Xen PVHVM with FreeBSD10 Guest

http://lists.freebsd.org/pipermail/freebsd-virtualization/2014-January/001946.html

+----------+-----+-------+--------+------------+-----------+
|    OS    | HV  | Disk  |   IO   | Write MB/s | Read MB/s |
+----------+-----+-------+--------+------------+-----------+
| 9.2      | Xen | File  | QEMU   | 60,5       | 111,2     |
| 9.2      | Xen | File  | PV     | 43,2       | 106,5     |
| 9.2      | Xen | Block | QEMU   | 49,4       | 91,0      |
| 9.2      | Xen | Block | PV     | 72,9       | 100,4     |
| 10.0     | Xen | File  | PV     | 38,6       | 107,2     |
| 10.0     | Xen | Block | PV     | 72,6       | 99,8      |
| 9.2      | KVM | File  | VirtIO | 40,6       | 138,1     |
| 9.2      | KVM | Block | VirtIO | 44,5       | 131,6     |
| 10.0     | KVM | File  | VirtIO | 38,1       | 131,4     |
| 10.0     | KVM | Block | VirtIO | 43,2       | 134,7     |
| Xen Host |     |       |        | 90,1       | 109,0     |
| KVM Host |     |       |        | 93,4       | 126,1     |
+----------+-----+-------+--------+------------+-----------+