From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 28 Jan 2001 21:03:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 28 Jan 2001 21:03:50 -0500 Received: from ns.virtualhost.dk ([195.184.98.160]:62220 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id ; Sun, 28 Jan 2001 21:03:31 -0500 Date: Mon, 29 Jan 2001 03:02:52 +0100 From: Jens Axboe To: Tony.Young@ir.com Cc: slug@slug.org.au, csa@oss.sgi.com, linux-kernel@vger.kernel.org Subject: Re: Linux Disk Performance/File IO per process Message-ID: <20010129030252.I12772@suse.de> In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: ; from Tony.Young@ir.com on Mon, Jan 29, 2001 at 12:54:00PM +1100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jan 29 2001, Tony.Young@ir.com wrote: > All, > > I work for a company that develops a systems and performance management > product for Unix (as well as PC and TANDEM) called PROGNOSIS. Currently we > support AIX, HP, Solaris, UnixWare, IRIX, and Linux. > > I've hit a bit of a wall trying to expand the data provided by our Linux > solution - I can't seem to find anywhere that provides the metrics needed to > calculate disk busy in the kernel! This is a major piece of information that > any mission critical system administrator needs to successfully monitor > their systems. The stock kernel doesn't provide either, but at least with Stephen's sard patches you can get system wide I/O metrics. ftp.linux.org.uk/pub/linux/sct/fs/profiling -- Jens Axboe - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/