Why spread FUD about Vmware.  Anyways, to hear what they say on the subject:
http://www.vmware.com/files/pdf/techpaper/latency-sensitive-perf-vsphere55.pdf

Anyways, KVM will not handle latency any better than Vmware.

----- Original Message -----
> From: "Paul Robert Marino" <[log in to unmask]>
> To: "Nico Kadel-Garcia" <[log in to unmask]>
> Cc: "Brandon Vincent" <[log in to unmask]>, [log in to unmask], "[log in to unmask]"
> <[log in to unmask]>
> Sent: Sunday, August 24, 2014 12:26:17 PM
> Subject: Re: about realtime system
> 
> Wow I don't know how VMware got mentioned in this string but VMware
> is
> not capable of real time operation and if you ask the senior
> engineers
> at VMware they will tell you they don't want you even trying it on
> their product because they know it wont work. The reason is VMware
> plays games with the clock on the VM so the clocks can never be 100%
> accurate.
> It should be possible to do real time in KVM assuming you don't
> overbook your CPU Cores or RAM. Apparently Red Hat has been doing
> VM's
> with microsecond accurate clocks with PTP running on the
> visualization