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Performance-aware Scheduling of Multicore Time-critical Systems
Linköping University, Department of Computer and Information Science, Software and Systems. Linköping University, Faculty of Science & Engineering. (RTSLab)
University of Pennsylvania, USA.
Linköping University, Department of Computer and Information Science, Software and Systems. Linköping University, Faculty of Science & Engineering. (RTSLab)
2016 (English)In: / [ed] IEEE, IEEE, 2016, 105-114 p.Conference paper (Refereed)
Abstract [en]

Despite attractiveness of multicore processors for embedded systems, the potential performance gains need to be studied in the context of real-time task scheduling and memory interference. This paper explores performance-aware schedula-bility of multicore systems by evaluating the performance when changing scheduling policies (as design parameters). The modelbased framework we build enables analyzing the performance of multicore time-critical systems using processor-centric and memory-centric scheduling policies. The system architecture we consider consists of a set of cores with a local cache and sharing the cache level L2 and main memory (DRAM). The metrics we use to compare the performance achieved by different configurations of a system are: 1) utilization of the cores; and 2) the maximum delay per access request to shared cache and DRAM. Our framework, realized using UPPAAL, can be viewed as an engineering tool to be used during design stages to identify the scheduling policies that provide better performance for a given system while maintaining system schedulability. As a proof of concept, we analyze and compare 2 different cases studies.

Place, publisher, year, edition, pages
IEEE, 2016. 105-114 p.
National Category
Computer Systems
Identifiers
URN: urn:nbn:se:liu:diva-134019DOI: 10.1109/MEMCOD.2016.7797753ISI: 000392220600014ISBN: 978-1-5090-2791-0 (print)OAI: oai:DiVA.org:liu-134019DiVA: diva2:1066409
Conference
14th ACM-IEEE International Conference on Formal Methods and Models for System Design (MEMOCODE)
Note

Funding agencies: Swedish Governmental Agency for Innovation Systems [NFFP6-2014-00917]

Available from: 2017-01-18 Created: 2017-01-18 Last updated: 2017-02-20

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • 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
  • rtf