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linux/arch/x86/kernel/cpu
Peter Zijlstra 4defea8559 perf, x86: Prefer fixed-purpose counters when scheduling
This avoids a scheduling failure for cases like:

  cycles, cycles, instructions, instructions (on Core2)

Which would end up being programmed like:

  PMC0, PMC1, FP-instructions, fail

Because all events will have the same weight.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-8tnwb92asqj7xajqqoty4gel@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-12-06 08:33:58 +01:00
..
2011-08-05 12:26:49 -07:00
2011-03-18 10:39:30 +01:00