iozone_test Xen HVM domU 4.4.1-xs128151 testing on Ubuntu 14.04 via the Phoronix Test Suite. iozone_test: Processor: Intel Xeon E5-2623 v4 @ 2.60GHz (8 Cores), Motherboard: Xen HVM domU, Chipset: Intel 440FX- 82441FX PMC, Memory: 16384 MB + 14328 MB RAM, Disk: 48GB, Graphics: Device 1234:1111, Audio: NVIDIA GPU 71 HDMI/DP OS: Ubuntu 14.04, Kernel: 4.4.0-57-generic (x86_64), Compiler: GCC 4.8 + CUDA 7.5, File-System: ext4, System Layer: Xen HVM domU 4.4.1-xs128151 IOzone 3.405 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better iozone_test . 5650.49 |======================================================== IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better iozone_test . 5624.11 |======================================================== IOzone 3.405 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better iozone_test . 492.54 |========================================================= IOzone 3.405 Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better iozone_test . 456.60 |========================================================= IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better iozone_test . 5869.33 |======================================================== IOzone 3.405 Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better iozone_test . 456.90 |=========================================================