EC2 Linux Boot Times Xen HVM domU 4.2.amazon testing on Clear Linux OS 19300 via the Phoronix Test Suite. Clear Linux: Processor: Intel Xeon E5-2666 v3 @ 2.90GHz (8 Cores / 16 Threads), Motherboard: Xen HVM domU, Chipset: Intel 440FX- 82441FX PMC, Memory: 30720MB, Disk: 10GB, Graphics: Cirrus Logic GD 5446 OS: Clear Linux OS 19300, Kernel: 4.13.12-56.aws (x86_64), Vulkan: 1.0.39, Compiler: GCC 7.2.1 20170910 + Clang 5.0.0 + LLVM 5.0.0, File-System: ext4, System Layer: Xen HVM domU 4.2.amazon Systemd Total Boot Time Test: Userspace ms < Lower Is Better Clear Linux . 324.10 |========================================================= Systemd Total Boot Time Test: Kernel ms < Lower Is Better Clear Linux . 239.30 |========================================================= Systemd Total Boot Time Test: Total ms < Lower Is Better Clear Linux . 563.50 |=========================================================