Dan Hecht wrote:

> Yes, and regardless of whether you run your periodic timer slower than 
> HZ, calibrating time in a VM is always difficult due to the fact the 
> kernel is time sharing the physical cpu.  Why not just ask the 
> underlying hypervisor?

Upstream Xen does just that.

I'm guessing we'll want something similar for KVM paravirt.

-- 
Politics is the struggle between those who want to make their country
the best in the world, and those who believe it already is.  Each group
calls the other unpatriotic.
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