A New Method for Determining Fixed Priority Configurations for Real-Time Systems on Multiprocessor Targets
Identifieur interne : 004F00 ( Main/Exploration ); précédent : 004E99; suivant : 004F01A New Method for Determining Fixed Priority Configurations for Real-Time Systems on Multiprocessor Targets
Auteurs : Bernard Chauvière [France] ; Dominique Geniet [France] ; René Schott [France]Source :
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- mix :
Abstract
We present a new method, called PFX, for determining fixed priority configurations on multiprocessor targets. PFX follows an off-line approach: our constructive process uses an inductive analysis of the whole set of possibilities and the exact evolution parameters of tasks instead of response times. Experimentations show that PFX is very efficient on multiprocessor systems and subsumes RM, DM as well as ED, and also found configurations only schedulable by PFX : using RM, DM, ED or LL lead to miss some deadlines !
Url:
Affiliations:
- France
- Grand Est, Lorraine (région), Nouvelle-Aquitaine, Poitou-Charentes
- Nancy, Poitiers
- Institut national polytechnique de Lorraine, Université Nancy 2, Université de Lorraine, Université de Poitiers
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<front><div type="abstract" xml:lang="en">We present a new method, called PFX, for determining fixed priority configurations on multiprocessor targets. PFX follows an off-line approach: our constructive process uses an inductive analysis of the whole set of possibilities and the exact evolution parameters of tasks instead of response times. Experimentations show that PFX is very efficient on multiprocessor systems and subsumes RM, DM as well as ED, and also found configurations only schedulable by PFX : using RM, DM, ED or LL lead to miss some deadlines !</div>
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