From owner-freebsd-performance@FreeBSD.ORG Tue May 6 05:59:38 2003 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id EAD2E37B401 for ; Tue, 6 May 2003 05:59:38 -0700 (PDT) Received: from otter3.centtech.com (moat3.centtech.com [207.200.51.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id 48AD943FD7 for ; Tue, 6 May 2003 05:59:38 -0700 (PDT) (envelope-from anderson@centtech.com) Received: from centtech.com (electron.centtech.com [204.177.173.173]) by otter3.centtech.com (8.12.3/8.12.3) with ESMTP id h46CxZ56092873; Tue, 6 May 2003 07:59:35 -0500 (CDT) (envelope-from anderson@centtech.com) Message-ID: <3EB7B1A4.9090500@centtech.com> Date: Tue, 06 May 2003 07:59:16 -0500 From: Eric Anderson User-Agent: Mozilla/5.0 (X11; U; Linux i386; en-US; rv:1.0.1) Gecko/20020823 Netscape/7.0 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Sean Chittenden References: <001901c3137b$cc8d66f0$044ec7c8@AJMNOTEBOOK> <20030506065837.GT94932@perrin.int.nxad.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: freebsd-performance cc: Alan Jorge Markus Subject: Re: FReebsd 5.0 network performance problem X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 May 2003 12:59:39 -0000 Sean Chittenden wrote: [..snip..] > Don't use 5.0 for production. If you are going to put anything in > production, use a _very_ recent -CURRENT. Even then, 5.0 isn't as > fast as the -STABLE series at the moment because it's still in an > awkward transition between locking via giant and fine grain locking. > If you'd like to help figure out performance problems for -CURRENT > however, have you tried running any kernel profiling to see where the > kernel is spending it's cycles? -sc What's the appropraite way to run kernel profiling, and how do you read/pull out the results? Eric -- ------------------------------------------------------------------ Eric Anderson Systems Administrator Centaur Technology Attitudes are contagious, is yours worth catching? ------------------------------------------------------------------