From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f50.google.com (mail-pa0-f50.google.com [209.85.220.50]) by kanga.kvack.org (Postfix) with ESMTP id F14176B0265 for ; Wed, 13 Jan 2016 17:49:17 -0500 (EST) Received: by mail-pa0-f50.google.com with SMTP id cy9so365548250pac.0 for ; Wed, 13 Jan 2016 14:49:17 -0800 (PST) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTPS id t76si4757450pfi.226.2016.01.13.14.49.17 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 13 Jan 2016 14:49:17 -0800 (PST) Date: Wed, 13 Jan 2016 14:49:16 -0800 From: Andrew Morton Subject: Re: [PATCH 0/2] mm: memcontrol: cgroup2 memory statistics Message-Id: <20160113144916.03f03766e201b6b04a8a47cc@linux-foundation.org> In-Reply-To: <1452722469-24704-1-git-send-email-hannes@cmpxchg.org> References: <1452722469-24704-1-git-send-email-hannes@cmpxchg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Johannes Weiner Cc: Michal Hocko , Vladimir Davydov , linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@fb.com On Wed, 13 Jan 2016 17:01:07 -0500 Johannes Weiner wrote: > Hi Andrew, > > these patches add basic memory statistics so that new users of cgroup2 > have some inkling of what's going on, and are not just confronted with > a single number of bytes used. > > This is very short-notice, but also straight-forward. It would be cool > to get this in along with the lifting of the cgroup2 devel flag. > > Michal, Vladimir, what do you think? We'll also have to figure out how > we're going to represent and break down the "kmem" consumers. > It would be nice to see example output, and a description of why this output was chosen: what was included, what was omitted, why it was presented this way, what units were chosen for displaying the stats and why. Will the things which are being displayed still be relevant (or even available) 10 years from now. etcetera. And the interface should be documented at some point. Doing it now will help with the review of the proposed interface. Because this stuff is forever and we have to get it right. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org