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<title>GNU gprof: Invoking</title>
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Next: <a href="Output.html#Output" accesskey="n" rel="next">Output</a>, Previous: <a href="Executing.html#Executing" accesskey="p" rel="prev">Executing</a>, Up: <a href="index.html#Top" accesskey="u" rel="up">Top</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>]</p>
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<a name="gprof-Command-Summary"></a>
<h2 class="chapter">4 <code>gprof</code> Command Summary</h2>
<p>After you have a profile data file <samp>gmon.out</samp>, you can run <code>gprof</code>
to interpret the information in it. The <code>gprof</code> program prints a
flat profile and a call graph on standard output. Typically you would
redirect the output of <code>gprof</code> into a file with &lsquo;<samp>&gt;</samp>&rsquo;.
</p>
<p>You run <code>gprof</code> like this:
</p>
<div class="smallexample">
<pre class="smallexample">gprof <var>options</var> [<var>executable-file</var> [<var>profile-data-files</var>&hellip;]] [&gt; <var>outfile</var>]
</pre></div>
<p>Here square-brackets indicate optional arguments.
</p>
<p>If you omit the executable file name, the file <samp>a.out</samp> is used. If
you give no profile data file name, the file <samp>gmon.out</samp> is used. If
any file is not in the proper format, or if the profile data file does not
appear to belong to the executable file, an error message is printed.
</p>
<p>You can give more than one profile data file by entering all their names
after the executable file name; then the statistics in all the data files
are summed together.
</p>
<p>The order of these options does not matter.
</p>
<table class="menu" border="0" cellspacing="0">
<tr><td align="left" valign="top">&bull; <a href="Output-Options.html#Output-Options" accesskey="1">Output Options</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Controlling <code>gprof</code>&rsquo;s output style
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Analysis-Options.html#Analysis-Options" accesskey="2">Analysis Options</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Controlling how <code>gprof</code> analyzes its data
</td></tr>
<tr><td align="left" valign="top">&bull; <a href="Miscellaneous-Options.html#Miscellaneous-Options" accesskey="3">Miscellaneous Options</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">
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<tr><td align="left" valign="top">&bull; <a href="Deprecated-Options.html#Deprecated-Options" accesskey="4">Deprecated Options</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Options you no longer need to use, but which
have been retained for compatibility
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<tr><td align="left" valign="top">&bull; <a href="Symspecs.html#Symspecs" accesskey="5">Symspecs</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">Specifying functions to include or exclude
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