From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <eric.dumazet@gmail.com>
Received: from mail-bk0-f43.google.com (mail-bk0-f43.google.com
	[209.85.214.43]) (using TLSv1 with cipher RC4-SHA (128/128 bits))
	(Client CN "smtp.gmail.com",
	Issuer "Google Internet Authority" (verified OK))
	by huchra.bufferbloat.net (Postfix) with ESMTPS id DF74B20228F
	for <codel@lists.bufferbloat.net>; Mon, 14 May 2012 02:03:21 -0700 (PDT)
Received: by bkty5 with SMTP id y5so8173948bkt.16
	for <codel@lists.bufferbloat.net>; Mon, 14 May 2012 02:03:19 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;
	h=subject:from:to:cc:in-reply-to:references:content-type:date
	:message-id:mime-version:x-mailer:content-transfer-encoding;
	bh=jSe3bVnoxM9M1mHoE9XFuUriyXW/g2tezShtO7omL5U=;
	b=dpk3dPWokQotYleu9GvDgIYO15wUndQnMfZ4m5Z9VXiy/i7OXFhi9huPqVBeyvdJ4G
	EuDOvqT5TvVux8baewxvoDrgG/UbB5z7LJK+lW+1O7ayGxR8hNYG1HZlgYqJxQmF0pJO
	MYz7W12UfRHM8xzeNzvTjCpdKzLYrFLca6ahbZCiVhbXW83v7M/xZ8PTKnYll9C+Zke8
	3mrWG6TZo4ESxX6oeYY1DxJeqlkCNdPxIl3ERXJhJSf2zvxgYW0kLVogUQIAlh5Jc14i
	8GYmHwpt4G47nqW9NTC1a7ecKUWaWNLFJ/ACzSizDpTPWzWr4pmvevK/PxV6DwbJeZaA
	QFrg==
Received: by 10.204.156.202 with SMTP id y10mr2704265bkw.140.1336986199279;
	Mon, 14 May 2012 02:03:19 -0700 (PDT)
Received: from [172.30.42.18] (122.237.66.86.rev.sfr.net. [86.66.237.122])
	by mx.google.com with ESMTPS id
	fw10sm32885041bkc.11.2012.05.14.02.03.17
	(version=SSLv3 cipher=OTHER); Mon, 14 May 2012 02:03:18 -0700 (PDT)
From: Eric Dumazet <eric.dumazet@gmail.com>
To: dave taht <dave.taht@gmail.com>
In-Reply-To: <4FB0C738.20907@gmail.com>
References: <1336855256.31653.1329.camel@edumazet-glaptop>
	<20120512.164513.1156706853054390966.davem@davemloft.net>
	<1336859324.31653.1385.camel@edumazet-glaptop>
	<20120512.175217.1632102067268101115.davem@davemloft.net>
	<1336893803.8512.43.camel@edumazet-glaptop>
	<AE51D0C6-6ED2-42E3-A8E2-41572E187D07@gmail.com>
	<4FB09F8D.6070403@gmail.com>
	<1336976277.8512.46.camel@edumazet-glaptop>
	<4FB0A73F.9090501@gmail.com> <4FB0AA68.2000800@gmail.com>
	<CAKFn1SFr1FSFx5fdhmWe6xdqaGZ4sfAkOsM4cF4coevD0k+AkA@mail.gmail.com>
	<1336983815.8512.89.camel@edumazet-glaptop> <4FB0C738.20907@gmail.com>
Content-Type: text/plain; charset="UTF-8"
Date: Mon, 14 May 2012 11:03:15 +0200
Message-ID: <1336986195.8512.133.camel@edumazet-glaptop>
Mime-Version: 1.0
X-Mailer: Evolution 2.28.3 
Content-Transfer-Encoding: 7bit
Cc: codel@lists.bufferbloat.net
Subject: Re: [Codel] [PATCH net-next] codel: use Newton method instead of
 sqrt() and divides
X-BeenThere: codel@lists.bufferbloat.net
X-Mailman-Version: 2.1.13
Precedence: list
List-Id: CoDel AQM discussions <codel.lists.bufferbloat.net>
List-Unsubscribe: <https://lists.bufferbloat.net/options/codel>,
	<mailto:codel-request@lists.bufferbloat.net?subject=unsubscribe>
List-Archive: <https://lists.bufferbloat.net/pipermail/codel>
List-Post: <mailto:codel@lists.bufferbloat.net>
List-Help: <mailto:codel-request@lists.bufferbloat.net?subject=help>
List-Subscribe: <https://lists.bufferbloat.net/listinfo/codel>,
	<mailto:codel-request@lists.bufferbloat.net?subject=subscribe>
X-List-Received-Date: Mon, 14 May 2012 09:03:22 -0000

On Mon, 2012-05-14 at 01:50 -0700, dave taht wrote:

> Eric:
> 
> I have been seeing you use target 500us on your 10GigE testing, I think.
> 


yes, I use " target 500us interval 10ms"

> That seems like a good idea...
> 
> Secondly don't you need some sort of filter to direct stuff to each of 
> those mq queues?
> 

No, its done automatically by the stack, to spread load coming from
various sources to different queues.

Of course, all packets of a given tcp flow should land on a particular
txqueue (or it could trigger OOO packets)