System and method for deterministic context switching in a real-time scheduler
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United States of America Patent
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Mar 31, 2015
Grant Date -
Nov 14, 2013
app pub date -
May 9, 2012
filing date -
May 9, 2012
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Abstract
A system and method deterministically switches context in a real-time scheduler to guarantee schedule periodicity. The method includes determining a time slice for each of the plurality of processes. The method includes determining a time slice switch duration between consecutive ones of the time slices. The method includes determining a starting point for each time slice. The method includes generating a schedule as a function of the time slices, the time slice switch durations, and the starting points of the time slices. The schedule includes an order for each of the time slices for a respective one of the plurality of processes. Each of the time slices and each of the time slice switch durations are required to run for their entire duration to guarantee a periodicity of the schedule.
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