From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753506Ab2ITSBG (ORCPT ); Thu, 20 Sep 2012 14:01:06 -0400 Received: from mail-ie0-f174.google.com ([209.85.223.174]:47846 "EHLO mail-ie0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751500Ab2ITSBE (ORCPT ); Thu, 20 Sep 2012 14:01:04 -0400 Date: Thu, 20 Sep 2012 11:00:49 -0700 From: Tejun Heo To: Glauber Costa Cc: linux-kernel@vger.kernel.org, containers@lists.linux-foundation.org, cgroups@vger.kernel.org, lizefan@huawei.com, peterz@infradead.org, mhocko@suse.cz, kay.sievers@vrfy.org, mzxreary@0pointer.de, davej@redhat.com, ben@decadent.org.uk, pjt@google.com Subject: Re: [PATCH 2/3] cgroup, sched: let cpu serve the same files as cpuacct Message-ID: <20120920180049.GG28934@google.com> References: <1348094625-4471-1-git-send-email-tj@kernel.org> <1348094625-4471-3-git-send-email-tj@kernel.org> <505ACE36.80603@parallels.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <505ACE36.80603@parallels.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hell, Glauber. On Thu, Sep 20, 2012 at 12:05:10PM +0400, Glauber Costa wrote: > The whole point of this merge is that this is not needed. Yeah, the whole point of this series is enabling that and other optimizations. > This information is already available from exec_clock for fair tasks. > for rt tasks, we have no exec clock, but do have a hierarchy walk a bit > below the current cpuacct charge, that can be used for that purpose. Yeah yeah, sure, now you can build that on top of this patchset without worrying about cpuacct, which can also, hopefully, be removed fairly soon. Thanks. -- tejun