From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <stephen@networkplumber.org>
Received: from mail-pb0-x232.google.com (mail-pb0-x232.google.com
 [IPv6:2607:f8b0:400e:c01::232])
 by dpdk.org (Postfix) with ESMTP id B820B30E
 for <dev@dpdk.org>; Tue, 28 May 2013 05:29:46 +0200 (CEST)
Received: by mail-pb0-f50.google.com with SMTP id wy17so7331271pbc.9
 for <dev@dpdk.org>; Mon, 27 May 2013 20:29:52 -0700 (PDT)
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=google.com; s=20120113;
 h=date:from:to:cc:subject:message-id:in-reply-to:references:x-mailer
 :mime-version:content-type:content-transfer-encoding
 :x-gm-message-state;
 bh=LmT4Q+ArhVIt4D0RzUrwHWl04bcOA+9YgFOXhnvswRs=;
 b=kqAi+IA7LjE0dje4cfMx8K5C9O59C9owoPEeDT+r0oIlBGD/5s1psrCYC9ltwKxM/4
 x6ZKTYPAIrx1mgnjPlzV0uG05fyU7V6AbMSx429APqrwlUkY2nf4mrk0TMD0iCJSURRa
 TH7OljRRZRlW/vk0sZUZUsW6NnYYx+T+No0hC1EfCYynEybXFoTYypQW9dmmpAf1qhle
 RzymE4g2Mtct2Vqt9zCKS1nU6dP+BoLd8XrMuhTIlr9oFvAl+A5ebfMxwROVVgoCazet
 fbaEDzP8bZLuCP1L2upGLe/jjSwUdMARD9Dw7VcVyLGcmebA5GKvAgHCIBdQiVn+u659
 fZFQ==
X-Received: by 10.66.163.200 with SMTP id yk8mr32342036pab.170.1369711792133; 
 Mon, 27 May 2013 20:29:52 -0700 (PDT)
Received: from nehalam.linuxnetplumber.net
 (static-50-53-71-109.bvtn.or.frontiernet.net. [50.53.71.109])
 by mx.google.com with ESMTPSA id cq1sm30992887pbc.13.2013.05.27.20.29.50
 for <multiple recipients>
 (version=TLSv1.2 cipher=RC4-SHA bits=128/128);
 Mon, 27 May 2013 20:29:51 -0700 (PDT)
Date: Mon, 27 May 2013 20:29:46 -0700
From: Stephen Hemminger <stephen@networkplumber.org>
To: Emre Eraltan <emre.eraltan@6wind.com>
Message-ID: <20130527202946.75184090@nehalam.linuxnetplumber.net>
In-Reply-To: <51A4214B.8040703@6wind.com>
References: <CA+f=ZztBO=fTqSvj7n8SwKZUNz=fhOq1LcaFMJGJMRhy7xi41w@mail.gmail.com>
 <20130528113005.5E6D.C42C3789@sakura.ad.jp>
 <CA+f=Zzvyfgu8GcdP4R2W6qi0gfEpDhdEctHnhxmqYuTn8U+n3A@mail.gmail.com>
 <51A4214B.8040703@6wind.com>
X-Mailer: Claws Mail 3.8.1 (GTK+ 2.24.10; x86_64-pc-linux-gnu)
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
X-Gm-Message-State: ALoCoQkW61N+r6taqL96V46AyvfcpkiVTLvUsWgBIVRneMBRdP/PA2G6ooU21Tn79+5csnb8K40Y
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] Performances are not scale with multiple ports
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: patches and discussions about DPDK <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
X-List-Received-Date: Tue, 28 May 2013 03:29:47 -0000

On Mon, 27 May 2013 20:15:23 -0700
Emre Eraltan <emre.eraltan@6wind.com> wrote:

> Hello Shinae,
> 
> Did you try to use the testpmd tool with multiple queues per port? It 
> gives you more flexibility compared to l2fwd app.
> 
> You need to trigger the RSS feature of the NIC by sending different 
> streams (just by changing the destination port for instance or any 
> information in the 5-tuple). This will load balance your packets among 
> several cores so that you can probe multiple queues with different 
> cores. Otherwise, you will use only one core (or thread if HT is 
> enabled) per port for the RX side.
> 
> Best Regards,
> Emre
> 

I wrote a partial baked version of pktgen for DPDK. Let me see if I can
get ok to release and clean it up.

Windriver has one as well, and they use it in their demo clases.
Not sure why it never got included.