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authorLinus Torvalds2007-10-02 19:38:13 +0200
committerLinus Torvalds2007-10-02 19:38:13 +0200
commitd237098c03eb91cef240e9a1b248c0e1ecd1c80c (patch)
treec48c55dd3ab7efe2421c6d11248287925b1b7aec
parentMerge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sp... (diff)
parentsched: fix profile=sleep (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched
* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: sched: fix profile=sleep
-rw-r--r--kernel/sched_fair.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index c9fbe8e73a45..67c67a87146e 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -639,6 +639,16 @@ static void enqueue_sleeper(struct cfs_rq *cfs_rq, struct sched_entity *se)
se->block_start = 0;
se->sum_sleep_runtime += delta;
+
+ /*
+ * Blocking time is in units of nanosecs, so shift by 20 to
+ * get a milliseconds-range estimation of the amount of
+ * time that the task spent sleeping:
+ */
+ if (unlikely(prof_on == SLEEP_PROFILING)) {
+ profile_hits(SLEEP_PROFILING, (void *)get_wchan(tsk),
+ delta >> 20);
+ }
}
#endif
}