Time is not Enough: Dealing with Behavior in Real-Time Systems
- Ordinez, Leonardo Damian
- Donari Acquaroli, David Raul
- Santos, Rodrigo Martin
- Orozco, Javier Dario
DOIAbstract
In this paper, the Behavioral Importance Priority Server (BIPS) algorithm is proposed to schedule sets of hard/soft real-time tasks. The mechanism postpones or advances the execution of the next instance of a task according to the value obtained from a function properly associated to the behavior of the task; as a consequence, there is a flexible adaptation of the bandwidth required by each server. A synchronization method is introduced to prevent deadlocks and priority inversions in the case of sets of tasks sharing resources along with the necessary and sufficient conditions for the schedulability analysis. A software framework proposing an abstract architecture of a system based on BIPS is also presented. The BIPS software framework inte...
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