Operating systems notes
Context Switching & the Dispatcher
How one CPU pauses one thread and resumes another, and what that costs. Every section is a drawn page beside a clear written explanation, about 13 minutes in all.
- Chapter 10 of 37
- About 13 minutes
- 6 sections
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In this chapter
- What a context switch actually is
- Exactly what gets saved and restored
- What triggers a switch
- The dispatcher & dispatch latency
- The cost of switching
- Mode switch vs context switch, and takeaways
Next chapters
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