Method to distribute periodic task workload

Electrical computers and digital processing systems: virtual mac – Task management or control – Process scheduling

Reexamination Certificate

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C718S100000

Reexamination Certificate

active

07020877

ABSTRACT:
A method to distribute periodic task workload in an information handling system includes distributing processing tasks using a tick interval. A first execution trigger in a service variable may be set at a first multiple of a predetermined tick interval. A second execution trigger may be set at a second multiple of the predetermined tick interval. The second multiple may be greater than and staggered from the first multiple, such that the first and second execution triggers may not both be set during the same tick interval. The service variable may be interrogated at the predetermined tick interval. A first processing task associated with the first execution trigger may be executed in response to detecting that the first execution trigger has been set. A second processing task associated with the second execution trigger may be executed in response to detecting that the second execution trigger has been set.

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“Scheduling of Hard Aperiodic Tasks in Hybrid Static/Dyamic Priority System”, Jongwon Lee et al, Software Research Lab., Korea Seoul, Korea, Department of Computer Engineering, Kyunghee University, Seoul, Korea, ACM SIGPLAN, vol. 30, No. 11, Nov. 1995.
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