_load(struct dso *dso, char *buf, size_t buflen) BUG_ON(buflen == 0); if (errnum >= 0) { - const char *err = strerror_r(errnum, buf, buflen); + const char *err = str_error_r(errnum, buf, buflen); if (err != buf) scnprintf(buf, buflen, "%s", err); diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index 0953280629cf..ecc4bbd3f82e 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -4,6 +4,7 @@ #include <linux/atomic.h> #include <linux/types.h> #include <linux/rbtree.h> +#include <sys/types.h> #include <stdbool.h> #include <pthread.h> #include <linux/types.h> @@ -349,10 +350,17 @@ static inline bool dso__is_kcore(struct dso *dso) dso->binary_type == DSO_BINARY_TYPE__GUEST_KCORE; } +static inline bool dso__is_kallsyms(struct dso *dso) +{ + return dso->kernel && dso->long_name[0] != '/'; +} + void dso__free_a2l(struct dso *dso); enum dso_type dso__type(struct dso *dso, struct machine *machine); int dso__strerror_load(struct dso *dso, char *buf, size_t buflen); +void reset_fd_limit(void); + #endif /* __PERF_DSO */ diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c index 49a11d9d8b8f..bb964e86b09d 100644 --- a/tools/perf/util/env.c +++ b/tools/perf/util/env.c @@ -18,10 +18,13 @@ void perf_env__exit(struct perf_env *env) zfree(&env->cmdline_argv); zfree(&env->sibling_cores); zfree(&env->sibling_threads); - zfree(&env->numa_nodes); zfree(&env->pmu_mappings); zfree(&env->cpu); + for (i = 0; i < env->nr_numa_nodes; i++) + cpu_map__put(env->numa_nodes[i].map); + zfree(&env->numa_nodes); + for (i = 0; i < env->caches_cnt; i++) cpu_cache_level__free(&env->caches[i]); zfree(&env->caches); diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h index 56cffb60a0b4..b164dfd2dcbf 100644 --- a/tools/perf/util/env.h +++ b/tools/perf/util/env.h @@ -2,6 +2,7 @@ #define __PERF_ENV_H #include <linux/types.h> +#include "cpumap.h" struct cpu_topology_map { int socket_id; @@ -18,6 +19,13 @@ struct cpu_cache_level { char *map; }; +struct numa_node { + u32 node; + u64 mem_total; + u64 mem_free; + struct cpu_map *map; +}; + struct perf_env { char *hostname; char *os_release; @@ -40,11 +48,11 @@ struct perf_env { const char **cmdline_argv; char *sibling_cores; char *sibling_threads; - char *numa_nodes; char *pmu_mappings; struct cpu_topology_map *cpu; struct cpu_cache_level *caches; int caches_cnt; + struct numa_node *numa_nodes; }; extern struct perf_env perf_env; diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 9b141f12329e..e20438b784be 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -1092,7 +1092,7 @@ size_t perf_event__fprintf_cpu_map(union perf_event *event, FILE *fp) struct cpu_map *cpus = cpu_map__new_data(&event->cpu_map.data); size_t ret; - ret = fprintf(fp, " nr: "); + ret = fprintf(fp, ": "); if (cpus) ret += cpu_map__fprintf(cpus, fp); diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index e82ba90cc969..2a40b8e1def7 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -15,6 +15,7 @@ #include "evlist.h" #include "evsel.h" #include "debug.h" +#include "asm/bug.h" #include <unistd.h> #include "parse-events.h" @@ -27,8 +28,8 @@ #include <linux/log2.h> #include <linux/err.h> -static void perf_evlist__mmap_put(struct perf_evlist *evlist, int idx); -static void __perf_evlist__munmap(struct perf_evlist *evlist, int idx); +static void perf_mmap__munmap(struct perf_mmap *map); +static void perf_mmap__put(struct perf_mmap *map); #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) #define SID(e, x, y) xyarray__entry(e->sample_id, x, y) @@ -44,7 +45,7 @@ void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus, perf_evlist__set_maps(evlist, cpus, threads); fdarray__init(&evlist->pollfd, 64); evlist->workload.pid = -1; - evlist->backward = false; + evlist->bkw_mmap_state = BKW_MMAP_NOTREADY; } struct perf_evlist *perf_evlist__new(void) @@ -100,7 +101,7 @@ static void perf_evlist__update_id_pos(struct perf_evlist *evlist) { struct perf_evsel *evsel; - evlist__for_each(evlist, evsel) + evlist__for_each_entry(evlist, evsel) perf_evsel__calc_id_pos(evsel); perf_evlist__set_id_pos(evlist); @@ -110,7 +111,7 @@ static void perf_evlist__purge(struct perf_evlist *evlist) { struct perf_evsel *pos, *n; - evlist__for_each_safe(evlist, n, pos) { + evlist__for_each_entry_safe(evlist, n, pos) { list_del_init(&pos->node); pos->evlist = NULL; perf_evsel__delete(pos); @@ -122,11 +123,15 @@ static void perf_evlist__purge(struct perf_evlist *evlist) void perf_evlist__exit(struct perf_evlist *evlist) { zfree(&evlist->mmap); + zfree(&evlist->backward_mmap); fdarray__exit(&evlist->pollfd); } void perf_evlist__delete(struct perf_evlist *evlist) { + if (evlist == NULL) + return; + perf_evlist__munmap(evlist); perf_evlist__close(evlist); cpu_map__put(evlist->cpus); @@ -161,7 +166,7 @@ static void perf_evlist__propagate_maps(struct perf_evlist *evlist) { struct perf_evsel *evsel; - evlist__for_each(evlist, evsel) + evlist__for_each_entry(evlist, evsel) __perf_evlist__propagate_maps(evlist, evsel); } @@ -190,7 +195,7 @@ void perf_evlist__splice_list_tail(struct perf_evlist *evlist, { struct perf_evsel *evsel, *temp; - __evlist__for_each_safe(list, temp, evsel) { + __evlist__for_each_entry_safe(list, temp, evsel) { list_del_init(&evsel->node); perf_evlist__add(evlist, evsel); } @@ -205,7 +210,7 @@ void __perf_evlist__set_leader(struct list_head *list) leader->nr_members = evsel->idx - leader->idx + 1; - __evlist__for_each(list, evsel) { + __evlist__for_each_entry(list, evsel) { evsel->leader = leader; } } @@ -296,7 +301,7 @@ static int perf_evlist__add_attrs(struct perf_evlist *evlist, return 0; out_delete_partial_list: - __evlist__for_each_safe(&head, n, evsel) + __evlist__for_each_entry_safe(&head, n, evsel) perf_evsel__delete(evsel); return -1; } @@ -317,7 +322,7 @@ perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id) { struct perf_evsel *evsel; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (evsel->attr.type == PERF_TYPE_TRACEPOINT && (int)evsel->attr.config == id) return evsel; @@ -332,7 +337,7 @@ perf_evlist__find_tracepoint_by_name(struct perf_evlist *evlist, { struct perf_evsel *evsel; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if ((evsel->attr.type == PERF_TYPE_TRACEPOINT) && (strcmp(evsel->name, name) == 0)) return evsel; @@ -367,7 +372,7 @@ void perf_evlist__disable(struct perf_evlist *evlist) { struct perf_evsel *pos; - evlist__for_each(evlist, pos) { + evlist__for_each_entry(evlist, pos) { if (!perf_evsel__is_group_leader(pos) || !pos->fd) continue; perf_evsel__disable(pos); @@ -380,7 +385,7 @@ void perf_evlist__enable(struct perf_evlist *evlist) { struct perf_evsel *pos; - evlist__for_each(evlist, pos) { + evlist__for_each_entry(evlist, pos) { if (!perf_evsel__is_group_leader(pos) || !pos->fd) continue; perf_evsel__enable(pos); @@ -448,7 +453,7 @@ int perf_evlist__alloc_pollfd(struct perf_evlist *evlist) int nfds = 0; struct perf_evsel *evsel; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (evsel->system_wide) nfds += nr_cpus; else @@ -462,15 +467,16 @@ int perf_evlist__alloc_pollfd(struct perf_evlist *evlist) return 0; } -static int __perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd, int idx) +static int __perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd, + struct perf_mmap *map, short revent) { - int pos = fdarray__add(&evlist->pollfd, fd, POLLIN | POLLERR | POLLHUP); + int pos = fdarray__add(&evlist->pollfd, fd, revent | POLLERR | POLLHUP); /* * Save the idx so that when we filter out fds POLLHUP'ed we can * close the associated evlist->mmap[] entry. */ if (pos >= 0) { - evlist->pollfd.priv[pos].idx = idx; + evlist->pollfd.priv[pos].ptr = map; fcntl(fd, F_SETFL, O_NONBLOCK); } @@ -480,20 +486,22 @@ static int __perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd, int idx int perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd) { - return __perf_evlist__add_pollfd(evlist, fd, -1); + return __perf_evlist__add_pollfd(evlist, fd, NULL, POLLIN); } -static void perf_evlist__munmap_filtered(struct fdarray *fda, int fd) +static void perf_evlist__munmap_filtered(struct fdarray *fda, int fd, + void *arg __maybe_unused) { - struct perf_evlist *evlist = container_of(fda, struct perf_evlist, pollfd); + struct perf_mmap *map = fda->priv[fd].ptr; - perf_evlist__mmap_put(evlist, fda->priv[fd].idx); + if (map) + perf_mmap__put(map); } int perf_evlist__filter_pollfd(struct perf_evlist *evlist, short revents_and_mask) { return fdarray__filter(&evlist->pollfd, revents_and_mask, - perf_evlist__munmap_filtered); + perf_evlist__munmap_filtered, NULL); } int perf_evlist__poll(struct perf_evlist *evlist, int timeout) @@ -647,8 +655,8 @@ static int perf_evlist__event2id(struct perf_evlist *evlist, return 0; } -static struct perf_evsel *perf_evlist__event2evsel(struct perf_evlist *evlist, - union perf_event *event) +struct perf_evsel *perf_evlist__event2evsel(struct perf_evlist *evlist, + union perf_event *event) { struct perf_evsel *first = perf_evlist__first(evlist); struct hlist_head *head; @@ -684,8 +692,11 @@ static int perf_evlist__set_paused(struct perf_evlist *evlist, bool value) { int i; + if (!evlist->backward_mmap) + return 0; + for (i = 0; i < evlist->nr_mmaps; i++) { - int fd = evlist->mmap[i].fd; + int fd = evlist->backward_mmap[i].fd; int err; if (fd < 0) @@ -697,12 +708,12 @@ static int perf_evlist__set_paused(struct perf_evlist *evlist, bool value) return 0; } -int perf_evlist__pause(struct perf_evlist *evlist) +static int perf_evlist__pause(struct perf_evlist *evlist) { return perf_evlist__set_paused(evlist, true); } -int perf_evlist__resume(struct perf_evlist *evlist) +static int perf_evlist__resume(struct perf_evlist *evlist) { return perf_evlist__set_paused(evlist, false); } @@ -777,9 +788,8 @@ broken_event: return event; } -union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx) +union perf_event *perf_mmap__read_forward(struct perf_mmap *md, bool check_messup) { - struct perf_mmap *md = &evlist->mmap[idx]; u64 head; u64 old = md->prev; @@ -791,13 +801,12 @@ union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx) head = perf_mmap__read_head(md); - return perf_mmap__read(md, evlist->overwrite, old, head, &md->prev); + return perf_mmap__read(md, check_messup, old, head, &md->prev); } union perf_event * -perf_evlist__mmap_read_backward(struct perf_evlist *evlist, int idx) +perf_mmap__read_backward(struct perf_mmap *md) { - struct perf_mmap *md = &evlist->mmap[idx]; u64 head, end; u64 start = md->prev; @@ -832,9 +841,38 @@ perf_evlist__mmap_read_backward(struct perf_evlist *evlist, int idx) return perf_mmap__read(md, false, start, end, &md->prev); } -void perf_evlist__mmap_read_catchup(struct perf_evlist *evlist, int idx) +union perf_event *perf_evlist__mmap_read_forward(struct perf_evlist *evlist, int idx) +{ + struct perf_mmap *md = &evlist->mmap[idx]; + + /* + * Check messup is required for forward overwritable ring buffer: + * memory pointed by md->prev can be overwritten in this case. + * No need for read-write ring buffer: kernel stop outputting when + * it hit md->prev (perf_mmap__consume()). + */ + return perf_mmap__read_forward(md, evlist->overwrite); +} + +union perf_event *perf_evlist__mmap_read_backward(struct perf_evlist *evlist, int idx) { struct perf_mmap *md = &evlist->mmap[idx]; + + /* + * No need to check messup for backward ring buffer: + * We can always read arbitrary long data from a backward + * ring buffer unless we forget to pause it before reading. + */ + return perf_mmap__read_backward(md); +} + +union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx) +{ + return perf_evlist__mmap_read_forward(evlist, idx); +} + +void perf_mmap__read_catchup(struct perf_mmap *md) +{ u64 head; if (!atomic_read(&md->refcnt)) @@ -844,36 +882,44 @@ void perf_evlist__mmap_read_catchup(struct perf_evlist *evlist, int idx) md->prev = head; } +void perf_evlist__mmap_read_catchup(struct perf_evlist *evlist, int idx) +{ + perf_mmap__read_catchup(&evlist->mmap[idx]); +} + static bool perf_mmap__empty(struct perf_mmap *md) { return perf_mmap__read_head(md) == md->prev && !md->auxtrace_mmap.base; } -static void perf_evlist__mmap_get(struct perf_evlist *evlist, int idx) +static void perf_mmap__get(struct perf_mmap *map) { - atomic_inc(&evlist->mmap[idx].refcnt); + atomic_inc(&map->refcnt); } -static void perf_evlist__mmap_put(struct perf_evlist *evlist, int idx) +static void perf_mmap__put(struct perf_mmap *md) { - BUG_ON(atomic_read(&evlist->mmap[idx].refcnt) == 0); + BUG_ON(md->base && atomic_read(&md->refcnt) == 0); - if (atomic_dec_and_test(&evlist->mmap[idx].refcnt)) - __perf_evlist__munmap(evlist, idx); + if (atomic_dec_and_test(&md->refcnt)) + perf_mmap__munmap(md); } -void perf_evlist__mmap_consume(struct perf_evlist *evlist, int idx) +void perf_mmap__consume(struct perf_mmap *md, bool overwrite) { - struct perf_mmap *md = &evlist->mmap[idx]; - - if (!evlist->overwrite) { + if (!overwrite) { u64 old = md->prev; perf_mmap__write_tail(md, old); } if (atomic_read(&md->refcnt) == 1 && perf_mmap__empty(md)) - perf_evlist__mmap_put(evlist, idx); + perf_mmap__put(md); +} + +void perf_evlist__mmap_consume(struct perf_evlist *evlist, int idx) +{ + perf_mmap__consume(&evlist->mmap[idx], evlist->overwrite); } int __weak auxtrace_mmap__mmap(struct auxtrace_mmap *mm __maybe_unused, @@ -904,41 +950,52 @@ void __weak auxtrace_mmap_params__set_idx( { } -static void __perf_evlist__munmap(struct perf_evlist *evlist, int idx) +static void perf_mmap__munmap(struct perf_mmap *map) { - if (evlist->mmap[idx].base != NULL) { - munmap(evlist->mmap[idx].base, evlist->mmap_len); - evlist->mmap[idx].base = NULL; - evlist->mmap[idx].fd = -1; - atomic_set(&evlist->mmap[idx].refcnt, 0); + if (map->base != NULL) { + munmap(map->base, perf_mmap__mmap_len(map)); + map->base = NULL; + map->fd = -1; + atomic_set(&map->refcnt, 0); } - auxtrace_mmap__munmap(&evlist->mmap[idx].auxtrace_mmap); + auxtrace_mmap__munmap(&map->auxtrace_mmap); } -void perf_evlist__munmap(struct perf_evlist *evlist) +static void perf_evlist__munmap_nofree(struct perf_evlist *evlist) { int i; - if (evlist->mmap == NULL) - return; + if (evlist->mmap) + for (i = 0; i < evlist->nr_mmaps; i++) + perf_mmap__munmap(&evlist->mmap[i]); - for (i = 0; i < evlist->nr_mmaps; i++) - __perf_evlist__munmap(evlist, i); + if (evlist->backward_mmap) + for (i = 0; i < evlist->nr_mmaps; i++) + perf_mmap__munmap(&evlist->backward_mmap[i]); +} +void perf_evlist__munmap(struct perf_evlist *evlist) +{ + perf_evlist__munmap_nofree(evlist); zfree(&evlist->mmap); + zfree(&evlist->backward_mmap); } -static int perf_evlist__alloc_mmap(struct perf_evlist *evlist) +static struct perf_mmap *perf_evlist__alloc_mmap(struct perf_evlist *evlist) { int i; + struct perf_mmap *map; evlist->nr_mmaps = cpu_map__nr(evlist->cpus); if (cpu_map__empty(evlist->cpus)) evlist->nr_mmaps = thread_map__nr(evlist->threads); - evlist->mmap = zalloc(evlist->nr_mmaps * sizeof(struct perf_mmap)); + map = zalloc(evlist->nr_mmaps * sizeof(struct perf_mmap)); + if (!map) + return NULL; + for (i = 0; i < evlist->nr_mmaps; i++) - evlist->mmap[i].fd = -1; - return evlist->mmap != NULL ? 0 : -ENOMEM; + map[i].fd = -1; + return map; } struct mmap_params { @@ -947,8 +1004,8 @@ struct mmap_params { struct auxtrace_mmap_params auxtrace_mp; }; -static int __perf_evlist__mmap(struct perf_evlist *evlist, int idx, - struct mmap_params *mp, int fd) +static int perf_mmap__mmap(struct perf_mmap *map, + struct mmap_params *mp, int fd) { /* * The last one will be done at perf_evlist__mmap_consume(), so that we @@ -963,35 +1020,61 @@ static int __perf_evlist__mmap(struct perf_evlist *evlist, int idx, * evlist layer can't just drop it when filtering events in * perf_evlist__filter_pollfd(). */ - atomic_set(&evlist->mmap[idx].refcnt, 2); - evlist->mmap[idx].prev = 0; - evlist->mmap[idx].mask = mp->mask; - evlist->mmap[idx].base = mmap(NULL, evlist->mmap_len, mp->prot, - MAP_SHARED, fd, 0); - if (evlist->mmap[idx].base == MAP_FAILED) { + atomic_set(&map->refcnt, 2); + map->prev = 0; + map->mask = mp->mask; + map->base = mmap(NULL, perf_mmap__mmap_len(map), mp->prot, + MAP_SHARED, fd, 0); + if (map->base == MAP_FAILED) { pr_debug2("failed to mmap perf event ring buffer, error %d\n", errno); - evlist->mmap[idx].base = NULL; + map->base = NULL; return -1; } - evlist->mmap[idx].fd = fd; + map->fd = fd; - if (auxtrace_mmap__mmap(&evlist->mmap[idx].auxtrace_mmap, - &mp->auxtrace_mp, evlist->mmap[idx].base, fd)) + if (auxtrace_mmap__mmap(&map->auxtrace_mmap, + &mp->auxtrace_mp, map->base, fd)) return -1; return 0; } +static bool +perf_evlist__should_poll(struct perf_evlist *evlist __maybe_unused, + struct perf_evsel *evsel) +{ + if (evsel->attr.write_backward) + return false; + return true; +} + static int perf_evlist__mmap_per_evsel(struct perf_evlist *evlist, int idx, struct mmap_params *mp, int cpu, - int thread, int *output) + int thread, int *_output, int *_output_backward) { struct perf_evsel *evsel; + int revent; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { + struct perf_mmap *maps = evlist->mmap; + int *output = _output; int fd; + if (evsel->attr.write_backward) { + output = _output_backward; + maps = evlist->backward_mmap; + + if (!maps) { + maps = perf_evlist__alloc_mmap(evlist); + if (!maps) + return -1; + evlist->backward_mmap = maps; + if (evlist->bkw_mmap_state == BKW_MMAP_NOTREADY) + perf_evlist__toggle_bkw_mmap(evlist, BKW_MMAP_RUNNING); + } + } + if (evsel->system_wide && thread) continue; @@ -999,15 +1082,18 @@ static int perf_evlist__mmap_per_evsel(struct perf_evlist *evlist, int idx, if (*output == -1) { *output = fd; - if (__perf_evlist__mmap(evlist, idx, mp, *output) < 0) + + if (perf_mmap__mmap(&maps[idx], mp, *output) < 0) return -1; } else { if (ioctl(fd, PERF_EVENT_IOC_SET_OUTPUT, *output) != 0) return -1; - perf_evlist__mmap_get(evlist, idx); + perf_mmap__get(&maps[idx]); } + revent = perf_evlist__should_poll(evlist, evsel) ? POLLIN : 0; + /* * The system_wide flag causes a selected event to be opened * always without a pid. Consequently it will never get a @@ -1016,8 +1102,8 @@ static int perf_evlist__mmap_per_evsel(struct perf_evlist *evlist, int idx, * Therefore don't add it for polling. */ if (!evsel->system_wide && - __perf_evlist__add_pollfd(evlist, fd, idx) < 0) { - perf_evlist__mmap_put(evlist, idx); + __perf_evlist__add_pollfd(evlist, fd, &maps[idx], revent) < 0) { + perf_mmap__put(&maps[idx]); return -1; } @@ -1043,13 +1129,14 @@ static int perf_evlist__mmap_per_cpu(struct perf_evlist *evlist, pr_debug2("perf event ring buffer mmapped per cpu\n"); for (cpu = 0; cpu < nr_cpus; cpu++) { int output = -1; + int output_backward = -1; auxtrace_mmap_params__set_idx(&mp->auxtrace_mp, evlist, cpu, true); for (thread = 0; thread < nr_threads; thread++) { if (perf_evlist__mmap_per_evsel(evlist, cpu, mp, cpu, - thread, &output)) + thread, &output, &output_backward)) goto out_unmap; } } @@ -1057,8 +1144,7 @@ static int perf_evlist__mmap_per_cpu(struct perf_evlist *evlist, return 0; out_unmap: - for (cpu = 0; cpu < nr_cpus; cpu++) - __perf_evlist__munmap(evlist, cpu); + perf_evlist__munmap_nofree(evlist); return -1; } @@ -1071,20 +1157,20 @@ static int perf_evlist__mmap_per_thread(struct perf_evlist *evlist, pr_debug2("perf event ring buffer mmapped per thread\n"); for (thread = 0; thread < nr_threads; thread++) { int output = -1; + int output_backward = -1; auxtrace_mmap_params__set_idx(&mp->auxtrace_mp, evlist, thread, false); if (perf_evlist__mmap_per_evsel(evlist, thread, mp, 0, thread, - &output)) + &output, &output_backward)) goto out_unmap; } return 0; out_unmap: - for (thread = 0; thread < nr_threads; thread++) - __perf_evlist__munmap(evlist, thread); + perf_evlist__munmap_nofree(evlist); return -1; } @@ -1217,7 +1303,9 @@ int perf_evlist__mmap_ex(struct perf_evlist *evlist, unsigned int pages, .prot = PROT_READ | (overwrite ? 0 : PROT_WRITE), }; - if (evlist->mmap == NULL && perf_evlist__alloc_mmap(evlist) < 0) + if (!evlist->mmap) + evlist->mmap = perf_evlist__alloc_mmap(evlist); + if (!evlist->mmap) return -ENOMEM; if (evlist->pollfd.entries == NULL && perf_evlist__alloc_pollfd(evlist) < 0) @@ -1231,7 +1319,7 @@ int perf_evlist__mmap_ex(struct perf_evlist *evlist, unsigned int pages, auxtrace_mmap_params__init(&mp.auxtrace_mp, evlist->mmap_len, auxtrace_pages, auxtrace_overwrite); - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if ((evsel->attr.read_format & PERF_FORMAT_ID) && evsel->sample_id == NULL && perf_evsel__alloc_id(evsel, cpu_map__nr(cpus), threads->nr) < 0) @@ -1307,7 +1395,7 @@ void __perf_evlist__set_sample_bit(struct perf_evlist *evlist, { struct perf_evsel *evsel; - evlist__for_each(evlist, evsel) + evlist__for_each_entry(evlist, evsel) __perf_evsel__set_sample_bit(evsel, bit); } @@ -1316,7 +1404,7 @@ void __perf_evlist__reset_sample_bit(struct perf_evlist *evlist, { struct perf_evsel *evsel; - evlist__for_each(evlist, evsel) + evlist__for_each_entry(evlist, evsel) __perf_evsel__reset_sample_bit(evsel, bit); } @@ -1327,7 +1415,7 @@ int perf_evlist__apply_filters(struct perf_evlist *evlist, struct perf_evsel **e const int ncpus = cpu_map__nr(evlist->cpus), nthreads = thread_map__nr(evlist->threads); - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (evsel->filter == NULL) continue; @@ -1350,7 +1438,7 @@ int perf_evlist__set_filter(struct perf_evlist *evlist, const char *filter) struct perf_evsel *evsel; int err = 0; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (evsel->attr.type != PERF_TYPE_TRACEPOINT) continue; @@ -1404,7 +1492,7 @@ bool perf_evlist__valid_sample_type(struct perf_evlist *evlist) if (evlist->id_pos < 0 || evlist->is_pos < 0) return false; - evlist__for_each(evlist, pos) { + evlist__for_each_entry(evlist, pos) { if (pos->id_pos != evlist->id_pos || pos->is_pos != evlist->is_pos) return false; @@ -1420,7 +1508,7 @@ u64 __perf_evlist__combined_sample_type(struct perf_evlist *evlist) if (evlist->combined_sample_type) return evlist->combined_sample_type; - evlist__for_each(evlist, evsel) + evlist__for_each_entry(evlist, evsel) evlist->combined_sample_type |= evsel->attr.sample_type; return evlist->combined_sample_type; @@ -1437,7 +1525,7 @@ u64 perf_evlist__combined_branch_type(struct perf_evlist *evlist) struct perf_evsel *evsel; u64 branch_type = 0; - evlist__for_each(evlist, evsel) + evlist__for_each_entry(evlist, evsel) branch_type |= evsel->attr.branch_sample_type; return branch_type; } @@ -1448,7 +1536,7 @@ bool perf_evlist__valid_read_format(struct perf_evlist *evlist) u64 read_format = first->attr.read_format; u64 sample_type = first->attr.sample_type; - evlist__for_each(evlist, pos) { + evlist__for_each_entry(evlist, pos) { if (read_format != pos->attr.read_format) return false; } @@ -1505,7 +1593,7 @@ bool perf_evlist__valid_sample_id_all(struct perf_evlist *evlist) { struct perf_evsel *first = perf_evlist__first(evlist), *pos = first; - evlist__for_each_continue(evlist, pos) { + evlist__for_each_entry_continue(evlist, pos) { if (first->attr.sample_id_all != pos->attr.sample_id_all) return false; } @@ -1532,7 +1620,7 @@ void perf_evlist__close(struct perf_evlist *evlist) int nthreads = thread_map__nr(evlist->threads); int n; - evlist__for_each_reverse(evlist, evsel) { + evlist__for_each_entry_reverse(evlist, evsel) { n = evsel->cpus ? evsel->cpus->nr : ncpus; perf_evsel__close(evsel, n, nthreads); } @@ -1586,7 +1674,7 @@ int perf_evlist__open(struct perf_evlist *evlist) perf_evlist__update_id_pos(evlist); - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { err = perf_evsel__open(evsel, evsel->cpus, evsel->threads); if (err < 0) goto out_err; @@ -1747,7 +1835,7 @@ size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp) struct perf_evsel *evsel; size_t printed = 0; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { printed += fprintf(fp, "%s%s", evsel->idx ? ", " : "", perf_evsel__name(evsel)); } @@ -1759,7 +1847,7 @@ int perf_evlist__strerror_open(struct perf_evlist *evlist, int err, char *buf, size_t size) { int printed, value; - char sbuf[STRERR_BUFSIZE], *emsg = strerror_r(err, sbuf, sizeof(sbuf)); + char sbuf[STRERR_BUFSIZE], *emsg = str_error_r(err, sbuf, sizeof(sbuf)); switch (err) { case EACCES: @@ -1811,7 +1899,7 @@ out_default: int perf_evlist__strerror_mmap(struct perf_evlist *evlist, int err, char *buf, size_t size) { - char sbuf[STRERR_BUFSIZE], *emsg = strerror_r(err, sbuf, sizeof(sbuf)); + char sbuf[STRERR_BUFSIZE], *emsg = str_error_r(err, sbuf, sizeof(sbuf)); int pages_attempted = evlist->mmap_len / 1024, pages_max_per_user, printed = 0; switch (err) { @@ -1849,7 +1937,7 @@ void perf_evlist__to_front(struct perf_evlist *evlist, if (move_evsel == perf_evlist__first(evlist)) return; - evlist__for_each_safe(evlist, n, evsel) { + evlist__for_each_entry_safe(evlist, n, evsel) { if (evsel->leader == move_evsel->leader) list_move_tail(&evsel->node, &move); } @@ -1865,7 +1953,7 @@ void perf_evlist__set_tracking_event(struct perf_evlist *evlist, if (tracking_evsel->tracking) return; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (evsel != tracking_evsel) evsel->tracking = false; } @@ -1879,7 +1967,7 @@ perf_evlist__find_evsel_by_str(struct perf_evlist *evlist, { struct perf_evsel *evsel; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (!evsel->name) continue; if (strcmp(str, evsel->name) == 0) @@ -1888,3 +1976,61 @@ perf_evlist__find_evsel_by_str(struct perf_evlist *evlist, return NULL; } + +void perf_evlist__toggle_bkw_mmap(struct perf_evlist *evlist, + enum bkw_mmap_state state) +{ + enum bkw_mmap_state old_state = evlist->bkw_mmap_state; + enum action { + NONE, + PAUSE, + RESUME, + } action = NONE; + + if (!evlist->backward_mmap) + return; + + switch (old_state) { + case BKW_MMAP_NOTREADY: { + if (state != BKW_MMAP_RUNNING) + goto state_err;; + break; + } + case BKW_MMAP_RUNNING: { + if (state != BKW_MMAP_DATA_PENDING) + goto state_err; + action = PAUSE; + break; + } + case BKW_MMAP_DATA_PENDING: { + if (state != BKW_MMAP_EMPTY) + goto state_err; + break; + } + case BKW_MMAP_EMPTY: { + if (state != BKW_MMAP_RUNNING) + goto state_err; + action = RESUME; + break; + } + default: + WARN_ONCE(1, "Shouldn't get there\n"); + } + + evlist->bkw_mmap_state = state; + + switch (action) { + case PAUSE: + perf_evlist__pause(evlist); + break; + case RESUME: + perf_evlist__resume(evlist); + break; + case NONE: + default: + break; + } + +state_err: + return; +} diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index d740fb877ab6..4fd034f22d2f 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -35,6 +35,40 @@ struct perf_mmap { char event_copy[PERF_SAMPLE_MAX_SIZE] __attribute__((aligned(8))); }; +static inline size_t +perf_mmap__mmap_len(struct perf_mmap *map) +{ + return map->mask + 1 + page_size; +} + +/* + * State machine of bkw_mmap_state: + * + * .________________(forbid)_____________. + * | V + * NOTREADY --(0)--> RUNNING --(1)--> DATA_PENDING --(2)--> EMPTY + * ^ ^ | ^ | + * | |__(forbid)____/ |___(forbid)___/| + * | | + * \_________________(3)_______________/ + * + * NOTREADY : Backward ring buffers are not ready + * RUNNING : Backward ring buffers are recording + * DATA_PENDING : We are required to collect data from backward ring buffers + * EMPTY : We have collected data from backward ring buffers. + * + * (0): Setup backward ring buffer + * (1): Pause ring buffers for reading + * (2): Read from ring buffers + * (3): Resume ring buffers for recording + */ +enum bkw_mmap_state { + BKW_MMAP_NOTREADY, + BKW_MMAP_RUNNING, + BKW_MMAP_DATA_PENDING, + BKW_MMAP_EMPTY, +}; + struct perf_evlist { struct list_head entries; struct hlist_head heads[PERF_EVLIST__HLIST_SIZE]; @@ -44,17 +78,18 @@ struct perf_evlist { bool overwrite; bool enabled; bool has_user_cpus; - bool backward; size_t mmap_len; int id_pos; int is_pos; u64 combined_sample_type; + enum bkw_mmap_state bkw_mmap_state; struct { int cork_fd; pid_t pid; } workload; struct fdarray pollfd; struct perf_mmap *mmap; + struct perf_mmap *backward_mmap; struct thread_map *threads; struct cpu_map *cpus; struct perf_evsel *selected; @@ -129,16 +164,24 @@ struct perf_evsel *perf_evlist__id2evsel_strict(struct perf_evlist *evlist, struct perf_sample_id *perf_evlist__id2sid(struct perf_evlist *evlist, u64 id); +void perf_evlist__toggle_bkw_mmap(struct perf_evlist *evlist, enum bkw_mmap_state state); + +union perf_event *perf_mmap__read_forward(struct perf_mmap *map, bool check_messup); +union perf_event *perf_mmap__read_backward(struct perf_mmap *map); + +void perf_mmap__read_catchup(struct perf_mmap *md); +void perf_mmap__consume(struct perf_mmap *md, bool overwrite); + union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx); +union perf_event *perf_evlist__mmap_read_forward(struct perf_evlist *evlist, + int idx); union perf_event *perf_evlist__mmap_read_backward(struct perf_evlist *evlist, int idx); void perf_evlist__mmap_read_catchup(struct perf_evlist *evlist, int idx); void perf_evlist__mmap_consume(struct perf_evlist *evlist, int idx); -int perf_evlist__pause(struct perf_evlist *evlist); -int perf_evlist__resume(struct perf_evlist *evlist); int perf_evlist__open(struct perf_evlist *evlist); void perf_evlist__close(struct perf_evlist *evlist); @@ -249,70 +292,70 @@ void perf_evlist__to_front(struct perf_evlist *evlist, struct perf_evsel *move_evsel); /** - * __evlist__for_each - iterate thru all the evsels + * __evlist__for_each_entry - iterate thru all the evsels * @list: list_head instance to iterate * @evsel: struct evsel iterator */ -#define __evlist__for_each(list, evsel) \ +#define __evlist__for_each_entry(list, evsel) \ list_for_each_entry(evsel, list, node) /** - * evlist__for_each - iterate thru all the evsels + * evlist__for_each_entry - iterate thru all the evsels * @evlist: evlist instance to iterate * @evsel: struct evsel iterator */ -#define evlist__for_each(evlist, evsel) \ - __evlist__for_each(&(evlist)->entries, evsel) +#define evlist__for_each_entry(evlist, evsel) \ + __evlist__for_each_entry(&(evlist)->entries, evsel) /** - * __evlist__for_each_continue - continue iteration thru all the evsels + * __evlist__for_each_entry_continue - continue iteration thru all the evsels * @list: list_head instance to iterate * @evsel: struct evsel iterator */ -#define __evlist__for_each_continue(list, evsel) \ +#define __evlist__for_each_entry_continue(list, evsel) \ list_for_each_entry_continue(evsel, list, node) /** - * evlist__for_each_continue - continue iteration thru all the evsels + * evlist__for_each_entry_continue - continue iteration thru all the evsels * @evlist: evlist instance to iterate * @evsel: struct evsel iterator */ -#define evlist__for_each_continue(evlist, evsel) \ - __evlist__for_each_continue(&(evlist)->entries, evsel) +#define evlist__for_each_entry_continue(evlist, evsel) \ + __evlist__for_each_entry_continue(&(evlist)->entries, evsel) /** - * __evlist__for_each_reverse - iterate thru all the evsels in reverse order + * __evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order * @list: list_head instance to iterate * @evsel: struct evsel iterator */ -#define __evlist__for_each_reverse(list, evsel) \ +#define __evlist__for_each_entry_reverse(list, evsel) \ list_for_each_entry_reverse(evsel, list, node) /** - * evlist__for_each_reverse - iterate thru all the evsels in reverse order + * evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order * @evlist: evlist instance to iterate * @evsel: struct evsel iterator */ -#define evlist__for_each_reverse(evlist, evsel) \ - __evlist__for_each_reverse(&(evlist)->entries, evsel) +#define evlist__for_each_entry_reverse(evlist, evsel) \ + __evlist__for_each_entry_reverse(&(evlist)->entries, evsel) /** - * __evlist__for_each_safe - safely iterate thru all the evsels + * __evlist__for_each_entry_safe - safely iterate thru all the evsels * @list: list_head instance to iterate * @tmp: struct evsel temp iterator * @evsel: struct evsel iterator */ -#define __evlist__for_each_safe(list, tmp, evsel) \ +#define __evlist__for_each_entry_safe(list, tmp, evsel) \ list_for_each_entry_safe(evsel, tmp, list, node) /** - * evlist__for_each_safe - safely iterate thru all the evsels + * evlist__for_each_entry_safe - safely iterate thru all the evsels * @evlist: evlist instance to iterate * @evsel: struct evsel iterator * @tmp: struct evsel temp iterator */ -#define evlist__for_each_safe(evlist, tmp, evsel) \ - __evlist__for_each_safe(&(evlist)->entries, tmp, evsel) +#define evlist__for_each_entry_safe(evlist, tmp, evsel) \ + __evlist__for_each_entry_safe(&(evlist)->entries, tmp, evsel) void perf_evlist__set_tracking_event(struct perf_evlist *evlist, struct perf_evsel *tracking_evsel); @@ -321,4 +364,7 @@ void perf_event_attr__set_max_precise_ip(struct perf_event_attr *attr); struct perf_evsel * perf_evlist__find_evsel_by_str(struct perf_evlist *evlist, const char *str); + +struct perf_evsel *perf_evlist__event2evsel(struct perf_evlist *evlist, + union perf_event *event); #endif /* __PERF_EVLIST_H */ diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 5d7037ef7d3b..8c54df61fe64 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -200,6 +200,24 @@ void perf_evsel__set_sample_id(struct perf_evsel *evsel, evsel->attr.read_format |= PERF_FORMAT_ID; } +/** + * perf_evsel__is_function_event - Return whether given evsel is a function + * trace event + * + * @evsel - evsel selector to be tested + * + * Return %true if event is function trace event + */ +bool perf_evsel__is_function_event(struct perf_evsel *evsel) +{ +#define FUNCTION_EVENT "ftrace:function" + + return evsel->name && + !strncmp(FUNCTION_EVENT, evsel->name, sizeof(FUNCTION_EVENT)); + +#undef FUNCTION_EVENT +} + void perf_evsel__init(struct perf_evsel *evsel, struct perf_event_attr *attr, int idx) { @@ -572,6 +590,8 @@ void perf_evsel__config_callchain(struct perf_evsel *evsel, perf_evsel__set_sample_bit(evsel, CALLCHAIN); + attr->sample_max_stack = param->max_stack; + if (param->record_mode == CALLCHAIN_LBR) { if (!opts->branch_stack) { if (attr->exclude_user) { @@ -635,7 +655,8 @@ static void apply_config_terms(struct perf_evsel *evsel, struct perf_event_attr *attr = &evsel->attr; struct callchain_param param; u32 dump_size = 0; - char *callgraph_buf = NULL; + int max_stack = 0; + const char *callgraph_buf = NULL; /* callgraph default */ param.record_mode = callchain_param.record_mode; @@ -662,6 +683,9 @@ static void apply_config_terms(struct perf_evsel *evsel, case PERF_EVSEL__CONFIG_TERM_STACK_USER: dump_size = term->val.stack_user; break; + case PERF_EVSEL__CONFIG_TERM_MAX_STACK: + max_stack = term->val.max_stack; + break; case PERF_EVSEL__CONFIG_TERM_INHERIT: /* * attr->inherit should has already been set by @@ -671,13 +695,21 @@ static void apply_config_terms(struct perf_evsel *evsel, */ attr->inherit = term->val.inherit ? 1 : 0; break; + case PERF_EVSEL__CONFIG_TERM_OVERWRITE: + attr->write_backward = term->val.overwrite ? 1 : 0; + break; default: break; } } /* User explicitly set per-event callgraph, clear the old setting and reset. */ - if ((callgraph_buf != NULL) || (dump_size > 0)) { + if ((callgraph_buf != NULL) || (dump_size > 0) || max_stack) { + if (max_stack) { + param.max_stack = max_stack; + if (callgraph_buf == NULL) + callgraph_buf = "fp"; + } /* parse callgraph parameters */ if (callgraph_buf != NULL) { @@ -747,6 +779,7 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts, attr->sample_id_all = perf_missing_features.sample_id_all ? 0 : 1; attr->inherit = !opts->no_inherit; + attr->write_backward = opts->overwrite ? 1 : 0; perf_evsel__set_sample_bit(evsel, IP); perf_evsel__set_sample_bit(evsel, TID); @@ -1329,6 +1362,7 @@ int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr, PRINT_ATTRf(clockid, p_signed); PRINT_ATTRf(sample_regs_intr, p_hex); PRINT_ATTRf(aux_watermark, p_unsigned); + PRINT_ATTRf(sample_max_stack, p_unsigned); return ret; } @@ -1347,6 +1381,9 @@ static int __perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus, int pid = -1, err; enum { NO_CHANGE, SET_TO_MAX, INCREASED_MAX } set_rlimit = NO_CHANGE; + if (perf_missing_features.write_backward && evsel->attr.write_backward) + return -EINVAL; + if (evsel->system_wide) nthreads = 1; else @@ -1377,8 +1414,6 @@ fallback_missing_features: if (perf_missing_features.lbr_flags) evsel->attr.branch_sample_type &= ~(PERF_SAMPLE_BRANCH_NO_FLAGS | PERF_SAMPLE_BRANCH_NO_CYCLES); - if (perf_missing_features.write_backward) - evsel->attr.write_backward = false; retry_sample_id: if (perf_missing_features.sample_id_all) evsel->attr.sample_id_all = 0; @@ -1441,12 +1476,6 @@ retry_open: err = -EINVAL; goto out_close; } - - if (evsel->overwrite && - perf_missing_features.write_backward) { - err = -EINVAL; - goto out_close; - } } } @@ -1484,7 +1513,10 @@ try_fallback: * Must probe features in the order they were added to the * perf_event_attr interface. */ - if (!perf_missing_features.clockid_wrong && evsel->attr.use_clockid) { + if (!perf_missing_features.write_backward && evsel->attr.write_backward) { + perf_missing_features.write_backward = true; + goto out_close; + } else if (!perf_missing_features.clockid_wrong && evsel->attr.use_clockid) { perf_missing_features.clockid_wrong = true; goto fallback_missing_features; } else if (!perf_missing_features.clockid && evsel->attr.use_clockid) { @@ -1509,12 +1541,7 @@ try_fallback: PERF_SAMPLE_BRANCH_NO_FLAGS))) { perf_missing_features.lbr_flags = true; goto fallback_missing_features; - } else if (!perf_missing_features.write_backward && - evsel->attr.write_backward) { - perf_missing_features.write_backward = true; - goto fallback_missing_features; } - out_close: do { while (--thread >= 0) { @@ -2239,17 +2266,11 @@ void *perf_evsel__rawptr(struct perf_evsel *evsel, struct perf_sample *sample, return sample->raw_data + offset; } -u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample, - const char *name) +u64 format_field__intval(struct format_field *field, struct perf_sample *sample, + bool needs_swap) { - struct format_field *field = perf_evsel__field(evsel, name); - void *ptr; u64 value; - - if (!field) - return 0; - - ptr = sample->raw_data + field->offset; + void *ptr = sample->raw_data + field->offset; switch (field->size) { case 1: @@ -2267,7 +2288,7 @@ u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample, return 0; } - if (!evsel->needs_swap) + if (!needs_swap) return value; switch (field->size) { @@ -2284,6 +2305,17 @@ u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample, return 0; } +u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample, + const char *name) +{ + struct format_field *field = perf_evsel__field(evsel, name); + + if (!field) + return 0; + + return field ? format_field__intval(field, sample, evsel->needs_swap) : 0; +} + bool perf_evsel__fallback(struct perf_evsel *evsel, int err, char *msg, size_t msgsize) { @@ -2372,6 +2404,9 @@ int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target, "No such device - did you specify an out-of-range profile CPU?"); break; case EOPNOTSUPP: + if (evsel->attr.sample_period != 0) + return scnprintf(msg, size, "%s", + "PMU Hardware doesn't support sampling/overflow-interrupts."); if (evsel->attr.precise_ip) return scnprintf(msg, size, "%s", "\'precise\' request may not be supported. Try removing 'p' modifier."); @@ -2389,6 +2424,8 @@ int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target, "We found oprofile daemon running, please stop it and try again."); break; case EINVAL: + if (evsel->attr.write_backward && perf_missing_features.write_backward) + return scnprintf(msg, size, "Reading from overwrite event is not supported by this kernel."); if (perf_missing_features.clockid) return scnprintf(msg, size, "clockid feature not supported."); if (perf_missing_features.clockid_wrong) @@ -2402,6 +2439,13 @@ int perf_evsel__open_strerror(struct perf_evsel *evsel, struct target *target, "The sys_perf_event_open() syscall returned with %d (%s) for event (%s).\n" "/bin/dmesg may provide additional information.\n" "No CONFIG_PERF_EVENTS=y kernel support configured?", - err, strerror_r(err, sbuf, sizeof(sbuf)), + err, str_error_r(err, sbuf, sizeof(sbuf)), perf_evsel__name(evsel)); } + +char *perf_evsel__env_arch(struct perf_evsel *evsel) +{ + if (evsel && evsel->evlist && evsel->evlist->env) + return evsel->evlist->env->arch; + return NULL; +} diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index c1f10159804c..8a4a6c9f1480 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -44,6 +44,8 @@ enum { PERF_EVSEL__CONFIG_TERM_CALLGRAPH, PERF_EVSEL__CONFIG_TERM_STACK_USER, PERF_EVSEL__CONFIG_TERM_INHERIT, + PERF_EVSEL__CONFIG_TERM_MAX_STACK, + PERF_EVSEL__CONFIG_TERM_OVERWRITE, PERF_EVSEL__CONFIG_TERM_MAX, }; @@ -56,7 +58,9 @@ struct perf_evsel_config_term { bool time; char *callgraph; u64 stack_user; + int max_stack; bool inherit; + bool overwrite; } val; }; @@ -112,7 +116,6 @@ struct perf_evsel { bool tracking; bool per_pkg; bool precise_max; - bool overwrite; /* parse modifier helper */ int exclude_GH; int nr_members; @@ -259,6 +262,8 @@ static inline char *perf_evsel__strval(struct perf_evsel *evsel, struct format_field; +u64 format_field__intval(struct format_field *field, struct perf_sample *sample, bool needs_swap); + struct format_field *perf_evsel__field(struct perf_evsel *evsel, const char *name); #define perf_evsel__match(evsel, t, c) \ @@ -351,23 +356,7 @@ static inline bool perf_evsel__is_group_event(struct perf_evsel *evsel) return perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1; } -/** - * perf_evsel__is_function_event - Return whether given evsel is a function - * trace event - * - * @evsel - evsel selector to be tested - * - * Return %true if event is function trace event - */ -static inline bool perf_evsel__is_function_event(struct perf_evsel *evsel) -{ -#define FUNCTION_EVENT "ftrace:function" - - return evsel->name && - !strncmp(FUNCTION_EVENT, evsel->name, sizeof(FUNCTION_EVENT)); - -#undef FUNCTION_EVENT -} +bool perf_evsel__is_function_event(struct perf_evsel *evsel); static inline bool perf_evsel__is_bpf_output(struct perf_evsel *evsel) { @@ -431,4 +420,6 @@ typedef int (*attr__fprintf_f)(FILE *, const char *, const char *, void *); int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr, attr__fprintf_f attr__fprintf, void *priv); +char *perf_evsel__env_arch(struct perf_evsel *evsel); + #endif /* __PERF_EVSEL_H */ diff --git a/tools/perf/util/group.h b/tools/perf/util/group.h new file mode 100644 index 000000000000..116debe7a995 --- /dev/null +++ b/tools/perf/util/group.h @@ -0,0 +1,7 @@ +#ifndef GROUP_H +#define GROUP_H 1 + +bool arch_topdown_check_group(bool *warn); +void arch_topdown_group_warn(void); + +#endif diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 08852dde1378..8f0db4007282 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -336,7 +336,7 @@ static int write_event_desc(int fd, struct perf_header *h __maybe_unused, if (ret < 0) return ret; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { ret = do_write(fd, &evsel->attr, sz); if (ret < 0) return ret; @@ -801,7 +801,7 @@ static int write_group_desc(int fd, struct perf_header *h __maybe_unused, if (ret < 0) return ret; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1) { const char *name = evsel->group_name ?: "{anon_group}"; @@ -1306,42 +1306,19 @@ static void print_total_mem(struct perf_header *ph, int fd __maybe_unused, static void print_numa_topology(struct perf_header *ph, int fd __maybe_unused, FILE *fp) { - u32 nr, c, i; - char *str, *tmp; - uint64_t mem_total, mem_free; - - /* nr nodes */ - nr = ph->env.nr_numa_nodes; - str = ph->env.numa_nodes; - - for (i = 0; i < nr; i++) { - /* node number */ - c = strtoul(str, &tmp, 0); - if (*tmp != ':') - goto error; - - str = tmp + 1; - mem_total = strtoull(str, &tmp, 0); - if (*tmp != ':') - goto error; + int i; + struct numa_node *n; - str = tmp + 1; - mem_free = strtoull(str, &tmp, 0); - if (*tmp != ':') - goto error; + for (i = 0; i < ph->env.nr_numa_nodes; i++) { + n = &ph->env.numa_nodes[i]; fprintf(fp, "# node%u meminfo : total = %"PRIu64" kB," " free = %"PRIu64" kB\n", - c, mem_total, mem_free); + n->node, n->mem_total, n->mem_free); - str = tmp + 1; - fprintf(fp, "# node%u cpu list : %s\n", c, str); - - str += strlen(str) + 1; + fprintf(fp, "# node%u cpu list : ", n->node); + cpu_map__fprintf(n->map, fp); } - return; -error: - fprintf(fp, "# numa topology : not available\n"); } static void print_cpuid(struct perf_header *ph, int fd __maybe_unused, FILE *fp) @@ -1425,7 +1402,7 @@ static void print_group_desc(struct perf_header *ph, int fd __maybe_unused, session = container_of(ph, struct perf_session, header); - evlist__for_each(session->evlist, evsel) { + evlist__for_each_entry(session->evlist, evsel) { if (perf_evsel__is_group_leader(evsel) && evsel->nr_members > 1) { fprintf(fp, "# group: %s{%s", evsel->group_name ?: "", @@ -1703,7 +1680,7 @@ perf_evlist__find_by_index(struct perf_evlist *evlist, int idx) { struct perf_evsel *evsel; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (evsel->idx == idx) return evsel; } @@ -1906,11 +1883,10 @@ static int process_numa_topology(struct perf_file_section *section __maybe_unuse struct perf_header *ph, int fd, void *data __maybe_unused) { + struct numa_node *nodes, *n; ssize_t ret; - u32 nr, node, i; + u32 nr, i; char *str; - uint64_t mem_total, mem_free; - struct strbuf sb; /* nr nodes */ ret = readn(fd, &nr, sizeof(nr)); @@ -1921,47 +1897,47 @@ static int process_numa_topology(struct perf_file_section *section __maybe_unuse nr = bswap_32(nr); ph->env.nr_numa_nodes = nr; - if (strbuf_init(&sb, 256) < 0) - return -1; + nodes = zalloc(sizeof(*nodes) * nr); + if (!nodes) + return -ENOMEM; for (i = 0; i < nr; i++) { + n = &nodes[i]; + /* node number */ - ret = readn(fd, &node, sizeof(node)); - if (ret != sizeof(node)) + ret = readn(fd, &n->node, sizeof(u32)); + if (ret != sizeof(n->node)) goto error; - ret = readn(fd, &mem_total, sizeof(u64)); + ret = readn(fd, &n->mem_total, sizeof(u64)); if (ret != sizeof(u64)) goto error; - ret = readn(fd, &mem_free, sizeof(u64)); + ret = readn(fd, &n->mem_free, sizeof(u64)); if (ret != sizeof(u64)) goto error; if (ph->needs_swap) { - node = bswap_32(node); - mem_total = bswap_64(mem_total); - mem_free = bswap_64(mem_free); + n->node = bswap_32(n->node); + n->mem_total = bswap_64(n->mem_total); + n->mem_free = bswap_64(n->mem_free); } - if (strbuf_addf(&sb, "%u:%"PRIu64":%"PRIu64":", - node, mem_total, mem_free) < 0) - goto error; - str = do_read_string(fd, ph); if (!str) goto error; - /* include a NULL character at the end */ - if (strbuf_add(&sb, str, strlen(str) + 1) < 0) + n->map = cpu_map__new(str); + if (!n->map) goto error; + free(str); } - ph->env.numa_nodes = strbuf_detach(&sb, NULL); + ph->env.numa_nodes = nodes; return 0; error: - strbuf_release(&sb); + free(nodes); return -1; } @@ -2075,7 +2051,7 @@ static int process_group_desc(struct perf_file_section *section __maybe_unused, session->evlist->nr_groups = nr_groups; i = nr = 0; - evlist__for_each(session->evlist, evsel) { + evlist__for_each_entry(session->evlist, evsel) { if (evsel->idx == (int) desc[i].leader_idx) { evsel->leader = evsel; /* {anon_group} is a dummy name */ @@ -2383,7 +2359,7 @@ int perf_session__write_header(struct perf_session *session, lseek(fd, sizeof(f_header), SEEK_SET); - evlist__for_each(session->evlist, evsel) { + evlist__for_each_entry(session->evlist, evsel) { evsel->id_offset = lseek(fd, 0, SEEK_CUR); err = do_write(fd, evsel->id, evsel->ids * sizeof(u64)); if (err < 0) { @@ -2394,7 +2370,7 @@ int perf_session__write_header(struct perf_session *session, attr_offset = lseek(fd, 0, SEEK_CUR); - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { f_attr = (struct perf_file_attr){ .attr = evsel->attr, .ids = { @@ -2828,7 +2804,7 @@ static int perf_evlist__prepare_tracepoint_events(struct perf_evlist *evlist, { struct perf_evsel *pos; - evlist__for_each(evlist, pos) { + evlist__for_each_entry(evlist, pos) { if (pos->attr.type == PERF_TYPE_TRACEPOINT && perf_evsel__prepare_tracepoint_event(pos, pevent)) return -1; @@ -3127,7 +3103,7 @@ int perf_event__synthesize_attrs(struct perf_tool *tool, struct perf_evsel *evsel; int err = 0; - evlist__for_each(session->evlist, evsel) { + evlist__for_each_entry(session->evlist, evsel) { err = perf_event__synthesize_attr(tool, &evsel->attr, evsel->ids, evsel->id, process); if (err) { diff --git a/tools/perf/util/help-unknown-cmd.c b/tools/perf/util/help-unknown-cmd.c index d62ccaeeadd6..2821f8d77e52 100644 --- a/tools/perf/util/help-unknown-cmd.c +++ b/tools/perf/util/help-unknown-cmd.c @@ -1,4 +1,6 @@ #include "cache.h" +#include "config.h" +#include <stdio.h> #include <subcmd/help.h> #include "../builtin.h" #include "levenshtein.h" diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index d1f19e0012d4..a18d142cdca3 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -79,7 +79,7 @@ void hists__calc_col_len(struct hists *hists, struct hist_entry *h) len = thread__comm_len(h->thread); if (hists__new_col_len(hists, HISTC_COMM, len)) - hists__set_col_len(hists, HISTC_THREAD, len + 6); + hists__set_col_len(hists, HISTC_THREAD, len + 8); if (h->ms.map) { len = dso__name_len(h->ms.map->dso); @@ -352,86 +352,114 @@ void hists__delete_entries(struct hists *hists) * histogram, sorted on item, collects periods */ -static struct hist_entry *hist_entry__new(struct hist_entry *template, - bool sample_self) +static int hist_entry__init(struct hist_entry *he, + struct hist_entry *template, + bool sample_self) { - size_t callchain_size = 0; - struct hist_entry *he; + *he = *template; - if (symbol_conf.use_callchain) - callchain_size = sizeof(struct callchain_root); + if (symbol_conf.cumulate_callchain) { + he->stat_acc = malloc(sizeof(he->stat)); + if (he->stat_acc == NULL) + return -ENOMEM; + memcpy(he->stat_acc, &he->stat, sizeof(he->stat)); + if (!sample_self) + memset(&he->stat, 0, sizeof(he->stat)); + } - he = zalloc(sizeof(*he) + callchain_size); + map__get(he->ms.map); - if (he != NULL) { - *he = *template; + if (he->branch_info) { + /* + * This branch info is (a part of) allocated from + * sample__resolve_bstack() and will be freed after + * adding new entries. So we need to save a copy. + */ + he->branch_info = malloc(sizeof(*he->branch_info)); + if (he->branch_info == NULL) { + map__zput(he->ms.map); + free(he->stat_acc); + return -ENOMEM; + } + + memcpy(he->branch_info, template->branch_info, + sizeof(*he->branch_info)); + + map__get(he->branch_info->from.map); + map__get(he->branch_info->to.map); + } - if (symbol_conf.cumulate_callchain) { - he->stat_acc = malloc(sizeof(he->stat)); - if (he->stat_acc == NULL) { - free(he); - return NULL; + if (he->mem_info) { + map__get(he->mem_info->iaddr.map); + map__get(he->mem_info->daddr.map); + } + + if (symbol_conf.use_callchain) + callchain_init(he->callchain); + + if (he->raw_data) { + he->raw_data = memdup(he->raw_data, he->raw_size); + + if (he->raw_data == NULL) { + map__put(he->ms.map); + if (he->branch_info) { + map__put(he->branch_info->from.map); + map__put(he->branch_info->to.map); + free(he->branch_info); + } + if (he->mem_info) { + map__put(he->mem_info->iaddr.map); + map__put(he->mem_info->daddr.map); } - memcpy(he->stat_acc, &he->stat, sizeof(he->stat)); - if (!sample_self) - memset(&he->stat, 0, sizeof(he->stat)); + free(he->stat_acc); + return -ENOMEM; } + } + INIT_LIST_HEAD(&he->pairs.node); + thread__get(he->thread); - map__get(he->ms.map); + if (!symbol_conf.report_hierarchy) + he->leaf = true; - if (he->branch_info) { - /* - * This branch info is (a part of) allocated from - * sample__resolve_bstack() and will be freed after - * adding new entries. So we need to save a copy. - */ - he->branch_info = malloc(sizeof(*he->branch_info)); - if (he->branch_info == NULL) { - map__zput(he->ms.map); - free(he->stat_acc); - free(he); - return NULL; - } + return 0; +} - memcpy(he->branch_info, template->branch_info, - sizeof(*he->branch_info)); +static void *hist_entry__zalloc(size_t size) +{ + return zalloc(size + sizeof(struct hist_entry)); +} - map__get(he->branch_info->from.map); - map__get(he->branch_info->to.map); - } +static void hist_entry__free(void *ptr) +{ + free(ptr); +} - if (he->mem_info) { - map__get(he->mem_info->iaddr.map); - map__get(he->mem_info->daddr.map); - } +static struct hist_entry_ops default_ops = { + .new = hist_entry__zalloc, + .free = hist_entry__free, +}; - if (symbol_conf.use_callchain) - callchain_init(he->callchain); +static struct hist_entry *hist_entry__new(struct hist_entry *template, + bool sample_self) +{ + struct hist_entry_ops *ops = template->ops; + size_t callchain_size = 0; + struct hist_entry *he; + int err = 0; - if (he->raw_data) { - he->raw_data = memdup(he->raw_data, he->raw_size); + if (!ops) + ops = template->ops = &default_ops; - if (he->raw_data == NULL) { - map__put(he->ms.map); - if (he->branch_info) { - map__put(he->branch_info->from.map); - map__put(he->branch_info->to.map); - free(he->branch_info); - } - if (he->mem_info) { - map__put(he->mem_info->iaddr.map); - map__put(he->mem_info->daddr.map); - } - free(he->stat_acc); - free(he); - return NULL; - } - } - INIT_LIST_HEAD(&he->pairs.node); - thread__get(he->thread); + if (symbol_conf.use_callchain) + callchain_size = sizeof(struct callchain_root); - if (!symbol_conf.report_hierarchy) - he->leaf = true; + he = ops->new(callchain_size); + if (he) { + err = hist_entry__init(he, template, sample_self); + if (err) { + ops->free(he); + he = NULL; + } } return he; @@ -531,13 +559,15 @@ out: return he; } -struct hist_entry *__hists__add_entry(struct hists *hists, - struct addr_location *al, - struct symbol *sym_parent, - struct branch_info *bi, - struct mem_info *mi, - struct perf_sample *sample, - bool sample_self) +static struct hist_entry* +__hists__add_entry(struct hists *hists, + struct addr_location *al, + struct symbol *sym_parent, + struct branch_info *bi, + struct mem_info *mi, + struct perf_sample *sample, + bool sample_self, + struct hist_entry_ops *ops) { struct hist_entry entry = { .thread = al->thread, @@ -564,11 +594,37 @@ struct hist_entry *__hists__add_entry(struct hists *hists, .transaction = sample->transaction, .raw_data = sample->raw_data, .raw_size = sample->raw_size, + .ops = ops, }; return hists__findnew_entry(hists, &entry, al, sample_self); } +struct hist_entry *hists__add_entry(struct hists *hists, + struct addr_location *al, + struct symbol *sym_parent, + struct branch_info *bi, + struct mem_info *mi, + struct perf_sample *sample, + bool sample_self) +{ + return __hists__add_entry(hists, al, sym_parent, bi, mi, + sample, sample_self, NULL); +} + +struct hist_entry *hists__add_entry_ops(struct hists *hists, + struct hist_entry_ops *ops, + struct addr_location *al, + struct symbol *sym_parent, + struct branch_info *bi, + struct mem_info *mi, + struct perf_sample *sample, + bool sample_self) +{ + return __hists__add_entry(hists, al, sym_parent, bi, mi, + sample, sample_self, ops); +} + static int iter_next_nop_entry(struct hist_entry_iter *iter __maybe_unused, struct addr_location *al __maybe_unused) @@ -622,8 +678,8 @@ iter_add_single_mem_entry(struct hist_entry_iter *iter, struct addr_location *al */ sample->period = cost; - he = __hists__add_entry(hists, al, iter->parent, NULL, mi, - sample, true); + he = hists__add_entry(hists, al, iter->parent, NULL, mi, + sample, true); if (!he) return -ENOMEM; @@ -727,8 +783,8 @@ iter_add_next_branch_entry(struct hist_entry_iter *iter, struct addr_location *a sample->period = 1; sample->weight = bi->flags.cycles ? bi->flags.cycles : 1; - he = __hists__add_entry(hists, al, iter->parent, &bi[i], NULL, - sample, true); + he = hists__add_entry(hists, al, iter->parent, &bi[i], NULL, + sample, true); if (he == NULL) return -ENOMEM; @@ -764,8 +820,8 @@ iter_add_single_normal_entry(struct hist_entry_iter *iter, struct addr_location struct perf_sample *sample = iter->sample; struct hist_entry *he; - he = __hists__add_entry(evsel__hists(evsel), al, iter->parent, NULL, NULL, - sample, true); + he = hists__add_entry(evsel__hists(evsel), al, iter->parent, NULL, NULL, + sample, true); if (he == NULL) return -ENOMEM; @@ -825,8 +881,8 @@ iter_add_single_cumulative_entry(struct hist_entry_iter *iter, struct hist_entry *he; int err = 0; - he = __hists__add_entry(hists, al, iter->parent, NULL, NULL, - sample, true); + he = hists__add_entry(hists, al, iter->parent, NULL, NULL, + sample, true); if (he == NULL) return -ENOMEM; @@ -900,8 +956,8 @@ iter_add_next_cumulative_entry(struct hist_entry_iter *iter, } } - he = __hists__add_entry(evsel__hists(evsel), al, iter->parent, NULL, NULL, - sample, false); + he = hists__add_entry(evsel__hists(evsel), al, iter->parent, NULL, NULL, + sample, false); if (he == NULL) return -ENOMEM; @@ -1043,6 +1099,8 @@ hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) void hist_entry__delete(struct hist_entry *he) { + struct hist_entry_ops *ops = he->ops; + thread__zput(he->thread); map__zput(he->ms.map); @@ -1067,7 +1125,7 @@ void hist_entry__delete(struct hist_entry *he) free_callchain(he->callchain); free(he->trace_output); free(he->raw_data); - free(he); + ops->free(he); } /* @@ -1081,7 +1139,7 @@ int hist_entry__snprintf_alignment(struct hist_entry *he, struct perf_hpp *hpp, struct perf_hpp_fmt *fmt, int printed) { if (!list_is_last(&fmt->list, &he->hists->hpp_list->fields)) { - const int width = fmt->width(fmt, hpp, hists_to_evsel(he->hists)); + const int width = fmt->width(fmt, hpp, he->hists); if (printed < width) { advance_hpp(hpp, printed); printed = scnprintf(hpp->buf, hpp->size, "%-*s", width - printed, " "); @@ -2199,7 +2257,7 @@ size_t perf_evlist__fprintf_nr_events(struct perf_evlist *evlist, FILE *fp) struct perf_evsel *pos; size_t ret = 0; - evlist__for_each(evlist, pos) { + evlist__for_each_entry(evlist, pos) { ret += fprintf(fp, "%s stats:\n", perf_evsel__name(pos)); ret += events_stats__fprintf(&evsel__hists(pos)->stats, fp); } diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 7b54ccf1b737..49aa4fac148f 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -10,6 +10,7 @@ #include "ui/progress.h" struct hist_entry; +struct hist_entry_ops; struct addr_location; struct symbol; @@ -120,13 +121,23 @@ extern const struct hist_iter_ops hist_iter_branch; extern const struct hist_iter_ops hist_iter_mem; extern const struct hist_iter_ops hist_iter_cumulative; -struct hist_entry *__hists__add_entry(struct hists *hists, - struct addr_location *al, - struct symbol *parent, - struct branch_info *bi, - struct mem_info *mi, - struct perf_sample *sample, - bool sample_self); +struct hist_entry *hists__add_entry(struct hists *hists, + struct addr_location *al, + struct symbol *parent, + struct branch_info *bi, + struct mem_info *mi, + struct perf_sample *sample, + bool sample_self); + +struct hist_entry *hists__add_entry_ops(struct hists *hists, + struct hist_entry_ops *ops, + struct addr_location *al, + struct symbol *sym_parent, + struct branch_info *bi, + struct mem_info *mi, + struct perf_sample *sample, + bool sample_self); + int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al, int max_stack_depth, void *arg); @@ -159,7 +170,8 @@ void events_stats__inc(struct events_stats *stats, u32 type); size_t events_stats__fprintf(struct events_stats *stats, FILE *fp); size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows, - int max_cols, float min_pcnt, FILE *fp); + int max_cols, float min_pcnt, FILE *fp, + bool use_callchain); size_t perf_evlist__fprintf_nr_events(struct perf_evlist *evlist, FILE *fp); void hists__filter_by_dso(struct hists *hists); @@ -214,9 +226,9 @@ struct perf_hpp { struct perf_hpp_fmt { const char *name; int (*header)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, - struct perf_evsel *evsel); + struct hists *hists); int (*width)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, - struct perf_evsel *evsel); + struct hists *hists); int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he); int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, diff --git a/tools/perf/util/include/asm/byteorder.h b/tools/perf/util/include/asm/byteorder.h deleted file mode 100644 index 2a9bdc066307..000000000000 --- a/tools/perf/util/include/asm/byteorder.h +++ /dev/null @@ -1,2 +0,0 @@ -#include <asm/types.h> -#include "../../../../include/uapi/linux/swab.h" diff --git a/tools/perf/util/include/asm/unistd_32.h b/tools/perf/util/include/asm/unistd_32.h deleted file mode 100644 index 8b137891791f..000000000000 --- a/tools/perf/util/include/asm/unistd_32.h +++ /dev/null @@ -1 +0,0 @@ - diff --git a/tools/perf/util/include/asm/unistd_64.h b/tools/perf/util/include/asm/unistd_64.h deleted file mode 100644 index 8b137891791f..000000000000 --- a/tools/perf/util/include/asm/unistd_64.h +++ /dev/null @@ -1 +0,0 @@ - diff --git a/tools/perf/util/include/linux/const.h b/tools/perf/util/include/linux/const.h deleted file mode 100644 index c10a35e1afb8..000000000000 --- a/tools/perf/util/include/linux/const.h +++ /dev/null @@ -1 +0,0 @@ -#include "../../../../include/uapi/linux/const.h" diff --git a/tools/perf/util/intel-bts.c b/tools/perf/util/intel-bts.c index 9df996085563..749e6f2e37ca 100644 --- a/tools/perf/util/intel-bts.c +++ b/tools/perf/util/intel-bts.c @@ -422,7 +422,8 @@ static int intel_bts_get_branch_type(struct intel_bts_queue *btsq, } static int intel_bts_process_buffer(struct intel_bts_queue *btsq, - struct auxtrace_buffer *buffer) + struct auxtrace_buffer *buffer, + struct thread *thread) { struct branch *branch; size_t sz, bsz = sizeof(struct branch); @@ -444,6 +445,12 @@ static int intel_bts_process_buffer(struct intel_bts_queue *btsq, if (!branch->from && !branch->to) continue; intel_bts_get_branch_type(btsq, branch); + if (btsq->bts->synth_opts.thread_stack) + thread_stack__event(thread, btsq->sample_flags, + le64_to_cpu(branch->from), + le64_to_cpu(branch->to), + btsq->intel_pt_insn.length, + buffer->buffer_nr + 1); if (filter && !(filter & btsq->sample_flags)) continue; err = intel_bts_synth_branch_sample(btsq, branch); @@ -507,12 +514,13 @@ static int intel_bts_process_queue(struct intel_bts_queue *btsq, u64 *timestamp) goto out_put; } - if (!btsq->bts->synth_opts.callchain && thread && + if (!btsq->bts->synth_opts.callchain && + !btsq->bts->synth_opts.thread_stack && thread && (!old_buffer || btsq->bts->sampling_mode || (btsq->bts->snapshot_mode && !buffer->consecutive))) thread_stack__set_trace_nr(thread, buffer->buffer_nr + 1); - err = intel_bts_process_buffer(btsq, buffer); + err = intel_bts_process_buffer(btsq, buffer, thread); auxtrace_buffer__drop_data(buffer); @@ -777,7 +785,7 @@ static int intel_bts_synth_events(struct intel_bts *bts, u64 id; int err; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (evsel->attr.type == bts->pmu_type && evsel->ids) { found = true; break; @@ -905,10 +913,14 @@ int intel_bts_process_auxtrace_info(union perf_event *event, if (dump_trace) return 0; - if (session->itrace_synth_opts && session->itrace_synth_opts->set) + if (session->itrace_synth_opts && session->itrace_synth_opts->set) { bts->synth_opts = *session->itrace_synth_opts; - else + } else { itrace_synth_opts__set_default(&bts->synth_opts); + if (session->itrace_synth_opts) + bts->synth_opts.thread_stack = + session->itrace_synth_opts->thread_stack; + } if (bts->synth_opts.calls) bts->branches_filter |= PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | diff --git a/tools/perf/util/intel-pt-decoder/Build b/tools/perf/util/intel-pt-decoder/Build index 0611d619a42e..9b742ea8bfe8 100644 --- a/tools/perf/util/intel-pt-decoder/Build +++ b/tools/perf/util/intel-pt-decoder/Build @@ -7,8 +7,11 @@ $(OUTPUT)util/intel-pt-decoder/inat-tables.c: $(inat_tables_script) $(inat_table $(call rule_mkdir) @$(call echo-cmd,gen)$(AWK) -f $(inat_tables_script) $(inat_tables_maps) > $@ || rm -f $@ +# Busybox's diff doesn't have -I, avoid warning in the case + $(OUTPUT)util/intel-pt-decoder/intel-pt-insn-decoder.o: util/intel-pt-decoder/intel-pt-insn-decoder.c util/intel-pt-decoder/inat.c $(OUTPUT)util/intel-pt-decoder/inat-tables.c - @(test -d ../../kernel -a -d ../../tools -a -d ../perf && (( \ + @(diff -I 2>&1 | grep -q 'option requires an argument' && \ + test -d ../../kernel -a -d ../../tools -a -d ../perf && (( \ diff -B -I'^#include' util/intel-pt-decoder/insn.c ../../arch/x86/lib/insn.c >/dev/null && \ diff -B -I'^#include' util/intel-pt-decoder/inat.c ../../arch/x86/lib/inat.c >/dev/null && \ diff -B util/intel-pt-decoder/x86-opcode-map.txt ../../arch/x86/lib/x86-opcode-map.txt >/dev/null && \ diff --git a/tools/perf/util/intel-pt-decoder/gen-insn-attr-x86.awk b/tools/perf/util/intel-pt-decoder/gen-insn-attr-x86.awk index 517567347aac..54e961659514 100644 --- a/tools/perf/util/intel-pt-decoder/gen-insn-attr-x86.awk +++ b/tools/perf/util/intel-pt-decoder/gen-insn-attr-x86.awk @@ -72,12 +72,14 @@ BEGIN { lprefix_expr = "\\((66|F2|F3)\\)" max_lprefix = 4 - # All opcodes starting with lower-case 'v' or with (v1) superscript + # All opcodes starting with lower-case 'v', 'k' or with (v1) superscript # accepts VEX prefix - vexok_opcode_expr = "^v.*" + vexok_opcode_expr = "^[vk].*" vexok_expr = "\\(v1\\)" # All opcodes with (v) superscript supports *only* VEX prefix vexonly_expr = "\\(v\\)" + # All opcodes with (ev) superscript supports *only* EVEX prefix + evexonly_expr = "\\(ev\\)" prefix_expr = "\\(Prefix\\)" prefix_num["Operand-Size"] = "INAT_PFX_OPNDSZ" @@ -95,6 +97,7 @@ BEGIN { prefix_num["Address-Size"] = "INAT_PFX_ADDRSZ" prefix_num["VEX+1byte"] = "INAT_PFX_VEX2" prefix_num["VEX+2byte"] = "INAT_PFX_VEX3" + prefix_num["EVEX"] = "INAT_PFX_EVEX" clear_vars() } @@ -319,7 +322,9 @@ function convert_operands(count,opnd, i,j,imm,mod) flags = add_flags(flags, "INAT_MODRM") # check VEX codes - if (match(ext, vexonly_expr)) + if (match(ext, evexonly_expr)) + flags = add_flags(flags, "INAT_VEXOK | INAT_EVEXONLY") + else if (match(ext, vexonly_expr)) flags = add_flags(flags, "INAT_VEXOK | INAT_VEXONLY") else if (match(ext, vexok_expr) || match(opcode, vexok_opcode_expr)) flags = add_flags(flags, "INAT_VEXOK") diff --git a/tools/perf/util/intel-pt-decoder/inat.h b/tools/perf/util/intel-pt-decoder/inat.h index 611645e903a8..125ecd2a300d 100644 --- a/tools/perf/util/intel-pt-decoder/inat.h +++ b/tools/perf/util/intel-pt-decoder/inat.h @@ -48,6 +48,7 @@ /* AVX VEX prefixes */ #define INAT_PFX_VEX2 13 /* 2-bytes VEX prefix */ #define INAT_PFX_VEX3 14 /* 3-bytes VEX prefix */ +#define INAT_PFX_EVEX 15 /* EVEX prefix */ #define INAT_LSTPFX_MAX 3 #define INAT_LGCPFX_MAX 11 @@ -89,6 +90,7 @@ #define INAT_VARIANT (1 << (INAT_FLAG_OFFS + 4)) #define INAT_VEXOK (1 << (INAT_FLAG_OFFS + 5)) #define INAT_VEXONLY (1 << (INAT_FLAG_OFFS + 6)) +#define INAT_EVEXONLY (1 << (INAT_FLAG_OFFS + 7)) /* Attribute making macros for attribute tables */ #define INAT_MAKE_PREFIX(pfx) (pfx << INAT_PFX_OFFS) #define INAT_MAKE_ESCAPE(esc) (esc << INAT_ESC_OFFS) @@ -141,7 +143,13 @@ static inline int inat_last_prefix_id(insn_attr_t attr) static inline int inat_is_vex_prefix(insn_attr_t attr) { attr &= INAT_PFX_MASK; - return attr == INAT_PFX_VEX2 || attr == INAT_PFX_VEX3; + return attr == INAT_PFX_VEX2 || attr == INAT_PFX_VEX3 || + attr == INAT_PFX_EVEX; +} + +static inline int inat_is_evex_prefix(insn_attr_t attr) +{ + return (attr & INAT_PFX_MASK) == INAT_PFX_EVEX; } static inline int inat_is_vex3_prefix(insn_attr_t attr) @@ -216,6 +224,11 @@ static inline int inat_accept_vex(insn_attr_t attr) static inline int inat_must_vex(insn_attr_t attr) { - return attr & INAT_VEXONLY; + return attr & (INAT_VEXONLY | INAT_EVEXONLY); +} + +static inline int inat_must_evex(insn_attr_t attr) +{ + return attr & INAT_EVEXONLY; } #endif diff --git a/tools/perf/util/intel-pt-decoder/insn.c b/tools/perf/util/intel-pt-decoder/insn.c index 9f26eae6c9f0..ca983e2bea8b 100644 --- a/tools/perf/util/intel-pt-decoder/insn.c +++ b/tools/perf/util/intel-pt-decoder/insn.c @@ -155,14 +155,24 @@ found: /* * In 32-bits mode, if the [7:6] bits (mod bits of * ModRM) on the second byte are not 11b, it is - * LDS or LES. + * LDS or LES or BOUND. */ if (X86_MODRM_MOD(b2) != 3) goto vex_end; } insn->vex_prefix.bytes[0] = b; insn->vex_prefix.bytes[1] = b2; - if (inat_is_vex3_prefix(attr)) { + if (inat_is_evex_prefix(attr)) { + b2 = peek_nbyte_next(insn_byte_t, insn, 2); + insn->vex_prefix.bytes[2] = b2; + b2 = peek_nbyte_next(insn_byte_t, insn, 3); + insn->vex_prefix.bytes[3] = b2; + insn->vex_prefix.nbytes = 4; + insn->next_byte += 4; + if (insn->x86_64 && X86_VEX_W(b2)) + /* VEX.W overrides opnd_size */ + insn->opnd_bytes = 8; + } else if (inat_is_vex3_prefix(attr)) { b2 = peek_nbyte_next(insn_byte_t, insn, 2); insn->vex_prefix.bytes[2] = b2; insn->vex_prefix.nbytes = 3; @@ -221,7 +231,9 @@ void insn_get_opcode(struct insn *insn) m = insn_vex_m_bits(insn); p = insn_vex_p_bits(insn); insn->attr = inat_get_avx_attribute(op, m, p); - if (!inat_accept_vex(insn->attr) && !inat_is_group(insn->attr)) + if ((inat_must_evex(insn->attr) && !insn_is_evex(insn)) || + (!inat_accept_vex(insn->attr) && + !inat_is_group(insn->attr))) insn->attr = 0; /* This instruction is bad */ goto end; /* VEX has only 1 byte for opcode */ } diff --git a/tools/perf/util/intel-pt-decoder/insn.h b/tools/perf/util/intel-pt-decoder/insn.h index dd12da0f4593..e23578c7b1be 100644 --- a/tools/perf/util/intel-pt-decoder/insn.h +++ b/tools/perf/util/intel-pt-decoder/insn.h @@ -91,6 +91,7 @@ struct insn { #define X86_VEX_B(vex) ((vex) & 0x20) /* VEX3 Byte1 */ #define X86_VEX_L(vex) ((vex) & 0x04) /* VEX3 Byte2, VEX2 Byte1 */ /* VEX bit fields */ +#define X86_EVEX_M(vex) ((vex) & 0x03) /* EVEX Byte1 */ #define X86_VEX3_M(vex) ((vex) & 0x1f) /* VEX3 Byte1 */ #define X86_VEX2_M 1 /* VEX2.M always 1 */ #define X86_VEX_V(vex) (((vex) & 0x78) >> 3) /* VEX3 Byte2, VEX2 Byte1 */ @@ -133,6 +134,13 @@ static inline int insn_is_avx(struct insn *insn) return (insn->vex_prefix.value != 0); } +static inline int insn_is_evex(struct insn *insn) +{ + if (!insn->prefixes.got) + insn_get_prefixes(insn); + return (insn->vex_prefix.nbytes == 4); +} + /* Ensure this instruction is decoded completely */ static inline int insn_complete(struct insn *insn) { @@ -144,8 +152,10 @@ static inline insn_byte_t insn_vex_m_bits(struct insn *insn) { if (insn->vex_prefix.nbytes == 2) /* 2 bytes VEX */ return X86_VEX2_M; - else + else if (insn->vex_prefix.nbytes == 3) /* 3 bytes VEX */ return X86_VEX3_M(insn->vex_prefix.bytes[1]); + else /* EVEX */ + return X86_EVEX_M(insn->vex_prefix.bytes[1]); } static inline insn_byte_t insn_vex_p_bits(struct insn *insn) diff --git a/tools/perf/util/intel-pt-decoder/x86-opcode-map.txt b/tools/perf/util/intel-pt-decoder/x86-opcode-map.txt index 28632ee68377..767be7c76034 100644 --- a/tools/perf/util/intel-pt-decoder/x86-opcode-map.txt +++ b/tools/perf/util/intel-pt-decoder/x86-opcode-map.txt @@ -13,12 +13,17 @@ # opcode: escape # escaped-name # EndTable # +# mnemonics that begin with lowercase 'v' accept a VEX or EVEX prefix +# mnemonics that begin with lowercase 'k' accept a VEX prefix +# #<group maps> # GrpTable: GrpXXX # reg: mnemonic [operand1[,operand2...]] [(extra1)[,(extra2)...] [| 2nd-mnemonic ...] # EndTable # # AVX Superscripts +# (ev): this opcode requires EVEX prefix. +# (evo): this opcode is changed by EVEX prefix (EVEX opcode) # (v): this opcode requires VEX prefix. # (v1): this opcode only supports 128bit VEX. # @@ -137,7 +142,7 @@ AVXcode: # 0x60 - 0x6f 60: PUSHA/PUSHAD (i64) 61: POPA/POPAD (i64) -62: BOUND Gv,Ma (i64) +62: BOUND Gv,Ma (i64) | EVEX (Prefix) 63: ARPL Ew,Gw (i64) | MOVSXD Gv,Ev (o64) 64: SEG=FS (Prefix) 65: SEG=GS (Prefix) @@ -399,17 +404,17 @@ AVXcode: 1 3f: # 0x0f 0x40-0x4f 40: CMOVO Gv,Ev -41: CMOVNO Gv,Ev -42: CMOVB/C/NAE Gv,Ev +41: CMOVNO Gv,Ev | kandw/q Vk,Hk,Uk | kandb/d Vk,Hk,Uk (66) +42: CMOVB/C/NAE Gv,Ev | kandnw/q Vk,Hk,Uk | kandnb/d Vk,Hk,Uk (66) 43: CMOVAE/NB/NC Gv,Ev -44: CMOVE/Z Gv,Ev -45: CMOVNE/NZ Gv,Ev -46: CMOVBE/NA Gv,Ev -47: CMOVA/NBE Gv,Ev +44: CMOVE/Z Gv,Ev | knotw/q Vk,Uk | knotb/d Vk,Uk (66) +45: CMOVNE/NZ Gv,Ev | korw/q Vk,Hk,Uk | korb/d Vk,Hk,Uk (66) +46: CMOVBE/NA Gv,Ev | kxnorw/q Vk,Hk,Uk | kxnorb/d Vk,Hk,Uk (66) +47: CMOVA/NBE Gv,Ev | kxorw/q Vk,Hk,Uk | kxorb/d Vk,Hk,Uk (66) 48: CMOVS Gv,Ev 49: CMOVNS Gv,Ev -4a: CMOVP/PE Gv,Ev -4b: CMOVNP/PO Gv,Ev +4a: CMOVP/PE Gv,Ev | kaddw/q Vk,Hk,Uk | kaddb/d Vk,Hk,Uk (66) +4b: CMOVNP/PO Gv,Ev | kunpckbw Vk,Hk,Uk (66) | kunpckwd/dq Vk,Hk,Uk 4c: CMOVL/NGE Gv,Ev 4d: CMOVNL/GE Gv,Ev 4e: CMOVLE/NG Gv,Ev @@ -426,7 +431,7 @@ AVXcode: 1 58: vaddps Vps,Hps,Wps | vaddpd Vpd,Hpd,Wpd (66) | vaddss Vss,Hss,Wss (F3),(v1) | vaddsd Vsd,Hsd,Wsd (F2),(v1) 59: vmulps Vps,Hps,Wps | vmulpd Vpd,Hpd,Wpd (66) | vmulss Vss,Hss,Wss (F3),(v1) | vmulsd Vsd,Hsd,Wsd (F2),(v1) 5a: vcvtps2pd Vpd,Wps | vcvtpd2ps Vps,Wpd (66) | vcvtss2sd Vsd,Hx,Wss (F3),(v1) | vcvtsd2ss Vss,Hx,Wsd (F2),(v1) -5b: vcvtdq2ps Vps,Wdq | vcvtps2dq Vdq,Wps (66) | vcvttps2dq Vdq,Wps (F3) +5b: vcvtdq2ps Vps,Wdq | vcvtqq2ps Vps,Wqq (evo) | vcvtps2dq Vdq,Wps (66) | vcvttps2dq Vdq,Wps (F3) 5c: vsubps Vps,Hps,Wps | vsubpd Vpd,Hpd,Wpd (66) | vsubss Vss,Hss,Wss (F3),(v1) | vsubsd Vsd,Hsd,Wsd (F2),(v1) 5d: vminps Vps,Hps,Wps | vminpd Vpd,Hpd,Wpd (66) | vminss Vss,Hss,Wss (F3),(v1) | vminsd Vsd,Hsd,Wsd (F2),(v1) 5e: vdivps Vps,Hps,Wps | vdivpd Vpd,Hpd,Wpd (66) | vdivss Vss,Hss,Wss (F3),(v1) | vdivsd Vsd,Hsd,Wsd (F2),(v1) @@ -447,7 +452,7 @@ AVXcode: 1 6c: vpunpcklqdq Vx,Hx,Wx (66),(v1) 6d: vpunpckhqdq Vx,Hx,Wx (66),(v1) 6e: movd/q Pd,Ey | vmovd/q Vy,Ey (66),(v1) -6f: movq Pq,Qq | vmovdqa Vx,Wx (66) | vmovdqu Vx,Wx (F3) +6f: movq Pq,Qq | vmovdqa Vx,Wx (66) | vmovdqa32/64 Vx,Wx (66),(evo) | vmovdqu Vx,Wx (F3) | vmovdqu32/64 Vx,Wx (F3),(evo) | vmovdqu8/16 Vx,Wx (F2),(ev) # 0x0f 0x70-0x7f 70: pshufw Pq,Qq,Ib | vpshufd Vx,Wx,Ib (66),(v1) | vpshufhw Vx,Wx,Ib (F3),(v1) | vpshuflw Vx,Wx,Ib (F2),(v1) 71: Grp12 (1A) @@ -458,14 +463,14 @@ AVXcode: 1 76: pcmpeqd Pq,Qq | vpcmpeqd Vx,Hx,Wx (66),(v1) # Note: Remove (v), because vzeroall and vzeroupper becomes emms without VEX. 77: emms | vzeroupper | vzeroall -78: VMREAD Ey,Gy -79: VMWRITE Gy,Ey -7a: -7b: +78: VMREAD Ey,Gy | vcvttps2udq/pd2udq Vx,Wpd (evo) | vcvttsd2usi Gv,Wx (F2),(ev) | vcvttss2usi Gv,Wx (F3),(ev) | vcvttps2uqq/pd2uqq Vx,Wx (66),(ev) +79: VMWRITE Gy,Ey | vcvtps2udq/pd2udq Vx,Wpd (evo) | vcvtsd2usi Gv,Wx (F2),(ev) | vcvtss2usi Gv,Wx (F3),(ev) | vcvtps2uqq/pd2uqq Vx,Wx (66),(ev) +7a: vcvtudq2pd/uqq2pd Vpd,Wx (F3),(ev) | vcvtudq2ps/uqq2ps Vpd,Wx (F2),(ev) | vcvttps2qq/pd2qq Vx,Wx (66),(ev) +7b: vcvtusi2sd Vpd,Hpd,Ev (F2),(ev) | vcvtusi2ss Vps,Hps,Ev (F3),(ev) | vcvtps2qq/pd2qq Vx,Wx (66),(ev) 7c: vhaddpd Vpd,Hpd,Wpd (66) | vhaddps Vps,Hps,Wps (F2) 7d: vhsubpd Vpd,Hpd,Wpd (66) | vhsubps Vps,Hps,Wps (F2) 7e: movd/q Ey,Pd | vmovd/q Ey,Vy (66),(v1) | vmovq Vq,Wq (F3),(v1) -7f: movq Qq,Pq | vmovdqa Wx,Vx (66) | vmovdqu Wx,Vx (F3) +7f: movq Qq,Pq | vmovdqa Wx,Vx (66) | vmovdqa32/64 Wx,Vx (66),(evo) | vmovdqu Wx,Vx (F3) | vmovdqu32/64 Wx,Vx (F3),(evo) | vmovdqu8/16 Wx,Vx (F2),(ev) # 0x0f 0x80-0x8f # Note: "forced64" is Intel CPU behavior (see comment about CALL insn). 80: JO Jz (f64) @@ -485,16 +490,16 @@ AVXcode: 1 8e: JLE/JNG Jz (f64) 8f: JNLE/JG Jz (f64) # 0x0f 0x90-0x9f -90: SETO Eb -91: SETNO Eb -92: SETB/C/NAE Eb -93: SETAE/NB/NC Eb +90: SETO Eb | kmovw/q Vk,Wk | kmovb/d Vk,Wk (66) +91: SETNO Eb | kmovw/q Mv,Vk | kmovb/d Mv,Vk (66) +92: SETB/C/NAE Eb | kmovw Vk,Rv | kmovb Vk,Rv (66) | kmovq/d Vk,Rv (F2) +93: SETAE/NB/NC Eb | kmovw Gv,Uk | kmovb Gv,Uk (66) | kmovq/d Gv,Uk (F2) 94: SETE/Z Eb 95: SETNE/NZ Eb 96: SETBE/NA Eb 97: SETA/NBE Eb -98: SETS Eb -99: SETNS Eb +98: SETS Eb | kortestw/q Vk,Uk | kortestb/d Vk,Uk (66) +99: SETNS Eb | ktestw/q Vk,Uk | ktestb/d Vk,Uk (66) 9a: SETP/PE Eb 9b: SETNP/PO Eb 9c: SETL/NGE Eb @@ -564,11 +569,11 @@ d7: pmovmskb Gd,Nq | vpmovmskb Gd,Ux (66),(v1) d8: psubusb Pq,Qq | vpsubusb Vx,Hx,Wx (66),(v1) d9: psubusw Pq,Qq | vpsubusw Vx,Hx,Wx (66),(v1) da: pminub Pq,Qq | vpminub Vx,Hx,Wx (66),(v1) -db: pand Pq,Qq | vpand Vx,Hx,Wx (66),(v1) +db: pand Pq,Qq | vpand Vx,Hx,Wx (66),(v1) | vpandd/q Vx,Hx,Wx (66),(evo) dc: paddusb Pq,Qq | vpaddusb Vx,Hx,Wx (66),(v1) dd: paddusw Pq,Qq | vpaddusw Vx,Hx,Wx (66),(v1) de: pmaxub Pq,Qq | vpmaxub Vx,Hx,Wx (66),(v1) -df: pandn Pq,Qq | vpandn Vx,Hx,Wx (66),(v1) +df: pandn Pq,Qq | vpandn Vx,Hx,Wx (66),(v1) | vpandnd/q Vx,Hx,Wx (66),(evo) # 0x0f 0xe0-0xef e0: pavgb Pq,Qq | vpavgb Vx,Hx,Wx (66),(v1) e1: psraw Pq,Qq | vpsraw Vx,Hx,Wx (66),(v1) @@ -576,16 +581,16 @@ e2: psrad Pq,Qq | vpsrad Vx,Hx,Wx (66),(v1) e3: pavgw Pq,Qq | vpavgw Vx,Hx,Wx (66),(v1) e4: pmulhuw Pq,Qq | vpmulhuw Vx,Hx,Wx (66),(v1) e5: pmulhw Pq,Qq | vpmulhw Vx,Hx,Wx (66),(v1) -e6: vcvttpd2dq Vx,Wpd (66) | vcvtdq2pd Vx,Wdq (F3) | vcvtpd2dq Vx,Wpd (F2) +e6: vcvttpd2dq Vx,Wpd (66) | vcvtdq2pd Vx,Wdq (F3) | vcvtdq2pd/qq2pd Vx,Wdq (F3),(evo) | vcvtpd2dq Vx,Wpd (F2) e7: movntq Mq,Pq | vmovntdq Mx,Vx (66) e8: psubsb Pq,Qq | vpsubsb Vx,Hx,Wx (66),(v1) e9: psubsw Pq,Qq | vpsubsw Vx,Hx,Wx (66),(v1) ea: pminsw Pq,Qq | vpminsw Vx,Hx,Wx (66),(v1) -eb: por Pq,Qq | vpor Vx,Hx,Wx (66),(v1) +eb: por Pq,Qq | vpor Vx,Hx,Wx (66),(v1) | vpord/q Vx,Hx,Wx (66),(evo) ec: paddsb Pq,Qq | vpaddsb Vx,Hx,Wx (66),(v1) ed: paddsw Pq,Qq | vpaddsw Vx,Hx,Wx (66),(v1) ee: pmaxsw Pq,Qq | vpmaxsw Vx,Hx,Wx (66),(v1) -ef: pxor Pq,Qq | vpxor Vx,Hx,Wx (66),(v1) +ef: pxor Pq,Qq | vpxor Vx,Hx,Wx (66),(v1) | vpxord/q Vx,Hx,Wx (66),(evo) # 0x0f 0xf0-0xff f0: vlddqu Vx,Mx (F2) f1: psllw Pq,Qq | vpsllw Vx,Hx,Wx (66),(v1) @@ -626,81 +631,105 @@ AVXcode: 2 0e: vtestps Vx,Wx (66),(v) 0f: vtestpd Vx,Wx (66),(v) # 0x0f 0x38 0x10-0x1f -10: pblendvb Vdq,Wdq (66) -11: -12: -13: vcvtph2ps Vx,Wx,Ib (66),(v) -14: blendvps Vdq,Wdq (66) -15: blendvpd Vdq,Wdq (66) -16: vpermps Vqq,Hqq,Wqq (66),(v) +10: pblendvb Vdq,Wdq (66) | vpsrlvw Vx,Hx,Wx (66),(evo) | vpmovuswb Wx,Vx (F3),(ev) +11: vpmovusdb Wx,Vd (F3),(ev) | vpsravw Vx,Hx,Wx (66),(ev) +12: vpmovusqb Wx,Vq (F3),(ev) | vpsllvw Vx,Hx,Wx (66),(ev) +13: vcvtph2ps Vx,Wx (66),(v) | vpmovusdw Wx,Vd (F3),(ev) +14: blendvps Vdq,Wdq (66) | vpmovusqw Wx,Vq (F3),(ev) | vprorvd/q Vx,Hx,Wx (66),(evo) +15: blendvpd Vdq,Wdq (66) | vpmovusqd Wx,Vq (F3),(ev) | vprolvd/q Vx,Hx,Wx (66),(evo) +16: vpermps Vqq,Hqq,Wqq (66),(v) | vpermps/d Vqq,Hqq,Wqq (66),(evo) 17: vptest Vx,Wx (66) 18: vbroadcastss Vx,Wd (66),(v) -19: vbroadcastsd Vqq,Wq (66),(v) -1a: vbroadcastf128 Vqq,Mdq (66),(v) -1b: +19: vbroadcastsd Vqq,Wq (66),(v) | vbroadcastf32x2 Vqq,Wq (66),(evo) +1a: vbroadcastf128 Vqq,Mdq (66),(v) | vbroadcastf32x4/64x2 Vqq,Wq (66),(evo) +1b: vbroadcastf32x8/64x4 Vqq,Mdq (66),(ev) 1c: pabsb Pq,Qq | vpabsb Vx,Wx (66),(v1) 1d: pabsw Pq,Qq | vpabsw Vx,Wx (66),(v1) 1e: pabsd Pq,Qq | vpabsd Vx,Wx (66),(v1) -1f: +1f: vpabsq Vx,Wx (66),(ev) # 0x0f 0x38 0x20-0x2f -20: vpmovsxbw Vx,Ux/Mq (66),(v1) -21: vpmovsxbd Vx,Ux/Md (66),(v1) -22: vpmovsxbq Vx,Ux/Mw (66),(v1) -23: vpmovsxwd Vx,Ux/Mq (66),(v1) -24: vpmovsxwq Vx,Ux/Md (66),(v1) -25: vpmovsxdq Vx,Ux/Mq (66),(v1) -26: -27: -28: vpmuldq Vx,Hx,Wx (66),(v1) -29: vpcmpeqq Vx,Hx,Wx (66),(v1) -2a: vmovntdqa Vx,Mx (66),(v1) +20: vpmovsxbw Vx,Ux/Mq (66),(v1) | vpmovswb Wx,Vx (F3),(ev) +21: vpmovsxbd Vx,Ux/Md (66),(v1) | vpmovsdb Wx,Vd (F3),(ev) +22: vpmovsxbq Vx,Ux/Mw (66),(v1) | vpmovsqb Wx,Vq (F3),(ev) +23: vpmovsxwd Vx,Ux/Mq (66),(v1) | vpmovsdw Wx,Vd (F3),(ev) +24: vpmovsxwq Vx,Ux/Md (66),(v1) | vpmovsqw Wx,Vq (F3),(ev) +25: vpmovsxdq Vx,Ux/Mq (66),(v1) | vpmovsqd Wx,Vq (F3),(ev) +26: vptestmb/w Vk,Hx,Wx (66),(ev) | vptestnmb/w Vk,Hx,Wx (F3),(ev) +27: vptestmd/q Vk,Hx,Wx (66),(ev) | vptestnmd/q Vk,Hx,Wx (F3),(ev) +28: vpmuldq Vx,Hx,Wx (66),(v1) | vpmovm2b/w Vx,Uk (F3),(ev) +29: vpcmpeqq Vx,Hx,Wx (66),(v1) | vpmovb2m/w2m Vk,Ux (F3),(ev) +2a: vmovntdqa Vx,Mx (66),(v1) | vpbroadcastmb2q Vx,Uk (F3),(ev) 2b: vpackusdw Vx,Hx,Wx (66),(v1) -2c: vmaskmovps Vx,Hx,Mx (66),(v) -2d: vmaskmovpd Vx,Hx,Mx (66),(v) +2c: vmaskmovps Vx,Hx,Mx (66),(v) | vscalefps/d Vx,Hx,Wx (66),(evo) +2d: vmaskmovpd Vx,Hx,Mx (66),(v) | vscalefss/d Vx,Hx,Wx (66),(evo) 2e: vmaskmovps Mx,Hx,Vx (66),(v) 2f: vmaskmovpd Mx,Hx,Vx (66),(v) # 0x0f 0x38 0x30-0x3f -30: vpmovzxbw Vx,Ux/Mq (66),(v1) -31: vpmovzxbd Vx,Ux/Md (66),(v1) -32: vpmovzxbq Vx,Ux/Mw (66),(v1) -33: vpmovzxwd Vx,Ux/Mq (66),(v1) -34: vpmovzxwq Vx,Ux/Md (66),(v1) -35: vpmovzxdq Vx,Ux/Mq (66),(v1) -36: vpermd Vqq,Hqq,Wqq (66),(v) +30: vpmovzxbw Vx,Ux/Mq (66),(v1) | vpmovwb Wx,Vx (F3),(ev) +31: vpmovzxbd Vx,Ux/Md (66),(v1) | vpmovdb Wx,Vd (F3),(ev) +32: vpmovzxbq Vx,Ux/Mw (66),(v1) | vpmovqb Wx,Vq (F3),(ev) +33: vpmovzxwd Vx,Ux/Mq (66),(v1) | vpmovdw Wx,Vd (F3),(ev) +34: vpmovzxwq Vx,Ux/Md (66),(v1) | vpmovqw Wx,Vq (F3),(ev) +35: vpmovzxdq Vx,Ux/Mq (66),(v1) | vpmovqd Wx,Vq (F3),(ev) +36: vpermd Vqq,Hqq,Wqq (66),(v) | vpermd/q Vqq,Hqq,Wqq (66),(evo) 37: vpcmpgtq Vx,Hx,Wx (66),(v1) -38: vpminsb Vx,Hx,Wx (66),(v1) -39: vpminsd Vx,Hx,Wx (66),(v1) -3a: vpminuw Vx,Hx,Wx (66),(v1) -3b: vpminud Vx,Hx,Wx (66),(v1) +38: vpminsb Vx,Hx,Wx (66),(v1) | vpmovm2d/q Vx,Uk (F3),(ev) +39: vpminsd Vx,Hx,Wx (66),(v1) | vpminsd/q Vx,Hx,Wx (66),(evo) | vpmovd2m/q2m Vk,Ux (F3),(ev) +3a: vpminuw Vx,Hx,Wx (66),(v1) | vpbroadcastmw2d Vx,Uk (F3),(ev) +3b: vpminud Vx,Hx,Wx (66),(v1) | vpminud/q Vx,Hx,Wx (66),(evo) 3c: vpmaxsb Vx,Hx,Wx (66),(v1) -3d: vpmaxsd Vx,Hx,Wx (66),(v1) +3d: vpmaxsd Vx,Hx,Wx (66),(v1) | vpmaxsd/q Vx,Hx,Wx (66),(evo) 3e: vpmaxuw Vx,Hx,Wx (66),(v1) -3f: vpmaxud Vx,Hx,Wx (66),(v1) +3f: vpmaxud Vx,Hx,Wx (66),(v1) | vpmaxud/q Vx,Hx,Wx (66),(evo) # 0x0f 0x38 0x40-0x8f -40: vpmulld Vx,Hx,Wx (66),(v1) +40: vpmulld Vx,Hx,Wx (66),(v1) | vpmulld/q Vx,Hx,Wx (66),(evo) 41: vphminposuw Vdq,Wdq (66),(v1) -42: -43: -44: +42: vgetexpps/d Vx,Wx (66),(ev) +43: vgetexpss/d Vx,Hx,Wx (66),(ev) +44: vplzcntd/q Vx,Wx (66),(ev) 45: vpsrlvd/q Vx,Hx,Wx (66),(v) -46: vpsravd Vx,Hx,Wx (66),(v) +46: vpsravd Vx,Hx,Wx (66),(v) | vpsravd/q Vx,Hx,Wx (66),(evo) 47: vpsllvd/q Vx,Hx,Wx (66),(v) -# Skip 0x48-0x57 +# Skip 0x48-0x4b +4c: vrcp14ps/d Vpd,Wpd (66),(ev) +4d: vrcp14ss/d Vsd,Hpd,Wsd (66),(ev) +4e: vrsqrt14ps/d Vpd,Wpd (66),(ev) +4f: vrsqrt14ss/d Vsd,Hsd,Wsd (66),(ev) +# Skip 0x50-0x57 58: vpbroadcastd Vx,Wx (66),(v) -59: vpbroadcastq Vx,Wx (66),(v) -5a: vbroadcasti128 Vqq,Mdq (66),(v) -# Skip 0x5b-0x77 +59: vpbroadcastq Vx,Wx (66),(v) | vbroadcasti32x2 Vx,Wx (66),(evo) +5a: vbroadcasti128 Vqq,Mdq (66),(v) | vbroadcasti32x4/64x2 Vx,Wx (66),(evo) +5b: vbroadcasti32x8/64x4 Vqq,Mdq (66),(ev) +# Skip 0x5c-0x63 +64: vpblendmd/q Vx,Hx,Wx (66),(ev) +65: vblendmps/d Vx,Hx,Wx (66),(ev) +66: vpblendmb/w Vx,Hx,Wx (66),(ev) +# Skip 0x67-0x74 +75: vpermi2b/w Vx,Hx,Wx (66),(ev) +76: vpermi2d/q Vx,Hx,Wx (66),(ev) +77: vpermi2ps/d Vx,Hx,Wx (66),(ev) 78: vpbroadcastb Vx,Wx (66),(v) 79: vpbroadcastw Vx,Wx (66),(v) -# Skip 0x7a-0x7f +7a: vpbroadcastb Vx,Rv (66),(ev) +7b: vpbroadcastw Vx,Rv (66),(ev) +7c: vpbroadcastd/q Vx,Rv (66),(ev) +7d: vpermt2b/w Vx,Hx,Wx (66),(ev) +7e: vpermt2d/q Vx,Hx,Wx (66),(ev) +7f: vpermt2ps/d Vx,Hx,Wx (66),(ev) 80: INVEPT Gy,Mdq (66) 81: INVPID Gy,Mdq (66) 82: INVPCID Gy,Mdq (66) +83: vpmultishiftqb Vx,Hx,Wx (66),(ev) +88: vexpandps/d Vpd,Wpd (66),(ev) +89: vpexpandd/q Vx,Wx (66),(ev) +8a: vcompressps/d Wx,Vx (66),(ev) +8b: vpcompressd/q Wx,Vx (66),(ev) 8c: vpmaskmovd/q Vx,Hx,Mx (66),(v) +8d: vpermb/w Vx,Hx,Wx (66),(ev) 8e: vpmaskmovd/q Mx,Vx,Hx (66),(v) # 0x0f 0x38 0x90-0xbf (FMA) -90: vgatherdd/q Vx,Hx,Wx (66),(v) -91: vgatherqd/q Vx,Hx,Wx (66),(v) +90: vgatherdd/q Vx,Hx,Wx (66),(v) | vpgatherdd/q Vx,Wx (66),(evo) +91: vgatherqd/q Vx,Hx,Wx (66),(v) | vpgatherqd/q Vx,Wx (66),(evo) 92: vgatherdps/d Vx,Hx,Wx (66),(v) 93: vgatherqps/d Vx,Hx,Wx (66),(v) 94: @@ -715,6 +744,10 @@ AVXcode: 2 9d: vfnmadd132ss/d Vx,Hx,Wx (66),(v),(v1) 9e: vfnmsub132ps/d Vx,Hx,Wx (66),(v) 9f: vfnmsub132ss/d Vx,Hx,Wx (66),(v),(v1) +a0: vpscatterdd/q Wx,Vx (66),(ev) +a1: vpscatterqd/q Wx,Vx (66),(ev) +a2: vscatterdps/d Wx,Vx (66),(ev) +a3: vscatterqps/d Wx,Vx (66),(ev) a6: vfmaddsub213ps/d Vx,Hx,Wx (66),(v) a7: vfmsubadd213ps/d Vx,Hx,Wx (66),(v) a8: vfmadd213ps/d Vx,Hx,Wx (66),(v) @@ -725,6 +758,8 @@ ac: vfnmadd213ps/d Vx,Hx,Wx (66),(v) ad: vfnmadd213ss/d Vx,Hx,Wx (66),(v),(v1) ae: vfnmsub213ps/d Vx,Hx,Wx (66),(v) af: vfnmsub213ss/d Vx,Hx,Wx (66),(v),(v1) +b4: vpmadd52luq Vx,Hx,Wx (66),(ev) +b5: vpmadd52huq Vx,Hx,Wx (66),(ev) b6: vfmaddsub231ps/d Vx,Hx,Wx (66),(v) b7: vfmsubadd231ps/d Vx,Hx,Wx (66),(v) b8: vfmadd231ps/d Vx,Hx,Wx (66),(v) @@ -736,12 +771,15 @@ bd: vfnmadd231ss/d Vx,Hx,Wx (66),(v),(v1) be: vfnmsub231ps/d Vx,Hx,Wx (66),(v) bf: vfnmsub231ss/d Vx,Hx,Wx (66),(v),(v1) # 0x0f 0x38 0xc0-0xff -c8: sha1nexte Vdq,Wdq +c4: vpconflictd/q Vx,Wx (66),(ev) +c6: Grp18 (1A) +c7: Grp19 (1A) +c8: sha1nexte Vdq,Wdq | vexp2ps/d Vx,Wx (66),(ev) c9: sha1msg1 Vdq,Wdq -ca: sha1msg2 Vdq,Wdq -cb: sha256rnds2 Vdq,Wdq -cc: sha256msg1 Vdq,Wdq -cd: sha256msg2 Vdq,Wdq +ca: sha1msg2 Vdq,Wdq | vrcp28ps/d Vx,Wx (66),(ev) +cb: sha256rnds2 Vdq,Wdq | vrcp28ss/d Vx,Hx,Wx (66),(ev) +cc: sha256msg1 Vdq,Wdq | vrsqrt28ps/d Vx,Wx (66),(ev) +cd: sha256msg2 Vdq,Wdq | vrsqrt28ss/d Vx,Hx,Wx (66),(ev) db: VAESIMC Vdq,Wdq (66),(v1) dc: VAESENC Vdq,Hdq,Wdq (66),(v1) dd: VAESENCLAST Vdq,Hdq,Wdq (66),(v1) @@ -763,15 +801,15 @@ AVXcode: 3 00: vpermq Vqq,Wqq,Ib (66),(v) 01: vpermpd Vqq,Wqq,Ib (66),(v) 02: vpblendd Vx,Hx,Wx,Ib (66),(v) -03: +03: valignd/q Vx,Hx,Wx,Ib (66),(ev) 04: vpermilps Vx,Wx,Ib (66),(v) 05: vpermilpd Vx,Wx,Ib (66),(v) 06: vperm2f128 Vqq,Hqq,Wqq,Ib (66),(v) 07: -08: vroundps Vx,Wx,Ib (66) -09: vroundpd Vx,Wx,Ib (66) -0a: vroundss Vss,Wss,Ib (66),(v1) -0b: vroundsd Vsd,Wsd,Ib (66),(v1) +08: vroundps Vx,Wx,Ib (66) | vrndscaleps Vx,Wx,Ib (66),(evo) +09: vroundpd Vx,Wx,Ib (66) | vrndscalepd Vx,Wx,Ib (66),(evo) +0a: vroundss Vss,Wss,Ib (66),(v1) | vrndscaless Vx,Hx,Wx,Ib (66),(evo) +0b: vroundsd Vsd,Wsd,Ib (66),(v1) | vrndscalesd Vx,Hx,Wx,Ib (66),(evo) 0c: vblendps Vx,Hx,Wx,Ib (66) 0d: vblendpd Vx,Hx,Wx,Ib (66) 0e: vpblendw Vx,Hx,Wx,Ib (66),(v1) @@ -780,26 +818,51 @@ AVXcode: 3 15: vpextrw Rd/Mw,Vdq,Ib (66),(v1) 16: vpextrd/q Ey,Vdq,Ib (66),(v1) 17: vextractps Ed,Vdq,Ib (66),(v1) -18: vinsertf128 Vqq,Hqq,Wqq,Ib (66),(v) -19: vextractf128 Wdq,Vqq,Ib (66),(v) +18: vinsertf128 Vqq,Hqq,Wqq,Ib (66),(v) | vinsertf32x4/64x2 Vqq,Hqq,Wqq,Ib (66),(evo) +19: vextractf128 Wdq,Vqq,Ib (66),(v) | vextractf32x4/64x2 Wdq,Vqq,Ib (66),(evo) +1a: vinsertf32x8/64x4 Vqq,Hqq,Wqq,Ib (66),(ev) +1b: vextractf32x8/64x4 Wdq,Vqq,Ib (66),(ev) 1d: vcvtps2ph Wx,Vx,Ib (66),(v) +1e: vpcmpud/q Vk,Hd,Wd,Ib (66),(ev) +1f: vpcmpd/q Vk,Hd,Wd,Ib (66),(ev) 20: vpinsrb Vdq,Hdq,Ry/Mb,Ib (66),(v1) 21: vinsertps Vdq,Hdq,Udq/Md,Ib (66),(v1) 22: vpinsrd/q Vdq,Hdq,Ey,Ib (66),(v1) -38: vinserti128 Vqq,Hqq,Wqq,Ib (66),(v) -39: vextracti128 Wdq,Vqq,Ib (66),(v) +23: vshuff32x4/64x2 Vx,Hx,Wx,Ib (66),(ev) +25: vpternlogd/q Vx,Hx,Wx,Ib (66),(ev) +26: vgetmantps/d Vx,Wx,Ib (66),(ev) +27: vgetmantss/d Vx,Hx,Wx,Ib (66),(ev) +30: kshiftrb/w Vk,Uk,Ib (66),(v) +31: kshiftrd/q Vk,Uk,Ib (66),(v) +32: kshiftlb/w Vk,Uk,Ib (66),(v) +33: kshiftld/q Vk,Uk,Ib (66),(v) +38: vinserti128 Vqq,Hqq,Wqq,Ib (66),(v) | vinserti32x4/64x2 Vqq,Hqq,Wqq,Ib (66),(evo) +39: vextracti128 Wdq,Vqq,Ib (66),(v) | vextracti32x4/64x2 Wdq,Vqq,Ib (66),(evo) +3a: vinserti32x8/64x4 Vqq,Hqq,Wqq,Ib (66),(ev) +3b: vextracti32x8/64x4 Wdq,Vqq,Ib (66),(ev) +3e: vpcmpub/w Vk,Hk,Wx,Ib (66),(ev) +3f: vpcmpb/w Vk,Hk,Wx,Ib (66),(ev) 40: vdpps Vx,Hx,Wx,Ib (66) 41: vdppd Vdq,Hdq,Wdq,Ib (66),(v1) -42: vmpsadbw Vx,Hx,Wx,Ib (66),(v1) +42: vmpsadbw Vx,Hx,Wx,Ib (66),(v1) | vdbpsadbw Vx,Hx,Wx,Ib (66),(evo) +43: vshufi32x4/64x2 Vx,Hx,Wx,Ib (66),(ev) 44: vpclmulqdq Vdq,Hdq,Wdq,Ib (66),(v1) 46: vperm2i128 Vqq,Hqq,Wqq,Ib (66),(v) 4a: vblendvps Vx,Hx,Wx,Lx (66),(v) 4b: vblendvpd Vx,Hx,Wx,Lx (66),(v) 4c: vpblendvb Vx,Hx,Wx,Lx (66),(v1) +50: vrangeps/d Vx,Hx,Wx,Ib (66),(ev) +51: vrangess/d Vx,Hx,Wx,Ib (66),(ev) +54: vfixupimmps/d Vx,Hx,Wx,Ib (66),(ev) +55: vfixupimmss/d Vx,Hx,Wx,Ib (66),(ev) +56: vreduceps/d Vx,Wx,Ib (66),(ev) +57: vreducess/d Vx,Hx,Wx,Ib (66),(ev) 60: vpcmpestrm Vdq,Wdq,Ib (66),(v1) 61: vpcmpestri Vdq,Wdq,Ib (66),(v1) 62: vpcmpistrm Vdq,Wdq,Ib (66),(v1) 63: vpcmpistri Vdq,Wdq,Ib (66),(v1) +66: vfpclassps/d Vk,Wx,Ib (66),(ev) +67: vfpclassss/d Vk,Wx,Ib (66),(ev) cc: sha1rnds4 Vdq,Wdq,Ib df: VAESKEYGEN Vdq,Wdq,Ib (66),(v1) f0: RORX Gy,Ey,Ib (F2),(v) @@ -927,8 +990,10 @@ GrpTable: Grp12 EndTable GrpTable: Grp13 +0: vprord/q Hx,Wx,Ib (66),(ev) +1: vprold/q Hx,Wx,Ib (66),(ev) 2: psrld Nq,Ib (11B) | vpsrld Hx,Ux,Ib (66),(11B),(v1) -4: psrad Nq,Ib (11B) | vpsrad Hx,Ux,Ib (66),(11B),(v1) +4: psrad Nq,Ib (11B) | vpsrad Hx,Ux,Ib (66),(11B),(v1) | vpsrad/q Hx,Ux,Ib (66),(evo) 6: pslld Nq,Ib (11B) | vpslld Hx,Ux,Ib (66),(11B),(v1) EndTable @@ -963,6 +1028,20 @@ GrpTable: Grp17 3: BLSI By,Ey (v) EndTable +GrpTable: Grp18 +1: vgatherpf0dps/d Wx (66),(ev) +2: vgatherpf1dps/d Wx (66),(ev) +5: vscatterpf0dps/d Wx (66),(ev) +6: vscatterpf1dps/d Wx (66),(ev) +EndTable + +GrpTable: Grp19 +1: vgatherpf0qps/d Wx (66),(ev) +2: vgatherpf1qps/d Wx (66),(ev) +5: vscatterpf0qps/d Wx (66),(ev) +6: vscatterpf1qps/d Wx (66),(ev) +EndTable + # AMD's Prefetch Group GrpTable: GrpP 0: PREFETCH diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index 137196990012..551ff6f640be 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -39,6 +39,7 @@ #include "auxtrace.h" #include "tsc.h" #include "intel-pt.h" +#include "config.h" #include "intel-pt-decoder/intel-pt-log.h" #include "intel-pt-decoder/intel-pt-decoder.h" @@ -556,7 +557,7 @@ static bool intel_pt_exclude_kernel(struct intel_pt *pt) { struct perf_evsel *evsel; - evlist__for_each(pt->session->evlist, evsel) { + evlist__for_each_entry(pt->session->evlist, evsel) { if (intel_pt_get_config(pt, &evsel->attr, NULL) && !evsel->attr.exclude_kernel) return false; @@ -572,7 +573,7 @@ static bool intel_pt_return_compression(struct intel_pt *pt) if (!pt->noretcomp_bit) return true; - evlist__for_each(pt->session->evlist, evsel) { + evlist__for_each_entry(pt->session->evlist, evsel) { if (intel_pt_get_config(pt, &evsel->attr, &config) && (config & pt->noretcomp_bit)) return false; @@ -592,7 +593,7 @@ static unsigned int intel_pt_mtc_period(struct intel_pt *pt) for (shift = 0, config = pt->mtc_freq_bits; !(config & 1); shift++) config >>= 1; - evlist__for_each(pt->session->evlist, evsel) { + evlist__for_each_entry(pt->session->evlist, evsel) { if (intel_pt_get_config(pt, &evsel->attr, &config)) return (config & pt->mtc_freq_bits) >> shift; } @@ -608,7 +609,7 @@ static bool intel_pt_timeless_decoding(struct intel_pt *pt) if (!pt->tsc_bit || !pt->cap_user_time_zero) return true; - evlist__for_each(pt->session->evlist, evsel) { + evlist__for_each_entry(pt->session->evlist, evsel) { if (!(evsel->attr.sample_type & PERF_SAMPLE_TIME)) return true; if (intel_pt_get_config(pt, &evsel->attr, &config)) { @@ -625,7 +626,7 @@ static bool intel_pt_tracing_kernel(struct intel_pt *pt) { struct perf_evsel *evsel; - evlist__for_each(pt->session->evlist, evsel) { + evlist__for_each_entry(pt->session->evlist, evsel) { if (intel_pt_get_config(pt, &evsel->attr, NULL) && !evsel->attr.exclude_kernel) return true; @@ -642,7 +643,7 @@ static bool intel_pt_have_tsc(struct intel_pt *pt) if (!pt->tsc_bit) return false; - evlist__for_each(pt->session->evlist, evsel) { + evlist__for_each_entry(pt->session->evlist, evsel) { if (intel_pt_get_config(pt, &evsel->attr, &config)) { if (config & pt->tsc_bit) have_tsc = true; @@ -1233,7 +1234,7 @@ static int intel_pt_sample(struct intel_pt_queue *ptq) if (!(state->type & INTEL_PT_BRANCH)) return 0; - if (pt->synth_opts.callchain) + if (pt->synth_opts.callchain || pt->synth_opts.thread_stack) thread_stack__event(ptq->thread, ptq->flags, state->from_ip, state->to_ip, ptq->insn_len, state->trace_nr); @@ -1850,7 +1851,7 @@ static int intel_pt_synth_events(struct intel_pt *pt, u64 id; int err; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (evsel->attr.type == pt->pmu_type && evsel->ids) { found = true; break; @@ -1930,7 +1931,7 @@ static int intel_pt_synth_events(struct intel_pt *pt, pt->sample_transactions = true; pt->transactions_id = id; id += 1; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (evsel->id && evsel->id[0] == pt->transactions_id) { if (evsel->name) zfree(&evsel->name); @@ -1968,7 +1969,7 @@ static struct perf_evsel *intel_pt_find_sched_switch(struct perf_evlist *evlist) { struct perf_evsel *evsel; - evlist__for_each_reverse(evlist, evsel) { + evlist__for_each_entry_reverse(evlist, evsel) { const char *name = perf_evsel__name(evsel); if (!strcmp(name, "sched:sched_switch")) @@ -1982,7 +1983,7 @@ static bool intel_pt_find_switch(struct perf_evlist *evlist) { struct perf_evsel *evsel; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (evsel->attr.context_switch) return true; } @@ -2136,6 +2137,9 @@ int intel_pt_process_auxtrace_info(union perf_event *event, pt->synth_opts.branches = false; pt->synth_opts.callchain = true; } + if (session->itrace_synth_opts) + pt->synth_opts.thread_stack = + session->itrace_synth_opts->thread_stack; } if (pt->synth_opts.log) diff --git a/tools/perf/util/intlist.h b/tools/perf/util/intlist.h index aa6877d36858..020b9ca1b47e 100644 --- a/tools/perf/util/intlist.h +++ b/tools/perf/util/intlist.h @@ -57,21 +57,21 @@ static inline struct int_node *intlist__next(struct int_node *in) } /** - * intlist_for_each - iterate over a intlist + * intlist__for_each_entry - iterate over a intlist * @pos: the &struct int_node to use as a loop cursor. * @ilist: the &struct intlist for loop. */ -#define intlist__for_each(pos, ilist) \ +#define intlist__for_each_entry(pos, ilist) \ for (pos = intlist__first(ilist); pos; pos = intlist__next(pos)) /** - * intlist_for_each_safe - iterate over a intlist safe against removal of + * intlist__for_each_entry_safe - iterate over a intlist safe against removal of * int_node * @pos: the &struct int_node to use as a loop cursor. * @n: another &struct int_node to use as temporary storage. * @ilist: the &struct intlist for loop. */ -#define intlist__for_each_safe(pos, n, ilist) \ +#define intlist__for_each_entry_safe(pos, n, ilist) \ for (pos = intlist__first(ilist), n = intlist__next(pos); pos;\ pos = n, n = intlist__next(n)) #endif /* __PERF_INTLIST_H */ diff --git a/tools/perf/util/jitdump.c b/tools/perf/util/jitdump.c index 86afe9618bb0..9f3305f6b6d5 100644 --- a/tools/perf/util/jitdump.c +++ b/tools/perf/util/jitdump.c @@ -108,7 +108,7 @@ jit_validate_events(struct perf_session *session) /* * check that all events use CLOCK_MONOTONIC */ - evlist__for_each(session->evlist, evsel) { + evlist__for_each_entry(session->evlist, evsel) { if (evsel->attr.use_clockid == 0 || evsel->attr.clockid != CLOCK_MONOTONIC) return -1; } diff --git a/tools/perf/util/levenshtein.c b/tools/perf/util/levenshtein.c index e521d1516df6..f616e4f65b67 100644 --- a/tools/perf/util/levenshtein.c +++ b/tools/perf/util/levenshtein.c @@ -1,5 +1,7 @@ -#include "cache.h" #include "levenshtein.h" +#include <errno.h> +#include <stdlib.h> +#include <string.h> /* * This function implements the Damerau-Levenshtein algorithm to diff --git a/tools/perf/util/libunwind/arm64.c b/tools/perf/util/libunwind/arm64.c new file mode 100644 index 000000000000..6559bc586643 --- /dev/null +++ b/tools/perf/util/libunwind/arm64.c @@ -0,0 +1,40 @@ +/* + * This file setups defines to compile arch specific binary from the + * generic one. + * + * The function 'LIBUNWIND__ARCH_REG_ID' name is set according to arch + * name and the defination of this function is included directly from + * 'arch/arm64/util/unwind-libunwind.c', to make sure that this function + * is defined no matter what arch the host is. + * + * Finally, the arch specific unwind methods are exported which will + * be assigned to each arm64 thread. + */ + +#define REMOTE_UNWIND_LIBUNWIND + +/* Define arch specific functions & regs for libunwind, should be + * defined before including "unwind.h" + */ +#define LIBUNWIND__ARCH_REG_ID(regnum) libunwind__arm64_reg_id(regnum) +#define LIBUNWIND__ARCH_REG_IP PERF_REG_ARM64_PC +#define LIBUNWIND__ARCH_REG_SP PERF_REG_ARM64_SP + +#include "unwind.h" +#include "debug.h" +#include "libunwind-aarch64.h" +#include <../../../../arch/arm64/include/uapi/asm/perf_regs.h> +#include "../../arch/arm64/util/unwind-libunwind.c" + +/* NO_LIBUNWIND_DEBUG_FRAME is a feature flag for local libunwind, + * assign NO_LIBUNWIND_DEBUG_FRAME_AARCH64 to it for compiling arm64 + * unwind methods. + */ +#undef NO_LIBUNWIND_DEBUG_FRAME +#ifdef NO_LIBUNWIND_DEBUG_FRAME_AARCH64 +#define NO_LIBUNWIND_DEBUG_FRAME +#endif +#include "util/unwind-libunwind-local.c" + +struct unwind_libunwind_ops * +arm64_unwind_libunwind_ops = &_unwind_libunwind_ops; diff --git a/tools/perf/util/libunwind/x86_32.c b/tools/perf/util/libunwind/x86_32.c new file mode 100644 index 000000000000..957ffff72428 --- /dev/null +++ b/tools/perf/util/libunwind/x86_32.c @@ -0,0 +1,43 @@ +/* + * This file setups defines to compile arch specific binary from the + * generic one. + * + * The function 'LIBUNWIND__ARCH_REG_ID' name is set according to arch + * name and the defination of this function is included directly from + * 'arch/x86/util/unwind-libunwind.c', to make sure that this function + * is defined no matter what arch the host is. + * + * Finally, the arch specific unwind methods are exported which will + * be assigned to each x86 thread. + */ + +#define REMOTE_UNWIND_LIBUNWIND + +/* Define arch specific functions & regs for libunwind, should be + * defined before including "unwind.h" + */ +#define LIBUNWIND__ARCH_REG_ID(regnum) libunwind__x86_reg_id(regnum) +#define LIBUNWIND__ARCH_REG_IP PERF_REG_X86_IP +#define LIBUNWIND__ARCH_REG_SP PERF_REG_X86_SP + +#include "unwind.h" +#include "debug.h" +#include "libunwind-x86.h" +#include <../../../../arch/x86/include/uapi/asm/perf_regs.h> + +/* HAVE_ARCH_X86_64_SUPPORT is used in'arch/x86/util/unwind-libunwind.c' + * for x86_32, we undef it to compile code for x86_32 only. + */ +#undef HAVE_ARCH_X86_64_SUPPORT +#include "../../arch/x86/util/unwind-libunwind.c" + +/* Explicitly define NO_LIBUNWIND_DEBUG_FRAME, because non-ARM has no + * dwarf_find_debug_frame() function. + */ +#ifndef NO_LIBUNWIND_DEBUG_FRAME +#define NO_LIBUNWIND_DEBUG_FRAME +#endif +#include "util/unwind-libunwind-local.c" + +struct unwind_libunwind_ops * +x86_32_unwind_libunwind_ops = &_unwind_libunwind_ops; diff --git a/tools/perf/util/llvm-utils.c b/tools/perf/util/llvm-utils.c index 33071d6159bc..bf7216b8731d 100644 --- a/tools/perf/util/llvm-utils.c +++ b/tools/perf/util/llvm-utils.c @@ -3,11 +3,14 @@ * Copyright (C) 2015, Huawei Inc. */ +#include <errno.h> #include <limits.h> #include <stdio.h> #include <stdlib.h> #include "debug.h" #include "llvm-utils.h" +#include "config.h" +#include "util.h" #define CLANG_BPF_CMD_DEFAULT_TEMPLATE \ "$CLANG_EXEC -D__KERNEL__ -D__NR_CPUS__=$NR_CPUS "\ @@ -42,6 +45,8 @@ int perf_llvm_config(const char *var, const char *value) llvm_param.kbuild_dir = strdup(value); else if (!strcmp(var, "kbuild-opts")) llvm_param.kbuild_opts = strdup(value); + else if (!strcmp(var, "dump-obj")) + llvm_param.dump_obj = !!perf_config_bool(var, value); else return -1; llvm_param.user_set_param = true; @@ -103,7 +108,7 @@ read_from_pipe(const char *cmd, void **p_buf, size_t *p_read_sz) file = popen(cmd, "r"); if (!file) { pr_err("ERROR: unable to popen cmd: %s\n", - strerror_r(errno, serr, sizeof(serr))); + str_error_r(errno, serr, sizeof(serr))); return -EINVAL; } @@ -137,7 +142,7 @@ read_from_pipe(const char *cmd, void **p_buf, size_t *p_read_sz) if (ferror(file)) { pr_err("ERROR: error occurred when reading from pipe: %s\n", - strerror_r(errno, serr, sizeof(serr))); + str_error_r(errno, serr, sizeof(serr))); err = -EIO; goto errout; } @@ -326,6 +331,42 @@ get_kbuild_opts(char **kbuild_dir, char **kbuild_include_opts) pr_debug("include option is set to %s\n", *kbuild_include_opts); } +static void +dump_obj(const char *path, void *obj_buf, size_t size) +{ + char *obj_path = strdup(path); + FILE *fp; + char *p; + + if (!obj_path) { + pr_warning("WARNING: No enough memory, skip object dumping\n"); + return; + } + + p = strrchr(obj_path, '.'); + if (!p || (strcmp(p, ".c") != 0)) { + pr_warning("WARNING: invalid llvm source path: '%s', skip object dumping\n", + obj_path); + goto out; + } + + p[1] = 'o'; + fp = fopen(obj_path, "wb"); + if (!fp) { + pr_warning("WARNING: failed to open '%s': %s, skip object dumping\n", + obj_path, strerror(errno)); + goto out; + } + + pr_info("LLVM: dumping %s\n", obj_path); + if (fwrite(obj_buf, size, 1, fp) != 1) + pr_warning("WARNING: failed to write to file '%s': %s, skip object dumping\n", + obj_path, strerror(errno)); + fclose(fp); +out: + free(obj_path); +} + int llvm__compile_bpf(const char *path, void **p_obj_buf, size_t *p_obj_buf_sz) { @@ -343,7 +384,7 @@ int llvm__compile_bpf(const char *path, void **p_obj_buf, if (path[0] != '-' && realpath(path, abspath) == NULL) { err = errno; pr_err("ERROR: problems with path %s: %s\n", - path, strerror_r(err, serr, sizeof(serr))); + path, str_error_r(err, serr, sizeof(serr))); return -err; } @@ -371,7 +412,7 @@ int llvm__compile_bpf(const char *path, void **p_obj_buf, if (nr_cpus_avail <= 0) { pr_err( "WARNING:\tunable to get available CPUs in this system: %s\n" -" \tUse 128 instead.\n", strerror_r(errno, serr, sizeof(serr))); +" \tUse 128 instead.\n", str_error_r(errno, serr, sizeof(serr))); nr_cpus_avail = 128; } snprintf(nr_cpus_avail_str, sizeof(nr_cpus_avail_str), "%d", @@ -411,6 +452,10 @@ int llvm__compile_bpf(const char *path, void **p_obj_buf, free(kbuild_dir); free(kbuild_include_opts); + + if (llvm_param.dump_obj) + dump_obj(path, obj_buf, obj_buf_sz); + if (!p_obj_buf) free(obj_buf); else diff --git a/tools/perf/util/llvm-utils.h b/tools/perf/util/llvm-utils.h index 23b9a743fe72..9f501cef06a1 100644 --- a/tools/perf/util/llvm-utils.h +++ b/tools/perf/util/llvm-utils.h @@ -30,6 +30,11 @@ struct llvm_param { */ const char *kbuild_opts; /* + * Default is false. If set to true, write compiling result + * to object file. + */ + bool dump_obj; + /* * Default is false. If one of the above fields is set by user * explicitly then user_set_llvm is set to true. This is used * for perf test. If user doesn't set anything in .perfconfig diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index b1772180c820..bc2cdbd09a25 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -138,8 +138,10 @@ void machine__exit(struct machine *machine) void machine__delete(struct machine *machine) { - machine__exit(machine); - free(machine); + if (machine) { + machine__exit(machine); + free(machine); + } } void machines__init(struct machines *machines) @@ -1353,11 +1355,16 @@ int machine__process_mmap2_event(struct machine *machine, if (map == NULL) goto out_problem_map; - thread__insert_map(thread, map); + ret = thread__insert_map(thread, map); + if (ret) + goto out_problem_insert; + thread__put(thread); map__put(map); return 0; +out_problem_insert: + map__put(map); out_problem_map: thread__put(thread); out_problem: @@ -1403,11 +1410,16 @@ int machine__process_mmap_event(struct machine *machine, union perf_event *event if (map == NULL) goto out_problem_map; - thread__insert_map(thread, map); + ret = thread__insert_map(thread, map); + if (ret) + goto out_problem_insert; + thread__put(thread); map__put(map); return 0; +out_problem_insert: + map__put(map); out_problem_map: thread__put(thread); out_problem: diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index b19bcd3b7128..728129ac653a 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -15,6 +15,7 @@ #include "debug.h" #include "machine.h" #include <linux/string.h> +#include "unwind.h" static void __maps__insert(struct maps *maps, struct map *map); @@ -311,6 +312,9 @@ int map__load(struct map *map, symbol_filter_t filter) pr_warning("%.*s was updated (is prelink enabled?). " "Restart the long running apps that use it!\n", (int)real_len, name); + } else if (filter) { + pr_warning("no symbols passed the given filter.\n"); + return -2; /* Empty but maybe by the filter */ } else { pr_warning("no symbols found in %s, maybe install " "a debug package?\n", name); @@ -744,9 +748,10 @@ int map_groups__fixup_overlappings(struct map_groups *mg, struct map *map, /* * XXX This should not really _copy_ te maps, but refcount them. */ -int map_groups__clone(struct map_groups *mg, +int map_groups__clone(struct thread *thread, struct map_groups *parent, enum map_type type) { + struct map_groups *mg = thread->mg; int err = -ENOMEM; struct map *map; struct maps *maps = &parent->maps[type]; @@ -757,6 +762,11 @@ int map_groups__clone(struct map_groups *mg, struct map *new = map__clone(map); if (new == NULL) goto out_unlock; + + err = unwind__prepare_access(thread, new, NULL); + if (err) + goto out_unlock; + map_groups__insert(mg, new); map__put(new); } diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h index 7309d64ce39e..d83396ceecba 100644 --- a/tools/perf/util/map.h +++ b/tools/perf/util/map.h @@ -194,7 +194,7 @@ struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name, struct map **mapp, symbol_filter_t filter); void map_groups__init(struct map_groups *mg, struct machine *machine); void map_groups__exit(struct map_groups *mg); -int map_groups__clone(struct map_groups *mg, +int map_groups__clone(struct thread *thread, struct map_groups *parent, enum map_type type); size_t map_groups__fprintf(struct map_groups *mg, FILE *fp); diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c index 75465f89a413..bbc368e7d1e4 100644 --- a/tools/perf/util/mem-events.c +++ b/tools/perf/util/mem-events.c @@ -10,18 +10,33 @@ #include "debug.h" #include "symbol.h" +unsigned int perf_mem_events__loads_ldlat = 30; + #define E(t, n, s) { .tag = t, .name = n, .sysfs_name = s } struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX] = { - E("ldlat-loads", "cpu/mem-loads,ldlat=30/P", "mem-loads"), + E("ldlat-loads", "cpu/mem-loads,ldlat=%u/P", "mem-loads"), E("ldlat-stores", "cpu/mem-stores/P", "mem-stores"), }; #undef E #undef E +static char mem_loads_name[100]; +static bool mem_loads_name__init; + char *perf_mem_events__name(int i) { + if (i == PERF_MEM_EVENTS__LOAD) { + if (!mem_loads_name__init) { + mem_loads_name__init = true; + scnprintf(mem_loads_name, sizeof(mem_loads_name), + perf_mem_events[i].name, + perf_mem_events__loads_ldlat); + } + return mem_loads_name; + } + return (char *)perf_mem_events[i].name; } diff --git a/tools/perf/util/mem-events.h b/tools/perf/util/mem-events.h index 5d6d93066a6e..7f69bf9d789d 100644 --- a/tools/perf/util/mem-events.h +++ b/tools/perf/util/mem-events.h @@ -18,6 +18,7 @@ enum { }; extern struct perf_mem_event perf_mem_events[PERF_MEM_EVENTS__MAX]; +extern unsigned int perf_mem_events__loads_ldlat; int perf_mem_events__parse(const char *str); int perf_mem_events__init(void); diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index c6fd0479f4cd..6c913c3914fb 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -20,6 +20,7 @@ #include "pmu.h" #include "thread_map.h" #include "cpumap.h" +#include "probe-file.h" #include "asm/bug.h" #define MAX_NAME_LEN 100 @@ -436,7 +437,7 @@ int parse_events_add_cache(struct list_head *list, int *idx, } static void tracepoint_error(struct parse_events_error *e, int err, - char *sys, char *name) + const char *sys, const char *name) { char help[BUFSIZ]; @@ -466,7 +467,7 @@ static void tracepoint_error(struct parse_events_error *e, int err, } static int add_tracepoint(struct list_head *list, int *idx, - char *sys_name, char *evt_name, + const char *sys_name, const char *evt_name, struct parse_events_error *err, struct list_head *head_config) { @@ -491,7 +492,7 @@ static int add_tracepoint(struct list_head *list, int *idx, } static int add_tracepoint_multi_event(struct list_head *list, int *idx, - char *sys_name, char *evt_name, + const char *sys_name, const char *evt_name, struct parse_events_error *err, struct list_head *head_config) { @@ -533,7 +534,7 @@ static int add_tracepoint_multi_event(struct list_head *list, int *idx, } static int add_tracepoint_event(struct list_head *list, int *idx, - char *sys_name, char *evt_name, + const char *sys_name, const char *evt_name, struct parse_events_error *err, struct list_head *head_config) { @@ -545,7 +546,7 @@ static int add_tracepoint_event(struct list_head *list, int *idx, } static int add_tracepoint_multi_sys(struct list_head *list, int *idx, - char *sys_name, char *evt_name, + const char *sys_name, const char *evt_name, struct parse_events_error *err, struct list_head *head_config) { @@ -584,7 +585,7 @@ struct __add_bpf_event_param { struct list_head *head_config; }; -static int add_bpf_event(struct probe_trace_event *tev, int fd, +static int add_bpf_event(const char *group, const char *event, int fd, void *_param) { LIST_HEAD(new_evsels); @@ -595,27 +596,27 @@ static int add_bpf_event(struct probe_trace_event *tev, int fd, int err; pr_debug("add bpf event %s:%s and attach bpf program %d\n", - tev->group, tev->event, fd); + group, event, fd); - err = parse_events_add_tracepoint(&new_evsels, &evlist->idx, tev->group, - tev->event, evlist->error, + err = parse_events_add_tracepoint(&new_evsels, &evlist->idx, group, + event, evlist->error, param->head_config); if (err) { struct perf_evsel *evsel, *tmp; pr_debug("Failed to add BPF event %s:%s\n", - tev->group, tev->event); + group, event); list_for_each_entry_safe(evsel, tmp, &new_evsels, node) { list_del(&evsel->node); perf_evsel__delete(evsel); } return err; } - pr_debug("adding %s:%s\n", tev->group, tev->event); + pr_debug("adding %s:%s\n", group, event); list_for_each_entry(pos, &new_evsels, node) { pr_debug("adding %s:%s to %p\n", - tev->group, tev->event, pos); + group, event, pos); pos->bpf_fd = fd; } list_splice(&new_evsels, list); @@ -661,7 +662,7 @@ int parse_events_load_bpf_obj(struct parse_events_evlist *data, goto errout; } - err = bpf__foreach_tev(obj, add_bpf_event, ¶m); + err = bpf__foreach_event(obj, add_bpf_event, ¶m); if (err) { snprintf(errbuf, sizeof(errbuf), "Attach events in BPF object failed"); @@ -900,6 +901,9 @@ static const char *config_term_names[__PARSE_EVENTS__TERM_TYPE_NR] = { [PARSE_EVENTS__TERM_TYPE_STACKSIZE] = "stack-size", [PARSE_EVENTS__TERM_TYPE_NOINHERIT] = "no-inherit", [PARSE_EVENTS__TERM_TYPE_INHERIT] = "inherit", + [PARSE_EVENTS__TERM_TYPE_MAX_STACK] = "max-stack", + [PARSE_EVENTS__TERM_TYPE_OVERWRITE] = "overwrite", + [PARSE_EVENTS__TERM_TYPE_NOOVERWRITE] = "no-overwrite", }; static bool config_term_shrinked; @@ -992,9 +996,18 @@ do { \ case PARSE_EVENTS__TERM_TYPE_NOINHERIT: CHECK_TYPE_VAL(NUM); break; + case PARSE_EVENTS__TERM_TYPE_OVERWRITE: + CHECK_TYPE_VAL(NUM); + break; + case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE: + CHECK_TYPE_VAL(NUM); + break; case PARSE_EVENTS__TERM_TYPE_NAME: CHECK_TYPE_VAL(STR); break; + case PARSE_EVENTS__TERM_TYPE_MAX_STACK: + CHECK_TYPE_VAL(NUM); + break; default: err->str = strdup("unknown term"); err->idx = term->err_term; @@ -1040,6 +1053,9 @@ static int config_term_tracepoint(struct perf_event_attr *attr, case PARSE_EVENTS__TERM_TYPE_STACKSIZE: case PARSE_EVENTS__TERM_TYPE_INHERIT: case PARSE_EVENTS__TERM_TYPE_NOINHERIT: + case PARSE_EVENTS__TERM_TYPE_MAX_STACK: + case PARSE_EVENTS__TERM_TYPE_OVERWRITE: + case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE: return config_term_common(attr, term, err); default: if (err) { @@ -1109,6 +1125,15 @@ do { \ case PARSE_EVENTS__TERM_TYPE_NOINHERIT: ADD_CONFIG_TERM(INHERIT, inherit, term->val.num ? 0 : 1); break; + case PARSE_EVENTS__TERM_TYPE_MAX_STACK: + ADD_CONFIG_TERM(MAX_STACK, max_stack, term->val.num); + break; + case PARSE_EVENTS__TERM_TYPE_OVERWRITE: + ADD_CONFIG_TERM(OVERWRITE, overwrite, term->val.num ? 1 : 0); + break; + case PARSE_EVENTS__TERM_TYPE_NOOVERWRITE: + ADD_CONFIG_TERM(OVERWRITE, overwrite, term->val.num ? 0 : 1); + break; default: break; } @@ -1118,7 +1143,7 @@ do { \ } int parse_events_add_tracepoint(struct list_head *list, int *idx, - char *sys, char *event, + const char *sys, const char *event, struct parse_events_error *err, struct list_head *head_config) { @@ -1388,7 +1413,7 @@ int parse_events__modifier_event(struct list_head *list, char *str, bool add) if (!add && get_event_modifier(&mod, str, NULL)) return -EINVAL; - __evlist__for_each(list, evsel) { + __evlist__for_each_entry(list, evsel) { if (add && get_event_modifier(&mod, str, evsel)) return -EINVAL; @@ -1414,7 +1439,7 @@ int parse_events_name(struct list_head *list, char *name) { struct perf_evsel *evsel; - __evlist__for_each(list, evsel) { + __evlist__for_each_entry(list, evsel) { if (!evsel->name) evsel->name = strdup(name); } @@ -1976,6 +2001,85 @@ static bool is_event_supported(u8 type, unsigned config) return ret; } +void print_sdt_events(const char *subsys_glob, const char *event_glob, + bool name_only) +{ + struct probe_cache *pcache; + struct probe_cache_entry *ent; + struct strlist *bidlist, *sdtlist; + struct strlist_config cfg = {.dont_dupstr = true}; + struct str_node *nd, *nd2; + char *buf, *path, *ptr = NULL; + bool show_detail = false; + int ret; + + sdtlist = strlist__new(NULL, &cfg); + if (!sdtlist) { + pr_debug("Failed to allocate new strlist for SDT\n"); + return; + } + bidlist = build_id_cache__list_all(true); + if (!bidlist) { + pr_debug("Failed to get buildids: %d\n", errno); + return; + } + strlist__for_each_entry(nd, bidlist) { + pcache = probe_cache__new(nd->s); + if (!pcache) + continue; + list_for_each_entry(ent, &pcache->entries, node) { + if (!ent->sdt) + continue; + if (subsys_glob && + !strglobmatch(ent->pev.group, subsys_glob)) + continue; + if (event_glob && + !strglobmatch(ent->pev.event, event_glob)) + continue; + ret = asprintf(&buf, "%s:%s@%s", ent->pev.group, + ent->pev.event, nd->s); + if (ret > 0) + strlist__add(sdtlist, buf); + } + probe_cache__delete(pcache); + } + strlist__delete(bidlist); + + strlist__for_each_entry(nd, sdtlist) { + buf = strchr(nd->s, '@'); + if (buf) + *(buf++) = '\0'; + if (name_only) { + printf("%s ", nd->s); + continue; + } + nd2 = strlist__next(nd); + if (nd2) { + ptr = strchr(nd2->s, '@'); + if (ptr) + *ptr = '\0'; + if (strcmp(nd->s, nd2->s) == 0) + show_detail = true; + } + if (show_detail) { + path = build_id_cache__origname(buf); + ret = asprintf(&buf, "%s@%s(%.12s)", nd->s, path, buf); + if (ret > 0) { + printf(" %-50s [%s]\n", buf, "SDT event"); + free(buf); + } + } else + printf(" %-50s [%s]\n", nd->s, "SDT event"); + if (nd2) { + if (strcmp(nd->s, nd2->s) != 0) + show_detail = false; + if (ptr) + *ptr = '@'; + } + } + strlist__delete(sdtlist); +} + int print_hwcache_events(const char *event_glob, bool name_only) { unsigned int type, op, i, evt_i = 0, evt_num = 0; @@ -2158,6 +2262,8 @@ void print_events(const char *event_glob, bool name_only) } print_tracepoint_events(NULL, NULL, name_only); + + print_sdt_events(NULL, NULL, name_only); } int parse_events__is_hardcoded_term(struct parse_events_term *term) @@ -2322,9 +2428,9 @@ static void config_terms_list(char *buf, size_t buf_sz) char *parse_events_formats_error_string(char *additional_terms) { char *str; - /* "branch_type" is the longest name */ + /* "no-overwrite" is the longest name */ char static_terms[__PARSE_EVENTS__TERM_TYPE_NR * - (sizeof("branch_type") - 1)]; + (sizeof("no-overwrite") - 1)]; config_terms_list(static_terms, sizeof(static_terms)); /* valid terms */ diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index d740c3ca9a1d..d1edbf8cc66a 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -68,6 +68,9 @@ enum { PARSE_EVENTS__TERM_TYPE_STACKSIZE, PARSE_EVENTS__TERM_TYPE_NOINHERIT, PARSE_EVENTS__TERM_TYPE_INHERIT, + PARSE_EVENTS__TERM_TYPE_MAX_STACK, + PARSE_EVENTS__TERM_TYPE_NOOVERWRITE, + PARSE_EVENTS__TERM_TYPE_OVERWRITE, __PARSE_EVENTS__TERM_TYPE_NR, }; @@ -133,7 +136,7 @@ int parse_events__modifier_event(struct list_head *list, char *str, bool add); int parse_events__modifier_group(struct list_head *list, char *event_mod); int parse_events_name(struct list_head *list, char *name); int parse_events_add_tracepoint(struct list_head *list, int *idx, - char *sys, char *event, + const char *sys, const char *event, struct parse_events_error *error, struct list_head *head_config); int parse_events_load_bpf(struct parse_events_evlist *data, @@ -182,6 +185,8 @@ void print_symbol_events(const char *event_glob, unsigned type, void print_tracepoint_events(const char *subsys_glob, const char *event_glob, bool name_only); int print_hwcache_events(const char *event_glob, bool name_only); +void print_sdt_events(const char *subsys_glob, const char *event_glob, + bool name_only); int is_valid_tracepoint(const char *event_string); int valid_event_mount(const char *eventfs); diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l index 1477fbc78993..7a2519435da0 100644 --- a/tools/perf/util/parse-events.l +++ b/tools/perf/util/parse-events.l @@ -199,8 +199,11 @@ branch_type { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE time { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_TIME); } call-graph { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CALLGRAPH); } stack-size { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_STACKSIZE); } +max-stack { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_MAX_STACK); } inherit { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_INHERIT); } no-inherit { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NOINHERIT); } +overwrite { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_OVERWRITE); } +no-overwrite { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_NOOVERWRITE); } , { return ','; } "/" { BEGIN(INITIAL); return '/'; } {name_minus} { return str(yyscanner, PE_NAME); } @@ -259,6 +262,7 @@ cycles-ct { return str(yyscanner, PE_KERNEL_PMU_EVENT); } cycles-t { return str(yyscanner, PE_KERNEL_PMU_EVENT); } mem-loads { return str(yyscanner, PE_KERNEL_PMU_EVENT); } mem-stores { return str(yyscanner, PE_KERNEL_PMU_EVENT); } +topdown-[a-z-]+ { return str(yyscanner, PE_KERNEL_PMU_EVENT); } L1-dcache|l1-d|l1d|L1-data | L1-icache|l1-i|l1i|L1-instruction | diff --git a/tools/perf/util/path.c b/tools/perf/util/path.c index 3bf6bf82ff2d..7c7630be5a89 100644 --- a/tools/perf/util/path.c +++ b/tools/perf/util/path.c @@ -11,17 +11,13 @@ * which is what it's designed for. */ #include "cache.h" +#include "util.h" +#include <limits.h> static char bad_path[] = "/bad-path/"; /* - * Two hacks: + * One hack: */ - -static const char *get_perf_dir(void) -{ - return "."; -} - static char *get_pathname(void) { static char pathname_array[4][PATH_MAX]; @@ -54,60 +50,3 @@ char *mkpath(const char *fmt, ...) return bad_path; return cleanup_path(pathname); } - -char *perf_path(const char *fmt, ...) -{ - const char *perf_dir = get_perf_dir(); - char *pathname = get_pathname(); - va_list args; - unsigned len; - - len = strlen(perf_dir); - if (len > PATH_MAX-100) - return bad_path; - memcpy(pathname, perf_dir, len); - if (len && perf_dir[len-1] != '/') - pathname[len++] = '/'; - va_start(args, fmt); - len += vsnprintf(pathname + len, PATH_MAX - len, fmt, args); - va_end(args); - if (len >= PATH_MAX) - return bad_path; - return cleanup_path(pathname); -} - -/* strip arbitrary amount of directory separators at end of path */ -static inline int chomp_trailing_dir_sep(const char *path, int len) -{ - while (len && is_dir_sep(path[len - 1])) - len--; - return len; -} - -/* - * If path ends with suffix (complete path components), returns the - * part before suffix (sans trailing directory separators). - * Otherwise returns NULL. - */ -char *strip_path_suffix(const char *path, const char *suffix) -{ - int path_len = strlen(path), suffix_len = strlen(suffix); - - while (suffix_len) { - if (!path_len) - return NULL; - - if (is_dir_sep(path[path_len - 1])) { - if (!is_dir_sep(suffix[suffix_len - 1])) - return NULL; - path_len = chomp_trailing_dir_sep(path, path_len); - suffix_len = chomp_trailing_dir_sep(suffix, suffix_len); - } - else if (path[--path_len] != suffix[--suffix_len]) - return NULL; - } - - if (path_len && !is_dir_sep(path[path_len - 1])) - return NULL; - return strndup(path, chomp_trailing_dir_sep(path, path_len)); -} diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 74401a20106d..953dc1ab2ed7 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -67,7 +67,6 @@ int e_snprintf(char *str, size_t size, const char *format, ...) return ret; } -static char *synthesize_perf_probe_point(struct perf_probe_point *pp); static struct machine *host_machine; /* Initialize symbol maps and path of vmlinux/modules */ @@ -103,10 +102,8 @@ out: void exit_probe_symbol_maps(void) { - if (host_machine) { - machine__delete(host_machine); - host_machine = NULL; - } + machine__delete(host_machine); + host_machine = NULL; symbol__exit(); } @@ -471,7 +468,7 @@ static struct debuginfo *open_debuginfo(const char *module, bool silent) err = kernel_get_module_dso(module, &dso); if (err < 0) { if (!dso || dso->load_errno == 0) { - if (!strerror_r(-err, reason, STRERR_BUFSIZE)) + if (!str_error_r(-err, reason, STRERR_BUFSIZE)) strcpy(reason, "(unknown)"); } else dso__strerror_load(dso, reason, STRERR_BUFSIZE); @@ -809,7 +806,7 @@ static int __show_one_line(FILE *fp, int l, bool skip, bool show_num) error: if (ferror(fp)) { pr_warning("File read error: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); return -1; } return 0; @@ -889,7 +886,7 @@ static int __show_line_range(struct line_range *lr, const char *module, fp = fopen(lr->path, "r"); if (fp == NULL) { pr_warning("Failed to open %s: %s\n", lr->path, - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); return -errno; } /* Skip to starting line number */ @@ -899,7 +896,7 @@ static int __show_line_range(struct line_range *lr, const char *module, goto end; } - intlist__for_each(ln, lr->line_list) { + intlist__for_each_entry(ln, lr->line_list) { for (; ln->i > l; l++) { ret = show_one_line(fp, l - lr->offset); if (ret < 0) @@ -983,7 +980,7 @@ static int show_available_vars_at(struct debuginfo *dinfo, zfree(&vl->point.symbol); nvars = 0; if (vl->vars) { - strlist__for_each(node, vl->vars) { + strlist__for_each_entry(node, vl->vars) { var = strchr(node->s, '\t') + 1; if (strfilter__compare(_filter, var)) { fprintf(stdout, "\t\t%s\n", node->s); @@ -1200,6 +1197,34 @@ err: return err; } +static int parse_perf_probe_event_name(char **arg, struct perf_probe_event *pev) +{ + char *ptr; + + ptr = strchr(*arg, ':'); + if (ptr) { + *ptr = '\0'; + if (!pev->sdt && !is_c_func_name(*arg)) + goto ng_name; + pev->group = strdup(*arg); + if (!pev->group) + return -ENOMEM; + *arg = ptr + 1; + } else + pev->group = NULL; + if (!pev->sdt && !is_c_func_name(*arg)) { +ng_name: + semantic_error("%s is bad for event name -it must " + "follow C symbol-naming rule.\n", *arg); + return -EINVAL; + } + pev->event = strdup(*arg); + if (pev->event == NULL) + return -ENOMEM; + + return 0; +} + /* Parse probepoint definition. */ static int parse_perf_probe_point(char *arg, struct perf_probe_event *pev) { @@ -1207,33 +1232,64 @@ static int parse_perf_probe_point(char *arg, struct perf_probe_event *pev) char *ptr, *tmp; char c, nc = 0; bool file_spec = false; + int ret; + /* * <Syntax> - * perf probe [EVENT=]SRC[:LN|;PTN] - * perf probe [EVENT=]FUNC[@SRC][+OFFS|%return|:LN|;PAT] - * - * TODO:Group name support + * perf probe [GRP:][EVENT=]SRC[:LN|;PTN] + * perf probe [GRP:][EVENT=]FUNC[@SRC][+OFFS|%return|:LN|;PAT] + * perf probe %[GRP:]SDT_EVENT */ if (!arg) return -EINVAL; + /* + * If the probe point starts with '%', + * or starts with "sdt_" and has a ':' but no '=', + * then it should be a SDT/cached probe point. + */ + if (arg[0] == '%' || + (!strncmp(arg, "sdt_", 4) && + !!strchr(arg, ':') && !strchr(arg, '='))) { + pev->sdt = true; + if (arg[0] == '%') + arg++; + } + ptr = strpbrk(arg, ";=@+%"); + if (pev->sdt) { + if (ptr) { + if (*ptr != '@') { + semantic_error("%s must be an SDT name.\n", + arg); + return -EINVAL; + } + /* This must be a target file name or build id */ + tmp = build_id_cache__complement(ptr + 1); + if (tmp) { + pev->target = build_id_cache__origname(tmp); + free(tmp); + } else + pev->target = strdup(ptr + 1); + if (!pev->target) + return -ENOMEM; + *ptr = '\0'; + } + ret = parse_perf_probe_event_name(&arg, pev); + if (ret == 0) { + if (asprintf(&pev->point.function, "%%%s", pev->event) < 0) + ret = -errno; + } + return ret; + } + if (ptr && *ptr == '=') { /* Event name */ *ptr = '\0'; tmp = ptr + 1; - if (strchr(arg, ':')) { - semantic_error("Group name is not supported yet.\n"); - return -ENOTSUP; - } - if (!is_c_func_name(arg)) { - semantic_error("%s is bad for event name -it must " - "follow C symbol-naming rule.\n", arg); - return -EINVAL; - } - pev->event = strdup(arg); - if (pev->event == NULL) - return -ENOMEM; - pev->group = NULL; + ret = parse_perf_probe_event_name(&arg, pev); + if (ret < 0) + return ret; + arg = tmp; } @@ -1545,7 +1601,9 @@ bool perf_probe_event_need_dwarf(struct perf_probe_event *pev) return true; for (i = 0; i < pev->nargs; i++) - if (is_c_varname(pev->args[i].var)) + if (is_c_varname(pev->args[i].var) || + !strcmp(pev->args[i].var, "$params") || + !strcmp(pev->args[i].var, "$vars")) return true; return false; @@ -1603,6 +1661,11 @@ int parse_probe_trace_command(const char *cmd, struct probe_trace_event *tev) p = strchr(argv[1], ':'); if (p) { tp->module = strndup(argv[1], p - argv[1]); + if (!tp->module) { + ret = -ENOMEM; + goto out; + } + tev->uprobes = (tp->module[0] == '/'); p++; } else p = argv[1]; @@ -1712,7 +1775,7 @@ out: } /* Compose only probe point (not argument) */ -static char *synthesize_perf_probe_point(struct perf_probe_point *pp) +char *synthesize_perf_probe_point(struct perf_probe_point *pp) { struct strbuf buf; char *tmp, *ret = NULL; @@ -1751,30 +1814,36 @@ out: return ret; } -#if 0 char *synthesize_perf_probe_command(struct perf_probe_event *pev) { - char *buf; - int i, len, ret; + struct strbuf buf; + char *tmp, *ret = NULL; + int i; - buf = synthesize_perf_probe_point(&pev->point); - if (!buf) + if (strbuf_init(&buf, 64)) return NULL; + if (pev->event) + if (strbuf_addf(&buf, "%s:%s=", pev->group ?: PERFPROBE_GROUP, + pev->event) < 0) + goto out; + + tmp = synthesize_perf_probe_point(&pev->point); + if (!tmp || strbuf_addstr(&buf, tmp) < 0) + goto out; + free(tmp); - len = strlen(buf); for (i = 0; i < pev->nargs; i++) { - ret = e_snprintf(&buf[len], MAX_CMDLEN - len, " %s", - pev->args[i].name); - if (ret <= 0) { - free(buf); - return NULL; - } - len += ret; + tmp = synthesize_perf_probe_arg(pev->args + i); + if (!tmp || strbuf_addf(&buf, " %s", tmp) < 0) + goto out; + free(tmp); } - return buf; + ret = strbuf_detach(&buf, NULL); +out: + strbuf_release(&buf); + return ret; } -#endif static int __synthesize_probe_trace_arg_ref(struct probe_trace_arg_ref *ref, struct strbuf *buf, int depth) @@ -2026,6 +2095,79 @@ void clear_perf_probe_event(struct perf_probe_event *pev) memset(pev, 0, sizeof(*pev)); } +#define strdup_or_goto(str, label) \ +({ char *__p = NULL; if (str && !(__p = strdup(str))) goto label; __p; }) + +static int perf_probe_point__copy(struct perf_probe_point *dst, + struct perf_probe_point *src) +{ + dst->file = strdup_or_goto(src->file, out_err); + dst->function = strdup_or_goto(src->function, out_err); + dst->lazy_line = strdup_or_goto(src->lazy_line, out_err); + dst->line = src->line; + dst->retprobe = src->retprobe; + dst->offset = src->offset; + return 0; + +out_err: + clear_perf_probe_point(dst); + return -ENOMEM; +} + +static int perf_probe_arg__copy(struct perf_probe_arg *dst, + struct perf_probe_arg *src) +{ + struct perf_probe_arg_field *field, **ppfield; + + dst->name = strdup_or_goto(src->name, out_err); + dst->var = strdup_or_goto(src->var, out_err); + dst->type = strdup_or_goto(src->type, out_err); + + field = src->field; + ppfield = &(dst->field); + while (field) { + *ppfield = zalloc(sizeof(*field)); + if (!*ppfield) + goto out_err; + (*ppfield)->name = strdup_or_goto(field->name, out_err); + (*ppfield)->index = field->index; + (*ppfield)->ref = field->ref; + field = field->next; + ppfield = &((*ppfield)->next); + } + return 0; +out_err: + return -ENOMEM; +} + +int perf_probe_event__copy(struct perf_probe_event *dst, + struct perf_probe_event *src) +{ + int i; + + dst->event = strdup_or_goto(src->event, out_err); + dst->group = strdup_or_goto(src->group, out_err); + dst->target = strdup_or_goto(src->target, out_err); + dst->uprobes = src->uprobes; + + if (perf_probe_point__copy(&dst->point, &src->point) < 0) + goto out_err; + + dst->args = zalloc(sizeof(struct perf_probe_arg) * src->nargs); + if (!dst->args) + goto out_err; + dst->nargs = src->nargs; + + for (i = 0; i < src->nargs; i++) + if (perf_probe_arg__copy(&dst->args[i], &src->args[i]) < 0) + goto out_err; + return 0; + +out_err: + clear_perf_probe_event(dst); + return -ENOMEM; +} + void clear_probe_trace_event(struct probe_trace_event *tev) { struct probe_trace_arg_ref *ref, *next; @@ -2253,7 +2395,7 @@ static int __show_perf_probe_events(int fd, bool is_kprobe, if (!rawlist) return -ENOMEM; - strlist__for_each(ent, rawlist) { + strlist__for_each_entry(ent, rawlist) { ret = parse_probe_trace_command(ent->s, &tev); if (ret >= 0) { if (!filter_probe_trace_event(&tev, filter)) @@ -2286,6 +2428,9 @@ int show_perf_probe_events(struct strfilter *filter) setup_pager(); + if (probe_conf.cache) + return probe_cache__show_all_caches(filter); + ret = init_probe_symbol_maps(false); if (ret < 0) return ret; @@ -2394,17 +2539,24 @@ static int probe_trace_event__set_name(struct probe_trace_event *tev, char buf[64]; int ret; - if (pev->event) + /* If probe_event or trace_event already have the name, reuse it */ + if (pev->event && !pev->sdt) event = pev->event; - else + else if (tev->event) + event = tev->event; + else { + /* Or generate new one from probe point */ if (pev->point.function && (strncmp(pev->point.function, "0x", 2) != 0) && !strisglob(pev->point.function)) event = pev->point.function; else event = tev->point.realname; - if (pev->group) + } + if (pev->group && !pev->sdt) group = pev->group; + else if (tev->group) + group = tev->group; else group = PERFPROBE_GROUP; @@ -2426,40 +2578,60 @@ static int probe_trace_event__set_name(struct probe_trace_event *tev, return 0; } -static int __add_probe_trace_events(struct perf_probe_event *pev, - struct probe_trace_event *tevs, - int ntevs, bool allow_suffix) +static int __open_probe_file_and_namelist(bool uprobe, + struct strlist **namelist) { - int i, fd, ret; - struct probe_trace_event *tev = NULL; - struct strlist *namelist; + int fd; - fd = probe_file__open(PF_FL_RW | (pev->uprobes ? PF_FL_UPROBE : 0)); + fd = probe_file__open(PF_FL_RW | (uprobe ? PF_FL_UPROBE : 0)); if (fd < 0) return fd; /* Get current event names */ - namelist = probe_file__get_namelist(fd); - if (!namelist) { + *namelist = probe_file__get_namelist(fd); + if (!(*namelist)) { pr_debug("Failed to get current event list.\n"); - ret = -ENOMEM; - goto close_out; + close(fd); + return -ENOMEM; } + return fd; +} + +static int __add_probe_trace_events(struct perf_probe_event *pev, + struct probe_trace_event *tevs, + int ntevs, bool allow_suffix) +{ + int i, fd[2] = {-1, -1}, up, ret; + struct probe_trace_event *tev = NULL; + struct probe_cache *cache = NULL; + struct strlist *namelist[2] = {NULL, NULL}; + + up = pev->uprobes ? 1 : 0; + fd[up] = __open_probe_file_and_namelist(up, &namelist[up]); + if (fd[up] < 0) + return fd[up]; ret = 0; for (i = 0; i < ntevs; i++) { tev = &tevs[i]; + up = tev->uprobes ? 1 : 0; + if (fd[up] == -1) { /* Open the kprobe/uprobe_events */ + fd[up] = __open_probe_file_and_namelist(up, + &namelist[up]); + if (fd[up] < 0) + goto close_out; + } /* Skip if the symbol is out of .text or blacklisted */ - if (!tev->point.symbol) + if (!tev->point.symbol && !pev->uprobes) continue; /* Set new name for tev (and update namelist) */ - ret = probe_trace_event__set_name(tev, pev, namelist, + ret = probe_trace_event__set_name(tev, pev, namelist[up], allow_suffix); if (ret < 0) break; - ret = probe_file__add_event(fd, tev); + ret = probe_file__add_event(fd[up], tev); if (ret < 0) break; @@ -2473,10 +2645,21 @@ static int __add_probe_trace_events(struct perf_probe_event *pev, } if (ret == -EINVAL && pev->uprobes) warn_uprobe_event_compat(tev); + if (ret == 0 && probe_conf.cache) { + cache = probe_cache__new(pev->target); + if (!cache || + probe_cache__add_entry(cache, pev, tevs, ntevs) < 0 || + probe_cache__commit(cache) < 0) + pr_warning("Failed to add event to probe cache\n"); + probe_cache__delete(cache); + } - strlist__delete(namelist); close_out: - close(fd); + for (up = 0; up < 2; up++) { + strlist__delete(namelist[up]); + if (fd[up] >= 0) + close(fd[up]); + } return ret; } @@ -2501,9 +2684,6 @@ static int find_probe_functions(struct map *map, char *name, return found; } -#define strdup_or_goto(str, label) \ - ({ char *__p = strdup(str); if (!__p) goto label; __p; }) - void __weak arch__fix_tev_from_maps(struct perf_probe_event *pev __maybe_unused, struct probe_trace_event *tev __maybe_unused, struct map *map __maybe_unused, @@ -2758,12 +2938,205 @@ errout: bool __weak arch__prefers_symtab(void) { return false; } +/* Concatinate two arrays */ +static void *memcat(void *a, size_t sz_a, void *b, size_t sz_b) +{ + void *ret; + + ret = malloc(sz_a + sz_b); + if (ret) { + memcpy(ret, a, sz_a); + memcpy(ret + sz_a, b, sz_b); + } + return ret; +} + +static int +concat_probe_trace_events(struct probe_trace_event **tevs, int *ntevs, + struct probe_trace_event **tevs2, int ntevs2) +{ + struct probe_trace_event *new_tevs; + int ret = 0; + + if (ntevs == 0) { + *tevs = *tevs2; + *ntevs = ntevs2; + *tevs2 = NULL; + return 0; + } + + if (*ntevs + ntevs2 > probe_conf.max_probes) + ret = -E2BIG; + else { + /* Concatinate the array of probe_trace_event */ + new_tevs = memcat(*tevs, (*ntevs) * sizeof(**tevs), + *tevs2, ntevs2 * sizeof(**tevs2)); + if (!new_tevs) + ret = -ENOMEM; + else { + free(*tevs); + *tevs = new_tevs; + *ntevs += ntevs2; + } + } + if (ret < 0) + clear_probe_trace_events(*tevs2, ntevs2); + zfree(tevs2); + + return ret; +} + +/* + * Try to find probe_trace_event from given probe caches. Return the number + * of cached events found, if an error occurs return the error. + */ +static int find_cached_events(struct perf_probe_event *pev, + struct probe_trace_event **tevs, + const char *target) +{ + struct probe_cache *cache; + struct probe_cache_entry *entry; + struct probe_trace_event *tmp_tevs = NULL; + int ntevs = 0; + int ret = 0; + + cache = probe_cache__new(target); + /* Return 0 ("not found") if the target has no probe cache. */ + if (!cache) + return 0; + + for_each_probe_cache_entry(entry, cache) { + /* Skip the cache entry which has no name */ + if (!entry->pev.event || !entry->pev.group) + continue; + if ((!pev->group || strglobmatch(entry->pev.group, pev->group)) && + strglobmatch(entry->pev.event, pev->event)) { + ret = probe_cache_entry__get_event(entry, &tmp_tevs); + if (ret > 0) + ret = concat_probe_trace_events(tevs, &ntevs, + &tmp_tevs, ret); + if (ret < 0) + break; + } + } + probe_cache__delete(cache); + if (ret < 0) { + clear_probe_trace_events(*tevs, ntevs); + zfree(tevs); + } else { + ret = ntevs; + if (ntevs > 0 && target && target[0] == '/') + pev->uprobes = true; + } + + return ret; +} + +/* Try to find probe_trace_event from all probe caches */ +static int find_cached_events_all(struct perf_probe_event *pev, + struct probe_trace_event **tevs) +{ + struct probe_trace_event *tmp_tevs = NULL; + struct strlist *bidlist; + struct str_node *nd; + char *pathname; + int ntevs = 0; + int ret; + + /* Get the buildid list of all valid caches */ + bidlist = build_id_cache__list_all(true); + if (!bidlist) { + ret = -errno; + pr_debug("Failed to get buildids: %d\n", ret); + return ret; + } + + ret = 0; + strlist__for_each_entry(nd, bidlist) { + pathname = build_id_cache__origname(nd->s); + ret = find_cached_events(pev, &tmp_tevs, pathname); + /* In the case of cnt == 0, we just skip it */ + if (ret > 0) + ret = concat_probe_trace_events(tevs, &ntevs, + &tmp_tevs, ret); + free(pathname); + if (ret < 0) + break; + } + strlist__delete(bidlist); + + if (ret < 0) { + clear_probe_trace_events(*tevs, ntevs); + zfree(tevs); + } else + ret = ntevs; + + return ret; +} + +static int find_probe_trace_events_from_cache(struct perf_probe_event *pev, + struct probe_trace_event **tevs) +{ + struct probe_cache *cache; + struct probe_cache_entry *entry; + struct probe_trace_event *tev; + struct str_node *node; + int ret, i; + + if (pev->sdt) { + /* For SDT/cached events, we use special search functions */ + if (!pev->target) + return find_cached_events_all(pev, tevs); + else + return find_cached_events(pev, tevs, pev->target); + } + cache = probe_cache__new(pev->target); + if (!cache) + return 0; + + entry = probe_cache__find(cache, pev); + if (!entry) { + /* SDT must be in the cache */ + ret = pev->sdt ? -ENOENT : 0; + goto out; + } + + ret = strlist__nr_entries(entry->tevlist); + if (ret > probe_conf.max_probes) { + pr_debug("Too many entries matched in the cache of %s\n", + pev->target ? : "kernel"); + ret = -E2BIG; + goto out; + } + + *tevs = zalloc(ret * sizeof(*tev)); + if (!*tevs) { + ret = -ENOMEM; + goto out; + } + + i = 0; + strlist__for_each_entry(node, entry->tevlist) { + tev = &(*tevs)[i++]; + ret = parse_probe_trace_command(node->s, tev); + if (ret < 0) + goto out; + /* Set the uprobes attribute as same as original */ + tev->uprobes = pev->uprobes; + } + ret = i; + +out: + probe_cache__delete(cache); + return ret; +} + static int convert_to_probe_trace_events(struct perf_probe_event *pev, struct probe_trace_event **tevs) { int ret; - if (!pev->group) { + if (!pev->group && !pev->sdt) { /* Set group name if not given */ if (!pev->uprobes) { pev->group = strdup(PERFPROBE_GROUP); @@ -2780,6 +3153,11 @@ static int convert_to_probe_trace_events(struct perf_probe_event *pev, if (ret > 0) return ret; + /* At first, we need to lookup cache entry */ + ret = find_probe_trace_events_from_cache(pev, tevs); + if (ret > 0 || pev->sdt) /* SDT can be found only in the cache */ + return ret == 0 ? -ENOENT : ret; /* Found in probe cache */ + if (arch__prefers_symtab() && !perf_probe_event_need_dwarf(pev)) { ret = find_probe_trace_events_from_map(pev, tevs); if (ret > 0) @@ -2934,8 +3312,16 @@ int show_available_funcs(const char *target, struct strfilter *_filter, /* Load symbols with given filter */ available_func_filter = _filter; - if (map__load(map, filter_available_functions)) { - pr_err("Failed to load symbols in %s\n", (target) ? : "kernel"); + ret = map__load(map, filter_available_functions); + if (ret) { + if (ret == -2) { + char *str = strfilter__string(_filter); + pr_err("Failed to find symbols matched to \"%s\"\n", + str); + free(str); + } else + pr_err("Failed to load symbols in %s\n", + (target) ? : "kernel"); goto end; } if (!dso__sorted_by_name(map->dso, map->type)) diff --git a/tools/perf/util/probe-event.h b/tools/perf/util/probe-event.h index 5a27eb4fad05..e18ea9fe6385 100644 --- a/tools/perf/util/probe-event.h +++ b/tools/perf/util/probe-event.h @@ -12,6 +12,7 @@ struct probe_conf { bool show_location_range; bool force_add; bool no_inlines; + bool cache; int max_probes; }; extern struct probe_conf probe_conf; @@ -84,6 +85,7 @@ struct perf_probe_event { char *group; /* Group name */ struct perf_probe_point point; /* Probe point */ int nargs; /* Number of arguments */ + bool sdt; /* SDT/cached event flag */ bool uprobes; /* Uprobe event flag */ char *target; /* Target binary */ struct perf_probe_arg *args; /* Arguments */ @@ -121,6 +123,10 @@ int parse_probe_trace_command(const char *cmd, struct probe_trace_event *tev); char *synthesize_perf_probe_command(struct perf_probe_event *pev); char *synthesize_probe_trace_command(struct probe_trace_event *tev); char *synthesize_perf_probe_arg(struct perf_probe_arg *pa); +char *synthesize_perf_probe_point(struct perf_probe_point *pp); + +int perf_probe_event__copy(struct perf_probe_event *dst, + struct perf_probe_event *src); /* Check the perf_probe_event needs debuginfo */ bool perf_probe_event_need_dwarf(struct perf_probe_event *pev); diff --git a/tools/perf/util/probe-file.c b/tools/perf/util/probe-file.c index 3fe6214970e6..9aed9c332da6 100644 --- a/tools/perf/util/probe-file.c +++ b/tools/perf/util/probe-file.c @@ -14,6 +14,7 @@ * GNU General Public License for more details. * */ +#include <sys/uio.h> #include "util.h" #include "event.h" #include "strlist.h" @@ -49,7 +50,7 @@ static void print_open_warning(int err, bool uprobe) else pr_warning("Failed to open %cprobe_events: %s\n", uprobe ? 'u' : 'k', - strerror_r(-err, sbuf, sizeof(sbuf))); + str_error_r(-err, sbuf, sizeof(sbuf))); } static void print_both_open_warning(int kerr, int uerr) @@ -63,9 +64,9 @@ static void print_both_open_warning(int kerr, int uerr) else { char sbuf[STRERR_BUFSIZE]; pr_warning("Failed to open kprobe events: %s.\n", - strerror_r(-kerr, sbuf, sizeof(sbuf))); + str_error_r(-kerr, sbuf, sizeof(sbuf))); pr_warning("Failed to open uprobe events: %s.\n", - strerror_r(-uerr, sbuf, sizeof(sbuf))); + str_error_r(-uerr, sbuf, sizeof(sbuf))); } } @@ -177,7 +178,7 @@ static struct strlist *__probe_file__get_namelist(int fd, bool include_group) if (!rawlist) return NULL; sl = strlist__new(NULL, NULL); - strlist__for_each(ent, rawlist) { + strlist__for_each_entry(ent, rawlist) { ret = parse_probe_trace_command(ent->s, &tev); if (ret < 0) break; @@ -223,7 +224,7 @@ int probe_file__add_event(int fd, struct probe_trace_event *tev) if (write(fd, buf, strlen(buf)) < (int)strlen(buf)) { ret = -errno; pr_warning("Failed to write event: %s\n", - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); } } free(buf); @@ -261,7 +262,7 @@ static int __del_trace_probe_event(int fd, struct str_node *ent) return 0; error: pr_warning("Failed to delete event: %s\n", - strerror_r(-ret, buf, sizeof(buf))); + str_error_r(-ret, buf, sizeof(buf))); return ret; } @@ -280,7 +281,7 @@ int probe_file__get_events(int fd, struct strfilter *filter, if (!namelist) return -ENOENT; - strlist__for_each(ent, namelist) { + strlist__for_each_entry(ent, namelist) { p = strchr(ent->s, ':'); if ((p && strfilter__compare(filter, p + 1)) || strfilter__compare(filter, ent->s)) { @@ -298,7 +299,7 @@ int probe_file__del_strlist(int fd, struct strlist *namelist) int ret = 0; struct str_node *ent; - strlist__for_each(ent, namelist) { + strlist__for_each_entry(ent, namelist) { ret = __del_trace_probe_event(fd, ent); if (ret < 0) break; @@ -324,3 +325,533 @@ int probe_file__del_events(int fd, struct strfilter *filter) return ret; } + +/* Caller must ensure to remove this entry from list */ +static void probe_cache_entry__delete(struct probe_cache_entry *entry) +{ + if (entry) { + BUG_ON(!list_empty(&entry->node)); + + strlist__delete(entry->tevlist); + clear_perf_probe_event(&entry->pev); + zfree(&entry->spev); + free(entry); + } +} + +static struct probe_cache_entry * +probe_cache_entry__new(struct perf_probe_event *pev) +{ + struct probe_cache_entry *entry = zalloc(sizeof(*entry)); + + if (entry) { + INIT_LIST_HEAD(&entry->node); + entry->tevlist = strlist__new(NULL, NULL); + if (!entry->tevlist) + zfree(&entry); + else if (pev) { + entry->spev = synthesize_perf_probe_command(pev); + if (!entry->spev || + perf_probe_event__copy(&entry->pev, pev) < 0) { + probe_cache_entry__delete(entry); + return NULL; + } + } + } + + return entry; +} + +int probe_cache_entry__get_event(struct probe_cache_entry *entry, + struct probe_trace_event **tevs) +{ + struct probe_trace_event *tev; + struct str_node *node; + int ret, i; + + ret = strlist__nr_entries(entry->tevlist); + if (ret > probe_conf.max_probes) + return -E2BIG; + + *tevs = zalloc(ret * sizeof(*tev)); + if (!*tevs) + return -ENOMEM; + + i = 0; + strlist__for_each_entry(node, entry->tevlist) { + tev = &(*tevs)[i++]; + ret = parse_probe_trace_command(node->s, tev); + if (ret < 0) + break; + } + return i; +} + +/* For the kernel probe caches, pass target = NULL or DSO__NAME_KALLSYMS */ +static int probe_cache__open(struct probe_cache *pcache, const char *target) +{ + char cpath[PATH_MAX]; + char sbuildid[SBUILD_ID_SIZE]; + char *dir_name = NULL; + bool is_kallsyms = false; + int ret, fd; + + if (target && build_id_cache__cached(target)) { + /* This is a cached buildid */ + strncpy(sbuildid, target, SBUILD_ID_SIZE); + dir_name = build_id_cache__linkname(sbuildid, NULL, 0); + goto found; + } + + if (!target || !strcmp(target, DSO__NAME_KALLSYMS)) { + target = DSO__NAME_KALLSYMS; + is_kallsyms = true; + ret = sysfs__sprintf_build_id("/", sbuildid); + } else + ret = filename__sprintf_build_id(target, sbuildid); + + if (ret < 0) { + pr_debug("Failed to get build-id from %s.\n", target); + return ret; + } + + /* If we have no buildid cache, make it */ + if (!build_id_cache__cached(sbuildid)) { + ret = build_id_cache__add_s(sbuildid, target, + is_kallsyms, NULL); + if (ret < 0) { + pr_debug("Failed to add build-id cache: %s\n", target); + return ret; + } + } + + dir_name = build_id_cache__cachedir(sbuildid, target, is_kallsyms, + false); +found: + if (!dir_name) { + pr_debug("Failed to get cache from %s\n", target); + return -ENOMEM; + } + + snprintf(cpath, PATH_MAX, "%s/probes", dir_name); + fd = open(cpath, O_CREAT | O_RDWR, 0644); + if (fd < 0) + pr_debug("Failed to open cache(%d): %s\n", fd, cpath); + free(dir_name); + pcache->fd = fd; + + return fd; +} + +static int probe_cache__load(struct probe_cache *pcache) +{ + struct probe_cache_entry *entry = NULL; + char buf[MAX_CMDLEN], *p; + int ret = 0; + FILE *fp; + + fp = fdopen(dup(pcache->fd), "r"); + if (!fp) + return -EINVAL; + + while (!feof(fp)) { + if (!fgets(buf, MAX_CMDLEN, fp)) + break; + p = strchr(buf, '\n'); + if (p) + *p = '\0'; + /* #perf_probe_event or %sdt_event */ + if (buf[0] == '#' || buf[0] == '%') { + entry = probe_cache_entry__new(NULL); + if (!entry) { + ret = -ENOMEM; + goto out; + } + if (buf[0] == '%') + entry->sdt = true; + entry->spev = strdup(buf + 1); + if (entry->spev) + ret = parse_perf_probe_command(buf + 1, + &entry->pev); + else + ret = -ENOMEM; + if (ret < 0) { + probe_cache_entry__delete(entry); + goto out; + } + list_add_tail(&entry->node, &pcache->entries); + } else { /* trace_probe_event */ + if (!entry) { + ret = -EINVAL; + goto out; + } + strlist__add(entry->tevlist, buf); + } + } +out: + fclose(fp); + return ret; +} + +static struct probe_cache *probe_cache__alloc(void) +{ + struct probe_cache *pcache = zalloc(sizeof(*pcache)); + + if (pcache) { + INIT_LIST_HEAD(&pcache->entries); + pcache->fd = -EINVAL; + } + return pcache; +} + +void probe_cache__purge(struct probe_cache *pcache) +{ + struct probe_cache_entry *entry, *n; + + list_for_each_entry_safe(entry, n, &pcache->entries, node) { + list_del_init(&entry->node); + probe_cache_entry__delete(entry); + } +} + +void probe_cache__delete(struct probe_cache *pcache) +{ + if (!pcache) + return; + + probe_cache__purge(pcache); + if (pcache->fd > 0) + close(pcache->fd); + free(pcache); +} + +struct probe_cache *probe_cache__new(const char *target) +{ + struct probe_cache *pcache = probe_cache__alloc(); + int ret; + + if (!pcache) + return NULL; + + ret = probe_cache__open(pcache, target); + if (ret < 0) { + pr_debug("Cache open error: %d\n", ret); + goto out_err; + } + + ret = probe_cache__load(pcache); + if (ret < 0) { + pr_debug("Cache read error: %d\n", ret); + goto out_err; + } + + return pcache; + +out_err: + probe_cache__delete(pcache); + return NULL; +} + +static bool streql(const char *a, const char *b) +{ + if (a == b) + return true; + + if (!a || !b) + return false; + + return !strcmp(a, b); +} + +struct probe_cache_entry * +probe_cache__find(struct probe_cache *pcache, struct perf_probe_event *pev) +{ + struct probe_cache_entry *entry = NULL; + char *cmd = synthesize_perf_probe_command(pev); + + if (!cmd) + return NULL; + + for_each_probe_cache_entry(entry, pcache) { + if (pev->sdt) { + if (entry->pev.event && + streql(entry->pev.event, pev->event) && + (!pev->group || + streql(entry->pev.group, pev->group))) + goto found; + + continue; + } + /* Hit if same event name or same command-string */ + if ((pev->event && + (streql(entry->pev.group, pev->group) && + streql(entry->pev.event, pev->event))) || + (!strcmp(entry->spev, cmd))) + goto found; + } + entry = NULL; + +found: + free(cmd); + return entry; +} + +struct probe_cache_entry * +probe_cache__find_by_name(struct probe_cache *pcache, + const char *group, const char *event) +{ + struct probe_cache_entry *entry = NULL; + + for_each_probe_cache_entry(entry, pcache) { + /* Hit if same event name or same command-string */ + if (streql(entry->pev.group, group) && + streql(entry->pev.event, event)) + goto found; + } + entry = NULL; + +found: + return entry; +} + +int probe_cache__add_entry(struct probe_cache *pcache, + struct perf_probe_event *pev, + struct probe_trace_event *tevs, int ntevs) +{ + struct probe_cache_entry *entry = NULL; + char *command; + int i, ret = 0; + + if (!pcache || !pev || !tevs || ntevs <= 0) { + ret = -EINVAL; + goto out_err; + } + + /* Remove old cache entry */ + entry = probe_cache__find(pcache, pev); + if (entry) { + list_del_init(&entry->node); + probe_cache_entry__delete(entry); + } + + ret = -ENOMEM; + entry = probe_cache_entry__new(pev); + if (!entry) + goto out_err; + + for (i = 0; i < ntevs; i++) { + if (!tevs[i].point.symbol) + continue; + + command = synthesize_probe_trace_command(&tevs[i]); + if (!command) + goto out_err; + strlist__add(entry->tevlist, command); + free(command); + } + list_add_tail(&entry->node, &pcache->entries); + pr_debug("Added probe cache: %d\n", ntevs); + return 0; + +out_err: + pr_debug("Failed to add probe caches\n"); + probe_cache_entry__delete(entry); + return ret; +} + +#ifdef HAVE_GELF_GETNOTE_SUPPORT +static unsigned long long sdt_note__get_addr(struct sdt_note *note) +{ + return note->bit32 ? (unsigned long long)note->addr.a32[0] + : (unsigned long long)note->addr.a64[0]; +} + +int probe_cache__scan_sdt(struct probe_cache *pcache, const char *pathname) +{ + struct probe_cache_entry *entry = NULL; + struct list_head sdtlist; + struct sdt_note *note; + char *buf; + char sdtgrp[64]; + int ret; + + INIT_LIST_HEAD(&sdtlist); + ret = get_sdt_note_list(&sdtlist, pathname); + if (ret < 0) { + pr_debug("Failed to get sdt note: %d\n", ret); + return ret; + } + list_for_each_entry(note, &sdtlist, note_list) { + ret = snprintf(sdtgrp, 64, "sdt_%s", note->provider); + if (ret < 0) + break; + /* Try to find same-name entry */ + entry = probe_cache__find_by_name(pcache, sdtgrp, note->name); + if (!entry) { + entry = probe_cache_entry__new(NULL); + if (!entry) { + ret = -ENOMEM; + break; + } + entry->sdt = true; + ret = asprintf(&entry->spev, "%s:%s=%s", sdtgrp, + note->name, note->name); + if (ret < 0) + break; + entry->pev.event = strdup(note->name); + entry->pev.group = strdup(sdtgrp); + list_add_tail(&entry->node, &pcache->entries); + } + ret = asprintf(&buf, "p:%s/%s %s:0x%llx", + sdtgrp, note->name, pathname, + sdt_note__get_addr(note)); + if (ret < 0) + break; + strlist__add(entry->tevlist, buf); + free(buf); + entry = NULL; + } + if (entry) { + list_del_init(&entry->node); + probe_cache_entry__delete(entry); + } + cleanup_sdt_note_list(&sdtlist); + return ret; +} +#endif + +static int probe_cache_entry__write(struct probe_cache_entry *entry, int fd) +{ + struct str_node *snode; + struct stat st; + struct iovec iov[3]; + const char *prefix = entry->sdt ? "%" : "#"; + int ret; + /* Save stat for rollback */ + ret = fstat(fd, &st); + if (ret < 0) + return ret; + + pr_debug("Writing cache: %s%s\n", prefix, entry->spev); + iov[0].iov_base = (void *)prefix; iov[0].iov_len = 1; + iov[1].iov_base = entry->spev; iov[1].iov_len = strlen(entry->spev); + iov[2].iov_base = (void *)"\n"; iov[2].iov_len = 1; + ret = writev(fd, iov, 3); + if (ret < (int)iov[1].iov_len + 2) + goto rollback; + + strlist__for_each_entry(snode, entry->tevlist) { + iov[0].iov_base = (void *)snode->s; + iov[0].iov_len = strlen(snode->s); + iov[1].iov_base = (void *)"\n"; iov[1].iov_len = 1; + ret = writev(fd, iov, 2); + if (ret < (int)iov[0].iov_len + 1) + goto rollback; + } + return 0; + +rollback: + /* Rollback to avoid cache file corruption */ + if (ret > 0) + ret = -1; + if (ftruncate(fd, st.st_size) < 0) + ret = -2; + + return ret; +} + +int probe_cache__commit(struct probe_cache *pcache) +{ + struct probe_cache_entry *entry; + int ret = 0; + + /* TBD: if we do not update existing entries, skip it */ + ret = lseek(pcache->fd, 0, SEEK_SET); + if (ret < 0) + goto out; + + ret = ftruncate(pcache->fd, 0); + if (ret < 0) + goto out; + + for_each_probe_cache_entry(entry, pcache) { + ret = probe_cache_entry__write(entry, pcache->fd); + pr_debug("Cache committed: %d\n", ret); + if (ret < 0) + break; + } +out: + return ret; +} + +static bool probe_cache_entry__compare(struct probe_cache_entry *entry, + struct strfilter *filter) +{ + char buf[128], *ptr = entry->spev; + + if (entry->pev.event) { + snprintf(buf, 128, "%s:%s", entry->pev.group, entry->pev.event); + ptr = buf; + } + return strfilter__compare(filter, ptr); +} + +int probe_cache__filter_purge(struct probe_cache *pcache, + struct strfilter *filter) +{ + struct probe_cache_entry *entry, *tmp; + + list_for_each_entry_safe(entry, tmp, &pcache->entries, node) { + if (probe_cache_entry__compare(entry, filter)) { + pr_info("Removed cached event: %s\n", entry->spev); + list_del_init(&entry->node); + probe_cache_entry__delete(entry); + } + } + return 0; +} + +static int probe_cache__show_entries(struct probe_cache *pcache, + struct strfilter *filter) +{ + struct probe_cache_entry *entry; + + for_each_probe_cache_entry(entry, pcache) { + if (probe_cache_entry__compare(entry, filter)) + printf("%s\n", entry->spev); + } + return 0; +} + +/* Show all cached probes */ +int probe_cache__show_all_caches(struct strfilter *filter) +{ + struct probe_cache *pcache; + struct strlist *bidlist; + struct str_node *nd; + char *buf = strfilter__string(filter); + + pr_debug("list cache with filter: %s\n", buf); + free(buf); + + bidlist = build_id_cache__list_all(true); + if (!bidlist) { + pr_debug("Failed to get buildids: %d\n", errno); + return -EINVAL; + } + strlist__for_each_entry(nd, bidlist) { + pcache = probe_cache__new(nd->s); + if (!pcache) + continue; + if (!list_empty(&pcache->entries)) { + buf = build_id_cache__origname(nd->s); + printf("%s (%s):\n", buf, nd->s); + free(buf); + probe_cache__show_entries(pcache, filter); + } + probe_cache__delete(pcache); + } + strlist__delete(bidlist); + + return 0; +} diff --git a/tools/perf/util/probe-file.h b/tools/perf/util/probe-file.h index 18ac9cf51c34..9577b5c0b487 100644 --- a/tools/perf/util/probe-file.h +++ b/tools/perf/util/probe-file.h @@ -5,9 +5,27 @@ #include "strfilter.h" #include "probe-event.h" +/* Cache of probe definitions */ +struct probe_cache_entry { + struct list_head node; + bool sdt; + struct perf_probe_event pev; + char *spev; + struct strlist *tevlist; +}; + +struct probe_cache { + int fd; + struct list_head entries; +}; + #define PF_FL_UPROBE 1 #define PF_FL_RW 2 +#define for_each_probe_cache_entry(entry, pcache) \ + list_for_each_entry(entry, &pcache->entries, node) +/* probe-file.c depends on libelf */ +#ifdef HAVE_LIBELF_SUPPORT int probe_file__open(int flag); int probe_file__open_both(int *kfd, int *ufd, int flag); struct strlist *probe_file__get_namelist(int fd); @@ -18,5 +36,29 @@ int probe_file__get_events(int fd, struct strfilter *filter, struct strlist *plist); int probe_file__del_strlist(int fd, struct strlist *namelist); +int probe_cache_entry__get_event(struct probe_cache_entry *entry, + struct probe_trace_event **tevs); +struct probe_cache *probe_cache__new(const char *target); +int probe_cache__add_entry(struct probe_cache *pcache, + struct perf_probe_event *pev, + struct probe_trace_event *tevs, int ntevs); +int probe_cache__scan_sdt(struct probe_cache *pcache, const char *pathname); +int probe_cache__commit(struct probe_cache *pcache); +void probe_cache__purge(struct probe_cache *pcache); +void probe_cache__delete(struct probe_cache *pcache); +int probe_cache__filter_purge(struct probe_cache *pcache, + struct strfilter *filter); +struct probe_cache_entry *probe_cache__find(struct probe_cache *pcache, + struct perf_probe_event *pev); +struct probe_cache_entry *probe_cache__find_by_name(struct probe_cache *pcache, + const char *group, const char *event); +int probe_cache__show_all_caches(struct strfilter *filter); +#else /* ! HAVE_LIBELF_SUPPORT */ +static inline struct probe_cache *probe_cache__new(const char *tgt __maybe_unused) +{ + return NULL; +} +#define probe_cache__delete(pcache) do {} while (0) +#endif #endif diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index 1259839dbf6d..f2d9ff064e2d 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -381,7 +381,7 @@ formatted: if (ret >= 16) ret = -E2BIG; pr_warning("Failed to convert variable type: %s\n", - strerror_r(-ret, sbuf, sizeof(sbuf))); + str_error_r(-ret, sbuf, sizeof(sbuf))); return ret; } tvar->type = strdup(buf); @@ -809,7 +809,7 @@ static int find_lazy_match_lines(struct intlist *list, fp = fopen(fname, "r"); if (!fp) { pr_warning("Failed to open %s: %s\n", fname, - strerror_r(errno, sbuf, sizeof(sbuf))); + str_error_r(errno, sbuf, sizeof(sbuf))); return -errno; } diff --git a/tools/perf/util/python-ext-sources b/tools/perf/util/python-ext-sources index 36c6862119e3..5065ec98049c 100644 --- a/tools/perf/util/python-ext-sources +++ b/tools/perf/util/python-ext-sources @@ -13,6 +13,8 @@ util/cpumap.c ../lib/bitmap.c ../lib/find_bit.c ../lib/hweight.c +../lib/str_error_r.c +../lib/vsprintf.c util/thread_map.c util/util.c util/xyarray.c diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 98f127abfa42..a5fbc012e3df 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -2,6 +2,7 @@ #include <structmember.h> #include <inttypes.h> #include <poll.h> +#include <linux/err.h> #include "evlist.h" #include "evsel.h" #include "event.h" @@ -47,6 +48,7 @@ PyMODINIT_FUNC initperf(void); struct pyrf_event { PyObject_HEAD + struct perf_evsel *evsel; struct perf_sample sample; union perf_event event; }; @@ -288,6 +290,85 @@ static PyObject *pyrf_sample_event__repr(struct pyrf_event *pevent) return ret; } +static bool is_tracepoint(struct pyrf_event *pevent) +{ + return pevent->evsel->attr.type == PERF_TYPE_TRACEPOINT; +} + +static PyObject* +tracepoint_field(struct pyrf_event *pe, struct format_field *field) +{ + struct pevent *pevent = field->event->pevent; + void *data = pe->sample.raw_data; + PyObject *ret = NULL; + unsigned long long val; + unsigned int offset, len; + + if (field->flags & FIELD_IS_ARRAY) { + offset = field->offset; + len = field->size; + if (field->flags & FIELD_IS_DYNAMIC) { + val = pevent_read_number(pevent, data + offset, len); + offset = val; + len = offset >> 16; + offset &= 0xffff; + } + if (field->flags & FIELD_IS_STRING && + is_printable_array(data + offset, len)) { + ret = PyString_FromString((char *)data + offset); + } else { + ret = PyByteArray_FromStringAndSize((const char *) data + offset, len); + field->flags &= ~FIELD_IS_STRING; + } + } else { + val = pevent_read_number(pevent, data + field->offset, + field->size); + if (field->flags & FIELD_IS_POINTER) + ret = PyLong_FromUnsignedLong((unsigned long) val); + else if (field->flags & FIELD_IS_SIGNED) + ret = PyLong_FromLong((long) val); + else + ret = PyLong_FromUnsignedLong((unsigned long) val); + } + + return ret; +} + +static PyObject* +get_tracepoint_field(struct pyrf_event *pevent, PyObject *attr_name) +{ + const char *str = PyString_AsString(PyObject_Str(attr_name)); + struct perf_evsel *evsel = pevent->evsel; + struct format_field *field; + + if (!evsel->tp_format) { + struct event_format *tp_format; + + tp_format = trace_event__tp_format_id(evsel->attr.config); + if (!tp_format) + return NULL; + + evsel->tp_format = tp_format; + } + + field = pevent_find_any_field(evsel->tp_format, str); + if (!field) + return NULL; + + return tracepoint_field(pevent, field); +} + +static PyObject* +pyrf_sample_event__getattro(struct pyrf_event *pevent, PyObject *attr_name) +{ + PyObject *obj = NULL; + + if (is_tracepoint(pevent)) + obj = get_tracepoint_field(pevent, attr_name); + + return obj ?: PyObject_GenericGetAttr((PyObject *) pevent, attr_name); +} + static PyTypeObject pyrf_sample_event__type = { PyVarObject_HEAD_INIT(NULL, 0) .tp_name = "perf.sample_event", @@ -296,6 +377,7 @@ static PyTypeObject pyrf_sample_event__type = { .tp_doc = pyrf_sample_event__doc, .tp_members = pyrf_sample_event__members, .tp_repr = (reprfunc)pyrf_sample_event__repr, + .tp_getattro = (getattrofunc) pyrf_sample_event__getattro, }; static char pyrf_context_switch_event__doc[] = PyDoc_STR("perf context_switch event object."); @@ -653,6 +735,7 @@ static int pyrf_evsel__init(struct pyrf_evsel *pevsel, attr.precise_ip = precise_ip; attr.mmap_data = mmap_data; attr.sample_id_all = sample_id_all; + attr.size = sizeof(attr); perf_evsel__init(&pevsel->evsel, &attr, idx); return 0; @@ -863,13 +946,22 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist, if (event != NULL) { PyObject *pyevent = pyrf_event__new(event); struct pyrf_event *pevent = (struct pyrf_event *)pyevent; - - perf_evlist__mmap_consume(evlist, cpu); + struct perf_evsel *evsel; if (pyevent == NULL) return PyErr_NoMemory(); - err = perf_evlist__parse_sample(evlist, event, &pevent->sample); + evsel = perf_evlist__event2evsel(evlist, event); + if (!evsel) + return Py_None; + + pevent->evsel = evsel; + + err = perf_evsel__parse_sample(evsel, event, &pevent->sample); + + /* Consume the even only after we parsed it out. */ + perf_evlist__mmap_consume(evlist, cpu); + if (err) return PyErr_Format(PyExc_OSError, "perf: can't parse sample, err=%d", err); @@ -957,7 +1049,7 @@ static PyObject *pyrf_evlist__item(PyObject *obj, Py_ssize_t i) if (i >= pevlist->evlist.nr_entries) return NULL; - evlist__for_each(&pevlist->evlist, pos) { + evlist__for_each_entry(&pevlist->evlist, pos) { if (i-- == 0) break; } @@ -1073,7 +1165,32 @@ static struct { { .name = NULL, }, }; +static PyObject *pyrf__tracepoint(struct pyrf_evsel *pevsel, + PyObject *args, PyObject *kwargs) +{ + struct event_format *tp_format; + static char *kwlist[] = { "sys", "name", NULL }; + char *sys = NULL; + char *name = NULL; + + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ss", kwlist, + &sys, &name)) + return NULL; + + tp_format = trace_event__tp_format(sys, name); + if (IS_ERR(tp_format)) + return PyInt_FromLong(-1); + + return PyInt_FromLong(tp_format->id); +} + static PyMethodDef perf__methods[] = { + { + .ml_name = "tracepoint", + .ml_meth = (PyCFunction) pyrf__tracepoint, + .ml_flags = METH_VARARGS | METH_KEYWORDS, + .ml_doc = PyDoc_STR("Get tracepoint config.") + }, { .ml_name = NULL, } }; @@ -1100,6 +1217,33 @@ PyMODINIT_FUNC initperf(void) Py_INCREF(&pyrf_evsel__type); PyModule_AddObject(module, "evsel", (PyObject*)&pyrf_evsel__type); + Py_INCREF(&pyrf_mmap_event__type); + PyModule_AddObject(module, "mmap_event", (PyObject *)&pyrf_mmap_event__type); + + Py_INCREF(&pyrf_lost_event__type); + PyModule_AddObject(module, "lost_event", (PyObject *)&pyrf_lost_event__type); + + Py_INCREF(&pyrf_comm_event__type); + PyModule_AddObject(module, "comm_event", (PyObject *)&pyrf_comm_event__type); + + Py_INCREF(&pyrf_task_event__type); + PyModule_AddObject(module, "task_event", (PyObject *)&pyrf_task_event__type); + + Py_INCREF(&pyrf_throttle_event__type); + PyModule_AddObject(module, "throttle_event", (PyObject *)&pyrf_throttle_event__type); + + Py_INCREF(&pyrf_task_event__type); + PyModule_AddObject(module, "task_event", (PyObject *)&pyrf_task_event__type); + + Py_INCREF(&pyrf_read_event__type); + PyModule_AddObject(module, "read_event", (PyObject *)&pyrf_read_event__type); + + Py_INCREF(&pyrf_sample_event__type); + PyModule_AddObject(module, "sample_event", (PyObject *)&pyrf_sample_event__type); + + Py_INCREF(&pyrf_context_switch_event__type); + PyModule_AddObject(module, "switch_event", (PyObject *)&pyrf_context_switch_event__type); + Py_INCREF(&pyrf_thread_map__type); PyModule_AddObject(module, "thread_map", (PyObject*)&pyrf_thread_map__type); diff --git a/tools/perf/util/quote.c b/tools/perf/util/quote.c index c6d4ee2de752..639d1da2f978 100644 --- a/tools/perf/util/quote.c +++ b/tools/perf/util/quote.c @@ -1,5 +1,7 @@ -#include "cache.h" +#include <stdlib.h> +#include "strbuf.h" #include "quote.h" +#include "util.h" /* Help to copy the thing properly quoted for the shell safety. * any single quote is replaced with '\'', any exclamation point diff --git a/tools/perf/util/quote.h b/tools/perf/util/quote.h index e1ec19146fb0..055ca45bed99 100644 --- a/tools/perf/util/quote.h +++ b/tools/perf/util/quote.h @@ -2,7 +2,6 @@ #define __PERF_QUOTE_H #include <stddef.h> -#include <stdio.h> /* Help to copy the thing properly quoted for the shell safety. * any single quote is replaced with '\'', any exclamation point @@ -24,6 +23,8 @@ * sq_quote() in a real application. */ +struct strbuf; + int sq_quote_argv(struct strbuf *, const char **argv, size_t maxlen); #endif /* __PERF_QUOTE_H */ diff --git a/tools/perf/util/rb_resort.h b/tools/perf/util/rb_resort.h index abc76e3d3098..808cc45611fe 100644 --- a/tools/perf/util/rb_resort.h +++ b/tools/perf/util/rb_resort.h @@ -35,7 +35,7 @@ DEFINE_RB_RESORT_RB(threads, strcmp(a->thread->shortname, struct rb_node *nd; - resort_rb__for_each(nd, threads) { + resort_rb__for_each_entry(nd, threads) { struct thread *t = threads_entry; printf("%s: %d\n", t->shortname, t->tid); } @@ -123,7 +123,7 @@ static void __name##_sorted__init_entry(struct rb_node *nd, \ struct __name##_sorted_entry *__name##_entry; \ struct __name##_sorted *__name = __name##_sorted__new -#define resort_rb__for_each(__nd, __name) \ +#define resort_rb__for_each_entry(__nd, __name) \ for (__nd = rb_first(&__name->entries); \ __name##_entry = rb_entry(__nd, struct __name##_sorted_entry, \ rb_node), __nd; \ diff --git a/tools/perf/util/record.c b/tools/perf/util/record.c index 481792c7484b..98bf584853ea 100644 --- a/tools/perf/util/record.c +++ b/tools/perf/util/record.c @@ -148,7 +148,7 @@ void perf_evlist__config(struct perf_evlist *evlist, struct record_opts *opts, use_comm_exec = perf_can_comm_exec(); - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { perf_evsel__config(evsel, opts, callchain); if (evsel->tracking && use_comm_exec) evsel->attr.comm_exec = 1; @@ -161,18 +161,18 @@ void perf_evlist__config(struct perf_evlist *evlist, struct record_opts *opts, * match the id. */ use_sample_identifier = perf_can_sample_identifier(); - evlist__for_each(evlist, evsel) + evlist__for_each_entry(evlist, evsel) perf_evsel__set_sample_id(evsel, use_sample_identifier); } else if (evlist->nr_entries > 1) { struct perf_evsel *first = perf_evlist__first(evlist); - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (evsel->attr.sample_type == first->attr.sample_type) continue; use_sample_identifier = perf_can_sample_identifier(); break; } - evlist__for_each(evlist, evsel) + evlist__for_each_entry(evlist, evsel) perf_evsel__set_sample_id(evsel, use_sample_identifier); } diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index ff134700bf30..e0203b979474 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -273,7 +273,7 @@ static PyObject *get_field_numeric_entry(struct event_format *event, struct format_field *field, void *data) { bool is_array = field->flags & FIELD_IS_ARRAY; - PyObject *obj, *list = NULL; + PyObject *obj = NULL, *list = NULL; unsigned long long val; unsigned int item_size, n_items, i; @@ -386,13 +386,12 @@ exit: return pylist; } - static void python_process_tracepoint(struct perf_sample *sample, struct perf_evsel *evsel, struct addr_location *al) { struct event_format *event = evsel->tp_format; - PyObject *handler, *context, *t, *obj, *callchain; + PyObject *handler, *context, *t, *obj = NULL, *callchain; PyObject *dict = NULL; static char handler_name[256]; struct format_field *field; @@ -457,14 +456,26 @@ static void python_process_tracepoint(struct perf_sample *sample, pydict_set_item_string_decref(dict, "common_callchain", callchain); } for (field = event->format.fields; field; field = field->next) { - if (field->flags & FIELD_IS_STRING) { - int offset; + unsigned int offset, len; + unsigned long long val; + + if (field->flags & FIELD_IS_ARRAY) { + offset = field->offset; + len = field->size; if (field->flags & FIELD_IS_DYNAMIC) { - offset = *(int *)(data + field->offset); + val = pevent_read_number(scripting_context->pevent, + data + offset, len); + offset = val; + len = offset >> 16; offset &= 0xffff; - } else - offset = field->offset; - obj = PyString_FromString((char *)data + offset); + } + if (field->flags & FIELD_IS_STRING && + is_printable_array(data + offset, len)) { + obj = PyString_FromString((char *) data + offset); + } else { + obj = PyByteArray_FromStringAndSize((const char *) data + offset, len); + field->flags &= ~FIELD_IS_STRING; + } } else { /* FIELD_IS_NUMERIC */ obj = get_field_numeric_entry(event, field, data); } diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 5214974e841a..5d61242a6e64 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -83,7 +83,7 @@ static bool perf_session__has_comm_exec(struct perf_session *session) { struct perf_evsel *evsel; - evlist__for_each(session->evlist, evsel) { + evlist__for_each_entry(session->evlist, evsel) { if (evsel->attr.comm_exec) return true; } @@ -178,6 +178,8 @@ static void perf_session__delete_threads(struct perf_session *session) void perf_session__delete(struct perf_session *session) { + if (session == NULL) + return; auxtrace__free(session); auxtrace_index__free(&session->auxtrace_index); perf_session__destroy_kernel_maps(session); @@ -593,6 +595,7 @@ do { \ if (bswap_safe(f, 0)) \ attr->f = bswap_##sz(attr->f); \ } while(0) +#define bswap_field_16(f) bswap_field(f, 16) #define bswap_field_32(f) bswap_field(f, 32) #define bswap_field_64(f) bswap_field(f, 64) @@ -608,6 +611,7 @@ do { \ bswap_field_64(sample_regs_user); bswap_field_32(sample_stack_user); bswap_field_32(aux_watermark); + bswap_field_16(sample_max_stack); /* * After read_format are bitfields. Check read_format because @@ -1495,10 +1499,27 @@ int perf_session__register_idle_thread(struct perf_session *session) return err; } +static void +perf_session__warn_order(const struct perf_session *session) +{ + const struct ordered_events *oe = &session->ordered_events; + struct perf_evsel *evsel; + bool should_warn = true; + + evlist__for_each_entry(session->evlist, evsel) { + if (evsel->attr.write_backward) + should_warn = false; + } + + if (!should_warn) + return; + if (oe->nr_unordered_events != 0) + ui__warning("%u out of order events recorded.\n", oe->nr_unordered_events); +} + static void perf_session__warn_about_errors(const struct perf_session *session) { const struct events_stats *stats = &session->evlist->stats; - const struct ordered_events *oe = &session->ordered_events; if (session->tool->lost == perf_event__process_lost && stats->nr_events[PERF_RECORD_LOST] != 0) { @@ -1555,8 +1576,7 @@ static void perf_session__warn_about_errors(const struct perf_session *session) stats->nr_unprocessable_samples); } - if (oe->nr_unordered_events != 0) - ui__warning("%u out of order events recorded.\n", oe->nr_unordered_events); + perf_session__warn_order(session); events_stats__auxtrace_error_warn(stats); @@ -1868,7 +1888,7 @@ bool perf_session__has_traces(struct perf_session *session, const char *msg) { struct perf_evsel *evsel; - evlist__for_each(session->evlist, evsel) { + evlist__for_each_entry(session->evlist, evsel) { if (evsel->attr.type == PERF_TYPE_TRACEPOINT) return true; } @@ -1950,7 +1970,7 @@ struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, { struct perf_evsel *pos; - evlist__for_each(session->evlist, pos) { + evlist__for_each_entry(session->evlist, pos) { if (pos->attr.type == type) return pos; } @@ -2105,7 +2125,7 @@ int perf_event__synthesize_id_index(struct perf_tool *tool, max_nr = (UINT16_MAX - sizeof(struct id_index_event)) / sizeof(struct id_index_entry); - evlist__for_each(evlist, evsel) + evlist__for_each_entry(evlist, evsel) nr += evsel->ids; n = nr > max_nr ? max_nr : nr; @@ -2118,7 +2138,7 @@ int perf_event__synthesize_id_index(struct perf_tool *tool, ev->id_index.header.size = sz; ev->id_index.nr = n; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { u32 j; for (j = 0; j < evsel->ids; j++) { diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index c4e9bd70723c..947d21f38398 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -79,8 +79,8 @@ static int hist_entry__thread_snprintf(struct hist_entry *he, char *bf, { const char *comm = thread__comm_str(he->thread); - width = max(7U, width) - 6; - return repsep_snprintf(bf, size, "%5d:%-*.*s", he->thread->tid, + width = max(7U, width) - 8; + return repsep_snprintf(bf, size, "%7d:%-*.*s", he->thread->tid, width, width, comm ?: ""); } @@ -95,7 +95,7 @@ static int hist_entry__thread_filter(struct hist_entry *he, int type, const void } struct sort_entry sort_thread = { - .se_header = " Pid:Command", + .se_header = " Pid:Command", .se_cmp = sort__thread_cmp, .se_snprintf = hist_entry__thread_snprintf, .se_filter = hist_entry__thread_filter, @@ -1218,7 +1218,7 @@ struct sort_entry sort_mem_daddr_dso = { .se_header = "Data Object", .se_cmp = sort__dso_daddr_cmp, .se_snprintf = hist_entry__dso_daddr_snprintf, - .se_width_idx = HISTC_MEM_DADDR_SYMBOL, + .se_width_idx = HISTC_MEM_DADDR_DSO, }; struct sort_entry sort_mem_locked = { @@ -1488,7 +1488,7 @@ void perf_hpp__reset_sort_width(struct perf_hpp_fmt *fmt, struct hists *hists) } static int __sort__hpp_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, - struct perf_evsel *evsel) + struct hists *hists) { struct hpp_sort_entry *hse; size_t len = fmt->user_len; @@ -1496,14 +1496,14 @@ static int __sort__hpp_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, hse = container_of(fmt, struct hpp_sort_entry, hpp); if (!len) - len = hists__col_len(evsel__hists(evsel), hse->se->se_width_idx); + len = hists__col_len(hists, hse->se->se_width_idx); return scnprintf(hpp->buf, hpp->size, "%-*.*s", len, len, fmt->name); } static int __sort__hpp_width(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp __maybe_unused, - struct perf_evsel *evsel) + struct hists *hists) { struct hpp_sort_entry *hse; size_t len = fmt->user_len; @@ -1511,7 +1511,7 @@ static int __sort__hpp_width(struct perf_hpp_fmt *fmt, hse = container_of(fmt, struct hpp_sort_entry, hpp); if (!len) - len = hists__col_len(evsel__hists(evsel), hse->se->se_width_idx); + len = hists__col_len(hists, hse->se->se_width_idx); return len; } @@ -1793,7 +1793,7 @@ static void update_dynamic_len(struct hpp_dynamic_entry *hde, } static int __sort__hde_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, - struct perf_evsel *evsel __maybe_unused) + struct hists *hists __maybe_unused) { struct hpp_dynamic_entry *hde; size_t len = fmt->user_len; @@ -1808,7 +1808,7 @@ static int __sort__hde_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, static int __sort__hde_width(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp __maybe_unused, - struct perf_evsel *evsel __maybe_unused) + struct hists *hists __maybe_unused) { struct hpp_dynamic_entry *hde; size_t len = fmt->user_len; @@ -2069,7 +2069,7 @@ static struct perf_evsel *find_evsel(struct perf_evlist *evlist, char *event_nam } full_name = !!strchr(event_name, ':'); - evlist__for_each(evlist, pos) { + evlist__for_each_entry(evlist, pos) { /* case 2 */ if (full_name && !strcmp(pos->name, event_name)) return pos; @@ -2125,7 +2125,7 @@ static int add_all_dynamic_fields(struct perf_evlist *evlist, bool raw_trace, int ret; struct perf_evsel *evsel; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (evsel->attr.type != PERF_TYPE_TRACEPOINT) continue; @@ -2143,7 +2143,7 @@ static int add_all_matching_fields(struct perf_evlist *evlist, struct perf_evsel *evsel; struct format_field *field; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (evsel->attr.type != PERF_TYPE_TRACEPOINT) continue; @@ -2381,6 +2381,9 @@ static int sort_dimension__add(struct perf_hpp_list *list, const char *tok, if (sort__mode != SORT_MODE__MEMORY) return -EINVAL; + if (sd->entry == &sort_mem_dcacheline && cacheline_size == 0) + return -EINVAL; + if (sd->entry == &sort_mem_daddr_sym) list->sym = 1; @@ -2424,7 +2427,10 @@ static int setup_sort_list(struct perf_hpp_list *list, char *str, if (*tok) { ret = sort_dimension__add(list, tok, evlist, level); if (ret == -EINVAL) { - error("Invalid --sort key: `%s'", tok); + if (!cacheline_size && !strncasecmp(tok, "dcacheline", strlen(tok))) + error("The \"dcacheline\" --sort key needs to know the cacheline size and it couldn't be determined on this system"); + else + error("Invalid --sort key: `%s'", tok); break; } else if (ret == -ESRCH) { error("Unknown --sort key: `%s'", tok); @@ -2456,7 +2462,7 @@ static const char *get_default_sort_order(struct perf_evlist *evlist) if (evlist == NULL) goto out_no_evlist; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (evsel->attr.type != PERF_TYPE_TRACEPOINT) { use_trace = false; break; diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index ebb59cacd092..7ca37ea17395 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -67,6 +67,11 @@ struct hist_entry_diff { }; }; +struct hist_entry_ops { + void *(*new)(size_t size); + void (*free)(void *ptr); +}; + /** * struct hist_entry - histogram entry * @@ -125,6 +130,7 @@ struct hist_entry { void *trace_output; struct perf_hpp_list *hpp_list; struct hist_entry *parent_he; + struct hist_entry_ops *ops; union { /* this is for hierarchical entry structure */ struct { diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c index aa9efe08762b..8a2bbd2a4d82 100644 --- a/tools/perf/util/stat-shadow.c +++ b/tools/perf/util/stat-shadow.c @@ -36,6 +36,11 @@ static struct stats runtime_dtlb_cache_stats[NUM_CTX][MAX_NR_CPUS]; static struct stats runtime_cycles_in_tx_stats[NUM_CTX][MAX_NR_CPUS]; static struct stats runtime_transaction_stats[NUM_CTX][MAX_NR_CPUS]; static struct stats runtime_elision_stats[NUM_CTX][MAX_NR_CPUS]; +static struct stats runtime_topdown_total_slots[NUM_CTX][MAX_NR_CPUS]; +static struct stats runtime_topdown_slots_issued[NUM_CTX][MAX_NR_CPUS]; +static struct stats runtime_topdown_slots_retired[NUM_CTX][MAX_NR_CPUS]; +static struct stats runtime_topdown_fetch_bubbles[NUM_CTX][MAX_NR_CPUS]; +static struct stats runtime_topdown_recovery_bubbles[NUM_CTX][MAX_NR_CPUS]; static bool have_frontend_stalled; struct stats walltime_nsecs_stats; @@ -82,6 +87,11 @@ void perf_stat__reset_shadow_stats(void) sizeof(runtime_transaction_stats)); memset(runtime_elision_stats, 0, sizeof(runtime_elision_stats)); memset(&walltime_nsecs_stats, 0, sizeof(walltime_nsecs_stats)); + memset(runtime_topdown_total_slots, 0, sizeof(runtime_topdown_total_slots)); + memset(runtime_topdown_slots_retired, 0, sizeof(runtime_topdown_slots_retired)); + memset(runtime_topdown_slots_issued, 0, sizeof(runtime_topdown_slots_issued)); + memset(runtime_topdown_fetch_bubbles, 0, sizeof(runtime_topdown_fetch_bubbles)); + memset(runtime_topdown_recovery_bubbles, 0, sizeof(runtime_topdown_recovery_bubbles)); } /* @@ -105,6 +115,16 @@ void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 *count, update_stats(&runtime_transaction_stats[ctx][cpu], count[0]); else if (perf_stat_evsel__is(counter, ELISION_START)) update_stats(&runtime_elision_stats[ctx][cpu], count[0]); + else if (perf_stat_evsel__is(counter, TOPDOWN_TOTAL_SLOTS)) + update_stats(&runtime_topdown_total_slots[ctx][cpu], count[0]); + else if (perf_stat_evsel__is(counter, TOPDOWN_SLOTS_ISSUED)) + update_stats(&runtime_topdown_slots_issued[ctx][cpu], count[0]); + else if (perf_stat_evsel__is(counter, TOPDOWN_SLOTS_RETIRED)) + update_stats(&runtime_topdown_slots_retired[ctx][cpu], count[0]); + else if (perf_stat_evsel__is(counter, TOPDOWN_FETCH_BUBBLES)) + update_stats(&runtime_topdown_fetch_bubbles[ctx][cpu],count[0]); + else if (perf_stat_evsel__is(counter, TOPDOWN_RECOVERY_BUBBLES)) + update_stats(&runtime_topdown_recovery_bubbles[ctx][cpu], count[0]); else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_FRONTEND)) update_stats(&runtime_stalled_cycles_front_stats[ctx][cpu], count[0]); else if (perf_evsel__match(counter, HARDWARE, HW_STALLED_CYCLES_BACKEND)) @@ -302,6 +322,107 @@ static void print_ll_cache_misses(int cpu, out->print_metric(out->ctx, color, "%7.2f%%", "of all LL-cache hits", ratio); } +/* + * High level "TopDown" CPU core pipe line bottleneck break down. + * + * Basic concept following + * Yasin, A Top Down Method for Performance analysis and Counter architecture + * ISPASS14 + * + * The CPU pipeline is divided into 4 areas that can be bottlenecks: + * + * Frontend -> Backend -> Retiring + * BadSpeculation in addition means out of order execution that is thrown away + * (for example branch mispredictions) + * Frontend is instruction decoding. + * Backend is execution, like computation and accessing data in memory + * Retiring is good execution that is not directly bottlenecked + * + * The formulas are computed in slots. + * A slot is an entry in the pipeline each for the pipeline width + * (for example a 4-wide pipeline has 4 slots for each cycle) + * + * Formulas: + * BadSpeculation = ((SlotsIssued - SlotsRetired) + RecoveryBubbles) / + * TotalSlots + * Retiring = SlotsRetired / TotalSlots + * FrontendBound = FetchBubbles / TotalSlots + * BackendBound = 1.0 - BadSpeculation - Retiring - FrontendBound + * + * The kernel provides the mapping to the low level CPU events and any scaling + * needed for the CPU pipeline width, for example: + * + * TotalSlots = Cycles * 4 + * + * The scaling factor is communicated in the sysfs unit. + * + * In some cases the CPU may not be able to measure all the formulas due to + * missing events. In this case multiple formulas are combined, as possible. + * + * Full TopDown supports more levels to sub-divide each area: for example + * BackendBound into computing bound and memory bound. For now we only + * support Level 1 TopDown. + */ + +static double sanitize_val(double x) +{ + if (x < 0 && x >= -0.02) + return 0.0; + return x; +} + +static double td_total_slots(int ctx, int cpu) +{ + return avg_stats(&runtime_topdown_total_slots[ctx][cpu]); +} + +static double td_bad_spec(int ctx, int cpu) +{ + double bad_spec = 0; + double total_slots; + double total; + + total = avg_stats(&runtime_topdown_slots_issued[ctx][cpu]) - + avg_stats(&runtime_topdown_slots_retired[ctx][cpu]) + + avg_stats(&runtime_topdown_recovery_bubbles[ctx][cpu]); + total_slots = td_total_slots(ctx, cpu); + if (total_slots) + bad_spec = total / total_slots; + return sanitize_val(bad_spec); +} + +static double td_retiring(int ctx, int cpu) +{ + double retiring = 0; + double total_slots = td_total_slots(ctx, cpu); + double ret_slots = avg_stats(&runtime_topdown_slots_retired[ctx][cpu]); + + if (total_slots) + retiring = ret_slots / total_slots; + return retiring; +} + +static double td_fe_bound(int ctx, int cpu) +{ + double fe_bound = 0; + double total_slots = td_total_slots(ctx, cpu); + double fetch_bub = avg_stats(&runtime_topdown_fetch_bubbles[ctx][cpu]); + + if (total_slots) + fe_bound = fetch_bub / total_slots; + return fe_bound; +} + +static double td_be_bound(int ctx, int cpu) +{ + double sum = (td_fe_bound(ctx, cpu) + + td_bad_spec(ctx, cpu) + + td_retiring(ctx, cpu)); + if (sum == 0) + return 0; + return sanitize_val(1.0 - sum); +} + void perf_stat__print_shadow_stats(struct perf_evsel *evsel, double avg, int cpu, struct perf_stat_output_ctx *out) @@ -309,6 +430,7 @@ void perf_stat__print_shadow_stats(struct perf_evsel *evsel, void *ctxp = out->ctx; print_metric_t print_metric = out->print_metric; double total, ratio = 0.0, total2; + const char *color = NULL; int ctx = evsel_context(evsel); if (perf_evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS)) { @@ -452,6 +574,46 @@ void perf_stat__print_shadow_stats(struct perf_evsel *evsel, avg / ratio); else print_metric(ctxp, NULL, NULL, "CPUs utilized", 0); + } else if (perf_stat_evsel__is(evsel, TOPDOWN_FETCH_BUBBLES)) { + double fe_bound = td_fe_bound(ctx, cpu); + + if (fe_bound > 0.2) + color = PERF_COLOR_RED; + print_metric(ctxp, color, "%8.1f%%", "frontend bound", + fe_bound * 100.); + } else if (perf_stat_evsel__is(evsel, TOPDOWN_SLOTS_RETIRED)) { + double retiring = td_retiring(ctx, cpu); + + if (retiring > 0.7) + color = PERF_COLOR_GREEN; + print_metric(ctxp, color, "%8.1f%%", "retiring", + retiring * 100.); + } else if (perf_stat_evsel__is(evsel, TOPDOWN_RECOVERY_BUBBLES)) { + double bad_spec = td_bad_spec(ctx, cpu); + + if (bad_spec > 0.1) + color = PERF_COLOR_RED; + print_metric(ctxp, color, "%8.1f%%", "bad speculation", + bad_spec * 100.); + } else if (perf_stat_evsel__is(evsel, TOPDOWN_SLOTS_ISSUED)) { + double be_bound = td_be_bound(ctx, cpu); + const char *name = "backend bound"; + static int have_recovery_bubbles = -1; + + /* In case the CPU does not support topdown-recovery-bubbles */ + if (have_recovery_bubbles < 0) + have_recovery_bubbles = pmu_have_event("cpu", + "topdown-recovery-bubbles"); + if (!have_recovery_bubbles) + name = "backend bound/bad spec"; + + if (be_bound > 0.2) + color = PERF_COLOR_RED; + if (td_total_slots(ctx, cpu) > 0) + print_metric(ctxp, color, "%8.1f%%", name, + be_bound * 100.); + else + print_metric(ctxp, NULL, NULL, name, 0); } else if (runtime_nsecs_stats[cpu].n != 0) { char unit = 'M'; char unit_buf[10]; diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c index ffa1d0653861..39345c2ddfc2 100644 --- a/tools/perf/util/stat.c +++ b/tools/perf/util/stat.c @@ -79,6 +79,11 @@ static const char *id_str[PERF_STAT_EVSEL_ID__MAX] = { ID(TRANSACTION_START, cpu/tx-start/), ID(ELISION_START, cpu/el-start/), ID(CYCLES_IN_TX_CP, cpu/cycles-ct/), + ID(TOPDOWN_TOTAL_SLOTS, topdown-total-slots), + ID(TOPDOWN_SLOTS_ISSUED, topdown-slots-issued), + ID(TOPDOWN_SLOTS_RETIRED, topdown-slots-retired), + ID(TOPDOWN_FETCH_BUBBLES, topdown-fetch-bubbles), + ID(TOPDOWN_RECOVERY_BUBBLES, topdown-recovery-bubbles), }; #undef ID @@ -157,7 +162,7 @@ int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw) { struct perf_evsel *evsel; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { if (perf_evsel__alloc_stats(evsel, alloc_raw)) goto out_free; } @@ -173,7 +178,7 @@ void perf_evlist__free_stats(struct perf_evlist *evlist) { struct perf_evsel *evsel; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { perf_evsel__free_stat_priv(evsel); perf_evsel__free_counts(evsel); perf_evsel__free_prev_raw_counts(evsel); @@ -184,7 +189,7 @@ void perf_evlist__reset_stats(struct perf_evlist *evlist) { struct perf_evsel *evsel; - evlist__for_each(evlist, evsel) { + evlist__for_each_entry(evlist, evsel) { perf_evsel__reset_stat_priv(evsel); perf_evsel__reset_counts(evsel); } diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index 0150e786ccc7..c29bb94c48a4 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -17,6 +17,11 @@ enum perf_stat_evsel_id { PERF_STAT_EVSEL_ID__TRANSACTION_START, PERF_STAT_EVSEL_ID__ELISION_START, PERF_STAT_EVSEL_ID__CYCLES_IN_TX_CP, + PERF_STAT_EVSEL_ID__TOPDOWN_TOTAL_SLOTS, + PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_ISSUED, + PERF_STAT_EVSEL_ID__TOPDOWN_SLOTS_RETIRED, + PERF_STAT_EVSEL_ID__TOPDOWN_FETCH_BUBBLES, + PERF_STAT_EVSEL_ID__TOPDOWN_RECOVERY_BUBBLES, PERF_STAT_EVSEL_ID__MAX, }; diff --git a/tools/perf/util/strbuf.c b/tools/perf/util/strbuf.c index f95f682aa2b2..817593908d47 100644 --- a/tools/perf/util/strbuf.c +++ b/tools/perf/util/strbuf.c @@ -1,5 +1,5 @@ #include "debug.h" -#include "cache.h" +#include "util.h" #include <linux/kernel.h> int prefixcmp(const char *str, const char *prefix) diff --git a/tools/perf/util/strbuf.h b/tools/perf/util/strbuf.h index 54b409297d4a..b268a6648a5d 100644 --- a/tools/perf/util/strbuf.h +++ b/tools/perf/util/strbuf.h @@ -40,6 +40,9 @@ #include <assert.h> #include <stdarg.h> +#include <stddef.h> +#include <string.h> +#include <sys/types.h> extern char strbuf_slopbuf[]; struct strbuf { diff --git a/tools/perf/util/strlist.h b/tools/perf/util/strlist.h index ca990029e243..19207e50fce5 100644 --- a/tools/perf/util/strlist.h +++ b/tools/perf/util/strlist.h @@ -73,7 +73,7 @@ static inline struct str_node *strlist__next(struct str_node *sn) * @pos: the &struct str_node to use as a loop cursor. * @slist: the &struct strlist for loop. */ -#define strlist__for_each(pos, slist) \ +#define strlist__for_each_entry(pos, slist) \ for (pos = strlist__first(slist); pos; pos = strlist__next(pos)) /** @@ -83,7 +83,7 @@ static inline struct str_node *strlist__next(struct str_node *sn) * @n: another &struct str_node to use as temporary storage. * @slist: the &struct strlist for loop. */ -#define strlist__for_each_safe(pos, n, slist) \ +#define strlist__for_each_entry_safe(pos, n, slist) \ for (pos = strlist__first(slist), n = strlist__next(pos); pos;\ pos = n, n = strlist__next(n)) #endif /* __PERF_STRLIST_H */ diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index 87a297dd8901..a34321e9b44d 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -7,6 +7,7 @@ #include "symbol.h" #include "demangle-java.h" +#include "demangle-rust.h" #include "machine.h" #include "vdso.h" #include <symbol/kallsyms.h> @@ -16,6 +17,7 @@ #define EM_AARCH64 183 /* ARM 64 bit */ #endif +typedef Elf64_Nhdr GElf_Nhdr; #ifdef HAVE_CPLUS_DEMANGLE_SUPPORT extern char *cplus_demangle(const char *, int); @@ -54,6 +56,14 @@ static int elf_getphdrnum(Elf *elf, size_t *dst) } #endif +#ifndef HAVE_ELF_GETSHDRSTRNDX_SUPPORT +static int elf_getshdrstrndx(Elf *elf __maybe_unused, size_t *dst __maybe_unused) +{ + pr_err("%s: update your libelf to > 0.140, this one lacks elf_getshdrstrndx().\n", __func__); + return -1; +} +#endif + #ifndef NT_GNU_BUILD_ID #define NT_GNU_BUILD_ID 3 #endif @@ -1072,6 +1082,13 @@ new_symbol: demangled = bfd_demangle(NULL, elf_name, demangle_flags); if (demangled == NULL) demangled = java_demangle_sym(elf_name, JAVA_DEMANGLE_NORET); + else if (rust_is_mangled(demangled)) + /* + * Input to Rust demangling is the BFD-demangled + * name which it Rust-demangles in place. + */ + rust_demangle_sym(demangled); + if (demangled != NULL) elf_name = demangled; } @@ -1781,6 +1798,260 @@ void kcore_extract__delete(struct kcore_extract *kce) unlink(kce->extract_filename); } +#ifdef HAVE_GELF_GETNOTE_SUPPORT +/** + * populate_sdt_note : Parse raw data and identify SDT note + * @elf: elf of the opened file + * @data: raw data of a section with description offset applied + * @len: note description size + * @type: type of the note + * @sdt_notes: List to add the SDT note + * + * Responsible for parsing the @data in section .note.stapsdt in @elf and + * if its an SDT note, it appends to @sdt_notes list. + */ +static int populate_sdt_note(Elf **elf, const char *data, size_t len, + struct list_head *sdt_notes) +{ + const char *provider, *name; + struct sdt_note *tmp = NULL; + GElf_Ehdr ehdr; + GElf_Addr base_off = 0; + GElf_Shdr shdr; + int ret = -EINVAL; + + union { + Elf64_Addr a64[NR_ADDR]; + Elf32_Addr a32[NR_ADDR]; + } buf; + + Elf_Data dst = { + .d_buf = &buf, .d_type = ELF_T_ADDR, .d_version = EV_CURRENT, + .d_size = gelf_fsize((*elf), ELF_T_ADDR, NR_ADDR, EV_CURRENT), + .d_off = 0, .d_align = 0 + }; + Elf_Data src = { + .d_buf = (void *) data, .d_type = ELF_T_ADDR, + .d_version = EV_CURRENT, .d_size = dst.d_size, .d_off = 0, + .d_align = 0 + }; + + tmp = (struct sdt_note *)calloc(1, sizeof(struct sdt_note)); + if (!tmp) { + ret = -ENOMEM; + goto out_err; + } + + INIT_LIST_HEAD(&tmp->note_list); + + if (len < dst.d_size + 3) + goto out_free_note; + + /* Translation from file representation to memory representation */ + if (gelf_xlatetom(*elf, &dst, &src, + elf_getident(*elf, NULL)[EI_DATA]) == NULL) { + pr_err("gelf_xlatetom : %s\n", elf_errmsg(-1)); + goto out_free_note; + } + + /* Populate the fields of sdt_note */ + provider = data + dst.d_size; + + name = (const char *)memchr(provider, '\0', data + len - provider); + if (name++ == NULL) + goto out_free_note; + + tmp->provider = strdup(provider); + if (!tmp->provider) { + ret = -ENOMEM; + goto out_free_note; + } + tmp->name = strdup(name); + if (!tmp->name) { + ret = -ENOMEM; + goto out_free_prov; + } + + if (gelf_getclass(*elf) == ELFCLASS32) { + memcpy(&tmp->addr, &buf, 3 * sizeof(Elf32_Addr)); + tmp->bit32 = true; + } else { + memcpy(&tmp->addr, &buf, 3 * sizeof(Elf64_Addr)); + tmp->bit32 = false; + } + + if (!gelf_getehdr(*elf, &ehdr)) { + pr_debug("%s : cannot get elf header.\n", __func__); + ret = -EBADF; + goto out_free_name; + } + + /* Adjust the prelink effect : + * Find out the .stapsdt.base section. + * This scn will help us to handle prelinking (if present). + * Compare the retrieved file offset of the base section with the + * base address in the description of the SDT note. If its different, + * then accordingly, adjust the note location. + */ + if (elf_section_by_name(*elf, &ehdr, &shdr, SDT_BASE_SCN, NULL)) { + base_off = shdr.sh_offset; + if (base_off) { + if (tmp->bit32) + tmp->addr.a32[0] = tmp->addr.a32[0] + base_off - + tmp->addr.a32[1]; + else + tmp->addr.a64[0] = tmp->addr.a64[0] + base_off - + tmp->addr.a64[1]; + } + } + + list_add_tail(&tmp->note_list, sdt_notes); + return 0; + +out_free_name: + free(tmp->name); +out_free_prov: + free(tmp->provider); +out_free_note: + free(tmp); +out_err: + return ret; +} + +/** + * construct_sdt_notes_list : constructs a list of SDT notes + * @elf : elf to look into + * @sdt_notes : empty list_head + * + * Scans the sections in 'elf' for the section + * .note.stapsdt. It, then calls populate_sdt_note to find + * out the SDT events and populates the 'sdt_notes'. + */ +static int construct_sdt_notes_list(Elf *elf, struct list_head *sdt_notes) +{ + GElf_Ehdr ehdr; + Elf_Scn *scn = NULL; + Elf_Data *data; + GElf_Shdr shdr; + size_t shstrndx, next; + GElf_Nhdr nhdr; + size_t name_off, desc_off, offset; + int ret = 0; + + if (gelf_getehdr(elf, &ehdr) == NULL) { + ret = -EBADF; + goto out_ret; + } + if (elf_getshdrstrndx(elf, &shstrndx) != 0) { + ret = -EBADF; + goto out_ret; + } + + /* Look for the required section */ + scn = elf_section_by_name(elf, &ehdr, &shdr, SDT_NOTE_SCN, NULL); + if (!scn) { + ret = -ENOENT; + goto out_ret; + } + + if ((shdr.sh_type != SHT_NOTE) || (shdr.sh_flags & SHF_ALLOC)) { + ret = -ENOENT; + goto out_ret; + } + + data = elf_getdata(scn, NULL); + + /* Get the SDT notes */ + for (offset = 0; (next = gelf_getnote(data, offset, &nhdr, &name_off, + &desc_off)) > 0; offset = next) { + if (nhdr.n_namesz == sizeof(SDT_NOTE_NAME) && + !memcmp(data->d_buf + name_off, SDT_NOTE_NAME, + sizeof(SDT_NOTE_NAME))) { + /* Check the type of the note */ + if (nhdr.n_type != SDT_NOTE_TYPE) + goto out_ret; + + ret = populate_sdt_note(&elf, ((data->d_buf) + desc_off), + nhdr.n_descsz, sdt_notes); + if (ret < 0) + goto out_ret; + } + } + if (list_empty(sdt_notes)) + ret = -ENOENT; + +out_ret: + return ret; +} + +/** + * get_sdt_note_list : Wrapper to construct a list of sdt notes + * @head : empty list_head + * @target : file to find SDT notes from + * + * This opens the file, initializes + * the ELF and then calls construct_sdt_notes_list. + */ +int get_sdt_note_list(struct list_head *head, const char *target) +{ + Elf *elf; + int fd, ret; + + fd = open(target, O_RDONLY); + if (fd < 0) + return -EBADF; + + elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); + if (!elf) { + ret = -EBADF; + goto out_close; + } + ret = construct_sdt_notes_list(elf, head); + elf_end(elf); +out_close: + close(fd); + return ret; +} + +/** + * cleanup_sdt_note_list : free the sdt notes' list + * @sdt_notes: sdt notes' list + * + * Free up the SDT notes in @sdt_notes. + * Returns the number of SDT notes free'd. + */ +int cleanup_sdt_note_list(struct list_head *sdt_notes) +{ + struct sdt_note *tmp, *pos; + int nr_free = 0; + + list_for_each_entry_safe(pos, tmp, sdt_notes, note_list) { + list_del(&pos->note_list); + free(pos->name); + free(pos->provider); + free(pos); + nr_free++; + } + return nr_free; +} + +/** + * sdt_notes__get_count: Counts the number of sdt events + * @start: list_head to sdt_notes list + * + * Returns the number of SDT notes in a list + */ +int sdt_notes__get_count(struct list_head *start) +{ + struct sdt_note *sdt_ptr; + int count = 0; + + list_for_each_entry(sdt_ptr, start, note_list) + count++; + return count; +} +#endif + void symbol__elf_init(void) { elf_version(EV_CURRENT); diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 54c4ff2b1cee..37e8d20ae03e 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1430,7 +1430,7 @@ int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter) * Read the build id if possible. This is required for * DSO_BINARY_TYPE__BUILDID_DEBUGINFO to work */ - if (is_regular_file(name) && + if (is_regular_file(dso->long_name) && filename__read_build_id(dso->long_name, build_id, BUILD_ID_SIZE) > 0) dso__set_build_id(dso, build_id); @@ -1626,7 +1626,7 @@ static int find_matching_kcore(struct map *map, char *dir, size_t dir_sz) if (!dirs) return -1; - strlist__for_each(nd, dirs) { + strlist__for_each_entry(nd, dirs) { scnprintf(kallsyms_filename, sizeof(kallsyms_filename), "%s/%s/kallsyms", dir, nd->s); if (!validate_kcore_addresses(kallsyms_filename, map)) { @@ -1641,6 +1641,20 @@ static int find_matching_kcore(struct map *map, char *dir, size_t dir_sz) return ret; } +/* + * Use open(O_RDONLY) to check readability directly instead of access(R_OK) + * since access(R_OK) only checks with real UID/GID but open() use effective + * UID/GID and actual capabilities (e.g. /proc/kcore requires CAP_SYS_RAWIO). + */ +static bool filename__readable(const char *file) +{ + int fd = open(file, O_RDONLY); + if (fd < 0) + return false; + close(fd); + return true; +} + static char *dso__find_kallsyms(struct dso *dso, struct map *map) { u8 host_build_id[BUILD_ID_SIZE]; @@ -1660,58 +1674,43 @@ static char *dso__find_kallsyms(struct dso *dso, struct map *map) sizeof(host_build_id)) == 0) is_host = dso__build_id_equal(dso, host_build_id); - build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id); - - scnprintf(path, sizeof(path), "%s/%s/%s", buildid_dir, - DSO__NAME_KCORE, sbuild_id); - - /* Use /proc/kallsyms if possible */ + /* Try a fast path for /proc/kallsyms if possible */ if (is_host) { - DIR *d; - int fd; - - /* If no cached kcore go with /proc/kallsyms */ - d = opendir(path); - if (!d) - goto proc_kallsyms; - closedir(d); - /* - * Do not check the build-id cache, until we know we cannot use - * /proc/kcore. + * Do not check the build-id cache, unless we know we cannot use + * /proc/kcore or module maps don't match to /proc/kallsyms. + * To check readability of /proc/kcore, do not use access(R_OK) + * since /proc/kcore requires CAP_SYS_RAWIO to read and access + * can't check it. */ - fd = open("/proc/kcore", O_RDONLY); - if (fd != -1) { - close(fd); - /* If module maps match go with /proc/kallsyms */ - if (!validate_kcore_addresses("/proc/kallsyms", map)) - goto proc_kallsyms; - } - - /* Find kallsyms in build-id cache with kcore */ - if (!find_matching_kcore(map, path, sizeof(path))) - return strdup(path); - - goto proc_kallsyms; + if (filename__readable("/proc/kcore") && + !validate_kcore_addresses("/proc/kallsyms", map)) + goto proc_kallsyms; } + build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id); + /* Find kallsyms in build-id cache with kcore */ + scnprintf(path, sizeof(path), "%s/%s/%s", + buildid_dir, DSO__NAME_KCORE, sbuild_id); + if (!find_matching_kcore(map, path, sizeof(path))) return strdup(path); - scnprintf(path, sizeof(path), "%s/%s/%s", - buildid_dir, DSO__NAME_KALLSYMS, sbuild_id); + /* Use current /proc/kallsyms if possible */ + if (is_host) { +proc_kallsyms: + return strdup("/proc/kallsyms"); + } - if (access(path, F_OK)) { + /* Finally, find a cache of kallsyms */ + if (!build_id_cache__kallsyms_path(sbuild_id, path, sizeof(path))) { pr_err("No kallsyms or vmlinux with build-id %s was found\n", sbuild_id); return NULL; } return strdup(path); - -proc_kallsyms: - return strdup("/proc/kallsyms"); } static int dso__load_kernel_sym(struct dso *dso, struct map *map, diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index b10d558a8803..699f7cbcfe72 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -342,4 +342,26 @@ void arch__sym_update(struct symbol *s, GElf_Sym *sym); int arch__choose_best_symbol(struct symbol *syma, struct symbol *symb); +/* structure containing an SDT note's info */ +struct sdt_note { + char *name; /* name of the note*/ + char *provider; /* provider name */ + bool bit32; /* whether the location is 32 bits? */ + union { /* location, base and semaphore addrs */ + Elf64_Addr a64[3]; + Elf32_Addr a32[3]; + } addr; + struct list_head note_list; /* SDT notes' list */ +}; + +int get_sdt_note_list(struct list_head *head, const char *target); +int cleanup_sdt_note_list(struct list_head *sdt_notes); +int sdt_notes__get_count(struct list_head *start); + +#define SDT_BASE_SCN ".stapsdt.base" +#define SDT_NOTE_SCN ".note.stapsdt" +#define SDT_NOTE_TYPE 3 +#define SDT_NOTE_NAME "stapsdt" +#define NR_ADDR 3 + #endif /* __PERF_SYMBOL */ diff --git a/tools/perf/util/target.c b/tools/perf/util/target.c index a53603b27e52..8cdcf4641c51 100644 --- a/tools/perf/util/target.c +++ b/tools/perf/util/target.c @@ -7,6 +7,7 @@ */ #include "target.h" +#include "util.h" #include "debug.h" #include <pwd.h> @@ -121,7 +122,7 @@ int target__strerror(struct target *target, int errnum, BUG_ON(buflen == 0); if (errnum >= 0) { - const char *err = strerror_r(errnum, buf, buflen); + const char *err = str_error_r(errnum, buf, buflen); if (err != buf) scnprintf(buf, buflen, "%s", err); diff --git a/tools/perf/util/thread-stack.c b/tools/perf/util/thread-stack.c index 825086aa9a08..d3301529f6a7 100644 --- a/tools/perf/util/thread-stack.c +++ b/tools/perf/util/thread-stack.c @@ -616,3 +616,10 @@ int thread_stack__process(struct thread *thread, struct comm *comm, return err; } + +size_t thread_stack__depth(struct thread *thread) +{ + if (!thread->ts) + return 0; + return thread->ts->cnt; +} diff --git a/tools/perf/util/thread-stack.h b/tools/perf/util/thread-stack.h index ad44c7944b8e..b7e41c4ebfdd 100644 --- a/tools/perf/util/thread-stack.h +++ b/tools/perf/util/thread-stack.h @@ -87,6 +87,7 @@ void thread_stack__sample(struct thread *thread, struct ip_callchain *chain, size_t sz, u64 ip); int thread_stack__flush(struct thread *thread); void thread_stack__free(struct thread *thread); +size_t thread_stack__depth(struct thread *thread); struct call_return_processor * call_return_processor__new(int (*process)(struct call_return *cr, void *data), diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 45fcb715a36b..8b10a55410a2 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -43,9 +43,6 @@ struct thread *thread__new(pid_t pid, pid_t tid) thread->cpu = -1; INIT_LIST_HEAD(&thread->comm_list); - if (unwind__prepare_access(thread) < 0) - goto err_thread; - comm_str = malloc(32); if (!comm_str) goto err_thread; @@ -201,10 +198,51 @@ size_t thread__fprintf(struct thread *thread, FILE *fp) map_groups__fprintf(thread->mg, fp); } -void thread__insert_map(struct thread *thread, struct map *map) +int thread__insert_map(struct thread *thread, struct map *map) { + int ret; + + ret = unwind__prepare_access(thread, map, NULL); + if (ret) + return ret; + map_groups__fixup_overlappings(thread->mg, map, stderr); map_groups__insert(thread->mg, map); + + return 0; +} + +static int __thread__prepare_access(struct thread *thread) +{ + bool initialized = false; + int i, err = 0; + + for (i = 0; i < MAP__NR_TYPES; ++i) { + struct maps *maps = &thread->mg->maps[i]; + struct map *map; + + pthread_rwlock_rdlock(&maps->lock); + + for (map = maps__first(maps); map; map = map__next(map)) { + err = unwind__prepare_access(thread, map, &initialized); + if (err || initialized) + break; + } + + pthread_rwlock_unlock(&maps->lock); + } + + return err; +} + +static int thread__prepare_access(struct thread *thread) +{ + int err = 0; + + if (symbol_conf.use_callchain) + err = __thread__prepare_access(thread); + + return err; } static int thread__clone_map_groups(struct thread *thread, @@ -214,7 +252,7 @@ static int thread__clone_map_groups(struct thread *thread, /* This is new thread, we share map groups for process. */ if (thread->pid_ == parent->pid_) - return 0; + return thread__prepare_access(thread); if (thread->mg == parent->mg) { pr_debug("broken map groups on thread %d/%d parent %d/%d\n", @@ -224,7 +262,7 @@ static int thread__clone_map_groups(struct thread *thread, /* But this one is new process, copy maps. */ for (i = 0; i < MAP__NR_TYPES; ++i) - if (map_groups__clone(thread->mg, parent->mg, i) < 0) + if (map_groups__clone(thread, parent->mg, i) < 0) return -ENOMEM; return 0; @@ -265,3 +303,14 @@ void thread__find_cpumode_addr_location(struct thread *thread, break; } } + +struct thread *thread__main_thread(struct machine *machine, struct thread *thread) +{ + if (thread->pid_ == thread->tid) + return thread__get(thread); + + if (thread->pid_ == -1) + return NULL; + + return machine__find_thread(machine, thread->pid_, thread->pid_); +} diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h index 45fba13c800b..99263cb6e6b6 100644 --- a/tools/perf/util/thread.h +++ b/tools/perf/util/thread.h @@ -9,11 +9,9 @@ #include "symbol.h" #include <strlist.h> #include <intlist.h> -#ifdef HAVE_LIBUNWIND_SUPPORT -#include <libunwind.h> -#endif struct thread_stack; +struct unwind_libunwind_ops; struct thread { union { @@ -36,7 +34,8 @@ struct thread { void *priv; struct thread_stack *ts; #ifdef HAVE_LIBUNWIND_SUPPORT - unw_addr_space_t addr_space; + void *addr_space; + struct unwind_libunwind_ops *unwind_libunwind_ops; #endif }; @@ -77,10 +76,12 @@ int thread__comm_len(struct thread *thread); struct comm *thread__comm(const struct thread *thread); struct comm *thread__exec_comm(const struct thread *thread); const char *thread__comm_str(const struct thread *thread); -void thread__insert_map(struct thread *thread, struct map *map); +int thread__insert_map(struct thread *thread, struct map *map); int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp); size_t thread__fprintf(struct thread *thread, FILE *fp); +struct thread *thread__main_thread(struct machine *machine, struct thread *thread); + void thread__find_addr_map(struct thread *thread, u8 cpumode, enum map_type type, u64 addr, struct addr_location *al); diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c index 5654fe15e036..40585f5b7027 100644 --- a/tools/perf/util/thread_map.c +++ b/tools/perf/util/thread_map.c @@ -202,7 +202,7 @@ static struct thread_map *thread_map__new_by_pid_str(const char *pid_str) if (!slist) return NULL; - strlist__for_each(pos, slist) { + strlist__for_each_entry(pos, slist) { pid = strtol(pos->s, &end_ptr, 10); if (pid == INT_MIN || pid == INT_MAX || @@ -278,7 +278,7 @@ struct thread_map *thread_map__new_by_tid_str(const char *tid_str) if (!slist) return NULL; - strlist__for_each(pos, slist) { + strlist__for_each_entry(pos, slist) { tid = strtol(pos->s, &end_ptr, 10); if (tid == INT_MIN || tid == INT_MAX || diff --git a/tools/perf/util/trace-event.c b/tools/perf/util/trace-event.c index 8ae051e0ec79..c330780674fc 100644 --- a/tools/perf/util/trace-event.c +++ b/tools/perf/util/trace-event.c @@ -105,3 +105,11 @@ trace_event__tp_format(const char *sys, const char *name) return tp_format(sys, name); } + +struct event_format *trace_event__tp_format_id(int id) +{ + if (!tevent_initialized && trace_event__init2()) + return ERR_PTR(-ENOMEM); + + return pevent_find_event(tevent.pevent, id); +} diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h index bce5b1dac268..b0af9c81bb0d 100644 --- a/tools/perf/util/trace-event.h +++ b/tools/perf/util/trace-event.h @@ -23,6 +23,8 @@ int trace_event__register_resolver(struct machine *machine, struct event_format* trace_event__tp_format(const char *sys, const char *name); +struct event_format *trace_event__tp_format_id(int id); + int bigendian(void); void event_format__fprintf(struct event_format *event, diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c new file mode 100644 index 000000000000..97c0f8fc5561 --- /dev/null +++ b/tools/perf/util/unwind-libunwind-local.c @@ -0,0 +1,699 @@ +/* + * Post mortem Dwarf CFI based unwinding on top of regs and stack dumps. + * + * Lots of this code have been borrowed or heavily inspired from parts of + * the libunwind 0.99 code which are (amongst other contributors I may have + * forgotten): + * + * Copyright (C) 2002-2007 Hewlett-Packard Co + * Contributed by David Mosberger-Tang <davidm@hpl.hp.com> + * + * And the bugs have been added by: + * + * Copyright (C) 2010, Frederic Weisbecker <fweisbec@gmail.com> + * Copyright (C) 2012, Jiri Olsa <jolsa@redhat.com> + * + */ + +#include <elf.h> +#include <gelf.h> +#include <fcntl.h> +#include <string.h> +#include <unistd.h> +#include <sys/mman.h> +#include <linux/list.h> +#ifndef REMOTE_UNWIND_LIBUNWIND +#include <libunwind.h> +#include <libunwind-ptrace.h> +#endif +#include "callchain.h" +#include "thread.h" +#include "session.h" +#include "perf_regs.h" +#include "unwind.h" +#include "symbol.h" +#include "util.h" +#include "debug.h" +#include "asm/bug.h" + +extern int +UNW_OBJ(dwarf_search_unwind_table) (unw_addr_space_t as, + unw_word_t ip, + unw_dyn_info_t *di, + unw_proc_info_t *pi, + int need_unwind_info, void *arg); + +#define dwarf_search_unwind_table UNW_OBJ(dwarf_search_unwind_table) + +extern int +UNW_OBJ(dwarf_find_debug_frame) (int found, unw_dyn_info_t *di_debug, + unw_word_t ip, + unw_word_t segbase, + const char *obj_name, unw_word_t start, + unw_word_t end); + +#define dwarf_find_debug_frame UNW_OBJ(dwarf_find_debug_frame) + +#define DW_EH_PE_FORMAT_MASK 0x0f /* format of the encoded value */ +#define DW_EH_PE_APPL_MASK 0x70 /* how the value is to be applied */ + +/* Pointer-encoding formats: */ +#define DW_EH_PE_omit 0xff +#define DW_EH_PE_ptr 0x00 /* pointer-sized unsigned value */ +#define DW_EH_PE_udata4 0x03 /* unsigned 32-bit value */ +#define DW_EH_PE_udata8 0x04 /* unsigned 64-bit value */ +#define DW_EH_PE_sdata4 0x0b /* signed 32-bit value */ +#define DW_EH_PE_sdata8 0x0c /* signed 64-bit value */ + +/* Pointer-encoding application: */ +#define DW_EH_PE_absptr 0x00 /* absolute value */ +#define DW_EH_PE_pcrel 0x10 /* rel. to addr. of encoded value */ + +/* + * The following are not documented by LSB v1.3, yet they are used by + * GCC, presumably they aren't documented by LSB since they aren't + * used on Linux: + */ +#define DW_EH_PE_funcrel 0x40 /* start-of-procedure-relative */ +#define DW_EH_PE_aligned 0x50 /* aligned pointer */ + +/* Flags intentionaly not handled, since they're not needed: + * #define DW_EH_PE_indirect 0x80 + * #define DW_EH_PE_uleb128 0x01 + * #define DW_EH_PE_udata2 0x02 + * #define DW_EH_PE_sleb128 0x09 + * #define DW_EH_PE_sdata2 0x0a + * #define DW_EH_PE_textrel 0x20 + * #define DW_EH_PE_datarel 0x30 + */ + +struct unwind_info { + struct perf_sample *sample; + struct machine *machine; + struct thread *thread; +}; + +#define dw_read(ptr, type, end) ({ \ + type *__p = (type *) ptr; \ + type __v; \ + if ((__p + 1) > (type *) end) \ + return -EINVAL; \ + __v = *__p++; \ + ptr = (typeof(ptr)) __p; \ + __v; \ + }) + +static int __dw_read_encoded_value(u8 **p, u8 *end, u64 *val, + u8 encoding) +{ + u8 *cur = *p; + *val = 0; + + switch (encoding) { + case DW_EH_PE_omit: + *val = 0; + goto out; + case DW_EH_PE_ptr: + *val = dw_read(cur, unsigned long, end); + goto out; + default: + break; + } + + switch (encoding & DW_EH_PE_APPL_MASK) { + case DW_EH_PE_absptr: + break; + case DW_EH_PE_pcrel: + *val = (unsigned long) cur; + break; + default: + return -EINVAL; + } + + if ((encoding & 0x07) == 0x00) + encoding |= DW_EH_PE_udata4; + + switch (encoding & DW_EH_PE_FORMAT_MASK) { + case DW_EH_PE_sdata4: + *val += dw_read(cur, s32, end); + break; + case DW_EH_PE_udata4: + *val += dw_read(cur, u32, end); + break; + case DW_EH_PE_sdata8: + *val += dw_read(cur, s64, end); + break; + case DW_EH_PE_udata8: + *val += dw_read(cur, u64, end); + break; + default: + return -EINVAL; + } + + out: + *p = cur; + return 0; +} + +#define dw_read_encoded_value(ptr, end, enc) ({ \ + u64 __v; \ + if (__dw_read_encoded_value(&ptr, end, &__v, enc)) { \ + return -EINVAL; \ + } \ + __v; \ + }) + +static u64 elf_section_offset(int fd, const char *name) +{ + Elf *elf; + GElf_Ehdr ehdr; + GElf_Shdr shdr; + u64 offset = 0; + + elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); + if (elf == NULL) + return 0; + + do { + if (gelf_getehdr(elf, &ehdr) == NULL) + break; + + if (!elf_section_by_name(elf, &ehdr, &shdr, name, NULL)) + break; + + offset = shdr.sh_offset; + } while (0); + + elf_end(elf); + return offset; +} + +#ifndef NO_LIBUNWIND_DEBUG_FRAME +static int elf_is_exec(int fd, const char *name) +{ + Elf *elf; + GElf_Ehdr ehdr; + int retval = 0; + + elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); + if (elf == NULL) + return 0; + if (gelf_getehdr(elf, &ehdr) == NULL) + goto out; + + retval = (ehdr.e_type == ET_EXEC); + +out: + elf_end(elf); + pr_debug("unwind: elf_is_exec(%s): %d\n", name, retval); + return retval; +} +#endif + +struct table_entry { + u32 start_ip_offset; + u32 fde_offset; +}; + +struct eh_frame_hdr { + unsigned char version; + unsigned char eh_frame_ptr_enc; + unsigned char fde_count_enc; + unsigned char table_enc; + + /* + * The rest of the header is variable-length and consists of the + * following members: + * + * encoded_t eh_frame_ptr; + * encoded_t fde_count; + */ + + /* A single encoded pointer should not be more than 8 bytes. */ + u64 enc[2]; + + /* + * struct { + * encoded_t start_ip; + * encoded_t fde_addr; + * } binary_search_table[fde_count]; + */ + char data[0]; +} __packed; + +static int unwind_spec_ehframe(struct dso *dso, struct machine *machine, + u64 offset, u64 *table_data, u64 *segbase, + u64 *fde_count) +{ + struct eh_frame_hdr hdr; + u8 *enc = (u8 *) &hdr.enc; + u8 *end = (u8 *) &hdr.data; + ssize_t r; + + r = dso__data_read_offset(dso, machine, offset, + (u8 *) &hdr, sizeof(hdr)); + if (r != sizeof(hdr)) + return -EINVAL; + + /* We dont need eh_frame_ptr, just skip it. */ + dw_read_encoded_value(enc, end, hdr.eh_frame_ptr_enc); + + *fde_count = dw_read_encoded_value(enc, end, hdr.fde_count_enc); + *segbase = offset; + *table_data = (enc - (u8 *) &hdr) + offset; + return 0; +} + +static int read_unwind_spec_eh_frame(struct dso *dso, struct machine *machine, + u64 *table_data, u64 *segbase, + u64 *fde_count) +{ + int ret = -EINVAL, fd; + u64 offset = dso->data.eh_frame_hdr_offset; + + if (offset == 0) { + fd = dso__data_get_fd(dso, machine); + if (fd < 0) + return -EINVAL; + + /* Check the .eh_frame section for unwinding info */ + offset = elf_section_offset(fd, ".eh_frame_hdr"); + dso->data.eh_frame_hdr_offset = offset; + dso__data_put_fd(dso); + } + + if (offset) + ret = unwind_spec_ehframe(dso, machine, offset, + table_data, segbase, + fde_count); + + return ret; +} + +#ifndef NO_LIBUNWIND_DEBUG_FRAME +static int read_unwind_spec_debug_frame(struct dso *dso, + struct machine *machine, u64 *offset) +{ + int fd; + u64 ofs = dso->data.debug_frame_offset; + + if (ofs == 0) { + fd = dso__data_get_fd(dso, machine); + if (fd < 0) + return -EINVAL; + + /* Check the .debug_frame section for unwinding info */ + ofs = elf_section_offset(fd, ".debug_frame"); + dso->data.debug_frame_offset = ofs; + dso__data_put_fd(dso); + } + + *offset = ofs; + if (*offset) + return 0; + + return -EINVAL; +} +#endif + +static struct map *find_map(unw_word_t ip, struct unwind_info *ui) +{ + struct addr_location al; + + thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER, + MAP__FUNCTION, ip, &al); + if (!al.map) { + /* + * We've seen cases (softice) where DWARF unwinder went + * through non executable mmaps, which we need to lookup + * in MAP__VARIABLE tree. + */ + thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER, + MAP__VARIABLE, ip, &al); + } + return al.map; +} + +static int +find_proc_info(unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, + int need_unwind_info, void *arg) +{ + struct unwind_info *ui = arg; + struct map *map; + unw_dyn_info_t di; + u64 table_data, segbase, fde_count; + int ret = -EINVAL; + + map = find_map(ip, ui); + if (!map || !map->dso) + return -EINVAL; + + pr_debug("unwind: find_proc_info dso %s\n", map->dso->name); + + /* Check the .eh_frame section for unwinding info */ + if (!read_unwind_spec_eh_frame(map->dso, ui->machine, + &table_data, &segbase, &fde_count)) { + memset(&di, 0, sizeof(di)); + di.format = UNW_INFO_FORMAT_REMOTE_TABLE; + di.start_ip = map->start; + di.end_ip = map->end; + di.u.rti.segbase = map->start + segbase; + di.u.rti.table_data = map->start + table_data; + di.u.rti.table_len = fde_count * sizeof(struct table_entry) + / sizeof(unw_word_t); + ret = dwarf_search_unwind_table(as, ip, &di, pi, + need_unwind_info, arg); + } + +#ifndef NO_LIBUNWIND_DEBUG_FRAME + /* Check the .debug_frame section for unwinding info */ + if (ret < 0 && + !read_unwind_spec_debug_frame(map->dso, ui->machine, &segbase)) { + int fd = dso__data_get_fd(map->dso, ui->machine); + int is_exec = elf_is_exec(fd, map->dso->name); + unw_word_t base = is_exec ? 0 : map->start; + const char *symfile; + + if (fd >= 0) + dso__data_put_fd(map->dso); + + symfile = map->dso->symsrc_filename ?: map->dso->name; + + memset(&di, 0, sizeof(di)); + if (dwarf_find_debug_frame(0, &di, ip, base, symfile, + map->start, map->end)) + return dwarf_search_unwind_table(as, ip, &di, pi, + need_unwind_info, arg); + } +#endif + + return ret; +} + +static int access_fpreg(unw_addr_space_t __maybe_unused as, + unw_regnum_t __maybe_unused num, + unw_fpreg_t __maybe_unused *val, + int __maybe_unused __write, + void __maybe_unused *arg) +{ + pr_err("unwind: access_fpreg unsupported\n"); + return -UNW_EINVAL; +} + +static int get_dyn_info_list_addr(unw_addr_space_t __maybe_unused as, + unw_word_t __maybe_unused *dil_addr, + void __maybe_unused *arg) +{ + return -UNW_ENOINFO; +} + +static int resume(unw_addr_space_t __maybe_unused as, + unw_cursor_t __maybe_unused *cu, + void __maybe_unused *arg) +{ + pr_err("unwind: resume unsupported\n"); + return -UNW_EINVAL; +} + +static int +get_proc_name(unw_addr_space_t __maybe_unused as, + unw_word_t __maybe_unused addr, + char __maybe_unused *bufp, size_t __maybe_unused buf_len, + unw_word_t __maybe_unused *offp, void __maybe_unused *arg) +{ + pr_err("unwind: get_proc_name unsupported\n"); + return -UNW_EINVAL; +} + +static int access_dso_mem(struct unwind_info *ui, unw_word_t addr, + unw_word_t *data) +{ + struct map *map; + ssize_t size; + + map = find_map(addr, ui); + if (!map) { + pr_debug("unwind: no map for %lx\n", (unsigned long)addr); + return -1; + } + + if (!map->dso) + return -1; + + size = dso__data_read_addr(map->dso, map, ui->machine, + addr, (u8 *) data, sizeof(*data)); + + return !(size == sizeof(*data)); +} + +static int access_mem(unw_addr_space_t __maybe_unused as, + unw_word_t addr, unw_word_t *valp, + int __write, void *arg) +{ + struct unwind_info *ui = arg; + struct stack_dump *stack = &ui->sample->user_stack; + u64 start, end; + int offset; + int ret; + + /* Don't support write, probably not needed. */ + if (__write || !stack || !ui->sample->user_regs.regs) { + *valp = 0; + return 0; + } + + ret = perf_reg_value(&start, &ui->sample->user_regs, + LIBUNWIND__ARCH_REG_SP); + if (ret) + return ret; + + end = start + stack->size; + + /* Check overflow. */ + if (addr + sizeof(unw_word_t) < addr) + return -EINVAL; + + if (addr < start || addr + sizeof(unw_word_t) >= end) { + ret = access_dso_mem(ui, addr, valp); + if (ret) { + pr_debug("unwind: access_mem %p not inside range" + " 0x%" PRIx64 "-0x%" PRIx64 "\n", + (void *) (uintptr_t) addr, start, end); + *valp = 0; + return ret; + } + return 0; + } + + offset = addr - start; + *valp = *(unw_word_t *)&stack->data[offset]; + pr_debug("unwind: access_mem addr %p val %lx, offset %d\n", + (void *) (uintptr_t) addr, (unsigned long)*valp, offset); + return 0; +} + +static int access_reg(unw_addr_space_t __maybe_unused as, + unw_regnum_t regnum, unw_word_t *valp, + int __write, void *arg) +{ + struct unwind_info *ui = arg; + int id, ret; + u64 val; + + /* Don't support write, I suspect we don't need it. */ + if (__write) { + pr_err("unwind: access_reg w %d\n", regnum); + return 0; + } + + if (!ui->sample->user_regs.regs) { + *valp = 0; + return 0; + } + + id = LIBUNWIND__ARCH_REG_ID(regnum); + if (id < 0) + return -EINVAL; + + ret = perf_reg_value(&val, &ui->sample->user_regs, id); + if (ret) { + pr_err("unwind: can't read reg %d\n", regnum); + return ret; + } + + *valp = (unw_word_t) val; + pr_debug("unwind: reg %d, val %lx\n", regnum, (unsigned long)*valp); + return 0; +} + +static void put_unwind_info(unw_addr_space_t __maybe_unused as, + unw_proc_info_t *pi __maybe_unused, + void *arg __maybe_unused) +{ + pr_debug("unwind: put_unwind_info called\n"); +} + +static int entry(u64 ip, struct thread *thread, + unwind_entry_cb_t cb, void *arg) +{ + struct unwind_entry e; + struct addr_location al; + + thread__find_addr_location(thread, PERF_RECORD_MISC_USER, + MAP__FUNCTION, ip, &al); + + e.ip = ip; + e.map = al.map; + e.sym = al.sym; + + pr_debug("unwind: %s:ip = 0x%" PRIx64 " (0x%" PRIx64 ")\n", + al.sym ? al.sym->name : "''", + ip, + al.map ? al.map->map_ip(al.map, ip) : (u64) 0); + + return cb(&e, arg); +} + +static void display_error(int err) +{ + switch (err) { + case UNW_EINVAL: + pr_err("unwind: Only supports local.\n"); + break; + case UNW_EUNSPEC: + pr_err("unwind: Unspecified error.\n"); + break; + case UNW_EBADREG: + pr_err("unwind: Register unavailable.\n"); + break; + default: + break; + } +} + +static unw_accessors_t accessors = { + .find_proc_info = find_proc_info, + .put_unwind_info = put_unwind_info, + .get_dyn_info_list_addr = get_dyn_info_list_addr, + .access_mem = access_mem, + .access_reg = access_reg, + .access_fpreg = access_fpreg, + .resume = resume, + .get_proc_name = get_proc_name, +}; + +static int _unwind__prepare_access(struct thread *thread) +{ + if (callchain_param.record_mode != CALLCHAIN_DWARF) + return 0; + + thread->addr_space = unw_create_addr_space(&accessors, 0); + if (!thread->addr_space) { + pr_err("unwind: Can't create unwind address space.\n"); + return -ENOMEM; + } + + unw_set_caching_policy(thread->addr_space, UNW_CACHE_GLOBAL); + return 0; +} + +static void _unwind__flush_access(struct thread *thread) +{ + if (callchain_param.record_mode != CALLCHAIN_DWARF) + return; + + unw_flush_cache(thread->addr_space, 0, 0); +} + +static void _unwind__finish_access(struct thread *thread) +{ + if (callchain_param.record_mode != CALLCHAIN_DWARF) + return; + + unw_destroy_addr_space(thread->addr_space); +} + +static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb, + void *arg, int max_stack) +{ + u64 val; + unw_word_t ips[max_stack]; + unw_addr_space_t addr_space; + unw_cursor_t c; + int ret, i = 0; + + ret = perf_reg_value(&val, &ui->sample->user_regs, + LIBUNWIND__ARCH_REG_IP); + if (ret) + return ret; + + ips[i++] = (unw_word_t) val; + + /* + * If we need more than one entry, do the DWARF + * unwind itself. + */ + if (max_stack - 1 > 0) { + WARN_ONCE(!ui->thread, "WARNING: ui->thread is NULL"); + addr_space = ui->thread->addr_space; + + if (addr_space == NULL) + return -1; + + ret = unw_init_remote(&c, addr_space, ui); + if (ret) + display_error(ret); + + while (!ret && (unw_step(&c) > 0) && i < max_stack) { + unw_get_reg(&c, UNW_REG_IP, &ips[i]); + ++i; + } + + max_stack = i; + } + + /* + * Display what we got based on the order setup. + */ + for (i = 0; i < max_stack && !ret; i++) { + int j = i; + + if (callchain_param.order == ORDER_CALLER) + j = max_stack - i - 1; + ret = ips[j] ? entry(ips[j], ui->thread, cb, arg) : 0; + } + + return ret; +} + +static int _unwind__get_entries(unwind_entry_cb_t cb, void *arg, + struct thread *thread, + struct perf_sample *data, int max_stack) +{ + struct unwind_info ui = { + .sample = data, + .thread = thread, + .machine = thread->mg->machine, + }; + + if (!data->user_regs.regs) + return -EINVAL; + + if (max_stack <= 0) + return -EINVAL; + + return get_entries(&ui, cb, arg, max_stack); +} + +static struct unwind_libunwind_ops +_unwind_libunwind_ops = { + .prepare_access = _unwind__prepare_access, + .flush_access = _unwind__flush_access, + .finish_access = _unwind__finish_access, + .get_entries = _unwind__get_entries, +}; + +#ifndef REMOTE_UNWIND_LIBUNWIND +struct unwind_libunwind_ops * +local_unwind_libunwind_ops = &_unwind_libunwind_ops; +#endif diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c index 63687d3a344e..6d542a4e0648 100644 --- a/tools/perf/util/unwind-libunwind.c +++ b/tools/perf/util/unwind-libunwind.c @@ -1,682 +1,83 @@ -/* - * Post mortem Dwarf CFI based unwinding on top of regs and stack dumps. - * - * Lots of this code have been borrowed or heavily inspired from parts of - * the libunwind 0.99 code which are (amongst other contributors I may have - * forgotten): - * - * Copyright (C) 2002-2007 Hewlett-Packard Co - * Contributed by David Mosberger-Tang <davidm@hpl.hp.com> - * - * And the bugs have been added by: - * - * Copyright (C) 2010, Frederic Weisbecker <fweisbec@gmail.com> - * Copyright (C) 2012, Jiri Olsa <jolsa@redhat.com> - * - */ - -#include <elf.h> -#include <gelf.h> -#include <fcntl.h> -#include <string.h> -#include <unistd.h> -#include <sys/mman.h> -#include <linux/list.h> -#include <libunwind.h> -#include <libunwind-ptrace.h> -#include "callchain.h" +#include "unwind.h" #include "thread.h" #include "session.h" -#include "perf_regs.h" -#include "unwind.h" -#include "symbol.h" -#include "util.h" #include "debug.h" -#include "asm/bug.h" - -extern int -UNW_OBJ(dwarf_search_unwind_table) (unw_addr_space_t as, - unw_word_t ip, - unw_dyn_info_t *di, - unw_proc_info_t *pi, - int need_unwind_info, void *arg); - -#define dwarf_search_unwind_table UNW_OBJ(dwarf_search_unwind_table) - -extern int -UNW_OBJ(dwarf_find_debug_frame) (int found, unw_dyn_info_t *di_debug, - unw_word_t ip, - unw_word_t segbase, - const char *obj_name, unw_word_t start, - unw_word_t end); - -#define dwarf_find_debug_frame UNW_OBJ(dwarf_find_debug_frame) - -#define DW_EH_PE_FORMAT_MASK 0x0f /* format of the encoded value */ -#define DW_EH_PE_APPL_MASK 0x70 /* how the value is to be applied */ - -/* Pointer-encoding formats: */ -#define DW_EH_PE_omit 0xff -#define DW_EH_PE_ptr 0x00 /* pointer-sized unsigned value */ -#define DW_EH_PE_udata4 0x03 /* unsigned 32-bit value */ -#define DW_EH_PE_udata8 0x04 /* unsigned 64-bit value */ -#define DW_EH_PE_sdata4 0x0b /* signed 32-bit value */ -#define DW_EH_PE_sdata8 0x0c /* signed 64-bit value */ - -/* Pointer-encoding application: */ -#define DW_EH_PE_absptr 0x00 /* absolute value */ -#define DW_EH_PE_pcrel 0x10 /* rel. to addr. of encoded value */ - -/* - * The following are not documented by LSB v1.3, yet they are used by - * GCC, presumably they aren't documented by LSB since they aren't - * used on Linux: - */ -#define DW_EH_PE_funcrel 0x40 /* start-of-procedure-relative */ -#define DW_EH_PE_aligned 0x50 /* aligned pointer */ +#include "arch/common.h" -/* Flags intentionaly not handled, since they're not needed: - * #define DW_EH_PE_indirect 0x80 - * #define DW_EH_PE_uleb128 0x01 - * #define DW_EH_PE_udata2 0x02 - * #define DW_EH_PE_sleb128 0x09 - * #define DW_EH_PE_sdata2 0x0a - * #define DW_EH_PE_textrel 0x20 - * #define DW_EH_PE_datarel 0x30 - */ +struct unwind_libunwind_ops __weak *local_unwind_libunwind_ops; +struct unwind_libunwind_ops __weak *x86_32_unwind_libunwind_ops; +struct unwind_libunwind_ops __weak *arm64_unwind_libunwind_ops; -struct unwind_info { - struct perf_sample *sample; - struct machine *machine; - struct thread *thread; -}; - -#define dw_read(ptr, type, end) ({ \ - type *__p = (type *) ptr; \ - type __v; \ - if ((__p + 1) > (type *) end) \ - return -EINVAL; \ - __v = *__p++; \ - ptr = (typeof(ptr)) __p; \ - __v; \ - }) - -static int __dw_read_encoded_value(u8 **p, u8 *end, u64 *val, - u8 encoding) +static void unwind__register_ops(struct thread *thread, + struct unwind_libunwind_ops *ops) { - u8 *cur = *p; - *val = 0; - - switch (encoding) { - case DW_EH_PE_omit: - *val = 0; - goto out; - case DW_EH_PE_ptr: - *val = dw_read(cur, unsigned long, end); - goto out; - default: - break; - } - - switch (encoding & DW_EH_PE_APPL_MASK) { - case DW_EH_PE_absptr: - break; - case DW_EH_PE_pcrel: - *val = (unsigned long) cur; - break; - default: - return -EINVAL; - } - - if ((encoding & 0x07) == 0x00) - encoding |= DW_EH_PE_udata4; - - switch (encoding & DW_EH_PE_FORMAT_MASK) { - case DW_EH_PE_sdata4: - *val += dw_read(cur, s32, end); - break; - case DW_EH_PE_udata4: - *val += dw_read(cur, u32, end); - break; - case DW_EH_PE_sdata8: - *val += dw_read(cur, s64, end); - break; - case DW_EH_PE_udata8: - *val += dw_read(cur, u64, end); - break; - default: - return -EINVAL; - } - - out: - *p = cur; - return 0; -} - -#define dw_read_encoded_value(ptr, end, enc) ({ \ - u64 __v; \ - if (__dw_read_encoded_value(&ptr, end, &__v, enc)) { \ - return -EINVAL; \ - } \ - __v; \ - }) - -static u64 elf_section_offset(int fd, const char *name) -{ - Elf *elf; - GElf_Ehdr ehdr; - GElf_Shdr shdr; - u64 offset = 0; - - elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); - if (elf == NULL) - return 0; - - do { - if (gelf_getehdr(elf, &ehdr) == NULL) - break; - - if (!elf_section_by_name(elf, &ehdr, &shdr, name, NULL)) - break; - - offset = shdr.sh_offset; - } while (0); - - elf_end(elf); - return offset; + thread->unwind_libunwind_ops = ops; } -#ifndef NO_LIBUNWIND_DEBUG_FRAME -static int elf_is_exec(int fd, const char *name) +int unwind__prepare_access(struct thread *thread, struct map *map, + bool *initialized) { - Elf *elf; - GElf_Ehdr ehdr; - int retval = 0; + const char *arch; + enum dso_type dso_type; + struct unwind_libunwind_ops *ops = local_unwind_libunwind_ops; + int err; - elf = elf_begin(fd, PERF_ELF_C_READ_MMAP, NULL); - if (elf == NULL) + if (thread->addr_space) { + pr_debug("unwind: thread map already set, dso=%s\n", + map->dso->name); + if (initialized) + *initialized = true; return 0; - if (gelf_getehdr(elf, &ehdr) == NULL) - goto out; - - retval = (ehdr.e_type == ET_EXEC); - -out: - elf_end(elf); - pr_debug("unwind: elf_is_exec(%s): %d\n", name, retval); - return retval; -} -#endif - -struct table_entry { - u32 start_ip_offset; - u32 fde_offset; -}; - -struct eh_frame_hdr { - unsigned char version; - unsigned char eh_frame_ptr_enc; - unsigned char fde_count_enc; - unsigned char table_enc; - - /* - * The rest of the header is variable-length and consists of the - * following members: - * - * encoded_t eh_frame_ptr; - * encoded_t fde_count; - */ - - /* A single encoded pointer should not be more than 8 bytes. */ - u64 enc[2]; - - /* - * struct { - * encoded_t start_ip; - * encoded_t fde_addr; - * } binary_search_table[fde_count]; - */ - char data[0]; -} __packed; - -static int unwind_spec_ehframe(struct dso *dso, struct machine *machine, - u64 offset, u64 *table_data, u64 *segbase, - u64 *fde_count) -{ - struct eh_frame_hdr hdr; - u8 *enc = (u8 *) &hdr.enc; - u8 *end = (u8 *) &hdr.data; - ssize_t r; - - r = dso__data_read_offset(dso, machine, offset, - (u8 *) &hdr, sizeof(hdr)); - if (r != sizeof(hdr)) - return -EINVAL; - - /* We dont need eh_frame_ptr, just skip it. */ - dw_read_encoded_value(enc, end, hdr.eh_frame_ptr_enc); - - *fde_count = dw_read_encoded_value(enc, end, hdr.fde_count_enc); - *segbase = offset; - *table_data = (enc - (u8 *) &hdr) + offset; - return 0; -} - -static int read_unwind_spec_eh_frame(struct dso *dso, struct machine *machine, - u64 *table_data, u64 *segbase, - u64 *fde_count) -{ - int ret = -EINVAL, fd; - u64 offset = dso->data.eh_frame_hdr_offset; - - if (offset == 0) { - fd = dso__data_get_fd(dso, machine); - if (fd < 0) - return -EINVAL; - - /* Check the .eh_frame section for unwinding info */ - offset = elf_section_offset(fd, ".eh_frame_hdr"); - dso->data.eh_frame_hdr_offset = offset; - dso__data_put_fd(dso); } - if (offset) - ret = unwind_spec_ehframe(dso, machine, offset, - table_data, segbase, - fde_count); + /* env->arch is NULL for live-mode (i.e. perf top) */ + if (!thread->mg->machine->env || !thread->mg->machine->env->arch) + goto out_register; - return ret; -} - -#ifndef NO_LIBUNWIND_DEBUG_FRAME -static int read_unwind_spec_debug_frame(struct dso *dso, - struct machine *machine, u64 *offset) -{ - int fd; - u64 ofs = dso->data.debug_frame_offset; - - if (ofs == 0) { - fd = dso__data_get_fd(dso, machine); - if (fd < 0) - return -EINVAL; - - /* Check the .debug_frame section for unwinding info */ - ofs = elf_section_offset(fd, ".debug_frame"); - dso->data.debug_frame_offset = ofs; - dso__data_put_fd(dso); - } - - *offset = ofs; - if (*offset) + dso_type = dso__type(map->dso, thread->mg->machine); + if (dso_type == DSO__TYPE_UNKNOWN) return 0; - return -EINVAL; -} -#endif - -static struct map *find_map(unw_word_t ip, struct unwind_info *ui) -{ - struct addr_location al; - - thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER, - MAP__FUNCTION, ip, &al); - if (!al.map) { - /* - * We've seen cases (softice) where DWARF unwinder went - * through non executable mmaps, which we need to lookup - * in MAP__VARIABLE tree. - */ - thread__find_addr_map(ui->thread, PERF_RECORD_MISC_USER, - MAP__VARIABLE, ip, &al); - } - return al.map; -} - -static int -find_proc_info(unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi, - int need_unwind_info, void *arg) -{ - struct unwind_info *ui = arg; - struct map *map; - unw_dyn_info_t di; - u64 table_data, segbase, fde_count; - int ret = -EINVAL; - - map = find_map(ip, ui); - if (!map || !map->dso) - return -EINVAL; - - pr_debug("unwind: find_proc_info dso %s\n", map->dso->name); - - /* Check the .eh_frame section for unwinding info */ - if (!read_unwind_spec_eh_frame(map->dso, ui->machine, - &table_data, &segbase, &fde_count)) { - memset(&di, 0, sizeof(di)); - di.format = UNW_INFO_FORMAT_REMOTE_TABLE; - di.start_ip = map->start; - di.end_ip = map->end; - di.u.rti.segbase = map->start + segbase; - di.u.rti.table_data = map->start + table_data; - di.u.rti.table_len = fde_count * sizeof(struct table_entry) - / sizeof(unw_word_t); - ret = dwarf_search_unwind_table(as, ip, &di, pi, - need_unwind_info, arg); - } - -#ifndef NO_LIBUNWIND_DEBUG_FRAME - /* Check the .debug_frame section for unwinding info */ - if (ret < 0 && - !read_unwind_spec_debug_frame(map->dso, ui->machine, &segbase)) { - int fd = dso__data_get_fd(map->dso, ui->machine); - int is_exec = elf_is_exec(fd, map->dso->name); - unw_word_t base = is_exec ? 0 : map->start; - const char *symfile; - - if (fd >= 0) - dso__data_put_fd(map->dso); - - symfile = map->dso->symsrc_filename ?: map->dso->name; - - memset(&di, 0, sizeof(di)); - if (dwarf_find_debug_frame(0, &di, ip, base, symfile, - map->start, map->end)) - return dwarf_search_unwind_table(as, ip, &di, pi, - need_unwind_info, arg); - } -#endif - - return ret; -} - -static int access_fpreg(unw_addr_space_t __maybe_unused as, - unw_regnum_t __maybe_unused num, - unw_fpreg_t __maybe_unused *val, - int __maybe_unused __write, - void __maybe_unused *arg) -{ - pr_err("unwind: access_fpreg unsupported\n"); - return -UNW_EINVAL; -} - -static int get_dyn_info_list_addr(unw_addr_space_t __maybe_unused as, - unw_word_t __maybe_unused *dil_addr, - void __maybe_unused *arg) -{ - return -UNW_ENOINFO; -} - -static int resume(unw_addr_space_t __maybe_unused as, - unw_cursor_t __maybe_unused *cu, - void __maybe_unused *arg) -{ - pr_err("unwind: resume unsupported\n"); - return -UNW_EINVAL; -} + arch = normalize_arch(thread->mg->machine->env->arch); -static int -get_proc_name(unw_addr_space_t __maybe_unused as, - unw_word_t __maybe_unused addr, - char __maybe_unused *bufp, size_t __maybe_unused buf_len, - unw_word_t __maybe_unused *offp, void __maybe_unused *arg) -{ - pr_err("unwind: get_proc_name unsupported\n"); - return -UNW_EINVAL; -} - -static int access_dso_mem(struct unwind_info *ui, unw_word_t addr, - unw_word_t *data) -{ - struct map *map; - ssize_t size; - - map = find_map(addr, ui); - if (!map) { - pr_debug("unwind: no map for %lx\n", (unsigned long)addr); - return -1; + if (!strcmp(arch, "x86")) { + if (dso_type != DSO__TYPE_64BIT) + ops = x86_32_unwind_libunwind_ops; + } else if (!strcmp(arch, "arm64") || !strcmp(arch, "arm")) { + if (dso_type == DSO__TYPE_64BIT) + ops = arm64_unwind_libunwind_ops; } - if (!map->dso) + if (!ops) { + pr_err("unwind: target platform=%s is not supported\n", arch); return -1; - - size = dso__data_read_addr(map->dso, map, ui->machine, - addr, (u8 *) data, sizeof(*data)); - - return !(size == sizeof(*data)); -} - -static int access_mem(unw_addr_space_t __maybe_unused as, - unw_word_t addr, unw_word_t *valp, - int __write, void *arg) -{ - struct unwind_info *ui = arg; - struct stack_dump *stack = &ui->sample->user_stack; - u64 start, end; - int offset; - int ret; - - /* Don't support write, probably not needed. */ - if (__write || !stack || !ui->sample->user_regs.regs) { - *valp = 0; - return 0; - } - - ret = perf_reg_value(&start, &ui->sample->user_regs, PERF_REG_SP); - if (ret) - return ret; - - end = start + stack->size; - - /* Check overflow. */ - if (addr + sizeof(unw_word_t) < addr) - return -EINVAL; - - if (addr < start || addr + sizeof(unw_word_t) >= end) { - ret = access_dso_mem(ui, addr, valp); - if (ret) { - pr_debug("unwind: access_mem %p not inside range" - " 0x%" PRIx64 "-0x%" PRIx64 "\n", - (void *) (uintptr_t) addr, start, end); - *valp = 0; - return ret; - } - return 0; - } - - offset = addr - start; - *valp = *(unw_word_t *)&stack->data[offset]; - pr_debug("unwind: access_mem addr %p val %lx, offset %d\n", - (void *) (uintptr_t) addr, (unsigned long)*valp, offset); - return 0; -} - -static int access_reg(unw_addr_space_t __maybe_unused as, - unw_regnum_t regnum, unw_word_t *valp, - int __write, void *arg) -{ - struct unwind_info *ui = arg; - int id, ret; - u64 val; - - /* Don't support write, I suspect we don't need it. */ - if (__write) { - pr_err("unwind: access_reg w %d\n", regnum); - return 0; - } - - if (!ui->sample->user_regs.regs) { - *valp = 0; - return 0; - } - - id = libunwind__arch_reg_id(regnum); - if (id < 0) - return -EINVAL; - - ret = perf_reg_value(&val, &ui->sample->user_regs, id); - if (ret) { - pr_err("unwind: can't read reg %d\n", regnum); - return ret; - } - - *valp = (unw_word_t) val; - pr_debug("unwind: reg %d, val %lx\n", regnum, (unsigned long)*valp); - return 0; -} - -static void put_unwind_info(unw_addr_space_t __maybe_unused as, - unw_proc_info_t *pi __maybe_unused, - void *arg __maybe_unused) -{ - pr_debug("unwind: put_unwind_info called\n"); -} - -static int entry(u64 ip, struct thread *thread, - unwind_entry_cb_t cb, void *arg) -{ - struct unwind_entry e; - struct addr_location al; - - thread__find_addr_location(thread, PERF_RECORD_MISC_USER, - MAP__FUNCTION, ip, &al); - - e.ip = ip; - e.map = al.map; - e.sym = al.sym; - - pr_debug("unwind: %s:ip = 0x%" PRIx64 " (0x%" PRIx64 ")\n", - al.sym ? al.sym->name : "''", - ip, - al.map ? al.map->map_ip(al.map, ip) : (u64) 0); - - return cb(&e, arg); -} - -static void display_error(int err) -{ - switch (err) { - case UNW_EINVAL: - pr_err("unwind: Only supports local.\n"); - break; - case UNW_EUNSPEC: - pr_err("unwind: Unspecified error.\n"); - break; - case UNW_EBADREG: - pr_err("unwind: Register unavailable.\n"); - break; - default: - break; - } -} - -static unw_accessors_t accessors = { - .find_proc_info = find_proc_info, - .put_unwind_info = put_unwind_info, - .get_dyn_info_list_addr = get_dyn_info_list_addr, - .access_mem = access_mem, - .access_reg = access_reg, - .access_fpreg = access_fpreg, - .resume = resume, - .get_proc_name = get_proc_name, -}; - -int unwind__prepare_access(struct thread *thread) -{ - if (callchain_param.record_mode != CALLCHAIN_DWARF) - return 0; - - thread->addr_space = unw_create_addr_space(&accessors, 0); - if (!thread->addr_space) { - pr_err("unwind: Can't create unwind address space.\n"); - return -ENOMEM; } +out_register: + unwind__register_ops(thread, ops); - unw_set_caching_policy(thread->addr_space, UNW_CACHE_GLOBAL); - return 0; + err = thread->unwind_libunwind_ops->prepare_access(thread); + if (initialized) + *initialized = err ? false : true; + return err; } void unwind__flush_access(struct thread *thread) { - if (callchain_param.record_mode != CALLCHAIN_DWARF) - return; - - unw_flush_cache(thread->addr_space, 0, 0); + if (thread->unwind_libunwind_ops) + thread->unwind_libunwind_ops->flush_access(thread); } void unwind__finish_access(struct thread *thread) { - if (callchain_param.record_mode != CALLCHAIN_DWARF) - return; - - unw_destroy_addr_space(thread->addr_space); -} - -static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb, - void *arg, int max_stack) -{ - u64 val; - unw_word_t ips[max_stack]; - unw_addr_space_t addr_space; - unw_cursor_t c; - int ret, i = 0; - - ret = perf_reg_value(&val, &ui->sample->user_regs, PERF_REG_IP); - if (ret) - return ret; - - ips[i++] = (unw_word_t) val; - - /* - * If we need more than one entry, do the DWARF - * unwind itself. - */ - if (max_stack - 1 > 0) { - WARN_ONCE(!ui->thread, "WARNING: ui->thread is NULL"); - addr_space = ui->thread->addr_space; - - if (addr_space == NULL) - return -1; - - ret = unw_init_remote(&c, addr_space, ui); - if (ret) - display_error(ret); - - while (!ret && (unw_step(&c) > 0) && i < max_stack) { - unw_get_reg(&c, UNW_REG_IP, &ips[i]); - ++i; - } - - max_stack = i; - } - - /* - * Display what we got based on the order setup. - */ - for (i = 0; i < max_stack && !ret; i++) { - int j = i; - - if (callchain_param.order == ORDER_CALLER) - j = max_stack - i - 1; - ret = ips[j] ? entry(ips[j], ui->thread, cb, arg) : 0; - } - - return ret; + if (thread->unwind_libunwind_ops) + thread->unwind_libunwind_ops->finish_access(thread); } int unwind__get_entries(unwind_entry_cb_t cb, void *arg, - struct thread *thread, - struct perf_sample *data, int max_stack) + struct thread *thread, + struct perf_sample *data, int max_stack) { - struct unwind_info ui = { - .sample = data, - .thread = thread, - .machine = thread->mg->machine, - }; - - if (!data->user_regs.regs) - return -EINVAL; - - if (max_stack <= 0) - return -EINVAL; - - return get_entries(&ui, cb, arg, max_stack); + if (thread->unwind_libunwind_ops) + return thread->unwind_libunwind_ops->get_entries(cb, arg, thread, data, max_stack); + return 0; } diff --git a/tools/perf/util/unwind.h b/tools/perf/util/unwind.h index 12790cf94618..61fb1e90ff51 100644 --- a/tools/perf/util/unwind.h +++ b/tools/perf/util/unwind.h @@ -14,18 +14,42 @@ struct unwind_entry { typedef int (*unwind_entry_cb_t)(struct unwind_entry *entry, void *arg); +struct unwind_libunwind_ops { + int (*prepare_access)(struct thread *thread); + void (*flush_access)(struct thread *thread); + void (*finish_access)(struct thread *thread); + int (*get_entries)(unwind_entry_cb_t cb, void *arg, + struct thread *thread, + struct perf_sample *data, int max_stack); +}; + #ifdef HAVE_DWARF_UNWIND_SUPPORT int unwind__get_entries(unwind_entry_cb_t cb, void *arg, struct thread *thread, struct perf_sample *data, int max_stack); /* libunwind specific */ #ifdef HAVE_LIBUNWIND_SUPPORT -int libunwind__arch_reg_id(int regnum); -int unwind__prepare_access(struct thread *thread); +#ifndef LIBUNWIND__ARCH_REG_ID +#define LIBUNWIND__ARCH_REG_ID(regnum) libunwind__arch_reg_id(regnum) +#endif + +#ifndef LIBUNWIND__ARCH_REG_SP +#define LIBUNWIND__ARCH_REG_SP PERF_REG_SP +#endif + +#ifndef LIBUNWIND__ARCH_REG_IP +#define LIBUNWIND__ARCH_REG_IP PERF_REG_IP +#endif + +int LIBUNWIND__ARCH_REG_ID(int regnum); +int unwind__prepare_access(struct thread *thread, struct map *map, + bool *initialized); void unwind__flush_access(struct thread *thread); void unwind__finish_access(struct thread *thread); #else -static inline int unwind__prepare_access(struct thread *thread __maybe_unused) +static inline int unwind__prepare_access(struct thread *thread __maybe_unused, + struct map *map __maybe_unused, + bool *initialized __maybe_unused) { return 0; } @@ -44,7 +68,9 @@ unwind__get_entries(unwind_entry_cb_t cb __maybe_unused, return 0; } -static inline int unwind__prepare_access(struct thread *thread __maybe_unused) +static inline int unwind__prepare_access(struct thread *thread __maybe_unused, + struct map *map __maybe_unused, + bool *initialized __maybe_unused) { return 0; } diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index 23504ad5d6dd..cee559d8c9e8 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -19,12 +19,19 @@ #include "callchain.h" #include "strlist.h" -struct callchain_param callchain_param = { - .mode = CHAIN_GRAPH_ABS, - .min_percent = 0.5, - .order = ORDER_CALLEE, - .key = CCKEY_FUNCTION, - .value = CCVAL_PERCENT, +#define CALLCHAIN_PARAM_DEFAULT \ + .mode = CHAIN_GRAPH_ABS, \ + .min_percent = 0.5, \ + .order = ORDER_CALLEE, \ + .key = CCKEY_FUNCTION, \ + .value = CCVAL_PERCENT, \ + +struct callchain_param callchain_param = { + CALLCHAIN_PARAM_DEFAULT +}; + +struct callchain_param callchain_param_default = { + CALLCHAIN_PARAM_DEFAULT }; /* @@ -97,20 +104,17 @@ int rm_rf(char *path) scnprintf(namebuf, sizeof(namebuf), "%s/%s", path, d->d_name); - ret = stat(namebuf, &statbuf); + /* We have to check symbolic link itself */ + ret = lstat(namebuf, &statbuf); if (ret < 0) { pr_debug("stat failed: %s\n", namebuf); break; } - if (S_ISREG(statbuf.st_mode)) - ret = unlink(namebuf); - else if (S_ISDIR(statbuf.st_mode)) + if (S_ISDIR(statbuf.st_mode)) ret = rm_rf(namebuf); - else { - pr_debug("unknown file: %s\n", namebuf); - ret = -1; - } + else + ret = unlink(namebuf); } closedir(dir); @@ -742,3 +746,19 @@ void print_binary(unsigned char *data, size_t len, } printer(BINARY_PRINT_DATA_END, -1, extra); } + +int is_printable_array(char *p, unsigned int len) +{ + unsigned int i; + + if (!p || !len || p[len - 1] != 0) + return 0; + + len--; + + for (i = 0; i < len; i++) { + if (!isprint(p[i]) && !isspace(p[i])) + return 0; + } + return 1; +} diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 1e8c3167b9fb..e5f55477491d 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -72,7 +72,6 @@ #include <sys/ioctl.h> #include <inttypes.h> #include <linux/kernel.h> -#include <linux/magic.h> #include <linux/types.h> #include <sys/ttydefaults.h> #include <api/fs/tracing_path.h> @@ -360,4 +359,10 @@ typedef void (*print_binary_t)(enum binary_printer_ops, void print_binary(unsigned char *data, size_t len, size_t bytes_per_line, print_binary_t printer, void *extra); + +#if !defined(__GLIBC__) && !defined(__ANDROID__) +extern int sched_getcpu(void); +#endif + +int is_printable_array(char *p, unsigned int len); #endif /* GIT_COMPAT_UTIL_H */ diff --git a/tools/perf/util/vdso.c b/tools/perf/util/vdso.c index 44d440da15dc..7bdcad484225 100644 --- a/tools/perf/util/vdso.c +++ b/tools/perf/util/vdso.c @@ -134,8 +134,6 @@ static struct dso *__machine__addnew_vdso(struct machine *machine, const char *s return dso; } -#if BITS_PER_LONG == 64 - static enum dso_type machine__thread_dso_type(struct machine *machine, struct thread *thread) { @@ -156,6 +154,8 @@ static enum dso_type machine__thread_dso_type(struct machine *machine, return dso_type; } +#if BITS_PER_LONG == 64 + static int vdso__do_copy_compat(FILE *f, int fd) { char buf[4096]; @@ -283,8 +283,38 @@ static int __machine__findnew_vdso_compat(struct machine *machine, #endif +static struct dso *machine__find_vdso(struct machine *machine, + struct thread *thread) +{ + struct dso *dso = NULL; + enum dso_type dso_type; + + dso_type = machine__thread_dso_type(machine, thread); + switch (dso_type) { + case DSO__TYPE_32BIT: + dso = __dsos__find(&machine->dsos, DSO__NAME_VDSO32, true); + if (!dso) { + dso = __dsos__find(&machine->dsos, DSO__NAME_VDSO, + true); + if (dso && dso_type != dso__type(dso, machine)) + dso = NULL; + } + break; + case DSO__TYPE_X32BIT: + dso = __dsos__find(&machine->dsos, DSO__NAME_VDSOX32, true); + break; + case DSO__TYPE_64BIT: + case DSO__TYPE_UNKNOWN: + default: + dso = __dsos__find(&machine->dsos, DSO__NAME_VDSO, true); + break; + } + + return dso; +} + struct dso *machine__findnew_vdso(struct machine *machine, - struct thread *thread __maybe_unused) + struct thread *thread) { struct vdso_info *vdso_info; struct dso *dso = NULL; @@ -297,6 +327,10 @@ struct dso *machine__findnew_vdso(struct machine *machine, if (!vdso_info) goto out_unlock; + dso = machine__find_vdso(machine, thread); + if (dso) + goto out_unlock; + #if BITS_PER_LONG == 64 if (__machine__findnew_vdso_compat(machine, thread, vdso_info, &dso)) goto out_unlock; diff --git a/tools/power/acpi/Makefile.config b/tools/power/acpi/Makefile.config index 552af68d5414..a538ff44b108 100644 --- a/tools/power/acpi/Makefile.config +++ b/tools/power/acpi/Makefile.config @@ -54,9 +54,10 @@ INSTALL_SCRIPT = ${INSTALL_PROGRAM} # to something more interesting, like "arm-linux-". If you want # to compile vs uClibc, that can be done here as well. CROSS = #/usr/i386-linux-uclibc/usr/bin/i386-uclibc- -CC = $(CROSS)gcc -LD = $(CROSS)gcc -STRIP = $(CROSS)strip +CROSS_COMPILE ?= $(CROSS) +CC = $(CROSS_COMPILE)gcc +LD = $(CROSS_COMPILE)gcc +STRIP = $(CROSS_COMPILE)strip HOSTCC = gcc # check if compiler option is supported diff --git a/tools/power/x86/turbostat/Makefile b/tools/power/x86/turbostat/Makefile index e367b1a85d70..8561e7ddca59 100644 --- a/tools/power/x86/turbostat/Makefile +++ b/tools/power/x86/turbostat/Makefile @@ -1,7 +1,7 @@ CC = $(CROSS_COMPILE)gcc BUILD_OUTPUT := $(CURDIR) -PREFIX := /usr -DESTDIR := +PREFIX ?= /usr +DESTDIR ?= ifeq ("$(origin O)", "command line") BUILD_OUTPUT := $(O) diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8 index 89a55d5e32f3..492e84fbebfa 100644 --- a/tools/power/x86/turbostat/turbostat.8 +++ b/tools/power/x86/turbostat/turbostat.8 @@ -123,7 +123,7 @@ cpu0: MSR_NHM_PLATFORM_INFO: 0x80838f3012300 35 * 100 = 3500 MHz TSC frequency cpu0: MSR_IA32_POWER_CTL: 0x0004005d (C1E auto-promotion: DISabled) cpu0: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x1e000400 (UNdemote-C3, UNdemote-C1, demote-C3, demote-C1, UNlocked: pkg-cstate-limit=0: pc0) -cpu0: MSR_NHM_TURBO_RATIO_LIMIT: 0x25262727 +cpu0: MSR_TURBO_RATIO_LIMIT: 0x25262727 37 * 100 = 3700 MHz max turbo 4 active cores 38 * 100 = 3800 MHz max turbo 3 active cores 39 * 100 = 3900 MHz max turbo 2 active cores diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index acbf7ff2ee6e..3e199b508a96 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -1480,7 +1480,7 @@ dump_knl_turbo_ratio_limits(void) unsigned int cores[buckets_no]; unsigned int ratio[buckets_no]; - get_msr(base_cpu, MSR_NHM_TURBO_RATIO_LIMIT, &msr); + get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr); fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr); diff --git a/tools/scripts/Makefile.arch b/tools/scripts/Makefile.arch index e11fbd6fae78..ad85b921a607 100644 --- a/tools/scripts/Makefile.arch +++ b/tools/scripts/Makefile.arch @@ -1,8 +1,4 @@ -ifndef ARCH -ARCH := $(shell uname -m 2>/dev/null || echo not) -endif - -ARCH := $(shell echo $(ARCH) | sed -e s/i.86/x86/ -e s/x86_64/x86/ \ +HOSTARCH := $(shell uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ \ -e s/sun4u/sparc/ -e s/sparc64/sparc/ \ -e /arm64/!s/arm.*/arm/ -e s/sa110/arm/ \ -e s/s390x/s390/ -e s/parisc64/parisc/ \ @@ -10,6 +6,41 @@ ARCH := $(shell echo $(ARCH) | sed -e s/i.86/x86/ -e s/x86_64/x86/ \ -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ \ -e s/tile.*/tile/ ) +ifndef ARCH +ARCH := $(HOSTARCH) +endif + +SRCARCH := $(ARCH) + +# Additional ARCH settings for x86 +ifeq ($(ARCH),i386) + SRCARCH := x86 +endif +ifeq ($(ARCH),x86_64) + SRCARCH := x86 +endif + +# Additional ARCH settings for sparc +ifeq ($(ARCH),sparc32) + SRCARCH := sparc +endif +ifeq ($(ARCH),sparc64) + SRCARCH := sparc +endif + +# Additional ARCH settings for sh +ifeq ($(ARCH),sh64) + SRCARCH := sh +endif + +# Additional ARCH settings for tile +ifeq ($(ARCH),tilepro) + SRCARCH := tile +endif +ifeq ($(ARCH),tilegx) + SRCARCH := tile +endif + LP64 := $(shell echo __LP64__ | ${CC} ${CFLAGS} -E -x c - | tail -n 1) ifeq ($(LP64), 1) IS_64_BIT := 1 diff --git a/tools/testing/radix-tree/tag_check.c b/tools/testing/radix-tree/tag_check.c index b7447ceb75e9..b0ac05741750 100644 --- a/tools/testing/radix-tree/tag_check.c +++ b/tools/testing/radix-tree/tag_check.c @@ -122,7 +122,7 @@ enum { NODE_TAGGED = 2, }; -#define THRASH_SIZE 1000 * 1000 +#define THRASH_SIZE (1000 * 1000) #define N 127 #define BATCH 33 diff --git a/tools/testing/selftests/rcutorture/bin/functions.sh b/tools/testing/selftests/rcutorture/bin/functions.sh index b325470c01b3..1426a9b97494 100644 --- a/tools/testing/selftests/rcutorture/bin/functions.sh +++ b/tools/testing/selftests/rcutorture/bin/functions.sh @@ -99,8 +99,9 @@ configfrag_hotplug_cpu () { # identify_boot_image qemu-cmd # # Returns the relative path to the kernel build image. This will be -# arch/<arch>/boot/bzImage unless overridden with the TORTURE_BOOT_IMAGE -# environment variable. +# arch/<arch>/boot/bzImage or vmlinux if bzImage is not a target for the +# architecture, unless overridden with the TORTURE_BOOT_IMAGE environment +# variable. identify_boot_image () { if test -n "$TORTURE_BOOT_IMAGE" then @@ -110,11 +111,8 @@ identify_boot_image () { qemu-system-x86_64|qemu-system-i386) echo arch/x86/boot/bzImage ;; - qemu-system-ppc64) - echo arch/powerpc/boot/bzImage - ;; *) - echo "" + echo vmlinux ;; esac fi @@ -175,7 +173,7 @@ identify_qemu_args () { qemu-system-x86_64|qemu-system-i386) ;; qemu-system-ppc64) - echo -enable-kvm -M pseries -cpu POWER7 -nodefaults + echo -enable-kvm -M pseries -nodefaults echo -device spapr-vscsi if test -n "$TORTURE_QEMU_INTERACTIVE" -a -n "$TORTURE_QEMU_MAC" then diff --git a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh index 4109f306d855..ea6e373edc27 100755 --- a/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh +++ b/tools/testing/selftests/rcutorture/bin/kvm-test-1-run.sh @@ -8,9 +8,9 @@ # # Usage: kvm-test-1-run.sh config builddir resdir seconds qemu-args boot_args # -# qemu-args defaults to "-enable-kvm -soundhw pcspk -nographic", along with -# arguments specifying the number of CPUs and other -# options generated from the underlying CPU architecture. +# qemu-args defaults to "-enable-kvm -nographic", along with arguments +# specifying the number of CPUs and other options +# generated from the underlying CPU architecture. # boot_args defaults to value returned by the per_version_boot_params # shell function. # @@ -96,7 +96,8 @@ if test "$base_resdir" != "$resdir" -a -f $base_resdir/bzImage -a -f $base_resdi then # Rerunning previous test, so use that test's kernel. QEMU="`identify_qemu $base_resdir/vmlinux`" - KERNEL=$base_resdir/bzImage + BOOT_IMAGE="`identify_boot_image $QEMU`" + KERNEL=$base_resdir/${BOOT_IMAGE##*/} # use the last component of ${BOOT_IMAGE} ln -s $base_resdir/Make*.out $resdir # for kvm-recheck.sh ln -s $base_resdir/.config $resdir # for kvm-recheck.sh elif kvm-build.sh $config_template $builddir $T @@ -110,7 +111,7 @@ then if test -n "$BOOT_IMAGE" then cp $builddir/$BOOT_IMAGE $resdir - KERNEL=$resdir/bzImage + KERNEL=$resdir/${BOOT_IMAGE##*/} else echo No identifiable boot image, not running KVM, see $resdir. echo Do the torture scripts know about your architecture? @@ -147,7 +148,7 @@ then fi # Generate -smp qemu argument. -qemu_args="-enable-kvm -soundhw pcspk -nographic $qemu_args" +qemu_args="-enable-kvm -nographic $qemu_args" cpu_count=`configNR_CPUS.sh $config_template` cpu_count=`configfrag_boot_cpus "$boot_args" "$config_template" "$cpu_count"` vcpus=`identify_qemu_vcpus` @@ -229,6 +230,7 @@ fi if test $commandcompleted -eq 0 -a -n "$qemu_pid" then echo Grace period for qemu job at pid $qemu_pid + oldline="`tail $resdir/console.log`" while : do kruntime=`awk 'BEGIN { print systime() - '"$kstarttime"' }' < /dev/null` @@ -238,13 +240,29 @@ then else break fi - if test $kruntime -ge $((seconds + $TORTURE_SHUTDOWN_GRACE)) + must_continue=no + newline="`tail $resdir/console.log`" + if test "$newline" != "$oldline" && echo $newline | grep -q ' [0-9]\+us : ' + then + must_continue=yes + fi + last_ts="`tail $resdir/console.log | grep '^\[ *[0-9]\+\.[0-9]\+]' | tail -1 | sed -e 's/^\[ *//' -e 's/\..*$//'`" + if test -z "last_ts" + then + last_ts=0 + fi + if test "$newline" != "$oldline" -a "$last_ts" -lt $((seconds + $TORTURE_SHUTDOWN_GRACE)) + then + must_continue=yes + fi + if test $must_continue = no -a $kruntime -ge $((seconds + $TORTURE_SHUTDOWN_GRACE)) then echo "!!! PID $qemu_pid hung at $kruntime vs. $seconds seconds" >> $resdir/Warnings 2>&1 kill -KILL $qemu_pid break fi - sleep 1 + oldline=$newline + sleep 10 done elif test -z "$qemu_pid" then diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh index 0d598145873e..0aed965f0062 100755 --- a/tools/testing/selftests/rcutorture/bin/kvm.sh +++ b/tools/testing/selftests/rcutorture/bin/kvm.sh @@ -48,7 +48,7 @@ resdir="" configs="" cpus=0 ds=`date +%Y.%m.%d-%H:%M:%S` -jitter=0 +jitter="-1" . functions.sh diff --git a/tools/testing/selftests/rcutorture/bin/parse-console.sh b/tools/testing/selftests/rcutorture/bin/parse-console.sh index 5eb49b7f864c..08aa7d50ae0e 100755 --- a/tools/testing/selftests/rcutorture/bin/parse-console.sh +++ b/tools/testing/selftests/rcutorture/bin/parse-console.sh @@ -33,7 +33,7 @@ if grep -Pq '\x00' < $file then print_warning Console output contains nul bytes, old qemu still running? fi -egrep 'Badness|WARNING:|Warn|BUG|===========|Call Trace:|Oops:|detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state' < $file | grep -v 'ODEBUG: ' | grep -v 'Warning: unable to open an initial console' > $1.diags +egrep 'Badness|WARNING:|Warn|BUG|===========|Call Trace:|Oops:|detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state|rcu_.*kthread starved for' < $file | grep -v 'ODEBUG: ' | grep -v 'Warning: unable to open an initial console' > $1.diags if test -s $1.diags then print_warning Assertion failure in $file $title @@ -69,6 +69,11 @@ then then summary="$summary Stalls: $n_stalls" fi + n_starves=`grep -c 'rcu_.*kthread starved for' $1` + if test "$n_starves" -ne 0 + then + summary="$summary Starves: $n_starves" + fi print_warning Summary: $summary else rm $1.diags diff --git a/tools/testing/selftests/rcutorture/doc/initrd.txt b/tools/testing/selftests/rcutorture/doc/initrd.txt index 4170e714f044..833f826d6ec2 100644 --- a/tools/testing/selftests/rcutorture/doc/initrd.txt +++ b/tools/testing/selftests/rcutorture/doc/initrd.txt @@ -13,6 +13,22 @@ cd initrd cpio -id < /tmp/initrd.img.zcat ------------------------------------------------------------------------ +Another way to create an initramfs image is using "dracut"[1], which is +available on many distros, however the initramfs dracut generates is a cpio +archive with another cpio archive in it, so an extra step is needed to create +the initrd directory hierarchy. + +Here are the commands to create a initrd directory for rcutorture using +dracut: + +------------------------------------------------------------------------ +dracut --no-hostonly --no-hostonly-cmdline --module "base bash shutdown" /tmp/initramfs.img +cd tools/testing/selftests/rcutorture +mkdir initrd +cd initrd +/usr/lib/dracut/skipcpio /tmp/initramfs.img | zcat | cpio -id < /tmp/initramfs.img +------------------------------------------------------------------------ + Interestingly enough, if you are running rcutorture, you don't really need userspace in many cases. Running without userspace has the advantage of allowing you to test your kernel independently of the @@ -89,3 +105,9 @@ while : do sleep 10 done +------------------------------------------------------------------------ + +References: +[1]: https://dracut.wiki.kernel.org/index.php/Main_Page +[2]: http://blog.elastocloud.org/2015/06/rapid-linux-kernel-devtest-with-qemu.html +[3]: https://www.centos.org/forums/viewtopic.php?t=51621 diff --git a/tools/testing/selftests/x86/Makefile b/tools/testing/selftests/x86/Makefile index c73425de3cfe..4f747ee07f10 100644 --- a/tools/testing/selftests/x86/Makefile +++ b/tools/testing/selftests/x86/Makefile @@ -4,8 +4,8 @@ include ../lib.mk .PHONY: all all_32 all_64 warn_32bit_failure clean -TARGETS_C_BOTHBITS := single_step_syscall sysret_ss_attrs syscall_nt ptrace_syscall \ - check_initial_reg_state sigreturn ldt_gdt iopl +TARGETS_C_BOTHBITS := single_step_syscall sysret_ss_attrs syscall_nt ptrace_syscall test_mremap_vdso \ + check_initial_reg_state sigreturn ldt_gdt iopl mpx-mini-test TARGETS_C_32BIT_ONLY := entry_from_vm86 syscall_arg_fault test_syscall_vdso unwind_vdso \ test_FCMOV test_FCOMI test_FISTTP \ vdso_restorer diff --git a/tools/testing/selftests/x86/mpx-debug.h b/tools/testing/selftests/x86/mpx-debug.h new file mode 100644 index 000000000000..9230981f2e12 --- /dev/null +++ b/tools/testing/selftests/x86/mpx-debug.h @@ -0,0 +1,14 @@ +#ifndef _MPX_DEBUG_H +#define _MPX_DEBUG_H + +#ifndef DEBUG_LEVEL +#define DEBUG_LEVEL 0 +#endif +#define dprintf_level(level, args...) do { if(level <= DEBUG_LEVEL) printf(args); } while(0) +#define dprintf1(args...) dprintf_level(1, args) +#define dprintf2(args...) dprintf_level(2, args) +#define dprintf3(args...) dprintf_level(3, args) +#define dprintf4(args...) dprintf_level(4, args) +#define dprintf5(args...) dprintf_level(5, args) + +#endif /* _MPX_DEBUG_H */ diff --git a/tools/testing/selftests/x86/mpx-dig.c b/tools/testing/selftests/x86/mpx-dig.c new file mode 100644 index 000000000000..ce85356d7e2e --- /dev/null +++ b/tools/testing/selftests/x86/mpx-dig.c @@ -0,0 +1,498 @@ +/* + * Written by Dave Hansen <dave.hansen@intel.com> + */ + +#include <stdlib.h> +#include <sys/types.h> +#include <unistd.h> +#include <stdio.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include <sys/mman.h> +#include <string.h> +#include <fcntl.h> +#include "mpx-debug.h" +#include "mpx-mm.h" +#include "mpx-hw.h" + +unsigned long bounds_dir_global; + +#define mpx_dig_abort() __mpx_dig_abort(__FILE__, __func__, __LINE__) +static void inline __mpx_dig_abort(const char *file, const char *func, int line) +{ + fprintf(stderr, "MPX dig abort @ %s::%d in %s()\n", file, line, func); + printf("MPX dig abort @ %s::%d in %s()\n", file, line, func); + abort(); +} + +/* + * run like this (BDIR finds the probably bounds directory): + * + * BDIR="$(cat /proc/$pid/smaps | grep -B1 2097152 \ + * | head -1 | awk -F- '{print $1}')"; + * ./mpx-dig $pid 0x$BDIR + * + * NOTE: + * assumes that the only 2097152-kb VMA is the bounds dir + */ + +long nr_incore(void *ptr, unsigned long size_bytes) +{ + int i; + long ret = 0; + long vec_len = size_bytes / PAGE_SIZE; + unsigned char *vec = malloc(vec_len); + int incore_ret; + + if (!vec) + mpx_dig_abort(); + + incore_ret = mincore(ptr, size_bytes, vec); + if (incore_ret) { + printf("mincore ret: %d\n", incore_ret); + perror("mincore"); + mpx_dig_abort(); + } + for (i = 0; i < vec_len; i++) + ret += vec[i]; + free(vec); + return ret; +} + +int open_proc(int pid, char *file) +{ + static char buf[100]; + int fd; + + snprintf(&buf[0], sizeof(buf), "/proc/%d/%s", pid, file); + fd = open(&buf[0], O_RDONLY); + if (fd < 0) + perror(buf); + + return fd; +} + +struct vaddr_range { + unsigned long start; + unsigned long end; +}; +struct vaddr_range *ranges; +int nr_ranges_allocated; +int nr_ranges_populated; +int last_range = -1; + +int __pid_load_vaddrs(int pid) +{ + int ret = 0; + int proc_maps_fd = open_proc(pid, "maps"); + char linebuf[10000]; + unsigned long start; + unsigned long end; + char rest[1000]; + FILE *f = fdopen(proc_maps_fd, "r"); + + if (!f) + mpx_dig_abort(); + nr_ranges_populated = 0; + while (!feof(f)) { + char *readret = fgets(linebuf, sizeof(linebuf), f); + int parsed; + + if (readret == NULL) { + if (feof(f)) + break; + mpx_dig_abort(); + } + + parsed = sscanf(linebuf, "%lx-%lx%s", &start, &end, rest); + if (parsed != 3) + mpx_dig_abort(); + + dprintf4("result[%d]: %lx-%lx<->%s\n", parsed, start, end, rest); + if (nr_ranges_populated >= nr_ranges_allocated) { + ret = -E2BIG; + break; + } + ranges[nr_ranges_populated].start = start; + ranges[nr_ranges_populated].end = end; + nr_ranges_populated++; + } + last_range = -1; + fclose(f); + close(proc_maps_fd); + return ret; +} + +int pid_load_vaddrs(int pid) +{ + int ret; + + dprintf2("%s(%d)\n", __func__, pid); + if (!ranges) { + nr_ranges_allocated = 4; + ranges = malloc(nr_ranges_allocated * sizeof(ranges[0])); + dprintf2("%s(%d) allocated %d ranges @ %p\n", __func__, pid, + nr_ranges_allocated, ranges); + assert(ranges != NULL); + } + do { + ret = __pid_load_vaddrs(pid); + if (!ret) + break; + if (ret == -E2BIG) { + dprintf2("%s(%d) need to realloc\n", __func__, pid); + nr_ranges_allocated *= 2; + ranges = realloc(ranges, + nr_ranges_allocated * sizeof(ranges[0])); + dprintf2("%s(%d) allocated %d ranges @ %p\n", __func__, + pid, nr_ranges_allocated, ranges); + assert(ranges != NULL); + dprintf1("reallocating to hold %d ranges\n", nr_ranges_allocated); + } + } while (1); + + dprintf2("%s(%d) done\n", __func__, pid); + + return ret; +} + +static inline int vaddr_in_range(unsigned long vaddr, struct vaddr_range *r) +{ + if (vaddr < r->start) + return 0; + if (vaddr >= r->end) + return 0; + return 1; +} + +static inline int vaddr_mapped_by_range(unsigned long vaddr) +{ + int i; + + if (last_range > 0 && vaddr_in_range(vaddr, &ranges[last_range])) + return 1; + + for (i = 0; i < nr_ranges_populated; i++) { + struct vaddr_range *r = &ranges[i]; + + if (vaddr_in_range(vaddr, r)) + continue; + last_range = i; + return 1; + } + return 0; +} + +const int bt_entry_size_bytes = sizeof(unsigned long) * 4; + +void *read_bounds_table_into_buf(unsigned long table_vaddr) +{ +#ifdef MPX_DIG_STANDALONE + static char bt_buf[MPX_BOUNDS_TABLE_SIZE_BYTES]; + off_t seek_ret = lseek(fd, table_vaddr, SEEK_SET); + if (seek_ret != table_vaddr) + mpx_dig_abort(); + + int read_ret = read(fd, &bt_buf, sizeof(bt_buf)); + if (read_ret != sizeof(bt_buf)) + mpx_dig_abort(); + return &bt_buf; +#else + return (void *)table_vaddr; +#endif +} + +int dump_table(unsigned long table_vaddr, unsigned long base_controlled_vaddr, + unsigned long bde_vaddr) +{ + unsigned long offset_inside_bt; + int nr_entries = 0; + int do_abort = 0; + char *bt_buf; + + dprintf3("%s() base_controlled_vaddr: 0x%012lx bde_vaddr: 0x%012lx\n", + __func__, base_controlled_vaddr, bde_vaddr); + + bt_buf = read_bounds_table_into_buf(table_vaddr); + + dprintf4("%s() read done\n", __func__); + + for (offset_inside_bt = 0; + offset_inside_bt < MPX_BOUNDS_TABLE_SIZE_BYTES; + offset_inside_bt += bt_entry_size_bytes) { + unsigned long bt_entry_index; + unsigned long bt_entry_controls; + unsigned long this_bt_entry_for_vaddr; + unsigned long *bt_entry_buf; + int i; + + dprintf4("%s() offset_inside_bt: 0x%lx of 0x%llx\n", __func__, + offset_inside_bt, MPX_BOUNDS_TABLE_SIZE_BYTES); + bt_entry_buf = (void *)&bt_buf[offset_inside_bt]; + if (!bt_buf) { + printf("null bt_buf\n"); + mpx_dig_abort(); + } + if (!bt_entry_buf) { + printf("null bt_entry_buf\n"); + mpx_dig_abort(); + } + dprintf4("%s() reading *bt_entry_buf @ %p\n", __func__, + bt_entry_buf); + if (!bt_entry_buf[0] && + !bt_entry_buf[1] && + !bt_entry_buf[2] && + !bt_entry_buf[3]) + continue; + + nr_entries++; + + bt_entry_index = offset_inside_bt/bt_entry_size_bytes; + bt_entry_controls = sizeof(void *); + this_bt_entry_for_vaddr = + base_controlled_vaddr + bt_entry_index*bt_entry_controls; + /* + * We sign extend vaddr bits 48->63 which effectively + * creates a hole in the virtual address space. + * This calculation corrects for the hole. + */ + if (this_bt_entry_for_vaddr > 0x00007fffffffffffUL) + this_bt_entry_for_vaddr |= 0xffff800000000000; + + if (!vaddr_mapped_by_range(this_bt_entry_for_vaddr)) { + printf("bt_entry_buf: %p\n", bt_entry_buf); + printf("there is a bte for %lx but no mapping\n", + this_bt_entry_for_vaddr); + printf(" bde vaddr: %016lx\n", bde_vaddr); + printf("base_controlled_vaddr: %016lx\n", base_controlled_vaddr); + printf(" table_vaddr: %016lx\n", table_vaddr); + printf(" entry vaddr: %016lx @ offset %lx\n", + table_vaddr + offset_inside_bt, offset_inside_bt); + do_abort = 1; + mpx_dig_abort(); + } + if (DEBUG_LEVEL < 4) + continue; + + printf("table entry[%lx]: ", offset_inside_bt); + for (i = 0; i < bt_entry_size_bytes; i += sizeof(unsigned long)) + printf("0x%016lx ", bt_entry_buf[i]); + printf("\n"); + } + if (do_abort) + mpx_dig_abort(); + dprintf4("%s() done\n", __func__); + return nr_entries; +} + +int search_bd_buf(char *buf, int len_bytes, unsigned long bd_offset_bytes, + int *nr_populated_bdes) +{ + unsigned long i; + int total_entries = 0; + + dprintf3("%s(%p, %x, %lx, ...) buf end: %p\n", __func__, buf, + len_bytes, bd_offset_bytes, buf + len_bytes); + + for (i = 0; i < len_bytes; i += sizeof(unsigned long)) { + unsigned long bd_index = (bd_offset_bytes + i) / sizeof(unsigned long); + unsigned long *bounds_dir_entry_ptr = (unsigned long *)&buf[i]; + unsigned long bounds_dir_entry; + unsigned long bd_for_vaddr; + unsigned long bt_start; + unsigned long bt_tail; + int nr_entries; + + dprintf4("%s() loop i: %ld bounds_dir_entry_ptr: %p\n", __func__, i, + bounds_dir_entry_ptr); + + bounds_dir_entry = *bounds_dir_entry_ptr; + if (!bounds_dir_entry) { + dprintf4("no bounds dir at index 0x%lx / 0x%lx " + "start at offset:%lx %lx\n", bd_index, bd_index, + bd_offset_bytes, i); + continue; + } + dprintf3("found bounds_dir_entry: 0x%lx @ " + "index 0x%lx buf ptr: %p\n", bounds_dir_entry, i, + &buf[i]); + /* mask off the enable bit: */ + bounds_dir_entry &= ~0x1; + (*nr_populated_bdes)++; + dprintf4("nr_populated_bdes: %p\n", nr_populated_bdes); + dprintf4("*nr_populated_bdes: %d\n", *nr_populated_bdes); + + bt_start = bounds_dir_entry; + bt_tail = bounds_dir_entry + MPX_BOUNDS_TABLE_SIZE_BYTES - 1; + if (!vaddr_mapped_by_range(bt_start)) { + printf("bounds directory 0x%lx points to nowhere\n", + bounds_dir_entry); + mpx_dig_abort(); + } + if (!vaddr_mapped_by_range(bt_tail)) { + printf("bounds directory end 0x%lx points to nowhere\n", + bt_tail); + mpx_dig_abort(); + } + /* + * Each bounds directory entry controls 1MB of virtual address + * space. This variable is the virtual address in the process + * of the beginning of the area controlled by this bounds_dir. + */ + bd_for_vaddr = bd_index * (1UL<<20); + + nr_entries = dump_table(bounds_dir_entry, bd_for_vaddr, + bounds_dir_global+bd_offset_bytes+i); + total_entries += nr_entries; + dprintf5("dir entry[%4ld @ %p]: 0x%lx %6d entries " + "total this buf: %7d bd_for_vaddrs: 0x%lx -> 0x%lx\n", + bd_index, buf+i, + bounds_dir_entry, nr_entries, total_entries, + bd_for_vaddr, bd_for_vaddr + (1UL<<20)); + } + dprintf3("%s(%p, %x, %lx, ...) done\n", __func__, buf, len_bytes, + bd_offset_bytes); + return total_entries; +} + +int proc_pid_mem_fd = -1; + +void *fill_bounds_dir_buf_other(long byte_offset_inside_bounds_dir, + long buffer_size_bytes, void *buffer) +{ + unsigned long seekto = bounds_dir_global + byte_offset_inside_bounds_dir; + int read_ret; + off_t seek_ret = lseek(proc_pid_mem_fd, seekto, SEEK_SET); + + if (seek_ret != seekto) + mpx_dig_abort(); + + read_ret = read(proc_pid_mem_fd, buffer, buffer_size_bytes); + /* there shouldn't practically be short reads of /proc/$pid/mem */ + if (read_ret != buffer_size_bytes) + mpx_dig_abort(); + + return buffer; +} +void *fill_bounds_dir_buf_self(long byte_offset_inside_bounds_dir, + long buffer_size_bytes, void *buffer) + +{ + unsigned char vec[buffer_size_bytes / PAGE_SIZE]; + char *dig_bounds_dir_ptr = + (void *)(bounds_dir_global + byte_offset_inside_bounds_dir); + /* + * use mincore() to quickly find the areas of the bounds directory + * that have memory and thus will be worth scanning. + */ + int incore_ret; + + int incore = 0; + int i; + + dprintf4("%s() dig_bounds_dir_ptr: %p\n", __func__, dig_bounds_dir_ptr); + + incore_ret = mincore(dig_bounds_dir_ptr, buffer_size_bytes, &vec[0]); + if (incore_ret) { + printf("mincore ret: %d\n", incore_ret); + perror("mincore"); + mpx_dig_abort(); + } + for (i = 0; i < sizeof(vec); i++) + incore += vec[i]; + dprintf4("%s() total incore: %d\n", __func__, incore); + if (!incore) + return NULL; + dprintf3("%s() total incore: %d\n", __func__, incore); + return dig_bounds_dir_ptr; +} + +int inspect_pid(int pid) +{ + static int dig_nr; + long offset_inside_bounds_dir; + char bounds_dir_buf[sizeof(unsigned long) * (1UL << 15)]; + char *dig_bounds_dir_ptr; + int total_entries = 0; + int nr_populated_bdes = 0; + int inspect_self; + + if (getpid() == pid) { + dprintf4("inspecting self\n"); + inspect_self = 1; + } else { + dprintf4("inspecting pid %d\n", pid); + mpx_dig_abort(); + } + + for (offset_inside_bounds_dir = 0; + offset_inside_bounds_dir < MPX_BOUNDS_TABLE_SIZE_BYTES; + offset_inside_bounds_dir += sizeof(bounds_dir_buf)) { + static int bufs_skipped; + int this_entries; + + if (inspect_self) { + dig_bounds_dir_ptr = + fill_bounds_dir_buf_self(offset_inside_bounds_dir, + sizeof(bounds_dir_buf), + &bounds_dir_buf[0]); + } else { + dig_bounds_dir_ptr = + fill_bounds_dir_buf_other(offset_inside_bounds_dir, + sizeof(bounds_dir_buf), + &bounds_dir_buf[0]); + } + if (!dig_bounds_dir_ptr) { + bufs_skipped++; + continue; + } + this_entries = search_bd_buf(dig_bounds_dir_ptr, + sizeof(bounds_dir_buf), + offset_inside_bounds_dir, + &nr_populated_bdes); + total_entries += this_entries; + } + printf("mpx dig (%3d) complete, SUCCESS (%8d / %4d)\n", ++dig_nr, + total_entries, nr_populated_bdes); + return total_entries + nr_populated_bdes; +} + +#ifdef MPX_DIG_REMOTE +int main(int argc, char **argv) +{ + int err; + char *c; + unsigned long bounds_dir_entry; + int pid; + + printf("mpx-dig starting...\n"); + err = sscanf(argv[1], "%d", &pid); + printf("parsing: '%s', err: %d\n", argv[1], err); + if (err != 1) + mpx_dig_abort(); + + err = sscanf(argv[2], "%lx", &bounds_dir_global); + printf("parsing: '%s': %d\n", argv[2], err); + if (err != 1) + mpx_dig_abort(); + + proc_pid_mem_fd = open_proc(pid, "mem"); + if (proc_pid_mem_fd < 0) + mpx_dig_abort(); + + inspect_pid(pid); + return 0; +} +#endif + +long inspect_me(struct mpx_bounds_dir *bounds_dir) +{ + int pid = getpid(); + + pid_load_vaddrs(pid); + bounds_dir_global = (unsigned long)bounds_dir; + dprintf4("enter %s() bounds dir: %p\n", __func__, bounds_dir); + return inspect_pid(pid); +} diff --git a/tools/testing/selftests/x86/mpx-hw.h b/tools/testing/selftests/x86/mpx-hw.h new file mode 100644 index 000000000000..093c190178a9 --- /dev/null +++ b/tools/testing/selftests/x86/mpx-hw.h @@ -0,0 +1,123 @@ +#ifndef _MPX_HW_H +#define _MPX_HW_H + +#include <assert.h> + +/* Describe the MPX Hardware Layout in here */ + +#define NR_MPX_BOUNDS_REGISTERS 4 + +#ifdef __i386__ + +#define MPX_BOUNDS_TABLE_ENTRY_SIZE_BYTES 16 /* 4 * 32-bits */ +#define MPX_BOUNDS_TABLE_SIZE_BYTES (1ULL << 14) /* 16k */ +#define MPX_BOUNDS_DIR_ENTRY_SIZE_BYTES 4 +#define MPX_BOUNDS_DIR_SIZE_BYTES (1ULL << 22) /* 4MB */ + +#define MPX_BOUNDS_TABLE_BOTTOM_BIT 2 +#define MPX_BOUNDS_TABLE_TOP_BIT 11 +#define MPX_BOUNDS_DIR_BOTTOM_BIT 12 +#define MPX_BOUNDS_DIR_TOP_BIT 31 + +#else + +/* + * Linear Address of "pointer" (LAp) + * 0 -> 2: ignored + * 3 -> 19: index in to bounds table + * 20 -> 47: index in to bounds directory + * 48 -> 63: ignored + */ + +#define MPX_BOUNDS_TABLE_ENTRY_SIZE_BYTES 32 +#define MPX_BOUNDS_TABLE_SIZE_BYTES (1ULL << 22) /* 4MB */ +#define MPX_BOUNDS_DIR_ENTRY_SIZE_BYTES 8 +#define MPX_BOUNDS_DIR_SIZE_BYTES (1ULL << 31) /* 2GB */ + +#define MPX_BOUNDS_TABLE_BOTTOM_BIT 3 +#define MPX_BOUNDS_TABLE_TOP_BIT 19 +#define MPX_BOUNDS_DIR_BOTTOM_BIT 20 +#define MPX_BOUNDS_DIR_TOP_BIT 47 + +#endif + +#define MPX_BOUNDS_DIR_NR_ENTRIES \ + (MPX_BOUNDS_DIR_SIZE_BYTES/MPX_BOUNDS_DIR_ENTRY_SIZE_BYTES) +#define MPX_BOUNDS_TABLE_NR_ENTRIES \ + (MPX_BOUNDS_TABLE_SIZE_BYTES/MPX_BOUNDS_TABLE_ENTRY_SIZE_BYTES) + +#define MPX_BOUNDS_TABLE_ENTRY_VALID_BIT 0x1 + +struct mpx_bd_entry { + union { + char x[MPX_BOUNDS_DIR_ENTRY_SIZE_BYTES]; + void *contents[1]; + }; +} __attribute__((packed)); + +struct mpx_bt_entry { + union { + char x[MPX_BOUNDS_TABLE_ENTRY_SIZE_BYTES]; + unsigned long contents[1]; + }; +} __attribute__((packed)); + +struct mpx_bounds_dir { + struct mpx_bd_entry entries[MPX_BOUNDS_DIR_NR_ENTRIES]; +} __attribute__((packed)); + +struct mpx_bounds_table { + struct mpx_bt_entry entries[MPX_BOUNDS_TABLE_NR_ENTRIES]; +} __attribute__((packed)); + +static inline unsigned long GET_BITS(unsigned long val, int bottombit, int topbit) +{ + int total_nr_bits = topbit - bottombit; + unsigned long mask = (1UL << total_nr_bits)-1; + return (val >> bottombit) & mask; +} + +static inline unsigned long __vaddr_bounds_table_index(void *vaddr) +{ + return GET_BITS((unsigned long)vaddr, MPX_BOUNDS_TABLE_BOTTOM_BIT, + MPX_BOUNDS_TABLE_TOP_BIT); +} + +static inline unsigned long __vaddr_bounds_directory_index(void *vaddr) +{ + return GET_BITS((unsigned long)vaddr, MPX_BOUNDS_DIR_BOTTOM_BIT, + MPX_BOUNDS_DIR_TOP_BIT); +} + +static inline struct mpx_bd_entry *mpx_vaddr_to_bd_entry(void *vaddr, + struct mpx_bounds_dir *bounds_dir) +{ + unsigned long index = __vaddr_bounds_directory_index(vaddr); + return &bounds_dir->entries[index]; +} + +static inline int bd_entry_valid(struct mpx_bd_entry *bounds_dir_entry) +{ + unsigned long __bd_entry = (unsigned long)bounds_dir_entry->contents; + return (__bd_entry & MPX_BOUNDS_TABLE_ENTRY_VALID_BIT); +} + +static inline struct mpx_bounds_table * +__bd_entry_to_bounds_table(struct mpx_bd_entry *bounds_dir_entry) +{ + unsigned long __bd_entry = (unsigned long)bounds_dir_entry->contents; + assert(__bd_entry & MPX_BOUNDS_TABLE_ENTRY_VALID_BIT); + __bd_entry &= ~MPX_BOUNDS_TABLE_ENTRY_VALID_BIT; + return (struct mpx_bounds_table *)__bd_entry; +} + +static inline struct mpx_bt_entry * +mpx_vaddr_to_bt_entry(void *vaddr, struct mpx_bounds_dir *bounds_dir) +{ + struct mpx_bd_entry *bde = mpx_vaddr_to_bd_entry(vaddr, bounds_dir); + struct mpx_bounds_table *bt = __bd_entry_to_bounds_table(bde); + unsigned long index = __vaddr_bounds_table_index(vaddr); + return &bt->entries[index]; +} + +#endif /* _MPX_HW_H */ diff --git a/tools/testing/selftests/x86/mpx-mini-test.c b/tools/testing/selftests/x86/mpx-mini-test.c new file mode 100644 index 000000000000..616ee9673339 --- /dev/null +++ b/tools/testing/selftests/x86/mpx-mini-test.c @@ -0,0 +1,1585 @@ +/* + * mpx-mini-test.c: routines to test Intel MPX (Memory Protection eXtentions) + * + * Written by: + * "Ren, Qiaowei" <qiaowei.ren@intel.com> + * "Wei, Gang" <gang.wei@intel.com> + * "Hansen, Dave" <dave.hansen@intel.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2. + */ + +/* + * 2014-12-05: Dave Hansen: fixed all of the compiler warnings, and made sure + * it works on 32-bit. + */ + +int inspect_every_this_many_mallocs = 100; +int zap_all_every_this_many_mallocs = 1000; + +#define _GNU_SOURCE +#define _LARGEFILE64_SOURCE + +#include <string.h> +#include <stdio.h> +#include <stdint.h> +#include <stdbool.h> +#include <signal.h> +#include <assert.h> +#include <stdlib.h> +#include <ucontext.h> +#include <sys/mman.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> + +#include "mpx-hw.h" +#include "mpx-debug.h" +#include "mpx-mm.h" + +#ifndef __always_inline +#define __always_inline inline __attribute__((always_inline) +#endif + +#ifndef TEST_DURATION_SECS +#define TEST_DURATION_SECS 3 +#endif + +void write_int_to(char *prefix, char *file, int int_to_write) +{ + char buf[100]; + int fd = open(file, O_RDWR); + int len; + int ret; + + assert(fd >= 0); + len = snprintf(buf, sizeof(buf), "%s%d", prefix, int_to_write); + assert(len >= 0); + assert(len < sizeof(buf)); + ret = write(fd, buf, len); + assert(ret == len); + ret = close(fd); + assert(!ret); +} + +void write_pid_to(char *prefix, char *file) +{ + write_int_to(prefix, file, getpid()); +} + +void trace_me(void) +{ +/* tracing events dir */ +#define TED "/sys/kernel/debug/tracing/events/" +/* + write_pid_to("common_pid=", TED "signal/filter"); + write_pid_to("common_pid=", TED "exceptions/filter"); + write_int_to("", TED "signal/enable", 1); + write_int_to("", TED "exceptions/enable", 1); +*/ + write_pid_to("", "/sys/kernel/debug/tracing/set_ftrace_pid"); + write_int_to("", "/sys/kernel/debug/tracing/trace", 0); +} + +#define test_failed() __test_failed(__FILE__, __LINE__) +static void __test_failed(char *f, int l) +{ + fprintf(stderr, "abort @ %s::%d\n", f, l); + abort(); +} + +/* Error Printf */ +#define eprintf(args...) fprintf(stderr, args) + +#ifdef __i386__ + +/* i386 directory size is 4MB */ +#define REG_IP_IDX REG_EIP +#define REX_PREFIX + +#define XSAVE_OFFSET_IN_FPMEM sizeof(struct _libc_fpstate) + +/* + * __cpuid() is from the Linux Kernel: + */ +static inline void __cpuid(unsigned int *eax, unsigned int *ebx, + unsigned int *ecx, unsigned int *edx) +{ + /* ecx is often an input as well as an output. */ + asm volatile( + "push %%ebx;" + "cpuid;" + "mov %%ebx, %1;" + "pop %%ebx" + : "=a" (*eax), + "=g" (*ebx), + "=c" (*ecx), + "=d" (*edx) + : "0" (*eax), "2" (*ecx)); +} + +#else /* __i386__ */ + +#define REG_IP_IDX REG_RIP +#define REX_PREFIX "0x48, " + +#define XSAVE_OFFSET_IN_FPMEM 0 + +/* + * __cpuid() is from the Linux Kernel: + */ +static inline void __cpuid(unsigned int *eax, unsigned int *ebx, + unsigned int *ecx, unsigned int *edx) +{ + /* ecx is often an input as well as an output. */ + asm volatile( + "cpuid;" + : "=a" (*eax), + "=b" (*ebx), + "=c" (*ecx), + "=d" (*edx) + : "0" (*eax), "2" (*ecx)); +} + +#endif /* !__i386__ */ + +struct xsave_hdr_struct { + uint64_t xstate_bv; + uint64_t reserved1[2]; + uint64_t reserved2[5]; +} __attribute__((packed)); + +struct bndregs_struct { + uint64_t bndregs[8]; +} __attribute__((packed)); + +struct bndcsr_struct { + uint64_t cfg_reg_u; + uint64_t status_reg; +} __attribute__((packed)); + +struct xsave_struct { + uint8_t fpu_sse[512]; + struct xsave_hdr_struct xsave_hdr; + uint8_t ymm[256]; + uint8_t lwp[128]; + struct bndregs_struct bndregs; + struct bndcsr_struct bndcsr; +} __attribute__((packed)); + +uint8_t __attribute__((__aligned__(64))) buffer[4096]; +struct xsave_struct *xsave_buf = (struct xsave_struct *)buffer; + +uint8_t __attribute__((__aligned__(64))) test_buffer[4096]; +struct xsave_struct *xsave_test_buf = (struct xsave_struct *)test_buffer; + +uint64_t num_bnd_chk; + +static __always_inline void xrstor_state(struct xsave_struct *fx, uint64_t mask) +{ + uint32_t lmask = mask; + uint32_t hmask = mask >> 32; + + asm volatile(".byte " REX_PREFIX "0x0f,0xae,0x2f\n\t" + : : "D" (fx), "m" (*fx), "a" (lmask), "d" (hmask) + : "memory"); +} + +static __always_inline void xsave_state_1(void *_fx, uint64_t mask) +{ + uint32_t lmask = mask; + uint32_t hmask = mask >> 32; + unsigned char *fx = _fx; + + asm volatile(".byte " REX_PREFIX "0x0f,0xae,0x27\n\t" + : : "D" (fx), "m" (*fx), "a" (lmask), "d" (hmask) + : "memory"); +} + +static inline uint64_t xgetbv(uint32_t index) +{ + uint32_t eax, edx; + + asm volatile(".byte 0x0f,0x01,0xd0" /* xgetbv */ + : "=a" (eax), "=d" (edx) + : "c" (index)); + return eax + ((uint64_t)edx << 32); +} + +static uint64_t read_mpx_status_sig(ucontext_t *uctxt) +{ + memset(buffer, 0, sizeof(buffer)); + memcpy(buffer, + (uint8_t *)uctxt->uc_mcontext.fpregs + XSAVE_OFFSET_IN_FPMEM, + sizeof(struct xsave_struct)); + + return xsave_buf->bndcsr.status_reg; +} + +#include <pthread.h> + +static uint8_t *get_next_inst_ip(uint8_t *addr) +{ + uint8_t *ip = addr; + uint8_t sib; + uint8_t rm; + uint8_t mod; + uint8_t base; + uint8_t modrm; + + /* determine the prefix. */ + switch(*ip) { + case 0xf2: + case 0xf3: + case 0x66: + ip++; + break; + } + + /* look for rex prefix */ + if ((*ip & 0x40) == 0x40) + ip++; + + /* Make sure we have a MPX instruction. */ + if (*ip++ != 0x0f) + return addr; + + /* Skip the op code byte. */ + ip++; + + /* Get the modrm byte. */ + modrm = *ip++; + + /* Break it down into parts. */ + rm = modrm & 7; + mod = (modrm >> 6); + + /* Init the parts of the address mode. */ + base = 8; + + /* Is it a mem mode? */ + if (mod != 3) { + /* look for scaled indexed addressing */ + if (rm == 4) { + /* SIB addressing */ + sib = *ip++; + base = sib & 7; + switch (mod) { + case 0: + if (base == 5) + ip += 4; + break; + + case 1: + ip++; + break; + + case 2: + ip += 4; + break; + } + + } else { + /* MODRM addressing */ + switch (mod) { + case 0: + /* DISP32 addressing, no base */ + if (rm == 5) + ip += 4; + break; + + case 1: + ip++; + break; + + case 2: + ip += 4; + break; + } + } + } + return ip; +} + +#ifdef si_lower +static inline void *__si_bounds_lower(siginfo_t *si) +{ + return si->si_lower; +} + +static inline void *__si_bounds_upper(siginfo_t *si) +{ + return si->si_upper; +} +#else +static inline void **__si_bounds_hack(siginfo_t *si) +{ + void *sigfault = &si->_sifields._sigfault; + void *end_sigfault = sigfault + sizeof(si->_sifields._sigfault); + void **__si_lower = end_sigfault; + + return __si_lower; +} + +static inline void *__si_bounds_lower(siginfo_t *si) +{ + return *__si_bounds_hack(si); +} + +static inline void *__si_bounds_upper(siginfo_t *si) +{ + return (*__si_bounds_hack(si)) + sizeof(void *); +} +#endif + +static int br_count; +static int expected_bnd_index = -1; +uint64_t shadow_plb[NR_MPX_BOUNDS_REGISTERS][2]; /* shadow MPX bound registers */ +unsigned long shadow_map[NR_MPX_BOUNDS_REGISTERS]; + +/* + * The kernel is supposed to provide some information about the bounds + * exception in the siginfo. It should match what we have in the bounds + * registers that we are checking against. Just check against the shadow copy + * since it is easily available, and we also check that *it* matches the real + * registers. + */ +void check_siginfo_vs_shadow(siginfo_t* si) +{ + int siginfo_ok = 1; + void *shadow_lower = (void *)(unsigned long)shadow_plb[expected_bnd_index][0]; + void *shadow_upper = (void *)(unsigned long)shadow_plb[expected_bnd_index][1]; + + if ((expected_bnd_index < 0) || + (expected_bnd_index >= NR_MPX_BOUNDS_REGISTERS)) { + fprintf(stderr, "ERROR: invalid expected_bnd_index: %d\n", + expected_bnd_index); + exit(6); + } + if (__si_bounds_lower(si) != shadow_lower) + siginfo_ok = 0; + if (__si_bounds_upper(si) != shadow_upper) + siginfo_ok = 0; + + if (!siginfo_ok) { + fprintf(stderr, "ERROR: siginfo bounds do not match " + "shadow bounds for register %d\n", expected_bnd_index); + exit(7); + } +} + +void handler(int signum, siginfo_t *si, void *vucontext) +{ + int i; + ucontext_t *uctxt = vucontext; + int trapno; + unsigned long ip; + + dprintf1("entered signal handler\n"); + + trapno = uctxt->uc_mcontext.gregs[REG_TRAPNO]; + ip = uctxt->uc_mcontext.gregs[REG_IP_IDX]; + + if (trapno == 5) { + typeof(si->si_addr) *si_addr_ptr = &si->si_addr; + uint64_t status = read_mpx_status_sig(uctxt); + uint64_t br_reason = status & 0x3; + + br_count++; + dprintf1("#BR 0x%jx (total seen: %d)\n", status, br_count); + +#define __SI_FAULT (3 << 16) +#define SEGV_BNDERR (__SI_FAULT|3) /* failed address bound checks */ + + dprintf2("Saw a #BR! status 0x%jx at %016lx br_reason: %jx\n", + status, ip, br_reason); + dprintf2("si_signo: %d\n", si->si_signo); + dprintf2(" signum: %d\n", signum); + dprintf2("info->si_code == SEGV_BNDERR: %d\n", + (si->si_code == SEGV_BNDERR)); + dprintf2("info->si_code: %d\n", si->si_code); + dprintf2("info->si_lower: %p\n", __si_bounds_lower(si)); + dprintf2("info->si_upper: %p\n", __si_bounds_upper(si)); + + check_siginfo_vs_shadow(si); + + for (i = 0; i < 8; i++) + dprintf3("[%d]: %p\n", i, si_addr_ptr[i]); + switch (br_reason) { + case 0: /* traditional BR */ + fprintf(stderr, + "Undefined status with bound exception:%jx\n", + status); + exit(5); + case 1: /* #BR MPX bounds exception */ + /* these are normal and we expect to see them */ + dprintf1("bounds exception (normal): status 0x%jx at %p si_addr: %p\n", + status, (void *)ip, si->si_addr); + num_bnd_chk++; + uctxt->uc_mcontext.gregs[REG_IP_IDX] = + (greg_t)get_next_inst_ip((uint8_t *)ip); + break; + case 2: + fprintf(stderr, "#BR status == 2, missing bounds table," + "kernel should have handled!!\n"); + exit(4); + break; + default: + fprintf(stderr, "bound check error: status 0x%jx at %p\n", + status, (void *)ip); + num_bnd_chk++; + uctxt->uc_mcontext.gregs[REG_IP_IDX] = + (greg_t)get_next_inst_ip((uint8_t *)ip); + fprintf(stderr, "bound check error: si_addr %p\n", si->si_addr); + exit(3); + } + } else if (trapno == 14) { + eprintf("ERROR: In signal handler, page fault, trapno = %d, ip = %016lx\n", + trapno, ip); + eprintf("si_addr %p\n", si->si_addr); + eprintf("REG_ERR: %lx\n", (unsigned long)uctxt->uc_mcontext.gregs[REG_ERR]); + test_failed(); + } else { + eprintf("unexpected trap %d! at 0x%lx\n", trapno, ip); + eprintf("si_addr %p\n", si->si_addr); + eprintf("REG_ERR: %lx\n", (unsigned long)uctxt->uc_mcontext.gregs[REG_ERR]); + test_failed(); + } +} + +static inline void cpuid_count(unsigned int op, int count, + unsigned int *eax, unsigned int *ebx, + unsigned int *ecx, unsigned int *edx) +{ + *eax = op; + *ecx = count; + __cpuid(eax, ebx, ecx, edx); +} + +#define XSTATE_CPUID 0x0000000d + +/* + * List of XSAVE features Linux knows about: + */ +enum xfeature_bit { + XSTATE_BIT_FP, + XSTATE_BIT_SSE, + XSTATE_BIT_YMM, + XSTATE_BIT_BNDREGS, + XSTATE_BIT_BNDCSR, + XSTATE_BIT_OPMASK, + XSTATE_BIT_ZMM_Hi256, + XSTATE_BIT_Hi16_ZMM, + + XFEATURES_NR_MAX, +}; + +#define XSTATE_FP (1 << XSTATE_BIT_FP) +#define XSTATE_SSE (1 << XSTATE_BIT_SSE) +#define XSTATE_YMM (1 << XSTATE_BIT_YMM) +#define XSTATE_BNDREGS (1 << XSTATE_BIT_BNDREGS) +#define XSTATE_BNDCSR (1 << XSTATE_BIT_BNDCSR) +#define XSTATE_OPMASK (1 << XSTATE_BIT_OPMASK) +#define XSTATE_ZMM_Hi256 (1 << XSTATE_BIT_ZMM_Hi256) +#define XSTATE_Hi16_ZMM (1 << XSTATE_BIT_Hi16_ZMM) + +#define MPX_XSTATES (XSTATE_BNDREGS | XSTATE_BNDCSR) /* 0x18 */ + +bool one_bit(unsigned int x, int bit) +{ + return !!(x & (1<<bit)); +} + +void print_state_component(int state_bit_nr, char *name) +{ + unsigned int eax, ebx, ecx, edx; + unsigned int state_component_size; + unsigned int state_component_supervisor; + unsigned int state_component_user; + unsigned int state_component_aligned; + + /* See SDM Section 13.2 */ + cpuid_count(XSTATE_CPUID, state_bit_nr, &eax, &ebx, &ecx, &edx); + assert(eax || ebx || ecx); + state_component_size = eax; + state_component_supervisor = ((!ebx) && one_bit(ecx, 0)); + state_component_user = !one_bit(ecx, 0); + state_component_aligned = one_bit(ecx, 1); + printf("%8s: size: %d user: %d supervisor: %d aligned: %d\n", + name, + state_component_size, state_component_user, + state_component_supervisor, state_component_aligned); + +} + +/* Intel-defined CPU features, CPUID level 0x00000001 (ecx) */ +#define XSAVE_FEATURE_BIT (26) /* XSAVE/XRSTOR/XSETBV/XGETBV */ +#define OSXSAVE_FEATURE_BIT (27) /* XSAVE enabled in the OS */ + +bool check_mpx_support(void) +{ + unsigned int eax, ebx, ecx, edx; + + cpuid_count(1, 0, &eax, &ebx, &ecx, &edx); + + /* We can't do much without XSAVE, so just make these assert()'s */ + if (!one_bit(ecx, XSAVE_FEATURE_BIT)) { + fprintf(stderr, "processor lacks XSAVE, can not run MPX tests\n"); + exit(0); + } + + if (!one_bit(ecx, OSXSAVE_FEATURE_BIT)) { + fprintf(stderr, "processor lacks OSXSAVE, can not run MPX tests\n"); + exit(0); + } + + /* CPUs not supporting the XSTATE CPUID leaf do not support MPX */ + /* Is this redundant with the feature bit checks? */ + cpuid_count(0, 0, &eax, &ebx, &ecx, &edx); + if (eax < XSTATE_CPUID) { + fprintf(stderr, "processor lacks XSTATE CPUID leaf," + " can not run MPX tests\n"); + exit(0); + } + + printf("XSAVE is supported by HW & OS\n"); + + cpuid_count(XSTATE_CPUID, 0, &eax, &ebx, &ecx, &edx); + + printf("XSAVE processor supported state mask: 0x%x\n", eax); + printf("XSAVE OS supported state mask: 0x%jx\n", xgetbv(0)); + + /* Make sure that the MPX states are enabled in in XCR0 */ + if ((eax & MPX_XSTATES) != MPX_XSTATES) { + fprintf(stderr, "processor lacks MPX XSTATE(s), can not run MPX tests\n"); + exit(0); + } + + /* Make sure the MPX states are supported by XSAVE* */ + if ((xgetbv(0) & MPX_XSTATES) != MPX_XSTATES) { + fprintf(stderr, "MPX XSTATE(s) no enabled in XCR0, " + "can not run MPX tests\n"); + exit(0); + } + + print_state_component(XSTATE_BIT_BNDREGS, "BNDREGS"); + print_state_component(XSTATE_BIT_BNDCSR, "BNDCSR"); + + return true; +} + +void enable_mpx(void *l1base) +{ + /* enable point lookup */ + memset(buffer, 0, sizeof(buffer)); + xrstor_state(xsave_buf, 0x18); + + xsave_buf->xsave_hdr.xstate_bv = 0x10; + xsave_buf->bndcsr.cfg_reg_u = (unsigned long)l1base | 1; + xsave_buf->bndcsr.status_reg = 0; + + dprintf2("bf xrstor\n"); + dprintf2("xsave cndcsr: status %jx, configu %jx\n", + xsave_buf->bndcsr.status_reg, xsave_buf->bndcsr.cfg_reg_u); + xrstor_state(xsave_buf, 0x18); + dprintf2("after xrstor\n"); + + xsave_state_1(xsave_buf, 0x18); + + dprintf1("xsave bndcsr: status %jx, configu %jx\n", + xsave_buf->bndcsr.status_reg, xsave_buf->bndcsr.cfg_reg_u); +} + +#include <sys/prctl.h> + +struct mpx_bounds_dir *bounds_dir_ptr; + +unsigned long __bd_incore(const char *func, int line) +{ + unsigned long ret = nr_incore(bounds_dir_ptr, MPX_BOUNDS_DIR_SIZE_BYTES); + return ret; +} +#define bd_incore() __bd_incore(__func__, __LINE__) + +void check_clear(void *ptr, unsigned long sz) +{ + unsigned long *i; + + for (i = ptr; (void *)i < ptr + sz; i++) { + if (*i) { + dprintf1("%p is NOT clear at %p\n", ptr, i); + assert(0); + } + } + dprintf1("%p is clear for %lx\n", ptr, sz); +} + +void check_clear_bd(void) +{ + check_clear(bounds_dir_ptr, 2UL << 30); +} + +#define USE_MALLOC_FOR_BOUNDS_DIR 1 +bool process_specific_init(void) +{ + unsigned long size; + unsigned long *dir; + /* Guarantee we have the space to align it, add padding: */ + unsigned long pad = getpagesize(); + + size = 2UL << 30; /* 2GB */ + if (sizeof(unsigned long) == 4) + size = 4UL << 20; /* 4MB */ + dprintf1("trying to allocate %ld MB bounds directory\n", (size >> 20)); + + if (USE_MALLOC_FOR_BOUNDS_DIR) { + unsigned long _dir; + + dir = malloc(size + pad); + assert(dir); + _dir = (unsigned long)dir; + _dir += 0xfffUL; + _dir &= ~0xfffUL; + dir = (void *)_dir; + } else { + /* + * This makes debugging easier because the address + * calculations are simpler: + */ + dir = mmap((void *)0x200000000000, size + pad, + PROT_READ|PROT_WRITE, + MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); + if (dir == (void *)-1) { + perror("unable to allocate bounds directory"); + abort(); + } + check_clear(dir, size); + } + bounds_dir_ptr = (void *)dir; + madvise(bounds_dir_ptr, size, MADV_NOHUGEPAGE); + bd_incore(); + dprintf1("bounds directory: 0x%p -> 0x%p\n", bounds_dir_ptr, + (char *)bounds_dir_ptr + size); + check_clear(dir, size); + enable_mpx(dir); + check_clear(dir, size); + if (prctl(43, 0, 0, 0, 0)) { + printf("no MPX support\n"); + abort(); + return false; + } + return true; +} + +bool process_specific_finish(void) +{ + if (prctl(44)) { + printf("no MPX support\n"); + return false; + } + return true; +} + +void setup_handler() +{ + int r, rs; + struct sigaction newact; + struct sigaction oldact; + + /* #BR is mapped to sigsegv */ + int signum = SIGSEGV; + + newact.sa_handler = 0; /* void(*)(int)*/ + newact.sa_sigaction = handler; /* void (*)(int, siginfo_t*, void *) */ + + /*sigset_t - signals to block while in the handler */ + /* get the old signal mask. */ + rs = sigprocmask(SIG_SETMASK, 0, &newact.sa_mask); + assert(rs == 0); + + /* call sa_sigaction, not sa_handler*/ + newact.sa_flags = SA_SIGINFO; + + newact.sa_restorer = 0; /* void(*)(), obsolete */ + r = sigaction(signum, &newact, &oldact); + assert(r == 0); +} + +void mpx_prepare(void) +{ + dprintf2("%s()\n", __func__); + setup_handler(); + process_specific_init(); +} + +void mpx_cleanup(void) +{ + printf("%s(): %jd BRs. bye...\n", __func__, num_bnd_chk); + process_specific_finish(); +} + +/*-------------- the following is test case ---------------*/ +#include <stdint.h> +#include <stdbool.h> +#include <stdlib.h> +#include <stdio.h> +#include <time.h> + +uint64_t num_lower_brs; +uint64_t num_upper_brs; + +#define MPX_CONFIG_OFFSET 1024 +#define MPX_BOUNDS_OFFSET 960 +#define MPX_HEADER_OFFSET 512 +#define MAX_ADDR_TESTED (1<<28) +#define TEST_ROUNDS 100 + +/* + 0F 1A /r BNDLDX-Load + 0F 1B /r BNDSTX-Store Extended Bounds Using Address Translation + 66 0F 1A /r BNDMOV bnd1, bnd2/m128 + 66 0F 1B /r BNDMOV bnd1/m128, bnd2 + F2 0F 1A /r BNDCU bnd, r/m64 + F2 0F 1B /r BNDCN bnd, r/m64 + F3 0F 1A /r BNDCL bnd, r/m64 + F3 0F 1B /r BNDMK bnd, m64 +*/ + +static __always_inline void xsave_state(void *_fx, uint64_t mask) +{ + uint32_t lmask = mask; + uint32_t hmask = mask >> 32; + unsigned char *fx = _fx; + + asm volatile(".byte " REX_PREFIX "0x0f,0xae,0x27\n\t" + : : "D" (fx), "m" (*fx), "a" (lmask), "d" (hmask) + : "memory"); +} + +static __always_inline void mpx_clear_bnd0(void) +{ + long size = 0; + void *ptr = NULL; + /* F3 0F 1B /r BNDMK bnd, m64 */ + /* f3 0f 1b 04 11 bndmk (%rcx,%rdx,1),%bnd0 */ + asm volatile(".byte 0xf3,0x0f,0x1b,0x04,0x11\n\t" + : : "c" (ptr), "d" (size-1) + : "memory"); +} + +static __always_inline void mpx_make_bound_helper(unsigned long ptr, + unsigned long size) +{ + /* F3 0F 1B /r BNDMK bnd, m64 */ + /* f3 0f 1b 04 11 bndmk (%rcx,%rdx,1),%bnd0 */ + asm volatile(".byte 0xf3,0x0f,0x1b,0x04,0x11\n\t" + : : "c" (ptr), "d" (size-1) + : "memory"); +} + +static __always_inline void mpx_check_lowerbound_helper(unsigned long ptr) +{ + /* F3 0F 1A /r NDCL bnd, r/m64 */ + /* f3 0f 1a 01 bndcl (%rcx),%bnd0 */ + asm volatile(".byte 0xf3,0x0f,0x1a,0x01\n\t" + : : "c" (ptr) + : "memory"); +} + +static __always_inline void mpx_check_upperbound_helper(unsigned long ptr) +{ + /* F2 0F 1A /r BNDCU bnd, r/m64 */ + /* f2 0f 1a 01 bndcu (%rcx),%bnd0 */ + asm volatile(".byte 0xf2,0x0f,0x1a,0x01\n\t" + : : "c" (ptr) + : "memory"); +} + +static __always_inline void mpx_movbndreg_helper() +{ + /* 66 0F 1B /r BNDMOV bnd1/m128, bnd2 */ + /* 66 0f 1b c2 bndmov %bnd0,%bnd2 */ + + asm volatile(".byte 0x66,0x0f,0x1b,0xc2\n\t"); +} + +static __always_inline void mpx_movbnd2mem_helper(uint8_t *mem) +{ + /* 66 0F 1B /r BNDMOV bnd1/m128, bnd2 */ + /* 66 0f 1b 01 bndmov %bnd0,(%rcx) */ + asm volatile(".byte 0x66,0x0f,0x1b,0x01\n\t" + : : "c" (mem) + : "memory"); +} + +static __always_inline void mpx_movbnd_from_mem_helper(uint8_t *mem) +{ + /* 66 0F 1A /r BNDMOV bnd1, bnd2/m128 */ + /* 66 0f 1a 01 bndmov (%rcx),%bnd0 */ + asm volatile(".byte 0x66,0x0f,0x1a,0x01\n\t" + : : "c" (mem) + : "memory"); +} + +static __always_inline void mpx_store_dsc_helper(unsigned long ptr_addr, + unsigned long ptr_val) +{ + /* 0F 1B /r BNDSTX-Store Extended Bounds Using Address Translation */ + /* 0f 1b 04 11 bndstx %bnd0,(%rcx,%rdx,1) */ + asm volatile(".byte 0x0f,0x1b,0x04,0x11\n\t" + : : "c" (ptr_addr), "d" (ptr_val) + : "memory"); +} + +static __always_inline void mpx_load_dsc_helper(unsigned long ptr_addr, + unsigned long ptr_val) +{ + /* 0F 1A /r BNDLDX-Load */ + /*/ 0f 1a 04 11 bndldx (%rcx,%rdx,1),%bnd0 */ + asm volatile(".byte 0x0f,0x1a,0x04,0x11\n\t" + : : "c" (ptr_addr), "d" (ptr_val) + : "memory"); +} + +void __print_context(void *__print_xsave_buffer, int line) +{ + uint64_t *bounds = (uint64_t *)(__print_xsave_buffer + MPX_BOUNDS_OFFSET); + uint64_t *cfg = (uint64_t *)(__print_xsave_buffer + MPX_CONFIG_OFFSET); + + int i; + eprintf("%s()::%d\n", "print_context", line); + for (i = 0; i < 4; i++) { + eprintf("bound[%d]: 0x%016lx 0x%016lx(0x%016lx)\n", i, + (unsigned long)bounds[i*2], + ~(unsigned long)bounds[i*2+1], + (unsigned long)bounds[i*2+1]); + } + + eprintf("cpcfg: %jx cpstatus: %jx\n", cfg[0], cfg[1]); +} +#define print_context(x) __print_context(x, __LINE__) +#ifdef DEBUG +#define dprint_context(x) print_context(x) +#else +#define dprint_context(x) do{}while(0) +#endif + +void init() +{ + int i; + + srand((unsigned int)time(NULL)); + + for (i = 0; i < 4; i++) { + shadow_plb[i][0] = 0; + shadow_plb[i][1] = ~(unsigned long)0; + } +} + +long int __mpx_random(int line) +{ +#ifdef NOT_SO_RANDOM + static long fake = 722122311; + fake += 563792075; + return fakse; +#else + return random(); +#endif +} +#define mpx_random() __mpx_random(__LINE__) + +uint8_t *get_random_addr() +{ + uint8_t*addr = (uint8_t *)(unsigned long)(rand() % MAX_ADDR_TESTED); + return (addr - (unsigned long)addr % sizeof(uint8_t *)); +} + +static inline bool compare_context(void *__xsave_buffer) +{ + uint64_t *bounds = (uint64_t *)(__xsave_buffer + MPX_BOUNDS_OFFSET); + + int i; + for (i = 0; i < 4; i++) { + dprintf3("shadow[%d]{%016lx/%016lx}\nbounds[%d]{%016lx/%016lx}\n", + i, (unsigned long)shadow_plb[i][0], (unsigned long)shadow_plb[i][1], + i, (unsigned long)bounds[i*2], ~(unsigned long)bounds[i*2+1]); + if ((shadow_plb[i][0] != bounds[i*2]) || + (shadow_plb[i][1] != ~(unsigned long)bounds[i*2+1])) { + eprintf("ERROR comparing shadow to real bound register %d\n", i); + eprintf("shadow{0x%016lx/0x%016lx}\nbounds{0x%016lx/0x%016lx}\n", + (unsigned long)shadow_plb[i][0], (unsigned long)shadow_plb[i][1], + (unsigned long)bounds[i*2], (unsigned long)bounds[i*2+1]); + return false; + } + } + + return true; +} + +void mkbnd_shadow(uint8_t *ptr, int index, long offset) +{ + uint64_t *lower = (uint64_t *)&(shadow_plb[index][0]); + uint64_t *upper = (uint64_t *)&(shadow_plb[index][1]); + *lower = (unsigned long)ptr; + *upper = (unsigned long)ptr + offset - 1; +} + +void check_lowerbound_shadow(uint8_t *ptr, int index) +{ + uint64_t *lower = (uint64_t *)&(shadow_plb[index][0]); + if (*lower > (uint64_t)(unsigned long)ptr) + num_lower_brs++; + else + dprintf1("LowerBoundChk passed:%p\n", ptr); +} + +void check_upperbound_shadow(uint8_t *ptr, int index) +{ + uint64_t upper = *(uint64_t *)&(shadow_plb[index][1]); + if (upper < (uint64_t)(unsigned long)ptr) + num_upper_brs++; + else + dprintf1("UpperBoundChk passed:%p\n", ptr); +} + +__always_inline void movbndreg_shadow(int src, int dest) +{ + shadow_plb[dest][0] = shadow_plb[src][0]; + shadow_plb[dest][1] = shadow_plb[src][1]; +} + +__always_inline void movbnd2mem_shadow(int src, unsigned long *dest) +{ + unsigned long *lower = (unsigned long *)&(shadow_plb[src][0]); + unsigned long *upper = (unsigned long *)&(shadow_plb[src][1]); + *dest = *lower; + *(dest+1) = *upper; +} + +__always_inline void movbnd_from_mem_shadow(unsigned long *src, int dest) +{ + unsigned long *lower = (unsigned long *)&(shadow_plb[dest][0]); + unsigned long *upper = (unsigned long *)&(shadow_plb[dest][1]); + *lower = *src; + *upper = *(src+1); +} + +__always_inline void stdsc_shadow(int index, uint8_t *ptr, uint8_t *ptr_val) +{ + shadow_map[0] = (unsigned long)shadow_plb[index][0]; + shadow_map[1] = (unsigned long)shadow_plb[index][1]; + shadow_map[2] = (unsigned long)ptr_val; + dprintf3("%s(%d, %p, %p) set shadow map[2]: %p\n", __func__, + index, ptr, ptr_val, ptr_val); + /*ptr ignored */ +} + +void lddsc_shadow(int index, uint8_t *ptr, uint8_t *ptr_val) +{ + uint64_t lower = shadow_map[0]; + uint64_t upper = shadow_map[1]; + uint8_t *value = (uint8_t *)shadow_map[2]; + + if (value != ptr_val) { + dprintf2("%s(%d, %p, %p) init shadow bounds[%d] " + "because %p != %p\n", __func__, index, ptr, + ptr_val, index, value, ptr_val); + shadow_plb[index][0] = 0; + shadow_plb[index][1] = ~(unsigned long)0; + } else { + shadow_plb[index][0] = lower; + shadow_plb[index][1] = upper; + } + /* ptr ignored */ +} + +static __always_inline void mpx_test_helper0(uint8_t *buf, uint8_t *ptr) +{ + mpx_make_bound_helper((unsigned long)ptr, 0x1800); +} + +static __always_inline void mpx_test_helper0_shadow(uint8_t *buf, uint8_t *ptr) +{ + mkbnd_shadow(ptr, 0, 0x1800); +} + +static __always_inline void mpx_test_helper1(uint8_t *buf, uint8_t *ptr) +{ + /* these are hard-coded to check bnd0 */ + expected_bnd_index = 0; + mpx_check_lowerbound_helper((unsigned long)(ptr-1)); + mpx_check_upperbound_helper((unsigned long)(ptr+0x1800)); + /* reset this since we do not expect any more bounds exceptions */ + expected_bnd_index = -1; +} + +static __always_inline void mpx_test_helper1_shadow(uint8_t *buf, uint8_t *ptr) +{ + check_lowerbound_shadow(ptr-1, 0); + check_upperbound_shadow(ptr+0x1800, 0); +} + +static __always_inline void mpx_test_helper2(uint8_t *buf, uint8_t *ptr) +{ + mpx_make_bound_helper((unsigned long)ptr, 0x1800); + mpx_movbndreg_helper(); + mpx_movbnd2mem_helper(buf); + mpx_make_bound_helper((unsigned long)(ptr+0x12), 0x1800); +} + +static __always_inline void mpx_test_helper2_shadow(uint8_t *buf, uint8_t *ptr) +{ + mkbnd_shadow(ptr, 0, 0x1800); + movbndreg_shadow(0, 2); + movbnd2mem_shadow(0, (unsigned long *)buf); + mkbnd_shadow(ptr+0x12, 0, 0x1800); +} + +static __always_inline void mpx_test_helper3(uint8_t *buf, uint8_t *ptr) +{ + mpx_movbnd_from_mem_helper(buf); +} + +static __always_inline void mpx_test_helper3_shadow(uint8_t *buf, uint8_t *ptr) +{ + movbnd_from_mem_shadow((unsigned long *)buf, 0); +} + +static __always_inline void mpx_test_helper4(uint8_t *buf, uint8_t *ptr) +{ + mpx_store_dsc_helper((unsigned long)buf, (unsigned long)ptr); + mpx_make_bound_helper((unsigned long)(ptr+0x12), 0x1800); +} + +static __always_inline void mpx_test_helper4_shadow(uint8_t *buf, uint8_t *ptr) +{ + stdsc_shadow(0, buf, ptr); + mkbnd_shadow(ptr+0x12, 0, 0x1800); +} + +static __always_inline void mpx_test_helper5(uint8_t *buf, uint8_t *ptr) +{ + mpx_load_dsc_helper((unsigned long)buf, (unsigned long)ptr); +} + +static __always_inline void mpx_test_helper5_shadow(uint8_t *buf, uint8_t *ptr) +{ + lddsc_shadow(0, buf, ptr); +} + +#define NR_MPX_TEST_FUNCTIONS 6 + +/* + * For compatibility reasons, MPX will clear the bounds registers + * when you make function calls (among other things). We have to + * preserve the registers in between calls to the "helpers" since + * they build on each other. + * + * Be very careful not to make any function calls inside the + * helpers, or anywhere else beween the xrstor and xsave. + */ +#define run_helper(helper_nr, buf, buf_shadow, ptr) do { \ + xrstor_state(xsave_test_buf, flags); \ + mpx_test_helper##helper_nr(buf, ptr); \ + xsave_state(xsave_test_buf, flags); \ + mpx_test_helper##helper_nr##_shadow(buf_shadow, ptr); \ +} while (0) + +static void run_helpers(int nr, uint8_t *buf, uint8_t *buf_shadow, uint8_t *ptr) +{ + uint64_t flags = 0x18; + + dprint_context(xsave_test_buf); + switch (nr) { + case 0: + run_helper(0, buf, buf_shadow, ptr); + break; + case 1: + run_helper(1, buf, buf_shadow, ptr); + break; + case 2: + run_helper(2, buf, buf_shadow, ptr); + break; + case 3: + run_helper(3, buf, buf_shadow, ptr); + break; + case 4: + run_helper(4, buf, buf_shadow, ptr); + break; + case 5: + run_helper(5, buf, buf_shadow, ptr); + break; + default: + test_failed(); + break; + } + dprint_context(xsave_test_buf); +} + +unsigned long buf_shadow[1024]; /* used to check load / store descriptors */ +extern long inspect_me(struct mpx_bounds_dir *bounds_dir); + +long cover_buf_with_bt_entries(void *buf, long buf_len) +{ + int i; + long nr_to_fill; + int ratio = 1000; + unsigned long buf_len_in_ptrs; + + /* Fill about 1/100 of the space with bt entries */ + nr_to_fill = buf_len / (sizeof(unsigned long) * ratio); + + if (!nr_to_fill) + dprintf3("%s() nr_to_fill: %ld\n", __func__, nr_to_fill); + + /* Align the buffer to pointer size */ + while (((unsigned long)buf) % sizeof(void *)) { + buf++; + buf_len--; + } + /* We are storing pointers, so make */ + buf_len_in_ptrs = buf_len / sizeof(void *); + + for (i = 0; i < nr_to_fill; i++) { + long index = (mpx_random() % buf_len_in_ptrs); + void *ptr = buf + index * sizeof(unsigned long); + unsigned long ptr_addr = (unsigned long)ptr; + + /* ptr and size can be anything */ + mpx_make_bound_helper((unsigned long)ptr, 8); + + /* + * take bnd0 and put it in to bounds tables "buf + index" is an + * address inside the buffer where we are pretending that we + * are going to put a pointer We do not, though because we will + * never load entries from the table, so it doesn't matter. + */ + mpx_store_dsc_helper(ptr_addr, (unsigned long)ptr); + dprintf4("storing bound table entry for %lx (buf start @ %p)\n", + ptr_addr, buf); + } + return nr_to_fill; +} + +unsigned long align_down(unsigned long alignme, unsigned long align_to) +{ + return alignme & ~(align_to-1); +} + +unsigned long align_up(unsigned long alignme, unsigned long align_to) +{ + return (alignme + align_to - 1) & ~(align_to-1); +} + +/* + * Using 1MB alignment guarantees that each no allocation + * will overlap with another's bounds tables. + * + * We have to cook our own allocator here. malloc() can + * mix other allocation with ours which means that even + * if we free all of our allocations, there might still + * be bounds tables for the *areas* since there is other + * valid memory there. + * + * We also can't use malloc() because a free() of an area + * might not free it back to the kernel. We want it + * completely unmapped an malloc() does not guarantee + * that. + */ +#ifdef __i386__ +long alignment = 4096; +long sz_alignment = 4096; +#else +long alignment = 1 * MB; +long sz_alignment = 1 * MB; +#endif +void *mpx_mini_alloc(unsigned long sz) +{ + unsigned long long tries = 0; + static void *last; + void *ptr; + void *try_at; + + sz = align_up(sz, sz_alignment); + + try_at = last + alignment; + while (1) { + ptr = mmap(try_at, sz, PROT_READ|PROT_WRITE, + MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); + if (ptr == (void *)-1) + return NULL; + if (ptr == try_at) + break; + + munmap(ptr, sz); + try_at += alignment; +#ifdef __i386__ + /* + * This isn't quite correct for 32-bit binaries + * on 64-bit kernels since they can use the + * entire 32-bit address space, but it's close + * enough. + */ + if (try_at > (void *)0xC0000000) +#else + if (try_at > (void *)0x0000800000000000) +#endif + try_at = (void *)0x0; + if (!(++tries % 10000)) + dprintf1("stuck in %s(), tries: %lld\n", __func__, tries); + continue; + } + last = ptr; + dprintf3("mpx_mini_alloc(0x%lx) returning: %p\n", sz, ptr); + return ptr; +} +void mpx_mini_free(void *ptr, long sz) +{ + dprintf2("%s() ptr: %p\n", __func__, ptr); + if ((unsigned long)ptr > 0x100000000000) { + dprintf1("uh oh !!!!!!!!!!!!!!! pointer too high: %p\n", ptr); + test_failed(); + } + sz = align_up(sz, sz_alignment); + dprintf3("%s() ptr: %p before munmap\n", __func__, ptr); + munmap(ptr, sz); + dprintf3("%s() ptr: %p DONE\n", __func__, ptr); +} + +#define NR_MALLOCS 100 +struct one_malloc { + char *ptr; + int nr_filled_btes; + unsigned long size; +}; +struct one_malloc mallocs[NR_MALLOCS]; + +void free_one_malloc(int index) +{ + unsigned long free_ptr; + unsigned long mask; + + if (!mallocs[index].ptr) + return; + + mpx_mini_free(mallocs[index].ptr, mallocs[index].size); + dprintf4("freed[%d]: %p\n", index, mallocs[index].ptr); + + free_ptr = (unsigned long)mallocs[index].ptr; + mask = alignment-1; + dprintf4("lowerbits: %lx / %lx mask: %lx\n", free_ptr, + (free_ptr & mask), mask); + assert((free_ptr & mask) == 0); + + mallocs[index].ptr = NULL; +} + +#ifdef __i386__ +#define MPX_BOUNDS_TABLE_COVERS 4096 +#else +#define MPX_BOUNDS_TABLE_COVERS (1 * MB) +#endif +void zap_everything(void) +{ + long after_zap; + long before_zap; + int i; + + before_zap = inspect_me(bounds_dir_ptr); + dprintf1("zapping everything start: %ld\n", before_zap); + for (i = 0; i < NR_MALLOCS; i++) + free_one_malloc(i); + + after_zap = inspect_me(bounds_dir_ptr); + dprintf1("zapping everything done: %ld\n", after_zap); + /* + * We only guarantee to empty the thing out if our allocations are + * exactly aligned on the boundaries of a boudns table. + */ + if ((alignment >= MPX_BOUNDS_TABLE_COVERS) && + (sz_alignment >= MPX_BOUNDS_TABLE_COVERS)) { + if (after_zap != 0) + test_failed(); + + assert(after_zap == 0); + } +} + +void do_one_malloc(void) +{ + static int malloc_counter; + long sz; + int rand_index = (mpx_random() % NR_MALLOCS); + void *ptr = mallocs[rand_index].ptr; + + dprintf3("%s() enter\n", __func__); + + if (ptr) { + dprintf3("freeing one malloc at index: %d\n", rand_index); + free_one_malloc(rand_index); + if (mpx_random() % (NR_MALLOCS*3) == 3) { + int i; + dprintf3("zapping some more\n"); + for (i = rand_index; i < NR_MALLOCS; i++) + free_one_malloc(i); + } + if ((mpx_random() % zap_all_every_this_many_mallocs) == 4) + zap_everything(); + } + + /* 1->~1M */ + sz = (1 + mpx_random() % 1000) * 1000; + ptr = mpx_mini_alloc(sz); + if (!ptr) { + /* + * If we are failing allocations, just assume we + * are out of memory and zap everything. + */ + dprintf3("zapping everything because out of memory\n"); + zap_everything(); + goto out; + } + + dprintf3("malloc: %p size: 0x%lx\n", ptr, sz); + mallocs[rand_index].nr_filled_btes = cover_buf_with_bt_entries(ptr, sz); + mallocs[rand_index].ptr = ptr; + mallocs[rand_index].size = sz; +out: + if ((++malloc_counter) % inspect_every_this_many_mallocs == 0) + inspect_me(bounds_dir_ptr); +} + +void run_timed_test(void (*test_func)(void)) +{ + int done = 0; + long iteration = 0; + static time_t last_print; + time_t now; + time_t start; + + time(&start); + while (!done) { + time(&now); + if ((now - start) > TEST_DURATION_SECS) + done = 1; + + test_func(); + iteration++; + + if ((now - last_print > 1) || done) { + printf("iteration %ld complete, OK so far\n", iteration); + last_print = now; + } + } +} + +void check_bounds_table_frees(void) +{ + printf("executing unmaptest\n"); + inspect_me(bounds_dir_ptr); + run_timed_test(&do_one_malloc); + printf("done with malloc() fun\n"); +} + +void insn_test_failed(int test_nr, int test_round, void *buf, + void *buf_shadow, void *ptr) +{ + print_context(xsave_test_buf); + eprintf("ERROR: test %d round %d failed\n", test_nr, test_round); + while (test_nr == 5) { + struct mpx_bt_entry *bte; + struct mpx_bounds_dir *bd = (void *)bounds_dir_ptr; + struct mpx_bd_entry *bde = mpx_vaddr_to_bd_entry(buf, bd); + + printf(" bd: %p\n", bd); + printf("&bde: %p\n", bde); + printf("*bde: %lx\n", *(unsigned long *)bde); + if (!bd_entry_valid(bde)) + break; + + bte = mpx_vaddr_to_bt_entry(buf, bd); + printf(" te: %p\n", bte); + printf("bte[0]: %lx\n", bte->contents[0]); + printf("bte[1]: %lx\n", bte->contents[1]); + printf("bte[2]: %lx\n", bte->contents[2]); + printf("bte[3]: %lx\n", bte->contents[3]); + break; + } + test_failed(); +} + +void check_mpx_insns_and_tables(void) +{ + int successes = 0; + int failures = 0; + int buf_size = (1024*1024); + unsigned long *buf = malloc(buf_size); + const int total_nr_tests = NR_MPX_TEST_FUNCTIONS * TEST_ROUNDS; + int i, j; + + memset(buf, 0, buf_size); + memset(buf_shadow, 0, sizeof(buf_shadow)); + + for (i = 0; i < TEST_ROUNDS; i++) { + uint8_t *ptr = get_random_addr() + 8; + + for (j = 0; j < NR_MPX_TEST_FUNCTIONS; j++) { + if (0 && j != 5) { + successes++; + continue; + } + dprintf2("starting test %d round %d\n", j, i); + dprint_context(xsave_test_buf); + /* + * test5 loads an address from the bounds tables. + * The load will only complete if 'ptr' matches + * the load and the store, so with random addrs, + * the odds of this are very small. Make it + * higher by only moving 'ptr' 1/10 times. + */ + if (random() % 10 <= 0) + ptr = get_random_addr() + 8; + dprintf3("random ptr{%p}\n", ptr); + dprint_context(xsave_test_buf); + run_helpers(j, (void *)buf, (void *)buf_shadow, ptr); + dprint_context(xsave_test_buf); + if (!compare_context(xsave_test_buf)) { + insn_test_failed(j, i, buf, buf_shadow, ptr); + failures++; + goto exit; + } + successes++; + dprint_context(xsave_test_buf); + dprintf2("finished test %d round %d\n", j, i); + dprintf3("\n"); + dprint_context(xsave_test_buf); + } + } + +exit: + dprintf2("\nabout to free:\n"); + free(buf); + dprintf1("successes: %d\n", successes); + dprintf1(" failures: %d\n", failures); + dprintf1(" tests: %d\n", total_nr_tests); + dprintf1(" expected: %jd #BRs\n", num_upper_brs + num_lower_brs); + dprintf1(" saw: %d #BRs\n", br_count); + if (failures) { + eprintf("ERROR: non-zero number of failures\n"); + exit(20); + } + if (successes != total_nr_tests) { + eprintf("ERROR: succeded fewer than number of tries (%d != %d)\n", + successes, total_nr_tests); + exit(21); + } + if (num_upper_brs + num_lower_brs != br_count) { + eprintf("ERROR: unexpected number of #BRs: %jd %jd %d\n", + num_upper_brs, num_lower_brs, br_count); + eprintf("successes: %d\n", successes); + eprintf(" failures: %d\n", failures); + eprintf(" tests: %d\n", total_nr_tests); + eprintf(" expected: %jd #BRs\n", num_upper_brs + num_lower_brs); + eprintf(" saw: %d #BRs\n", br_count); + exit(22); + } +} + +/* + * This is supposed to SIGSEGV nicely once the kernel + * can no longer allocate vaddr space. + */ +void exhaust_vaddr_space(void) +{ + unsigned long ptr; + /* Try to make sure there is no room for a bounds table anywhere */ + unsigned long skip = MPX_BOUNDS_TABLE_SIZE_BYTES - PAGE_SIZE; +#ifdef __i386__ + unsigned long max_vaddr = 0xf7788000UL; +#else + unsigned long max_vaddr = 0x800000000000UL; +#endif + + dprintf1("%s() start\n", __func__); + /* do not start at 0, we aren't allowed to map there */ + for (ptr = PAGE_SIZE; ptr < max_vaddr; ptr += skip) { + void *ptr_ret; + int ret = madvise((void *)ptr, PAGE_SIZE, MADV_NORMAL); + + if (!ret) { + dprintf1("madvise() %lx ret: %d\n", ptr, ret); + continue; + } + ptr_ret = mmap((void *)ptr, PAGE_SIZE, PROT_READ|PROT_WRITE, + MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); + if (ptr_ret != (void *)ptr) { + perror("mmap"); + dprintf1("mmap(%lx) ret: %p\n", ptr, ptr_ret); + break; + } + if (!(ptr & 0xffffff)) + dprintf1("mmap(%lx) ret: %p\n", ptr, ptr_ret); + } + for (ptr = PAGE_SIZE; ptr < max_vaddr; ptr += skip) { + dprintf2("covering 0x%lx with bounds table entries\n", ptr); + cover_buf_with_bt_entries((void *)ptr, PAGE_SIZE); + } + dprintf1("%s() end\n", __func__); + printf("done with vaddr space fun\n"); +} + +void mpx_table_test(void) +{ + printf("starting mpx bounds table test\n"); + run_timed_test(check_mpx_insns_and_tables); + printf("done with mpx bounds table test\n"); +} + +int main(int argc, char **argv) +{ + int unmaptest = 0; + int vaddrexhaust = 0; + int tabletest = 0; + int i; + + check_mpx_support(); + mpx_prepare(); + srandom(11179); + + bd_incore(); + init(); + bd_incore(); + + trace_me(); + + xsave_state((void *)xsave_test_buf, 0x1f); + if (!compare_context(xsave_test_buf)) + printf("Init failed\n"); + + for (i = 1; i < argc; i++) { + if (!strcmp(argv[i], "unmaptest")) + unmaptest = 1; + if (!strcmp(argv[i], "vaddrexhaust")) + vaddrexhaust = 1; + if (!strcmp(argv[i], "tabletest")) + tabletest = 1; + } + if (!(unmaptest || vaddrexhaust || tabletest)) { + unmaptest = 1; + /* vaddrexhaust = 1; */ + tabletest = 1; + } + if (unmaptest) + check_bounds_table_frees(); + if (tabletest) + mpx_table_test(); + if (vaddrexhaust) + exhaust_vaddr_space(); + printf("%s completed successfully\n", argv[0]); + exit(0); +} + +#include "mpx-dig.c" diff --git a/tools/testing/selftests/x86/mpx-mm.h b/tools/testing/selftests/x86/mpx-mm.h new file mode 100644 index 000000000000..af706a5398f7 --- /dev/null +++ b/tools/testing/selftests/x86/mpx-mm.h @@ -0,0 +1,9 @@ +#ifndef _MPX_MM_H +#define _MPX_MM_H + +#define PAGE_SIZE 4096 +#define MB (1UL<<20) + +extern long nr_incore(void *ptr, unsigned long size_bytes); + +#endif /* _MPX_MM_H */ diff --git a/tools/testing/selftests/x86/test_mremap_vdso.c b/tools/testing/selftests/x86/test_mremap_vdso.c new file mode 100644 index 000000000000..bf0d687c7db7 --- /dev/null +++ b/tools/testing/selftests/x86/test_mremap_vdso.c @@ -0,0 +1,111 @@ +/* + * 32-bit test to check vDSO mremap. + * + * Copyright (c) 2016 Dmitry Safonov + * Suggested-by: Andrew Lutomirski + * + * This program is free software; you can redistribute it and/or modify + * it under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ +/* + * Can be built statically: + * gcc -Os -Wall -static -m32 test_mremap_vdso.c + */ +#define _GNU_SOURCE +#include <stdio.h> +#include <errno.h> +#include <unistd.h> +#include <string.h> + +#include <sys/mman.h> +#include <sys/auxv.h> +#include <sys/syscall.h> +#include <sys/wait.h> + +#define PAGE_SIZE 4096 + +static int try_to_remap(void *vdso_addr, unsigned long size) +{ + void *dest_addr, *new_addr; + + /* Searching for memory location where to remap */ + dest_addr = mmap(0, size, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); + if (dest_addr == MAP_FAILED) { + printf("[WARN]\tmmap failed (%d): %m\n", errno); + return 0; + } + + printf("[NOTE]\tMoving vDSO: [%p, %#lx] -> [%p, %#lx]\n", + vdso_addr, (unsigned long)vdso_addr + size, + dest_addr, (unsigned long)dest_addr + size); + fflush(stdout); + + new_addr = mremap(vdso_addr, size, size, + MREMAP_FIXED|MREMAP_MAYMOVE, dest_addr); + if ((unsigned long)new_addr == (unsigned long)-1) { + munmap(dest_addr, size); + if (errno == EINVAL) { + printf("[NOTE]\tvDSO partial move failed, will try with bigger size\n"); + return -1; /* Retry with larger */ + } + printf("[FAIL]\tmremap failed (%d): %m\n", errno); + return 1; + } + + return 0; + +} + +int main(int argc, char **argv, char **envp) +{ + pid_t child; + + child = fork(); + if (child == -1) { + printf("[WARN]\tfailed to fork (%d): %m\n", errno); + return 1; + } + + if (child == 0) { + unsigned long vdso_size = PAGE_SIZE; + unsigned long auxval; + int ret = -1; + + auxval = getauxval(AT_SYSINFO_EHDR); + printf("\tAT_SYSINFO_EHDR is %#lx\n", auxval); + if (!auxval || auxval == -ENOENT) { + printf("[WARN]\tgetauxval failed\n"); + return 0; + } + + /* Simpler than parsing ELF header */ + while (ret < 0) { + ret = try_to_remap((void *)auxval, vdso_size); + vdso_size += PAGE_SIZE; + } + + /* Glibc is likely to explode now - exit with raw syscall */ + asm volatile ("int $0x80" : : "a" (__NR_exit), "b" (!!ret)); + } else { + int status; + + if (waitpid(child, &status, 0) != child || + !WIFEXITED(status)) { + printf("[FAIL]\tmremap() of the vDSO does not work on this kernel!\n"); + return 1; + } else if (WEXITSTATUS(status) != 0) { + printf("[FAIL]\tChild failed with %d\n", + WEXITSTATUS(status)); + return 1; + } + printf("[OK]\n"); + } + + return 0; +} diff --git a/tools/virtio/ringtest/Makefile b/tools/virtio/ringtest/Makefile index 6173adae9f08..877a8a4721b6 100644 --- a/tools/virtio/ringtest/Makefile +++ b/tools/virtio/ringtest/Makefile @@ -1,6 +1,6 @@ all: -all: ring virtio_ring_0_9 virtio_ring_poll virtio_ring_inorder noring +all: ring virtio_ring_0_9 virtio_ring_poll virtio_ring_inorder ptr_ring noring CFLAGS += -Wall CFLAGS += -pthread -O2 -ggdb @@ -8,6 +8,7 @@ LDFLAGS += -pthread -O2 -ggdb main.o: main.c main.h ring.o: ring.c main.h +ptr_ring.o: ptr_ring.c main.h ../../../include/linux/ptr_ring.h virtio_ring_0_9.o: virtio_ring_0_9.c main.h virtio_ring_poll.o: virtio_ring_poll.c virtio_ring_0_9.c main.h virtio_ring_inorder.o: virtio_ring_inorder.c virtio_ring_0_9.c main.h @@ -15,6 +16,7 @@ ring: ring.o main.o virtio_ring_0_9: virtio_ring_0_9.o main.o virtio_ring_poll: virtio_ring_poll.o main.o virtio_ring_inorder: virtio_ring_inorder.o main.o +ptr_ring: ptr_ring.o main.o noring: noring.o main.o clean: -rm main.o @@ -22,6 +24,7 @@ clean: -rm virtio_ring_0_9.o virtio_ring_0_9 -rm virtio_ring_poll.o virtio_ring_poll -rm virtio_ring_inorder.o virtio_ring_inorder + -rm ptr_ring.o ptr_ring -rm noring.o noring .PHONY: all clean diff --git a/tools/virtio/ringtest/ptr_ring.c b/tools/virtio/ringtest/ptr_ring.c new file mode 100644 index 000000000000..68e4f9f0da3a --- /dev/null +++ b/tools/virtio/ringtest/ptr_ring.c @@ -0,0 +1,197 @@ +#define _GNU_SOURCE +#include "main.h" +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <pthread.h> +#include <malloc.h> +#include <assert.h> +#include <errno.h> +#include <limits.h> + +#define SMP_CACHE_BYTES 64 +#define cache_line_size() SMP_CACHE_BYTES +#define ____cacheline_aligned_in_smp __attribute__ ((aligned (SMP_CACHE_BYTES))) +#define unlikely(x) (__builtin_expect(!!(x), 0)) +#define ALIGN(x, a) (((x) + (a) - 1) / (a) * (a)) +typedef pthread_spinlock_t spinlock_t; + +typedef int gfp_t; +static void *kmalloc(unsigned size, gfp_t gfp) +{ + return memalign(64, size); +} + +static void *kzalloc(unsigned size, gfp_t gfp) +{ + void *p = memalign(64, size); + if (!p) + return p; + memset(p, 0, size); + + return p; +} + +static void kfree(void *p) +{ + if (p) + free(p); +} + +static void spin_lock_init(spinlock_t *lock) +{ + int r = pthread_spin_init(lock, 0); + assert(!r); +} + +static void spin_lock(spinlock_t *lock) +{ + int ret = pthread_spin_lock(lock); + assert(!ret); +} + +static void spin_unlock(spinlock_t *lock) +{ + int ret = pthread_spin_unlock(lock); + assert(!ret); +} + +static void spin_lock_bh(spinlock_t *lock) +{ + spin_lock(lock); +} + +static void spin_unlock_bh(spinlock_t *lock) +{ + spin_unlock(lock); +} + +static void spin_lock_irq(spinlock_t *lock) +{ + spin_lock(lock); +} + +static void spin_unlock_irq(spinlock_t *lock) +{ + spin_unlock(lock); +} + +static void spin_lock_irqsave(spinlock_t *lock, unsigned long f) +{ + spin_lock(lock); +} + +static void spin_unlock_irqrestore(spinlock_t *lock, unsigned long f) +{ + spin_unlock(lock); +} + +#include "../../../include/linux/ptr_ring.h" + +static unsigned long long headcnt, tailcnt; +static struct ptr_ring array ____cacheline_aligned_in_smp; + +/* implemented by ring */ +void alloc_ring(void) +{ + int ret = ptr_ring_init(&array, ring_size, 0); + assert(!ret); +} + +/* guest side */ +int add_inbuf(unsigned len, void *buf, void *datap) +{ + int ret; + + ret = __ptr_ring_produce(&array, buf); + if (ret >= 0) { + ret = 0; + headcnt++; + } + + return ret; +} + +/* + * ptr_ring API provides no way for producer to find out whether a given + * buffer was consumed. Our tests merely require that a successful get_buf + * implies that add_inbuf succeed in the past, and that add_inbuf will succeed, + * fake it accordingly. + */ +void *get_buf(unsigned *lenp, void **bufp) +{ + void *datap; + + if (tailcnt == headcnt || __ptr_ring_full(&array)) + datap = NULL; + else { + datap = "Buffer\n"; + ++tailcnt; + } + + return datap; +} + +void poll_used(void) +{ + void *b; + + do { + if (tailcnt == headcnt || __ptr_ring_full(&array)) { + b = NULL; + barrier(); + } else { + b = "Buffer\n"; + } + } while (!b); +} + +void disable_call() +{ + assert(0); +} + +bool enable_call() +{ + assert(0); +} + +void kick_available(void) +{ + assert(0); +} + +/* host side */ +void disable_kick() +{ + assert(0); +} + +bool enable_kick() +{ + assert(0); +} + +void poll_avail(void) +{ + void *b; + + do { + barrier(); + b = __ptr_ring_peek(&array); + } while (!b); +} + +bool use_buf(unsigned *lenp, void **bufp) +{ + void *ptr; + + ptr = __ptr_ring_consume(&array); + + return ptr; +} + +void call_used(void) +{ + assert(0); +} diff --git a/tools/vm/page_owner_sort.c b/tools/vm/page_owner_sort.c index 77147b42d598..f1c055f3c243 100644 --- a/tools/vm/page_owner_sort.c +++ b/tools/vm/page_owner_sort.c @@ -79,12 +79,12 @@ static void add_list(char *buf, int len) } } -#define BUF_SIZE 1024 +#define BUF_SIZE (128 * 1024) int main(int argc, char **argv) { FILE *fin, *fout; - char buf[BUF_SIZE]; + char *buf; int ret, i, count; struct block_list *list2; struct stat st; @@ -107,6 +107,11 @@ int main(int argc, char **argv) max_size = st.st_size / 100; /* hack ... */ list = malloc(max_size * sizeof(*list)); + buf = malloc(BUF_SIZE); + if (!list || !buf) { + printf("Out of memory\n"); + exit(1); + } for ( ; ; ) { ret = read_block(buf, BUF_SIZE, fin); diff --git a/tools/vm/slabinfo.c b/tools/vm/slabinfo.c index 7cf6e1769903..b9d34b37c017 100644 --- a/tools/vm/slabinfo.c +++ b/tools/vm/slabinfo.c @@ -510,10 +510,11 @@ static void slab_stats(struct slabinfo *s) s->alloc_node_mismatch, (s->alloc_node_mismatch * 100) / total); } - if (s->cmpxchg_double_fail || s->cmpxchg_double_cpu_fail) + if (s->cmpxchg_double_fail || s->cmpxchg_double_cpu_fail) { printf("\nCmpxchg_double Looping\n------------------------\n"); printf("Locked Cmpxchg Double redos %lu\nUnlocked Cmpxchg Double redos %lu\n", s->cmpxchg_double_fail, s->cmpxchg_double_cpu_fail); + } } static void report(struct slabinfo *s) |