Poker: Visual Instrumentation of Reactive Programs With Programmable Probes

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Abstract

This paper presents Poker, a visual instrumentation platform for reactive programs. Similar to other platforms, Poker features a visual dashboard that allows the programmer to in- spect the flow of values through the reactive program. The novelty of Poker is that: (a) It features a canvas of so-called probes that can be dynamically wired into a running reactive program in order to instrument the running system. (b) In addition to focusing on the values flowing through the pro- gram, a probe can measure a particular property about the way these values flow through the instrumented program. (c) The set of probes is open because a probe is programmed in the same language as the instrumented program.

Poker is implemented for Stella, an experimental reactive programming language. The paper uses an application written in Stella to motivate the concepts provided by Poker. We show 4 different probes that help us understand the behaviour of the application and we measure the overhead of using Poker on the running application with some preliminary benchmarks.
Original languageEnglish
Title of host publicationREBLS 2021: Proceedings of the 8th ACM SIGPLAN International Workshop on Reactive and Event-Based Languages and Systems, co-located with SPLASH 2021
Place of PublicationChicago, IL, USA
PublisherACM
Pages14-26
Number of pages13
ISBN (Electronic)9781450391085
DOIs
Publication statusPublished - 17 Oct 2021
EventREBLS 2021: 8th Workshop on Reactive and Event-based Languages & Systems - Swissotel Chicago, Chicago, United States
Duration: 17 Oct 202122 Oct 2021
Conference number: 2021
https://2021.splashcon.org/home/rebls-2021

Workshop

WorkshopREBLS 2021: 8th Workshop on Reactive and Event-based Languages & Systems
Abbreviated titleREBLS
CountryUnited States
CityChicago
Period17/10/2122/10/21
Internet address

Keywords

  • Reactive Programming
  • Debugging
  • Instrumentation
  • Visual Programming
  • Actors
  • Reactors

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