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<title>ruby-prof(1) - A fast ruby profiler</title>
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<a href="#NAME">NAME</a>
<a href="#SYNOPSIS">SYNOPSIS</a>
<a href="#DESCRIPTION">DESCRIPTION</a>
<a href="#OPTIONS">OPTIONS</a>
<a href="#COPYRIGHT">COPYRIGHT</a>
<a href="#SEE-ALSO">SEE ALSO</a>
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<ol class='man-decor man-head man head'>
<li class='tl'>ruby-prof(1)</li>
<li class='tc'></li>
<li class='tr'>ruby-prof(1)</li>
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<h2 id="NAME">NAME</h2>
<p class="man-name">
<code>ruby-prof</code> - <span class="man-whatis">A fast ruby profiler</span>
</p>
<h2 id="SYNOPSIS">SYNOPSIS</h2>
<p><code>ruby-prof</code> <a href="#OPTIONS" title="OPTIONS" data-bare-link="true">options</a> <script.rb> [--] [profiled-script-command-line-options]</p>
<h2 id="DESCRIPTION">DESCRIPTION</h2>
<p><strong>ruby-prof</strong> is a fast profiler for ruby. It can be used as a stand-alone
program (that this man page documents) or as a ruby library. Simply run
the ruby program you want to profile using ruby-prof : <strong>ruby-prof script.rb</strong>
At the end of execution the time spent in each method is displayed.</p>
<h2 id="OPTIONS">OPTIONS</h2>
<dl>
<dt><code>-p</code>, <code>--printer=printer</code></dt><dd><p>Select a printer:<br />
flat - Prints a flat profile as text (default).<br />
flat_with_line_numbers - same as flat, with line numbers.<br />
graph - Prints a graph profile as text.<br />
graph_html - Prints a graph profile as html.<br />
call_tree - format for KCacheGrind<br />
call_stack - prints a HTML visualization of the call tree<br />
dot - Prints a graph profile as a dot file<br /></p></dd>
<dt><code>-m</code>, <code>--min_percent=min_percent</code></dt><dd><p>The minimum percent a method must take before being included in output reports.
this option is not supported for call tree.</p></dd>
<dt><code>-f</code>, <code>--file=path</code></dt><dd><p>Output results to a file instead of standard out.</p></dd>
<dt><code>--mode=measure_mode</code></dt><dd><p>Select what ruby-prof should measure:<br />
process - Process time (default).<br />
wall - Wall time.<br />
cpu - CPU time (Pentium and PowerPCs only).<br />
allocations - Object allocations (requires patched Ruby interpreter).<br />
memory - Allocated memory in KB (requires patched Ruby interpreter).<br />
gc_runs - Number of garbage collections (requires patched Ruby interpreter).<br />
gc_time - Time spent in garbage collection (requires patched Ruby interpreter).<br /></p></dd>
<dt><code>-s</code>, <code>--sort=sort_mode</code></dt><dd><p>Select how ruby-prof results should be sorted:<br />
total - Total time<br />
self - Self time<br />
wait - Wait time<br />
child - Child time<br /></p></dd>
<dt><code>--replace-progname</code></dt><dd><p>Replace $0 when loading the .rb files.</p></dd>
<dt class="flush"><code>-v</code></dt><dd><p>Show version, set $VERBOSE to true, profile script if option given</p></dd>
<dt class="flush"><code>-d</code></dt><dd><p>Set $DEBUG to true</p></dd>
<dt><code>-R</code>, <code>--require-noprof lib</code></dt><dd><p>require a specific library (not profiled)</p></dd>
<dt><code>-E</code>, <code>--eval-noprof code</code></dt><dd><p>execute the ruby statements (not profiled)</p></dd>
<dt><code>-x</code>, <code>--exclude regexp</code></dt><dd><p>exclude methods by regexp (see method elimination)</p></dd>
<dt><code>-X</code>, <code>--exclude-file file</code></dt><dd><p>exclude methods by regexp listed in file (see method elimination)</p></dd>
<dt><code>--exclude-common-cycles</code></dt><dd><p>make common iterators like Integer#times appear inlined</p></dd>
<dt><code>--exclude-common-callbacks</code></dt><dd><p>make common callbacks invocations like Integer#times appear inlined so you can see call origins in graph</p></dd>
<dt><code>-h</code>, <code>--help</code></dt><dd><p>Show help message</p></dd>
<dt><code>--version</code></dt><dd><p>Show version 0.13.1</p></dd>
</dl>
<h2 id="COPYRIGHT">COPYRIGHT</h2>
<p>ruby-prof was written by Shugo Maeda <a href="mailto:shugo@ruby-lang.org" data-bare-link="true">shugo@ruby-lang.org</a>.</p>
<p>This manual page was written by Arnaud Cornet <a href="mailto:arnaud.cornet@gmail.com" data-bare-link="true">arnaud.cornet@gmail.com</a> and
updated by Jonas Genannt <a href="mailto:jonas.genannt@capi2name.de" data-bare-link="true">jonas.genannt@capi2name.de</a> for the Debian project (but may be used by others).</p>
<h2 id="SEE-ALSO">SEE ALSO</h2>
<p>The ruby-prof website, https://github.com/ruby-prof/ruby-prof</p>
<ol class='man-decor man-foot man foot'>
<li class='tl'></li>
<li class='tc'>December 2013</li>
<li class='tr'>ruby-prof(1)</li>
</ol>
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