diff options
| author | Andi Kleen | 2015-02-24 15:13:40 -0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo | 2015-02-25 12:42:23 -0300 |
| commit | 85c273d2b6569706762cf400079ca0699e007d81 (patch) | |
| tree | ff85ad53d0f7ea05d8bea1aa685d7df33ad1f6ac /tools/perf/builtin-record.c | |
| parent | 506740654db4fa5b6e1229147cee3cf8c7e07eca (diff) | |
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/builtin-record.c')
| -rw-r--r-- | tools/perf/builtin-record.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index d0d02a811ecd..4fdad06d37db 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -839,6 +839,8 @@ struct option __record_options[] = { "use per-thread mmaps"), OPT_BOOLEAN('I', "intr-regs", &record.opts.sample_intr_regs, "Sample machine registers on interrupt"), + OPT_BOOLEAN(0, "running-time", &record.opts.running_time, + "Record running/enabled time of read (:S) events"), OPT_END() }; |