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 #define _GNU_SOURCE
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <assert.h>
  27 #include <sys/time.h>
  28
  29 #include "fips-dispatch-gl.h"
  30
  31 #include "metrics.h"
  32 #include "context.h"
  33 #include "metrics-info.h"
  34 #include "xmalloc.h"
  35
  36 int frames;
  37 int verbose;
  38
  39 #define MAX_MONITORS_IN_FLIGHT 1000
  40
  41 /* Timer query */
  42 typedef struct timer_query
  43 {
  44         unsigned id;
  45
  46         metrics_op_t op;
  47         struct timer_query *next;
  48 } timer_query_t;
  49
  50 /* Performance-monitor query */
  51 typedef struct monitor
  52 {
  53         unsigned id;
  54
  55         metrics_op_t op;
  56         struct monitor *next;
  57 } monitor_t;
  58
  59 typedef struct op_metrics
  60 {
  61         /* This happens to also be the index into the
  62          * metrics->op_metrics array currently
  63          */
  64         metrics_op_t op;
  65         double time_ns;
  66
  67         double **counters;
  68 } op_metrics_t;
  69
  70 struct metrics
  71 {
  72         /* Description of all available peformance counters, counter
  73          * groups, their names and IDs, etc. */
  74         metrics_info_t *info;
  75
  76         /* The current operation being measured. */
  77         metrics_op_t op;
  78
  79         /* GL_TIME_ELAPSED query for which glEndQuery has not yet
  80          * been called. */
  81         unsigned timer_begun_id;
  82
  83         /* GL_TIME_ELAPSED queries for which glEndQuery has been
  84          * called, (but results have not yet been queried). */
  85         timer_query_t *timer_head;
  86         timer_query_t *timer_tail;
  87
  88         /* Performance monitor for which glEndPerfMonitorAMD has not
  89          * yet been called. */
  90         unsigned monitor_begun_id;
  91
  92         /* Performance monitors for which glEndPerfMonitorAMD has
  93          * been called, (but results have not yet been queried). */
  94         monitor_t *monitor_head;
  95         monitor_t *monitor_tail;
  96
  97         int monitors_in_flight;
  98
  99         unsigned num_op_metrics;
 100         op_metrics_t *op_metrics;
 101 };
 102
 103 metrics_t *
 104 metrics_create (metrics_info_t *info)
 105 {
 106         metrics_t *metrics;
 107
 108         metrics = xmalloc (sizeof (metrics_t));
 109
 110         metrics->info = info;
 111
 112         metrics->op = 0;
 113
 114         metrics->timer_begun_id = 0;
 115
 116         metrics->timer_head = NULL;
 117         metrics->timer_tail = NULL;
 118
 119         metrics->monitor_begun_id = 0;
 120
 121         metrics->monitor_head = NULL;
 122         metrics->monitor_tail = NULL;
 123
 124         metrics->monitors_in_flight = 0;
 125
 126         metrics->num_op_metrics = 0;
 127         metrics->op_metrics = NULL;
 128
 129         return metrics;
 130 }
 131
 132 void
 133 metrics_fini (metrics_t *metrics)
 134 {
 135         timer_query_t *timer, *timer_next;
 136         monitor_t *monitor, *monitor_next;
 137
 138         /* Discard and cleanup any outstanding queries. */
 139         if (metrics->timer_begun_id) {
 140                 glEndQuery (GL_TIME_ELAPSED);
 141                 glDeleteQueries (1, &metrics->timer_begun_id);
 142                 metrics->timer_begun_id = 0;
 143         }
 144
 145         for (timer = metrics->timer_head;
 146              timer;
 147              timer = timer_next)
 148         {
 149                 glDeleteQueries (1, &timer->id);
 150                 timer_next = timer->next;
 151                 free (timer);
 152         }
 153         metrics->timer_head = NULL;
 154         metrics->timer_tail = NULL;
 155
 156         if (metrics->info->have_perfmon) {
 157
 158                 if (metrics->monitor_begun_id) {
 159                         glEndPerfMonitorAMD (metrics->monitor_begun_id);
 160                         glDeletePerfMonitorsAMD (1, &metrics->monitor_begun_id);
 161                         metrics->monitor_begun_id = 0;
 162                 }
 163
 164                 for (monitor = metrics->monitor_head;
 165                      monitor;
 166                      monitor = monitor_next)
 167                 {
 168                         glDeletePerfMonitorsAMD (1, &monitor->id);
 169                         monitor_next = monitor->next;
 170                         free (monitor);
 171                 }
 172                 metrics->monitor_head = NULL;
 173                 metrics->monitor_tail = NULL;
 174
 175         }
 176
 177         metrics->monitors_in_flight = 0;
 178 }
 179
 180 void
 181 metrics_destroy (metrics_t *metrics)
 182 {
 183         metrics_fini (metrics);
 184
 185         free (metrics);
 186 }
 187
 188 static const char *
 189 metrics_op_string (metrics_op_t op)
 190 {
 191         if (op >= METRICS_OP_SHADER)
 192                 return "Shader program";
 193
 194         switch (op)
 195         {
 196         case METRICS_OP_ACCUM:
 197                 return "glAccum*(+)";
 198         case METRICS_OP_BUFFER_DATA:
 199                 return "glBufferData(+)";
 200         case METRICS_OP_BUFFER_SUB_DATA:
 201                 return "glCopyBufferSubData*";
 202         case METRICS_OP_BITMAP:
 203                 return "glBitmap*";
 204         case METRICS_OP_BLIT_FRAMEBUFFER:
 205                 return "glBlitFramebuffer*";
 206         case METRICS_OP_CLEAR:
 207                 return "glClear(+)";
 208         case METRICS_OP_CLEAR_BUFFER_DATA:
 209                 return "glCearBufferData(+)";
 210         case METRICS_OP_CLEAR_TEX_IMAGE:
 211                 return "glClearTexImage(+)";
 212         case METRICS_OP_COPY_PIXELS:
 213                 return "glCopyPixels";
 214         case METRICS_OP_COPY_TEX_IMAGE:
 215                 return "glCopyTexImage(+)";
 216         case METRICS_OP_DRAW_PIXELS:
 217                 return "glDrawPixels";
 218         case METRICS_OP_GET_TEX_IMAGE:
 219                 return "glGetTexImage(+)";
 220         case METRICS_OP_READ_PIXELS:
 221                 return "glReadPixels*";
 222         case METRICS_OP_TEX_IMAGE:
 223                 return "glTexImage*(+)";
 224         default:
 225                 fprintf (stderr, "fips: Internal error: "
 226                          "Unknown metrics op value: %d\n", op);
 227                 exit (1);
 228         }
 229
 230         return "";
 231 }
 232
 233 void
 234 metrics_counter_start (metrics_t *metrics)
 235 {
 236         unsigned i;
 237
 238         /* Initialize the timer_query object. */
 239         glGenQueries (1, &metrics->timer_begun_id);
 240
 241         /* Most everything else in this function is
 242          * performance-monitor related. If we don't have that
 243          * extension, just start the timer query and be done. */
 244         if (! metrics->info->have_perfmon) {
 245                 glBeginQuery (GL_TIME_ELAPSED, metrics->timer_begun_id);
 246                 return;
 247         }
 248
 249         /* Initialize the performance-monitor object */
 250         glGenPerfMonitorsAMD (1, &metrics->monitor_begun_id);
 251
 252         for (i = 0; i < metrics->info->num_groups; i++)
 253         {
 254                 metrics_group_info_t *group;
 255                 int num_counters;
 256
 257                 group = &metrics->info->groups[i];
 258
 259                 num_counters = group->num_counters;
 260                 if (group->max_active_counters < group->num_counters)
 261                 {
 262                         fprintf (stderr, "Warning: Only monitoring %d/%d counters from group %d\n",
 263                                  group->max_active_counters,
 264                                  group->num_counters, i);
 265                         num_counters = group->max_active_counters;
 266
 267                 }
 268
 269                 glSelectPerfMonitorCountersAMD(metrics->monitor_begun_id,
 270                                                GL_TRUE, group->id,
 271                                                num_counters,
 272                                                group->counter_ids);
 273         }
 274
 275         /* Start the queries */
 276         glBeginQuery (GL_TIME_ELAPSED, metrics->timer_begun_id);
 277
 278         glBeginPerfMonitorAMD (metrics->monitor_begun_id);
 279 }
 280
 281 void
 282 metrics_counter_stop (metrics_t *metrics)
 283 {
 284         timer_query_t *timer;
 285         monitor_t *monitor;
 286
 287         /* Stop the current timer and monitor. */
 288         glEndQuery (GL_TIME_ELAPSED);
 289
 290         if (metrics->info->have_perfmon)
 291                 glEndPerfMonitorAMD (metrics->monitor_begun_id);
 292
 293         /* Add these IDs to our lists of outstanding queries and
 294          * monitors so the results can be collected later. */
 295         timer = xmalloc (sizeof (timer_query_t));
 296
 297         timer->op = metrics->op;
 298         timer->id = metrics->timer_begun_id;
 299         timer->next = NULL;
 300
 301         if (metrics->timer_tail) {
 302                 metrics->timer_tail->next = timer;
 303                 metrics->timer_tail = timer;
 304         } else {
 305                 metrics->timer_tail = timer;
 306                 metrics->timer_head = timer;
 307         }
 308
 309         if (metrics->info->have_perfmon) {
 310                 /* Create a new performance-monitor query */
 311                 monitor = xmalloc (sizeof (monitor_t));
 312
 313                 monitor->op = metrics->op;
 314                 monitor->id = metrics->monitor_begun_id;
 315                 monitor->next = NULL;
 316
 317                 if (metrics->monitor_tail) {
 318                         metrics->monitor_tail->next = monitor;
 319                         metrics->monitor_tail = monitor;
 320                 } else {
 321                         metrics->monitor_tail = monitor;
 322                         metrics->monitor_head = monitor;
 323                 }
 324         }
 325
 326         metrics->monitors_in_flight++;
 327
 328         /* Avoid being a resource hog and collect outstanding results
 329          * once we have sent off a large number of
 330          * queries. (Presumably, many of the outstanding queries are
 331          * available by now.)
 332          */
 333         if (metrics->monitors_in_flight > MAX_MONITORS_IN_FLIGHT)
 334                 metrics_collect_available (metrics);
 335 }
 336
 337 void
 338 metrics_set_current_op (metrics_t *metrics, metrics_op_t op)
 339 {
 340         metrics->op = op;
 341 }
 342
 343 metrics_op_t
 344 metrics_get_current_op (metrics_t *metrics)
 345 {
 346         return metrics->op;
 347 }
 348
 349 static void
 350 op_metrics_init (metrics_info_t *info, op_metrics_t *metrics, metrics_op_t op)
 351 {
 352         unsigned i, j;
 353
 354         metrics->op = op;
 355         metrics->time_ns = 0.0;
 356
 357         metrics->counters = xmalloc (sizeof(double *) * info->num_groups);
 358
 359         for (i = 0; i < info->num_groups; i++) {
 360                 metrics->counters[i] = xmalloc (sizeof (double) *
 361                                                 info->groups[i].num_counters);
 362                 for (j = 0; j < info->groups[i].num_counters; j++)
 363                         metrics->counters[i][j] = 0.0;
 364         }
 365 }
 366
 367 static op_metrics_t *
 368 _get_op_metrics (metrics_t *metrics, metrics_op_t op)
 369 {
 370         unsigned i;
 371
 372         if (op >= metrics->num_op_metrics)
 373         {
 374                 metrics->op_metrics = realloc (metrics->op_metrics,
 375                                                (op + 1) * sizeof (op_metrics_t));
 376                 for (i = metrics->num_op_metrics; i < op + 1; i++)
 377                         op_metrics_init (metrics->info, &metrics->op_metrics[i], i);
 378
 379                 metrics->num_op_metrics = op + 1;
 380         }
 381
 382         return &metrics->op_metrics[op];
 383 }
 384
 385 static void
 386 accumulate_program_metrics (metrics_t *metrics, metrics_op_t op,
 387                             GLuint *result, GLuint size)
 388 {
 389 #define CONSUME(var)                                                    \
 390         if (p + sizeof(var) > ((unsigned char *) result) + size)        \
 391         {                                                               \
 392                 fprintf (stderr, "Unexpected end-of-buffer while "      \
 393                          "parsing results\n");                          \
 394                 break;                                                  \
 395         }                                                               \
 396         (var) = *((typeof(var) *) p);                                   \
 397         p += sizeof(var);
 398
 399         metrics_info_t *info = metrics->info;
 400         op_metrics_t *op_metrics = _get_op_metrics (metrics, op);
 401         unsigned char *p = (unsigned char *) result;
 402
 403         while (p < ((unsigned char *) result) + size)
 404         {
 405                 GLuint group_id, group_index;
 406                 GLuint counter_id, counter_index;
 407                 metrics_group_info_t *group;
 408                 double value = 0.0;
 409                 unsigned i;
 410
 411                 CONSUME (group_id);
 412                 CONSUME (counter_id);
 413
 414                 for (i = 0; i < info->num_groups; i++) {
 415                         if (info->groups[i].id == group_id)
 416                                 break;
 417                 }
 418                 group_index = i;
 419                 assert (group_index < info->num_groups);
 420                 group = &info->groups[group_index];
 421
 422                 for (i = 0; i < group->num_counters; i++) {
 423                         if (group->counter_ids[i] == counter_id)
 424                                 break;
 425                 }
 426                 counter_index = i;
 427                 assert (counter_index < group->num_counters);
 428
 429                 switch (group->counter_types[counter_index])
 430                 {
 431                         uint uint_value;
 432                         uint64_t uint64_value;
 433                         float float_value;
 434                 case GL_UNSIGNED_INT:
 435                         CONSUME (uint_value);
 436                         value = uint_value;
 437                         break;
 438                 case GL_UNSIGNED_INT64_AMD:
 439                         CONSUME (uint64_value);
 440                         value = uint64_value;
 441                         break;
 442                 case GL_PERCENTAGE_AMD:
 443                 case GL_FLOAT:
 444                         CONSUME (float_value);
 445                         value = float_value;
 446                         break;
 447                 default:
 448                         fprintf (stderr, "fips: Warning: Unknown counter value type (%d)\n",
 449                                  group->counter_types[counter_index]);
 450                         value = 0.0;
 451                         break;
 452                 }
 453
 454                 op_metrics->counters[group_index][counter_index] += value;
 455         }
 456 }
 457
 458 static void
 459 accumulate_program_time (metrics_t *metrics, metrics_op_t op, unsigned time_ns)
 460 {
 461         op_metrics_t *op_metrics;
 462
 463         op_metrics = _get_op_metrics (metrics, op);
 464
 465         op_metrics->time_ns += time_ns;
 466 }
 467
 468 typedef struct per_stage_metrics
 469 {
 470         op_metrics_t *metrics;
 471         shader_stage_info_t *stage;
 472         double time_ns;
 473         double active;
 474 } per_stage_metrics_t;
 475
 476 static int
 477 _is_shader_stage_counter (metrics_info_t *info,
 478                           unsigned group_index,
 479                           unsigned counter_index)
 480 {
 481         shader_stage_info_t *stage;
 482         unsigned i;
 483
 484         for (i = 0; i < info->num_shader_stages; i++) {
 485                 stage = &info->stages[i];
 486
 487                 if (stage->active_group_index == group_index &&
 488                     stage->active_counter_index == counter_index)
 489                 {
 490                         return 1;
 491                 }
 492
 493                 if (stage->stall_group_index == group_index &&
 494                     stage->stall_counter_index == counter_index)
 495                 {
 496                         return 1;
 497                 }
 498         }
 499
 500         return 0;
 501 }
 502
 503 static void
 504 print_per_stage_metrics (metrics_t *metrics,
 505                          per_stage_metrics_t *per_stage,
 506                          double total)
 507 {
 508         metrics_info_t *info = metrics->info;
 509         op_metrics_t *op_metrics = per_stage->metrics;
 510         metrics_group_info_t *group;
 511         const char *op_string;
 512         unsigned group_index, counter;
 513         double value;
 514
 515         /* Don't print anything for stages with no alloted time. */
 516         if (per_stage->time_ns == 0.0)
 517                 return;
 518
 519         op_string = metrics_op_string (op_metrics->op);
 520
 521         printf ("%21s", op_string);
 522
 523         if (op_metrics->op >= METRICS_OP_SHADER) {
 524                 printf (" %3d", op_metrics->op - METRICS_OP_SHADER);
 525         } else {
 526                 printf ("    ");
 527
 528         }
 529
 530         if (per_stage->stage)
 531                 printf (" %cS:", per_stage->stage->name[0]);
 532         else
 533                 printf ("   :");
 534
 535         printf ("\t%7.2f ms (%4.1f%%)",
 536                 per_stage->time_ns / 1e6,
 537                 per_stage->time_ns / total * 100);
 538
 539         if (per_stage->active)
 540                 printf (", %4.1f%% active", per_stage->active * 100);
 541
 542         printf ("\n");
 543
 544         /* I'm not seeing a lot of value printing the rest of these
 545          * performance counters by default yet. Use --verbose to get
 546          * them for now. */
 547         if (! verbose)
 548                 return;
 549
 550         printf ("[");
 551         for (group_index = 0; group_index < info->num_groups; group_index++) {
 552                 group = &info->groups[group_index];
 553                 for (counter = 0; counter < group->num_counters; counter++) {
 554
 555                         /* Don't print this counter value if it's a
 556                          * per-stage cycle counter, (which we have
 557                          * already accounted for). */
 558                         if (_is_shader_stage_counter (info, group_index, counter))
 559                                 continue;
 560
 561                         value = op_metrics->counters[group_index][counter];
 562                         if (value == 0.0)
 563                                 continue;
 564                         printf ("%s: %.2f ", group->counter_names[counter],
 565                                 value / 1e6);
 566                 }
 567         }
 568         printf ("]\n");
 569 }
 570
 571 static int
 572 time_compare(const void *in_a, const void *in_b, void *arg unused)
 573 {
 574         const per_stage_metrics_t *a = in_a;
 575         const per_stage_metrics_t *b = in_b;
 576
 577
 578         if (a->time_ns < b->time_ns)
 579                 return -1;
 580         if (a->time_ns > b->time_ns)
 581                 return 1;
 582         return 0;
 583 }
 584
 585 static void
 586 print_program_metrics (metrics_t *metrics)
 587 {
 588         metrics_info_t *info = metrics->info;
 589         unsigned num_shader_stages = info->num_shader_stages;
 590         per_stage_metrics_t *sorted, *per_stage;
 591         double total_time, op_cycles;
 592         op_metrics_t *op;
 593         unsigned group_index, counter_index;
 594         unsigned i, j, num_sorted;
 595
 596         /* Make a sorted list of the per-stage operations by time
 597          * used, and figure out the total so we can print percentages.
 598          */
 599         if (num_shader_stages)
 600                 num_sorted = metrics->num_op_metrics * num_shader_stages;
 601         else
 602                 num_sorted = metrics->num_op_metrics;
 603
 604         sorted = xmalloc (sizeof (*sorted) * num_sorted);
 605
 606         total_time = 0.0;
 607
 608         for (i = 0; i < metrics->num_op_metrics; i++) {
 609
 610                 op = &metrics->op_metrics[i];
 611
 612                 /* Accumulate total time across all ops. */
 613                 total_time += op->time_ns;
 614
 615                 /* Also, find total cycles in all stages of this op. */
 616                 op_cycles = 0.0;
 617
 618                 if (num_shader_stages == 0) {
 619                         per_stage = &sorted[i];
 620                         per_stage->metrics = op;
 621                         per_stage->stage = NULL;
 622                         per_stage->time_ns = op->time_ns;
 623                         per_stage->active = 0.0;
 624                 }
 625
 626                 for (j = 0; j < num_shader_stages; j++) {
 627                         /* Active cycles */
 628                         group_index = info->stages[j].active_group_index;
 629                         counter_index = info->stages[j].active_counter_index;
 630                         op_cycles += op->counters[group_index][counter_index];
 631
 632                         /* Stall cycles */
 633                         group_index = info->stages[j].stall_group_index;
 634                         counter_index = info->stages[j].stall_counter_index;
 635                         op_cycles += op->counters[group_index][counter_index];
 636                 }
 637
 638                 for (j = 0; j < num_shader_stages; j++) {
 639                         double active_cycles, stall_cycles, stage_cycles;
 640
 641                         /* Active cycles */
 642                         group_index = info->stages[j].active_group_index;
 643                         counter_index = info->stages[j].active_counter_index;
 644                         active_cycles = op->counters[group_index][counter_index];
 645
 646                         /* Stall cycles */
 647                         group_index = info->stages[j].stall_group_index;
 648                         counter_index = info->stages[j].stall_counter_index;
 649                         stall_cycles = op->counters[group_index][counter_index];
 650
 651                         stage_cycles = active_cycles + stall_cycles;
 652
 653                         per_stage = &sorted[i * num_shader_stages + j];
 654                         per_stage->metrics = op;
 655
 656                         if (op_cycles) {
 657                                 per_stage->stage = &info->stages[j];
 658                                 per_stage->time_ns = op->time_ns * (stage_cycles / op_cycles);
 659                         } else {
 660                                 /* If we don't have any per-stage cycle counts
 661                                  * for this operation, then use the first
 662                                  * stage as a placeholder for all the time,
 663                                  * but NULL-ify the stage info so that the
 664                                  * report doesn't lie about this time being
 665                                  * from any particular stage. */
 666                                 per_stage->stage = NULL;
 667                                 if (j == 0) {
 668                                         per_stage->time_ns = op->time_ns;
 669                                 } else {
 670                                         per_stage->time_ns = 0.0;
 671                                 }
 672                         }
 673
 674                         if (stage_cycles) {
 675                                 per_stage->active = active_cycles / stage_cycles;
 676                         } else {
 677                                 per_stage->active = 0.0;
 678                         }
 679                 }
 680         }
 681
 682         qsort_r (sorted, num_sorted, sizeof (*sorted),
 683                  time_compare, metrics->op_metrics);
 684
 685         for (i = 0; i < num_sorted; i++)
 686                 print_per_stage_metrics (metrics, &sorted[i], total_time);
 687
 688         free (sorted);
 689 }
 690
 691 void
 692 metrics_collect_available (metrics_t *metrics)
 693 {
 694         /* Consume all timer queries that are ready. */
 695         timer_query_t *timer = metrics->timer_head;
 696
 697         while (timer) {
 698                 GLuint available, elapsed;
 699
 700                 glGetQueryObjectuiv (timer->id,
 701                                      GL_QUERY_RESULT_AVAILABLE, &available);
 702                 if (! available)
 703                         break;
 704
 705                 glGetQueryObjectuiv (timer->id,
 706                                      GL_QUERY_RESULT, &elapsed);
 707
 708                 accumulate_program_time (metrics, timer->op, elapsed);
 709
 710                 metrics->timer_head = timer->next;
 711                 if (metrics->timer_head == NULL)
 712                         metrics->timer_tail = NULL;
 713
 714                 glDeleteQueries (1, &timer->id);
 715
 716                 free (timer);
 717                 timer = metrics->timer_head;
 718         }
 719
 720         if (! metrics->info->have_perfmon)
 721                 return;
 722
 723         /* And similarly for all performance monitors that are ready. */
 724         monitor_t *monitor = metrics->monitor_head;
 725
 726         while (monitor) {
 727                 GLuint available, result_size, *result;
 728                 GLint bytes_written;
 729
 730                 glGetPerfMonitorCounterDataAMD (monitor->id,
 731                                                 GL_PERFMON_RESULT_AVAILABLE_AMD,
 732                                                 sizeof (available), &available,
 733                                                 NULL);
 734                 if (! available)
 735                         break;
 736
 737                 glGetPerfMonitorCounterDataAMD (monitor->id,
 738                                                 GL_PERFMON_RESULT_SIZE_AMD,
 739                                                 sizeof (result_size),
 740                                                 &result_size, NULL);
 741
 742                 result = xmalloc (result_size);
 743
 744                 glGetPerfMonitorCounterDataAMD (monitor->id,
 745                                                 GL_PERFMON_RESULT_AMD,
 746                                                 result_size, result,
 747                                                 &bytes_written);
 748
 749                 accumulate_program_metrics (metrics, monitor->op, result, result_size);
 750
 751                 free (result);
 752
 753                 metrics->monitor_head = monitor->next;
 754                 if (metrics->monitor_head == NULL)
 755                         metrics->monitor_tail = NULL;
 756
 757                 glDeletePerfMonitorsAMD (1, &monitor->id);
 758
 759                 free (monitor);
 760
 761                 metrics->monitors_in_flight--;
 762
 763                 monitor = metrics->monitor_head;
 764         }
 765 }
 766
 767 static void
 768 metrics_exit (void)
 769 {
 770         if (verbose)
 771                 printf ("fips: terminating\n");
 772 }
 773
 774 void
 775 metrics_end_frame (metrics_t *metrics)
 776 {
 777         static int initialized = 0;
 778         static struct timeval tv_start, tv_now;
 779
 780         if (! initialized) {
 781                 gettimeofday (&tv_start, NULL);
 782                 atexit (metrics_exit);
 783                 if (getenv ("FIPS_VERBOSE"))
 784                         verbose = 1;
 785                 initialized = 1;
 786         }
 787
 788         frames++;
 789
 790         metrics_collect_available (metrics);
 791
 792         if (frames % 15 == 0) {
 793                 double fps;
 794
 795                 gettimeofday (&tv_now, NULL);
 796
 797                 fps = (double) frames / (tv_now.tv_sec - tv_start.tv_sec +
 798                                          (tv_now.tv_usec - tv_start.tv_usec) / 1.0e6);
 799
 800                 printf("FPS: %.3f\n", fps);
 801
 802                 print_program_metrics (metrics);
 803         }
 804 }