Fitting an EDF based Scheduling Approach to Componentised Real(-Time) Systems

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Petters, Stefan; Lawitzky, Martin; Elphinstone, Kevin; Heffernan, Ryan

Petters, Stefan; Lawitzky, Martin; Elphinstone, Kevin; Heffernan, Ryan


2008-11-30


Conference Material


RTSS (Real Time Systems Symposium)


Barcelona, Spain


Componentised systems, in particular those with fault confinement through address spaces, are currently emerging as a hot topic in systems research. This paper extends the unified rate-based scheduling framework RBED in several dimensions to fit the requirements of such systems. First, we have removed the requirement of the deadline of a task being equal to its period. Second, we introduce inter-process communication and end-to-end deadlines, reflecting the need to communicate and avoid fragmentation of the system through deadline partitioning. Additionally we also discuss server tasks, general I/O management, budget replenishment and low level details to deal with the physical reality of real systems work.


IEEE CS Press


Real-Time, Scheduling, Operating System, Real-Time Analysis


nicta:979


Petters, Stefan; Lawitzky, Martin; Elphinstone, Kevin; Heffernan, Ryan. Fitting an EDF based Scheduling Approach to Componentised Real(-Time) Systems. In: Steve Goddard Editor, editor/s. RTSS (Real Time Systems Symposium); Barcelona, Spain. IEEE CS Press; 2008-11-30.



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