On 2024-02-20 10:17:53 [+0100], Jesper Dangaard Brouer wrote: > > > On 19/02/2024 20.01, Toke Høiland-Jørgensen wrote: > > may be simpler to use pktgen, and at 10G rates that shouldn't become a > > bottleneck either. The pktgen_sample03_burst_single_flow.sh script in > > samples/pktgen in the kernel source tree is fine for this usage. > > Example of running script: > ./pktgen_sample03_burst_single_flow.sh -vi mlx5p1 -d 198.18.1.1 -m > ec:0d:9a:db:11:c4 -t 12 > > Notice the last parameter, which is number threads to start. > If you have a ixgbe NIC driver, then I recommend -t 2 even if you have more > CPUs. I get | Summary 8,435,690 rx/s 0 err/s | Summary 8,436,294 rx/s 0 err/s with "-t 8 -b 64". I started with 2 and then increased until rx/s was falling again. I have ixgbe on the sending side and i40e on the receiving side. I tried to receive on ixgbe but this ended with -ENOMEM | # xdp-bench drop eth1 | Failed to attach XDP program: Cannot allocate memory This is v6.8-rc5 on both sides. Let me see where this is coming from… > --Jesper Sebastian
