On Mon, May 09, 2016 at 10:53:43PM +0530, Vineet Gupta wrote: > Right thats what I feared. But hold on, I don't think we need to change the ABI to > achieve what we want. Gosh why did I even take that path. > > Currently the errno switch case in perf_evsel__open_strerror() in doesn't handle > ENOTSUPP. So how about we add that - augmented with the same sample_period !0 > check to barf for lack of sampling support. > > Do you see anything wrong with that ? Should work I think.
