From owner-freebsd-hackers@FreeBSD.ORG Thu Apr 7 13:08:16 2005 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0C1B216A4CE for ; Thu, 7 Apr 2005 13:08:15 +0000 (GMT) Received: from cain.gsoft.com.au (cain.gsoft.com.au [203.31.81.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id CFD2143D2F for ; Thu, 7 Apr 2005 13:08:14 +0000 (GMT) (envelope-from doconnor@gsoft.com.au) Received: from inchoate.gsoft.com.au (localhost [127.0.0.1]) (authenticated bits=0) by cain.gsoft.com.au (8.12.11/8.12.10) with ESMTP id j37D8Amm027057; Thu, 7 Apr 2005 22:38:11 +0930 (CST) (envelope-from doconnor@gsoft.com.au) From: "Daniel O'Connor" To: Bruno Ducrot Date: Thu, 7 Apr 2005 22:37:42 +0930 User-Agent: KMail/1.8 References: <200504041645.j34Gj2ow002999@pinky.frank-behrens.de> <200504071049.32854.doconnor@gsoft.com.au> <20050407130329.GD2298@poupinou.org> In-Reply-To: <20050407130329.GD2298@poupinou.org> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1292237.QyMm4bGN6I"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200504072238.01070.doconnor@gsoft.com.au> X-Spam-Score: -2.2 () IN_REP_TO,MIME_LONG_LINE_QP,PGP_SIGNATURE_2,QUOTED_EMAIL_TEXT,REFERENCES,SPAM_PHRASE_00_01,USER_AGENT X-Scanned-By: MIMEDefang 2.16 (www . roaringpenguin . com / mimedefang) cc: Frank Behrens cc: freebsd-hackers@freebsd.org Subject: Re: My experience with cpufreq in -STABLE X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Apr 2005 13:08:16 -0000 --nextPart1292237.QyMm4bGN6I Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Thu, 7 Apr 2005 22:33, Bruno Ducrot wrote: > On Thu, Apr 07, 2005 at 10:49:25AM +0930, Daniel O'Connor wrote: > > The algorithm used by the acpi_ppc module semed quite good to me when I > > used it (before the frequency stuff was committed). > > http://www.spa.is.uec.ac.jp/~nfukuda/software/index.html > > I saw it. I have some concern about the linear behaviour when going > up (don't mind, I'm never happy ;). We'll miss the case where > there are bursts. There were some heuristics such as the > excess_cycle trick that may help if we consider this algorithm. > (search ReducedEnergyScheduling.ps in your favorite search engine). Yes, well there is no "right" solution - it depends on what your goal is :) A few to choose from would be nice and it's a fairly easy coding task for=20 neophytes :) =2D-=20 Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C --nextPart1292237.QyMm4bGN6I Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (FreeBSD) iD8DBQBCVTCx5ZPcIHs/zowRAqYzAJ0WaZl1NR0r/5xakitW4wdj85fSrQCcCFsf 4kOAEtzXPG+PdJ9iL7ke1RY= =EJKv -----END PGP SIGNATURE----- --nextPart1292237.QyMm4bGN6I--