kvm-boot1 xen kvm-boot-total: Processor: 2 x Intel Core (Skylake IBRS) (2 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (1.10.2-1ubuntu1 BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 2048MB, Disk: 30GB, Graphics: Red Hat QXL paravirtual graphic card, Audio: QEMU Generic, Network: Red Hat Virtio device OS: Ubuntu 18.04, Kernel: 4.15.0-76-generic (x86_64), Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM ldx-boot-total: Processor: Intel Xeon E3-1220 v5 @ 3.50GHz (4 Cores), Motherboard: Dell 0FRVY0 (2.4.3 BIOS), Chipset: Intel Xeon E3-1200 v5/E3-1500, Memory: 2048MB, Disk: 2 x 1000GB Seagate ST1000NM0085, Graphics: Matrox G200eR2, Monitor: B19-2, Network: 2 x Broadcom NetXtreme BCM5720 PCIe OS: Ubuntu 18.04, Kernel: 4.15.0-76-generic (x86_64), Compiler: GCC 7.4.0, File-System: btrfs, Screen Resolution: 1280x1024, System Layer: lxc xen-boot-total: Processor: 2 x Intel Xeon E3-1220 v5 (2 Cores), Motherboard: Xen HVM domU (4.11.1-7.2 BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 2048MB, Disk: 20GB, Graphics: EFI VGA OS: Ubuntu 18.04, Kernel: 4.15.0-76-generic (x86_64), Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 800x600, System Layer: Xen HVM domU 4.11.1-7.2 xen-boot-total1: Processor: 2 x Intel Xeon E3-1220 v5 (2 Cores), Motherboard: Xen HVM domU (4.11.1-7.2 BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 2048MB, Disk: 20GB, Graphics: EFI VGA OS: Ubuntu 18.04, Kernel: 4.15.0-76-generic (x86_64), Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 800x600, System Layer: Xen HVM domU 4.11.1-7.2 Systemd Total Boot Time Test: Total ms < Lower Is Better kvm-boot-total .. 8461 |============================ ldx-boot-total .. 7999 |========================== xen-boot-total .. 16440 |====================================================== xen-boot-total1 . 16440 |======================================================