diff options
author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2010-10-14 16:32:45 -0400 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2010-10-18 13:58:59 -0400 |
commit | 7e54a5a0b655734326dc78c2b5efc1eb35497bb6 (patch) | |
tree | 71346dfdb01ef387ad1aaaccbf72b3127814ce92 /kernel/perf_event.c | |
parent | 82cd6def9806dcb6a325fb6abbc1d61388a15f6a (diff) |
perf: Optimize sw events
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/perf_event.c')
-rw-r--r-- | kernel/perf_event.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c index f7febb02ab97..05ecf6f7c672 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c | |||
@@ -4669,7 +4669,7 @@ static void sw_perf_event_destroy(struct perf_event *event) | |||
4669 | 4669 | ||
4670 | WARN_ON(event->parent); | 4670 | WARN_ON(event->parent); |
4671 | 4671 | ||
4672 | atomic_dec(&perf_swevent_enabled[event_id]); | 4672 | jump_label_dec(&perf_swevent_enabled[event_id]); |
4673 | swevent_hlist_put(event); | 4673 | swevent_hlist_put(event); |
4674 | } | 4674 | } |
4675 | 4675 | ||
@@ -4699,7 +4699,7 @@ static int perf_swevent_init(struct perf_event *event) | |||
4699 | if (err) | 4699 | if (err) |
4700 | return err; | 4700 | return err; |
4701 | 4701 | ||
4702 | atomic_inc(&perf_swevent_enabled[event_id]); | 4702 | jump_label_inc(&perf_swevent_enabled[event_id]); |
4703 | event->destroy = sw_perf_event_destroy; | 4703 | event->destroy = sw_perf_event_destroy; |
4704 | } | 4704 | } |
4705 | 4705 | ||