initial version ( megaglest 3.2.3-beta3 )

source/shared_lib/sources/util/profiler.cpp

@@ -0,0 +1,113 @@
+// ==============================================================
+//	This file is part of Glest Shared Library (www.glest.org)
+//
+//	Copyright (C) 2001-2008 Marti<74>o 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