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authorIngo Molnar <mingo@elte.hu>2007-10-15 17:00:08 +0200
committerIngo Molnar <mingo@elte.hu>2007-10-15 17:00:08 +0200
commit75d4ef16a6aa84f708188bada182315f80aab6fa (patch)
tree580c044338e3525f39038b1fe703c2a6138f9357
parent30cfdcfc5f180fc21a3dad6ae3b7b2a9ee112186 (diff)
downloadop-kernel-dev-75d4ef16a6aa84f708188bada182315f80aab6fa.zip
op-kernel-dev-75d4ef16a6aa84f708188bada182315f80aab6fa.tar.gz
sched: fix delay accounting performance regression
fix delay accounting performance regression - those sched_clock() calls are not needed. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r--kernel/sched_stats.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/sched_stats.h b/kernel/sched_stats.h
index c20a94d..1d9ec98 100644
--- a/kernel/sched_stats.h
+++ b/kernel/sched_stats.h
@@ -129,7 +129,7 @@ rq_sched_info_depart(struct rq *rq, unsigned long long delta)
# define schedstat_set(var, val) do { } while (0)
#endif
-#if defined(CONFIG_SCHEDSTATS) || defined(CONFIG_TASK_DELAY_ACCT)
+#ifdef CONFIG_SCHEDSTATS
/*
* Called when a process is dequeued from the active array and given
* the cpu. We should note that with the exception of interactive
@@ -233,5 +233,5 @@ sched_info_switch(struct task_struct *prev, struct task_struct *next)
#else
#define sched_info_queued(t) do { } while (0)
#define sched_info_switch(t, next) do { } while (0)
-#endif /* CONFIG_SCHEDSTATS || CONFIG_TASK_DELAY_ACCT */
+#endif /* CONFIG_SCHEDSTATS */
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