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- /*
- Minetest
- Copyright (C) 2013 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 Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser 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 "irrlichttypes.h"
- #include <string>
- #include <map>
- #include "jthread/jmutex.h"
- #include "jthread/jmutexautolock.h"
- #include "util/timetaker.h"
- #include "util/numeric.h" // paging()
- #include "debug.h" // assert()
- /*
- Time profiler
- */
- class Profiler
- {
- public:
- Profiler()
- {
- }
- void add(const std::string &name, float value)
- {
- JMutexAutoLock lock(m_mutex);
- {
- /* No average shall have been used; mark add used as -2 */
- std::map<std::string, int>::iterator n = m_avgcounts.find(name);
- if(n == m_avgcounts.end())
- m_avgcounts[name] = -2;
- else{
- if(n->second == -1)
- n->second = -2;
- assert(n->second == -2);
- }
- }
- {
- std::map<std::string, float>::iterator n = m_data.find(name);
- if(n == m_data.end())
- m_data[name] = value;
- else
- n->second += value;
- }
- }
- void avg(const std::string &name, float value)
- {
- JMutexAutoLock lock(m_mutex);
- {
- std::map<std::string, int>::iterator n = m_avgcounts.find(name);
- if(n == m_avgcounts.end())
- m_avgcounts[name] = 1;
- else{
- /* No add shall have been used */
- assert(n->second != -2);
- n->second = MYMAX(n->second, 0) + 1;
- }
- }
- {
- std::map<std::string, float>::iterator n = m_data.find(name);
- if(n == m_data.end())
- m_data[name] = value;
- else
- n->second += value;
- }
- }
- void clear()
- {
- JMutexAutoLock lock(m_mutex);
- for(std::map<std::string, float>::iterator
- i = m_data.begin();
- i != m_data.end(); ++i)
- {
- i->second = 0;
- }
- m_avgcounts.clear();
- }
- void print(std::ostream &o)
- {
- printPage(o, 1, 1);
- }
- void printPage(std::ostream &o, u32 page, u32 pagecount)
- {
- JMutexAutoLock lock(m_mutex);
- u32 minindex, maxindex;
- paging(m_data.size(), page, pagecount, minindex, maxindex);
- for(std::map<std::string, float>::iterator
- i = m_data.begin();
- i != m_data.end(); ++i)
- {
- if(maxindex == 0)
- break;
- maxindex--;
- if(minindex != 0)
- {
- minindex--;
- continue;
- }
- std::string name = i->first;
- int avgcount = 1;
- std::map<std::string, int>::iterator n = m_avgcounts.find(name);
- if(n != m_avgcounts.end()){
- if(n->second >= 1)
- avgcount = n->second;
- }
- 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->second / avgcount);
- o<<std::endl;
- }
- }
- typedef std::map<std::string, float> GraphValues;
- void graphAdd(const std::string &id, float value)
- {
- JMutexAutoLock lock(m_mutex);
- std::map<std::string, float>::iterator i =
- m_graphvalues.find(id);
- if(i == m_graphvalues.end())
- m_graphvalues[id] = value;
- else
- i->second += value;
- }
- void graphGet(GraphValues &result)
- {
- JMutexAutoLock lock(m_mutex);
- result = m_graphvalues;
- m_graphvalues.clear();
- }
- void remove(const std::string& name)
- {
- JMutexAutoLock lock(m_mutex);
- m_avgcounts.erase(name);
- m_data.erase(name);
- }
- private:
- JMutex m_mutex;
- std::map<std::string, float> m_data;
- std::map<std::string, int> m_avgcounts;
- std::map<std::string, float> m_graphvalues;
- };
- enum ScopeProfilerType{
- SPT_ADD,
- SPT_AVG,
- SPT_GRAPH_ADD
- };
- 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;
- case SPT_GRAPH_ADD:
- m_profiler->graphAdd(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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