diff options
author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-01-11 20:42:19 -0500 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-01-22 16:56:28 -0500 |
commit | f08199d314458610d4ca52f8e86e0a4ec7a7bc54 (patch) | |
tree | 80078cf09949aab97d9470f8126dc2b0ecc9656c /tools/perf/util/evsel.h | |
parent | 5c581041cf97aa7980b442de81ddea8273d6dcde (diff) |
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 b2d755fe88a5..0962b500cb6d 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); | |||
45 | void perf_evsel__free_fd(struct perf_evsel *evsel); | 45 | void perf_evsel__free_fd(struct perf_evsel *evsel); |
46 | void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads); | 46 | void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads); |
47 | 47 | ||
48 | int perf_evsel__open_per_cpu(struct perf_evsel *evsel, struct cpu_map *cpus); | 48 | int perf_evsel__open_per_cpu(struct perf_evsel *evsel, |
49 | int perf_evsel__open_per_thread(struct perf_evsel *evsel, struct thread_map *threads); | 49 | struct cpu_map *cpus, bool group); |
50 | int perf_evsel__open(struct perf_evsel *evsel, | 50 | int perf_evsel__open_per_thread(struct perf_evsel *evsel, |
51 | struct cpu_map *cpus, struct thread_map *threads); | 51 | struct thread_map *threads, bool group); |
52 | int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus, | ||
53 | struct thread_map *threads, bool group); | ||
52 | 54 | ||
53 | #define perf_evsel__match(evsel, t, c) \ | 55 | #define perf_evsel__match(evsel, t, c) \ |
54 | (evsel->attr.type == PERF_TYPE_##t && \ | 56 | (evsel->attr.type == PERF_TYPE_##t && \ |