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perf/core: Update ctx time before detaching events

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We should make sure the ctx time is updated before we detach events;
which will want to update event times.

Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Peter Zijlstra 2017-09-05 13:24:28 +02:00 • committed by Ingo Molnar
commit 0ee098c97a
1 changed files with 1 additions and 0 deletions
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kernel/events/core.c
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@ -11129,6 +11129,7 @@ static void __perf_event_exit_context(void *__info)
struct perf_event *event;
raw_spin_lock(&ctx->lock);
ctx_sched_out(ctx, cpuctx, EVENT_TIME);
list_for_each_entry(event, &ctx->event_list, event_entry)
__perf_remove_from_context(event, cpuctx, ctx, (void *)DETACH_GROUP);
raw_spin_unlock(&ctx->lock);