RE: [Xen-ia64-devel] Question about migration

["Xu, Anthony" <anthony.xu@xxxxxxxxx>]

Kouya Shimura wrote:
> Well, time_interpolator_get_counter() guarantees the monotonicity
> of gettimeofday() system call. It's pointless when an application
> reads ar.itc directly, isn't it?
> 
> But as Anthony said, difference of ITC cycles is quite small.
> So I think there is no problem. It must be less than cycles of
> process switch and much less than cycles of domU migration.

You are right here, if migration happens in the same machine,
How about migrate to another physical machine?
There may be different ITC value in different machine.

Anthony



_______________________________________________
Xen-ia64-devel mailing list
Xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-ia64-devel