linux-kernel - Re: [PATCH v2] scheduler: enhancement to show_state

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Date:   Tue, 8 Aug 2017 12:24:38 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Yafang Shao <laoar.shao@...il.com>
Cc:     gregkh@...uxfoundation.org, jslaby@...e.com, mingo@...hat.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] scheduler: enhancement to show_state_filter

On Tue, Aug 08, 2017 at 04:50:23PM +0800, Yafang Shao wrote:
> Hi Peter,
> 
> The point is we call use it as bellow,
>     show_state_filter(TASK_RUNNING);
> because TASK_RUNNING is 0, that will dump all tasks.
> 
> Under some circumstance, we need this to dump only tasks in TASK_RUNNING state.

But the patch doesn't introduce any of that. It just makes the existing
code unreadable.