From owner-freebsd-questions@FreeBSD.ORG Sun Jun 29 21:11:44 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 358261065678 for ; Sun, 29 Jun 2008 21:11:44 +0000 (UTC) (envelope-from patfbsd@davenulle.org) Received: from smtp.lamaiziere.net (net.lamaiziere.net [213.186.42.107]) by mx1.freebsd.org (Postfix) with ESMTP id EBABC8FC0A for ; Sun, 29 Jun 2008 21:11:43 +0000 (UTC) (envelope-from patfbsd@davenulle.org) Received: from baby-jane.lamaiziere.net (27.6.192-77.rev.gaoland.net [77.192.6.27]) by smtp.lamaiziere.net (Postfix) with ESMTP id 9A8C911805A9 for ; Sun, 29 Jun 2008 23:11:41 +0200 (CEST) Received: from baby-jane-lamaiziere-net.local (localhost [127.0.0.1]) by baby-jane.lamaiziere.net (Postfix) with ESMTP id 5A84E552F3C for ; Sun, 29 Jun 2008 23:11:37 +0200 (CEST) Date: Sun, 29 Jun 2008 23:11:35 +0200 From: Patrick =?ISO-8859-15?Q?Lamaizi=E8re?= To: freebsd-questions@freebsd.org Message-ID: <20080629231135.7124a77e@baby-jane-lamaiziere-net.local> In-Reply-To: <48677529.8030300@gmail.com> References: <48677529.8030300@gmail.com> Organization: /dave/nulle X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.9; i386-apple-darwin9.3.0) Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 8bit Subject: Re: debug.cpufreq.lowest doesn't work? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 29 Jun 2008 21:11:44 -0000 Le Sun, 29 Jun 2008 12:42:33 +0100, Kemian Dang a écrit : > Hi all, Hi, > I set "sysctl debug.cpufreq.lowest=800" but sysctl -a still told me > that the CPU freq is at 300, though it will jump high if I am doing > some heavy work. > This reduce of performance makes me even have trouble on browsing > website. Did I miss something important? Just to be sure... This sysctl prevents cpufreq to decrease the frequency but if the frequency is lower than the sysctl, the frequency is not increased. Regards.