SIRAP: a synchronization protocol for hierarchical resource sharingin real-time open systems

  • Authors:
  • Moris Behnam;Insik Shin;Thomas Nolte;Mikael Nolin

  • Affiliations:
  • Mälardalen Real-Time Research Centre (MRTC), Västerås, Sweden;Mälardalen Real-Time Research Centre (MRTC), Västerås, Sweden;Mälardalen Real-Time Research Centre (MRTC), Västerås, Sweden;Mälardalen Real-Time Research Centre (MRTC), Västerås, Sweden

  • Venue:
  • EMSOFT '07 Proceedings of the 7th ACM & IEEE international conference on Embedded software
  • Year:
  • 2007

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Abstract

This paper presents a protocol for resource sharing in a hierarchical real-time scheduling framework. Targeting real-time open systems, the protocol and the scheduling framework significantly reduce the efforts and errors associated with integrating multiple semi-independent subsystems on a single processor. Thus, our proposed techniques facilitate modern software development processes, where subsystems are developed by independent teams (or subcontractors) and at a later stage integrated into a single product. Using our solution, a subsystem need not know, and is not dependent on, the timing behaviour of other subsystems; even though they share mutually exclusive resources. In this paper we also prove the correctness of our approach and evaluate its efficiency.