From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263098AbVG3SNm (ORCPT ); Sat, 30 Jul 2005 14:13:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263097AbVG3SNl (ORCPT ); Sat, 30 Jul 2005 14:13:41 -0400 Received: from fsmlabs.com ([168.103.115.128]:54248 "EHLO fsmlabs.com") by vger.kernel.org with ESMTP id S263095AbVG3SM3 (ORCPT ); Sat, 30 Jul 2005 14:12:29 -0400 Date: Sat, 30 Jul 2005 12:18:01 -0600 (MDT) From: Zwane Mwaikambo To: Lee Revell cc: Marc Ballarin , linux-kernel@vger.kernel.org Subject: Re: Power consumption HZ100, HZ250, HZ1000: new numbers In-Reply-To: <1122746718.14769.4.camel@mindpipe> Message-ID: References: <20050730004924.087a7630.Ballarin.Marc@gmx.de> <1122678943.9381.44.camel@mindpipe> <20050730120645.77a33a34.Ballarin.Marc@gmx.de> <1122746718.14769.4.camel@mindpipe> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 30 Jul 2005, Lee Revell wrote: > So it looks like artsd wastes way more power DMAing a bunch of silent > pages to the sound card than HZ=1000. > > There's nothing the ALSA layer can do about this, it's a KDE bug. > > I think this is a good argument for leaving HZ at 1000 until some of > these userspace bugs are fixed. It's already 'fixed' just set artsd to release the sound device after some idle time. It's in the "Auto-Suspend" seection of the KDE sound system control module.