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| author | Li Zefan <lizf@cn.fujitsu.com> | 2009-10-15 11:21:42 +0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-10-15 11:35:23 +0200 |
| commit | 6fb2915df7f0747d9044da9dbff5b46dc2e20830 (patch) | |
| tree | b4c5d7d913362ae6161c2859a7a385263330e965 /kernel/trace/trace.h | |
| parent | b0f1a59a98d7ac2102e7e4f22904c26d564a5628 (diff) | |
| download | kernel_samsung_smdk4412-6fb2915df7f0747d9044da9dbff5b46dc2e20830.zip kernel_samsung_smdk4412-6fb2915df7f0747d9044da9dbff5b46dc2e20830.tar.gz kernel_samsung_smdk4412-6fb2915df7f0747d9044da9dbff5b46dc2e20830.tar.bz2 | |
tracing/profile: Add filter support
- Add an ioctl to allocate a filter for a perf event.
- Free the filter when the associated perf event is to be freed.
- Do the filtering in perf_swevent_match().
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <4AD69546.8050401@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/trace.h')
| -rw-r--r-- | kernel/trace/trace.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index ffe53dd..4959ada 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -743,7 +743,8 @@ filter_check_discard(struct ftrace_event_call *call, void *rec, struct ring_buffer *buffer, struct ring_buffer_event *event) { - if (unlikely(call->filter_active) && !filter_match_preds(call, rec)) { + if (unlikely(call->filter_active) && + !filter_match_preds(call->filter, rec)) { ring_buffer_discard_commit(buffer, event); return 1; } |