Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754701Ab2HONpD (ORCPT ); Wed, 15 Aug 2012 09:45:03 -0400 Received: from mga14.intel.com ([143.182.124.37]:9486 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750781Ab2HONpC (ORCPT ); Wed, 15 Aug 2012 09:45:02 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.77,773,1336374000"; d="scan'208";a="181351952" Message-ID: <502BA7DC.7060907@linux.intel.com> Date: Wed, 15 Aug 2012 06:45:00 -0700 From: Arjan van de Ven User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:14.0) Gecko/20120713 Thunderbird/14.0 MIME-Version: 1.0 To: Peter Zijlstra CC: Alex Shi , Suresh Siddha , vincent.guittot@linaro.org, svaidy@linux.vnet.ibm.com, Ingo Molnar , Andrew Morton , Linus Torvalds , "linux-kernel@vger.kernel.org" , Thomas Gleixner , Paul Turner Subject: Re: [discussion]sched: a rough proposal to enable power saving in scheduler References: <5028F12C.7080405@intel.com> <1345028738.31459.82.camel@twins> In-Reply-To: <1345028738.31459.82.camel@twins> X-Enigmail-Version: 1.4.3 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: 676 Lines: 16 On 8/15/2012 4:05 AM, Peter Zijlstra wrote: > Yay, ideally we'd also provide a 3rd option: auto, which simply switches > between the two based on AC/BAT, UPS nooooooo! anything but this. if anyone thinks that AC/Battery matters for power sensitivity... they need to go talk to a datacenter operator ;-) seriously, there are possibly many ways to have a power/performance preference..,. but AC/battery is a very very poor one. -- 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/