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List:       openvswitch-discuss
Subject:    [ovs-discuss] does vswitchd runs multiple threads when i added dpdk devices
From:       alexw () nicira ! com (Alex Wang)
Date:       2014-07-28 18:02:50
Message-ID: CAArS4XXWv5+zvi9gaP8LeboFoTHgqOLBeaqLsjpjkCuKmZpH-g () mail ! gmail ! com
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Hey Srinivas,

Right now, ovs has only one dpdk polling thread.  We are working on
creating multiple polling threads and pinning polling threads to the same
cpu socket as dpdk interface.


Thanks,
Alex Wang,


On Mon, Jul 28, 2014 at 9:15 AM, Ben Pfaff <blp at nicira.com> wrote:

> On Mon, Jul 28, 2014 at 07:33:35AM +0000, Srinivas Reddi wrote:
> > As per my understanding  each  dpdk device is polled on different thread
> .
> > But in my case vswithcd is running in only single thread [on core 0]  ,
> I expected to run on 3 cores ..
> >
> > One thing I want to clarify   that .. does ovs-vswitchd runs on single
> core only  .. or multiple thereads .. when I added dpdk devices .
> > If vswitchd runs on multiple threads , when I added dpdk devices .. pls
> let me know how can I run .
>
> It looks like right now OVS has only one dpdk polling thread.
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