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toolchain-gcc-arm-embedded/share/doc/gcc-arm-none-eabi/html/gprof.html/Output.html

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  1. <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

  2. <html>

  3. <!-- This file documents the gprof profiler of the GNU system.

  4. 

  5. Copyright (C) 1988-2020 Free Software Foundation, Inc.

  6. 

  7. Permission is granted to copy, distribute and/or modify this document

  8. under the terms of the GNU Free Documentation License, Version 1.3

  9. or any later version published by the Free Software Foundation;

  10. with no Invariant Sections, with no Front-Cover Texts, and with no

  11. Back-Cover Texts.  A copy of the license is included in the

  12. section entitled "GNU Free Documentation License".

  13.  -->

  14. <!-- Created by GNU Texinfo 6.5, http://www.gnu.org/software/texinfo/ -->

  15. <head>

  16. <meta http-equiv="Content-Type" content="text/html; charset=utf-8">

  17. <title>Output (GNU gprof)</title>

  18. 

  19. <meta name="description" content="Output (GNU gprof)">

  20. <meta name="keywords" content="Output (GNU gprof)">

  21. <meta name="resource-type" content="document">

  22. <meta name="distribution" content="global">

  23. <meta name="Generator" content="makeinfo">

  24. <link href="index.html#Top" rel="start" title="Top">

  25. <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">

  26. <link href="index.html#Top" rel="up" title="Top">

  27. <link href="Flat-Profile.html#Flat-Profile" rel="next" title="Flat Profile">

  28. <link href="Symspecs.html#Symspecs" rel="prev" title="Symspecs">

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  56. 

  57. 

  58. </head>

  59. 

  60. <body lang="en">

  61. <a name="Output"></a>

  62. <div class="header">

  63. <p>

  64. Next: <a href="Inaccuracy.html#Inaccuracy" accesskey="n" rel="next">Inaccuracy</a>, Previous: <a href="Invoking.html#Invoking" accesskey="p" rel="prev">Invoking</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>

  65. </div>

  66. <hr>

  67. <a name="Interpreting-gprof_0027s-Output"></a>

  68. <h2 class="chapter">5 Interpreting <code>gprof</code>&rsquo;s Output</h2>

  69. 

  70. <p><code>gprof</code> can produce several different output styles, the

  71. most important of which are described below.  The simplest output

  72. styles (file information, execution count, and function and file ordering)

  73. are not described here, but are documented with the respective options

  74. that trigger them.

  75. See <a href="Output-Options.html#Output-Options">Output Options</a>.

  76. </p>

  77. <table class="menu" border="0" cellspacing="0">

  78. <tr><td align="left" valign="top">&bull; <a href="Flat-Profile.html#Flat-Profile" accesskey="1">Flat Profile</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">The flat profile shows how much time was spent

  79.                             executing directly in each function.

  80. </td></tr>

  81. <tr><td align="left" valign="top">&bull; <a href="Call-Graph.html#Call-Graph" accesskey="2">Call Graph</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">The call graph shows which functions called which

  82.                             others, and how much time each function used

  83.                             when its subroutine calls are included.

  84. </td></tr>

  85. <tr><td align="left" valign="top">&bull; <a href="Line_002dby_002dline.html#Line_002dby_002dline" accesskey="3">Line-by-line</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top"><code>gprof</code> can analyze individual source code lines

  86. </td></tr>

  87. <tr><td align="left" valign="top">&bull; <a href="Annotated-Source.html#Annotated-Source" accesskey="4">Annotated Source</a>:</td><td>&nbsp;&nbsp;</td><td align="left" valign="top">The annotated source listing displays source code

  88.                             labeled with execution counts

  89. </td></tr>

  90. </table>

  91. 

  92. 

  93. 

  94. 

  95. 

  96. </body>

  97. </html>