> People will want perfom and oprofile in the same kernel, and we'd better
Yes.
> allow useage at the same time, so I'd be very much in favour of having
That would be nice, but is not imho critical.
> just one backend. Especially giving the huge amount of different
> performance counters we have to support.
It's not that big an issue in my experience -- there aren't new x86 CPUs
that often and normally they don't change much between minor revisions.
Also at least Intel now has an architected subset of perfctrs
which I expect to cover most people's needs.
-Andi
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