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authorMike Galbraith <efault@gmx.de>2009-02-09 07:38:50 +0100
committerIngo Molnar <mingo@elte.hu>2009-02-09 13:03:38 +0100
commitd278c48435625cb6b7edcf6a547620768b175709 (patch)
tree692d7e14aaafec9e924525373f03474cf10c7989 /arch
parent23a185ca8abbeef64b6ffc33059b1d630e43ec10 (diff)
perf_counters: account NMI interrupts
I noticed that kerneltop interrupts were accounted as NMI, but not their perf counter origin. Account NMI performance counter interrupts. Signed-off-by: Mike Galbraith <efault@gmx.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> arch/x86/kernel/cpu/perf_counter.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/cpu/perf_counter.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c
index 8bb213323fe..9901e46998d 100644
--- a/arch/x86/kernel/cpu/perf_counter.c
+++ b/arch/x86/kernel/cpu/perf_counter.c
@@ -495,6 +495,7 @@ static void __smp_perf_counter_interrupt(struct pt_regs *regs, int nmi)
goto out;
again:
+ inc_irq_stat(apic_perf_irqs);
ack = status;
for_each_bit(bit, (unsigned long *)&status, X86_PMC_IDX_MAX) {
struct perf_counter *counter = cpuc->counters[bit];
@@ -570,7 +571,6 @@ void perf_counter_unthrottle(void)
void smp_perf_counter_interrupt(struct pt_regs *regs)
{
irq_enter();
- inc_irq_stat(apic_perf_irqs);
apic_write(APIC_LVTPC, LOCAL_PERF_VECTOR);
__smp_perf_counter_interrupt(regs, 0);