You can also use the command-line arg "... dpdk { ... poll-sleep <delay-in-us> 
... } ..." to reduce CPU utilization at low vector rates.

Thanks… Dave

-----Original Message-----
From: vpp-dev-boun...@lists.fd.io [mailto:vpp-dev-boun...@lists.fd.io] On 
Behalf Of Damjan Marion (damarion)
Sent: Thursday, June 29, 2017 7:50 AM
To: Burt Silverman <bur...@gmail.com>
Cc: vpp-dev <vpp-dev@lists.fd.io>
Subject: Re: [vpp-dev] DPDK PMD


> On 27 Jun 2017, at 20:07, Burt Silverman <bur...@gmail.com> wrote:
> 
> I came across the idea of running DPDK in non poll mode for low power/albeit 
> lower performance, but I don't remember where. I am just wondering if anyone 
> in VPP has done that, and if you have an easy way to configure that when 
> running VPP. Thanks.

I have some preliminary code which allows DPDK drivers to work in interrupt 
mode. 
Unfortunately I hit some issues with interrupt support in DPDK so I’m not sure 
of that stuff is ready for prime time.
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