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From: Yuyang Du <yuyang.du@intel.com>
To: Vincent Guittot <vincent.guittot@linaro.org>
Cc: peterz@infradead.org, mingo@kernel.org,
	linux-kernel@vger.kernel.org, dietmar.eggemann@arm.com
Subject: Re: [PATCH v2] sched: fix first task of a task group is attached twice
Date: Thu, 26 May 2016 06:38:24 +0800	[thread overview]
Message-ID: <20160525223824.GI18670@intel.com> (raw)
In-Reply-To: <1464188472-30086-1-git-send-email-vincent.guittot@linaro.org>

On Wed, May 25, 2016 at 05:01:11PM +0200, Vincent Guittot wrote:
> The cfs_rq->avg.last_update_time is initialize to 0 with the main effect
> that the 1st sched_entity that will be attached, will keep its
> last_update_time set to 0 and will attached once again during the
> enqueue.
> Initialize cfs_rq->avg.last_update_time to 1 instead.
 
Actually, the first time (attach_task_cfs_rq()) is called even way
before init_entity_runnable_average(), no?

  reply	other threads:[~2016-05-26  6:35 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 [this message]
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
2016-06-16  9:42                   ` Vincent Guittot
2016-05-30 15:54         ` [PATCH v2] " Vincent Guittot

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