Real-Time operating systems

  • Authors:
  • Bruno Bouyssounouse;Joseph Sifakis

  • Affiliations:
  • Verimag Laboratory, Centre Equation, Gieres, France;VERIMAG, Centre Équation, Gières, France

  • Venue:
  • Embedded Systems Design
  • Year:
  • 2005

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Abstract

This section is devoted to real-time operating systems (RTOS) for supporting applications with real-time requirements. In these applications, most real-time requirements are derived form the physics of the environment that is being controlled or monitored and this implies that most real-time systems are embedded computer systems, and that an RTOS has to provide facilities for supporting embedded applications. There are many commercial products that can be categorized as an RTOS, even though there is a wide range of products, from very small real-time kernels for small embedded applications with a memory footprint in the few kilobytes range, to the large multipurpose systems controlling a very complex real-time system. Despite this broad range of systems, an RTOS always has the property of being able to provide the required level of service with bounded response times.