From owner-freebsd-net@FreeBSD.ORG Wed Dec 26 10:12:38 2007 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0591116A418 for ; Wed, 26 Dec 2007 10:12:38 +0000 (UTC) (envelope-from jordi.espasa@opengea.org) Received: from mail.opengea.org (234.pool85-48-253.static.orange.es [85.48.253.234]) by mx1.freebsd.org (Postfix) with ESMTP id AFDCA13C46E for ; Wed, 26 Dec 2007 10:12:36 +0000 (UTC) (envelope-from jordi.espasa@opengea.org) Received: from localhost (tartarus [127.0.0.1]) by mail.opengea.org (Opengea.org Project MailServer) with ESMTP id 2773FD5003E for ; Wed, 26 Dec 2007 11:13:09 +0100 (CET) X-Virus-Scanned: amavisd-new at opengea.org Received: from mail.opengea.org ([127.0.0.1]) by localhost (mail.opengea.org [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id a9HQ7SIo+j1L for ; Wed, 26 Dec 2007 11:13:09 +0100 (CET) Received: from [192.168.1.33] (191.Red-88-25-68.staticIP.rima-tde.net [88.25.68.191]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: jordi.espasa@opengea.org) by mail.opengea.org (Opengea.org Project MailServer) with ESMTP id 5E5B5D50038 for ; Wed, 26 Dec 2007 11:13:08 +0100 (CET) Message-ID: <47722927.5000106@opengea.org> Date: Wed, 26 Dec 2007 11:12:55 +0100 From: Jordi Espasa Clofent User-Agent: Thunderbird 2.0.0.6 (X11/20071022) MIME-Version: 1.0 To: freebsd-net@freebsd.org References: <4770F5BF.40100@opengea.org> <2a41acea0712260040h7ef404eby661d7eea68706209@mail.gmail.com> In-Reply-To: <2a41acea0712260040h7ef404eby661d7eea68706209@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Subject: Re: Maximum NIC interrupts X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 Dec 2007 10:12:38 -0000 OK, I'll try to explain in another way. While I've done network performance test I've monitored the IRQ rate, and, for example, it's a 7000/8000 interrupts per second in every NIC (I use 2 NICs in a bridge). The question is ¿how can I know if this irq rate is too high or not? ¿how can I know if I'm closer to device limits, or kernel limits? I want to say that I'm don't know if 8000 irq per second means a high IRQ use or a lower user. I hope I've explained better at this time. -- Thanks, Jordi Espasa Clofent