NDLI: Offsets for scheduling mode changes

Content Provider	IEEE Xplore Digital Library
Author	Real, J. Crespo, A.
Copyright Year	2001
Description	Author affiliation: Dept. of Comput. Eng., Valencia Tech. Univ., Spain (Real, J.)
Abstract	In multi-moded real-time systems there may exist a different set of tasks per mode. During its mission, the system may switch to a new operating mode, which will involve completing running old-mode tasks and starting new-mode tasks. This represents a transient, bounded overload, which may not be schedulable unless some new-mode tasks are delayed until the old-mode load has decreased. Although this idea has already been proposed elsewhere, a method for obtaining the shortest offsets that make a transition schedulable has not yet been devised. The management of shared resources during the transition represents an added problem to tackle. This paper presents a new mode change protocol and an algorithm to calculate the necessary offsets to schedule mode changes according to a set of requirements and in the presence of shared resources.
Starting Page	3
Ending Page	10
File Size	752090
Page Count	8
File Format	PDF
ISBN	0769512216
DOI	10.1109/EMRTS.2001.933989
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-06-13
Publisher Place	The Netherlands
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Protocols Real time systems Delay Switches Scheduling algorithm Testing Processor scheduling Resource management Government
Content Type	Text
Resource Type	Article

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