Re: KVM PMU virtualization

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On 02/26/2010 05:08 PM, Peter Zijlstra wrote:
That's 7 more than what we support now, and 7 more than what we can
guarantee without it.
Again, what windows software uses only those 7? Does it pay to only have
access to those 7 or does it limit the usability to exactly the same
subset a paravirt interface would?

Good question. Would be interesting to try out VTune with the non-arch pmu masked out.

--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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