From owner-freebsd-net@FreeBSD.ORG Mon May 8 23:11:12 2006 Return-Path: X-Original-To: freebsd-net@freebsd.org Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A0F6416A402 for ; Mon, 8 May 2006 23:11:12 +0000 (UTC) (envelope-from tpeixoto@widesoft.com.br) Received: from srv1.netconsultoria.com.br (srv1.netconsultoria.com.br [200.230.201.252]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7B50643D46 for ; Mon, 8 May 2006 23:11:10 +0000 (GMT) (envelope-from tpeixoto@widesoft.com.br) Received: from [192.168.0.1] (mailgw.netconsultoria.com.br [200.230.201.249]) by srv1.netconsultoria.com.br (8.13.6/8.13.3) with ESMTP id k48NAfiJ016602; Mon, 8 May 2006 20:10:41 -0300 (BRT) (envelope-from tpeixoto@widesoft.com.br) Message-ID: <445FCFF7.9070403@widesoft.com.br> Date: Mon, 08 May 2006 20:10:47 -0300 From: tpeixoto@widesoft.com.br User-Agent: Thunderbird 1.5.0.2 (Windows/20060308) MIME-Version: 1.0 To: tpeixoto@widesoft.com.br, .@babolo.ru, Lee Johnston , freebsd-net@freebsd.org, Julian Elischer , mihai@duras.ro References: <1146645702.297895.80691.nullmailer@cicuta.babolo.ru> <44595B76.9010901@widesoft.com.br> <20060504015524.GV728@funkthat.com> In-Reply-To: <20060504015524.GV728@funkthat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV 0.88.2/1450/Mon May 8 13:38:31 2006 on srv1.netconsultoria.com.br X-Virus-Status: Clean Cc: Subject: Re: Packet loss with traffic shaper and routing 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: Mon, 08 May 2006 23:11:12 -0000 Interesting. I'll try to take a look when I have some free time and then post some comments. Thanks. John-Mark Gurney wrote: > tpeixoto@widesoft.com.br wrote this message on Wed, May 03, 2006 at 22:40 -0300: >> Anyway, I am very curious about the result of test 2. Why do the pipes >> have influence on system performance if there is nothing passing through >> them? > > It looks like each tick all the pipes are scanned... In dummynet: > /* Sweep pipes trying to expire idle flow_queues. */ > for (i = 0; i < HASHSIZE; i++) > SLIST_FOREACH(pipe, &pipehash[i], next) > > That bit of code should probably be run less often... >