[dpdk-dev] Performances are not scale with multiple ports

[Stephen Hemminger]

On Mon, 27 May 2013 20:15:23 -0700
Emre Eraltan <emre.eraltan at 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.