perfcounters: ratelimit performance counter interrupts
authorMike Galbraith <efault@gmx.de>
Fri, 23 Jan 2009 13:36:16 +0000 (14:36 +0100)
committerIngo Molnar <mingo@elte.hu>
Fri, 23 Jan 2009 13:50:02 +0000 (14:50 +0100)
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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