From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754444AbXGGKE2 (ORCPT ); Sat, 7 Jul 2007 06:04:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752363AbXGGKET (ORCPT ); Sat, 7 Jul 2007 06:04:19 -0400 Received: from smtp01.cdmon.com ([86.109.99.230]:53263 "EHLO smtp01.cdmon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752041AbXGGKET (ORCPT ); Sat, 7 Jul 2007 06:04:19 -0400 Date: Sat, 7 Jul 2007 12:04:08 +0200 From: DervishD To: Jan Engelhardt Cc: Linux-kernel Subject: Re: Question about cpufreq governors Message-ID: <20070707100408.GA19299@DervishD> Mail-Followup-To: Jan Engelhardt , Linux-kernel References: <20070706205045.GA2778@DervishD> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.4.2.3i Organization: DervishD Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi Jan :) * Jan Engelhardt dixit: > On Jul 6 2007 22:50, DervishD wrote: > > > > What I want to know is if I can choose "ondemand" governor instead > >of the recommended for AMD64, namely the "conservative" governor, since > >I will be switching between those two frequencies. I haven't found any > >information about my CPU regarding latency when switching between > >frequencies, so I don't know if I will be gaining anything using the > >"conservative" governor. > > > > Which governor is better suited for a CPU with only two fid's, > >"ondemand" or "conservative"? > > Depends on what you want. ondemand instantly switches when there is > something/nothing to do, while conservative uses a threshold (modeled upon > latency). Yes, I know the difference, I'm afraid I didn't ask my question correctly O:). What I meant is that, since I don't know if my CPU has latency problems when switching from "slow" freq to "fast" freq, if I can use "ondemand" safely or if I must use "conservative" due to latency problems with my CPU. Thanks for your answer :) Raúl Núñez de Arenas Coronado -- Linux Registered User 88736 | http://www.dervishd.net It's my PC and I'll cry if I want to... RAmen!