diff options
| -rw-r--r-- | arch/Kconfig | 3 | ||||
| -rw-r--r-- | arch/ia64/Kconfig | 12 | ||||
| -rw-r--r-- | arch/powerpc/platforms/Kconfig.cputype | 16 | ||||
| -rw-r--r-- | arch/s390/Kconfig | 5 | ||||
| -rw-r--r-- | init/Kconfig | 13 |
5 files changed, 20 insertions, 29 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 72f2fa189cc5..f78de57487ae 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -281,4 +281,7 @@ config SECCOMP_FILTER See Documentation/prctl/seccomp_filter.txt for details. +config HAVE_VIRT_CPU_ACCOUNTING + bool + source "kernel/gcov/Kconfig" diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 310cf5781fad..3c720ef6c32d 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -25,6 +25,7 @@ config IA64 select HAVE_GENERIC_HARDIRQS select HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP + select HAVE_VIRT_CPU_ACCOUNTING select ARCH_DISCARD_MEMBLOCK select GENERIC_IRQ_PROBE select GENERIC_PENDING_IRQ if SMP @@ -340,17 +341,6 @@ config FORCE_MAX_ZONEORDER default "17" if HUGETLB_PAGE default "11" -config VIRT_CPU_ACCOUNTING - bool "Deterministic task and CPU time accounting" - default n - help - Select this option to enable more accurate task and CPU time - accounting. This is done by reading a CPU counter on each - kernel entry and exit and on transitions within the kernel - between system, softirq and hardirq state, so there is a - small performance impact. - If in doubt, say N here. - config SMP bool "Symmetric multi-processing support" select USE_GENERIC_SMP_HELPERS diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index 30fd01de6bed..72afd2888cad 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -1,6 +1,7 @@ config PPC64 bool "64-bit kernel" default n + select HAVE_VIRT_CPU_ACCOUNTING help This option selects whether a 32-bit or a 64-bit kernel will be built. @@ -337,21 +338,6 @@ config PPC_MM_SLICES default y if (!PPC_FSL_BOOK3E && PPC64 && HUGETLB_PAGE) || (PPC_STD_MMU_64 && PPC_64K_PAGES) default n -config VIRT_CPU_ACCOUNTING - bool "Deterministic task and CPU time accounting" - depends on PPC64 - default y - help - Select this option to enable more accurate task and CPU time - accounting. This is done by reading a CPU counter on each - kernel entry and exit and on transitions within the kernel - between system, softirq and hardirq state, so there is a - small performance impact. This also enables accounting of - stolen time on logically-partitioned systems running on - IBM POWER5-based machines. - - If in doubt, say Y here. - config PPC_HAVE_PMU_SUPPORT bool diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 76de6b68487c..49ebfb62c86a 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -49,9 +49,6 @@ config GENERIC_LOCKBREAK config PGSTE def_bool y if KVM -config VIRT_CPU_ACCOUNTING - def_bool y - config ARCH_SUPPORTS_DEBUG_PAGEALLOC def_bool y @@ -89,6 +86,8 @@ config S390 select HAVE_MEMBLOCK select HAVE_MEMBLOCK_NODE_MAP select HAVE_CMPXCHG_LOCAL + select HAVE_VIRT_CPU_ACCOUNTING + select VIRT_CPU_ACCOUNTING select ARCH_DISCARD_MEMBLOCK select BUILDTIME_EXTABLE_SORT select ARCH_INLINE_SPIN_TRYLOCK diff --git a/init/Kconfig b/init/Kconfig index af6c7f8ba019..c40d0fb044ef 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -267,6 +267,19 @@ config POSIX_MQUEUE_SYSCTL depends on SYSCTL default y +config VIRT_CPU_ACCOUNTING + bool "Deterministic task and CPU time accounting" + depends on HAVE_VIRT_CPU_ACCOUNTING + default y if PPC64 + help + Select this option to enable more accurate task and CPU time + accounting. This is done by reading a CPU counter on each + kernel entry and exit and on transitions within the kernel + between system, softirq and hardirq state, so there is a + small performance impact. In the case of s390 or IBM POWER > 5, + this also enables accounting of stolen time on logically-partitioned + systems. + config BSD_PROCESS_ACCT bool "BSD Process Accounting" help |