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Message-ID: <b89155d3-9315-fefc-408b-4cf538360a1c@bytedance.com>
Date:   Wed, 10 Aug 2022 09:30:59 +0800
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Subject: Re: [PATCH v2 09/10] sched/psi: per-cgroup PSI stats
 disable/re-enable interface
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From:   Chengming Zhou <zhouchengming@bytedance.com>
To:     Tejun Heo <tj@kernel.org>
Cc:     hannes@cmpxchg.org, corbet@lwn.net, surenb@google.com,
        mingo@redhat.com, peterz@infradead.org, vincent.guittot@linaro.org,
        dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com,
        cgroups@vger.kernel.org, linux-doc@vger.kernel.org,
        linux-kernel@vger.kernel.org, songmuchun@bytedance.com
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On 2022/8/10 08:39, Chengming Zhou wrote:
> On 2022/8/10 01:48, Tejun Heo wrote:
>> Hello,
>>
>> On Mon, Aug 08, 2022 at 07:03:40PM +0800, Chengming Zhou wrote:
>>> So this patch introduce a per-cgroup PSI stats disable/re-enable
>>> interface "cgroup.psi", which is a read-write single value file that
>>> allowed values are "0" and "1", the defaults is "1" so per-cgroup
>>> PSI stats is enabled by default.
>>
>> Given that the knobs are named {cpu|memory|io}.pressure, I wonder whether
>> "cgroup.psi" is the best name. Also, it doesn't convey that it's the
>> enable/disable knob. I think it needs a better name.
> 
> Yes, "cgroup.psi" is not good. What abort "pressure.enable" or "cgroup.psi_enable"?

Doesn't look good either, what do you think of "cgroup.pressure.enable"?

Thanks.