On Tue, Jul 21, 2015 at 04:24:07PM +0200, [email protected] wrote: > That's the problem, it is already difficult to get a precise time > tick/measurement on bare hardware, but with a Hypervisor in between which is > trying to isolate the hardware from the VMs running, it get worse in some > cases because the VMs are not aware of the decisions a Hypervisor does to > manage hardware/counter access. This is *never* a problem with "standard" > use cases but it might get a problem with many VMs all trying to get > reliable time ticks for example.
I agree, despite the excellent progress concerning timer implementations, VMs still add some latency, which is usually non desterministic and sometimes non negligible. -- Richard Braun _______________________________________________ pool mailing list [email protected] http://lists.ntp.org/listinfo/pool
