From owner-freebsd-net@FreeBSD.ORG Tue Oct 28 10:55:21 2008 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 E19B4106566C for ; Tue, 28 Oct 2008 10:55:19 +0000 (UTC) (envelope-from oleksandr@samoylyk.sumy.ua) Received: from mail.telesweet.net (mail.telesweet.net [194.110.252.6]) by mx1.freebsd.org (Postfix) with ESMTP id 9BB258FC1E for ; Tue, 28 Oct 2008 10:55:19 +0000 (UTC) (envelope-from oleksandr@samoylyk.sumy.ua) Received: from localhost (localhost [127.0.0.1]) by mail.telesweet.net (Postfix) with ESMTP id 830A110C2E1; Tue, 28 Oct 2008 12:49:23 +0200 (EET) X-Spam-Flag: NO X-Spam-Score: -1.44 X-Spam-Level: X-Spam-Status: No, score=-1.44 required=6.2 tests=[ALL_TRUSTED=-1.44] Received: from [10.0.0.109] (pigeon-work.telesweet [10.0.0.109]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.telesweet.net (Postfix) with ESMTPS id 1586910C2DD; Tue, 28 Oct 2008 12:49:22 +0200 (EET) Message-ID: <4906EE31.3080400@samoylyk.sumy.ua> Date: Tue, 28 Oct 2008 12:49:21 +0200 From: Oleksandr Samoylyk User-Agent: Thunderbird 2.0.0.17 (X11/20080925) MIME-Version: 1.0 To: Ivan Voras References: <200810281235.53508.gizmen@blurp.pl> <4906EC8D.7070503@freebsd.org> In-Reply-To: <4906EC8D.7070503@freebsd.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-net@freebsd.org, jfvogel@gmail.com Subject: Re: two NIC on 2 core system (scheduling problem) 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: Tue, 28 Oct 2008 10:55:21 -0000 Ivan Voras wrote: > Bartosz Giza wrote: > >> Another question is why em0 taskq is eating so much cpu ? BGE interface is >> actually one that pushes 2 times more packets than em0 and it uses about >> half cpu comparing to em0. Is that not strange ? >> Could someone tell my why is this happening ? BGE is faster ? or maybe i can >> tune some > > I have the same problem - em0 taskq eating incredible amounts of CPU. If > you find a solution, contact me! > > It could be not just a problem with em driver. Firstly, it's good to make profiling and find out what exactly eats CPU time. -- Oleksandr Samoylyk OVS-RIPE