From owner-freebsd-stable@FreeBSD.ORG Fri Dec 2 18:29:41 2005 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 931B116A41F for ; Fri, 2 Dec 2005 18:29:41 +0000 (GMT) (envelope-from joao@matik.com.br) Received: from msrv.matik.com.br (msrv.matik.com.br [200.152.83.14]) by mx1.FreeBSD.org (Postfix) with ESMTP id AD44043D79 for ; Fri, 2 Dec 2005 18:29:30 +0000 (GMT) (envelope-from joao@matik.com.br) Received: from anb (anb.matik.com.br [200.152.83.34]) by msrv.matik.com.br (8.13.4/8.13.1) with ESMTP id jB2ITUMB024434 for ; Fri, 2 Dec 2005 16:29:31 -0200 (BRST) (envelope-from joao@matik.com.br) From: JoaoBR Organization: Infomatik To: freebsd-stable@freebsd.org Date: Fri, 2 Dec 2005 16:29:27 -0200 User-Agent: KMail/1.8.3 References: <20051202134913.GD24254@poupinou.org> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Message-Id: <200512021629.27930.joao@matik.com.br> X-Filter-Version: 1.11a (msrv.matik.com.br) X-Virus-Scanned: ClamAV version 0.86.2, clamav-milter version 0.86 on msrv.matik.com.br X-Virus-Status: Clean Subject: Re: cpufreq and changing driver 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: Fri, 02 Dec 2005 18:29:41 -0000 On Friday 02 December 2005 12:04, Marco Calviani wrote: > > Well, i've tried decreasing the polling interval, but there is an > increased powerd cpu load: at 100ms polling interval the cpu load is > to an astonishing 20% circa, which i think it's too much for a normal > use. The sampling rate with ondemand governor in linux kernel is 10ms > but cpufreqd is at 0.6% on average cpu load. > could you please tell what you are aspecting from higher rates? I am not su= re=20 if the cicles spend for polling are not using more power than an probably=20 already idle processor and fan. Jo=E3o A mensagem foi scaneada pelo sistema de e-mail e pode ser considerada segura. Service fornecido pelo Datacenter Matik https://datacenter.matik.com.br