From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261976AbVASXe7 (ORCPT ); Wed, 19 Jan 2005 18:34:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261979AbVASXdw (ORCPT ); Wed, 19 Jan 2005 18:33:52 -0500 Received: from ylpvm43-ext.prodigy.net ([207.115.57.74]:55688 "EHLO ylpvm43.prodigy.net") by vger.kernel.org with ESMTP id S261976AbVASXc2 (ORCPT ); Wed, 19 Jan 2005 18:32:28 -0500 Date: Wed, 19 Jan 2005 15:32:14 -0800 From: Tony Lindgren To: George Anzinger Cc: Pavel Machek , kernel list Subject: Re: VST patches ported to 2.6.11-rc1 Message-ID: <20050119233214.GA9975@atomide.com> References: <20050113132641.GA4380@elf.ucw.cz> <20050114001118.GA1367@elf.ucw.cz> <41E71A78.8050507@mvista.com> <41EEE9E4.4070105@mvista.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <41EEE9E4.4070105@mvista.com> User-Agent: Mutt/1.5.6i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * George Anzinger [050119 15:21]: > George Anzinger wrote: > >Pavel Machek wrote: > > > >>Hi! > >> > >> > >>>I really hate sf download system... Here are those patches (only > >>>common+i386) ported to 2.6.11-rc1. > >> > >> > >> > >>Good news is it booted. But I could not measure any powersavings by > >>turning it on. (I could measure difference between HZ=100 and > >>HZ=1000). > >> > >>Hmm, it does not want to do anything. threshold used to be 1000, does > >>it mean that it would not use vst unless there was one second of quiet > >>state? I tried to lower it to 10 ("get me HZ=100 power consumption") > >>but it does not seem to be used, anyway: > > I wonder if the problem is that we are not disabling the PIT interrupt. I > have a PIII SMP system so the interrupt path may be different and the code > to stop interrupts may be wrong. The normal system does not admit to > stopping the time base so it is possible that this is wrong. That could make a difference as hlt and ACPI C2/C3 will wake to PIT interrupt AFAIK. Tony