TestWithoutSSDWriteCache Xen HVM domU 4.7.6-6.4.1.xcpng testing on Kali 2019.1 via the Phoronix Test Suite. Test without SSD Write Cache: Processor: 4 x Intel Xeon X5670 (4 Cores), Motherboard: Xen HVM domU (4.7.6-6.4.1.xcpng BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 4096MB, Disk: 77GB, Graphics: bochsdrmfb OS: Kali 2019.1, Kernel: 4.19.0-kali3-amd64 (x86_64), Display Server: X Server 1.20.3, Display Driver: modesetting 1.20.3, Compiler: GCC 8.3.0 + Clang 7.0.1-8, File-System: ext4, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.7.6-6.4.1.xcpng IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better Test without SSD Write Cache . 3169 |========================================== IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better Test without SSD Write Cache . 1810 |========================================== IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better Test without SSD Write Cache . 59.47 |========================================= IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better Test without SSD Write Cache . 68.71 |========================================= IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better Test without SSD Write Cache . 2910 |========================================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better Test without SSD Write Cache . 65.94 |=========================================