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| author | Ingo Molnar <mingo@elte.hu> | 2011-04-24 08:18:31 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-04-26 20:04:53 +0200 |
| commit | 94403f8863d0d1d2005291b2ef0719c2534aa303 (patch) | |
| tree | b0c8d9cf3ce49bf9faadcf5564e9996d0090b5c8 /include/linux/perf_event.h | |
| parent | 7bd5fafeb414cf00deee32c82834f8bf1426b9ac (diff) | |
| download | op-kernel-dev-94403f8863d0d1d2005291b2ef0719c2534aa303.zip op-kernel-dev-94403f8863d0d1d2005291b2ef0719c2534aa303.tar.gz | |
perf events: Add stalled cycles generic event - PERF_COUNT_HW_STALLED_CYCLES
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>
Diffstat (limited to 'include/linux/perf_event.h')
| -rw-r--r-- | include/linux/perf_event.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index ee9f1e7..ac636dd 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -52,6 +52,7 @@ enum perf_hw_id { PERF_COUNT_HW_BRANCH_INSTRUCTIONS = 4, PERF_COUNT_HW_BRANCH_MISSES = 5, PERF_COUNT_HW_BUS_CYCLES = 6, + PERF_COUNT_HW_STALLED_CYCLES = 7, PERF_COUNT_HW_MAX, /* non-ABI */ }; |
