Subject: Re: [PATCH net-next] mlx4: exploit skb->xmit_more to conditionally send doorbell

From: Jesper Dangaard Brouer <[email-masked]>
Date: Thu, 25 Sep 2014 16:43:33 +0200

On Thu, 25 Sep 2014 07:17:49 -0700
Eric Dumazet <[email-masked]> wrote:

> From: Eric Dumazet <[email-masked]>
> 
> Tested with a modified pktgen version, I got a 40% increase of
> throughput.

Pktgen is artificial benchmarking, you know ;-) :-P

If you really must use pktgen for this, you can use an unmodified
pktgen against the qdisc layer by adding a VLAN interface on-top of the
device you want to test.  I blame John, for telling me this ;-)

/me running away
-- 
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