Real-time object-oriented modeling
Real-time object-oriented modeling
Proceedings of the joint conference on Languages, compilers and tools for embedded systems: software and compilers for embedded systems
Scheduling Fixed-Priority Tasks with Preemption Threshold
RTCSA '99 Proceedings of the Sixth International Conference on Real-Time Computing Systems and Applications
Schedulability-aware mapping of real-time object-oriented models to multi-threaded implementations
RTCSA '00 Proceedings of the Seventh International Conference on Real-Time Systems and Applications
RTSS '97 Proceedings of the 18th IEEE Real-Time Systems Symposium
Schedulability Analysis for Automated Implementations of Real-Time Object-Oriented Models
RTSS '98 Proceedings of the IEEE Real-Time Systems Symposium
Scenario-Based Implementation Architecture for Real-Time Object-Oriented Models
WORDS '02 Proceedings of the The Seventh IEEE International Workshop on Object-Oriented Real-Time Dependable Systems (WORDS 2002)
Scalable real-time system design using preemption thresholds
RTSS'10 Proceedings of the 21st IEEE conference on Real-time systems symposium
Optimum: a MARTE-based methodology for schedulability analysis at early design stages
ACM SIGSOFT Software Engineering Notes
MBEERTS'07 Proceedings of the 2007 International Dagstuhl conference on Model-based engineering of embedded real-time systems
Towards a simple meta-model for complex real-time and embedded systems
MEDI'11 Proceedings of the First international conference on Model and data engineering
Model-driven development of reconfigurable mechatronic systems with MECHATRNOIC UML
MDAFA'03 Proceedings of the 2003 European conference on Model Driven Architecture: foundations and Applications
Real-Time scheduling techniques for implementation synthesis from component-based software models
CBSE'05 Proceedings of the 8th international conference on Component-Based Software Engineering
Model-Driven architecture for hard real-time systems: from platform independent models to code
ECMDA-FA'05 Proceedings of the First European conference on Model Driven Architecture: foundations and Applications
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This paper presents our tool set implementation forscenario-based multithreading of object-oriented real-timemodels and an accompanying experimentalvalidation. Our tools enable the automated,schedulability-aware implementation of real-time object-orientedmodels, exploiting an existing CASE tool. Ourimplementation is facilitated by (1) our customized run-timesystem modified to support scenario-based threadexecution, (2) a design model template that centralizes thearrival of external inputs, (3) a model analyzer tool, and(4) a model-specific code modifier tool. Our tools simplifydesign by removing thread-related design concerns fromthe modeling process, separating design andimplementation. We performed validation by conductingexperiments that clearly demonstrate the performanceimprovements that can be gained through our scenario-basedimplementation: response time improvements forhigh priority tasks of as much as 70% and a 5-folddecrease in blocking or the elimination of blocking forsome tasks.