Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752039AbXE3AQX (ORCPT ); Tue, 29 May 2007 20:16:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750796AbXE3AQQ (ORCPT ); Tue, 29 May 2007 20:16:16 -0400 Received: from adsl-69-232-92-238.dsl.sndg02.pacbell.net ([69.232.92.238]:44818 "EHLO gnuppy.monkey.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750715AbXE3AQP (ORCPT ); Tue, 29 May 2007 20:16:15 -0400 Date: Tue, 29 May 2007 17:14:06 -0700 To: Srivatsa Vaddagiri Cc: "Li, Tong N" , Nick Piggin , tingy@cs.umass.edu, ckrm-tech@lists.sourceforge.net, Balbir Singh , efault@gmx.de, pwil3058@bigpond.net.au, kernel@kolivas.org, linux-kernel@vger.kernel.org, William Lee Irwin III , containers@lists.osdl.org, Ingo Molnar , torvalds@linux-foundation.org, akpm@linux-foundation.org, "Bill Huey (hui)" Subject: Re: [ckrm-tech] [RFC] [PATCH 0/3] Add group fairness to CFS Message-ID: <20070530001406.GA8449@gnuppy.monkey.org> References: <20070523164859.GA6595@in.ibm.com> <20070523180316.GY19966@holomorphy.com> <20070525161424.GA5162@in.ibm.com> <1180113298.28264.24.camel@tongli.jf.intel.com> <20070528163919.GA28054@in.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070528163919.GA28054@in.ibm.com> User-Agent: Mutt/1.5.13 (2006-08-11) From: Bill Huey (hui) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1087 Lines: 23 On Mon, May 28, 2007 at 10:09:19PM +0530, Srivatsa Vaddagiri wrote: > On Fri, May 25, 2007 at 10:14:58AM -0700, Li, Tong N wrote: > > is represented by a weight of 10. Inside the group, let's say the two > > tasks, P1 and P2, have weights 1 and 2. Then the system-wide weight for > > P1 is 10/3 and the weight for P2 is 20/3. In essence, this flattens > > weights into one level without changing the shares they represent. > > What do these task weights control? Timeslice primarily? If so, I am not > sure how well it can co-exist with cfs then (unless you are planning to > replace cfs with a equally good interactive/fair scheduler :) It's called SD. From Con Kolivas that got it right the first time around :) > I would be very interested if this weight calculation can be used for > smpnice based load balancing purposes too .. bill - 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/