Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=30084fbd1caa4b2e1a336fcdef60b68129d1d8f8
Commit: 30084fbd1caa4b2e1a336fcdef60b68129d1d8f8
Parent: 3146b39c185f8a436d430132457e84fa1d8f8208
Author: Ingo Molnar <[EMAIL PROTECTED]>
AuthorDate: Tue Oct 2 14:13:08 2007 +0200
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Tue Oct 2 14:13:08 2007 +0200
sched: fix profile=sleep
fix sleep profiling - we lost this chunk in the CFS merge.
Found-by: Mel Gorman <[EMAIL PROTECTED]>
Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
---
kernel/sched_fair.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index c9fbe8e..67c67a8 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
}
-
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