4k-randomread KVM testing on CentOS Linux 7 via the Phoronix Test Suite. Intel Xeon E3-12xx v2 - cirrusdrmfb - Fedora: Processor: Intel Xeon E3-12xx v2 @ 2.60GHz (1 Core), Motherboard: Fedora OpenStack Nova, Memory: 1 x 1024 MB RAM, Disk: 20GB, Graphics: cirrusdrmfb OS: CentOS Linux 7, Kernel: 3.10.0-327.28.3.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM Flexible IO Tester 3.1 Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Intel Xeon E3-12xx v2 - cirrusdrmfb - Fedora . 72.93 |========================= Flexible IO Tester 3.1 Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Intel Xeon E3-12xx v2 - cirrusdrmfb - Fedora . 18333 |========================= Flexible IO Tester 3.1 Disk Target file: Default Test Directory - Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target file: Default Test Directory MB/s > Higher Is Better Intel Xeon E3-12xx v2 - cirrusdrmfb - Fedora . 69.93 |======================== Intel Xeon E3-12xx v2 - cirrusdrmfb - Fedora . 70.67 |======================== Intel Xeon E3-12xx v2 - cirrusdrmfb - Fedora . 70.93 |======================== Intel Xeon E3-12xx v2 - cirrusdrmfb - Fedora . 73.60 |========================= Intel Xeon E3-12xx v2 - cirrusdrmfb - Fedora . 73.97 |========================= Intel Xeon E3-12xx v2 - cirrusdrmfb - Fedora . 57.34 |=================== Flexible IO Tester 3.1 Disk Target file: Default Test Directory - Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target file: Default Test Directory IOPS > Higher Is Better Intel Xeon E3-12xx v2 - cirrusdrmfb - Fedora . 17600 |======================= Intel Xeon E3-12xx v2 - cirrusdrmfb - Fedora . 17433 |======================= Intel Xeon E3-12xx v2 - cirrusdrmfb - Fedora . 18167 |======================== Intel Xeon E3-12xx v2 - cirrusdrmfb - Fedora . 18533 |======================== Intel Xeon E3-12xx v2 - cirrusdrmfb - Fedora . 18933 |========================= Intel Xeon E3-12xx v2 - cirrusdrmfb - Fedora . 17400 |=======================