linux-kernel - Re: [PATCH linux-next] delayacct: improve the average delay precision of getdelay tool to microsecond

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Message-ID: <202303021126356602083@zte.com.cn>
Date:   Thu, 2 Mar 2023 11:26:35 +0800 (CST)
From:   <yang.yang29@....com.cn>
To:     <bagasdotme@...il.com>
Cc:     <akpm@...ux-foundation.org>, <david@...hat.com>,
        <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
        <linux-doc@...r.kernel.org>, <wang.yong12@....com.cn>
Subject: Re: [PATCH linux-next] delayacct: improve the average delay precision of getdelay tool to microsecond

> I'm kinda confused. 0.000ms is same as 0ms, right?
Not really. The types of these two results are different, so the precision of
representation is different.

> And did you mean accuracy of delay average is to be same as CPU time?
Yes.