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The GNU/Linux operating system (OS) is becoming more commonly used in real-time systems and has been modified with specific updates to provide faster and bounded response times as well as with fixed- and dynamic-priority real-time scheduling mechanisms. While the EDF-based scheduler ensures deadlines and temporal isolation for real-time tasks, it may not provide the level of determinism needed for modern applications that also have to consider complex jitter and multi-rate task dependencies.
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Karachatzis et al. (2023) studied this question.