Affiliation:
1. Politecnico di Torino, Torino - Italy
2. Leonardo-Finmeccanica, Torino - Italy
Abstract
This article proposes a bounded interference method, based on statistical evaluations, for online detection and tolerance of any fault capable of causing a deadline miss. The proposed method requires data that can be gathered during the profiling and worst-case execution time (WCET) analysis phase. This article describes the method, its application, and then it presents an avionic mixed-criticality use case for experimental evaluation, considering both dual-core and quad-core platforms. Results show that faults that can cause a timing violation are correctly identified while other faults that do not introduce a significant temporal interference can be tolerated to avoid high recovery overheads.
Funder
ECSEL Joint Undertaking project in the Innovation Pilot Programme “Computing platforms for embedded systems”
Publisher
Association for Computing Machinery (ACM)
Subject
Hardware and Architecture,Software
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