On Thu, 2016-12-01 at 20:17 +0100, Jesper Dangaard Brouer wrote: > On Thu, 01 Dec 2016 09:04:17 -0800 Eric Dumazet <eric.duma...@gmail.com> > wrote: > > > BTW, if you are doing tests on mlx4 40Gbit, > > I'm mostly testing with mlx5 50Gbit, but I do have 40G NIC in the > machines too. > > > would you check the > > following quick/dirty hack, using lots of low-rate flows ? > > What tool should I use to send "low-rate flows"? >
You could use https://github.com/google/neper It supports SO_MAX_PACING_RATE, and you could launch 1600 flows, rate limited to 3028000 bytes per second (so sending one 2-MSS TSO packet every ms per flow) > And what am I looking for? Max throughput, in packets per second :/
