Commit-ID: 749e507411b17ad686783b6d1183befd846fb81b Gitweb: http://git.kernel.org/tip/749e507411b17ad686783b6d1183befd846fb81b Author: Frederic Weisbecker <fweisbec@xxxxxxxxx> AuthorDate: Wed, 21 Jul 2010 22:45:51 +0200 Committer: Frederic Weisbecker <fweisbec@xxxxxxxxx> CommitDate: Mon, 2 Aug 2010 01:31:53 +0200 perf, sched migration: Handle ignored migrate out events Migrate out events may happen on tasks that are not in the runqueue, for example this is the case for tasks that are sleeping. In this case, we don't want to log the migrate out event in the source runqueue because the task is not eventually in the runqueue and we have already logged its sleep event. This fixes timeslices that spuriously propagate a sleep event from the previous timeslice. Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxx> Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> Cc: Paul Mackerras <paulus@xxxxxxxxx> Cc: Nikhil Rao <ncrao@xxxxxxxxxx> Cc: Tom Zanussi <tzanussi@xxxxxxxxx> --- tools/perf/scripts/python/sched-migration.py | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/tools/perf/scripts/python/sched-migration.py b/tools/perf/scripts/python/sched-migration.py index f73e1c7..7304d86 100644 --- a/tools/perf/scripts/python/sched-migration.py +++ b/tools/perf/scripts/python/sched-migration.py @@ -435,7 +435,10 @@ class TimeSlice: self.__update_total_load(new_rq, in_rq) ts_list.append(self) - self.event_cpus = [old_cpu, new_cpu] + + if old_rq is not out_rq: + self.event_cpus.append(old_cpu) + self.event_cpus.append(new_cpu) def wake_up(self, ts_list, pid, cpu, fork): old_rq = self.prev.rqs[cpu] -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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