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Conference Papers Year : 2020

Progress-aware Dynamic Slack Exploitation in Mixed-critical Systems: Work-in-Progress

Abstract

Mixed-critical systems consist of high criticality and low criticality applications. When a high criticality task exceeds its less pessimistic Worst Case Execution Time (WCET), the system switches mode and low criticality tasks are usually dropped. To postpone mode switch, existing approaches explore the slack, created dynamically due to an actual execution of a task that is faster than its WCET. However, the slack is visible only after the task has finished. To further enable dynamic slack exploitation, we propose a fine-grained approach that exposes the slack created due to the progress of tasks, during execution, and safely uses it to postpone mode switch.
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Dates and versions

hal-03125812 , version 1 (01-02-2021)

Identifiers

  • HAL Id : hal-03125812 , version 1

Cite

Angeliki Kritikakou, Stefanos Skalistis. Progress-aware Dynamic Slack Exploitation in Mixed-critical Systems: Work-in-Progress. EMSOFT 2020 - International Conference on Embedded Software, Sep 2020, Hamburg / Virtual, Germany. pp.1-3. ⟨hal-03125812⟩
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