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109 lines
3.0 KiB
109 lines
3.0 KiB
15 years ago
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/***************************************************************************
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* Copyright (C) 2005 by Joris Guisson *
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* joris.guisson@gmail.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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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 *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef BTPROFILER_H
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#define BTPROFILER_H
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#ifdef KT_PROFILE
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#include <qptrlist.h>
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#include <util/constants.h>
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class QTextStream;
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namespace bt
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{
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/**
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* Profile of one function or section of code.
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*/
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class Profile
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{
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Profile* parent;
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QPtrList<Profile> children;
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QString name;
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double min,max,avg;
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Uint32 count;
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double start_time;
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public:
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Profile(Profile* parent,const QString & name);
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virtual ~Profile();
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/**
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* We just entered the function and will profile it.
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*/
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void start();
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/**
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* We just left the function, internal variables will now be updated
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*/
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void end();
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/**
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* Get a child, if it doesn't exist it will be created.
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* @param name The name of the child
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* @return The child
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*/
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Profile* child(const QString & name);
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/**
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* Get the parent of the current profile.
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*/
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Profile* getParent() const {return parent;}
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/**
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* Save profile information to a file.
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* @param out Text stream to write to
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* @param base Base path of the profiles
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*/
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void save(QTextStream & out,const QString & base);
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};
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/**
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* @author Joris Guisson <joris.guisson@gmail.com>
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*
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* Class used to profile ktorrent
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*/
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class Profiler
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{
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Profile* curr;
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Profile* root;
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static Profiler inst;
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Profiler();
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public:
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virtual ~Profiler();
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void start(const QString & s);
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void end();
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void saveToFile(const QString & fn);
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static Profiler & instance() {return inst;}
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};
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}
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#define KT_PROF_START(S) bt::Profiler::instance().start(S)
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#define KT_PROF_END() bt::Profiler::instance().end()
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#else
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#define KT_PROF_START(S)
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#define KT_PROF_END()
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#endif
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#endif
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