From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752699Ab3FFXAS (ORCPT ); Thu, 6 Jun 2013 19:00:18 -0400 Received: from mail-pb0-f54.google.com ([209.85.160.54]:56900 "EHLO mail-pb0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751848Ab3FFXAP (ORCPT ); Thu, 6 Jun 2013 19:00:15 -0400 Date: Thu, 6 Jun 2013 16:00:12 -0700 From: Tejun Heo To: Glauber Costa Cc: Peter Zijlstra , Paul Turner , linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, Frederic Weisbecker , devel@openvz.org, Dave Jones , Ben Hutchings , Lennart Poettering , Kay Sievers Subject: Re: [PATCH v7 04/11] sched: adjust exec_clock to use it as cpu usage metric Message-ID: <20130606230012.GN5045@htj.dyndns.org> References: <1369825402-31046-1-git-send-email-glommer@openvz.org> <1369825402-31046-5-git-send-email-glommer@openvz.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1369825402-31046-5-git-send-email-glommer@openvz.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 29, 2013 at 03:03:15PM +0400, Glauber Costa wrote: > exec_clock already provides per-group cpu usage metrics, and can be > reused by cpuacct in case cpu and cpuacct are comounted. > > However, it is only provided by tasks in fair class. Doing the same for > rt is easy, and can be done in an already existing hierarchy loop. This > is an improvement over the independent hierarchy walk executed by > cpuacct. > > Signed-off-by: Glauber Costa > CC: Dave Jones > CC: Ben Hutchings > CC: Peter Zijlstra > CC: Paul Turner > CC: Lennart Poettering > CC: Kay Sievers > CC: Tejun Heo Reviewed-by: Tejun Heo Thanks. -- tejun