From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH 0/10] psi: pressure stall information for CPU, memory, and IO v2 Date: Mon, 30 Jul 2018 11:07:55 -0700 Message-ID: <20180730180755.GM1206094@devbig004.ftw2.facebook.com> References: <20180712172942.10094-1-hannes@cmpxchg.org> <20180727220123.GB18879@amd> <20180730154035.GC4567@cmpxchg.org> <20180730173940.GB881@amd> <20180730175120.GJ1206094@devbig004.ftw2.facebook.com> <20180730175936.GA2416@amd> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=bcmzDygmGzmRfPe114L0/zYL4+ydIfyVDgGHoeXvqWI=; b=WboBz+biF9TN9se9aAMhuir7sBAMJI2lPv7fW6Hel6OMJuv2FCjQ6oL0SdaNYmfis6 PwBOeJItpMAoHbuNqL+tSrMrGhNgoi09mV8Van+fsxGxvHbkYm30JH2YilaGEmz6fQv+ GTRUUY6IkvXm0MwKdgl069lhl45I8gV9Mxq3ll85tOHs5CERaa3AKHF7+4Kc+wejHB8U HEdD9DGBrP8yG44csz9B7WlqUTi5NKWAm9wHZHol/bn+L07rN667pHr5WaGU6cQUt/Tw H44igUGMMGQ8mEyjD8Dt2qLLaRHFoDqR12ys/iUI3niDMPax5Fb2LMWJ99MJHLz2JsPF P/Dg== Content-Disposition: inline In-Reply-To: <20180730175936.GA2416@amd> Sender: linux-kernel-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Pavel Machek Cc: Johannes Weiner , Ingo Molnar , Peter Zijlstra , Andrew Morton , Linus Torvalds , Suren Baghdasaryan , Vinayak Menon , Christopher Lameter , Mike Galbraith , Shakeel Butt , linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@fb.com 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