Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264277AbTF0Npp (ORCPT ); Fri, 27 Jun 2003 09:45:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264308AbTF0Npp (ORCPT ); Fri, 27 Jun 2003 09:45:45 -0400 Received: from mail.atr.bydgoszcz.pl ([212.122.192.35]:49609 "EHLO mail.atr.bydgoszcz.pl") by vger.kernel.org with ESMTP id S264277AbTF0Npn (ORCPT ); Fri, 27 Jun 2003 09:45:43 -0400 From: "adamski" To: "Robert Olsson" , "adamski" Cc: , Subject: RE: How to do kernel packet forwarding performance analysys - please comment on my method Date: Fri, 27 Jun 2003 15:59:21 +0200 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) In-Reply-To: <16124.17582.796111.577015@robur.slu.se> X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4925.2800 Importance: Normal Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1036 Lines: 29 > i would like to start two flows through linux router: PHB EF and BE PHB.. > like voip and ftp or so... > > than i want to analyse what exactly happens ... since my theoretical > analysys show delays (or latencies - from packet entering the NIC to going > out of the outgoing interface) of hundereds of usec (~200us) while > experiments shows 5-10ms !!!!! with CBQ (configured like CBWFQ and LLQ) Seems you have to add your own hooks for this and I guess you've seen CONFIG_NET_PROFILE which does accurate measurements for network related operations. It was long time since I used though... .... could you please say something about CONFIG_NET_PROFILE and hooks you have mentioned???? are there any documents ... related with hooks and CONFIG_NET_PROFILE best regards adam - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/