n processes are time-sharing the CPU. The average total CPU time is T. The time quantum is Q. The context switching overhead is S. Determine the fraction of CPU time wasted on context switching for the following cases: T < Q T >> Q Q approaches 0 Under what condition will the wasted fraction of CPU time by 50%?

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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n processes are time-sharing the CPU. The average total CPU time is T. The time quantum is Q. The context switching overhead is S. Determine the fraction of CPU time wasted on context switching for the following cases:

  1. T < Q

  2. T >> Q

  3. Q approaches 0

  4. Under what condition will the wasted fraction of CPU time by 50%?

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