Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754731AbYGHNxH (ORCPT ); Tue, 8 Jul 2008 09:53:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752276AbYGHNw4 (ORCPT ); Tue, 8 Jul 2008 09:52:56 -0400 Received: from casper.infradead.org ([85.118.1.10]:33869 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751380AbYGHNwz (ORCPT ); Tue, 8 Jul 2008 09:52:55 -0400 Date: Tue, 8 Jul 2008 06:52:51 -0700 From: Arjan van de Ven To: Pavel Machek Cc: Vegard Nossum , Ingo Molnar , Peter Zijlstra , Linux Kernel Mailing List Subject: Re: v2.6.26-rc7: Negative powertop values Message-ID: <20080708065251.1d7d681f@linux.intel.com> In-Reply-To: <20080706194845.GA5617@ucw.cz> References: <19f34abd0806211216y4695c532ndb4935082bd8ea1@mail.gmail.com> <20080621141615.51f7100c@linux.intel.com> <20080706194845.GA5617@ucw.cz> Organization: Intel X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 801 Lines: 22 On Sun, 6 Jul 2008 21:48:45 +0200 Pavel Machek wrote: > > > > [I assume you know that doing a software unplug you burn more power > > than by leaving the cpu idle] > > We should really fix that one day... yeah but it's incredibly hard to get right (in the light of the bios constantly changing what our allowed C-states are)... and the best case is equal to just being idle. -- If you want to reach me at my work email, use arjan@linux.intel.com For development, discussion and tips for power savings, visit http://www.lesswatts.org -- 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/