linux-kernel - Re: [PATCH 0/2] Forced idle time accounting per cpu

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Message-ID: <CABk29Ntcq-ou=2JPBRs4HhOUcOcsL-hdG5ns55-TTHCOePhnZg@mail.gmail.com>
Date:   Tue, 4 Jan 2022 09:58:18 -0800
From:   Josh Don <joshdon@...gle.com>
To:     cruzzhao <cruzzhao@...ux.alibaba.com>
Cc:     Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Benjamin Segall <bsegall@...gle.com>,
        Mel Gorman <mgorman@...e.de>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Eric Dumazet <edumazet@...gle.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>
Subject: Re: [PATCH 0/2] Forced idle time accounting per cpu

On Mon, Jan 3, 2022 at 11:15 PM cruzzhao <cruzzhao@...ux.alibaba.com> wrote:
>
> Ping.
> Accounting forced idle time for per cpu can help us measure the cost of
> enabling core scheduling from a global perspective. Mind having a look
> at it?

Sorry, just got back from vacation. I'll have a look at the patches
later today, but the idea sounds reasonable.

Best,
Josh