[ovs-discuss] kernel data-path CPU usage

Mauricio Vásquez mauriciovasquezbernal at gmail.com
Wed Mar 18 14:44:47 UTC 2015


Thank you very much for your answer,

Just an extra question, in the case where I had the two virtual machines,
where is ovs executed?.

On Tue, Mar 17, 2015 at 9:13 PM, Ben Pfaff <blp at nicira.com> wrote:

> On Tue, Mar 17, 2015 at 08:46:54PM +0100, Mauricio V??squez wrote:
> > Finally, We ran a test with two pcs, each of them with two 10G NICs, one
> PC
> > was used as traffic generator meanwhile the another one was using OVS to
> > make a bridge between the two NICs, in the pc with OVS we found that
> there
> > was a process called ksoftirqd what was using 100% of a core, once again
> > there were not anything related to ovs.
> >
> > So, the question is, where is the dapa-path module executed? I mean, In
> > which thread?
>
> The datapath doesn't have any threads, it runs in softirqs to process
> packets as they arrive.
>
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