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>

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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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27

arch/x86/kernel/cpu/perf_counter.c

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2

include/linux/perf_counter.h

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