Non-intrusive on-the-fly data race detection using execution replay

Details Non-intrusive on-the-fly data race detection using execution replay Non-intrusive on-the-fly data race detection using execution replay

2000-11-06

arxiv.org/abs/cs/0011005v1

Computer Science

Software Engineering

In M. Ducasse (ed), proceedings of the Fourth International Workshop on Automated Debugging (AAdebug 2000), August 2000, Munic

Scientific paper

This paper presents a practical solution for detecting data races in parallel programs. The solution consists of a combination of execution replay (RecPlay) with automatic on-the-fly data race detection. This combination enables us to perform the data race detection on an unaltered execution (almost no probe effect). Furthermore, the usage of multilevel bitmaps and snooped matrix clocks limits the amount of memory used. As the record phase of RecPlay is highly efficient, there is no need to switch it off, hereby eliminating the possibility of Heisenbugs because tracing can be left on all the time.

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