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You're reading from  Embedded Linux Development Using Yocto Project Cookbook. - Second Edition

Product typeBook
Published inJan 2018
Publisher
ISBN-139781788399210
Edition2nd Edition
Tools
Yocto ProjectLinux
Concepts
Embedded Systems
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Author (1)
Alex Gonzalez
Alex Gonzalez
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Alex Gonzalez

Alex González is a software engineering supervisor at Digi International and product owner of the Digi Embedded Yocto distribution. He started working professionally with embedded systems in 1999 and the Linux kernel in 2004, designing products for voice and video over IP networks, and followed his interests into machine-to-machine (M2M) technologies and the Internet of Things. Born and raised in Bilbao, Spain, Alex has an electronic engineering degree from the University of the Basque Country and he received his MSc in communication systems from the University of Portsmouth.
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Exploring Yocto's tracing and profiling tools

Tracing and profiling tools are used to increase the performance, efficiency, and quality of both, applications and systems. User space tracing and profiling tools make use of performance counters and static and dynamic tracing functionality that the Linux kernel offers, as we have seen in the previous recipes.

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...
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Embedded Linux Development Using Yocto Project Cookbook. - Second Edition
Published in: Jan 2018Publisher: ISBN-13: 9781788399210
© 2018 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Alex Gonzalez

Alex González is a software engineering supervisor at Digi International and product owner of the Digi Embedded Yocto distribution. He started working professionally with embedded systems in 1999 and the Linux kernel in 2004, designing products for voice and video over IP networks, and followed his interests into machine-to-machine (M2M) technologies and the Internet of Things. Born and raised in Bilbao, Spain, Alex has an electronic engineering degree from the University of the Basque Country and he received his MSc in communication systems from the University of Portsmouth.
Read more about Alex Gonzalez

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