Commit-ID: 5e942bb33371254a474653123cd9e13a4c89ee44 Gitweb: http://git.kernel.org/tip/5e942bb33371254a474653123cd9e13a4c89ee44 Author: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> AuthorDate: Mon, 23 Nov 2009 11:37:26 +0100 Committer: Ingo Molnar <mingo@xxxxxxx> CommitDate: Mon, 23 Nov 2009 11:49:56 +0100 perf_events: Update the context time on exit It appeared we did call update_event_times() on exit, but we failed to update the context time, which renders the former moot. Locking is a bit iffy, we call update_event_times under ctx->mutex instead of ctx->lock - the next patch fixes this. Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> Cc: Paul Mackerras <paulus@xxxxxxxxx> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx> LKML-Reference: <20091123103819.764207355@xxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxx> --- kernel/perf_event.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/kernel/perf_event.c b/kernel/perf_event.c index fb851ec..8be2574 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -4983,6 +4983,7 @@ void perf_event_exit_task(struct task_struct *child) * the events from it. */ unclone_ctx(child_ctx); + update_context_time(child_ctx); spin_unlock_irqrestore(&child_ctx->lock, flags); /* -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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