From: Alexei Starovoitov <a...@fb.com> Date: Mon, 22 May 2017 16:35:07 -0700
> yet perf_event_read() is least documented. hmm. > * u64 bpf_perf_event_read(&map, index) > * Return: Number events read or error code > > that needs to be fixed. That's exactly what I was talking about :-)
