This recipe will show some techniques to debug common problems with the device tree.
Debugging device tree issues
by Alex Gonzalez
Embedded Linux Development Using Yocto Project Cookbook - Second Edition
- Preface
- The Build System
- Introduction
- Setting up the host system
- Installing Poky
- Creating a build directory
- Building your first image
- Explaining the NXP Yocto ecosystem
- Installing support for NXP hardware
- Building Wandboard images
- Using the Toaster web interface
- Running a Toaster Docker container
- Configuring network booting for a development setup
- Using Docker as a Yocto build system container
- Sharing downloads
- Sharing the shared state cache
- Setting up a package feed
- Using build history
- Working with build statistics
- Debugging the build system
- The BSP Layer
- Introduction
- Creating a custom BSP layer
- Adding a custom kernel and bootloader
- Building the U-Boot bootloader
- Describing Linux's build system
- Configuring the Linux kernel
- Building the Linux kernel
- Building external kernel modules
- Debugging the Linux kernel and modules
- Debugging the Linux kernel booting process
- Using the kernel function tracing system
- Managing the device tree
- Debugging device tree issues
- The Software Layer
- Introduction
- Exploring an image's contents
- Adding a new software layer
- Selecting a specific package version and provider
- Adding supported packages
- Adding new packages
- Adding data, scripts, or configuration files
- Managing users and groups
- Using the sysvinit initialization manager
- Using the systemd initialization manager
- Installing package installation scripts
- Reducing the Linux kernel image size
- Reducing the root filesystem size
- Memory-based root filesystems
- Securing the root filesystem
- Releasing software
- Analyzing your system for compliance
- Working with open source and proprietary code
- Application Development
- Introduction
- Introducing toolchains
- Preparing an SDK
- Using the extensible SDK
- Using the Eclipse IDE
- Developing GTK+ applications
- Using the Qt Creator IDE
- Developing Qt applications
- Describing workflows for application development
- Working with GNU make
- Working with the GNU build system
- Working with the CMake build system
- Working with the SCons builder
- Developing with libraries
- Working with the Linux framebuffer
- Using the X Windows system
- Using Wayland
- Adding a web browser application
- Adding Python applications
- Integrating the Open Java Development Kit
- Integrating Java applications
- Integrating Node.js applications
- Running Docker application containers
- Debugging, Tracing, and Profiling
- Introduction
- 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 LTTng
- Using blktrace
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Debugging device tree issues
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