/cloud-init.bash
Last active Dec 26, 2017
switch clocksource to tsc on boot - ubuntu 16.04
| ## Step 1) install/ensure sysfsutils is installed | |
| sudo apt-get install sysfsutils | |
| # --------------------------------- | |
| # Manage /sys filesystem. Requires sysfsutils package | |
| ## Turn off THP | |
| sudo tee -a /etc/sysfs.d/thp.conf <<-EOF | |
| kernel/mm/transparent_hugepage/enabled = never | |
| kernel/mm/transparent_hugepage/khugepaged/defrag = 0 | |
| kernel/mm/transparent_hugepage/defrag = never | |
| EOF | |
| ## Set clocksource to tsc to speed everything up https://www.youtube.com/watch?v=agQMFIWr2h4 | |
| sudo tee -a /etc/sysfs.d/clocksource.conf <<-EOF | |
| devices/system/clocksource/clocksource0/current_clocksource = tsc | |
| EOF | |
| # --------------------------------- | |
| sudo systemctl enable sysfsutils.service | |
| sudo systemctl start sysfsutils.service |
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