Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932696AbWBYMx2 (ORCPT ); Sat, 25 Feb 2006 07:53:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932700AbWBYMx2 (ORCPT ); Sat, 25 Feb 2006 07:53:28 -0500 Received: from mailout.stusta.mhn.de ([141.84.69.5]:25349 "HELO mailout.stusta.mhn.de") by vger.kernel.org with SMTP id S932696AbWBYMx1 (ORCPT ); Sat, 25 Feb 2006 07:53:27 -0500 Date: Sat, 25 Feb 2006 13:53:26 +0100 From: Adrian Bunk To: Andi Kleen Cc: Johannes Stezenbach , Dave Jones , Dmitry Torokhov , davej@codemonkey.org.uk, Zwane Mwaikambo , Samuel Masham , Jan Engelhardt , linux-kernel@vger.kernel.org, Andrew Morton , cpufreq@lists.linux.org.uk Subject: Re: Status of X86_P4_CLOCKMOD? Message-ID: <20060225125326.GJ3674@stusta.de> References: <20060214152218.GI10701@stusta.de> <20060223204110.GE6213@redhat.com> <20060225015722.GC8132@linuxtv.org> <200602250527.03493.ak@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200602250527.03493.ak@suse.de> User-Agent: Mutt/1.5.11+cvs20060126 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1421 Lines: 39 On Sat, Feb 25, 2006 at 05:27:01AM +0100, Andi Kleen wrote: > On Saturday 25 February 2006 02:57, Johannes Stezenbach wrote: > > On Thu, Feb 23, 2006, Dave Jones wrote: > > > On Thu, Feb 23, 2006 at 08:59:37PM +0100, Adrian Bunk wrote: > > > > And if the option is mostly useless, what is it good for? > > > > > > It's sometimes useful in cases where the target CPU doesn't have any better > > > option (Speedstep/Powernow). The big misconception is that it > > > somehow saves power & increases battery life. Not so. > > > All it does is 'not do work so often'. The upside of this is > > > that in some situations, we generate less heat this way. > > > > Doesn't less heat imply less power consumption? > > Not in this case no. >... Sorry for the dumb question, but how could this work physically? If a computer produces less heat with the same power consumption, what happens with the other energy? > -Andi cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed - 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/