On Thu, Oct 20, 2016 at 12:37:07PM +0200, Peter Zijlstra wrote: > On Thu, Oct 20, 2016 at 11:30:36AM +0200, Jan Glauber wrote: > > Note: > > I'm using perf_sw_context in difference to perf_invalid_context > > (see WARN_ON in perf_pmu_register). Reason is that with perf_invalid_context > > add() is never called and the counter results are shown as "unsupported" by > > perf. With perf_sw_context everything works as expected. > > What?! All the uncore PMUs use perf_invalid_context. What doesn't work > for you?
I think there's general confusion over the use of invalid context. Perhaps we could clear that up with: #define perf_uncore_context perf_invalid_context and s/perf_hw_context/perf_cpu_hw_context/ Mark.
