LCOV - code coverage report
Current view: top level - src - profiler.h (source / functions) Hit Total Coverage
Test: report Lines: 64 107 59.8 %
Date: 2015-07-11 18:23:49 Functions: 10 13 76.9 %

          Line data    Source code
       1             : /*
       2             : Minetest
       3             : Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
       4             : 
       5             : This program is free software; you can redistribute it and/or modify
       6             : it under the terms of the GNU Lesser General Public License as published by
       7             : the Free Software Foundation; either version 2.1 of the License, or
       8             : (at your option) any later version.
       9             : 
      10             : This program is distributed in the hope that it will be useful,
      11             : but WITHOUT ANY WARRANTY; without even the implied warranty of
      12             : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      13             : GNU Lesser General Public License for more details.
      14             : 
      15             : You should have received a copy of the GNU Lesser General Public License along
      16             : with this program; if not, write to the Free Software Foundation, Inc.,
      17             : 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      18             : */
      19             : 
      20             : #ifndef PROFILER_HEADER
      21             : #define PROFILER_HEADER
      22             : 
      23             : #include "irrlichttypes.h"
      24             : #include <string>
      25             : #include <map>
      26             : 
      27             : #include "jthread/jmutex.h"
      28             : #include "jthread/jmutexautolock.h"
      29             : #include "util/timetaker.h"
      30             : #include "util/numeric.h"      // paging()
      31             : #include "debug.h"             // assert()
      32             : 
      33             : #define MAX_PROFILER_TEXT_ROWS 20
      34             : 
      35             : // Global profiler
      36             : class Profiler;
      37             : extern Profiler *g_profiler;
      38             : 
      39             : /*
      40             :         Time profiler
      41             : */
      42             : 
      43           7 : class Profiler
      44             : {
      45             : public:
      46           7 :         Profiler()
      47           7 :         {
      48           7 :         }
      49             : 
      50        3539 :         void add(const std::string &name, float value)
      51             :         {
      52        7078 :                 JMutexAutoLock lock(m_mutex);
      53             :                 {
      54             :                         /* No average shall have been used; mark add used as -2 */
      55        3539 :                         std::map<std::string, int>::iterator n = m_avgcounts.find(name);
      56        3539 :                         if(n == m_avgcounts.end())
      57          30 :                                 m_avgcounts[name] = -2;
      58             :                         else{
      59        3509 :                                 if(n->second == -1)
      60           0 :                                         n->second = -2;
      61             :                                 assert(n->second == -2);
      62             :                         }
      63             :                 }
      64             :                 {
      65        3539 :                         std::map<std::string, float>::iterator n = m_data.find(name);
      66        3539 :                         if(n == m_data.end())
      67           5 :                                 m_data[name] = value;
      68             :                         else
      69        3534 :                                 n->second += value;
      70             :                 }
      71        3539 :         }
      72             : 
      73      931582 :         void avg(const std::string &name, float value)
      74             :         {
      75     1863174 :                 JMutexAutoLock lock(m_mutex);
      76      931592 :                 int &count = m_avgcounts[name];
      77             : 
      78             :                 assert(count != -2);
      79      931592 :                 count = MYMAX(count, 0) + 1;
      80      931592 :                 m_data[name] += value;
      81      931592 :         }
      82             : 
      83           8 :         void clear()
      84             :         {
      85          16 :                 JMutexAutoLock lock(m_mutex);
      86         685 :                 for(std::map<std::string, float>::iterator
      87           8 :                                 i = m_data.begin();
      88         462 :                                 i != m_data.end(); ++i)
      89             :                 {
      90         223 :                         i->second = 0;
      91             :                 }
      92           8 :                 m_avgcounts.clear();
      93           8 :         }
      94             : 
      95           0 :         void print(std::ostream &o)
      96             :         {
      97           0 :                 printPage(o, 1, 1);
      98           0 :         }
      99             : 
     100           0 :         float getValue(const std::string &name) const
     101             :         {
     102           0 :                 std::map<std::string, float>::const_iterator numerator = m_data.find(name);
     103           0 :                 if (numerator == m_data.end())
     104           0 :                         return 0.f;
     105             : 
     106           0 :                 std::map<std::string, int>::const_iterator denominator = m_avgcounts.find(name);
     107           0 :                 if (denominator != m_avgcounts.end()){
     108           0 :                         if (denominator->second >= 1)
     109           0 :                                 return numerator->second / denominator->second;
     110             :                 }
     111             : 
     112           0 :                 return numerator->second;
     113             :         }
     114             : 
     115           0 :         void printPage(std::ostream &o, u32 page, u32 pagecount)
     116             :         {
     117           0 :                 JMutexAutoLock lock(m_mutex);
     118             : 
     119             :                 u32 minindex, maxindex;
     120           0 :                 paging(m_data.size(), page, pagecount, minindex, maxindex);
     121             : 
     122           0 :                 for(std::map<std::string, float>::iterator
     123           0 :                                 i = m_data.begin();
     124           0 :                                 i != m_data.end(); ++i)
     125             :                 {
     126           0 :                         if(maxindex == 0)
     127           0 :                                 break;
     128           0 :                         maxindex--;
     129             : 
     130           0 :                         if(minindex != 0)
     131             :                         {
     132           0 :                                 minindex--;
     133           0 :                                 continue;
     134             :                         }
     135             : 
     136           0 :                         std::string name = i->first;
     137           0 :                         int avgcount = 1;
     138           0 :                         std::map<std::string, int>::iterator n = m_avgcounts.find(name);
     139           0 :                         if(n != m_avgcounts.end()){
     140           0 :                                 if(n->second >= 1)
     141           0 :                                         avgcount = n->second;
     142             :                         }
     143           0 :                         o<<"  "<<name<<": ";
     144           0 :                         s32 clampsize = 40;
     145           0 :                         s32 space = clampsize - name.size();
     146           0 :                         for(s32 j=0; j<space; j++)
     147             :                         {
     148           0 :                                 if(j%2 == 0 && j < space - 1)
     149           0 :                                         o<<"-";
     150             :                                 else
     151           0 :                                         o<<" ";
     152             :                         }
     153           0 :                         o<<(i->second / avgcount);
     154           0 :                         o<<std::endl;
     155             :                 }
     156           0 :         }
     157             : 
     158             :         typedef std::map<std::string, float> GraphValues;
     159             : 
     160       17111 :         void graphAdd(const std::string &id, float value)
     161             :         {
     162       34222 :                 JMutexAutoLock lock(m_mutex);
     163             :                 std::map<std::string, float>::iterator i =
     164       17111 :                                 m_graphvalues.find(id);
     165       17111 :                 if(i == m_graphvalues.end())
     166        7012 :                         m_graphvalues[id] = value;
     167             :                 else
     168       10099 :                         i->second += value;
     169       17111 :         }
     170        1167 :         void graphGet(GraphValues &result)
     171             :         {
     172        2334 :                 JMutexAutoLock lock(m_mutex);
     173        1167 :                 result = m_graphvalues;
     174        1167 :                 m_graphvalues.clear();
     175        1167 :         }
     176             : 
     177             :         void remove(const std::string& name)
     178             :         {
     179             :                 JMutexAutoLock lock(m_mutex);
     180             :                 m_avgcounts.erase(name);
     181             :                 m_data.erase(name);
     182             :         }
     183             : 
     184             : private:
     185             :         JMutex m_mutex;
     186             :         std::map<std::string, float> m_data;
     187             :         std::map<std::string, int> m_avgcounts;
     188             :         std::map<std::string, float> m_graphvalues;
     189             : };
     190             : 
     191             : enum ScopeProfilerType{
     192             :         SPT_ADD,
     193             :         SPT_AVG,
     194             :         SPT_GRAPH_ADD
     195             : };
     196             : 
     197             : class ScopeProfiler
     198             : {
     199             : public:
     200        2332 :         ScopeProfiler(Profiler *profiler, const std::string &name,
     201             :                         enum ScopeProfilerType type = SPT_ADD):
     202             :                 m_profiler(profiler),
     203             :                 m_name(name),
     204             :                 m_timer(NULL),
     205        2332 :                 m_type(type)
     206             :         {
     207        2332 :                 if(m_profiler)
     208        2332 :                         m_timer = new TimeTaker(m_name.c_str());
     209        2332 :         }
     210             :         // name is copied
     211       63525 :         ScopeProfiler(Profiler *profiler, const char *name,
     212             :                         enum ScopeProfilerType type = SPT_ADD):
     213             :                 m_profiler(profiler),
     214             :                 m_name(name),
     215             :                 m_timer(NULL),
     216       63525 :                 m_type(type)
     217             :         {
     218       63525 :                 if(m_profiler)
     219       63525 :                         m_timer = new TimeTaker(m_name.c_str());
     220       63525 :         }
     221       65857 :         ~ScopeProfiler()
     222       65857 :         {
     223       65857 :                 if(m_timer)
     224             :                 {
     225       65857 :                         float duration_ms = m_timer->stop(true);
     226       65857 :                         float duration = duration_ms / 1000.0;
     227       65857 :                         if(m_profiler){
     228       65857 :                                 switch(m_type){
     229             :                                 case SPT_ADD:
     230        2194 :                                         m_profiler->add(m_name, duration);
     231        2194 :                                         break;
     232             :                                 case SPT_AVG:
     233       63663 :                                         m_profiler->avg(m_name, duration);
     234       63663 :                                         break;
     235             :                                 case SPT_GRAPH_ADD:
     236           0 :                                         m_profiler->graphAdd(m_name, duration);
     237           0 :                                         break;
     238             :                                 }
     239             :                         }
     240       65857 :                         delete m_timer;
     241             :                 }
     242       65857 :         }
     243             : private:
     244             :         Profiler *m_profiler;
     245             :         std::string m_name;
     246             :         TimeTaker *m_timer;
     247             :         enum ScopeProfilerType m_type;
     248             : };
     249             : 
     250             : #endif
     251             : 

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