diff options
| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2010-01-18 09:12:32 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-01-21 13:40:40 +0100 |
| commit | 22e190851f8709c48baf00ed9ce6144cdc54d025 (patch) | |
| tree | 52e4104e23a68282dce5dfe181c1234f8764bcd9 | |
| parent | fe432200abb0d64f409895168d9ad8fbb9d8e6c6 (diff) | |
| download | linux-22e190851f8709c48baf00ed9ce6144cdc54d025.tar.bz2 | |
perf: Honour event state for aux stream data
Anton reported that perf record kept receiving events even after calling
ioctl(PERF_EVENT_IOC_DISABLE). It turns out that FORK,COMM and MMAP
events didn't respect the disabled state and kept flowing in.
Reported-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Tested-by: Anton Blanchard <anton@samba.org>
LKML-Reference: <1263459187.4244.265.camel@laptop>
CC: stable@kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | kernel/perf_event.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 603c0d8b5df1..d27746bd3a06 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -3268,6 +3268,9 @@ static void perf_event_task_output(struct perf_event *event, static int perf_event_task_match(struct perf_event *event) { + if (event->state != PERF_EVENT_STATE_ACTIVE) + return 0; + if (event->cpu != -1 && event->cpu != smp_processor_id()) return 0; @@ -3377,6 +3380,9 @@ static void perf_event_comm_output(struct perf_event *event, static int perf_event_comm_match(struct perf_event *event) { + if (event->state != PERF_EVENT_STATE_ACTIVE) + return 0; + if (event->cpu != -1 && event->cpu != smp_processor_id()) return 0; @@ -3494,6 +3500,9 @@ static void perf_event_mmap_output(struct perf_event *event, static int perf_event_mmap_match(struct perf_event *event, struct perf_mmap_event *mmap_event) { + if (event->state != PERF_EVENT_STATE_ACTIVE) + return 0; + if (event->cpu != -1 && event->cpu != smp_processor_id()) return 0; |