Chapter 10. Process Scheduling
Like any time-sharing system, Linux achieves the magical effect of an apparent simultaneous execution of multiple processes by switching from one process to another in a very short time frame. Process switch itself was discussed in Chapter 3; this chapter deals with scheduling, which is concerned with when to switch and which process to choose.
The chapter consists of three parts. The Section 10.1 introduces the choices made by Linux to schedule processes in the abstract. Section 10.2 discusses the data structures used to implement scheduling and the corresponding algorithm. Finally, Section 10.3 describes the system calls that affect process scheduling.
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