A METHOD FOR DETERMINING TRANSITION POINTS ON MULTIPLE PERFORMANCE STATE CAPABLE MICROPROCESSORS

摘要

A method for automatically transitioning a processor to another performance level in a demang-based system. The invention provides for the automatic adjustment of processor frequency while preserving system responsiveness. The performance-level policy algorithm of the present invention detects increased processor utilization quickly enough that tranistion to a higher performance level is comparable to maximum system performance. The performance-level is comparable to maximum system performance. The performance-level policy algorithm of an embodiment of the present invention delays processor transition to a lower performance level so that quick reversals in demand do not precipitate unnecessary transitioning.