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Fault and timing analysis in critical multi-core systems: A survey with an avionics perspective
Saab Aeronaut, Linkoping, Sweden.
Linköping University, Department of Computer and Information Science, Software and Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-1485-0802
2018 (English)In: Journal of systems architecture, ISSN 1383-7621, E-ISSN 1873-6165, Vol. 87, p. 1-11Article, review/survey (Refereed) Published
Abstract [en]

With more functionality added to future safety-critical avionics systems, new platforms are required to offer the computational capacity needed. Multi-core processors offer a potential that is promising, but they also suffer from two issues that are only recently being addressed in the safety-critical contexts: lack of methods for assuring timing determinism, and higher sensitivity to permanent and transient faults due to shrinking transistor sizes. This paper reviews major contributions that assess the impact of fault tolerance on worst-case execution time of processes running on a multi-core platform. We consider the classic approach for analyzing the impact of faults in such systems, namely fault injection. The review therefore explores the area in which timing effects are studied when fault injection methods are used. We conclude that there are few works that address the intricate timing effects that appear when inter-core interferences due to simultaneous accesses of shared resources are combined with fault tolerance techniques. We assess the applicability of the methods to currently available multi-core processors used in avionics. Dark spots on the research map of the integration problem of hardware reliability and timing predictability for multi-core avionics systems are identified.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 87, p. 1-11
National Category
Embedded Systems
Identifiers
URN: urn:nbn:se:liu:diva-149719DOI: 10.1016/j.sysarc.201.8.04.001ISI: 000437078600001OAI: oai:DiVA.org:liu-149719DiVA, id: diva2:1234391
Note

Funding Agencies|Swedish Armed Forces; Swedish Defence Materiel Administration; Swedish Governmental Agency for Innovation Systems [NFFP6-2013-01203, NFFP7-2017-04890]

Available from: 2018-07-24 Created: 2018-07-24 Last updated: 2018-08-14

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