From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756775Ab3AHRTg (ORCPT ); Tue, 8 Jan 2013 12:19:36 -0500 Received: from mail-pa0-f48.google.com ([209.85.220.48]:55470 "EHLO mail-pa0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756758Ab3AHRTe (ORCPT ); Tue, 8 Jan 2013 12:19:34 -0500 Date: Tue, 8 Jan 2013 09:19:29 -0800 From: Tejun Heo To: Vivek Goyal Cc: lizefan@huawei.com, axboe@kernel.dk, containers@lists.linux-foundation.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, ctalbott@google.com, rni@google.com Subject: Re: [PATCH UPDATED 15/24] cfq-iosched: enable full blkcg hierarchy support Message-ID: <20130108171929.GX3926@htj.dyndns.org> References: <1356726946-26037-1-git-send-email-tj@kernel.org> <1356726946-26037-16-git-send-email-tj@kernel.org> <20130107163405.GE3926@htj.dyndns.org> <20130108144240.GA29635@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130108144240.GA29635@redhat.com> 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 Hey, Vivek. On Tue, Jan 08, 2013 at 09:42:40AM -0500, Vivek Goyal wrote: > > +A has children and further distributes its 57% among the children and > > +the implicit leaf node. The total active weight at this level is > > +AA:500 + AB:1000 + A-leaf:750 = 2250. > > + > > + A-leaf : ( 750 / 2250) * A =~ 19% > > + AA(-leaf) : ( 500 / 2250) * A =~ 12% > > + AB(-leaf) : (1000 / 2250) * A =~ 25% > > Hi Tejun, > > What does (-leaf) is supposed to signify? I can understand that A-leaf > tells the share of A's tasks which are effectively in A-leaf group. It's saying that the weight for AA and AA-leaf are the same. > Will just plain AA and AB be more clear? I don't know, maybe. Thanks. -- tejun