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<p class="MsoNormal">Hi ,<o:p></o:p></p>
<p class="MsoNormal">I am trying to use some user space tracing, following the example shown here:
<o:p></o:p></p>
<p class="MsoNormal"><a href="https://lttng.org/docs/v2.10/">https://lttng.org/docs/v2.10/</a><o:p></o:p></p>
<p class="MsoNormal">In the section Trace a user application, I am using the sample provided<o:p></o:p></p>
<p class="MsoNormal">--------------------------<o:p></o:p></p>
<p class="MsoNormal">hello-tp.h<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">#undef TRACEPOINT_PROVIDER<o:p></o:p></p>
<p class="MsoNormal">#define TRACEPOINT_PROVIDER hello_world<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">#undef TRACEPOINT_INCLUDE<o:p></o:p></p>
<p class="MsoNormal">#define TRACEPOINT_INCLUDE "./hello-tp.h"<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">#if !defined(_HELLO_TP_H) || defined(TRACEPOINT_HEADER_MULTI_READ)<o:p></o:p></p>
<p class="MsoNormal">#define _HELLO_TP_H<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">#include <lttng/tracepoint.h><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">TRACEPOINT_EVENT(<o:p></o:p></p>
<p class="MsoNormal"> hello_world,<o:p></o:p></p>
<p class="MsoNormal"> my_first_tracepoint,<o:p></o:p></p>
<p class="MsoNormal"> TP_ARGS(<o:p></o:p></p>
<p class="MsoNormal"> int, my_integer_arg,<o:p></o:p></p>
<p class="MsoNormal"> char*, my_string_arg<o:p></o:p></p>
<p class="MsoNormal"> ),<o:p></o:p></p>
<p class="MsoNormal"> TP_FIELDS(<o:p></o:p></p>
<p class="MsoNormal"> ctf_string(my_string_field, my_string_arg)<o:p></o:p></p>
<p class="MsoNormal"> ctf_integer(int, my_integer_field, my_integer_arg)<o:p></o:p></p>
<p class="MsoNormal"> )<o:p></o:p></p>
<p class="MsoNormal">)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">#endif /* _HELLO_TP_H */<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">#include <lttng/tracepoint-event.h><o:p></o:p></p>
<p class="MsoNormal">-------------------------<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">With<o:p></o:p></p>
<p class="MsoNormal">------------------------------<o:p></o:p></p>
<p class="MsoNormal">hello-tp.c<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">#define TRACEPOINT_CREATE_PROBES<o:p></o:p></p>
<p class="MsoNormal">#define TRACEPOINT_DEFINE<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">#include "hello-tp.h"<o:p></o:p></p>
<p class="MsoNormal">--------------------<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">As soon as I compile <o:p></o:p></p>
<p><span style="font-family:"Calibri","sans-serif";color:black">gccarm -c -I <path to my includes> hello-tp.c<br>
In file included from hello-tp.h:27:0,<br>
from hello-tp.c:4:<br>
/…../usr/include/lttng/tracepoint-event.h:56:28: fatal error: ./hello-tp.h: No such file or directory<br>
#include TRACEPOINT_INCLUDE<br>
^<br>
compilation terminated.<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I am cross compiling for arm using a buildroot based environment.<o:p></o:p></p>
<p class="MsoNormal">Any suggestions?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">regards<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="text-align:justify"><b><span lang="EN-US" style="font-size:12.0pt;font-family:"Roboto Black";color:black;mso-fareast-language:EN-GB">John O’Sullivan<o:p></o:p></span></b></p>
<p class="MsoNormal"><o:p> </o:p></p>
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