Commit 0ee098c9 authored Sep 05, 2017 by Peter Zijlstra Committed by Ingo Molnar Oct 27, 2017

perf/core: Update ctx time before detaching events

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) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent ca0dd44c

kernel/events/core.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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);

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