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Aperiodic tasks - PowerPoint PPT Presentation

Paper Discussion

Paper Discussion

C. L. Liu and James W. Layland , "Scheduling Algorithms for M u ltiprogramming in a Hard-Real-Time Environment", JACM, Vol 20, No. 1, pp. 46--61, 1973

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729 views • 54 slides
Operating Systems

Operating Systems

Fwd. Left. Right. Back. Operating Systems. Allow the processor to perform several tasks at virtually the same time Ex. Web Controlled Car with a camera Car is controlled via the internet Car has its own webserver ( http://mycar/ )

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CSC 714 Projects Spring 2009

CSC 714 Projects Spring 2009

CSC 714 Projects Spring 2009. Migration. Task. P1: Pull Based Migration of Real-Time Tasks in Multi-Core Processors. Real-Time Scheduling on Multi-processors Practical Schedulers Dynamic assignment of tasks to multi-cores Fundamental Premise: tasks can migrate Problem

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SEng 5831: Software Development for Real-Time Systems

SEng 5831: Software Development for Real-Time Systems

SEng 5831: Software Development for Real-Time Systems. Introduction to SEng 5831. Instructors & TA What are embedded systems? What is different? Course structure and topics Materials, assignments, grades Class introductions and interests. Contact Information. Steve Vestal

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SParK: An Integrated Real-Time System

SParK: An Integrated Real-Time System

SParK: An Integrated Real-Time System. Vibhooti Verma 05305016. Outline. Introduction SParK: System Requirements SParK: Design Issues Related Work on Scheduling Our Proposed Modifications to Static & Dynamic Scheduling to consider: Blocking factor Aperiodic tasks

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CENG 522 Advanced Embedded System Design Lecture Theoretical Foundations of RTOS

CENG 522 Advanced Embedded System Design Lecture Theoretical Foundations of RTOS

CENG 522 Advanced Embedded System Design Lecture Theoretical Foundations of RTOS Asst. Prof. Tolga Ayav, Ph.D. Department of Computer Engineering ?zmir Institute of Technology. Task States. Executing Ready Suspended (or blocked) Dormant (or sleeping).

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Clock-driven Static scheduling

Clock-driven Static scheduling

Clock-driven Static scheduling. Basic concepts (1). A periodic task is denoted by {t ai, e i ,p i, D i } where the attributes are arrival time, execution time, period and relative deadline for task i For example {0, 5, 12, 7} means . period. Execution time. deadline. Arrival time.

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197 views • 9 slides

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