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<p class="MsoNormal">Hi<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am new to tracing in Linux and to lttng. I have a multi-threaded user application and I want to see:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="mso-list:Ignore">1)<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>When the threads are scheduled to run<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="mso-list:Ignore">2)<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>Which cores the threads are running on.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have installed lttng on Ubuntu 14.04 LTS. I am expecting to visualise the trace using TraceCompass.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have read the following doc section:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><a href="http://lttng.org/docs/#doc-tracing-your-own-user-application">http://lttng.org/docs/#doc-tracing-your-own-user-application</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">In order to collect my trace, must I define custom tracepoint definitions (<span class="apple-converted-space"><span style="color:#1A1A1A;background:#FDFDFD"> in a
</span></span><span style="color:#1A1A1A;background:#FDFDFD">tracepoint provider<span class="apple-converted-space"> header file ), and insert tracepoints into my user application, or is there a simpler way of achieving my goal?</span></span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB">Best regards<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-GB">David<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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