linux-kernel - Re: [PATCH v3] vmpressure: wake up work only when there is registration event

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Message-ID: <CAOH5QeBA7+W3Pc6z50mExv_3Zoh+v_4wrxweiRBsnsXN66gOmg@mail.gmail.com>
Date:   Mon, 27 Sep 2021 23:43:04 +0800
From:   yong w <yongw.pur@...il.com>
To:     Michal Hocko <mhocko@...e.com>
Cc:     Tejun Heo <tj@...nel.org>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        wang.yong12@....com.cn, Cgroups <cgroups@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux MM <linux-mm@...ck.org>, yang.yang29@....com.cn
Subject: Re: [PATCH v3] vmpressure: wake up work only when there is
 registration event

> Your data still doesn't make any sense. I have asked about that in the
> previous submission and you haven't really clarified anything. How come
> your task-clock has almost doubled. You are likely not not comparing
> apples to apples or something weird is going on.
>
> This patch is not going to fly without a sensible data and analysis of
> that data.
I see. I'll try to test the optimization again.
Thanks a lot!