Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753278Ab2HPFDp (ORCPT ); Thu, 16 Aug 2012 01:03:45 -0400 Received: from mga03.intel.com ([143.182.124.21]:3700 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752807Ab2HPFDo (ORCPT ); Thu, 16 Aug 2012 01:03:44 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.77,776,1336374000"; d="scan'208";a="134841028" Message-ID: <502C7F24.6020900@intel.com> Date: Thu, 16 Aug 2012 13:03:32 +0800 From: Alex Shi User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:9.0) Gecko/20111229 Thunderbird/9.0 MIME-Version: 1.0 To: Matthew Garrett CC: Peter Zijlstra , Suresh Siddha , Arjan van de Ven , vincent.guittot@linaro.org, svaidy@linux.vnet.ibm.com, Ingo Molnar , Andrew Morton , Linus Torvalds , "linux-kernel@vger.kernel.org" Subject: Re: [discussion]sched: a rough proposal to enable power saving in scheduler References: <5028F12C.7080405@intel.com> <20120815161911.GA14534@srcf.ucam.org> In-Reply-To: <20120815161911.GA14534@srcf.ucam.org> 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: 686 Lines: 18 On 08/16/2012 12:19 AM, Matthew Garrett wrote: > On Mon, Aug 13, 2012 at 08:21:00PM +0800, Alex Shi wrote: > >> power aware scheduling), this proposal will adopt the >> sched_balance_policy concept and use 2 kind of policy: performance, power. > > Are there workloads in which "power" might provide more performance than > "performance"? If so, don't use these terms. > Power scheme should no chance has better performance in design. -- 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/