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Old 03-27-2009, 08:33 AM   #1
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Difference between chrt and nice with PREEMPT_RT kernel


Could someone explain to me the difference between using chrt (set realtime priority) and nice when using a PREEMPT_RT kernel?

I've got the impression that setting the real time priority affects how the scheduler shares time between the processes, but how does this compare to the nice level which (to my understanding) should have about the same effect?

I'm interested both in simple and more detailed (tech savvy) answers.

BR, Jaakko


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