ioz KVM testing on Oracle Linux Server 7.8 via the Phoronix Test Suite. ioz: Processor: Intel Xeon Platinum 8167M (1 Core / 2 Threads), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (0.0.0 BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 15360MB, Disk: 50GB BlockVolume, Graphics: bochsdrmfb, Network: Red Hat Virtio device OS: Oracle Linux Server 7.8, Kernel: 4.14.35-1902.304.6.el7uek.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768, System Layer: KVM IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better ioz . 1581 |=================================================================== IOzone 3.465 Record Size: 1MB - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better ioz . 1331 |=================================================================== IOzone 3.465 Record Size: 1MB - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better ioz . 2558 |=================================================================== IOzone 3.465 Record Size: 2MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better ioz . 2278 |=================================================================== IOzone 3.465 Record Size: 2MB - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better ioz . 4038 |=================================================================== IOzone 3.465 Record Size: 2MB - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better ioz . 5915 |=================================================================== IOzone 3.465 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better ioz . 1822 |=================================================================== IOzone 3.465 Record Size: 4Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better ioz . 1777 |=================================================================== IOzone 3.465 Record Size: 4Kb - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better ioz . 1955 |=================================================================== IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better ioz . 50.39 |================================================================== IOzone 3.465 Record Size: 1MB - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better ioz . 49.53 |================================================================== IOzone 3.465 Record Size: 1MB - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better ioz . 49.08 |================================================================== IOzone 3.465 Record Size: 2MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better ioz . 50.46 |================================================================== IOzone 3.465 Record Size: 2MB - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better ioz . 49.62 |================================================================== IOzone 3.465 Record Size: 2MB - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better ioz . 49.17 |================================================================== IOzone 3.465 Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better ioz . 3.49 |=================================================================== IOzone 3.465 Record Size: 4Kb - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better ioz . 3.46 |=================================================================== IOzone 3.465 Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better ioz . 3.45 |=================================================================== IOzone 3.465 Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better ioz . 5219 |=================================================================== IOzone 3.465 Record Size: 64Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better ioz . 5185 |=================================================================== IOzone 3.465 Record Size: 64Kb - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better ioz . 4749 |=================================================================== IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better ioz . 5261 |=================================================================== IOzone 3.465 Record Size: 2MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better ioz . 5286 |=================================================================== IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better ioz . 1960 |=================================================================== IOzone 3.465 Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better ioz . 38.85 |================================================================== IOzone 3.465 Record Size: 64Kb - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better ioz . 39.39 |================================================================== IOzone 3.465 Record Size: 64Kb - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better ioz . 39.47 |================================================================== IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better ioz . 55.34 |================================================================== IOzone 3.465 Record Size: 2MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better ioz . 55.49 |================================================================== IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better ioz . 3.49 |=================================================================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better ioz . 5077 |=================================================================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better ioz . 39.68 |==================================================================