From owner-freebsd-current@FreeBSD.ORG Thu Apr 21 06:38:58 2005 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 71FFB16A4CE for ; Thu, 21 Apr 2005 06:38:58 +0000 (GMT) Received: from sigma.informatik.hu-berlin.de (sigma.informatik.hu-berlin.de [141.20.20.51]) by mx1.FreeBSD.org (Postfix) with ESMTP id 99F3843D3F for ; Thu, 21 Apr 2005 06:38:57 +0000 (GMT) (envelope-from sebastian.ssmoller@gmx.net) Received: from tyrael.linnet (p54BCD478.dip.t-dialin.net [84.188.212.120]) (authenticated bits=0) (8.12.10/8.12.9/INF-2.0-MA-SOLARIS-2.8) with ESMTP id j3L6ctGR023885 for ; Thu, 21 Apr 2005 08:38:55 +0200 (MEST) Date: Thu, 21 Apr 2005 08:38:30 +0200 From: sebastian ssmoller To: freebsd-current@freebsd.org Message-Id: <20050421083830.726cf741.sebastian.ssmoller@gmx.net> In-Reply-To: References: <4263A33A.3030201@centtech.com> <2304.1113826754@critter.freebsd.dk> <20050418140117.GH2298@poupinou.org> <4263C6C5.300@centtech.com> X-Mailer: Sylpheed version 1.0.4 (GTK+ 1.2.10; i386-portbld-freebsd5.3) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: powerd(8) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Apr 2005 06:38:58 -0000 > > But in general, it looks that a main problem with original adaptive > algorithm is that it is possible to decrease an effective cpu > frequency to an incredibly small values (for mine centrino it can go > from 1.3Ghz down to 75Mhz), where even the easiest things take a lot > of time, so it is forced to increase it. It looks that just limiting > the minimal frequency by a something like 200-300 Mhz should make the > original adaptive algorithm work much better. > agree! estctrl decreased speed only down to 600MHz which worked perfectly for me ... guess even 200MHz would be a bit to slow still .. seb -- "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