Scheduling and Communication Synthesis for Distributed Real-Time Systems

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Fältnamn	Indikatorer	Metadata
000		03875nam a2200421 4500
001		oai:DiVA.org:liu-23392
003		SwePub
008		091007s2000 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
020		a 9172197765q print
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-233922 URI
040		a (SwePub)liu
041		a engb eng
042		9 SwePub
072	7	a vet2 swepub-contenttype
072	7	a lic2 swepub-publicationtype
100	1	a Pop, Paul,d 1974-u Linköpings universitet,ESLAB - Laboratoriet för inbyggda system,Tekniska högskolan4 aut0 (Swepub:liu)paupo59
245	1 0	a Scheduling and Communication Synthesis for Distributed Real-Time Systems
264	1	a Linköping, Sweden :b Linköpings universitet,c 2000
300		a 116 s.
338		a print2 rdacarrier
490	0	a Linköping Studies in Science and Technology. Thesis,x 0280-7971 ;v 832
520		a Embedded systems are now omnipresent: from cellular phones to pagers, from microwave ovens to PDAs, almost all the devices we use are controlled by embedded systems. Many embedded systems have to fulfill strict requirements in terms of performance and cost efficiency. Emerging designs are usually based on heterogeneous architectures that integrate multiple programmable processors and dedicated hardware components. New tools which extend design automation to system level have to support the integrated design of both the hardware and software components of such systems. This thesis concentrates on aspects of scheduling and communication for embedded real-time systems. Special emphasis has been placed on the impact of the communication infrastructure and protocol on the overall system performance. The scheduling and communication strategies proposed are based on an abstract graph representation which captures, at process level, both the dataflow and the flow of control. We have considered non-preemptive static cyclic scheduling and preemptive scheduling with static priorities for the scheduling of processes, while the communications are statically scheduled according to the time triggered protocol. We have developed static cyclic scheduling algorithms for time-driven systems with control and data dependencies. We show that by considering aspects of the communication protocol, significant improvements can be gained in the schedule quality. In the context of event-driven systems we have proposed a less pessimistic schedulability analysis that is able to handle both control and data dependencies. Moreover, we have provided a schedulability analysis for the time-triggered protocol, and we have proposed several optimization strategies for the synthesis of communication protocol parameters. Extensive experiments as well as real-life examples demonstrate the efficiency of our approaches.
650	7	a NATURVETENSKAPx Data- och informationsvetenskapx Datavetenskap0 (SwePub)102012 hsv//swe
650	7	a NATURAL SCIENCESx Computer and Information Sciencesx Computer Sciences0 (SwePub)102012 hsv//eng
653		a distributed embedded systems
653		a hard real-time systems
653		a time-triggered protocol
653		a scheduling
653		a schedulability analysis
653		a communication synthesis
653		a control dependencies
653		a Computer science
653		a Datavetenskap
700	1	a Eles, Petru,c Professoru Linköpings universitet,ESLAB - Laboratoriet för inbyggda system,Tekniska högskolan4 ths0 (Swepub:liu)petel71
700	1	a Peng, Zebo,c Professoru Linköpings universitet,ESLAB - Laboratoriet för inbyggda system,Tekniska högskolan4 ths0 (Swepub:liu)zebpe83
710	2	a Linköpings universitetb ESLAB - Laboratoriet för inbyggda system4 org
856	4	u http://www.ida.liu.se/labs/eslab/publications/pap/db/lic832pp.pdf
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-23392

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