From owner-freebsd-net@FreeBSD.ORG Tue May 1 21:21:51 2012 Return-Path: Delivered-To: net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 694FA106566B; Tue, 1 May 2012 21:21:51 +0000 (UTC) (envelope-from luigi@onelab2.iet.unipi.it) Received: from onelab2.iet.unipi.it (onelab2.iet.unipi.it [131.114.59.238]) by mx1.freebsd.org (Postfix) with ESMTP id 25A8B8FC08; Tue, 1 May 2012 21:21:51 +0000 (UTC) Received: by onelab2.iet.unipi.it (Postfix, from userid 275) id A12377300A; Tue, 1 May 2012 23:41:40 +0200 (CEST) Date: Tue, 1 May 2012 23:41:40 +0200 From: Luigi Rizzo To: "Bjoern A. Zeeb" Message-ID: <20120501214140.GA83902@onelab2.iet.unipi.it> References: <20120419133018.GA91364@onelab2.iet.unipi.it> <20120420190309.GA5617@onelab2.iet.unipi.it> <20120501154031.GB80942@onelab2.iet.unipi.it> <6BF3F3EE-23CF-4FF6-B513-93E985CEE07E@lists.zabbadoz.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6BF3F3EE-23CF-4FF6-B513-93E985CEE07E@lists.zabbadoz.net> User-Agent: Mutt/1.4.2.3i Cc: current@freebsd.org, net@freebsd.org Subject: Re: more network performance info: ether_output() 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, 01 May 2012 21:21:51 -0000 On Tue, May 01, 2012 at 09:09:05PM +0000, Bjoern A. Zeeb wrote: > > On 1. May 2012, at 15:40 , Luigi Rizzo wrote: > > > On Tue, May 01, 2012 at 10:27:42AM -0400, George Neville-Neil wrote: ... > >> Also, how are you doing the measurements. > > > > The measurements are done with tools/tools/netrate/netsend and > > kernel patches to return from sendto() at various places in the > > stack (from the syscall entry point down to the device driver). > > A patch is attached. > > I think that was lost on the way. Can you mail it or put it somewhere > and send a link? nope, my fault, i forgot to put the attachment. I have now put it at http://info.iet.unipi.it/~luigi/netmap/20120501-netmap_drop.diff cheers luigi