From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [PATCH] sched: QFQ - quick fair queue scheduler (v2) Date: Wed, 02 Mar 2011 12:17:47 +0100 Message-ID: <1299064667.2920.4.camel@edumazet-laptop> References: <20110228171738.2cc8c9a0@nehalam> <20110302020610.GD1005@gandalf.sssup.it> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Stephen Hemminger , David Miller , Luigi Rizzo , netdev@vger.kernel.org To: Fabio Checconi Return-path: Received: from mail-bw0-f46.google.com ([209.85.214.46]:61386 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751989Ab1CBLRx (ORCPT ); Wed, 2 Mar 2011 06:17:53 -0500 Received: by bwz15 with SMTP id 15so47216bwz.19 for ; Wed, 02 Mar 2011 03:17:52 -0800 (PST) In-Reply-To: <20110302020610.GD1005@gandalf.sssup.it> Sender: netdev-owner@vger.kernel.org List-ID: Le mercredi 02 mars 2011 =C3=A0 03:06 +0100, Fabio Checconi a =C3=A9cri= t : > Hi, >=20 > > From: Stephen Hemminger > > Date: Mon, Feb 28, 2011 05:17:38PM -0800 > > > > This is an implementation of the Quick Fair Queue scheduler develop= ed > > by Fabio Checconi. The same algorithm is already implemented in ipf= w > > in FreeBSD. Fabio had an earlier version developed on Linux, I just > > cleaned it up and tested it. All bugs are mine. > >=20 >=20 > thanks for posting, I'm pretty sure that bugs are more likely to be > ours than yours :) >=20 > During the development of the algorithm we used a simple traffic > simulator to verify (informally) the timestamping and the guarantees > provided. I've tested this version of the code with the simulator an= d > so far it worked fine, so I think that timestamping and guarantees sh= ould > be OK. >=20 > Please let us know if we can be of any help, > fabio Hmm, I tried to setup QFQ (using iproute2patch http://patchwork.ozlabs.org/patch/77902/ ) but failed Do you have a link to a script/sample ? Thanks