[ovs-dev] [PATCH 4/5] dpif-netdev: Assign PMD for failed pinned rxqs.

[Kevin Traynor]

On 24/06/2021 08:51, Pai G, Sunil wrote:
> Hey Kevin , 
> 
> Patch looks good to me. 
> Builds fine , all test cases here http://patchwork.ozlabs.org/project/openvswitch/patch/20210316154532.127858-1-ktraynor@redhat.com/  pass as well.
> 
> 
> # ovs-appctl dpif-netdev/pmd-rxq-show
> pmd thread numa_id 0 core_id 1:
>   isolated : false
>   port: dpdk0             queue-id:  0 (enabled)   pmd usage:  0 %
> pmd thread numa_id 0 core_id 2:
>   isolated : false
>   port: vhostuserclient0  queue-id:  0 (enabled)   pmd usage:  0 %
>   
> # $OVS_DIR/utilities/ovs-vsctl set interface vhostuserclient0 other_config:pmd-rxq-affinity="0:99"
> 
> # ovs-appctl dpif-netdev/pmd-rxq-show
> pmd thread numa_id 0 core_id 1:
>   isolated : false
>   port: dpdk0             queue-id:  0 (enabled)   pmd usage:  0 %
> pmd thread numa_id 0 core_id 2:
>   isolated : false
>   port: vhostuserclient0  queue-id:  0 (enabled)   pmd usage:  0 %
> 
> from vswitchd log:
> dpif_netdev|WARN|Core 99 cannot be pinned with port 'vhostuserclient0' rx queue 0. Use pmd-cpu-mask to enable a pmd on core 99. An alternative core will be assigned.
> dpif_netdev|INFO|Performing pmd to rx queue assignment using cycles algorithm.
> dpif_netdev|INFO|Core  1 on numa node 0 assigned port 'dpdk0' rx queue 0. (measured processing cycles 0).
> dpif_netdev|INFO|Core  2 on numa node 0 assigned port 'vhostuserclient0' rx queue 0. (measured processing cycles 0).
> 

nice, thanks for reviewing and testing this and the other patches.

Kevin.

> 
> <snipped>
>