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Linux: Embedded Development by Chris Simmonds, Alex González, Alexandru Vaduva

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Using LTTng

The Linux Trace Toolkit project was started by Karim Yaghmour as a means of tracing kernel activity and was one of the first trace tools generally available for the Linux kernel. Later, Mathieu Desnoyers took up the idea and re-implemented it as the next generation trace tool, LTTng. It was then expanded to cover user space traces as well as the kernel. The project website is at http://lttng.org/ and contains a comprehensive user manual.

LTTng consists of three components:

  • A core session manager
  • A kernel tracer implemented as a group of kernel modules
  • A user space tracer implemented as a library

In addition to those, you will need a trace viewer such as Babeltrace (http://www.efficios.com/babeltrace) or the Eclipse Trace Compaas plug-in ...

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