Reconfigurable Priority Ceiling Protocol - Under Rate Monotonic Based Real-time Scheduling

Maroua Gasmi, Olfa Mosbahi, Mohamed Salah Khalgui, Luís Filipe dos Santos Gomes

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

5 Citations (Scopus)

Abstract

This research paper deals with reconfigurable real-time systems to be adapted to their environment under userrequirements. A reconfiguration scenario is a run-time software operation that allows the addition, removaland update of real-time OS tasks which can share resources and should meet corresponding deadlines. Wepropose a new Reconfigurable Priority Ceiling Protocol (denoted by RPCP) that avoids deadlocks after anyreconfiguration scenario and changes the priorities of tasks in order to reduce their response and blockingtimes, and to meet their deadlines. This protocol requires the use of two virtual processors in order to guaranteethe non-interruption of execution during the reconfiguration step. We develop a tool that encodes this protocolwhich is applied to a case study.
Original languageEnglish
Title of host publicationICINCO - International Conference on Informatics in Control, Automation and Robotics
Pages42-52
Volume1
DOIs
Publication statusPublished - 2014
EventICINCO2014 - 11th International Conference on Informatics in Control, Automation and Robotics -
Duration: 1 Jan 2014 → …

Conference

ConferenceICINCO2014 - 11th International Conference on Informatics in Control, Automation and Robotics
Period1/01/14 → …

Keywords

  • Priority ceiling protocol
  • Real-time system
  • Reconfiguration
  • Resource sharing
  • Scheduling

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