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Title: A runtime monitoring tool for actor-based systems
Other Titles: Behavioural types : from theory to tools
Authors: Attard, Duncan Paul
Cassar, Ian
Francalanza, Adrian
Aceto, Luca
Ingolfsdottir, Anna
Keywords: Computer software -- Verification
Aspect-oriented programming
Computer software -- Testing
Issue Date: 2017
Publisher: River Publishers
Citation: Attard, D. P., Cassar, I., Francalanza, A., Aceto, L., & Ingólfsdóttir, A. (2017). A runtime monitoring tool for actor-based systems. In S. Gay, A. Ravara (Eds.), Behavioural Types: from Theory to Tools (pp. 49-76). Aalborg: River Publishers.
Abstract: This chapter discusses detectEr, an experimental runtime monitoring tool that can be used to formally verify concurrent systems developed in Erlang. Formal correctness properties in detectEr are expressed using a monitorable subset of Hennessy-Milner Logic with recursion, and synthesised into actor- based runtime monitors. Our exposition focusses on how the specification logic is enriched and extended with pattern-matching and conditional con- structs which allow monitors to be adept at processing the data obtained dynamically from the system’s execution trace. The tool leverages the native tracing functionality provided by the Erlang language platform so as to produce asynchronous monitors that can be instrumented to run alongside the system with minimal effort. To demonstrate how detectEr can be used in practice, this material also provides a hands-on guide that is especially aimed at users wishing to use our tool to monitor Erlang applications.
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