From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030624AbWFVQVn (ORCPT ); Thu, 22 Jun 2006 12:21:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030640AbWFVQVn (ORCPT ); Thu, 22 Jun 2006 12:21:43 -0400 Received: from dtp.xs4all.nl ([80.126.206.180]:65462 "HELO abra2.bitwizard.nl") by vger.kernel.org with SMTP id S1030624AbWFVQVm (ORCPT ); Thu, 22 Jun 2006 12:21:42 -0400 Date: Thu, 22 Jun 2006 18:21:41 +0200 From: Erik Mouw To: Danial Thom Cc: linux-kernel@vger.kernel.org Subject: Re: Measuring tools - top and interrupts Message-ID: <20060622162141.GC14682@harddisk-recovery.com> References: <20060622152621.92347.qmail@web33301.mail.mud.yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=unknown-8bit Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20060622152621.92347.qmail@web33301.mail.mud.yahoo.com> Organization: Harddisk-recovery.com User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 22, 2006 at 08:26:21AM -0700, Danial Thom wrote: > Running 2.6.17, it seems that top is reporting > 100% idle with a network load of about 75K pps > (bridged) , which seems unlikely. Is it possible > that system load accounting is turned off by some > tunning knob? 75K packets/s isn't too hard for modern NICs, especially when using NAPI. > Is there something that shows the current > interrupts/second in LINUX (such as systat in > 'BSD)? "vmstat 1£ has the number of interrupts in the "in" column. Erik -- +-- Erik Mouw -- www.harddisk-recovery.com -- +31 70 370 12 90 -- | Lab address: Delftechpark 26, 2628 XH, Delft, The Netherlands