Chapter 5. Debugging, Tracing, and Profiling

In this chapter, we will cover the following recipes:

  • Analyzing core dumps
  • Native GDB debugging
  • Cross GDB debugging
  • Using strace for application debugging
  • Using the kernel's performance counters
  • Using static kernel tracing
  • Using dynamic kernel tracing
  • Using dynamic kernel events
  • Exploring Yocto's tracing and profiling tools
  • Tracing and profiling with perf
  • Using SystemTap
  • Using OProfile
  • Using LTTng
  • Using blktrace

Introduction

Debugging an embedded Linux product is a common task not only during development, but also in deployed production systems.

Application debugging in embedded Linux is different from debugging in a traditional embedded device in that we don't have a flat memory model with an operating system and applications ...

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