[ovs-dev] [PATCH v7] netdev-dpdk: add dpdk vhost-user ports

Gray, Mark D mark.d.gray at intel.com
Thu May 28 15:24:32 UTC 2015


> 
> Just a nice update below:
> 
> On Fri, May 22, 2015 at 06:13:25PM -0300, Flavio Leitner wrote:
> > On Fri, May 22, 2015 at 01:52:22PM -0700, Ethan Jackson wrote:
> > > Pravin has been handling this on our end, so he'll do it.
> > >
> > > Btw how does this perform out of curiosity?
> >
> > These are devel numbers after doing some basic tuning:
> >
> > 64bytes, 13.3~13.7Mpps OVS+DPDK forwarding between 2 DPDK ports.
> > (no vhost-user)
> 
> I rebased my tree with latest patches and now I am seeing 14.88Mpps (10Gb
> line rate speed) which is very nice.

I'm seeing just shy of 16Mpps (8 x 2) on a 2.8 IVB core. The RX vectorization patch
that Kevin submitted should have removed a bottleneck on the IO that we found
and Daniele's performance patches also added 1Mpps. We are working on
some more optimizations.

> 
> Thanks,
> fbl
> 
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