January 2018
Intermediate to advanced
456 pages
12h 49m
English
Content preview from Embedded Linux Development Using Yocto Project Cookbook - Second Edition
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Getting ready
Tracing enables us to log an application's activity so that its behavior can be analyzed, optimized, and corrected.
Yocto offers several tracing tools including:
- trace-cmd: This is a command-line interface to the ftrace kernel subsystem, and kernelshark, a graphical interface to trace-cmd.
- perf: This is a tool that originated in the Linux kernel as a command-line interface to its performance counter events subsystem. It has since then expanded and added several other tracing mechanisms.
- blktrace: This is a tool that provides information about the block layer input/output.
- Linux Trace Toolkit Next Generation (LTTng): This is a tool that allows for correlated tracing of the Linux kernel, applications, and libraries. Yocto also ...
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