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.h"
  28 #include "metrics.h"
  29
  30 typedef struct counter
  31 {
  32         unsigned id;
  33         unsigned program;
  34         struct counter *next;
  35 } counter_t;
  36
  37 typedef struct program_metrics
  38 {
  39         unsigned id;
  40         double ticks;
  41 } program_metrics_t;
  42
  43 typedef struct context
  44 {
  45         unsigned int program;
  46
  47         counter_t *counter_head;
  48         counter_t *counter_tail;
  49
  50         unsigned num_program_metrics;
  51         program_metrics_t *program_metrics;
  52 } context_t;
  53
  54 /* FIXME: Need a map from integers to context objects and track the
  55  * current context with glXMakeContextCurrent, eglMakeCurrent, etc. */
  56
  57 context_t current_context;
  58
  59 unsigned
  60 metrics_add_counter (void)
  61 {
  62         counter_t *counter;
  63
  64         counter = malloc (sizeof(counter_t));
  65         if (counter == NULL) {
  66                 fprintf (stderr, "Out of memory\n");
  67                 exit (1);
  68         }
  69
  70         glGenQueries (1, &counter->id);
  71
  72         counter->program = current_context.program;
  73         counter->next = NULL;
  74
  75         if (current_context.counter_tail) {
  76                 current_context.counter_tail->next = counter;
  77                 current_context.counter_tail = counter;
  78         } else {
  79                 current_context.counter_tail = counter;
  80                 current_context.counter_head = counter;
  81         }
  82
  83         return counter->id;
  84 }
  85
  86 void
  87 metrics_set_current_program (unsigned program)
  88 {
  89         current_context.program = program;
  90 }
  91
  92 static void
  93 accumulate_program_ticks (unsigned program_id, unsigned ticks)
  94 {
  95         context_t *ctx = &current_context;
  96         unsigned i;
  97
  98         if (program_id >= ctx->num_program_metrics) {
  99                 ctx->program_metrics = realloc (ctx->program_metrics,
 100                                                 (program_id + 1) * sizeof (program_metrics_t));
 101                 for (i = ctx->num_program_metrics; i < program_id + 1; i++) {
 102                         ctx->program_metrics[i].id = i;
 103                         ctx->program_metrics[i].ticks = 0.0;
 104                 }
 105
 106                 ctx->num_program_metrics = program_id + 1;
 107         }
 108
 109         ctx->program_metrics[program_id].ticks += ticks;
 110 }
 111
 112 /* FIXME: Should sort the metrics, print out percentages, etc. */
 113 static void
 114 print_program_metrics (void)
 115 {
 116         context_t *ctx = &current_context;
 117         unsigned i;
 118
 119         for (i = 0; i < ctx->num_program_metrics; i++) {
 120                 if (ctx->program_metrics[i].ticks == 0.0)
 121                         continue;
 122                 printf ("Program %d:\t%7.2f mega-ticks\n",
 123                         i, ctx->program_metrics[i].ticks / 1e6);
 124         }
 125 }
 126
 127 void
 128 metrics_end_frame (void)
 129 {
 130         static int initialized = 0;
 131         static int frames;
 132         static struct timeval tv_start, tv_now;
 133
 134         if (! initialized) {
 135                 frames = 0;
 136                 gettimeofday (&tv_start, NULL);
 137                 initialized = 1;
 138         }
 139
 140
 141         frames++;
 142         gettimeofday (&tv_now, NULL);
 143
 144         /* Consume all counters that are ready. */
 145         counter_t *counter = current_context.counter_head;
 146
 147         while (counter) {
 148                 GLuint available, elapsed;
 149
 150                 glGetQueryObjectuiv (counter->id, GL_QUERY_RESULT_AVAILABLE,
 151                                      &available);
 152                 if (! available)
 153                         break;
 154
 155                 glGetQueryObjectuiv (counter->id, GL_QUERY_RESULT, &elapsed);
 156
 157                 accumulate_program_ticks (counter->program, elapsed);
 158
 159                 current_context.counter_head = counter->next;
 160                 if (current_context.counter_head == NULL)
 161                         current_context.counter_tail = NULL;
 162
 163                 glDeleteQueries (1, &counter->id);
 164
 165                 free (counter);
 166                 counter = current_context.counter_head;
 167         }
 168
 169         if (frames % 60 == 0) {
 170                 double fps;
 171
 172                 fps = (double) frames / (tv_now.tv_sec - tv_start.tv_sec +
 173                                          (tv_now.tv_usec - tv_start.tv_usec) / 1.0e6);
 174
 175                 printf("FPS: %.3f\n", fps);
 176
 177                 print_program_metrics ();
 178         }
 179 }