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// ==============================================================
// This file is part of Glest Shared Library (www.glest.org)
//
// Copyright (C) 2001-2008 Martio Figueroa
//
// You can redistribute this code 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
// ==============================================================
#include "profiler.h"
#ifdef SL_PROFILE
#include <stdexcept>
using namespace std;
namespace Shared{ namespace Util{
// =====================================================
// class Section
// =====================================================
Section::Section(const string &name){
this->name= name;
milisElapsed= 0;
parent= NULL;
}
Section *Section::getChild(const string &name){
SectionContainer::iterator it;
for(it= children.begin(); it!=children.end(); ++it){
if((*it)->getName()==name){
return *it;
}
}
return NULL;
}
void Section::print(FILE *outStream, int tabLevel){
float percent= (parent==NULL || parent->milisElapsed==0)? 100.0f: 100.0f*milisElapsed/parent->milisElapsed;
string pname= parent==NULL? "": parent->getName();
for(int i=0; i<tabLevel; ++i)
fprintf(outStream, "\t");
fprintf(outStream, "%s: ", name.c_str());
fprintf(outStream, "%d ms, ", milisElapsed);
fprintf(outStream, "%.1f%s\n", percent, "%");
SectionContainer::iterator it;
for(it= children.begin(); it!=children.end(); ++it){
(*it)->print(outStream, tabLevel+1);
}
}
// =====================================================
// class Profiler
// =====================================================
Profiler::Profiler(){
rootSection= new Section("Root");
currSection= rootSection;
rootSection->start();
}
Profiler::~Profiler(){
rootSection->stop();
FILE *f= fopen("profiler.log", "w");
if(f==NULL)
throw runtime_error("Can not open file: profiler.log");
fprintf(f, "Profiler Results\n\n");
rootSection->print(f);
fclose(f);
}
Profiler &Profiler::getInstance(){
static Profiler profiler;
return profiler;
}
void Profiler::sectionBegin(const string &name){
Section *childSection= currSection->getChild(name);
if(childSection==NULL){
childSection= new Section(name);
currSection->addChild(childSection);
childSection->setParent(currSection);
}
currSection= childSection;
childSection->start();
}
void Profiler::sectionEnd(const string &name){
if(name==currSection->getName()){
currSection->stop();
currSection= currSection->getParent();
}
else{
throw runtime_error("Profile: Leaving section is not current section: "+name);
}
}
}};//end namespace
#endif
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