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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-01-12 01:42:19 (GMT) |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-01-22 21:56:28 (GMT) |
| commit | f08199d314458610d4ca52f8e86e0a4ec7a7bc54 (patch) | |
| tree | 80078cf09949aab97d9470f8126dc2b0ecc9656c /tools/perf/util/evsel.h | |
| parent | 5c581041cf97aa7980b442de81ddea8273d6dcde (diff) | |
| download | linux-f08199d314458610d4ca52f8e86e0a4ec7a7bc54.tar.xz | |
perf evsel: Support event groups
The perf_evsel__open now have an extra boolean argument specifying if
event grouping is desired.
The first file descriptor created on a CPU becomes the group leader.
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evsel.h')
| -rw-r--r-- | tools/perf/util/evsel.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index b2d755f..0962b50 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -45,10 +45,12 @@ int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus); void perf_evsel__free_fd(struct perf_evsel *evsel); void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads); -int perf_evsel__open_per_cpu(struct perf_evsel *evsel, struct cpu_map *cpus); -int perf_evsel__open_per_thread(struct perf_evsel *evsel, struct thread_map *threads); -int perf_evsel__open(struct perf_evsel *evsel, - struct cpu_map *cpus, struct thread_map *threads); +int perf_evsel__open_per_cpu(struct perf_evsel *evsel, + struct cpu_map *cpus, bool group); +int perf_evsel__open_per_thread(struct perf_evsel *evsel, + struct thread_map *threads, bool group); +int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus, + struct thread_map *threads, bool group); #define perf_evsel__match(evsel, t, c) \ (evsel->attr.type == PERF_TYPE_##t && \ |