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| author | Ingo Molnar <mingo@kernel.org> | 2014-07-18 06:16:06 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-07-18 06:16:06 +0200 |
| commit | ec6dbcb7ade2a616675cbe3185cf299ee1615c9f (patch) | |
| tree | 4953f7eca477e011aa9e16cdb236220ed9cec4be /tools/perf/util/record.c | |
| parent | ff2ebe46e15bd49d52b9c2f3fc77f3a9d94eac7b (diff) | |
| parent | 0b437860818dc717f6a9e8a5089223a8414f5fff (diff) | |
| download | linux-ec6dbcb7ade2a616675cbe3185cf299ee1615c9f.tar.gz linux-ec6dbcb7ade2a616675cbe3185cf299ee1615c9f.tar.bz2 linux-ec6dbcb7ade2a616675cbe3185cf299ee1615c9f.zip | |
Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
User visible changes:
o Support S/390 in 'perf kvm stat' (Alexander Yarygin)
Developer Stuff:
o Various fixes and prep work related to supporting Intel PT (Adrian Hunter)
o Introduce multiple debug variables control (Jiri Olsa)
o Add callchain and additional sample information for python scripts (Joseph Schuchart)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/util/record.c')
| -rw-r--r-- | tools/perf/util/record.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/tools/perf/util/record.c b/tools/perf/util/record.c index 049e0a09ccd3..165723152cfb 100644 --- a/tools/perf/util/record.c +++ b/tools/perf/util/record.c @@ -69,15 +69,26 @@ static void perf_probe_sample_identifier(struct perf_evsel *evsel) evsel->attr.sample_type |= PERF_SAMPLE_IDENTIFIER; } +static void perf_probe_comm_exec(struct perf_evsel *evsel) +{ + evsel->attr.comm_exec = 1; +} + bool perf_can_sample_identifier(void) { return perf_probe_api(perf_probe_sample_identifier); } +static bool perf_can_comm_exec(void) +{ + return perf_probe_api(perf_probe_comm_exec); +} + void perf_evlist__config(struct perf_evlist *evlist, struct record_opts *opts) { struct perf_evsel *evsel; bool use_sample_identifier = false; + bool use_comm_exec; /* * Set the evsel leader links before we configure attributes, @@ -89,8 +100,13 @@ void perf_evlist__config(struct perf_evlist *evlist, struct record_opts *opts) if (evlist->cpus->map[0] < 0) opts->no_inherit = true; - evlist__for_each(evlist, evsel) + use_comm_exec = perf_can_comm_exec(); + + evlist__for_each(evlist, evsel) { perf_evsel__config(evsel, opts); + if (!evsel->idx && use_comm_exec) + evsel->attr.comm_exec = 1; + } if (evlist->nr_entries > 1) { struct perf_evsel *first = perf_evlist__first(evlist); |