Updating real-time system software is often needed in response to errors and added requirements to the software. Stopping a running application, updating the software, and then restarting the application is not suitable for systems with high availability requirements. On the other hand, dynamically updating a system may increase the execution time of the tasks, thus, degrading the performance of the system. Degradation is not acceptable for performancecritical real-time systems as there are strict requirements on the performance. In this paper we present an approach that enables dynamic reconfiguration of a real-time system, where the performance of the system during a reconfiguration satisfies a given worst-case performance specification. Evaluation shows that the presented method is efficient in guaranteeing the worst-case performance of dynamically reconfigurable firm real-time systems.
Citation:
Mehdi Amirijoo, Aleksandra Tesanovic, Torgny Andersson, Jorgen Hansson, Sang H. Son, "Finite Horizon QoS Prediction of Reconfigurable Firm Real-Time Sytems," rtcsa, pp.233-241, 12th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA'06), 2006