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authorIngo Molnar <mingo@elte.hu>2007-10-15 17:00:06 +0200
committerIngo Molnar <mingo@elte.hu>2007-10-15 17:00:06 +0200
commit7a62eabc4d60980eb39fff659f168d903b55c6d7 (patch)
treed7ac8019f7ed2f863040952ec7139c18ebd2c554
parent86d9560cb6bd85986e98b4c63705daec94406bd4 (diff)
downloadlinux-2.6.34-ux500-7a62eabc4d60980eb39fff659f168d903b55c6d7.tar.gz
sched: debug: update exec_clock only when SCHED_DEBUG
micro-optimization: update cfs_rq->exec_clock only if CONFIG_SCHED_DEBUG=y. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r--kernel/sched_fair.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 895fef74d99..ce79eb0f066 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -301,7 +301,7 @@ __update_curr(struct cfs_rq *cfs_rq, struct sched_entity *curr,
schedstat_set(curr->exec_max, max((u64)delta_exec, curr->exec_max));
curr->sum_exec_runtime += delta_exec;
- cfs_rq->exec_clock += delta_exec;
+ schedstat_add(cfs_rq, exec_clock, delta_exec);
delta_exec_weighted = delta_exec;
if (unlikely(curr->load.weight != NICE_0_LOAD)) {
delta_exec_weighted = calc_delta_fair(delta_exec_weighted,