linux-kernel - Re: [PATCH linux-next] delaytop: Enhance error logging and add PSI feature description

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Message-ID: <20250819104857534LiqtVKwdKo9YvtrWNyVx3@zte.com.cn>
Date: Tue, 19 Aug 2025 10:48:57 +0800 (CST)
From: <fan.yu9@....com.cn>
To: <yang.yang29@....com.cn>
Cc: <wang.yaxin@....com.cn>, <akpm@...ux-foundation.org>, <corbet@....net>,
        <linux-kernel@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <xu.xin16@....com.cn>
Subject: Re: [PATCH linux-next] delaytop: Enhance error logging and add PSI feature description

> Looking forward for this:
> Another suggestion, we can provide a new command to control
> the display of either the total memory delay for tasks or detailed
> memory delays. This approach offers two benefits: first, it better
> aligns with PSI results; second, it offers choices for users with
> different interests (e.g., some users may not have enabled or
> are not concerned about swap delay).

Agreed. I’ll implement this as a new interactive usage with on-screen keybindings
to toggle between a summarized total memory delay and the full breakdown.