perf events: Add stalled cycles generic event - PERF_COUNT_HW_STALLED_CYCLES

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The new PERF_COUNT_HW_STALLED_CYCLES event tries to approximate
cycles the CPU does nothing useful, because it is stalled on a
cache-miss or some other condition.

Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/n/tip-fue11vymwqsoo5to72jxxjyl@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Ingo Molnar 2011-04-24 08:18:31 +02:00

parent 7bd5fafeb4

commit 94403f8863

4 changed files with 6 additions and 0 deletions

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include/linux/perf_event.h

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