test02-cache=writeback qemu testing on Debian 9.8 via the Phoronix Test Suite. QEMU HDD - Common KVM: Processor: Common KVM (4 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.11.1-0-g0551a4be2c-prebuilt.qemu-project.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 1 x 4096 MB RAM QEMU, Disk: 107GB QEMU HDD, Graphics: LLVMpipe, Network: Red Hat Virtio device OS: Debian 9.8, Kernel: 4.9.0-8-amd64 (x86_64), OpenGL: 3.0 Mesa 13.0.6 Gallium 0.4 (LLVM 3.9 128 bits), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768, System Layer: qemu AIO-Stress 0.21 Random Write MB/s > Higher Is Better QEMU HDD - Common KVM . 1058 |================================================= SQLite 3.22 Timed SQLite Insertions Seconds < Lower Is Better QEMU HDD - Common KVM . 122.86 |=============================================== FS-Mark 3.3 1000 Files, 1MB Size Files/s > Higher Is Better QEMU HDD - Common KVM . 63.20 |================================================ Dbench 4.0 12 Clients MB/s > Higher Is Better QEMU HDD - Common KVM . 270 |================================================== Dbench 4.0 48 Clients MB/s > Higher Is Better QEMU HDD - Common KVM . 658 |================================================== Dbench 4.0 128 Clients MB/s > Higher Is Better QEMU HDD - Common KVM . 965.76 |=============================================== Dbench 4.0 1 Clients MB/s > Higher Is Better QEMU HDD - Common KVM . 52.58 |================================================ Threaded I/O Tester 20170503 64MB Random Read - 32 Threads MB/s > Higher Is Better QEMU HDD - Common KVM . 63096 |================================================ Threaded I/O Tester 20170503 64MB Random Write - 32 Threads MB/s > Higher Is Better QEMU HDD - Common KVM . 75.48 |================================================ Compile Bench 0.6 Test: Compile MB/s > Higher Is Better QEMU HDD - Common KVM . 847 |================================================== Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better QEMU HDD - Common KVM . 151 |================================================== Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better QEMU HDD - Common KVM . 456 |================================================== Unpacking The Linux Kernel linux-4.15.tar.xz Seconds < Lower Is Better QEMU HDD - Common KVM . 8.30 |================================================= PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better QEMU HDD - Common KVM . 2707 |================================================= Gzip Compression Linux Source Tree Archiving To .tar.gz Seconds < Lower Is Better QEMU HDD - Common KVM . 47.48 |================================================ Apache Benchmark 2.4.29 Static Web Page Serving Requests Per Second > Higher Is Better QEMU HDD - Common KVM . 13145 |================================================