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203 lines
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203 lines
7.3 KiB
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<head>
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<title>Invoking Gcov-tool (Using the GNU Compiler Collection (GCC))</title>
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<meta name="description" content="Invoking Gcov-tool (Using the GNU Compiler Collection (GCC))">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Option-Index.html#Option-Index" rel="index" title="Option Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Gcov_002dtool.html#Gcov_002dtool" rel="up" title="Gcov-tool">
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<link href="Gcov_002ddump.html#Gcov_002ddump" rel="next" title="Gcov-dump">
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<link href="Gcov_002dtool-Intro.html#Gcov_002dtool-Intro" rel="prev" title="Gcov-tool Intro">
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</head>
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<a name="Invoking-Gcov_002dtool"></a>
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<div class="header">
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<p>
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Previous: <a href="Gcov_002dtool-Intro.html#Gcov_002dtool-Intro" accesskey="p" rel="prev">Gcov-tool Intro</a>, Up: <a href="Gcov_002dtool.html#Gcov_002dtool" accesskey="u" rel="up">Gcov-tool</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="Invoking-gcov_002dtool"></a>
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<h3 class="section">11.2 Invoking <code>gcov-tool</code></h3>
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<div class="smallexample">
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<pre class="smallexample">gcov-tool <span class="roman">[</span><var>global-options</var><span class="roman">]</span> SUB_COMMAND <span class="roman">[</span><var>sub_command-options</var><span class="roman">]</span> <var>profile_dir</var>
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</pre></div>
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<p><code>gcov-tool</code> accepts the following options:
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</p>
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<dl compact="compact">
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<dt><code>-h</code></dt>
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<dt><code>--help</code></dt>
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<dd><p>Display help about using <code>gcov-tool</code> (on the standard output), and
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exit without doing any further processing.
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</p>
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</dd>
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<dt><code>-v</code></dt>
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<dt><code>--version</code></dt>
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<dd><p>Display the <code>gcov-tool</code> version number (on the standard output),
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and exit without doing any further processing.
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</p>
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</dd>
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<dt><code>merge</code></dt>
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<dd><p>Merge two profile directories.
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</p><dl compact="compact">
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<dt><code>-o <var>directory</var></code></dt>
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<dt><code>--output <var>directory</var></code></dt>
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<dd><p>Set the output profile directory. Default output directory name is
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<var>merged_profile</var>.
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</p>
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</dd>
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<dt><code>-v</code></dt>
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<dt><code>--verbose</code></dt>
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<dd><p>Set the verbose mode.
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</p>
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</dd>
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<dt><code>-w <var>w1</var>,<var>w2</var></code></dt>
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<dt><code>--weight <var>w1</var>,<var>w2</var></code></dt>
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<dd><p>Set the merge weights of the <var>directory1</var> and <var>directory2</var>,
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respectively. The default weights are 1 for both.
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</p></dd>
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</dl>
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</dd>
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<dt><code>rewrite</code></dt>
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<dd><p>Read the specified profile directory and rewrite to a new directory.
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</p><dl compact="compact">
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<dt><code>-n <var>long_long_value</var></code></dt>
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<dt><code>--normalize <long_long_value></code></dt>
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<dd><p>Normalize the profile. The specified value is the max counter value
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in the new profile.
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</p>
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</dd>
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<dt><code>-o <var>directory</var></code></dt>
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<dt><code>--output <var>directory</var></code></dt>
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<dd><p>Set the output profile directory. Default output name is <var>rewrite_profile</var>.
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</p>
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</dd>
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<dt><code>-s <var>float_or_simple-frac_value</var></code></dt>
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<dt><code>--scale <var>float_or_simple-frac_value</var></code></dt>
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<dd><p>Scale the profile counters. The specified value can be in floating point value,
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or simple fraction value form, such 1, 2, 2/3, and 5/3.
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</p>
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</dd>
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<dt><code>-v</code></dt>
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<dt><code>--verbose</code></dt>
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<dd><p>Set the verbose mode.
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</p></dd>
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</dl>
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</dd>
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<dt><code>overlap</code></dt>
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<dd><p>Compute the overlap score between the two specified profile directories.
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The overlap score is computed based on the arc profiles. It is defined as
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the sum of min (p1_counter[i] / p1_sum_all, p2_counter[i] / p2_sum_all),
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for all arc counter i, where p1_counter[i] and p2_counter[i] are two
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matched counters and p1_sum_all and p2_sum_all are the sum of counter
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values in profile 1 and profile 2, respectively.
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</p>
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<dl compact="compact">
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<dt><code>-f</code></dt>
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<dt><code>--function</code></dt>
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<dd><p>Print function level overlap score.
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</p>
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</dd>
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<dt><code>-F</code></dt>
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<dt><code>--fullname</code></dt>
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<dd><p>Print full gcda filename.
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</p>
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</dd>
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<dt><code>-h</code></dt>
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<dt><code>--hotonly</code></dt>
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<dd><p>Only print info for hot objects/functions.
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</p>
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</dd>
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<dt><code>-o</code></dt>
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<dt><code>--object</code></dt>
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<dd><p>Print object level overlap score.
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</p>
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</dd>
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<dt><code>-t <var>float</var></code></dt>
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<dt><code>--hot_threshold <float></code></dt>
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<dd><p>Set the threshold for hot counter value.
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</p>
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</dd>
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<dt><code>-v</code></dt>
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<dt><code>--verbose</code></dt>
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<dd><p>Set the verbose mode.
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</p></dd>
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</dl>
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</dd>
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</dl>
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<hr>
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<div class="header">
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<p>
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Previous: <a href="Gcov_002dtool-Intro.html#Gcov_002dtool-Intro" accesskey="p" rel="prev">Gcov-tool Intro</a>, Up: <a href="Gcov_002dtool.html#Gcov_002dtool" accesskey="u" rel="up">Gcov-tool</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Option-Index.html#Option-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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</body>
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