Re: [PATCH 1/5] perf, x86: Don't assume the alternative cyclesencoding is architectural

[Peter Zijlstra]

On Tue, 2012-06-05 at 17:56 -0700, Andi Kleen wrote:
> From: Andi Kleen <ak@xxxxxxxxxxxxxxx>
> 
> cycles:p uses an special cycles encoding by default. However that is not
> architectural, so it can only be used when the CPU is known
> (it already caused problems on Sandy Bridge). It may or may not work
> on future CPUs.
> 
> So make it opt-in only. Right now I enabled it on Core2, Nehalem, Westmere
> and not on Sandy-Bridge or Atom.

No. Also, c0 is a PEBS capable event on Atom just fine.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/