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<div class="headertitle"><div class="title">Kernel Tracing <div class="ingroups"><a class="el" href="group__l4__api.html">Base API</a> &raquo; <a class="el" href="group__api__calls__fiasco.html">Fiasco extensions</a></div></div></div>
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<p>Kernel tracing related functionality.
<a href="#details">More...</a></p>
<div id="dynsection-0" onclick="return dynsection.toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;"><span class="dynarrow"><span class="arrowhead closed"></span></span>Collaboration diagram for Kernel Tracing:</div>
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<div id="dynsection-0-content" class="dyncontent" style="display:none;">
<div class="center"><iframe scrolling="no" loading="lazy" frameborder="0" src="group__fiasco__trace__api.svg" width="311" height="36"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-func-members" class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga11d469f93c5befca8389362282c5cb74" id="r_ga11d469f93c5befca8389362282c5cb74"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ga11d469f93c5befca8389362282c5cb74">fiasco_tbuf_log</a> (const char *text)</td></tr>
<tr class="memdesc:ga11d469f93c5befca8389362282c5cb74"><td class="mdescLeft">&#160;</td><td class="mdescRight">Create new trace-buffer entry with describing &lt;text&gt;. <br /></td></tr>
<tr class="memitem:gac59d89f0e05763396f2fcda591ffe870" id="r_gac59d89f0e05763396f2fcda591ffe870"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#gac59d89f0e05763396f2fcda591ffe870">fiasco_tbuf_log_3val</a> (const char *text, <a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> v1, <a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> v2, <a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> v3)</td></tr>
<tr class="memdesc:gac59d89f0e05763396f2fcda591ffe870"><td class="mdescLeft">&#160;</td><td class="mdescRight">Create new trace-buffer entry with describing &lt;text&gt; and three additional values. <br /></td></tr>
<tr class="memitem:gacec61dde47b1cf788fcc51614bcc1a2f" id="r_gacec61dde47b1cf788fcc51614bcc1a2f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#gacec61dde47b1cf788fcc51614bcc1a2f">fiasco_tbuf_log_binary</a> (const unsigned char *data)</td></tr>
<tr class="memdesc:gacec61dde47b1cf788fcc51614bcc1a2f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Create new trace-buffer entry with binary data. <br /></td></tr>
<tr class="memitem:ga2a50578d66208d4434fb1bd87cd2473e" id="r_ga2a50578d66208d4434fb1bd87cd2473e"><td class="memItemLeft" align="right" valign="top"><a id="ga2a50578d66208d4434fb1bd87cd2473e" name="ga2a50578d66208d4434fb1bd87cd2473e"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><b>fiasco_tbuf_clear</b> (void)</td></tr>
<tr class="memdesc:ga2a50578d66208d4434fb1bd87cd2473e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Clear trace-buffer. <br /></td></tr>
<tr class="memitem:gafcdf20a03560ad5e63462e59cd55d55c" id="r_gafcdf20a03560ad5e63462e59cd55d55c"><td class="memItemLeft" align="right" valign="top"><a id="gafcdf20a03560ad5e63462e59cd55d55c" name="gafcdf20a03560ad5e63462e59cd55d55c"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><b>fiasco_tbuf_dump</b> (void)</td></tr>
<tr class="memdesc:gafcdf20a03560ad5e63462e59cd55d55c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Dump trace-buffer to kernel console. <br /></td></tr>
</table>
<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<p>Kernel tracing related functionality. </p>
<dl class="section attention"><dt>Attention</dt><dd>This API is subject to change!</dd></dl>
<p>This is a tracing facility for the Fiasco kernel trace buffer. Any call to any function might be invalid. Do not rely on it in any real code.</p>
<dl class="section user"><dt>Include File</dt><dd><div class="fragment"><div class="line"><span class="preprocessor">#include &lt;<a class="code" href="ktrace_8h.html">l4/sys/ktrace.h</a>&gt;</span> </div>
<div class="ttc" id="aktrace_8h_html"><div class="ttname"><a href="ktrace_8h.html">ktrace.h</a></div><div class="ttdoc">L4 kernel event tracing.</div></div>
</div><!-- fragment --> </dd></dl>
<a name="doc-func-members" id="doc-func-members"></a><h2 id="header-doc-func-members" class="groupheader">Function Documentation</h2>
<a id="ga11d469f93c5befca8389362282c5cb74" name="ga11d469f93c5befca8389362282c5cb74"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga11d469f93c5befca8389362282c5cb74">&#9670;&#160;</a></span>fiasco_tbuf_log()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> fiasco_tbuf_log </td>
<td>(</td>
<td class="paramtype">const char *</td> <td class="paramname"><span class="paramname"><em>text</em></span></td><td>)</td>
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<p>Create new trace-buffer entry with describing &lt;text&gt;. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">text</td><td>Logging text </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Pointer to trace-buffer entry </dd></dl>
<p class="definition">Definition at line <a class="el" href="____ktrace-impl_8h_source.html#l00024">24</a> of file <a class="el" href="____ktrace-impl_8h_source.html">__ktrace-impl.h</a>.</p>
<p class="reference">References <a class="el" href="kdebug_8h_source.html#l00098">__kdebug_text()</a>, and <a class="el" href="l4_2sys_2ipc_8h_source.html#l00646">l4_error()</a>.</p>
<div id="dynsection-1" onclick="return dynsection.toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;"><span class="dynarrow"><span class="arrowhead closed"></span></span>Here is the call graph for this function:</div>
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<div class="center"><iframe scrolling="no" loading="lazy" frameborder="0" src="group__fiasco__trace__api_ga11d469f93c5befca8389362282c5cb74_cgraph.svg" width="608" height="184"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
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<a id="gac59d89f0e05763396f2fcda591ffe870" name="gac59d89f0e05763396f2fcda591ffe870"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gac59d89f0e05763396f2fcda591ffe870">&#9670;&#160;</a></span>fiasco_tbuf_log_3val()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> fiasco_tbuf_log_3val </td>
<td>(</td>
<td class="paramtype">const char *</td> <td class="paramname"><span class="paramname"><em>text</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a></td> <td class="paramname"><span class="paramname"><em>v1</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a></td> <td class="paramname"><span class="paramname"><em>v2</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a></td> <td class="paramname"><span class="paramname"><em>v3</em></span>&#160;)</td>
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<p>Create new trace-buffer entry with describing &lt;text&gt; and three additional values. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">text</td><td>Logging text </td></tr>
<tr><td class="paramname">v1</td><td>first value </td></tr>
<tr><td class="paramname">v2</td><td>second value </td></tr>
<tr><td class="paramname">v3</td><td>third value </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Pointer to trace-buffer entry </dd></dl>
<p class="definition">Definition at line <a class="el" href="____ktrace-impl_8h_source.html#l00031">31</a> of file <a class="el" href="____ktrace-impl_8h_source.html">__ktrace-impl.h</a>.</p>
<p class="reference">References <a class="el" href="kdebug_8h_source.html#l00139">__kdebug_3_text()</a>, and <a class="el" href="l4_2sys_2ipc_8h_source.html#l00646">l4_error()</a>.</p>
<div id="dynsection-2" onclick="return dynsection.toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;"><span class="dynarrow"><span class="arrowhead closed"></span></span>Here is the call graph for this function:</div>
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<div class="center"><iframe scrolling="no" loading="lazy" frameborder="0" src="group__fiasco__trace__api_gac59d89f0e05763396f2fcda591ffe870_cgraph.svg" width="658" height="184"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
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<h2 class="memtitle"><span class="permalink"><a href="#gacec61dde47b1cf788fcc51614bcc1a2f">&#9670;&#160;</a></span>fiasco_tbuf_log_binary()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> fiasco_tbuf_log_binary </td>
<td>(</td>
<td class="paramtype">const unsigned char *</td> <td class="paramname"><span class="paramname"><em>data</em></span></td><td>)</td>
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<p>Create new trace-buffer entry with binary data. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">data</td><td>binary data </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Pointer to trace-buffer entry </dd></dl>
<p class="definition">Definition at line <a class="el" href="____ktrace-impl_8h_source.html#l00054">54</a> of file <a class="el" href="____ktrace-impl_8h_source.html">__ktrace-impl.h</a>.</p>
<p class="reference">References <a class="el" href="kdebug_8h_source.html#l00098">__kdebug_text()</a>, and <a class="el" href="l4_2sys_2ipc_8h_source.html#l00646">l4_error()</a>.</p>
<div id="dynsection-3" onclick="return dynsection.toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;"><span class="dynarrow"><span class="arrowhead closed"></span></span>Here is the call graph for this function:</div>
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<div class="center"><iframe scrolling="no" loading="lazy" frameborder="0" src="group__fiasco__trace__api_gacec61dde47b1cf788fcc51614bcc1a2f_cgraph.svg" width="656" height="184"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
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