Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755445AbZCLGkf (ORCPT ); Thu, 12 Mar 2009 02:40:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752729AbZCLGk0 (ORCPT ); Thu, 12 Mar 2009 02:40:26 -0400 Received: from yx-out-2324.google.com ([74.125.44.28]:21239 "EHLO yx-out-2324.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751204AbZCLGkZ (ORCPT ); Thu, 12 Mar 2009 02:40:25 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=T08TJVDBVNeZ1zb6Pv6/C8l7JWUGqaxxpVmk3JTYUZWoJ+s5MC6etG2dffPccyQ5n9 Qi0yJui0z+GJm+2vCP2XbXKs6pE5UDTt2iTeM+oY5Dnr9b+2V/cAba/v54Um+APkEuyv 8/NwTJaWDfnhOmyjdktrzGXrgzyQ0NBVhU570= MIME-Version: 1.0 In-Reply-To: <49B8810B.7030603@oss.ntt.co.jp> References: <1236823015-4183-1-git-send-email-vgoyal@redhat.com> <49B8810B.7030603@oss.ntt.co.jp> Date: Thu, 12 Mar 2009 14:40:23 +0800 Message-ID: Subject: Re: [RFC] IO Controller From: anqin To: Takuya Yoshikawa , Vivek Goyal Cc: oz-kernel@redhat.com, paolo.valente@unimore.it, linux-kernel@vger.kernel.org, dhaval@linux.vnet.ibm.com, containers@lists.linux-foundation.org, menage@google.com, jmoyer@redhat.com, fchecconi@gmail.com, arozansk@redhat.com, jens.axboe@oracle.com, akpm@linux-foundation.org, fernando@intellilink.co.jp, balbir@linux.vnet.ibm.com Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2791 Lines: 81 Hi Vivek, It would be very appreciated if the patches can be based on 2.6.28. Thanks a lot. Anqin On Thu, Mar 12, 2009 at 11:27 AM, Takuya Yoshikawa wrote: > Hi Vivek, > > Could you tell me to which kernel I can apply your patches? > # latest mm? > I would like to test your controller. > > Thank you, > Takuya Yoshikawa > > > Vivek Goyal wrote: >> >> Hi All, >> >> Here is another posting for IO controller patches. Last time I had posted >> RFC patches for an IO controller which did bio control per cgroup. >> >> http://lkml.org/lkml/2008/11/6/227 >> >> One of the takeaway from the discussion in this thread was that let us >> implement a common layer which contains the proportional weight scheduling >> code which can be shared by all the IO schedulers. >> >> Implementing IO controller will not cover the devices which don't use >> IO schedulers but it should cover the common case. >> >> There were more discussions regarding 2 level vs 1 level IO control at >> following link. >> >> https://lists.linux-foundation.org/pipermail/containers/2009-January/015402.html >> >> So in the mean time we took the discussion off the list and spent time on >> making the 1 level control apporoach work where majority of the proportional >> weight control is shared by the four schedulers instead of each one having >> to replicate the code. We make use of BFQ code for fair queuing as posted >> by Paolo and Fabio here. >> >> http://lkml.org/lkml/2008/11/11/148 >> >> Details about design and howto have been put in documentation patch. >> >> I have done very basic testing of running 2 or 3 "dd" threads in different >> cgroups. Wanted to get the patchset out for feedback/review before we dive >> into more bug fixing, benchmarking, optimizations etc. >> >> Your feedback/comments are welcome. >> >> Patch series contains 10 patches. It should be compilable and bootable after >> every patch. Intial 2 patches implement flat fair queuing (no cgroup >> support) and make cfq to use that. Later patches introduce hierarchical >> fair queuing support in elevator layer and modify other IO schdulers to use >> that. >> >> Thanks >> Vivek >> _______________________________________________ >> Containers mailing list >> Containers@lists.linux-foundation.org >> https://lists.linux-foundation.org/mailman/listinfo/containers >> > > _______________________________________________ > Containers mailing list > Containers@lists.linux-foundation.org > https://lists.linux-foundation.org/mailman/listinfo/containers > -- 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/