From owner-freebsd-net@FreeBSD.ORG Tue Oct 28 11:27:54 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 E6CDB106566C for ; Tue, 28 Oct 2008 11:27:54 +0000 (UTC) (envelope-from dudu@dudu.ro) Received: from ug-out-1314.google.com (ug-out-1314.google.com [66.249.92.170]) by mx1.freebsd.org (Postfix) with ESMTP id 86AA48FC19 for ; Tue, 28 Oct 2008 11:27:54 +0000 (UTC) (envelope-from dudu@dudu.ro) Received: by ug-out-1314.google.com with SMTP id 30so195885ugs.39 for ; Tue, 28 Oct 2008 04:27:53 -0700 (PDT) Received: by 10.103.249.19 with SMTP id b19mr3318389mus.53.1225191350036; Tue, 28 Oct 2008 03:55:50 -0700 (PDT) Received: by 10.103.229.14 with HTTP; Tue, 28 Oct 2008 03:55:50 -0700 (PDT) Message-ID: Date: Tue, 28 Oct 2008 12:55:50 +0200 From: "Vlad GALU" To: "Ivan Voras" In-Reply-To: <4906EC8D.7070503@freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <200810281235.53508.gizmen@blurp.pl> <4906EC8D.7070503@freebsd.org> 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 11:27:55 -0000 On Tue, Oct 28, 2008 at 12:42 PM, 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! > > > Could this be related to the different interrupt handling models? em(4) uses FILTER, the others use ITHREAD. -- ~/.signature: no such file or directory