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Investigating Issues in Linux Embedded Systems
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- 1 Intro
- 2 Overview of this session
- 3 When do we observe issues?
- 4 What kind of issues do we observe?
- 5 How to find the root cause?
- 6 Investigation ways - #define DEBUG
- 7 Investigation ways - memtest
- 8 Investigation ways - ftrace
- 9 Investigation ways - perf
- 10 Investigation ways - memory logging example
- 11 Case studies - The USB HID driver cannot work correctly
- 12 Case studies - NFS rootfs cannot work on a new SoC
- 13 Case studies - Kernel panic while data transferring
- 14 Case studies - Probing a device driver fails
- 15 Case studies - Performance issue
- 16 Summary
