From owner-freebsd-current@FreeBSD.ORG Thu May 20 19:24:27 2004 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 5F95916A4CE for ; Thu, 20 May 2004 19:24:27 -0700 (PDT) Received: from cmsrelay01.mx.net (cmsrelay01.mx.net [165.212.11.110]) by mx1.FreeBSD.org (Postfix) with SMTP id 0104543D46 for ; Thu, 20 May 2004 19:24:27 -0700 (PDT) (envelope-from noackjr@alumni.rice.edu) Received: from uadvg137.cms.usa.net (165.212.11.137) by cmsoutbound.mx.net with SMTP; 21 May 2004 02:24:25 -0000 Received: from optimator.noacks.org [70.240.201.34] by uadvg137.cms.usa.net (ASMTP/noackjr@usa.net) via mtad (C8.MAIN.3.13N) with ESMTP id 177ieucyw0228M37; Fri, 21 May 2004 02:24:22 GMT X-USANET-Auth: 70.240.201.34 AUTH noackjr@usa.net optimator.noacks.org Received: from localhost (localhost [127.0.0.1]) by optimator.noacks.org (Postfix) with ESMTP id 9C149616E; Thu, 20 May 2004 21:24:21 -0500 (CDT) Received: from optimator.noacks.org ([127.0.0.1]) by localhost (optimator.noacks.org [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 65883-01; Thu, 20 May 2004 21:24:20 -0500 (CDT) Received: from compgeek.noacks.org (compgeek [192.168.1.10]) by optimator.noacks.org (Postfix) with ESMTP id 66B60616D; Thu, 20 May 2004 21:24:20 -0500 (CDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) by compgeek.noacks.org (8.12.11/8.12.11) with ESMTP id i4L2OD7Z011173; Thu, 20 May 2004 21:24:19 -0500 (CDT) (envelope-from noackjr@alumni.rice.edu) Message-ID: <40AD684D.9020200@alumni.rice.edu> Date: Thu, 20 May 2004 21:24:13 -0500 From: Jon Noack User-Agent: Mozilla Thunderbird 0.6 (X11/20040518) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Mikhail Teterin References: <200405200334.i4K3YlGU027751@corbulon.video-collage.com> In-Reply-To: <200405200334.i4K3YlGU027751@corbulon.video-collage.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: by amavisd-new at noacks.org cc: current@FreeBSD.org Subject: Re: a scheduling question X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: noackjr@alumni.rice.edu List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 21 May 2004 02:24:27 -0000 On 05/19/04 22:34, Mikhail Teterin wrote: > Here is a top's snapshot from a dual CPU machine. Two lame encoders > compete for the first CPU, while the total idle time is 35.6%. Why is > that? Because they are nice? Is niceness really supposed to allow for > wasted CPU? Thanks! I noticed the cdparanoi[a] processes. What is/are the exact command(s) you are doing? If you are encoding on-the-fly, are you sure the lame processes are not being limited by the ripping rate? It would be best if you could come up with a test case for us to see if we can reproduce your problem. Jon Noack