From owner-freebsd-questions@FreeBSD.ORG Mon Jan 21 08:49:48 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 EC9FF16A41A for ; Mon, 21 Jan 2008 08:49:48 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl [IPv6:2001:4070:101:2::1]) by mx1.freebsd.org (Postfix) with ESMTP id 3251413C47E for ; Mon, 21 Jan 2008 08:49:42 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (localhost [IPv6:::1]) by wojtek.tensor.gdynia.pl (8.13.8/8.13.8) with ESMTP id m0L8jZ6h001781; Mon, 21 Jan 2008 09:45:35 +0100 (CET) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from localhost (wojtek@localhost) by wojtek.tensor.gdynia.pl (8.13.8/8.13.8/Submit) with ESMTP id m0L8jQiG001778; Mon, 21 Jan 2008 09:45:33 +0100 (CET) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Date: Mon, 21 Jan 2008 09:45:26 +0100 (CET) From: Wojciech Puchar To: Andreas Davour In-Reply-To: Message-ID: <20080121094451.N1777@wojtek.tensor.gdynia.pl> References: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-questions@freebsd.org Subject: Re: Throttle the CPU when the system is idle 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: Mon, 21 Jan 2008 08:49:49 -0000 > > I have toyed a bit with the dev.cpu.0.freq sysctl setting, and tried to lower > it automatically when the system load goes down. For some reason it don't > seem to work, even though the script works for simple debug output. > > Anyone have tried to do something similar? no but anyway - freebsd halts CPU when unused, even at full frequency it uses very little power wne unused.