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Re: [Qemu-devel] KVM VMenter/exit cost
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From: |
Wei-Ren Chen |
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Subject: |
Re: [Qemu-devel] KVM VMenter/exit cost |
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Date: |
Sat, 7 Jul 2012 20:49:00 +0800 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Fri, Jul 06, 2012 at 03:35:05PM -0400, Xin Tong wrote:
> yes, there is a measurement published in KVM conference.
>
> http://www.linux-kvm.org/wiki/images/e/ea/2010-forum-mtosatti_walkthrough_entry_exit.pdf
I also found VMWare has result on VMEnrt/VMExit cost.
http://labs.vmware.com/download/139/
The cost is quite high, ~800 cycles.
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj