fio-results Xen HVM domU 4.1.3-rc1-pre-xc testing on Ubuntu 12.04 via the Phoronix Test Suite. 1st-ru: Processor: Intel Core i7-3612QE @ 2.10GHz (4 Cores), Motherboard: Xen HVM domU, Chipset: Intel 3rd Gen Core DRAM, Memory: 6144MB, Disk: 75GB, Graphics: LLVMpipe, Audio: Intel 82801AA AC 97 Audio, Monitor: Bochs Screen OS: Ubuntu 12.04, Kernel: 3.2.0-79-generic (x86_64), Desktop: Unity 2D 5.20.0, Display Server: X Server 1.11.3, Display Driver: fbdev 0.4.2, OpenGL: 2.1 Mesa 8.0.4 Gallium 0.4, Compiler: GCC 4.6.3, File-System: ext4, Screen Resolution: 1440x900, System Layer: Xen HVM domU 4.1.3-rc1-pre-xc Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better 1st-ru . 3905 |================================================================ Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better 1st-ru . 15.62 |=============================================================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better 1st-ru . 54316 |=============================================================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better 1st-ru . 233.93 |============================================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better 1st-ru . 53013 |=============================================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better 1st-ru . 210.64 |============================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better 1st-ru . 46415 |=============================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better 1st-ru . 217.31 |==============================================================