git.cworth.org Git - fips/blob - metrics.c

   1 /* Copyright © 2013, Intel Corporation
   2  *
   3  * Permission is hereby granted, free of charge, to any person obtaining a copy
   4  * of this software and associated documentation files (the "Software"), to deal
   5  * in the Software without restriction, including without limitation the rights
   6  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   7  * copies of the Software, and to permit persons to whom the Software is
   8  * furnished to do so, subject to the following conditions:
   9  *
  10  * The above copyright notice and this permission notice shall be included in
  11  * all copies or substantial portions of the Software.
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  19  * THE SOFTWARE.
  20  */
  21
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24
  25 #include <sys/time.h>
  26
  27 #include "fips-dispatch-gl.h"
  28
  29 #include "metrics.h"
  30
  31 typedef struct counter
  32 {
  33         unsigned id;
  34         unsigned program;
  35         struct counter *next;
  36 } counter_t;
  37
  38 typedef struct program_metrics
  39 {
  40         unsigned id;
  41         double ticks;
  42 } program_metrics_t;
  43
  44 typedef struct context
  45 {
  46         unsigned int program;
  47
  48         counter_t *counter_head;
  49         counter_t *counter_tail;
  50
  51         unsigned num_program_metrics;
  52         program_metrics_t *program_metrics;
  53 } context_t;
  54
  55 /* FIXME: Need a map from integers to context objects and track the
  56  * current context with glXMakeContextCurrent, eglMakeCurrent, etc. */
  57
  58 context_t current_context;
  59
  60 int frames;
  61 int verbose;
  62
  63 unsigned
  64 metrics_counter_new (void)
  65 {
  66         counter_t *counter;
  67
  68         counter = malloc (sizeof(counter_t));
  69         if (counter == NULL) {
  70                 fprintf (stderr, "Out of memory\n");
  71                 exit (1);
  72         }
  73
  74         glGenQueries (1, &counter->id);
  75
  76         counter->program = current_context.program;
  77         counter->next = NULL;
  78
  79         if (current_context.counter_tail) {
  80                 current_context.counter_tail->next = counter;
  81                 current_context.counter_tail = counter;
  82         } else {
  83                 current_context.counter_tail = counter;
  84                 current_context.counter_head = counter;
  85         }
  86
  87         return counter->id;
  88 }
  89
  90 void
  91 metrics_counter_start (unsigned counter)
  92 {
  93         glBeginQuery (GL_TIME_ELAPSED, counter);
  94 }
  95
  96 void
  97 metrics_counter_stop (void)
  98 {
  99         glEndQuery (GL_TIME_ELAPSED);
 100 }
 101
 102 void
 103 metrics_set_current_program (unsigned program)
 104 {
 105         current_context.program = program;
 106 }
 107
 108 static void
 109 accumulate_program_ticks (unsigned program_id, unsigned ticks)
 110 {
 111         context_t *ctx = &current_context;
 112         unsigned i;
 113
 114         if (program_id >= ctx->num_program_metrics) {
 115                 ctx->program_metrics = realloc (ctx->program_metrics,
 116                                                 (program_id + 1) * sizeof (program_metrics_t));
 117                 for (i = ctx->num_program_metrics; i < program_id + 1; i++) {
 118                         ctx->program_metrics[i].id = i;
 119                         ctx->program_metrics[i].ticks = 0.0;
 120                 }
 121
 122                 ctx->num_program_metrics = program_id + 1;
 123         }
 124
 125         ctx->program_metrics[program_id].ticks += ticks;
 126 }
 127
 128 /* FIXME: Should sort the metrics, print out percentages, etc. */
 129 static void
 130 print_program_metrics (void)
 131 {
 132         context_t *ctx = &current_context;
 133         unsigned i;
 134
 135         for (i = 0; i < ctx->num_program_metrics; i++) {
 136                 if (ctx->program_metrics[i].ticks == 0.0)
 137                         continue;
 138                 printf ("Program %d:\t%7.2f mega-ticks\n",
 139                         i, ctx->program_metrics[i].ticks / 1e6);
 140         }
 141 }
 142
 143 /* Called at program exit */
 144 static void
 145 metrics_exit (void)
 146 {
 147         if (verbose)
 148                 printf ("fips: terminating\n");
 149 }
 150
 151
 152 void
 153 metrics_end_frame (void)
 154 {
 155         static int initialized = 0;
 156         static struct timeval tv_start, tv_now;
 157
 158         if (! initialized) {
 159                 gettimeofday (&tv_start, NULL);
 160                 atexit (metrics_exit);
 161                 if (getenv ("FIPS_VERBOSE"))
 162                         verbose = 1;
 163                 initialized = 1;
 164         }
 165
 166         if (verbose)
 167                 printf ("fips: frame %d complete\n", frames);
 168
 169         frames++;
 170         gettimeofday (&tv_now, NULL);
 171
 172         /* Consume all counters that are ready. */
 173         counter_t *counter = current_context.counter_head;
 174
 175         while (counter) {
 176                 GLuint available, elapsed;
 177
 178                 glGetQueryObjectuiv (counter->id, GL_QUERY_RESULT_AVAILABLE,
 179                                      &available);
 180                 if (! available)
 181                         break;
 182
 183                 glGetQueryObjectuiv (counter->id, GL_QUERY_RESULT, &elapsed);
 184
 185                 accumulate_program_ticks (counter->program, elapsed);
 186
 187                 current_context.counter_head = counter->next;
 188                 if (current_context.counter_head == NULL)
 189                         current_context.counter_tail = NULL;
 190
 191                 glDeleteQueries (1, &counter->id);
 192
 193                 free (counter);
 194                 counter = current_context.counter_head;
 195         }
 196
 197         if (frames % 60 == 0) {
 198                 double fps;
 199
 200                 fps = (double) frames / (tv_now.tv_sec - tv_start.tv_sec +
 201                                          (tv_now.tv_usec - tv_start.tv_usec) / 1.0e6);
 202
 203                 printf("FPS: %.3f\n", fps);
 204
 205                 print_program_metrics ();
 206         }
 207 }