From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932626AbWG1Kiv (ORCPT ); Fri, 28 Jul 2006 06:38:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932629AbWG1Kiu (ORCPT ); Fri, 28 Jul 2006 06:38:50 -0400 Received: from py-out-1112.google.com ([64.233.166.181]:56996 "EHLO py-out-1112.google.com") by vger.kernel.org with ESMTP id S932627AbWG1Kit (ORCPT ); Fri, 28 Jul 2006 06:38:49 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=L5XmgejbrGjvlt9rqVs7A2NGtGN7wiQ7bWFj9qDBiYTtUDE5WeFOw3FBE8RPntarZm/XztemZ/2n2VEG6zjadX6ftQqanQVXh0u6yV+Fq8ABT+ZsEtvBz4o9sJ+TkKcXrJNLV5j4Mwiw7VmzK1Yj14uP4c9gEmmEyM8mpW+EThI= Message-ID: Date: Fri, 28 Jul 2006 12:38:49 +0200 From: "Miles Lane" To: "Dave Jones" , "Patrick McFarland" , "Miles Lane" , LKML Subject: Re: The ondemand CPUFreq code -- I hope the functionality stays In-Reply-To: <20060728011040.GO5687@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <200607272104.24088.diablod3@gmail.com> <20060728011040.GO5687@redhat.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 7/28/06, Dave Jones wrote: > On Thu, Jul 27, 2006 at 09:04:23PM -0400, Patrick McFarland wrote: > > > I think you've gotten confused. Ondemand is a horrible governor that only > > flips between two cpu frequencies, the lowest and the highest. > > That isn't true. I just double checked, and saw my core-duo changing > between all 4 states it offers. Yep, the ondemand governor switches between all frequencies on my Pentium 4 M laptop. It's a HP Pavillion dv1240us. > > Use the Conservative governor instead. > > This governor is based on the same code as on-demand with some subtle > tweaks to make it not change the frequency as often. If anything *this* > one should be less 'active' for you than ondemand. I have tried the other governers (albeit a while ago) and found they didn't manage power anywhere near as well as ondemand. Perhaps results vary for each governor according to CPU and chipset. Miles