Algorithms for Scheduling Imprecise Computations
Computer - Special issue on real-time systems
The Deferrable Server Algorithm for Enhanced Aperiodic Responsiveness in Hard Real-Time Environments
IEEE Transactions on Computers
A hierarchial CPU scheduler for multimedia operating systems
OSDI '96 Proceedings of the second USENIX symposium on Operating systems design and implementation
Overload Management in Real-Time Control Applications Using m,k $(m,k)$-Firm Guarantee
IEEE Transactions on Parallel and Distributed Systems
Scheduling Algorithms for Multiprogramming in a Hard-Real-Time Environment
Journal of the ACM (JACM)
Optimal Reward-Based Scheduling for Periodic Real-Time Tasks
IEEE Transactions on Computers
IEEE Transactions on Computers
A Dynamic Priority Assignment Technique for Streams with (m, k)-Firm Deadlines
IEEE Transactions on Computers
IEEE Transactions on Computers
Real-Time Scheduling of Hierarchical Reward-Based Tasks
RTAS '03 Proceedings of the The 9th IEEE Real-Time and Embedded Technology and Applications Symposium
Scheduling real-time applications in an open environment
RTSS '97 Proceedings of the 18th IEEE Real-Time Systems Symposium
A Fixed-Priority-Driven Open Environment for Real-Time Applications
RTSS '99 Proceedings of the 20th IEEE Real-Time Systems Symposium
A Model of Hierarchical Real-Time Virtual Resources
RTSS '02 Proceedings of the 23rd IEEE Real-Time Systems Symposium
A Hierarchical Extension to the Constant Bandwidth Server Framework
RTAS '01 Proceedings of the Seventh Real-Time Technology and Applications Symposium (RTAS '01)
Resource Partition for Real-Time Systems
RTAS '01 Proceedings of the Seventh Real-Time Technology and Applications Symposium (RTAS '01)
HLS: A Framework for Composing Soft Real-Time Schedulers
RTSS '01 Proceedings of the 22nd IEEE Real-Time Systems Symposium
Periodic Resource Model for Compositional Real-Time Guarantees
RTSS '03 Proceedings of the 24th IEEE International Real-Time Systems Symposium
Compositional Real-Time Scheduling Framework
RTSS '04 Proceedings of the 25th IEEE International Real-Time Systems Symposium
A Framework for Compositional and Hierarchical Real-Time Scheduling
RTCSA '06 Proceedings of the 12th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications
Compositional Analysis Framework Using EDP Resource Models
RTSS '07 Proceedings of the 28th IEEE International Real-Time Systems Symposium
Compositional real-time scheduling framework with periodic model
ACM Transactions on Embedded Computing Systems (TECS)
Hierarchical Scheduling Framework for Virtual Clustering of Multiprocessors
ECRTS '08 Proceedings of the 2008 Euromicro Conference on Real-Time Systems
A Compositional Scheduling Framework for Digital Avionics Systems
RTCSA '09 Proceedings of the 2009 15th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications
Overrun and Skipping in Hierarchically Scheduled Real-Time Systems
RTCSA '09 Proceedings of the 2009 15th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications
Virtual Multiprocessor Platforms: Specification and Use
RTSS '09 Proceedings of the 2009 30th IEEE Real-Time Systems Symposium
Compositional Analysis of Multi-mode Systems
ECRTS '10 Proceedings of the 2010 22nd Euromicro Conference on Real-Time Systems
Hierarchical Real-Time Scheduling Framework for Imprecise Computations
EUC '10 Proceedings of the 2010 IEEE/IFIP International Conference on Embedded and Ubiquitous Computing
RTSS '10 Proceedings of the 2010 31st IEEE Real-Time Systems Symposium
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As the size and complexity of embedded software systems increase, compositional real-time scheduling framework is widely accepted as means to build large and complex systems. A compositional real-time scheduling framework proposes to decompose a system into independent subsystems and provides ways to assemble them into a flexible hierarchical real-time scheduling system while guaranteeing the internal real-time requirements of each subsystem. In this paper, we consider the imprecise reward-based periodic task model in compositional scheduling framework. Thus, we introduce the imprecise periodic resource model to characterize the imprecise resource allocations provided by the system to a single component, and the interface model to abstract the imprecise real-time requirements of the component. The schedulability of mandatory parts is also analyzed to meet the minimum requirement of tasks. Finally, we provide a scheduling algorithm to guarantee a certain amount of reward, which makes it feasible to efficiently compose multiple imprecise components.