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| author | David Ahern <dsahern@gmail.com> | 2016-11-16 15:06:31 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-11-23 10:44:08 -0300 |
| commit | fc1469f1b20777929a47f6f8e55bca12c6f142ac (patch) | |
| tree | 2f8cb8d8c1c348363288e384fb67119102ca12ce /tools/perf/Documentation/perf-sched.txt | |
| parent | 52df138caaa8daaaf4e0dc64428ef06f303a8dbf (diff) | |
| download | talos-obmc-linux-fc1469f1b20777929a47f6f8e55bca12c6f142ac.tar.gz talos-obmc-linux-fc1469f1b20777929a47f6f8e55bca12c6f142ac.zip | |
perf sched timehist: Add -w/--wakeups option
The -w option is to show wakeup events with timehist.
$ perf sched timehist -w
time cpu task name b/n time sch delay run time
[tid/pid] (msec) (msec) (msec)
--------------- ------ -------------------- --------- --------- ---------
2412598.429689 [0002] perf[7219] awakened: perf[7220]
2412598.429696 [0009] <idle> 0.000 0.000 0.000
2412598.429767 [0002] perf[7219] 0.000 0.000 0.000
2412598.429780 [0009] perf[7220] awakened: migration/9[53]
...
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/20161116060634.28477-6-namhyung@kernel.org
[ Add documentation based on above commit message ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/perf-sched.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-sched.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-sched.txt b/tools/perf/Documentation/perf-sched.txt index 72730da307b9..9a77bc73e8a3 100644 --- a/tools/perf/Documentation/perf-sched.txt +++ b/tools/perf/Documentation/perf-sched.txt @@ -112,6 +112,10 @@ OPTIONS for 'perf sched timehist' --symfs=<directory>:: Look for files with symbols relative to this directory. +-w:: +--wakeups:: + Show wakeup events. + SEE ALSO -------- linkperf:perf-record[1] |
