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Editorial Team
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Asked: 2026-05-26T09:39:50+00:00

My query is regarding engineering the priority value of a process. In my system,

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My query is regarding engineering the priority value of a process. In my system, process A is running in RR at priority 83. Now I have another process B in RR, I want B’s priority to be higher than A (i.e. I want B to be scheduled always compared to A).

To do this, what value should I choose for B. I have read in code that there is a penalty/bonus of 5 depending upon process’s history.

Also, If I choose value 84 Or 85, is there any chance in some situations that my process is ignored.

Please help in engineering this value.

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1 Answer

  1. Editorial Team

    Now I got it. Real time tasks(FF/RR) are not governed by penalty/bonus rules. With O(1) scheduler, task with higher priority will be chosen. In my case process B will be scheduled if its priority is greater than process A.

    Penalty/bonus is for SCHED_OTHER/SCHED_NORMAL.

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