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SubjectImpact of CONFIG_PARAVIRT=y / mmap benchmark

I'm trying to assess the performance impact of enabling PARAVIRT (and
XEN) in a custom kernel configuration. I came across a very old thread
( on this topic and the conclusion
back then was that the performance impact was (arguably) around 1%.

Does anyone still have a copy of Ingo Molnar's mmap-perf.c program (the
old link is broken)? Would it still be relevant to use it for measuring
performance in case of PARAVIRT?

Last but not least, has anyone looked into PARAVIRT performance more

Thank you!

Best regards,
Radu Rendec

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