Physical time:

Precision benchmarking through TSC register   (Intel manual. TSC-related stuff only)

Timers in PCs

Time synchronization and NTP

 

Logical time:

Introduction to logical time (not asked at exam)

   

Suggested exercise:

  • In a Linux machine, try to set-up NTP and configure it. Monitor the synchronization offset over time and evaluate the synchronization accuracy. Repeat both for a just switched-up machine and for a machine up and running since hours.