From owner-freebsd-performance@FreeBSD.ORG Tue Sep 27 21:25:02 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 0AD7F16A41F for ; Tue, 27 Sep 2005 21:25:02 +0000 (GMT) (envelope-from gofp-freebsd-performance@m.gmane.org) Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id 80AE543D53 for ; Tue, 27 Sep 2005 21:25:01 +0000 (GMT) (envelope-from gofp-freebsd-performance@m.gmane.org) Received: from root by ciao.gmane.org with local (Exim 4.43) id 1EKMsp-0006Qq-Bc for freebsd-performance@freebsd.org; Tue, 27 Sep 2005 23:21:03 +0200 Received: from r5k115.chello.upc.cz ([86.49.10.115]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 27 Sep 2005 23:21:03 +0200 Received: from martinkov by r5k115.chello.upc.cz with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 27 Sep 2005 23:21:03 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-performance@freebsd.org From: martinko Date: Tue, 27 Sep 2005 23:12:35 +0200 Lines: 18 Message-ID: <4339B5C3.4050703@pobox.sk> References: <20050922214709.Q50836@zoraida.natserv.net> <84dead7205092219023228cdf5@mail.gmail.com> <20050923080435.J58927@zoraida.natserv.net> <20050923122011.GV33413@yahoo-inc.com> <4337A277.4060200@pobox.sk> <20050927014821.GA96389@voi.aagh.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@sea.gmane.org Cc: freebsd-performance@freebsd.org X-Gmane-NNTP-Posting-Host: r5k115.chello.upc.cz User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.12) Gecko/20050925 X-Accept-Language: sk, cs, en-gb, en-us, en In-Reply-To: <20050927014821.GA96389@voi.aagh.net> Sender: news 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 21:25:02 -0000 Thomas Hurst wrote: > * 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 > many thanks!