From: Mike Galbraith <umgwanakikbuti@gmail.com>
To: Josef Bacik <jbacik@fb.com>
Cc: bmaurer@fb.com, rkroll@fb.com, kernel-team@fb.com,
mingo@redhat.com, peterz@infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] sched/fair: change where we report sched stats
Date: Wed, 10 Dec 2014 07:23:24 +0100 [thread overview]
Message-ID: <1418192604.5312.28.camel@marge.simpson.net> (raw)
In-Reply-To: <1418149315-30173-1-git-send-email-jbacik@fb.com>
On Tue, 2014-12-09 at 13:21 -0500, Josef Bacik wrote:
> This patch moves stat stuff to after the schedule, right as we are waking up,
But sleep/block ends when the task is awakened/enqueued, not when it
gets the CPU. You're adding scheduling latency, breaking accounting.
-Mike
next prev parent reply other threads:[~2014-12-10 6:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-09 18:21 [PATCH] sched/fair: change where we report sched stats Josef Bacik
2014-12-10 6:23 ` Mike Galbraith [this message]
2014-12-10 21:48 ` Josef Bacik
2014-12-11 3:34 ` Mike Galbraith
2014-12-11 14:55 ` Josef Bacik
2014-12-14 9:56 ` Mike Galbraith
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