source/mupen64plus-core/src/r4300/profile.c

   1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
   2  *   Mupen64plus - profile.c                                               *
   3  *   Mupen64Plus homepage: http://code.google.com/p/mupen64plus/           *
   4  *   Copyright (C) 2012 CasualJames                                        *
   5  *   Copyright (C) 2002 Hacktarux                                          *
   6  *                                                                         *
   7  *   This program is free software; you can redistribute it and/or modify  *
   8  *   it under the terms of the GNU General Public License as published by  *
   9  *   the Free Software Foundation; either version 2 of the License, or     *
  10  *   (at your option) any later version.                                   *
  11  *                                                                         *
  12  *   This program is distributed in the hope that it will be useful,       *
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  15  *   GNU General Public License for more details.                          *
  16  *                                                                         *
  17  *   You should have received a copy of the GNU General Public License     *
  18  *   along with this program; if not, write to the                         *
  19  *   Free Software Foundation, Inc.,                                       *
  20  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.          *
  21  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  22
  23 #ifdef PROFILE
  24 #include "r4300.h"
  25
  26 #include "api/m64p_types.h"
  27 #include "api/callbacks.h"
  28
  29 static long long int time_in_section[5];
  30 static long long int last_start[5];
  31
  32 #if defined(WIN32) && !defined(__MINGW32__)
  33   // timing
  34   #include <windows.h>
  35   static long long int get_time(void)
  36   {
  37       LARGE_INTEGER counter;
  38       QueryPerformanceCounter(&counter);
  39       return counter.QuadPart;
  40   }
  41   static long long int time_to_nsec(long long int time)
  42   {
  43       static LARGE_INTEGER freq = { 0 };
  44       if (freq.QuadPart == 0)
  45           QueryPerformanceFrequency(&freq);
  46       return time * 1000000000 / freq.QuadPart;
  47   }
  48
  49 #else  /* Not WIN32 */
  50   // timing
  51   #include <time.h>
  52   static long long int get_time(void)
  53   {
  54      struct timespec ts;
  55      clock_gettime(CLOCK_MONOTONIC, &ts);
  56      return (long long int)ts.tv_sec * 1000000000 + ts.tv_nsec;
  57   }
  58   static long long int time_to_nsec(long long int time)
  59   {
  60       return time;
  61   }
  62 #endif
  63
  64 void start_section(int section_type)
  65 {
  66    last_start[section_type] = get_time();
  67 }
  68
  69 void end_section(int section_type)
  70 {
  71    long long int end = get_time();
  72    time_in_section[section_type] += end - last_start[section_type];
  73 }
  74
  75 void refresh_stat()
  76 {
  77    long long int curr_time = get_time();
  78    if(time_to_nsec(curr_time - last_start[ALL_SECTION]) >= 2000000000)
  79    {
  80       time_in_section[ALL_SECTION] = curr_time - last_start[ALL_SECTION];
  81       DebugMessage(M64MSG_INFO, "gfx=%f%% - audio=%f%% - compiler=%f%%, idle=%f%%",
  82          100.0 * (double)time_in_section[GFX_SECTION] / time_in_section[ALL_SECTION],
  83          100.0 * (double)time_in_section[AUDIO_SECTION] / time_in_section[ALL_SECTION],
  84          100.0 * (double)time_in_section[COMPILER_SECTION] / time_in_section[ALL_SECTION],
  85          100.0 * (double)time_in_section[IDLE_SECTION] / time_in_section[ALL_SECTION]);
  86       DebugMessage(M64MSG_INFO, "gfx=%llins - audio=%llins - compiler %llins - idle=%llins",
  87          time_to_nsec(time_in_section[GFX_SECTION]),
  88          time_to_nsec(time_in_section[AUDIO_SECTION]),
  89          time_to_nsec(time_in_section[COMPILER_SECTION]),
  90          time_to_nsec(time_in_section[IDLE_SECTION]));
  91       time_in_section[GFX_SECTION] = 0;
  92       time_in_section[AUDIO_SECTION] = 0;
  93       time_in_section[COMPILER_SECTION] = 0;
  94       time_in_section[IDLE_SECTION] = 0;
  95       last_start[ALL_SECTION] = curr_time;
  96    }
  97 }
  98
  99 #endif
 100