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SubjectRe: re-enable Nehalem raw Offcore-Events support

* Corey Ashford <cjashfor@linux.vnet.ibm.com> wrote:

> Carl Love and I recently completed some work to add perf_events support for
> the IBM Blue Waters machine's "CPU networking" chip, called the Torrent chip.
> We did all of this work based on a RHEL 6 kernel (2.6.32ish), which doesn't
> have Peter's more recent multi-PMU support.
>
> I would say that most if not all of the events are not generalizable in the
> sense that you are talking about; the events are very specific to the Torrent
> chip. [...]

That's ok and not a problem.

The issue here are events that *are* generalizable.

> So if I'm understanding what you have said correctly, we would not be able to
> get a forward port of this code committed without abstracting these events in
> a away that's acceptable to the kernel community. [...]

If the number of events worth generalizing is the empty set that's ok.

Thanks,

Ingo


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