Re: [GIT PULL] Please pull JSON files for Power9 PMU events

[Arnaldo Carvalho de Melo]

Em Wed, Jul 12, 2017 at 10:09:12PM +1000, Michael Ellerman escreveu:
> Sukadev Bhattiprolu <sukadev@xxxxxxxxxxxxxxxxxx> writes:
> > Please pull the JSON files for POWER9 PMU events.

> >       perf vendor events: Add POWER9 PMU events
> >       perf vendor events: Add POWER9 PVRs to mapfile
 
> I think the PVRs need work.
 
> You have:
 
> +004e0100,1,power9.json,core
> +004e0000,1,power9.json,core
 
> The first is P9 DD1, but the second doesn't exist. We have it in the
> kernel, but with a mask of 0xffff0000. From memory the perf code doesn't
> do any masking or anything fancy, it looks for an exact match.
 
> So for starters you should probably drop that one and add 0x004e1200 and
> 0x004e0200.

Could this check be somehow done automatically? Using whatever is in the
kernel sources or some IBM released document?

- Arnaldo