Quote: use efficient, trigger states and timing wheels for soft timers; end of system call, end of exception handler, end of interrupt handler, idle loop

Quotation Skeleton

The key idea behind soft timers is as … can be invoked with minimal overhead. Examples of … -- at the end of executing an exception … [e.g., page fault] … -- at the end of executing an interrupt … --whenever a CPU is executing the idle loop. … The maximal delay experienced by a soft-time event … [typically 1 msec] … [footnote] A modified form of timing wheels [Varghese and Lauck 1987] is used to maintain scheduled soft-timer events … . [p. 203] [achieved] a mean delay of 31.6 …   Google-1   Google-2

Copyright clearance needed for quotation.

Related Topics

Topic: task scheduling (49 items)
Topic: interrupts (25 items)