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Modelling probabilistic timing analysis: work-in-progress

Authors:

Bojan Nokovic,

Emil SekerinskiAuthors Info & Claims

EMSOFT '17: Proceedings of the Thirteenth ACM International Conference on Embedded Software 2017 Companion

Article No.: 4, Pages 1 - 2

https://doi.org/10.1145/3125503.3125566

Published: 15 October 2017 Publication History

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Abstract

We describe the process of calculating the execution time profile (ETP) in order to determine the probabilistic worst case execution time (WCET) using a model-based approach. By hierarchical state machines with probabilistic transitions and costs/reward specifications, we model the instructions with probabilistic execution time. From the model, our tool, pState, generates input code for a probabilistic model checker on which properties can be analysed.

References

[1]

A. Burns and S. Edgar. 2000. Predicting computation time for advanced processor architectures. In Proceedings 12th Euromicro Conference on Real-Time Systems. Euromicro RTS 2000. IEEE Xplore Digital Library, Stockholm, Sweden, 89--96.

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S. Edgar and A. Burns. 2001. Statistical analysis of WCET for scheduling. In Real-Time Systems Symposium, 2001. (RTSS 2001). Proceedings. 22nd IEEE. IEEE Xplore Digital Library, London, UK, 215--224.

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Abella Jaume, Hardy Damien, Puaut Isabelle, Quinones Eduardo, and J. Cazorla Francisco. 2014. On the Comparison of Deterministic and Probabilistic WCET Estimation Techniques. 2014 26th Euromicro Conference on Real-Time Systems (ECRTS) 00 (2014), 266--275.

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Phillip A. Laplante. 1992. Real-Time Systems Design and Analysis: An Engineer's Handbook. IEEE Press, Piscataway, NJ, USA.

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Bojan Nokovic and Emil Sekerinski. 2015. Model-based WCET Analysis with Invariants. In Proceedings of the 15th International Workshop on Automated Verification of Critical Systems (AVoCS 2015), Edinburgh, UK, Sep., 2015 (Electronic Communications of the EASST), Gudmund Grov and Andrew Ireland (Eds.), Vol. 72. Electronic Communications of the EASST, Berlin, Edinburgh, Scotland, UK, 196--210.

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Index Terms

Modelling probabilistic timing analysis: work-in-progress
1. Software and its engineering
  1. Software creation and management
    1. Software verification and validation

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Worst-case execution time (WCET) analysis is one of the major tasks in timing validation of hard real-time systems. In complex systems with real-time operating systems (RTOS), the timing properties of the system are decided by both the applications and ...

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EMSOFT '17: Proceedings of the Thirteenth ACM International Conference on Embedded Software 2017 Companion

October 2017

17 pages

ISBN:9781450351867

DOI:10.1145/3125503

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Association for Computing Machinery

New York, NY, United States

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Published: 15 October 2017

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ESWEEK'17

ESWEEK'17: THIRTEENTH EMBEDDED SYSTEM WEEK

October 15 - 20, 2017

Seoul, Republic of Korea

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A Survey of WCET Analysis of Real-Time Operating Systems

Measurement-Based Probabilistic Timing Analysis and Its Impact on Processor Architecture

WCET Analysis of the mC/OS-II Real-Time Kernel

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A Survey of WCET Analysis of Real-Time Operating Systems

Measurement-Based Probabilistic Timing Analysis and Its Impact on Processor Architecture

WCET Analysis of the mC/OS-II Real-Time Kernel

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