October 2000
Intermediate to advanced
704 pages
18h 44m
English
Content preview from Solaris™ Internals: Core Kernel ComponentsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 9. The Solaris Kernel Dispatcher
In the previous chapter, we discussed (among other things) the creation and termination of processes and the LWPs and kernel threads within the process. Now we'll talk about what happens in between creation and termination: the scheduling and execution phase, managed by the Solaris kernel dispatcher (a.k.a. scheduler).
The framework on which the Solaris 2.X scheduler is built is rooted in the Unix SVR4 scheduler, which represents a complete rework of the traditional Unix scheduler. The rework incorporated the notion of a scheduling class, which defines the scheduling policies and systemwide priority range for kernel threads in a particular scheduling class. The implementation of dispatcher tables for storing ...
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