diff options
| author | Mike Galbraith <efault@gmx.de> | 2009-02-09 07:38:50 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-09 13:03:38 +0100 |
| commit | d278c48435625cb6b7edcf6a547620768b175709 (patch) | |
| tree | 692d7e14aaafec9e924525373f03474cf10c7989 /arch | |
| parent | 23a185ca8abbeef64b6ffc33059b1d630e43ec10 (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.c | 2 |
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); |