From owner-freebsd-mobile@FreeBSD.ORG Tue Aug 17 06:12:08 2004 Return-Path: Delivered-To: freebsd-mobile@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 957C516A4CE for ; Tue, 17 Aug 2004 06:12:08 +0000 (GMT) Received: from mail.gmx.net (mail.gmx.net [213.165.64.20]) by mx1.FreeBSD.org (Postfix) with SMTP id B1FCB43D53 for ; Tue, 17 Aug 2004 06:12:07 +0000 (GMT) (envelope-from sebastian.ssmoller@gmx.net) Received: (qmail 15610 invoked by uid 65534); 17 Aug 2004 06:12:06 -0000 Received: from pD9E83B16.dip.t-dialin.net (HELO tyrael.linnet) (217.232.59.22) by mail.gmx.net (mp013) with SMTP; 17 Aug 2004 08:12:06 +0200 X-Authenticated: #15005775 Date: Tue, 17 Aug 2004 08:14:34 +0200 From: sebastian ssmoller To: freebsd-mobile@freebsd.org Message-Id: <20040817081434.4a891341.sebastian.ssmoller@gmx.net> In-Reply-To: <6.1.0.6.1.20040816074348.03f99338@popserver.sfu.ca> References: <6.1.0.6.1.20040816074348.03f99338@popserver.sfu.ca> X-Mailer: Sylpheed version 0.9.9-gtk2-20040229 (GTK+ 2.4.1; i386-portbld-freebsd5.2.1) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: Enhanced SpeedStep driver available X-BeenThere: freebsd-mobile@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Mobile computing with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Aug 2004 06:12:08 -0000 hi, works fine here (asus m2400n). i played around a bit with est.ko and estctrl and it looks really promising ... great work - thx so there is no need to use hw.acpi.cpu.throttle_state anylonger - at least for Pentium M - right? regards, seb On Mon, 16 Aug 2004 08:06:30 -0700 Colin Percival wrote: > Thanks to everyone who has been sending me data about their > processors (and in particular, the 90nm versions), I now have > a first draft of a Enhanced SpeedStep driver available. For > people with the appropriate processors (Pentium M only), this > makes it possible to adjust the cpu frequency via a new sysctl > (hw.est_curfreq), and have the cpu voltage adjusted at the > same time. > I've also put together a very simple control daemon which > reads kern.cp_time every second and adjusts the cpu frequency > based on the fraction of cpu time which is idle. This increases > my laptop's battery life by around 40%. > All the code is online at > http://www.daemonology.net/freebsd-est/ > Assuming I don't hear any major bug reports in the next few > days, I'll package these into ports and hopefully get them into > the ports tree in time for 5.3-RELEASE. > > Colin Percival > > _______________________________________________ > freebsd-mobile@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-mobile > To unsubscribe, send any mail to > "freebsd-mobile-unsubscribe@freebsd.org" > -- "Perfection is achieved, not when there is nothing left to add, but when there is nothing left to take away." --- Antoine de St. Exupery, Wind, Sand, and Stars, 1939