linux-kernel - Re: [PATCH linux next] delayacct: add delay max to record delay peak

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Message-Id: <20241205111033.3675568-1-yaxin_wang_uestc@163.com>
Date: Thu,  5 Dec 2024 11:10:33 +0000
From: yaxin_wang <yaxin_wang_uestc@....com>
To: yang.yang29@....com.cn
Cc: bsingharora@...il.com,
	akpm@...ux-foundation.org,
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Subject: Re: [PATCH linux next] delayacct: add delay max to record delay peak

>> From: Wang Yaxin <wang.yaxin@....com.cn>
>> the 'delay max' can display delay peak since the system's startup
>
>What about also add 'delay min' ? This could help us get to know how
>large the difference is between min and max, provide clues for optimizing
>potential. This is also some benchmark tools do, like stream which print:
>precision of your system timer.

I also think that 'delay min' would be useful. I will submit a new patch
to implement the 'delay min' later.

Yaxin