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Support for Hierarchical Scheduling in FreeRTOS
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- Inam, Rafia, 1974- (author)
- Mälardalens högskola,Akademin för innovation, design och teknik,Model-Based Engineering of Embedded Systems (MBEES)
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- Mäki-Turja, Jukka (author)
- Mälardalens högskola,Akademin för innovation, design och teknik,Model-Based Engineering of Embedded Systems (MBEES)
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- Sjödin, Mikael, 1971- (author)
- Mälardalens högskola,Akademin för innovation, design och teknik,Model-Based Engineering of Embedded Systems (MBEES)
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- (creator_code:org_t)
- IEEE conference proceedings, 2011
- 2011
- English.
- In: 2011 IEEE 16TH CONFERENCE ON EMERGING TECHNOLOGIES AND FACTORY AUTOMATION (ETFA). - : IEEE conference proceedings. - 9781457700187 ; , s. 1-10
- Conference paper (peer-reviewed)
Abstract
Subject headings
Close
- This paper presents the implementation of a HierarchicalScheduling Framework (HSF) on an open sourcereal-time operating system (FreeRTOS) to support the temporalisolation between a number of applications, on a single processor.The goal is to achieve predictable integration and reusability ofindependently developed components or applications. We presentthe initial results of the HSF implementation by running it onan AVR 32-bit board EVK1100.The paper addresses the fixed-priority preemptive schedulingat both global and local scheduling levels. It describes the detaileddesign of HSF with the emphasis of doing minimal changes tothe underlying FreeRTOS kernel and keeping its API intact.Finally it provides (and compares) the results for the performancemeasures of idling and deferrable servers with respect to theoverhead of the implementation.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Inbäddad systemteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Embedded Systems (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Datorsystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Computer Systems (hsv//eng)
Keyword
- Real-time systems; hierarchical scheduling framework; fixed-priority scheduling
- Computer Science
- datavetenskap
Publication and Content Type
- ref (subject category)
- kon (subject category)
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