Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751538AbWJWFzO (ORCPT ); Mon, 23 Oct 2006 01:55:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751539AbWJWFzN (ORCPT ); Mon, 23 Oct 2006 01:55:13 -0400 Received: from omx1-ext.sgi.com ([192.48.179.11]:4797 "EHLO omx1.americas.sgi.com") by vger.kernel.org with ESMTP id S1751537AbWJWFzM (ORCPT ); Mon, 23 Oct 2006 01:55:12 -0400 Date: Sun, 22 Oct 2006 22:54:56 -0700 From: Paul Jackson To: "Siddha, Suresh B" Cc: mbligh@google.com, nickpiggin@yahoo.com.au, akpm@osdl.org, menage@google.com, Simon.Derr@bull.net, linux-kernel@vger.kernel.org, dino@in.ibm.com, rohitseth@google.com, holt@sgi.com, dipankar@in.ibm.com, clameter@sgi.com Subject: Re: [RFC] cpuset: remove sched domain hooks from cpusets Message-Id: <20061022225456.6adfd0be.pj@sgi.com> In-Reply-To: <20061022222652.B2526@unix-os.sc.intel.com> References: <20061019092358.17547.51425.sendpatchset@sam.engr.sgi.com> <4537527B.5050401@yahoo.com.au> <20061019120358.6d302ae9.pj@sgi.com> <4537D056.9080108@yahoo.com.au> <4537D6E8.8020501@google.com> <20061022035135.2c450147.pj@sgi.com> <20061022222652.B2526@unix-os.sc.intel.com> Organization: SGI X-Mailer: Sylpheed version 2.2.4 (GTK+ 2.8.3; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 817 Lines: 20 Suresh wrote: > group of pinned tasks can completely skew the system load balancing.. Ah - yes. That was a problem. If the load balancer couldn't offload tasks from one or two of the most loaded CPUs (perhaps because they were pinned.) it tended to give up. I believe that Christoph is actively working that problem. Adding him to the cc list, so he can explain the state of this work more accurately. -- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson 1.925.600.0401 - 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/