On Mon, Jul 8, 2019 at 4:02 PM Josh Poimboeuf <jpoim...@redhat.com> wrote: > > > > > > modprobe test_bpf > > > selftests/bpf/test_progs > > > both print runtime. > > > Some of test_progs have high run-to-run variations though. > > > > Thanks, I'll give it a shot. > > I modprobed test_bpf with JIT disabled. > > Before: 2.493018s > After: 2.523572s > > So it looks like it's either no change, or slightly slower.
total time is hard to compare. Could you compare few tests? like two that are called "tcpdump *" I think small regression is ok. Folks that care about performance should be using JIT.
