METHOD OF SETTING PRIORITY LEVELS IN A MULTIPROGRAMMING COMPUTER SYSTEM WITH PRIORITY SCHEDULING, MULTIPROGRAMMING COMPUTER SYSTEM AND PROGRAM THEREFOR

摘要

A method for setting priority levels in a multiprogramming computer system (1)with priority scheduling, in which threads (15, 16, 17) of execution of eachprocess (13, 14) have a standard priority level, comprises measuring relativeuse of one or more processors (2) in the system (1) by the threads (15, 16,17) of execution of a process (13, 14). The priority levels of one or morethreads (15, 16, 17) of execution are lowered if their measured relative useexceeds a certain escalation threshold for the duration of an escalation timeperiod (.DELTA.T1.