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perfcounters: ratelimit performance counter interrupts

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Ratelimit performance counter interrupts to 100KHz per CPU.

This replaces the irq-delta-time based method.

Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Mike Galbraith 2009-01-23 14:36:16 +01:00 • committed by Ingo Molnar
parent 1b023a96d9
commit 4b39fd9685
2 changed files with 15 additions and 14 deletions
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2
include/linux/perf_counter.h
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@ -271,8 +271,6 @@ static inline int is_software_counter(struct perf_counter *counter)
return !counter->hw_event.raw && counter->hw_event.type < 0;
}
#define PERFMON_MIN_PERIOD_NS 10000
#else
static inline void
perf_counter_task_sched_in(struct task_struct *task, int cpu) { }