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/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef BTPROFILER_H
#define BTPROFILER_H
#ifdef KT_PROFILE
#include <qptrlist.h>
#include <util/constants.h>
class QTextStream;
namespace bt
{
/**
* Profile of one function or section of code.
*/
class Profile
{
Profile* parent;
QPtrList<Profile> children;
QString name;
double min,max,avg;
Uint32 count;
double start_time;
public:
Profile(Profile* parent,const QString & name);
virtual ~Profile();
/**
* We just entered the function and will profile it.
*/
void start();
/**
* We just left the function, internal variables will now be updated
*/
void end();
/**
* Get a child, if it doesn't exist it will be created.
* @param name The name of the child
* @return The child
*/
Profile* child(const QString & name);
/**
* Get the parent of the current profile.
*/
Profile* getParent() const {return parent;}
/**
* Save profile information to a file.
* @param out Text stream to write to
* @param base Base path of the profiles
*/
void save(QTextStream & out,const QString & base);
};
/**
* @author Joris Guisson <joris.guisson@gmail.com>
*
* Class used to profile ktorrent
*/
class Profiler
{
Profile* curr;
Profile* root;
static Profiler inst;
Profiler();
public:
virtual ~Profiler();
void start(const QString & s);
void end();
void saveToFile(const QString & fn);
static Profiler & instance() {return inst;}
};
}
#define KT_PROF_START(S) bt::Profiler::instance().start(S)
#define KT_PROF_END() bt::Profiler::instance().end()
#else
#define KT_PROF_START(S)
#define KT_PROF_END()
#endif
#endif
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