Operating systems notes
OS for Engineers: Performance & Debugging
A methodical way to find which of the four resources is choking your system, and the exact tool that proves it. Every section is a drawn page beside a clear written explanation, about 18 minutes in all.
- Chapter 36 of 37
- About 18 minutes
- 8 sections
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In this chapter
- Four resources, one method
- CPU: load average and where the time goes
- Reading top and htop like a pro
- Memory: is it really full?
- Disk I/O: throughput is not latency
- Context switches, interrupts & too many threads
- Tracing and profiling: strace, perf, flame graphs
- The debugging playbook
Next chapters
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DSA comes with the all labs plan and every ChaiCode batch.