linux-kernel - Re: [PATCH 0/10] psi: pressure stall information for CPU, memory, and IO v2

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Message-ID: <20180730180755.GM1206094@devbig004.ftw2.facebook.com>
Date:   Mon, 30 Jul 2018 11:07:55 -0700
From:   Tejun Heo <tj@...nel.org>
To:     Pavel Machek <pavel@....cz>
Cc:     Johannes Weiner <hannes@...xchg.org>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Vinayak Menon <vinmenon@...eaurora.org>,
        Christopher Lameter <cl@...ux.com>,
        Mike Galbraith <efault@....de>,
        Shakeel Butt <shakeelb@...gle.com>, linux-mm@...ck.org,
        cgroups@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-team@...com
Subject: Re: [PATCH 0/10] psi: pressure stall information for CPU, memory,
 and IO v2

On Mon, Jul 30, 2018 at 07:59:36PM +0200, Pavel Machek wrote:
> Its true I have no interest in psi. But I'm trying to use same kernel
> you are trying to "improve" and I was confused enough by seing
> "CONFIG_PSI". And yes, my association was "pounds per square inch" and
> "what is it doing here".

Read the help message.  If that's not enough, we sure can improve it.

> So I'm asking you to change the name.
> 
> USB is well known acronym, so it is okay to have CONFIG_USB. PSI is
> also well known -- but means something else.
> 
> And the code kind-of acknowledges that acronym is unknown, by having
> /proc/pressure.

Your momentary confusion isn't the only criterion.

Thanks.

-- 
tejun