Abstract
The verification of end-to-end response time for distributed hard real-time systems is quite necessary for safety-critical applications. Although current time analysis techniques can precisely analyze the response time, the performance is not quite satisfying, especially for large size distributed systems. This paper presents a novel end-to-end worst-case response time analysis approach for hard real-time distributed systems. This technique is based on the critical instant analysis and the canonical form transformation. It extends the traditional holistic analysis technique by exploiting the precedence relations between tasks on both different processors and the same processor. Simulation results have shown that this algorithm can achieve accurate results and offers good performance for systems with wide range of CPU utilizations and task set size, and therefore is applicable to schedulability analysis of complex distributed systems.
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Wang, L., Zhao, M., Zheng, Z., Wu, Z. (2005). End-To-End Worst-Case Response Time Analysis for Hard Real-Time Distributed Systems. In: Winther, R., Gran, B.A., Dahll, G. (eds) Computer Safety, Reliability, and Security. SAFECOMP 2005. Lecture Notes in Computer Science, vol 3688. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11563228_18
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DOI: https://doi.org/10.1007/11563228_18
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