fio_rr_paio_nobuf_yesdir_4kblk qemu testing on Ubuntu 20.10 via the Phoronix Test Suite. QEMU HDD: Processor: Common KVM (2 Cores), Motherboard: QEMU Standard PC (Q35 + ICH9 2009) (0.0.0 BIOS), Chipset: Intel 82G33/G31/P35/P31 + ICH9, Memory: 1 x 16384 MB RAM QEMU, Disk: 34GB QEMU HDD, Graphics: Gigabyte NVIDIA GeForce GTX 760 4GB, Audio: Intel 82801I, Network: Red Hat Virtio device OS: Ubuntu 20.10, Kernel: 5.8.0-33-generic (x86_64), Desktop: GNOME Shell 3.38.1, Display Server: X Server 1.20.9, Display Driver: modesetting 1.20.9, Vulkan: 1.2.142, Compiler: GCC 10.2.0, File-System: ext4, Screen Resolution: 800x600, System Layer: qemu Flexible IO Tester 3.25 Type: Random Read - Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better QEMU HDD . 31.3 |============================================================== Flexible IO Tester 3.25 Type: Random Read - Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better QEMU HDD . 8009 |==============================================================