From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 24 Aug 2001 11:51:03 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 24 Aug 2001 11:50:42 -0400 Received: from eventhorizon.antefacto.net ([193.120.245.3]:35279 "EHLO eventhorizon.antefacto.net") by vger.kernel.org with ESMTP id ; Fri, 24 Aug 2001 11:50:39 -0400 Message-ID: <3B86771E.3050207@AnteFacto.com> Date: Fri, 24 Aug 2001 16:47:42 +0100 From: Padraig Brady User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.3) Gecko/20010801 X-Accept-Language: en-us MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: [OT] CPU temperature control Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, I'm using a C3 700MHz CPU underclocked to 466MHz (66MHz FSB), and @ full load I'm getting the CPU to 63°C in a fanless 1U case. What I would like is to throttle the CPU back X% if the temperature exceeds say 50% which I can easily read using lm sensors. So, what's the best way to do this? user space / kernel space?? Note the C3 has a suspend on halt (instruction) option which will help things also. cheers, Padraig.