fiofio Xen HVM domU 4.14.0 testing on Ubuntu 16.04 via the Phoronix Test Suite. Intel Atom C2750 - Cirrus Logic GD 5446 - Xen HVM: Processor: Intel Atom C2750 (4 Cores), Motherboard: Xen HVM domU v4.14.0, Chipset: Intel 440FX 82441FX PMC, Memory: 1 x 3996 MB RAM, Disk: 23GB, Graphics: Cirrus Logic GD 5446 OS: Ubuntu 16.04, Kernel: 4.4.0-119-generic (x86_64), Vulkan: 1.0.61, Compiler: GCC 5.4.0 20160609, File-System: ext4, System Layer: Xen HVM domU 4.14.0 Flexible IO Tester 3.25 Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Intel Atom C2750 - Cirrus Logic GD 5446 - Xen HVM . 23.9 |===================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Intel Atom C2750 - Cirrus Logic GD 5446 - Xen HVM . 6115 |===================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Intel Atom C2750 - Cirrus Logic GD 5446 - Xen HVM . 23.7 |===================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Intel Atom C2750 - Cirrus Logic GD 5446 - Xen HVM . 6057 |===================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Intel Atom C2750 - Cirrus Logic GD 5446 - Xen HVM . 50.5 |===================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Intel Atom C2750 - Cirrus Logic GD 5446 - Xen HVM . 12933 |==================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Intel Atom C2750 - Cirrus Logic GD 5446 - Xen HVM . 50.3 |===================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Intel Atom C2750 - Cirrus Logic GD 5446 - Xen HVM . 12833 |====================