From owner-freebsd-performance@FreeBSD.ORG Tue Sep 27 01:48:24 2005 Return-Path: X-Original-To: freebsd-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 77FB316A41F for ; Tue, 27 Sep 2005 01:48:24 +0000 (GMT) (envelope-from tom.hurst@clara.net) Received: from spork.qfe3.net (spork.qfe3.net [212.13.207.101]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0DDE543D49 for ; Tue, 27 Sep 2005 01:48:23 +0000 (GMT) (envelope-from tom.hurst@clara.net) Received: from [81.104.55.176] (helo=voi.aagh.net) by spork.qfe3.net with esmtp (Exim 4.52 (FreeBSD)) id 1EK4Zy-000Mrr-5i; Tue, 27 Sep 2005 02:48:22 +0100 Received: from freaky by voi.aagh.net with local (Exim 4.52 (FreeBSD)) id 1EK4Zx-000PWo-Kj; Tue, 27 Sep 2005 02:48:21 +0100 Date: Tue, 27 Sep 2005 02:48:21 +0100 From: Thomas Hurst To: martinko Message-ID: <20050927014821.GA96389@voi.aagh.net> Mail-Followup-To: martinko , freebsd-performance@freebsd.org References: <20050922214709.Q50836@zoraida.natserv.net> <84dead7205092219023228cdf5@mail.gmail.com> <20050923080435.J58927@zoraida.natserv.net> <20050923122011.GV33413@yahoo-inc.com> <4337A277.4060200@pobox.sk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4337A277.4060200@pobox.sk> Organization: Not much. User-Agent: Mutt/1.5.11 Sender: Thomas Hurst X-RBL-Warning: 81.104.55.176 is in RBL blacklist at dnsbl.sorbs.net Cc: freebsd-performance@freebsd.org Subject: Re: Finding what's causing I/O 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, 27 Sep 2005 01:48:24 -0000 * martinko (martinkov@pobox.sk) wrote: > well, thanks for the switch. i couldn't find any > description/explanation of/on the columns (VCSW,..) in top(1) man > page, though. :( VCSW = Voluntary Context Switch IVCSW = Involuntary Context Switch A very nice article on the meaning of these is here: http://www.informit.com/articles/article.asp?p=366888&seqNum=3&rl=1 -- Thomas 'Freaky' Hurst http://hur.st/