From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262053AbVG2CBT (ORCPT ); Thu, 28 Jul 2005 22:01:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262040AbVG2CBT (ORCPT ); Thu, 28 Jul 2005 22:01:19 -0400 Received: from smtp206.mail.sc5.yahoo.com ([216.136.129.96]:26525 "HELO smtp206.mail.sc5.yahoo.com") by vger.kernel.org with SMTP id S262010AbVG2CBR (ORCPT ); Thu, 28 Jul 2005 22:01:17 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com.au; h=Received:Message-ID:Date:From:User-Agent:X-Accept-Language:MIME-Version:To:CC:Subject:References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=tcSPjvrSrAdd7ydi1Fwxa6qRwkXzxoiKp2AssHGah79hAXW9pOLMAvuP0BUwrzvKZYtlM+Hpg7qbPAu6JVbfV0gwMTkKHlLgEe78+dwHxQZaU1TnThmz7gXvLBmdNRw/o/s2CagtjBnHRqnmVQpF0mMYqsihb6QrG4BzHUdzXxc= ; Message-ID: <42E98DEA.9090606@yahoo.com.au> Date: Fri, 29 Jul 2005 12:01:14 +1000 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.8) Gecko/20050513 Debian/1.7.8-1 X-Accept-Language: en MIME-Version: 1.0 To: "Chen, Kenneth W" CC: Ingo Molnar , linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org Subject: Re: Delete scheduler SD_WAKE_AFFINE and SD_WAKE_BALANCE flags References: <200507290153.j6T1rYg03861@unix-os.sc.intel.com> In-Reply-To: <200507290153.j6T1rYg03861@unix-os.sc.intel.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Chen, Kenneth W wrote: >Nick Piggin wrote on Thursday, July 28, 2005 6:46 PM > >>I'd like to try making them less aggressive first if possible. >> > >Well, that's exactly what I'm trying to do: make them not aggressive >at all by not performing any load balance :-) The workload gets maximum >benefit with zero aggressiveness. > > Unfortunately we can't forget about other workloads, and we're trying to stay away from runtime tunables in the scheduler. If we can get performance to within a couple of tenths of a percent of the zero balancing case, then that would be preferable I think. Send instant messages to your online friends http://au.messenger.yahoo.com