Though very Intel specific, a good and fairly in-depth read on Linux kernel and clocksources. Woei!
https://software.intel.com/en-us/blogs/2013/06/20/eliminate-the-dreaded-clocksource-is-unstable-message-switch-to-tsc-for-a-stable
Needed a globally accessible place to jot down notes about books, films, music and the such.
