1 | #!/usr/bin/env python
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2 | # -*- coding: utf-8 -*-
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3 | # $Id: cgiprofiling.py 82968 2020-02-04 10:35:17Z vboxsync $
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4 |
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5 | """
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6 | Debug - CGI Profiling.
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7 | """
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8 |
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9 | __copyright__ = \
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10 | """
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11 | Copyright (C) 2012-2020 Oracle Corporation
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12 |
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13 | This file is part of VirtualBox Open Source Edition (OSE), as
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14 | available from http://www.virtualbox.org. This file is free software;
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15 | you can redistribute it and/or modify it under the terms of the GNU
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16 | General Public License (GPL) as published by the Free Software
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17 | Foundation, in version 2 as it comes in the "COPYING" file of the
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18 | VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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19 | hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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20 |
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21 | The contents of this file may alternatively be used under the terms
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22 | of the Common Development and Distribution License Version 1.0
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23 | (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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24 | VirtualBox OSE distribution, in which case the provisions of the
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25 | CDDL are applicable instead of those of the GPL.
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26 |
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27 | You may elect to license modified versions of this file under the
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28 | terms and conditions of either the GPL or the CDDL or both.
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29 | """
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30 | __version__ = "$Revision: 82968 $"
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31 |
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32 |
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33 | def profileIt(fnMain, sAppendToElement = 'main', sSort = 'time'):
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34 | """
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35 | Profiles a main() type function call (no parameters, returns int) and
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36 | outputs a hacky HTML section.
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37 | """
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38 |
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39 | #
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40 | # Execute it.
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41 | #
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42 | import cProfile;
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43 | oProfiler = cProfile.Profile();
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44 | rc = oProfiler.runcall(fnMain);
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45 |
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46 | #
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47 | # Output HTML to stdout (CGI assumption).
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48 | #
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49 | print('<div id="debug2"><br>\n' # Lazy BR-layouting!!
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50 | ' <h2>Profiler Output</h2>\n'
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51 | ' <pre>');
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52 | try:
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53 | oProfiler.print_stats(sort = sSort);
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54 | except Exception as oXcpt:
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55 | print('<p><pre>%s</pre></p>\n' % (oXcpt,));
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56 | else:
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57 | print('</pre>\n');
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58 | oProfiler = None;
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59 | print('</div>\n');
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60 |
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61 | #
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62 | # Trick to move the section in under the SQL trace.
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63 | #
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64 | print('<script lang="script/javascript">\n'
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65 | 'var oMain = document.getElementById(\'%s\');\n'
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66 | 'if (oMain) {\n'
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67 | ' oMain.appendChild(document.getElementById(\'debug2\'));\n'
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68 | '}\n'
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69 | '</script>\n'
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70 | % (sAppendToElement, ) );
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71 |
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72 | return rc;
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73 |
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