Linux Kernel Boot Time On Ubuntu
Tests for a future article on Phoronix.com.


Linux 4.6: 

	Processor: Intel Core i7-5600U @ 3.20GHz (2 Cores / 4 Threads), Motherboard: LENOVO 20BSCTO1WW, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 128GB SAMSUNG MZNTE128, Graphics: Intel HD 5500 3072MB (950MHz), Audio: Intel Broadwell-U Audio, Network: Intel Connection + Intel Wireless 7265

	OS: Ubuntu 17.10, Kernel: 4.6.0-040600-generic (x86_64), Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 4.5 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1920x1080

Linux 4.7: 

	Processor: Intel Core i7-5600U @ 3.20GHz (2 Cores / 4 Threads), Motherboard: LENOVO 20BSCTO1WW, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 128GB SAMSUNG MZNTE128, Graphics: Intel HD 5500 3072MB (950MHz), Audio: Intel Broadwell-U Audio, Network: Intel Connection + Intel Wireless 7265

	OS: Ubuntu 17.10, Kernel: 4.7.0-040700-generic (x86_64), Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 4.5 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1920x1080

Linux 4.8: 

	Processor: Intel Core i7-5600U @ 3.20GHz (2 Cores / 4 Threads), Motherboard: LENOVO 20BSCTO1WW, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 128GB SAMSUNG MZNTE128, Graphics: Intel HD 5500 3072MB (950MHz), Audio: Intel Broadwell-U Audio, Network: Intel Connection + Intel Wireless 7265

	OS: Ubuntu 17.10, Kernel: 4.8.0-040800-generic (x86_64), Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 4.5 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1920x1080

Linux 4.9: 

	Processor: Intel Core i7-5600U @ 3.20GHz (2 Cores / 4 Threads), Motherboard: LENOVO 20BSCTO1WW, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 128GB SAMSUNG MZNTE128, Graphics: Intel HD 5500 3072MB (950MHz), Audio: Intel Broadwell-U Audio, Network: Intel Connection + Intel Wireless 7265

	OS: Ubuntu 17.10, Kernel: 4.9.0-040900-generic (x86_64), Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 4.5 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1920x1080

Linux 4.10: 

	Processor: Intel Core i7-5600U @ 3.20GHz (2 Cores / 4 Threads), Motherboard: LENOVO 20BSCTO1WW, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 128GB SAMSUNG MZNTE128, Graphics: Intel HD 5500 3072MB (950MHz), Audio: Intel Broadwell-U Audio, Network: Intel Connection + Intel Wireless 7265

	OS: Ubuntu 17.10, Kernel: 4.10.0-041000-generic (x86_64), Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 4.5 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1920x1080

Linux 4.11: 

	Processor: Intel Core i7-5600U @ 3.20GHz (2 Cores / 4 Threads), Motherboard: LENOVO 20BSCTO1WW, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 128GB SAMSUNG MZNTE128, Graphics: Intel HD 5500 3072MB (950MHz), Audio: Intel Broadwell-U Audio, Network: Intel Connection + Intel Wireless 7265

	OS: Ubuntu 17.10, Kernel: 4.11.0-041100-generic (x86_64), Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 4.5 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1920x1080

Linux 4.12: 

	Processor: Intel Core i7-5600U @ 3.20GHz (2 Cores / 4 Threads), Motherboard: LENOVO 20BSCTO1WW, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 128GB SAMSUNG MZNTE128, Graphics: Intel HD 5500 3072MB (950MHz), Audio: Intel Broadwell-U Audio, Network: Intel Connection + Intel Wireless 7265

	OS: Ubuntu 17.10, Kernel: 4.12.0-041200-generic (x86_64), Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 4.5 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1920x1080

Linux 4.13: 

	Processor: Intel Core i7-5600U @ 3.20GHz (2 Cores / 4 Threads), Motherboard: LENOVO 20BSCTO1WW, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 128GB SAMSUNG MZNTE128, Graphics: Intel HD 5500 3072MB (950MHz), Audio: Intel Broadwell-U Audio, Network: Intel Connection + Intel Wireless 7265

	OS: Ubuntu 17.10, Kernel: 4.13.0-041300-generic (x86_64), Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 4.5 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1920x1080

Linux 4.14: 

	Processor: Intel Core i7-5600U @ 3.20GHz (2 Cores / 4 Threads), Motherboard: LENOVO 20BSCTO1WW, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 128GB SAMSUNG MZNTE128, Graphics: Intel HD 5500 3072MB (950MHz), Audio: Intel Broadwell-U Audio, Network: Intel Connection + Intel Wireless 7265

	OS: Ubuntu 17.10, Kernel: 4.14.0-041400-generic (x86_64), Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 4.5 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1920x1080

Linux 4.15 Git: 

	Processor: Intel Core i7-5600U @ 3.20GHz (2 Cores / 4 Threads), Motherboard: LENOVO 20BSCTO1WW, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 128GB SAMSUNG MZNTE128, Graphics: Intel HD 5500 3072MB (950MHz), Audio: Intel Broadwell-U Audio, Network: Intel Connection + Intel Wireless 7265

	OS: Ubuntu 17.10, Kernel: 4.14.0-999-generic (x86_64) 20171118, Desktop: GNOME Shell 3.26.1, Display Server: Wayland, OpenGL: 4.5 Mesa 17.2.2, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1920x1080


Systemd Total Boot Time
Test: Total
ms < Lower Is Better
Linux 4.6 ...... 33730 |==================================================
Linux 4.7 ...... 36280 |======================================================
Linux 4.8 ...... 36480 |=======================================================
Linux 4.9 ...... 35070 |====================================================
Linux 4.10 ..... 35320 |=====================================================
Linux 4.11 ..... 33030 |=================================================
Linux 4.12 ..... 36800 |=======================================================
Linux 4.13 ..... 34330 |===================================================
Linux 4.14 ..... 35140 |=====================================================
Linux 4.15 Git . 32370 |================================================


Systemd Total Boot Time
Test: Kernel
ms < Lower Is Better
Linux 4.6 ...... 3090 |========================================
Linux 4.7 ...... 3890 |==================================================
Linux 4.8 ...... 3580 |==============================================
Linux 4.9 ...... 3160 |========================================
Linux 4.10 ..... 3220 |=========================================
Linux 4.11 ..... 2780 |====================================
Linux 4.12 ..... 4370 |========================================================
Linux 4.13 ..... 2800 |====================================
Linux 4.14 ..... 2670 |==================================
Linux 4.15 Git . 2730 |===================================


Systemd Total Boot Time
Test: Loader
ms < Lower Is Better
Linux 4.6 ...... 3930 |==============================
Linux 4.7 ...... 3500 |===========================
Linux 4.8 ...... 6660 |===================================================
Linux 4.9 ...... 5220 |========================================
Linux 4.10 ..... 3530 |===========================
Linux 4.11 ..... 3220 |=========================
Linux 4.12 ..... 3880 |==============================
Linux 4.13 ..... 3460 |==========================
Linux 4.14 ..... 7320 |========================================================
Linux 4.15 Git . 3490 |===========================


Systemd Total Boot Time
Test: Firmware
ms < Lower Is Better
Linux 4.6 ...... 4740 |======================================================
Linux 4.7 ...... 4730 |======================================================
Linux 4.8 ...... 4740 |======================================================
Linux 4.9 ...... 4820 |=======================================================
Linux 4.10 ..... 4740 |======================================================
Linux 4.11 ..... 4770 |=======================================================
Linux 4.12 ..... 4880 |========================================================
Linux 4.13 ..... 4820 |=======================================================
Linux 4.14 ..... 3760 |===========================================
Linux 4.15 Git . 4830 |=======================================================


Systemd Total Boot Time
Test: Userspace
ms < Lower Is Better
Linux 4.6 ...... 21940 |==================================================
Linux 4.7 ...... 24140 |=======================================================
Linux 4.8 ...... 21470 |=================================================
Linux 4.9 ...... 21860 |==================================================
Linux 4.10 ..... 23810 |======================================================
Linux 4.11 ..... 22250 |===================================================
Linux 4.12 ..... 23660 |======================================================
Linux 4.13 ..... 23240 |=====================================================
Linux 4.14 ..... 21370 |=================================================
Linux 4.15 Git . 21310 |=================================================