[ovs-discuss] kernel data-path CPU usage

Ben Pfaff blp at nicira.com
Tue Mar 17 20:13:23 UTC 2015

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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