diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2017-09-05 13:24:28 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-10-27 10:31:57 +0200 |
| commit | 0ee098c97a6ebe163180e74b740c0a37bcdaa173 (patch) | |
| tree | ccb8528331de304ecc3d7cd49793009814e73b65 /kernel/events | |
| parent | perf/core: Fix perf_event_read_value() locking (diff) | |
| download | linux-0ee098c97a6ebe163180e74b740c0a37bcdaa173.tar.xz linux-0ee098c97a6ebe163180e74b740c0a37bcdaa173.zip | |
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>
Diffstat (limited to 'kernel/events')
| -rw-r--r-- | kernel/events/core.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index d636f1d0e2ab..5fae98626b15 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -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); |