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52 lines
1.9 KiB
52 lines
1.9 KiB
/* This file is part of the KDE project
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Copyright (C) 2002 David Faure <faure@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2, as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef KPROFILE_METHOD_H
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#define KPROFILE_METHOD_H
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#include <tqdatetime.h>
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#include <kdebug.h>
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/**
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* Those macros help profiling using TQTime.
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* They allow to sum up the time taken by a given bit of code
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* in a method called several times.
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* This way one can find out which low-level method used by a high-level
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* method is taking most of its time
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*
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*
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* Declare the var somewhere, out of any method:
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* int pr_theMethod = 0;
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* (the name pr_* helps finding and removing all of this before committing)
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*
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* Then in the method, around the code to be timed:
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* PROFILE_METHOD_BEGIN( pr_theMethod );
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* ...
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* PROFILE_METHOD_END( pr_theMethod );
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*
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* And finally, to see the result, put this call in a method
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* called after all that (destructor, program exit...)
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* PROFILE_METHOD_PRINT( pr_theMethod, "theMethod" );
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*
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*/
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#define PROFILE_METHOD_BEGIN(sym) extern int sym; TQTime profile_dt##sym; profile_dt##sym.start();
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#define PROFILE_METHOD_END(sym) extern int sym; sym += profile_dt##sym.elapsed();
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#define PROFILE_METHOD_PRINT(sym, name) extern int sym; kdDebug() << name << " took " << sym << " milliseconds" << endl;
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#endif // KPROFILE_METHOD_H
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