From: Thadeu Lima de Souza Cascardo <casca...@redhat.com> Date: Thu, 15 Sep 2016 19:11:53 -0300
> Instead of using flow stats per NUMA node, use it per CPU. When using > megaflows, the stats lock can be a bottleneck in scalability. > > On a E5-2690 12-core system, usual throughput went from ~4Mpps to > ~15Mpps when forwarding between two 40GbE ports with a single flow > configured on the datapath. > > This has been tested on a system with possible CPUs 0-7,16-23. After > module removal, there were no corruption on the slab cache. > > Signed-off-by: Thadeu Lima de Souza Cascardo <casca...@redhat.com> Also applied to net-next, thanks.
