From owner-freebsd-stable@FreeBSD.ORG Thu Jan 12 11:40:16 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 63A9416A41F for ; Thu, 12 Jan 2006 11:40:16 +0000 (GMT) (envelope-from m.seaman@infracaninophile.co.uk) Received: from smtp.infracaninophile.co.uk (imap.infracaninophile.co.uk [81.187.76.162]) by mx1.FreeBSD.org (Postfix) with ESMTP id A15FA43D48 for ; Thu, 12 Jan 2006 11:40:14 +0000 (GMT) (envelope-from m.seaman@infracaninophile.co.uk) Received: from [IPv6:::1] (localhost [IPv6:::1]) by smtp.infracaninophile.co.uk (8.13.4/8.13.4) with ESMTP id k0CBdxZH013698; Thu, 12 Jan 2006 11:39:59 GMT (envelope-from m.seaman@infracaninophile.co.uk) Message-ID: <43C6400E.2030203@infracaninophile.co.uk> Date: Thu, 12 Jan 2006 11:39:58 +0000 From: Matthew Seaman Organization: Infracaninophile User-Agent: Mozilla Thunderbird 1.0.7 (X11/20051221) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Mike Jakubik References: <43C5A261.1020407@rogers.com> <200601121554.55657.doconnor@gsoft.com.au> <43C5EAB0.3090805@rogers.com> <200601121635.09835.doconnor@gsoft.com.au> <43C5F328.4030507@rogers.com> In-Reply-To: <43C5F328.4030507@rogers.com> X-Enigmail-Version: 0.93.0.0 Content-Type: multipart/signed; micalg=pgp-ripemd160; protocol="application/pgp-signature"; boundary="------------enigF58AFB187156D7C4ADE27330" X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.0.2 (smtp.infracaninophile.co.uk [IPv6:::1]); Thu, 12 Jan 2006 11:40:02 +0000 (GMT) X-Virus-Scanned: ClamAV 0.87.1/1238/Wed Jan 11 10:19:06 2006 on happy-idiot-talk.infracaninophile.co.uk X-Virus-Status: Clean X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,NO_RELAYS autolearn=ham version=3.1.0 X-Spam-Checker-Version: SpamAssassin 3.1.0 (2005-09-13) on happy-idiot-talk.infracaninophile.co.uk Cc: freebsd-stable@freebsd.org Subject: Re: powerd effectiveness X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Jan 2006 11:40:16 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigF58AFB187156D7C4ADE27330 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Mike Jakubik wrote: > Daniel O'Connor wrote: > >> Wow, that's weird, wish my AMD would do speeds like that :) >> >> As for your temperature observation - I have no idea sorry. It would >> appear that powerd is doing the right thing but for some reason your >> CPU is not benefiting. That said checking by measuring temperature is >> fraught with complexity because there is probably a significant delay >> between a change in power consumption and a corresponding chaange in >> heatsink temperature. >> > > > Actually, i took readings from the wrong box :P > > CPU: AMD Athlon(tm) Processor (1210.79-MHz 686-class CPU) > acpi0: on motherboard > > root@mail:~# sysctl dev.cpu. > dev.cpu.0.%desc: ACPI CPU > dev.cpu.0.%driver: cpu > dev.cpu.0.%location: handle=\_PR_.CPU0 > dev.cpu.0.%pnpinfo: _HID=none _UID=0 > dev.cpu.0.%parent: acpi0 > dev.cpu.0.freq: 75 > dev.cpu.0.freq_levels: 1215/-1 1139/-1 1063/-1 987/-1 911/-1 835/-1 > 759/-1 683/-1 607/-1 531/-1 455/-1 379/-1 303/-1 227/-1 151/-1 75/-1 > > Thats the correct one, it is 75mhz. I was suspecting hardwares > limitations in terms of modulating the frequency quickly enough. Just > wanted to make sure. Only vaguely apropos, but take a look at sysutils/fvcool which can help reduce the power consumption on Athlons quite effectively. Cheers, Matthew -- Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard Flat 3 PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate Kent, CT11 9PW --------------enigF58AFB187156D7C4ADE27330 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFDxkAO8Mjk52CukIwRA25YAJ9FkDgKfwkeLTs3AhqTGVIaRi2C+QCeNAtb DqupS9ywiQE3DwAvzOW6QFg= =nrrU -----END PGP SIGNATURE----- --------------enigF58AFB187156D7C4ADE27330--