Commit 6c9687ab authored by Peter Zijlstra's avatar Peter Zijlstra Committed by Ingo Molnar

perf_event: x86: Optimize x86_pmu_disable()

x86_pmu_disable() removes the event from the cpuc->event_list[], however
since an event can only be on that list once, stop looking after we found
it.
Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
LKML-Reference: <new-submission>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent c933c1a6
...@@ -1884,6 +1884,7 @@ static void x86_pmu_disable(struct perf_event *event) ...@@ -1884,6 +1884,7 @@ static void x86_pmu_disable(struct perf_event *event)
cpuc->event_list[i-1] = cpuc->event_list[i]; cpuc->event_list[i-1] = cpuc->event_list[i];
--cpuc->n_events; --cpuc->n_events;
break;
} }
} }
perf_event_update_userpage(event); perf_event_update_userpage(event);
......
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