x86, perf: Disable non available architectural events

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Intel CPUs report non-available architectural events in cpuid leaf
0AH.EBX. Use it to disable events that are not available according
to CPU.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1320929850-10480-7-git-send-email-gleb@redhat.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Gleb Natapov 2011-11-10 14:57:26 +02:00 • committed by Ingo Molnar

parent ac99b862fb

commit ffb871bc91

3 changed files with 42 additions and 5 deletions

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14

arch/x86/include/asm/perf_event.h

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5

arch/x86/kernel/cpu/perf_event.h

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28

arch/x86/kernel/cpu/perf_event_intel.c

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