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Using Deterministic Replay for Debugging of Distributed Real-Time Systems


Publication Type:

Conference/Workshop Paper




IEEE Computer Society


Cyclic debugging is one of the most important and most commonly used activities in program development. During cyclic debugging, the program is repeatedly re-executed to track down errors when a failure has been observed. This process necessitates reproducible program executions. Applying classical debugging techniques such using breakpoints or single stepping in real-time systems change the temporal behavior and make reproduction of the observed failure during debugging less likely, if not impossible. Consequently, these techniques are not directly applicable for cyclic debugging of real-time systems. In this paper we present a novel software-based approach for cyclic debugging of distributed real-time systems. By on-line recording significant system events, and off-line deterministically replaying them, we can inspect the real-time system in great detail while still preserving its real-time behavior.


author = {Henrik Thane and Hans Hansson},
title = {Using Deterministic Replay for Debugging of Distributed Real-Time Systems},
pages = {265--272},
month = {June},
year = {2000},
publisher = {IEEE Computer Society},
url = {}