From owner-freebsd-performance@FreeBSD.ORG Tue Oct 3 15:36:37 2006 Return-Path: X-Original-To: performance@freebsd.org 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 2BB4016A40F for ; Tue, 3 Oct 2006 15:36:37 +0000 (UTC) (envelope-from wmoran@collaborativefusion.com) Received: from mx00.pub.collaborativefusion.com (mx00.pub.collaborativefusion.com [206.210.89.199]) by mx1.FreeBSD.org (Postfix) with ESMTP id 501D543D45 for ; Tue, 3 Oct 2006 15:36:36 +0000 (GMT) (envelope-from wmoran@collaborativefusion.com) Received: from collaborativefusion.com (mx01.pub.collaborativefusion.com [206.210.89.201]) (TLS: TLSv1/SSLv3,256bits,AES256-SHA) by wingspan with esmtp; Tue, 03 Oct 2006 11:36:35 -0400 id 0005642B.45228383.0001739B Received: from Internal Mail-Server (206.210.89.202) by mx01 (envelope-from wmoran@collaborativefusion.com) with AES256-SHA encrypted SMTP; 3 Oct 2006 11:33:43 -0400 Date: Tue, 3 Oct 2006 11:36:35 -0400 From: Bill Moran To: Nick Evans Message-Id: <20061003113635.a0c76714.wmoran@collaborativefusion.com> In-Reply-To: <20061003112746.58ce03b3@pleiades.nextvenue.com> References: <3131aa530609290721o267d55bakff4e801ef4000675@mail.gmail.com> <451D4630.7040902@rogers.com> <451D4F07.7020108@rogers.com> <20061002102806.7addbcdf@pleiades.nextvenue.com> <4521227F.6040801@rogers.com> <20061002124241.64891173@pleiades.nextvenue.com> <20061003061949.GA65231@stud.fit.vutbr.cz> <20061003112746.58ce03b3@pleiades.nextvenue.com> Organization: Collaborative Fusion X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.20; i386-portbld-freebsd6.1) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: Mike Jakubik , Divacky Roman , performance@freebsd.org, Jan Zacharias Subject: Re: Samba Performance problem X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Oct 2006 15:36:37 -0000 In response to Nick Evans : > > I'd start with plain ktrace and look in the trace to check for 'suspicious > > things'. It might be something trivial like calling gettimeofday() way too > > often as it was with mysql.... > > Done. I can provide the tracefile if anyone is interested. Please post this somewhere and provide a URL. I'm no kernel expert, but I've had success speeding stuff up through ktraces before ... -- Bill Moran Collaborative Fusion Inc.