Mobility

Adaptive TDMA Bus Allocation and Elastic Scheduling: A Unified Approach for Enhancing Robustness in Multi-Core RT Systems

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Executive Summary

Next-generation real-time systems will be increasingly based on heterogeneous MPSoC design paradigms, where predictability and performance will be key issues to deal with. Such issues can be tackled both at the hardware level, by embedding technologies such as TDMA busses, and at the OS level, where suitable scheduling techniques can improve performance and reduce energy consumption. Among these, elastic scheduling has been proved to provide satisfactory results by dynamically reducing task periods at run-time to ensure the highest utilization possible of the processors. On the other hand, elastic scheduling lowers the degree of predictability and increases the complexity of the analysis at the system level.

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