Proceedings of the 29th annual ACM/IEEE international symposium on Microarchitecture
Proceedings of the ACM SIGPLAN 1999 conference on Programming language design and implementation
Residual test coverage monitoring
Proceedings of the 21st international conference on Software engineering
Interprocedural Path Profiling
CC '99 Proceedings of the 8th International Conference on Compiler Construction, Held as Part of the European Joint Conferences on the Theory and Practice of Software, ETAPS'99
Extending Path Profiling across Loop Backedges and Procedure Boundaries
Proceedings of the international symposium on Code generation and optimization: feedback-directed and runtime optimization
Preferential path profiling: compactly numbering interesting paths
Proceedings of the 34th annual ACM SIGPLAN-SIGACT symposium on Principles of programming languages
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Software testing is extensively used for uncovering bugs in large, complex software. Testing relies on well designed regression test suites that anticipate all reasonable software usage scenarios. Unfortunately, testers today have no way of knowing how much of real-world software usage was untested by their regression suite. Recent advances in low-overhead path profiling provide the opportunity to rectify this deficiency and perform residual path profiling on deployed software. Residual path profiling identifies all paths executed by deployed software that were untested during software development. We extend prior research to perform low-overhead interprocedural path profiling. We demonstrate experimentally that low-overhead path profiling, both intraprocedural and interprocedural, provides valuable quantitative information on testing effectiveness. We also show that residual edge profiling is inadequate as a significant number of untested paths include no new untested edges.