Book: Systems Performance - Brendan Gregg

Systems Performance: Enterprise and the Cloud 
by Brendan Gregg 
Link: https://amzn.com/0133390098

This is by _far_ my favorite tech book. It covers systems from hardware to process management. It traces the history of OS feature branches and basic algorithmic principles, ex: Big-O notations, etc. This could easily be used as a textbook/reference for a CS course.
