From: Charles Wang Date: Mon, 20 Aug 2012 08:02:33 +0000 (+0800) Subject: sched: Add missing call to calc_load_exit_idle() X-Git-Tag: v3.6-rc6~15^2~2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=749c8814f08f12baa4a9c2812a7c6ede7d69507d;p=profile%2Fivi%2Fkernel-x86-ivi.git sched: Add missing call to calc_load_exit_idle() Azat Khuzhin reported high loadavg in Linux v3.6 After checking the upstream scheduler code, I found Peter's commit: 5167e8d5417b sched/nohz: Rewrite and fix load-avg computation -- again not fully applied, missing the call to calc_load_exit_idle(). After that idle exit in sampling window will always be calculated to non-idle, and the load will be higher than normal. This patch adds the missing call to calc_load_exit_idle(). Signed-off-by: Charles Wang Cc: stable@kernel.org Signed-off-by: Peter Zijlstra Link: http://lkml.kernel.org/r/1345449754-27130-1-git-send-email-muming.wq@gmail.com Signed-off-by: Ingo Molnar --- diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 024540f..3a9e5d5 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -573,6 +573,7 @@ static void tick_nohz_restart_sched_tick(struct tick_sched *ts, ktime_t now) tick_do_update_jiffies64(now); update_cpu_load_nohz(); + calc_load_exit_idle(); touch_softlockup_watchdog(); /* * Cancel the scheduled timer and restore the tick