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From: Yuyang Du <yuyang.du@intel.com>
To: Vincent Guittot <vincent.guittot@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Dietmar Eggemann <dietmar.eggemann@arm.com>
Subject: Re: [PATCH v3] sched: fix first task of a task group is attached twice
Date: Thu, 16 Jun 2016 07:24:53 +0800	[thread overview]
Message-ID: <20160615232453.GN8105@intel.com> (raw)
In-Reply-To: <CAKfTPtDwPmjCV41TcBVURfHvM-7Qpx0n57i9h3Xzm90UHLbM1Q@mail.gmail.com>

On Thu, Jun 16, 2016 at 09:12:58AM +0200, Vincent Guittot wrote:
> > Then, when enqueued, both cfs_rq and task will be decayed to 0, due to
> > a large gap between 1 and now, no?
> 
> yes, like it is done currently (but 1ns later) .

Well, currently, cfs_rq will be decayed to 0, but will then add the task.
So it turns out the current result is right. Attached twice, but result
is right. Correct?

  reply	other threads:[~2016-06-16  7:21 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-24 13:08 [PATCH] sched: fix first task of a task group is attached twice Vincent Guittot
2016-05-25 15:01 ` [PATCH v2] " Vincent Guittot
2016-05-25 22:38   ` Yuyang Du
2016-05-26  8:26     ` Vincent Guittot
2016-05-26  0:40       ` Yuyang Du
2016-05-26  8:51         ` Vincent Guittot
2016-05-27 15:48   ` Dietmar Eggemann
2016-05-27 17:16     ` Vincent Guittot
2016-05-27 20:38       ` Dietmar Eggemann
2016-05-30  7:04         ` Vincent Guittot
2016-05-30 15:52           ` [PATCH v3] " Vincent Guittot
2016-05-30 19:48             ` Yuyang Du
2016-05-31  7:28               ` Vincent Guittot
2016-05-31  0:44                 ` Yuyang Du
2016-06-01 15:31             ` Dietmar Eggemann
2016-06-01 15:54               ` Vincent Guittot
2016-06-06 19:32                 ` Dietmar Eggemann
2016-06-07  7:35                   ` Vincent Guittot
2016-06-15 19:19             ` Yuyang Du
2016-06-16  7:12               ` Vincent Guittot
2016-06-15 23:24                 ` Yuyang Du [this message]
2016-06-16  9:42                   ` Vincent Guittot
2016-05-30 15:54         ` [PATCH v2] " Vincent Guittot

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