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authorFrederic Weisbecker <fweisbec@gmail.com>2011-02-26 04:51:54 +0100
committerFrederic Weisbecker <fweisbec@gmail.com>2011-03-02 16:05:51 +0100
commit0a10247914a5cad3caf7ef8a255c54c4d3ed2062 (patch)
tree1d206b0c3e1ef18164d049c15436d566aa3176cf /tools/perf/util/evlist.h
parent5807806a92450fd57f8063868efae9d4af74db02 (diff)
perf: Set filters before mmaping events
We currently set the filters after we mmap the events, this is a race that let undesired events record themselves in the buffer before we had the time to set the filters. So set the filters before they can be recorded. That also librarizes the filters setting so that filtering can be done more easily from other tools than perf record later. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Tom Zanussi <tzanussi@gmail.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'tools/perf/util/evlist.h')
-rw-r--r--tools/perf/util/evlist.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index c9884056097c..b75805aeb7e4 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -60,5 +60,6 @@ static inline void perf_evlist__set_maps(struct perf_evlist *evlist,
int perf_evlist__create_maps(struct perf_evlist *evlist, pid_t target_pid,
pid_t target_tid, const char *cpu_list);
void perf_evlist__delete_maps(struct perf_evlist *evlist);
+int perf_evlist__set_filters(struct perf_evlist *evlist);
#endif /* __PERF_EVLIST_H */