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<div id="header">
<h1>
libtraceevent(3) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>tep_set_loglevel -
   Set log level of the library
</p>
</div>
</div>
<div id="content">
<div class="sect1">
<h2 id="_synopsis">SYNOPSIS</h2>
<div class="sectionbody">
<div class="verseblock">
<pre class="content"><strong>#include &lt;event-parse.h&gt;</strong>

enum <strong>tep_loglevel</strong> {
        TEP_LOG_NONE = 0,
        TEP_LOG_CRITICAL,
        TEP_LOG_ERROR,
        TEP_LOG_WARNING,
        TEP_LOG_INFO,
        TEP_LOG_DEBUG,
        TEP_LOG_ALL
};

int <strong>tep_set_loglevel</strong>(enum tep_loglevel <em>level</em>);</pre>
<div class="attribution">
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph"><p>The <strong>tep_set_loglevel()</strong> function sets the level of the library logs that will be printed
on the console. Library log levels are:</p></div>
<div class="verseblock">
<pre class="content">        <em>TEP_LOG_NONE</em> - Do not print any logs.
        <em>TEP_LOG_CRITICAL</em> - Print critical logs, problem that may cause a crash.
        <em>TEP_LOG_ERROR</em> - Print error logs, problem that could break the main logic of an API.
        <em>TEP_LOG_WARNING</em> - Print warnings, problem that could limit the result of an API.
        <em>TEP_LOG_INFO</em> - Print information about normal execution of an API.
        <em>TEP_LOG_DEBUG</em> - Print debug information.
        <em>TEP_LOG_ALL</em> - Print logs from all levels.</pre>
<div class="attribution">
</div></div>
<div class="paragraph"><p>Setting the log level to specific value means that logs from the previous levels will be printed
too. For example <em>TEP_LOG_WARNING</em> will print any logs with severity <em>TEP_LOG_WARNING</em>,
<em>TEP_LOG_ERROR</em> and <em>TEP_LOG_CRITICAL</em>. The default log level is <em>TEP_LOG_CRITICAL</em>.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_example">EXAMPLE</h2>
<div class="sectionbody">
<div class="listingblock">
<div class="content">
<pre><tt><span style="font-weight: bold"><span style="color: #000080">#include</span></span> <span style="color: #FF0000">&lt;event-parse.h&gt;</span>

<span style="font-weight: bold"><span style="color: #000000">tep_set_loglevel</span></span><span style="color: #990000">(</span>TEP_LOG_ALL<span style="color: #990000">);</span>
<span style="color: #990000">...</span>
<span style="font-style: italic"><span style="color: #9A1900">/* call libtraceevent APIs and observe any logs they produce */</span></span>
<span style="color: #990000">...</span>
<span style="font-weight: bold"><span style="color: #000000">tep_set_loglevel</span></span><span style="color: #990000">(</span>TEP_LOG_CRITICAL<span style="color: #990000">);</span></tt></pre></div></div>
</div>
</div>
<div class="sect1">
<h2 id="_files">FILES</h2>
<div class="sectionbody">
<div class="verseblock">
<pre class="content"><strong>event-parse.h</strong>
        Header file to include in order to have access to the library APIs.
<strong>-ltraceevent</strong>
        Linker switch to add when building a program that uses the library.</pre>
<div class="attribution">
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_see_also">SEE ALSO</h2>
<div class="sectionbody">
<div class="paragraph"><p><strong>libtraceevent</strong>(3), <strong>trace-cmd</strong>(1)</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_author">AUTHOR</h2>
<div class="sectionbody">
<div class="verseblock">
<pre class="content"><strong>Steven Rostedt</strong> &lt;<a href="mailto:rostedt@goodmis.org">rostedt@goodmis.org</a>&gt;, author of <strong>libtraceevent</strong>.
<strong>Tzvetomir Stoyanov</strong> &lt;<a href="mailto:tz.stoyanov@gmail.com">tz.stoyanov@gmail.com</a>&gt;, author of this man page.</pre>
<div class="attribution">
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_reporting_bugs">REPORTING BUGS</h2>
<div class="sectionbody">
<div class="paragraph"><p>Report bugs to  &lt;<a href="mailto:linux-trace-devel@vger.kernel.org">linux-trace-devel@vger.kernel.org</a>&gt;</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_license">LICENSE</h2>
<div class="sectionbody">
<div class="paragraph"><p>libtraceevent is Free Software licensed under the GNU LGPL 2.1</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_resources">RESOURCES</h2>
<div class="sectionbody">
<div class="paragraph"><p><a href="https://git.kernel.org/pub/scm/libs/libtrace/libtraceevent.git/">https://git.kernel.org/pub/scm/libs/libtrace/libtraceevent.git/</a></p></div>
</div>
</div>
</div>
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Last updated
 2024-10-11 21:26:45 UTC
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