Re: perf_events: questions about cpu_has_ht_siblings() and offcoresupport

[Peter Zijlstra]

On Fri, 2011-04-22 at 15:46 +0200, Stephane Eranian wrote:
> 
> perf stat -e offcore_response_0:dmd_data_rd,offcore_response_0:dmnd_rfo ......
> 
> This should still not be allowed.

Aside from the problem you mention, I don't like the whole
offcore_response_[01] thing. The offcore things are fully symmetric so
the kernel should automatically select the other one if one is taken.



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