From owner-freebsd-hackers@FreeBSD.ORG Mon Nov 22 15:22:58 2004 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id EEEBA16A4D2 for ; Mon, 22 Nov 2004 15:22:58 +0000 (GMT) Received: from smtp.hispeed.ch (mxout.hispeed.ch [62.2.95.247]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3A44F43D68 for ; Mon, 22 Nov 2004 15:22:58 +0000 (GMT) (envelope-from hampi@rootshell.be) Received: from gicco.homeip.net (217-162-157-43.dclient.hispeed.ch [217.162.157.43])iAMFMuhZ019862 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO) for ; Mon, 22 Nov 2004 16:22:57 +0100 Received: from goofy.here (localhost.here [127.0.0.1]) by gicco.homeip.net (8.13.1/8.13.1) with ESMTP id iAMFMuXm001273 for ; Mon, 22 Nov 2004 16:22:56 +0100 (CET) (envelope-from hampi@rootshell.be) Received: (from idefix@localhost) by goofy.here (8.13.1/8.13.1/Submit) id iAMFMsWm001272 for freebsd-hackers@freebsd.org; Mon, 22 Nov 2004 16:22:54 +0100 (CET) (envelope-from hampi@rootshell.be) X-Authentication-Warning: goofy.here: idefix set sender to hampi@rootshell.be using -f Date: Mon, 22 Nov 2004 16:22:54 +0100 From: Hanspeter Roth To: freebsd-hackers@freebsd.org Message-ID: <20041122152254.GA1229@gicco.homeip.net> Mail-Followup-To: freebsd-hackers@freebsd.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2.1i Subject: Tracing Disk Access X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: freebsd-hackers@freebsd.org List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Nov 2004 15:22:59 -0000 Hello, I have set an idle timeout for the hard-disk. But when there is no user activity there are frequent disk accesses. How can one trace disk access? I'd like to know the kind of access and on which files/directories/ nodes. I'd like to log on the console or on a memory disk file. -Hanspeter