pts-disk KVM testing on Ubuntu 20.04 via the Phoronix Test Suite. QEMU HDD: Processor: Common KVM (1 Core), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 1024MB, Disk: 9GB QEMU HDD, Graphics: bochs-drmdrmfb, Monitor: QEMU Monitor, Network: Red Hat Virtio device OS: Ubuntu 20.04, Kernel: 5.4.0-42-generic (x86_64), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM SQLite 3.30.1 Timed SQLite Insertions Seconds < Lower Is Better QEMU HDD . 54.79 |============================================================= Flexible IO Tester 3.18 Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better QEMU HDD . 112 |=============================================================== Flexible IO Tester 3.18 Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better QEMU HDD . 53 |================================================================ Flexible IO Tester 3.18 Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better QEMU HDD . 104 |=============================================================== Flexible IO Tester 3.18 Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better QEMU HDD . 26700 |============================================================= Flexible IO Tester 3.18 Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better QEMU HDD . 107 |=============================================================== Flexible IO Tester 3.18 Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better QEMU HDD . 50 |================================================================ Flexible IO Tester 3.18 Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better QEMU HDD . 59.9 |============================================================== Flexible IO Tester 3.18 Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better QEMU HDD . 15333 |============================================================= Flexible IO Tester 3.18 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better QEMU HDD . 112 |=============================================================== Flexible IO Tester 3.18 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better QEMU HDD . 53 |================================================================ Flexible IO Tester 3.18 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better QEMU HDD . 105 |=============================================================== Flexible IO Tester 3.18 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better QEMU HDD . 26933 |============================================================= Flexible IO Tester 3.18 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better QEMU HDD . 114 |=============================================================== Flexible IO Tester 3.18 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better QEMU HDD . 53 |================================================================ Flexible IO Tester 3.18 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better QEMU HDD . 73.8 |============================================================== Flexible IO Tester 3.18 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better QEMU HDD . 18900 |=============================================================