linux-kernel - Re: [PATCH] freezer, sched: report the frozen task stat as 'D'

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Message-ID: <24568f8a-f31d-4349-8641-b4c1450ce93c@huaweicloud.com>
Date: Fri, 13 Dec 2024 09:18:01 +0800
From: Chen Ridong <chenridong@...weicloud.com>
To: Michal Koutný <mkoutny@...e.com>
Cc: Tejun Heo <tj@...nel.org>, peterz@...radead.org,
 Valentin Schneider <vschneid@...hat.com>, mingo@...hat.com,
 juri.lelli@...hat.com, vincent.guittot@...aro.org, dietmar.eggemann@....com,
 rostedt@...dmis.org, bsegall@...gle.com, mgorman@...e.de,
 linux-kernel@...r.kernel.org, wangweiyang2@...wei.com,
 cgroups@...r.kernel.org
Subject: Re: [PATCH] freezer, sched: report the frozen task stat as 'D'



On 2024/12/12 0:02, Michal Koutný wrote:
> Hi.
> 
> On Wed, Dec 04, 2024 at 09:52:15AM GMT, Chen Ridong <chenridong@...weicloud.com> wrote:
>> Does anyone have any opinions?
> 
> When an 'R' task is frozen (v1) and it's shown as (unchanged) 'R' it's
> acceptable.
> When an 'S' task is equally frozen and its apparent state switches to
> 'R', I agree it's confusing.
> 
> Showing 'D' state in any case of a frozen task (like before that rework)
> makes sense too. Please add Fixes: if you need to restore this behavior.
> 
> HTH,
> Michal

Thank you, Michal. I will update.

Thanks,
Ridong