From owner-freebsd-questions@FreeBSD.ORG Sun May 24 18:23:03 2009 Return-Path: Delivered-To: freebsd-questions@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9CBBA1065676 for ; Sun, 24 May 2009 18:23:03 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl [IPv6:2001:4070:101:2::1]) by mx1.freebsd.org (Postfix) with ESMTP id 8EB5B8FC0A for ; Sun, 24 May 2009 18:23:02 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (localhost [IPv6:::1]) by wojtek.tensor.gdynia.pl (8.14.3/8.14.3) with ESMTP id n4OIMfJ7033064; Sun, 24 May 2009 20:22:41 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from localhost (wojtek@localhost) by wojtek.tensor.gdynia.pl (8.14.3/8.14.3/Submit) with ESMTP id n4OIMcZJ033061; Sun, 24 May 2009 20:22:38 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Date: Sun, 24 May 2009 20:22:37 +0200 (CEST) From: Wojciech Puchar To: Scott Bennett In-Reply-To: <200905241315.n4ODFB96007801@mp.cs.niu.edu> Message-ID: References: <200905241315.n4ODFB96007801@mp.cs.niu.edu> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: Yuri , freebsd-questions@FreeBSD.org Subject: Re: How can this 'top' command output make sense? Load over 7 and total CPU use ~5% X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 24 May 2009 18:23:04 -0000 > From the glossary (p. 630) of _The_Design_and_Implementation_of_the > _FreeBSD_Operating_System_ by McKusick and Neville-Neil: > > load average A measure of CPU load on the system. The load average > in FreeBSD is an average of the number of processes ready to > run or waiting for short-term events such as disk I/O to > complete, as sampled once per second over the previous one- > minute interval of system operation. > so this glossary should be fixed because it's nonsense. first - says that it's measure of CPU load then - "or waiting for short-term events such as disk I/O" - which is NOT measure of CPU load.