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| <h2 class="chapter">4 <code>gprof</code> Command Summary</h2> |
| |
| <p>After you have a profile data file <samp><span class="file">gmon.out</span></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 ‘<samp><span class="samp">></span></samp>’. |
| |
| <p>You run <code>gprof</code> like this: |
| |
| <pre class="smallexample"> gprof <var>options</var> [<var>executable-file</var> [<var>profile-data-files</var>...]] [> <var>outfile</var>] |
| </pre> |
| <p class="noindent">Here square-brackets indicate optional arguments. |
| |
| <p>If you omit the executable file name, the file <samp><span class="file">a.out</span></samp> is used. If |
| you give no profile data file name, the file <samp><span class="file">gmon.out</span></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>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>The order of these options does not matter. |
| |
| <ul class="menu"> |
| <li><a accesskey="1" href="Output-Options.html#Output-Options">Output Options</a>: Controlling <code>gprof</code>'s output style |
| <li><a accesskey="2" href="Analysis-Options.html#Analysis-Options">Analysis Options</a>: Controlling how <code>gprof</code> analyzes its data |
| <li><a accesskey="3" href="Miscellaneous-Options.html#Miscellaneous-Options">Miscellaneous Options</a> |
| <li><a accesskey="4" href="Deprecated-Options.html#Deprecated-Options">Deprecated Options</a>: Options you no longer need to use, but which |
| have been retained for compatibility |
| <li><a accesskey="5" href="Symspecs.html#Symspecs">Symspecs</a>: Specifying functions to include or exclude |
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