Flexible spin-lock model for resource sharing in multiprocessor real-time systems

S. Afshar, M. Behnam, R.J. Bril, T. Nolte

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

7 Citations (Scopus)

Abstract

Various approaches can be utilized upon resource locking for mutually exclusive resource access in multiprocessor platforms. So far two conventional approaches exist for dealing with tasks that are blocked on a global resource in a multi-processor platform. Either the blocked task performs a busy wait, i.e. spins, at the highest priority level until the resource is released, or it is suspended. Although both approaches provide mutually exclusive access to resources, they can introduce long blocking delays to tasks, which may be unacceptable for many industrial applications. In this paper, we propose a general spin-based model for resource sharing in multiprocessor platforms in which the priority of the blocked tasks during spinning can be selected arbitrarily. Moreover, we provide the analysis for two selected spin-lock priorities and we show by means of a general comparison as well as specific examples that these solutions may provide a better performance for higher priority tasks.
Original languageEnglish
Title of host publication9th IEEE International Symposium on Industrial Embedded Systems (SIES'14, Pisa, Italy, June 18-20, 2014))
PublisherInstitute of Electrical and Electronics Engineers
Pages41-51
DOIs
Publication statusPublished - 2014
Event9th IEEE International Symposium on Industrial Embedded Systems (SIES 2014), June 18-20, 2014, Pisa, Italy - Pisa, Italy
Duration: 18 Jun 201420 Jun 2014
http://retis.sssup.it/sies2014/

Conference

Conference9th IEEE International Symposium on Industrial Embedded Systems (SIES 2014), June 18-20, 2014, Pisa, Italy
Abbreviated titleSIES 2014
Country/TerritoryItaly
CityPisa
Period18/06/1420/06/14
Internet address

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