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Embedded Linux Development Using Yocto Project

Embedded Linux Development Using Yocto Project

By : Otavio Salvador, Angolini
5 (9)
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Embedded Linux Development Using Yocto Project

Embedded Linux Development Using Yocto Project

5 (9)
By: Otavio Salvador, Angolini

Overview of this book

The Yocto Project is the industry standard for developing dependable embedded Linux projects. It stands out from other frameworks by offering time-efficient development with enhanced reliability and robustness. With Embedded Linux Development Using Yocto Project, you’ll acquire an understanding of Yocto Project tools, helping you perform different Linux-based tasks. You’ll gain a deep understanding of Poky and BitBake, explore practical use cases for building a Linux subsystem project, employ Yocto Project tools available for embedded Linux, and uncover the secrets of SDK, recipe tool, and others. This new edition is aligned with the latest long-term support release of the aforementioned technologies and introduces two new chapters, covering optimal emulation in QEMU for faster product development and best practices. By the end of this book, you’ll be well-equipped to generate and run an image for real hardware boards. You’ll gain hands-on experience in building efficient Linux systems using the Yocto Project.
Table of Contents (20 chapters)
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Differentiating metadata and application debugging

Before we delve into the details of debugging, we need to realize that there are different types of debugging, such as metadata and runtime code debugging.

Metadata debugging is needed to ensure that the behavior of BitBake’s tasks aligns with our goals and to identify the culprit when it’s not aligned. For example, a recipe may need to be fixed to enable a feature. In such a case, we can use several log files generated by BitBake in the host to help trace the execution path of the involved task.

On the other hand, debugging runtime code is more natural as it is essentially the same as the typical development cycle of an application, a library, or a kernel. Depending on the issue we are seeking to resolve, the right tool to help may vary from a debugger to code instrumentation (for example, adding debug prints).

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