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

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Date:   Wed, 12 Jul 2017 11:46:11 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Michael Ellerman <mpe@...erman.id.au>
Cc:     Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Madhavan Srinivasan <maddy@...ux.vnet.ibm.com>,
        Andi Kleen <andi@...stfloor.org>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        mikey@...ling.org
Subject: Re: [GIT PULL] Please pull JSON files for Power9 PMU events

Em Wed, Jul 12, 2017 at 10:09:12PM +1000, Michael Ellerman escreveu:
> Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com> 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