| 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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