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Message-Id: <1345449754-27130-1-git-send-email-muming.wq@gmail.com> Date: Mon, 20 Aug 2012 16:02:33 +0800 From: Charles Wang <muming.wq@...il.com> To: peterz@...radead.org, linux-kernel@...r.kernel.org, mingo@...hat.com, dsmythies@...us.net Cc: Charles Wang <muming.wq@...il.com>, Charles Wang <muming.wq@...bao.com> Subject: [PATCH] sched: add missing call for calc_load_exit_idle >From Charles Wang <muming.wq@...bao.com> Azat Khuzhin reported "high loadavg in linux-3.6" After checking for upstream's code, I found Peter's patch (Commit id:5167e8d5417bf5c322a703d2927daec727ea40dd) not be fully applied, missing the call for 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 add the missing call for calc_load_exit_idle. Signed-off-by: Charles Wang <muming.wq@...bao.com> 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 -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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