Книга: Embedded Linux Primer: A Practical, Real-World Approach
17.1.3. Linux Scheduling
17.1.3. Linux Scheduling
UNIX and Linux were both designed for fairness in their process scheduling. That is, the scheduler tries its best to allocate available resources across all processes that need the CPU and guarantee each process that they can make progress. This very design objective is counter to the requirement for a real-time process. A real-time process must run as soon as possible after it is ready to run. Real time means having predictable and repeatable latency.
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