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Date:   Wed, 18 May 2022 12:21:40 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Fam Zheng <fam.zheng@bytedance.com>
Cc:     linux-kernel@vger.kernel.org, Steven Rostedt <rostedt@goodmis.org>,
        Ben Segall <bsegall@google.com>,
        Daniel Bristot de Oliveira <bristot@redhat.com>,
        Dietmar Eggemann <dietmar.eggemann@arm.com>,
        zhouchengming@bytedance.com,
        Vincent Guittot <vincent.guittot@linaro.org>, fam@euphon.net,
        Mel Gorman <mgorman@suse.de>, Ingo Molnar <mingo@redhat.com>,
        songmuchun@bytedance.com, Juri Lelli <juri.lelli@redhat.com>
Subject: Re: [RFC PATCH] sched: Enable root level cgroup bandwidth control
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On Wed, May 18, 2022 at 11:08:41AM +0100, Fam Zheng wrote:
> In the data center there sometimes comes a need to throttle down a
> server, 

Why?