Cost of VMEntry and VMExit?

Cost of VMEntry and VMExit?

azru0512's picture

Hi all,

I would like to the overhead of VMEntry and VMExit. Is there any publication talking about this?
Thanks!

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Sergey Kostrov's picture
Quoting azru0512 I would like to the overhead of VMEntry and VMExit. Is there any publication talking about this?

Please take a look at Intel 64 and IA-32 Architectures Optimization Reference Manual.
Topic: Instruction Latency and Throughput

Thai Le (Intel)'s picture

A white paper "Unleash IA Virtualization Accelerations in Real-Time Embedded Systems" talks about the cost of VM entry and exit which can give some additional information.
-Thai

Sergey Kostrov's picture
Quoting azru0512 I would like to the overhead of VMEntry and VMExit. Is there any publication talking about this?

Did you look at Intel System Programming Guide, Volume 3B?

Best regards,
Sergey

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