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| author | Jiri Olsa | 2019-02-20 13:27:56 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo | 2019-02-20 20:08:59 +0100 |
| commit | 6e7e8b9fec45f7bef11a5d9d2dd9febe439d4047 (patch) | |
| tree | df4461ae6ce64070b505c830cbf48ab0f8abf8f1 /tools/perf | |
| parent | perf session: Don't report zero period samples for slave events (diff) | |
| download | kernel-qcow2-linux-6e7e8b9fec45f7bef11a5d9d2dd9febe439d4047.tar.gz kernel-qcow2-linux-6e7e8b9fec45f7bef11a5d9d2dd9febe439d4047.tar.xz kernel-qcow2-linux-6e7e8b9fec45f7bef11a5d9d2dd9febe439d4047.zip | |
perf evsel: Force sample_type for slave events
Force sample_type setup for slave events in group leader sessions.
We don't get sample for slave events, we make them when delivering group
leader sample. Set the slave event to follow the master sample_type to
ease up report.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190220122800.864-3-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/evsel.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 684c893ca6bc..dfe2958e6287 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -956,6 +956,14 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts, attr->sample_freq = 0; attr->sample_period = 0; attr->write_backward = 0; + + /* + * We don't get sample for slave events, we make them + * when delivering group leader sample. Set the slave + * event to follow the master sample_type to ease up + * report. + */ + attr->sample_type = leader->attr.sample_type; } if (opts->no_samples) |