On Tue, May 28, 2019 at 09:33:40AM -0400, Liang, Kan wrote: > Uncore PMU doesn't support sampling. It will return -EINVAL. > There is no regs support for counting. The request will be ignored. > > I think current check for uncore is good enough.
breakpoints then.. There's also no guarantee you covered all software events, and the core rewrite will allow other per-task/sampling PMUs too. The approach you take is just not complete, don't do that.
