[ovs-dev] [PATCH] netdev-dpdk: Fix sw stats perf drop.
Eelco Chaudron
echaudro at redhat.com
Wed Dec 18 08:07:07 UTC 2019
On 17 Dec 2019, at 16:07, Kevin Traynor wrote:
> Accessing the sw stats in the vhost datapath of a PVP test
> can incur a performance drop of ~2%.
>
> Most of the time these stats will just be getting zero added
> to them. By checking if there is a non-zero update first, we
> can avoid accessing them when they won't be updated and avoid
> the performance drop.
>
> Fixes: 2f862c712e52 ("netdev-dpdk: Detailed packet drop statistics.")
> Signed-off-by: Kevin Traynor <ktraynor at redhat.com>
> ---
LGTM,
Acked-by: Eelco Chaudron <echaudro at redhat.com>
More information about the dev
mailing list