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

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Message-ID: <3b03520e-775d-416a-91b1-1d78f3e91b1d@huaweicloud.com>
Date: Mon, 25 Nov 2024 10:14:59 +0800
From: Chen Ridong <chenridong@...weicloud.com>
To: Tejun Heo <tj@...nel.org>, peterz@...radead.org
Cc: Valentin Schneider <vschneid@...hat.com>, mingo@...hat.com,
 peterz@...radead.org, juri.lelli@...hat.com, vincent.guittot@...aro.org,
 dietmar.eggemann@....com, rostedt@...dmis.org, bsegall@...gle.com,
 mgorman@...e.de, mkoutny@...e.com >> Michal Koutný
 <mkoutny@...e.com>, 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 2024/11/15 9:28, Tejun Heo wrote:
> Hello,
> 
> On Fri, Nov 15, 2024 at 09:14:32AM +0800, Chen Ridong wrote:
>> Hi, Tj, There is no ambiguity what cgroup v2 shows. However, in cgroup
>> v1, the frozen tasks are reported as 'R'.  Do you think this is reseanable?
> 
> Oh, right, pardon my confusion. I thought this was about cgroup2 freezer.
> For cgroup1 freezer, yes, D is the closest state for reporting to userspace.
> 
> Thanks.
> 

Hello, Peterz, do you have any opinions?

Best regards,
Ridong