On 12/01/2015 01:12 PM, Wanpeng Li wrote:
2015-11-26 16:34 GMT+08:00 Andrey Smetanin <asmeta...@virtuozzo.com>:

On 11/26/2015 08:28 AM, Wanpeng Li wrote:
2015-11-25 23:20 GMT+08:00 Andrey Smetanin <asmeta...@virtuozzo.com>:
Per Hyper-V specification (and as required by Hyper-V-aware guests),
SynIC provides 4 per-vCPU timers.  Each timer is programmed via a pair
of MSRs, and signals expiration by delivering a special format message
to the configured SynIC message slot and triggering the corresponding
synthetic interrupt.

Could you post a link for this specification?

Official link:


and there is a pdf variant(my own docx -> pdf conversion):

Btw, is there performance data for such feature?

Wanpeng Li
not yet.

This is a requirement for any Hyper-V device emulation
to be activated by Windows. We are going to have
basic infrastructure merged and run performance tests
with all that stuff done.

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