Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752056AbZJAFN5 (ORCPT ); Thu, 1 Oct 2009 01:13:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751612AbZJAFN5 (ORCPT ); Thu, 1 Oct 2009 01:13:57 -0400 Received: from e7.ny.us.ibm.com ([32.97.182.137]:53808 "EHLO e7.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751570AbZJAFN4 (ORCPT ); Thu, 1 Oct 2009 01:13:56 -0400 Date: Thu, 1 Oct 2009 10:42:30 +0530 From: Bharata B Rao To: Balbir Singh , Pavel Emelyanov , linux-kernel@vger.kernel.org, Dhaval Giani , Vaidyanathan Srinivasan , Gautham R Shenoy , Srivatsa Vaddagiri , Ingo Molnar , Peter Zijlstra , Avi Kivity , Chris Friesen , Paul Menage , Mike Waychison Subject: Re: [RFC v2 PATCH 0/8] CFS Hard limits - v2 Message-ID: <20091001051230.GA3451@in.ibm.com> Reply-To: bharata@linux.vnet.ibm.com References: <20090930124919.GA19951@in.ibm.com> <4AC35EDD.1080902@openvz.org> <20090930143820.GG3071@balbir.in.ibm.com> <4AC374E3.9000308@openvz.org> <20090930153053.GM3071@balbir.in.ibm.com> <20090930223039.GO484@MAIL.13thfloor.at> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090930223039.GO484@MAIL.13thfloor.at> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 805 Lines: 20 On Thu, Oct 01, 2009 at 12:30:39AM +0200, Herbert Poetzl wrote: > > Linux-VServer uses interval and rate, which is very similar > to your setup, except that we use two pairs to achive > a differentiation for 'busy' and 'idle' cases, i.e. when > the cpu(s) would go idle, we switch from R1/I1 to R2/I2 > for all guests, allowing to distribute the excess differently > than the 'active' part ... but only one set is needed for > hard limits ... Do you have examples of how you choose R1, I1 and R2, I2 for guests running typical workloads ? Regards, Bharata. -- 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/