full Common KVM testing with a QEMU Standard PC (i440FX + PIIX 1996) and Cirrus Logic GD 5446 on Ubuntu 14.04 via the Phoronix Test Suite. QEMU HDD: Processor: Common KVM @ 2.20GHz (2 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 1024 MB RAM QEMU, Disk: 11GB QEMU HDD + 2 x 34GB QEMU HDD, Graphics: Cirrus Logic GD 5446, Network: Intel 82540EM Gigabit OS: Ubuntu 14.04, Kernel: 3.19.0-30-generic (x86_64), Compiler: GCC 4.8.4, File-System: ext4, Screen Resolution: 1024x768 Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 203 |=============================================================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 175 |=============================================================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better QEMU HDD . 11.23 |============================================================= Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 68 |================================================================ Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 208 |=============================================================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 30 |================================================================ Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better QEMU HDD . 1.92 |============================================================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 165 |=============================================================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better QEMU HDD . 10.81 |============================================================= Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 69 |================================================================ Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 29 |================================================================ Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better QEMU HDD . 2.02 |============================================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 1596 |============================================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better QEMU HDD . 6.34 |============================================================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 182 |=============================================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 689 |=============================================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better QEMU HDD . 45.14 |============================================================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 60 |================================================================ Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 156 |=============================================================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better QEMU HDD . 10.03 |============================================================= Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 70 |================================================================ Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 12295 |============================================================= Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better QEMU HDD . 49.52 |============================================================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 38 |================================================================ Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better QEMU HDD . 2.68 |============================================================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 31 |================================================================ Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better QEMU HDD . 2.29 |============================================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 812 |=============================================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better QEMU HDD . 51.62 |============================================================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 896 |=============================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better QEMU HDD . 3.84 |============================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 387 |=============================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better QEMU HDD . 22.95 |============================================================= Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 1615 |============================================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better QEMU HDD . 6.50 |============================================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 550 |=============================================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better QEMU HDD . 35.44 |============================================================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 57 |================================================================ Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better QEMU HDD . 43 |================================================================ Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better QEMU HDD . 3.12 |==============================================================