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Towards Preemption Control Using CPU Frequency Scaling in Sporadic Task Systems
Mälardalen University, School of Innovation, Design and Engineering.ORCID iD: 0000-0002-6355-3564
Mälardalen University, School of Innovation, Design and Engineering.ORCID iD: 0000-0003-4157-3537
Mälardalen University, School of Innovation, Design and Engineering.ORCID iD: 0000-0001-5269-3900
2011 (English)In: SIES 2011 - 6th IEEE International Symposium on Industrial Embedded Systems, Conference Proceedings, Vasteras, 2011, 35-38 p.Conference paper, Published paper (Refereed)
Abstract [en]

Preemptions in real-time systems scheduling typically lead to variations in task execution times, increase the temporal overhead required for various RTOS related operations and may even cause unschedulability.We examine the preemption behavior of sporadic tasks scheduled under the Fixed Priority Scheduling (FPS) policy, and evaluate the possibility of using CPU frequency scaling for preemption control. We propose an online heuristic-based algorithm, of linear complexity, to control the number of preemptions in a sporadic task system using CPU frequency scaling. Evaluation results show that CPU frequency scaling is an attractive option to control the preemption behavior of real-time sporadic task systems.

Place, publisher, year, edition, pages
Vasteras, 2011. 35-38 p.
National Category
Computer and Information Science
Identifiers
URN: urn:nbn:se:mdh:diva-13654DOI: 10.1109/SIES.2011.5953674Scopus ID: 2-s2.0-80051995516ISBN: 978-1-61284-818-1 (print)OAI: oai:DiVA.org:mdh-13654DiVA: diva2:466198
Conference
6th IEEE International Symposium on Industrial Embedded Systems, SIES 2011; Vasteras; 15 June 2011 through 17 June 2011
Available from: 2011-12-15 Created: 2011-12-15 Last updated: 2013-12-03Bibliographically approved

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Thekkilakattil, AbhilashDobrin, RaduPunnekkat, Sasikumar
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CiteExportLink to record
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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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