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A Study on Concurrency Bugs in an Open Source Software

Fulltext:


Publication Type:

Conference/Workshop Paper

Venue:

12th International Conference on Open Source Systems

DOI:

10.1007/978-3-319-39225-7


Abstract

Concurrent programming puts demands on software debugging and testing, as concurrent software may exhibit problems not present in sequential software, e.g., deadlocks and race conditions. In aiming to increase efficiency and effectiveness of debugging and bug-fixing for concurrent software, a deep understanding of concurrency bugs, their frequency and fixing-times would be helpful. Similarly, to design effective tools and techniques for testing and debugging concurrent software understanding the differences between non-concurrency and concurrency bugs in real-word software would be useful. This paper presents an empirical study focusing on understanding the differences and similarities between concurrency bugs and other bugs, as well as the differences among various concurrency bug types in terms of their severity and their fixing time. Our basis is a comprehensive analysis of bug reports covering several generations of an open source software system. The analysis involves a total of 4872 bug reports from the last decade, including 221 reports related to concurrency bugs. We found that concurrency bugs are different from other bugs in terms of their fixing time and their severity. Our findings shed light on concurrency bugs and could thereby influence future design and development of concurrent software, their debugging and testing, as well as related tools.

Bibtex

@inproceedings{Abbaspour Asadollah4360,
author = {Sara Abbaspour Asadollah and Daniel Sundmark and Sigrid Eldh and Hans Hansson and Eduard Paul Enoiu},
title = {A Study on Concurrency Bugs in an Open Source Software},
isbn = {978-3-319-39225-7},
editor = {IFIP},
month = {June},
year = {2016},
booktitle = {12th International Conference on Open Source Systems},
url = {http://www.es.mdh.se/publications/4360-}
}