Model-Based generation of run-time monitors for AUTOSAR
ECMFA'13 Proceedings of the 9th European conference on Modelling Foundations and Applications
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This paper presents the design and implementation of an error detection service for multicore real-time in-vehicle embedded systems. The service aims at monitoring the data flows in a graph of communicating real-time tasks and detecting violation of the expected communication patterns. The service is not based on any specific system model. The monitors are automatically generated from formal models of the monitored system and the expected communication patterns. To minimize the time overhead of the service, the monitors are embedded in the RTOS kernel. The implementation targets an AUTOSAR-like platform based on the open-source RTOS Trampoline. Measures made on an ARM7 MCU show that the time and memory overheads are compatible with the stringent constraints of the application domain.