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| author |   Andi Kleen <ak@linux.intel.com> | 2015-02-24 15:13:40 -0800 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-02-25 12:42:23 -0300 |
| commit | 85c273d2b6569706762cf400079ca0699e007d81 (patch) | |
| tree | ff85ad53d0f7ea05d8bea1aa685d7df33ad1f6ac /tools/perf/util/evsel.c | |
| parent | perf tools: Print the thread's tid on PERF_RECORD_COMM events when -D is asked (diff) | |
| download | linux-dev-85c273d2b6569706762cf400079ca0699e007d81.tar.xz linux-dev-85c273d2b6569706762cf400079ca0699e007d81.zip | |
perf record: Support recording running/enabled time
Add an option to perf record to record running/enabled time for read
events, similar to what stat does.
This is useful to understand multiplexing problems.
Right now the report support is not great, but at least report -D
already supports it.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1424819620-16043-1-git-send-email-andi@firstfloor.org
[ Fixed the Documentation entry to match the OPT_BOOLEAN one ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evsel.c')
| -rw-r--r-- | tools/perf/util/evsel.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index f93e5208c762..bb4eff28869e 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -734,6 +734,12 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts) if (opts->sample_transaction) perf_evsel__set_sample_bit(evsel, TRANSACTION); + if (opts->running_time) { + evsel->attr.read_format |= + PERF_FORMAT_TOTAL_TIME_ENABLED | + PERF_FORMAT_TOTAL_TIME_RUNNING; + } + /* * XXX see the function comment above * |