fio_trial KVM testing on CentOS 7.2.1511 via the Phoronix Test Suite. Intel Xeon E5-2680 v3 - Cirrus Logic GD 5446 - QEMU: Processor: Intel Xeon E5-2680 v3 @ 2.49GHz (2 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 4096 MB RAM QEMU, Disk: 40GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: CentOS 7.2.1511, Kernel: 3.10.0-123.9.3.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: ext4, Screen Resolution: 1280x1024, System Layer: KVM Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: Yes - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory - Result: IOPS IOPS > Higher Is Better Intel Xeon E5-2680 v3 - Cirrus Logic GD 5446 - QEMU . 861 |====================