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Higher Utilization of Multi-Core Processors in Dynamic Real-Time Software Systems

Thomas Hanti, Michael Ernst, and Andreas Frey
Technische Hochschule Ingolstadt, Esplanade 10, 85049 Ingolstadt
Abstract—The number of functions and complexity in real-time Electric/Electronic systems is constantly increasing. With the ongoing electrification of vehicles an increasing number of software functions is expected to be integrated in the Electric/Electronic systems. In order to provide the necessary calculating power, more and more multi-core processors will be used in Embedded Electronic Control Units. With the rising number of functions on multi-core processors dynamic software systems can help to achieve a more efficient utilization than currently used static system configurations. Therefore the step from static to dynamic system configuration will be the key. Our paper will present the design of a new scheduling approach, the Hierarchical Asynchronous Multi-Core Scheduler (HAMS), for real-time Electronic Control Units. Special strategies for dynamic system design and dynamic software system description will be presented as well as a first evaluation of our design.

Index Terms—real-time scheduling, scheduler design, dynamic scheduling, hierarchical scheduling, asynchronous scheduling, multi-core scheduling, embedded scheduling

Cite: Thomas Hanti, Michael Ernst, and Andreas Frey, "Higher Utilization of Multi-Core Processors in Dynamic Real-Time Software Systems," International Journal of Electrical Energy, Vol. 1, No. 4, pp. 249-255, December 2013. doi: 10.12720/ijoee.1.4.249-255
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