mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Alex Shi <alex.shi@intel.com>
To: mingo@redhat.com, peterz@infradead.org, tglx@linutronix.de,
	akpm@linux-foundation.org, bp@alien8.de, pjt@google.com,
	namhyung@kernel.org, efault@gmx.de, morten.rasmussen@arm.com
Cc: vincent.guittot@linaro.org, preeti@linux.vnet.ibm.com,
	viresh.kumar@linaro.org, linux-kernel@vger.kernel.org,
	alex.shi@intel.com, mgorman@suse.de, riel@redhat.com,
	wangyun@linux.vnet.ibm.com, Jason Low <jason.low2@hp.com>,
	Changlong Xie <changlongx.xie@intel.com>
Subject: [patch v7 5/8] sched: update cpu load after task_tick.
Date: Thu, 30 May 2013 15:02:01 +0800	[thread overview]
Message-ID: <1369897324-16646-6-git-send-email-alex.shi@intel.com> (raw)
In-Reply-To: <1369897324-16646-1-git-send-email-alex.shi@intel.com>

To get the latest runnable info, we need do this cpuload update after
task_tick.

Signed-off-by: Alex Shi <alex.shi@intel.com>
---
 kernel/sched/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 6f226c2..05176b8 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2152,8 +2152,8 @@ void scheduler_tick(void)
 
 	raw_spin_lock(&rq->lock);
 	update_rq_clock(rq);
-	update_cpu_load_active(rq);
 	curr->sched_class->task_tick(rq, curr, 0);
+	update_cpu_load_active(rq);
 	raw_spin_unlock(&rq->lock);
 
 	perf_event_task_tick();
-- 
1.7.12


  parent reply	other threads:[~2013-05-30  7:04 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-30  7:01 [patch v7 0/8] sched: using runnable load avg in balance Alex Shi
2013-05-30  7:01 ` [patch v7 1/8] Revert "sched: Introduce temporary FAIR_GROUP_SCHED dependency for load-tracking" Alex Shi
2013-05-30  7:01 ` [patch v7 2/8] sched: move few runnable tg variables into CONFIG_SMP Alex Shi
2013-05-30  7:01 ` [patch v7 3/8] sched: set initial value of runnable avg for new forked task Alex Shi
2013-05-30  7:02 ` [patch v7 4/8] sched: fix slept time double counting in enqueue entity Alex Shi
2013-05-30  7:02 ` Alex Shi [this message]
2013-05-30  7:02 ` [patch v7 6/8] sched: compute runnable load avg in cpu_load and cpu_avg_load_per_task Alex Shi
2013-05-30  7:02 ` [patch v7 7/8] sched: consider runnable load average in move_tasks Alex Shi
2013-05-31 10:19   ` Morten Rasmussen
2013-05-31 15:07     ` Alex Shi
2013-05-30  7:02 ` [patch v7 8/8] sched: remove blocked_load_avg in tg Alex Shi
2013-06-03  6:43 ` [patch v7 0/8] sched: using runnable load avg in balance Alex Shi

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1369897324-16646-6-git-send-email-alex.shi@intel.com \
    --to=alex.shi@intel.com \
    --cc=akpm@linux-foundation.org \
    --cc=bp@alien8.de \
    --cc=changlongx.xie@intel.com \
    --cc=efault@gmx.de \
    --cc=jason.low2@hp.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mgorman@suse.de \
    --cc=mingo@redhat.com \
    --cc=morten.rasmussen@arm.com \
    --cc=namhyung@kernel.org \
    --cc=peterz@infradead.org \
    --cc=pjt@google.com \
    --cc=preeti@linux.vnet.ibm.com \
    --cc=riel@redhat.com \
    --cc=tglx@linutronix.de \
    --cc=vincent.guittot@linaro.org \
    --cc=viresh.kumar@linaro.org \
    --cc=wangyun@linux.vnet.ibm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®