Hi all, I'm using testpmd as very simple packet generator to test the capability of receive packets of my DPDK application. I'm using a Mellanox CX5 100Gbps card for the test.
I can successfully launch testpmd with options "--forward-mode=txonly --stats-period=3" to push 10.5MPPS on each of the 2 ports of the NIC (using just 1 CPU core !!). This is good but I have a couple of questions which probably are very basic hopefully: 1) can I limit the TX rate to e.g. half the value I'm getting now (e.g. to 5MPPS) ? 2) if I want to use more than 1 CPU core for testpmd how can I achieve that? I played with --nb-cores=5 and running testpmd in interactive mode and then issuing "port config all txq 4" but still no luck... testpmd will keep using only 1 CPU core 3) when I run testpmd in batch mode I get a nice report about "throughput (since last show)" every stats period. How can I tell testpmd to show me PPS/bytes-per-second reporting also when I start the application with "-i" (interactive mode)? Thanks a lot for any hint, Francesco Montorsi
