Dor Laor wrote:
> >
> > vmx (and svm) allow us to add an offset to the physical tsc. We
set it
> > on startup to -tsc (so that an rdtsc on boot would return 0), and
> > massage it on vcpu migration so that guest rdtsc is monotonic.
> >
> > The net effect is that tsc on a vcpu can experience large forward
jumps
> > and changes in rate, but no negative jumps.
>
> Changes in rate does not sound good. It's possibly what's screwing up
> my paravirt clock implementation in smp.
Do you mean in the case of VM migration, or just starting them on a
single
host?
It's the cpu preemption stuff on local host and not VM migration
No, migrating a vcpu to another cpu.
--
error compiling committee.c: too many arguments to function
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