Linux Trace Toolkit Reference Manual
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3. Data acquisition

3.1 Probing the kernel

3.2 Probing RTAI

If you've tried to do as prescribed above with an LTT patched RTAI system, then you noticed that you can't install the tracer. The system complains about unresolved symbols. This is because it's a little bit more complicated with RTAI.

You can now install the other RTAI modules and trace your system.

3.3 Recording the data

    A trace begins when the trace daemon starts recording events. If you have followed all the previous steps, this is currently not the case. To start recording, do:


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Linux trace toolkit Data acquisition