RE: [PATCH V3] perf/x86/intel/uncore: remove nonexistent clockticks event for client uncore
From: Liang, Kan
Date: Tue Jul 11 2017 - 11:44:31 EST
> > User observable change with the patch.
> > clockticks event is removed from CBOX. User may need to change their
> > script to use uncore_clock/clockticks/ instead.
> I don't think we can do that and break everyone's scripts. Have to keep the
> old behavior, even though it is not ideal.
> Or you fix the the uncore subsystem to support a separate attribute array for
> the first cbox.
I once had a patch to only support clockticks for first box.
But Peter think it's better to move it to its own PMU.
Each solution has its own advantage and drawback. I'm OK for either of them.
I'm not sure what others prefer.
Peter? Ingo? What do you think?