centos-tio Xen HVM domU 4.1.5 testing on CentOS Linux 7.0.1406 via the Phoronix Test Suite. xen-centos7: Processor: 4 x Intel Core 2 Quad Q9300 @ 2.49GHz (4 Cores), Motherboard: Xen HVM domU v4.1.5, Chipset: Intel 440FX- 82441FX PMC, Memory: 2048MB, Disk: 9GB, Graphics: Cirrus Logic GD 5446 OS: CentOS Linux 7.0.1406, Kernel: 3.10.0-123.4.2.el7.x86_64 (x86_64), Desktop: GNOME Shell 3.8.4, Display Driver: modesetting 0.8.0, Compiler: GCC 4.8.2 20140120, File-System: xfs, System Layer: Xen HVM domU 4.1.5 Threaded I/O Tester 0.3.3 Test: Read - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better xen-centos7 . 1932.98 |======================================================== Threaded I/O Tester 0.3.3 Test: Write - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better xen-centos7 . 4.53 |=========================================================== Threaded I/O Tester 0.3.3 Test: Random Read - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better xen-centos7 . 1646.26 |======================================================== Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better xen-centos7 . 0.89 |===========================================================