00-INDEX - this file highres.txt - High resolution timers and dynamic ticks design notes hpet.txt - High Precision Event Timer Driver for Linux hrtimers.txt - subsystem for high-resolution kernel timers NO_HZ.txt - Summary of the different methods for the scheduler clock-interrupts management. timekeeping.txt - Clock sources, clock events, sched_clock() and delay timer notes timers-howto.txt - how to insert delays in the kernel the right (tm) way. timer_stats.txt - timer usage statistics