An operating system provides 256 fixed priorities to tasks in the system, but only 32 priority levels
Question:
An operating system provides 256 fixed priorities to tasks in the system, but only 32 priority levels for their messages exchanged through message queues. Suppose that each posting task chooses the priority of its messages by mapping the 256 priorities to 32 message - priority levels. Discuss some potential problems associated with this uniform mapping scheme.
What kind of approach would you take?
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Step by Step Answer:
The uniform mapping scheme where 256 fixed priorities are mapped to 32 messagepriority levels may lead to several potential problems Loss of Priority Granularity By mapping a larger range of prioritie...View the full answer
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Related Book For 
Real Time Systems Design And Analysis
ISBN: 9780470768648
4th Edition
Authors: Phillip A. Laplante, Seppo J. Ovaska
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