NDLI: Failure-dependent execution time analysis

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Failure-dependent execution time analysis

Content Provider	ACM Digital Library
Author	Domis, Dominik Höfig, Kai
Abstract	The growing complexity of safety-critical embedded systems is leading to an increased complexity of safety analysis models. Often used fault tolerance mechanisms have complex failure behavior and produce overhead compared to systems without such mechanisms. The question arises whether the overhead for fault tolerance is acceptable for the increased safety of a system. Manually modeling the timing behavior is cost intensive and error prone. Current approaches of safety analysis and execution time analysis are not able to reflect the timing behavior of complex mechanisms according to failures. In this paper, we describe an approach that combines safety analysis models with execution times to extract different execution times for different failure conditions. This provides a detailed view on the safety behavior in combination with the produced overhead and allows to find and certify appropriate fault tolerance mechanisms.
Starting Page	115
Ending Page	122
Page Count	8
File Format	PDF
ISBN	9781450307246
DOI	10.1145/2000259.2000279
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2011-06-20
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Safety-critical software Safety Worst-case execution time Reliability Hard real time Fault trees
Content Type	Text
Resource Type	Article

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