From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262081AbTLPUhQ (ORCPT ); Tue, 16 Dec 2003 15:37:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262104AbTLPUhQ (ORCPT ); Tue, 16 Dec 2003 15:37:16 -0500 Received: from mtaw6.prodigy.net ([64.164.98.56]:38864 "EHLO mtaw6.prodigy.net") by vger.kernel.org with ESMTP id S262081AbTLPUhP (ORCPT ); Tue, 16 Dec 2003 15:37:15 -0500 Date: Tue, 16 Dec 2003 12:37:09 -0800 From: Mike Fedyk To: Jean-Luc Fontaine Cc: linux-kernel@vger.kernel.org Subject: Re: /proc/partitions statistics question Message-ID: <20031216203709.GB1402@matchmail.com> Mail-Followup-To: Jean-Luc Fontaine , linux-kernel@vger.kernel.org References: <3FDF5E6A.7010201@free.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3FDF5E6A.7010201@free.fr> User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Dec 16, 2003 at 08:35:06PM +0100, Jean-Luc Fontaine wrote: > (24566 - 7925) = 16641 were written, whereas > (23567 - 7152) = 16415 were read > I would have expected something near 1048576 (kilobytes), > but the results seem to be roughly 64 times less... > > I would really appreciate an explanation, as I use those statistics > in a monitoring program and for filesystems performance tests. > > Many thanks for your help! > check out the man page for iostat in the sar/sysstat package. It documents what is happening here. This is in blocks, and there is merging to consider and etc... > -- > Jean-Luc Fontaine mailto:jfontain@free.fr http://jfontain.free.fr/ > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >