Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758241AbZDQB0J (ORCPT ); Thu, 16 Apr 2009 21:26:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755718AbZDQBZ4 (ORCPT ); Thu, 16 Apr 2009 21:25:56 -0400 Received: from fgwmail7.fujitsu.co.jp ([192.51.44.37]:55348 "EHLO fgwmail7.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754669AbZDQBZz (ORCPT ); Thu, 16 Apr 2009 21:25:55 -0400 Date: Fri, 17 Apr 2009 10:24:17 +0900 From: KAMEZAWA Hiroyuki To: Andrea Righi Cc: Paul Menage , Balbir Singh , Gui Jianfeng , agk@sourceware.org, akpm@linux-foundation.org, axboe@kernel.dk, baramsori72@gmail.com, Carl Henrik Lunde , dave@linux.vnet.ibm.com, Divyesh Shah , eric.rannaud@gmail.com, fernando@oss.ntt.co.jp, Hirokazu Takahashi , Li Zefan , matt@bluehost.com, dradford@bluehost.com, ngupta@google.com, randy.dunlap@oracle.com, roberto@unbit.it, Ryo Tsuruta , Satoshi UCHIDA , subrata@linux.vnet.ibm.com, yoshikawa.takuya@oss.ntt.co.jp, containers@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/9] io-throttle documentation Message-Id: <20090417102417.88a0ef93.kamezawa.hiroyu@jp.fujitsu.com> In-Reply-To: <1239740480-28125-2-git-send-email-righi.andrea@gmail.com> References: <1239740480-28125-1-git-send-email-righi.andrea@gmail.com> <1239740480-28125-2-git-send-email-righi.andrea@gmail.com> Organization: FUJITSU Co. LTD. X-Mailer: Sylpheed 2.5.0 (GTK+ 2.10.14; i686-pc-mingw32) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 867 Lines: 27 On Tue, 14 Apr 2009 22:21:12 +0200 Andrea Righi wrote: > +Example: > +* Create an association between an io-throttle group and a bio-cgroup group > + with "bio" and "blockio" subsystems mounted in different mount points: > + # mount -t cgroup -o bio bio-cgroup /mnt/bio-cgroup/ > + # cd /mnt/bio-cgroup/ > + # mkdir bio-grp > + # cat bio-grp/bio.id > + 1 > + # mount -t cgroup -o blockio blockio /mnt/io-throttle > + # cd /mnt/io-throttle > + # mkdir foo > + # echo 1 > foo/blockio.bio_id Why do we need multiple cgroups at once to track I/O ? Seems complicated to me. Thanks, -Kame -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/