An Extended Fixed Priority Scheme for Mixed Criticality Systems

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Abstract

This paper considers a novel implementation scheme for fixed priority (FP) uniprocessor scheduling of mixed criticality systems. The scheme requires that jobs have their execution times monitored. If system behavior inconsistent with lower criticality levels is detected during run-time via such monitoring, (i)~tasks of lower criticalities are discarded (this is already done by current FP mixed-criticality scheduling algorithms); em and (ii)~the priorities of the remaining tasks may be re-ordered. Evaluations illustrate the benefits of this scheme.
Original languageEnglish
Title of host publicationWorkshop on Real-Time Mixed Criticality Systems (ReTiMics)
EditorsL. George, G. Lipari
Pages18-24
Number of pages7
Publication statusPublished - Aug 2013
EventRTCSA’2013: the 19th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications - Taipei, Taiwan
Duration: 21 Aug 201321 Aug 2013

Conference

ConferenceRTCSA’2013: the 19th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications
Country/TerritoryTaiwan
CityTaipei
Period21/08/1321/08/13

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