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/*
Minetest-c55
Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@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 PROFILER_HEADER
#define PROFILER_HEADER
#include "common_irrlicht.h"
#include <string>
#include "utility.h"
#include <jmutex.h>
#include <jmutexautolock.h>
/*
Time profiler
*/
class Profiler
{
public:
Profiler()
{
m_mutex.Init();
}
void add(const std::string &name, float value)
{
JMutexAutoLock lock(m_mutex);
{
/* No average shall have been used; mark add used as -2 */
core::map<std::string, int>::Node *n = m_avgcounts.find(name);
if(n == NULL)
m_avgcounts[name] = -2;
else{
if(n->getValue() == -1)
n->setValue(-2);
assert(n->getValue() == -2);
}
}
{
core::map<std::string, float>::Node *n = m_data.find(name);
if(n == NULL)
m_data[name] = value;
else
n->setValue(n->getValue() + value);
}
}
void avg(const std::string &name, float value)
{
JMutexAutoLock lock(m_mutex);
{
core::map<std::string, int>::Node *n = m_avgcounts.find(name);
if(n == NULL)
m_avgcounts[name] = 1;
else{
/* No add shall have been used */
assert(n->getValue() != -2);
if(n->getValue() <= 0)
n->setValue(1);
else
n->setValue(n->getValue() + 1);
}
}
{
core::map<std::string, float>::Node *n = m_data.find(name);
if(n == NULL)
m_data[name] = value;
else
n->setValue(n->getValue() + value);
}
}
void clear()
{
JMutexAutoLock lock(m_mutex);
for(core::map<std::string, float>::Iterator
i = m_data.getIterator();
i.atEnd() == false; i++)
{
i.getNode()->setValue(0);
}
m_avgcounts.clear();
}
void print(std::ostream &o)
{
JMutexAutoLock lock(m_mutex);
for(core::map<std::string, float>::Iterator
i = m_data.getIterator();
i.atEnd() == false; i++)
{
std::string name = i.getNode()->getKey();
int avgcount = 1;
core::map<std::string, int>::Node *n = m_avgcounts.find(name);
if(n){
if(n->getValue() >= 1)
avgcount = n->getValue();
}
o<<" "<<name<<": ";
s32 clampsize = 40;
s32 space = clampsize - name.size();
for(s32 j=0; j<space; j++)
{
if(j%2 == 0 && j < space - 1)
o<<"-";
else
o<<" ";
}
o<<(i.getNode()->getValue() / avgcount);
o<<std::endl;
}
}
private:
JMutex m_mutex;
core::map<std::string, float> m_data;
core::map<std::string, int> m_avgcounts;
};
enum ScopeProfilerType{
SPT_ADD,
SPT_AVG
};
class ScopeProfiler
{
public:
ScopeProfiler(Profiler *profiler, const std::string &name,
enum ScopeProfilerType type = SPT_ADD):
m_profiler(profiler),
m_name(name),
m_timer(NULL),
m_type(type)
{
if(m_profiler)
m_timer = new TimeTaker(m_name.c_str());
}
// name is copied
ScopeProfiler(Profiler *profiler, const char *name,
enum ScopeProfilerType type = SPT_ADD):
m_profiler(profiler),
m_name(name),
m_timer(NULL),
m_type(type)
{
if(m_profiler)
m_timer = new TimeTaker(m_name.c_str());
}
~ScopeProfiler()
{
if(m_timer)
{
float duration_ms = m_timer->stop(true);
float duration = duration_ms / 1000.0;
if(m_profiler){
switch(m_type){
case SPT_ADD:
m_profiler->add(m_name, duration);
break;
case SPT_AVG:
m_profiler->avg(m_name, duration);
break;
}
}
delete m_timer;
}
}
private:
Profiler *m_profiler;
std::string m_name;
TimeTaker *m_timer;
enum ScopeProfilerType m_type;
};
#endif
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