mirror of https://github.com/minetest/minetest.git
132 lines
2.6 KiB
C++
132 lines
2.6 KiB
C++
/*
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Minetest-c55
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Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
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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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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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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the 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 PROFILER_HEADER
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#define PROFILER_HEADER
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#include "common_irrlicht.h"
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#include <string>
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#include "utility.h"
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#include <jmutex.h>
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#include <jmutexautolock.h>
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/*
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Time profiler
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*/
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class Profiler
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{
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public:
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Profiler()
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{
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m_mutex.Init();
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}
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void add(const std::string &name, u32 duration)
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{
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JMutexAutoLock lock(m_mutex);
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core::map<std::string, u32>::Node *n = m_data.find(name);
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if(n == NULL)
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{
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m_data[name] = duration;
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}
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else
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{
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n->setValue(n->getValue()+duration);
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}
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}
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void clear()
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{
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JMutexAutoLock lock(m_mutex);
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for(core::map<std::string, u32>::Iterator
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i = m_data.getIterator();
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i.atEnd() == false; i++)
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{
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i.getNode()->setValue(0);
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}
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}
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void print(std::ostream &o)
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{
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JMutexAutoLock lock(m_mutex);
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for(core::map<std::string, u32>::Iterator
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i = m_data.getIterator();
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i.atEnd() == false; i++)
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{
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std::string name = i.getNode()->getKey();
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o<<name<<": ";
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s32 clampsize = 40;
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s32 space = clampsize-name.size();
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for(s32 j=0; j<space; j++)
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{
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if(j%2 == 0 && j < space - 1)
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o<<"-";
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else
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o<<" ";
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}
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o<<i.getNode()->getValue();
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o<<std::endl;
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}
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}
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private:
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JMutex m_mutex;
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core::map<std::string, u32> m_data;
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};
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class ScopeProfiler
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{
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public:
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ScopeProfiler(Profiler *profiler, const std::string &name):
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m_profiler(profiler),
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m_name(name),
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m_timer(NULL)
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{
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if(m_profiler)
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m_timer = new TimeTaker(m_name.c_str());
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}
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// name is copied
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ScopeProfiler(Profiler *profiler, const char *name):
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m_profiler(profiler),
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m_name(name),
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m_timer(NULL)
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{
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if(m_profiler)
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m_timer = new TimeTaker(m_name.c_str());
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}
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~ScopeProfiler()
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{
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if(m_timer)
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{
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u32 duration = m_timer->stop(true);
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if(m_profiler)
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m_profiler->add(m_name, duration);
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delete m_timer;
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}
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}
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private:
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Profiler *m_profiler;
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std::string m_name;
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TimeTaker *m_timer;
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};
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#endif
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