NDLI: Starting conditions for post-mortem debugging using deterministic replay of real-time systems

Content Provider	IEEE Xplore Digital Library
Author	Huselius, J. Sundmark, D. Thane, H.
Copyright Year	2003
Description	Author affiliation: Dept. of Comput. Sci. & Eng., Malardalen Univ., Vasteras, Sweden (Huselius, J.; Sundmark, D.; Thane, H.)
Abstract	Repeatable executions are required in order to successfully debug a computer system. However, for real-time systems, interactions with the environment and race conditions in the execution of multitasking real-time systems software make reproducible behavior difficult to achieve. Earlier work on debugging of real-time software has established the use of a deterministic replay, a record/replay solution, as a viable approach to reproduce executions. When combining the deterministic replay approach with infinite loop recorders (similar to black-box recorders in airplanes) for post-mortem debugging, it is essential that the recordings are sufficiently long and detailed in order to be able to re-execute the system. Basis problems however, are how to find a well-defined starting point within the recording, and how to find a reachable state in the rebooted/restarted system to match that instance? Previous work has not presented solutions to these fundamental problems, in this paper we do. We also present some implementation details from an industrial case study.
Sponsorship	Euromicro
Starting Page	177
Ending Page	184
File Size	293152
Page Count	8
File Format	PDF
ISBN	0769519369
DOI	10.1109/EMRTS.2003.1212741
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-07-02
Publisher Place	Portugal
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Real time systems Software debugging Computer bugs Airplanes Computer science Multitasking System software System testing Embedded system Service robots
Content Type	Text
Resource Type	Article

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