[ovs-dev] [PATCH] dpif-netdev: Allow PMD auto load balance with cross-numa.

David Marchand david.marchand at redhat.com
Fri Mar 12 15:03:58 UTC 2021


On Thu, Mar 11, 2021 at 4:04 PM Kevin Traynor <ktraynor at redhat.com> wrote:
>
> Previously auto load balance did not trigger a reassignment when
> there was any cross-numa polling as an rxq could be polled from a
> different numa after reassign and it could impact estimates.
>
> In the case where there is only one numa with pmds available, the
> same numa will always poll before and after reassignment, so estimates
> are valid. Allow PMD auto load balance to trigger a reassignment in
> this case.
>
> Signed-off-by: Kevin Traynor <ktraynor at redhat.com>

Patch lgtm, I will test it next week, as my current system is mono numa..

-- 
David Marchand



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