summaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/irq_64.c
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2008-10-16 11:32:24 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-16 16:53:29 +0200
commit6b39ba771e3c78d00e0abcebad270bd4212b28bc (patch)
tree98c0b1598eff3882faaef3b0f2ee72dcbe2f0ea0 /arch/x86/kernel/irq_64.c
parentx86: cleanup show_interrupts (diff)
downloadlinux-6b39ba771e3c78d00e0abcebad270bd4212b28bc.tar.xz
linux-6b39ba771e3c78d00e0abcebad270bd4212b28bc.zip
x86: unify show_interrupts() and proc helpers
show_interrupts() and proc helpers are basically the same for 32 and 64 bit. Move them to a shared source file. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/irq_64.c')
-rw-r--r--arch/x86/kernel/irq_64.c132
1 files changed, 0 insertions, 132 deletions
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 4f374294f292..39ef7feb9ea4 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -18,8 +18,6 @@
#include <asm/idle.h>
#include <asm/smp.h>
-atomic_t irq_err_count;
-
/*
* 'what should we do if we get a hw irq event on an illegal vector'.
* each architecture has to answer this themselves.
@@ -65,136 +63,6 @@ static inline void stack_overflow_check(struct pt_regs *regs)
#endif
/*
- * Generic, controller-independent functions:
- */
-
-static int show_other_interrupts(struct seq_file *p)
-{
- int j;
-
- seq_printf(p, "NMI: ");
- for_each_online_cpu(j)
- seq_printf(p, "%10u ", cpu_pda(j)->__nmi_count);
- seq_printf(p, " Non-maskable interrupts\n");
- seq_printf(p, "LOC: ");
- for_each_online_cpu(j)
- seq_printf(p, "%10u ", cpu_pda(j)->apic_timer_irqs);
- seq_printf(p, " Local timer interrupts\n");
-#ifdef CONFIG_SMP
- seq_printf(p, "RES: ");
- for_each_online_cpu(j)
- seq_printf(p, "%10u ", cpu_pda(j)->irq_resched_count);
- seq_printf(p, " Rescheduling interrupts\n");
- seq_printf(p, "CAL: ");
- for_each_online_cpu(j)
- seq_printf(p, "%10u ", cpu_pda(j)->irq_call_count);
- seq_printf(p, " Function call interrupts\n");
- seq_printf(p, "TLB: ");
- for_each_online_cpu(j)
- seq_printf(p, "%10u ", cpu_pda(j)->irq_tlb_count);
- seq_printf(p, " TLB shootdowns\n");
-#endif
-#ifdef CONFIG_X86_MCE
- seq_printf(p, "TRM: ");
- for_each_online_cpu(j)
- seq_printf(p, "%10u ", cpu_pda(j)->irq_thermal_count);
- seq_printf(p, " Thermal event interrupts\n");
- seq_printf(p, "THR: ");
- for_each_online_cpu(j)
- seq_printf(p, "%10u ", cpu_pda(j)->irq_threshold_count);
- seq_printf(p, " Threshold APIC interrupts\n");
-#endif
- seq_printf(p, "SPU: ");
- for_each_online_cpu(j)
- seq_printf(p, "%10u ", cpu_pda(j)->irq_spurious_count);
- seq_printf(p, " Spurious interrupts\n");
- seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
-
- return 0;
-}
-
-int show_interrupts(struct seq_file *p, void *v)
-{
- unsigned long flags, any_count = 0;
- int i = *(loff_t *) v, j;
- struct irqaction *action;
- struct irq_desc *desc;
-
- if (i > nr_irqs)
- return 0;
-
- if (i == nr_irqs)
- return show_other_interrupts(p);
-
- /* print header */
- if (i == 0) {
- seq_printf(p, " ");
- for_each_online_cpu(j)
- seq_printf(p, "CPU%-8d",j);
- seq_putc(p, '\n');
- }
-
- desc = irq_to_desc(i);
- spin_lock_irqsave(&desc->lock, flags);
-#ifndef CONFIG_SMP
- any_count = kstat_irqs(i);
-#else
- for_each_online_cpu(j)
- any_count |= kstat_irqs_cpu(i, j);
-#endif
- action = desc->action;
- if (!action && !any_count)
- goto out;
-
- seq_printf(p, "%3d: ", i);
-#ifndef CONFIG_SMP
- seq_printf(p, "%10u ", kstat_irqs(i));
-#else
- for_each_online_cpu(j)
- seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
-#endif
- seq_printf(p, " %8s", desc->chip->name);
- seq_printf(p, "-%-8s", desc->name);
-
- if (action) {
- seq_printf(p, " %s", action->name);
- while ((action = action->next) != NULL)
- seq_printf(p, ", %s", action->name);
- }
-
- seq_putc(p, '\n');
-out:
- spin_unlock_irqrestore(&desc->lock, flags);
- return 0;
-}
-
-/*
- * /proc/stat helpers
- */
-u64 arch_irq_stat_cpu(unsigned int cpu)
-{
- u64 sum = cpu_pda(cpu)->__nmi_count;
-
- sum += cpu_pda(cpu)->apic_timer_irqs;
-#ifdef CONFIG_SMP
- sum += cpu_pda(cpu)->irq_resched_count;
- sum += cpu_pda(cpu)->irq_call_count;
- sum += cpu_pda(cpu)->irq_tlb_count;
-#endif
-#ifdef CONFIG_X86_MCE
- sum += cpu_pda(cpu)->irq_thermal_count;
- sum += cpu_pda(cpu)->irq_threshold_count;
-#endif
- sum += cpu_pda(cpu)->irq_spurious_count;
- return sum;
-}
-
-u64 arch_irq_stat(void)
-{
- return atomic_read(&irq_err_count);
-}
-
-/*
* do_IRQ handles all normal device IRQ's (the special
* SMP cross-CPU interrupts have their own specific
* handlers).