Re: [PATCH v0 04/71] itrace: Infrastructure for instruction flowtracing units

[Peter Zijlstra]

> I don't think the PT design is broken in any way, it's straight 
> forward and simple.

Also, do clarify the other points I asked about. Esp. the non
FREEZE_ON_PMI behaviour of the PT PMI is worrying me immensely.

To me it seems very weird that PT is hooked to the same PMI as the
normal PMU, it really should have been a different interrupt.
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