aio qemu testing on Debian 9.3 via the Phoronix Test Suite. QEMU HDD: Processor: Common KVM @ 3.39GHz (8 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 8192MB, Disk: 215GB QEMU HDD, Graphics: bochsdrmfb, Network: Red Hat Virtio device OS: Debian 9.3, Kernel: 4.9.0-4-amd64 (x86_64), Desktop: GNOME Shell 3.22.3, Display Driver: modesetting 1.19.2, Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768, System Layer: qemu AIO-Stress 0.21 Test: Random Write MB/s > Higher Is Better QEMU HDD . 1054.78 |===========================================================