MicroC/OS-II: the real-time kernel
MicroC/OS-II: the real-time kernel
Sensitivity Analysis of Real-Time Task Sets
ASIAN '97 Proceedings of the Third Asian Computing Science Conference on Advances in Computing Science
Measuring the Performance of Schedulability Tests
Real-Time Systems
Real-time interfaces for interface-based design of real-time systems with fixed priority scheduling
Proceedings of the 5th ACM international conference on Embedded software
A formal approach to robustness maximization of complex heterogeneous embedded systems
CODES+ISSS '06 Proceedings of the 4th international conference on Hardware/software codesign and system synthesis
DSN '07 Proceedings of the 37th Annual IEEE/IFIP International Conference on Dependable Systems and Networks
Sensitivity analysis of complex embedded real-time systems
Real-Time Systems
Sensitivity analysis for fixed-priority real-time systems
Real-Time Systems
Network calculus: a theory of deterministic queuing systems for the internet
Network calculus: a theory of deterministic queuing systems for the internet
Towards the Design of Certifiable Mixed-criticality Systems
RTAS '10 Proceedings of the 2010 16th IEEE Real-Time and Embedded Technology and Applications Symposium
Enabling parametric feasibility analysis in real-time calculus driven performance evaluation
CASES '11 Proceedings of the 14th international conference on Compilers, architectures and synthesis for embedded systems
CODES+ISSS '11 Proceedings of the seventh IEEE/ACM/IFIP international conference on Hardware/software codesign and system synthesis
Response-Time Analysis for Mixed Criticality Systems
RTSS '11 Proceedings of the 2011 IEEE 32nd Real-Time Systems Symposium
Monitoring Arbitrary Activation Patterns in Real-Time Systems
RTSS '12 Proceedings of the 2012 IEEE 33rd Real-Time Systems Symposium
Efficient Admission Control for Enforcing Arbitrary Real-Time Demand-Curve Interfaces
RTSS '12 Proceedings of the 2012 IEEE 33rd Real-Time Systems Symposium
Sensitivity analysis for arbitrary activation patterns in real-time systems
Proceedings of the Conference on Design, Automation and Test in Europe
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We present a scheme for monitoring activation patterns of multiple tasks in mixed-criticality real-time systems. Unlike previous approaches, which enforce a single pre-defined activation pattern bound per task, we propose a multi-mode approach, where monitors can dynamically switch between different configurations, depending on the observed activation pattern at other tasks. The required configurations are based on real-time interfaces which we determine through sensitivity analysis. In an evaluation we show, that switching between monitor configurations allows to dynamically reassign timing slack between tasks and thereby achieve better resource utilization and still provide the same timing guarantees.