linux-kernel - Re: [PATCH] freezer,sched: Report TASK_FROZEN tasks as TASK

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Message-ID: <20231024143908.GA40044@noisy.programming.kicks-ass.net>
Date:   Tue, 24 Oct 2023 16:39:08 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Liangliang Li <liliangliang@...o.com>
Cc:     Ingo Molnar <mingo@...hat.com>, Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Valentin Schneider <vschneid@...hat.com>,
        linux-kernel@...r.kernel.org, opensource.kernel@...o.com
Subject: Re: [PATCH] freezer,sched: Report TASK_FROZEN tasks as
 TASK_UNINTERRUPTIBLE

On Mon, Oct 23, 2023 at 09:57:35PM +0800, Liangliang Li wrote:
> TASK_FROZEN is not in TASK_REPORT, thus a frozen task will appear as
> state == 0, IOW TASK_RUNNING.
> 
> Fix this by make TASK_FROZEN appear as TASK_UNINTERRUPTIBLE, thus we
> dont need to imply a new state to userspace tools.

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