From mboxrd@z Thu Jan  1 00:00:00 1970
From: Johannes Weiner <hannes@cmpxchg.org>
Subject: Re: [PATCH 0/10] psi: pressure stall information for CPU, memory,
 and IO v2
Date: Mon, 30 Jul 2018 11:40:35 -0400
Message-ID: <20180730154035.GC4567@cmpxchg.org>
References: <20180712172942.10094-1-hannes@cmpxchg.org>
 <20180727220123.GB18879@amd>
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To: Pavel Machek <pavel@ucw.cz>
Cc: Ingo Molnar <mingo@redhat.com>, Peter Zijlstra <peterz@infradead.org>, Andrew Morton <akpm@linux-foundation.org>, Linus Torvalds <torvalds@linux-foundation.org>, Tejun Heo <tj@kernel.org>, Suren Baghdasaryan <surenb@google.com>, Vinayak Menon <vinmenon@codeaurora.org>, Christopher Lameter <cl@linux.com>, Mike Galbraith <efault@gmx.de>, Shakeel Butt <shakeelb@google.com>, linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@fb.com

On Sat, Jul 28, 2018 at 12:01:23AM +0200, Pavel Machek wrote:
> > 		How do you use this feature?
> > 
> > A kernel with CONFIG_PSI=y will create a /proc/pressure directory with
> > 3 files: cpu, memory, and io. If using cgroup2, cgroups will also
> 
> Could we get the config named CONFIG_PRESSURE to match /proc/pressure?
> "PSI" is little too terse...

I'd rather have the internal config symbol match the naming scheme in
the code, where psi is a shorter, unique token as copmared to e.g.
pressure, press, prsr, etc.

The prompt text that the user primarily sees spells out "Pressure", so
I don't think this is confusing.