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| author | Namhyung Kim <namhyung@kernel.org> | 2016-12-08 23:47:52 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-12-15 16:25:44 -0300 |
| commit | 699b5b920db04a6ff5c03a519e4c182aeb350952 (patch) | |
| tree | aab4112c7710f7cb813ecaad9a1d27b441ff1b39 /kernel | |
| parent | 3bc2fa9cb829ccf6527e7117d9af769d93ee6d39 (diff) | |
| download | linux-699b5b920db04a6ff5c03a519e4c182aeb350952.tar.bz2 | |
perf sched timehist: Save callchain when entering idle
In order to investigate the idleness reason, it is necessary to keep the
callchains when entering idle. This can be identified by the
sched:sched_switch event having the next_pid field as 0.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: David Ahern <dsahern@gmail.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20161208144755.16673-4-namhyung@kernel.org
Link: http://lkml.kernel.org/r/20161213080632.19099-1-namhyung@kernel.org
[ Merged fix from Namhyung, see second Link: tag ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions