From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jesper Dangaard Brouer <brouer@redhat.com>
Subject: Re: [PATCH v2 net-next] mlx4: optimize xmit path
Date: Thu, 2 Oct 2014 10:29:50 +0200
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Cc: brouer@redhat.com, Eric Dumazet <eric.dumazet@gmail.com>,
	Or Gerlitz <gerlitz.or@gmail.com>,
	Alexei Starovoitov <ast@plumgrid.com>,
	"David S. Miller" <davem@davemloft.net>,
	"Eric Dumazet" <edumazet@google.com>,
	John Fastabend <john.r.fastabend@intel.com>,
	Linux Netdev List <netdev@vger.kernel.org>,
	Or Gerlitz <or.gerlitz@gmail.com>, <amira@mellanox.com>,
	<idos@mellanox.com>, "Yevgeny Petrilin" <yevgenyp@mellanox.com>,
	<eyalpe@mellanox.com>
To: Amir Vadai <amirv@mellanox.com>
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On Thu, 2 Oct 2014 11:03:13 +0300
Amir Vadai <amirv@mellanox.com> wrote:

> I'm still working on it, but I can't reproduce the numbers that you
> show. On my development machine, I get ~5.5Mpps with burst=8 and ~2Mpps
> with burst=1.

For pktgen it sounds like you either missing:

1) flag QUEUE_MAP_CPU
 and/or
2) clone_skb $BIGNUMBER

My usage of pktgen:
 http://netoptimizer.blogspot.dk/2014/06/pktgen-for-network-overload-testing.html

-- 
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Sr. Network Kernel Developer at Red Hat
  Author of http://www.iptv-analyzer.org
  LinkedIn: http://www.linkedin.com/in/brouer