On Mon, Jul 29, 2019 at 4:46 PM Petar Penkov <ppenkov@xxxxxxxxxx> wrote: >> > > What is cpu utilization at this rate? > > Is it cpu or nic limited if you crank up the syn flood? > > Original 7M with all cores or single core? > My receiver was configured with 16rx queues and 16 cores. 7M all cores > are at 100% so I believe this case is CPU limited. At XDP, all cores > are at roughly 40%. I couldn't reliably generate higher SYN flood rate > than that, and the highest numbers I could see for XDP did not go past > 10.65Mpps with ~42% utilization on each core. I think I am hitting a > NIC limit here since the CPUs are free. Applied. Thanks!
