cf-alltest KVM testing on Ubuntu 18.04 via the Phoronix Test Suite. Common KVM - Cirrus Logic GD 5446 - QEMU Standard PC: Processor: Common KVM (4 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.9.3-0-ge2fc41e-prebuilt.qemu-project.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 2048MB, Disk: 49GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: Ubuntu 18.04, Kernel: 4.15.0-45-generic (x86_64), Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better Common KVM - Cirrus Logic GD 5446 - QEMU Standard PC . 2325 |================== IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better Common KVM - Cirrus Logic GD 5446 - QEMU Standard PC . 773 |=================== IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better Common KVM - Cirrus Logic GD 5446 - QEMU Standard PC . 82.61 |================= IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better Common KVM - Cirrus Logic GD 5446 - QEMU Standard PC . 73.31 |================= IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better Common KVM - Cirrus Logic GD 5446 - QEMU Standard PC . 2311 |================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better Common KVM - Cirrus Logic GD 5446 - QEMU Standard PC . 81.31 |=================