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In-Reply-To: <048124e2-8436-62e3-6205-f122ec386763@linux.alibaba.com>
From:   Josh Don <joshdon@google.com>
Date:   Tue, 4 Jan 2022 09:58:18 -0800
Message-ID: <CABk29Ntcq-ou=2JPBRs4HhOUcOcsL-hdG5ns55-TTHCOePhnZg@mail.gmail.com>
Subject: Re: [PATCH 0/2] Forced idle time accounting per cpu
To:     cruzzhao <cruzzhao@linux.alibaba.com>
Cc:     Ingo Molnar <mingo@redhat.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Juri Lelli <juri.lelli@redhat.com>,
        Vincent Guittot <vincent.guittot@linaro.org>,
        Dietmar Eggemann <dietmar.eggemann@arm.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Benjamin Segall <bsegall@google.com>,
        Mel Gorman <mgorman@suse.de>,
        Daniel Bristot de Oliveira <bristot@redhat.com>,
        Alexey Dobriyan <adobriyan@gmail.com>,
        Eric Dumazet <edumazet@google.com>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>
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On Mon, Jan 3, 2022 at 11:15 PM cruzzhao <cruzzhao@linux.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