From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755738AbZKDT1v (ORCPT ); Wed, 4 Nov 2009 14:27:51 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751732AbZKDT1u (ORCPT ); Wed, 4 Nov 2009 14:27:50 -0500 Received: from mx1.redhat.com ([209.132.183.28]:5335 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751406AbZKDT1u (ORCPT ); Wed, 4 Nov 2009 14:27:50 -0500 From: Jeff Moyer To: Vivek Goyal Cc: linux-kernel@vger.kernel.org, jens.axboe@oracle.com, nauman@google.com, dpshah@google.com, lizf@cn.fujitsu.com, ryov@valinux.co.jp, fernando@oss.ntt.co.jp, s-uchida@ap.jp.nec.com, taka@valinux.co.jp, guijianfeng@cn.fujitsu.com, balbir@linux.vnet.ibm.com, righi.andrea@gmail.com, m-ikeda@ds.jp.nec.com, akpm@linux-foundation.org, riel@redhat.com, kamezawa.hiroyu@jp.fujitsu.com Subject: Re: [RFC] Block IO Controller V1 References: <1257291837-6246-1-git-send-email-vgoyal@redhat.com> <20091104191939.GL2870@redhat.com> X-PGP-KeyID: 1F78E1B4 X-PGP-CertKey: F6FE 280D 8293 F72C 65FD 5A58 1FF8 A7CA 1F78 E1B4 X-PCLoadLetter: What the f**k does that mean? Date: Wed, 04 Nov 2009 14:27:10 -0500 In-Reply-To: <20091104191939.GL2870@redhat.com> (Vivek Goyal's message of "Wed, 4 Nov 2009 14:19:39 -0500") Message-ID: User-Agent: Gnus/5.110011 (No Gnus v0.11) Emacs/23.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Vivek Goyal writes: > On Wed, Nov 04, 2009 at 02:12:19PM -0500, Jeff Moyer wrote: >> Vivek Goyal writes: >> >> > Hi All, >> > >> > This is V1 of the Block IO controller patches on top of 2.6.32-rc5. >> > >> > A consolidated patch can be found here: >> > >> > http://people.redhat.com/vgoyal/io-controller/blkio-controller/blkio-controller-v1.patch >> >> Overall it looks good. Vivek, could you please run some benchmarks >> against a vanilla kernel and then with your patch applied and cgroups >> compiled in but not configured? >> > > Sure I can. Do you have something specific in mind? I don't, actually. iozone comes to mind as a simple test to setup and run. Or you could run one or more of the fio sample job files. Really, I just want to see if we're taking a huge performance hit so we can fix that up before it's merged. Thanks! Jeff