A task parameter inference framework for real-time embedded systems

Namyong Jung, Hyeongboo Baek, Jinkyu Lee

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


While recent studies addressed security attacks in real-time embedded systems, most of them assumed prior knowledge of parameters of periodic tasks, which is not realistic under many environments. In this paper, we address how to infer task parameters, from restricted information obtained by simple system monitoring. To this end, we first develop static properties that are independent of inference results and therefore applied only once in the beginning.We further develop dynamic properties each of which can tighten inference results by feeding an update of the inference results obtained by other properties. Our simulation results demonstrate that the proposed inference framework infers task parameters for RM (Rate Monotonic) with reasonable tightness; the ratio of exactly inferred task periods is 95.3% and 65.6%, respectively with low and high task set use. The results also discover that the inference performance varies with the monitoring interval length and the task set use.

Original languageEnglish
Article number116
JournalElectronics (Switzerland)
Issue number2
StatePublished - Feb 2019


  • Real-time embedded systems
  • Real-time scheduling
  • Task parameter inference


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