Embedded Linux | 8. System Debugging and Profiling by Pavan | Learn Smarter
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8. System Debugging and Profiling

Debugging and profiling are critical for maintaining efficient and functional embedded systems, particularly in Linux environments. This chapter discusses various techniques and tools for debugging and profiling, which help identify system issues and optimize performance. Key tools such as GDB, Valgrind, and perf are emphasized to guide developers in troubleshooting and enhancing system resources.

Sections

  • 8

    System Debugging And Profiling

    This section discusses the importance of debugging and profiling in Linux-based embedded systems, detailing various tools and techniques for each.

    Learning Practice

  • 8.1

    Overview

    Debugging and profiling are critical practices in embedded systems and Linux environments, essential for ensuring system functionality and performance.

    Learning Practice

  • 8.2

    System Debugging In Linux

    This section introduces the tools and techniques for debugging both user-space and kernel-space applications in Linux.

    Learning Practice

  • 8.3

    System Profiling In Linux

    System profiling in Linux involves analyzing system performance metrics to optimize resource usage and identify performance bottlenecks.

    Learning Practice

  • 8.3.1

    Profiling User-Space Applications

    Profiling user-space applications involves analyzing performance metrics to identify bottlenecks and optimize resource usage.

    Learning Practice

  • 8.3.1.1

    Gprof

    gprof is a profiling tool that helps developers analyze execution time spent in each function of a user-space application.

    Learning Practice

  • 8.3.1.2

    Key Features

    This section highlights the key features and tools for profiling user-space applications in Linux, including gprof, perf, and valgrind.

    Learning Practice

  • 8.3.2

    Profiling Kernel-Space Code

    Profiling kernel-space code involves using specialized tools to analyze performance and trace function calls in the Linux kernel.

    Learning Practice

  • 8.3.2.1

    Ftrace

    ftrace is a tracing utility in the Linux kernel used for monitoring function calls and analyzing performance.

    Learning Practice

  • 8.3.2.2

    Key Features

    This section discusses the critical features of various profiling tools used for performance analysis in Linux, particularly in kernel-space.

    Learning Practice

  • 8.3.2.3

    Basic Usage

    Basic usage of debugging and profiling tools in Linux environments.

    Learning Practice

  • 8.4

    Conclusion

    The conclusion emphasizes the importance of debugging and profiling in Linux-based embedded systems for optimizing performance and troubleshooting.

    Learning Practice

References

eeoe-el-8.pdf

Class Notes

Memorization

What we have learnt

  • Debugging is crucial for id...
  • Profiling helps analyze sys...
  • A variety of tools are avai...

Final Test

Revision Tests