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perf sched timehist: Handle cpu migration events

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Add handlers for sched:sched_migrate_task event. Total number of
migrations is added to summary display and -M/--migrations can be used
to show migration events.

Signed-off-by: David Ahern <dsahern@gmail.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1480091321-35591-1-git-send-email-dsa@cumulusnetworks.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
David Ahern
2016-11-25 09:28:41 -07:00
committed by Arnaldo Carvalho de Melo
parent 5252b1aeab
commit 350f54fab2
2 changed files with 99 additions and 2 deletions
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4
tools/perf/Documentation/perf-sched.txt
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@@ -128,6 +128,10 @@ OPTIONS for 'perf sched timehist'
--wakeups::
Show wakeup events.
-M::
--migrations::
Show migration events.
SEE ALSO
--------
linkperf:perf-record[1]