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From: Steve Muckle <smuckle@google.com>
To: Dietmar Eggemann <dietmar.eggemann@arm.com>,
	Peter Zijlstra <peterz@infradead.org>
Cc: Miguel de Dios <migueldedios@google.com>,
	Ingo Molnar <mingo@redhat.com>,
	linux-kernel@vger.kernel.org, kernel-team@android.com,
	Todd Kjos <tkjos@google.com>, Paul Turner <pjt@google.com>,
	Quentin Perret <quentin.perret@arm.com>,
	Patrick Bellasi <Patrick.Bellasi@arm.com>,
	Chris Redpath <Chris.Redpath@arm.com>,
	Morten Rasmussen <Morten.Rasmussen@arm.com>,
	John Dias <joaodias@google.com>
Subject: Re: [PATCH] sched/fair: vruntime should normalize when switching from fair
Date: Fri, 31 Aug 2018 15:24:04 -0700	[thread overview]
Message-ID: <52ea5cf6-b22b-f026-5796-f52b3e40415a@google.com> (raw)
In-Reply-To: <f7c5a86f-7d76-bf26-4763-94a9ef4bba2e@arm.com>

On 08/29/2018 08:33 AM, Dietmar Eggemann wrote:
> Yes, this solves the issue for the case I described. Using
> 'p->sched_remote_wakeup' (WF_MIGRATED) looks more elegant than using
> 'p->sched_class == &fair_sched_class'.

It's confirmed that this patch solves the original issue we saw (and my 
test case passes for me as well). I will send this version out shortly.

  reply	other threads:[~2018-08-31 22:24 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-17 18:27 [PATCH] sched/fair: vruntime should normalize when switching from fair Steve Muckle
2018-08-20 23:54 ` Miguel de Dios
2018-08-23 16:52   ` Dietmar Eggemann
2018-08-24  6:54     ` Juri Lelli
2018-08-24 21:17       ` Steve Muckle
2018-09-06 23:25       ` Dietmar Eggemann
2018-09-07  7:16         ` Juri Lelli
2018-09-07  7:58           ` Vincent Guittot
2018-09-11  6:24             ` Dietmar Eggemann
2018-08-24  9:32   ` Peter Zijlstra
2018-08-24  9:47     ` Peter Zijlstra
2018-08-24 21:24       ` Steve Muckle
2018-08-27 11:14         ` Peter Zijlstra
2018-08-28 14:53           ` Dietmar Eggemann
2018-08-29 10:54             ` Dietmar Eggemann
2018-08-29 11:59               ` Peter Zijlstra
2018-08-29 15:33                 ` Dietmar Eggemann
2018-08-31 22:24                   ` Steve Muckle [this message]
2018-09-26  9:50             ` Wanpeng Li
2018-09-26 22:38               ` Dietmar Eggemann
2018-09-27  1:19                 ` Wanpeng Li
2018-09-27 13:22                   ` Dietmar Eggemann
2018-09-28  0:43                     ` Wanpeng Li
2018-09-28 16:10                       ` Steve Muckle
2018-09-28 16:45                         ` Joel Fernandes
2018-09-28 17:35                         ` Dietmar Eggemann
2018-09-29  1:07                           ` Wanpeng Li
2018-09-28 17:11                       ` Dietmar Eggemann
2018-09-28 16:43                   ` Joel Fernandes

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