Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 3 Feb 2003 11:54:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 3 Feb 2003 11:54:09 -0500 Received: from noodles.codemonkey.org.uk ([213.152.47.19]:52367 "EHLO noodles.internal") by vger.kernel.org with ESMTP id ; Mon, 3 Feb 2003 11:54:08 -0500 Date: Mon, 3 Feb 2003 17:00:07 +0000 From: Dave Jones To: Seamus Cc: linux-kernel@vger.kernel.org Subject: Re: CPU throttling?? Message-ID: <20030203170007.GA10090@codemonkey.org.uk> Mail-Followup-To: Dave Jones , Seamus , linux-kernel@vger.kernel.org References: <02ea01c2cb9b$9e90bbd0$15c809c6@PCJOERI01> <1044291313.17360.4.camel@taherias.sre.tcd.ie> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1044291313.17360.4.camel@taherias.sre.tcd.ie> User-Agent: Mutt/1.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 758 Lines: 21 On Mon, Feb 03, 2003 at 04:55:13PM +0000, Seamus wrote: > Would it be possible to throttle cpu when machine is in idle mode in > Linux? or is it purely a BIOS and motherboard functionality. > > As you know some modern laptops in order to save power, throttle cpu > (lower the cpu clock cycles per sec) when in idle mode. ACPI does this, CPUFreq does this, and if you're really lucky, there are some APM implementations that do it. Dave -- | Dave Jones. http://www.codemonkey.org.uk | SuSE Labs - 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/