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What is Dispatch latency? |
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The time between when a thread is scheduled and when it begins to execute. Theoretically, in a preemptive OS the dispatch latency for a high-priority thread should be very low. However, in practice preemptive OSs are non-preemptive at times; for example, while running an interrupt handler. The duration of the longest possible non-preemptive interval is said to be the worst-case dispatch latency of an OS.
First answer by Ranger22. Last edit by Ranger22. Contributor trust: 2544 [recommend contributor]. Question popularity: 42 [recommend question]
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