PERTS: A prototyping environment for real-time systems

  • Authors:
  • Jane W.S. Liu;Juan Redondo;Zhong Deng;Too Tia;Riccardo Bettati;Ami Silberman;Matthew Storch;Rhan Ha;Wei Shih

  • Affiliations:
  • -;-;-;-;-;-;-;-;-

  • Venue:
  • PERTS: A prototyping environment for real-time systems
  • Year:
  • 1993

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Abstract

PERTS is a prototyping environment for real-time systems. It is being built incrementally and will contain schedulers and resource access protocols for time-critical applications, together with tools and a simulation environment for the analysis, validation, and evaluation of real-time systems built on the scheduling paradigms supported by these building blocks. Specifically, PERTS is designed to support the evaluation of new design approaches, experimentation with alternative scheduling and resource management strategies, and the analysis and performance profiling of the resultant prototype real-time systems. This paper first describes the underlying models of real-time systems supported by PERTS together with its intended use and capabilities. A key component is the schedulability analyzer. The basic version of this system supports the analysis and validation of real-time systems built on the framework of the periodic-task model. This system of tools is now available. Future enhancements of the schedulability analyzer for real-time systems that cannot be characterized by the periodic-task model will make use of several new schedulability conditions and performance bounds.