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 "xmalloc.h"
  33
  34 /* Timer query */
  35 typedef struct timer_query
  36 {
  37         unsigned id;
  38
  39         metrics_op_t op;
  40         struct timer_query *next;
  41 } timer_query_t;
  42
  43 /* Performance-monitor query */
  44 typedef struct monitor
  45 {
  46         unsigned id;
  47
  48         metrics_op_t op;
  49         struct monitor *next;
  50 } monitor_t;
  51
  52
  53 typedef struct op_metrics
  54 {
  55         /* This happens to also be the index into the
  56          * ctx->op_metrics array currently
  57          */
  58         metrics_op_t op;
  59         double time_ns;
  60
  61         double **counters;
  62 } op_metrics_t;
  63
  64 typedef struct metrics_group_info
  65 {
  66         GLuint id;
  67         char *name;
  68
  69         GLuint num_counters;
  70         GLuint max_active_counters;
  71
  72         GLuint *counter_ids;
  73         char **counter_names;
  74         GLuint *counter_types;
  75
  76 } metrics_group_info_t;
  77
  78 typedef struct shader_stage_info
  79 {
  80         char *name;
  81
  82         GLuint active_group_index;
  83         GLuint active_counter_index;
  84
  85         GLuint stall_group_index;
  86         GLuint stall_counter_index;
  87
  88 } shader_stage_info_t;
  89
  90 typedef struct metrics_info
  91 {
  92         int initialized;
  93
  94         unsigned num_groups;
  95         metrics_group_info_t *groups;
  96
  97         unsigned num_shader_stages;
  98         shader_stage_info_t *stages;
  99
 100 } metrics_info_t;
 101
 102 typedef struct context
 103 {
 104         metrics_info_t metrics_info;
 105
 106         metrics_op_t op;
 107
 108         /* GL_TIME_ELAPSED query for which glEndQuery has not yet
 109          * been called. */
 110         unsigned timer_begun_id;
 111
 112         /* GL_TIME_ELAPSED queries for which glEndQuery has been
 113          * called, (but results have not yet been queried). */
 114         timer_query_t *timer_head;
 115         timer_query_t *timer_tail;
 116
 117         /* Performance monitor for which glEndPerfMonitorAMD has not
 118          * yet been called. */
 119         unsigned monitor_begun_id;
 120
 121         /* Performance monitors for which glEndPerfMonitorAMD has
 122          * been called, (but results have not yet been queried). */
 123         monitor_t *monitor_head;
 124         monitor_t *monitor_tail;
 125
 126         int monitors_in_flight;
 127
 128         unsigned num_op_metrics;
 129         op_metrics_t *op_metrics;
 130 } context_t;
 131
 132 /* FIXME: Need a map from integers to context objects and track the
 133  * current context with glXMakeContextCurrent, eglMakeCurrent, etc. */
 134
 135 context_t current_context;
 136
 137 int frames;
 138 int verbose;
 139
 140 #define MAX_MONITORS_IN_FLIGHT 1000
 141
 142 void
 143 metrics_collect_available (void);
 144
 145 static void
 146 metrics_group_info_init (metrics_group_info_t *group, GLuint id)
 147 {
 148         GLsizei length;
 149         unsigned i;
 150
 151         group->id = id;
 152
 153         /* Get name */
 154         glGetPerfMonitorGroupStringAMD (id, 0, &length, NULL);
 155
 156         group->name = xmalloc (length + 1);
 157
 158         glGetPerfMonitorGroupStringAMD (id, length + 1, NULL, group->name);
 159
 160         /* Get number of counters */
 161         group->num_counters = 0;
 162         group->max_active_counters = 0;
 163         glGetPerfMonitorCountersAMD (group->id,
 164                                      (int *) &group->num_counters,
 165                                      (int *) &group->max_active_counters,
 166                                      0, NULL);
 167
 168         /* Get counter numbers */
 169         group->counter_ids = xmalloc (group->num_counters * sizeof (GLuint));
 170
 171         glGetPerfMonitorCountersAMD (group->id, NULL, NULL,
 172                                      group->num_counters,
 173                                      group->counter_ids);
 174
 175         /* Get counter names */
 176         group->counter_names = xmalloc (group->num_counters * sizeof (char *));
 177         group->counter_types = xmalloc (group->num_counters * sizeof (GLuint));
 178
 179         for (i = 0; i < group->num_counters; i++) {
 180                 glGetPerfMonitorCounterInfoAMD (group->id,
 181                                                 group->counter_ids[i],
 182                                                 GL_COUNTER_TYPE_AMD,
 183                                                 &group->counter_types[i]);
 184
 185                 glGetPerfMonitorCounterStringAMD (group->id,
 186                                                   group->counter_ids[i],
 187                                                   0, &length, NULL);
 188
 189                 group->counter_names[i] = xmalloc (length + 1);
 190
 191                 glGetPerfMonitorCounterStringAMD (group->id,
 192                                                   group->counter_ids[i],
 193                                                   length + 1, NULL,
 194                                                   group->counter_names[i]);
 195         }
 196 }
 197
 198 static void
 199 metrics_group_info_fini (metrics_group_info_t *group)
 200 {
 201         unsigned i;
 202
 203         for (i = 0; i < group->num_counters; i++)
 204                 free (group->counter_names[i]);
 205
 206         free (group->counter_types);
 207         free (group->counter_names);
 208         free (group->counter_ids);
 209
 210         free (group->name);
 211 }
 212
 213 /* A helper function, part of metrics_info_init below. */
 214
 215 typedef enum {
 216         SHADER_ACTIVE,
 217         SHADER_STALL
 218 } shader_phase_t;
 219
 220 static void
 221 _add_shader_stage (metrics_info_t *info, const char *name,
 222                    GLuint group_index, GLuint counter_index,
 223                    shader_phase_t phase)
 224 {
 225         shader_stage_info_t *stage;
 226         char *stage_name, *space;
 227         unsigned i;
 228
 229         stage_name = xstrdup (name);
 230
 231         /* Terminate the stage name at the first space.
 232          *
 233          * This is valid for counter names such as:
 234          *
 235          *      "Vertex Shader Active Time"
 236          * or
 237          *      "Vertex Shader Stall Time - Core Stall"
 238          */
 239         space = strchr (stage_name, ' ');
 240         if (space)
 241                 *space = '\0';
 242
 243         /* Look for an existing stage of the given name. */
 244         stage = NULL;
 245
 246         for (i = 0; i < info->num_shader_stages; i++) {
 247                 if (strcmp (info->stages[i].name, stage_name) == 0) {
 248                         stage = &info->stages[i];
 249                         break;
 250                 }
 251         }
 252
 253         if (stage == NULL) {
 254                 info->num_shader_stages++;
 255                 info->stages = xrealloc (info->stages,
 256                                          info->num_shader_stages *
 257                                          sizeof (shader_stage_info_t));
 258                 stage = &info->stages[info->num_shader_stages - 1];
 259                 stage->name = xstrdup (stage_name);
 260                 stage->active_group_index = 0;
 261                 stage->active_counter_index = 0;
 262                 stage->stall_group_index = 0;
 263                 stage->stall_counter_index = 0;
 264         }
 265
 266         if (phase == SHADER_ACTIVE) {
 267                 stage->active_group_index = group_index;
 268                 stage->active_counter_index = counter_index;
 269         } else {
 270                 stage->stall_group_index = group_index;
 271                 stage->stall_counter_index = counter_index;
 272         }
 273
 274         free (stage_name);
 275 }
 276
 277 void
 278 metrics_info_init (void)
 279 {
 280         unsigned i, j;
 281         GLuint *group_ids;
 282         metrics_info_t *info = &current_context.metrics_info;
 283
 284         glGetPerfMonitorGroupsAMD ((int *) &info->num_groups, 0, NULL);
 285
 286         group_ids = xmalloc (info->num_groups * sizeof (GLuint));
 287
 288         glGetPerfMonitorGroupsAMD (NULL, info->num_groups, group_ids);
 289
 290         info->groups = xmalloc (info->num_groups * sizeof (metrics_group_info_t));
 291
 292         for (i = 0; i < info->num_groups; i++)
 293                 metrics_group_info_init (&info->groups[i], group_ids[i]);
 294
 295         free (group_ids);
 296
 297         /* Identify each shader stage (by looking at
 298          * performance-counter names for specific patterns) and
 299          * initialize structures referring to the corresponding
 300          * counter numbers for each stage. */
 301         info->num_shader_stages = 0;
 302         info->stages = NULL;
 303
 304         for (i = 0; i < info->num_groups; i++) {
 305                 metrics_group_info_t *group = &info->groups[i];
 306                 for (j = 0; j < group->num_counters; j++) {
 307                         char *name = group->counter_names[j];
 308                         if (strstr (name, "Shader Active Time")) {
 309                                 _add_shader_stage (info, name, i, j,
 310                                                    SHADER_ACTIVE);
 311                         }
 312                         if (strstr (name, "Shader Stall Time")) {
 313                                 _add_shader_stage (info, name, i, j,
 314                                                    SHADER_STALL);
 315                         }
 316                 }
 317         }
 318
 319         info->initialized = 1;
 320 }
 321
 322 void
 323 metrics_info_fini (void)
 324 {
 325         context_t *ctx = &current_context;
 326         metrics_info_t *info = &ctx->metrics_info;
 327         unsigned i;
 328         timer_query_t *timer, *timer_next;
 329         monitor_t *monitor, *monitor_next;
 330
 331         if (! info->initialized)
 332                 return;
 333
 334         metrics_collect_available ();
 335
 336         if (ctx->timer_begun_id) {
 337                 glEndQuery (GL_TIME_ELAPSED);
 338                 glDeleteQueries (1, &ctx->timer_begun_id);
 339                 ctx->timer_begun_id = 0;
 340         }
 341
 342         for (timer = ctx->timer_head;
 343              timer;
 344              timer = timer_next)
 345         {
 346                 glDeleteQueries (1, &timer->id);
 347                 timer_next = timer->next;
 348                 free (timer);
 349         }
 350         ctx->timer_head = NULL;
 351         ctx->timer_tail = NULL;
 352
 353         if (ctx->monitor_begun_id) {
 354                 glEndPerfMonitorAMD (ctx->monitor_begun_id);
 355                 glDeletePerfMonitorsAMD (1, &ctx->monitor_begun_id);
 356                 ctx->monitor_begun_id = 0;
 357         }
 358
 359         for (monitor = ctx->monitor_head;
 360              monitor;
 361              monitor = monitor_next)
 362         {
 363                 glDeletePerfMonitorsAMD (1, &monitor->id);
 364                 monitor_next = monitor->next;
 365                 free (monitor);
 366         }
 367         ctx->monitor_head = NULL;
 368         ctx->monitor_tail = NULL;
 369
 370         current_context.monitors_in_flight = 0;
 371
 372         for (i = 0; i < info->num_groups; i++)
 373                 metrics_group_info_fini (&info->groups[i]);
 374
 375         free (info->groups);
 376         info->groups = NULL;
 377
 378         for (i = 0; i < info->num_shader_stages; i++)
 379                 free (info->stages[i].name);
 380
 381         free (info->stages);
 382         info->stages = NULL;
 383
 384         info->initialized = 0;
 385 }
 386
 387 static const char *
 388 metrics_op_string (metrics_op_t op)
 389 {
 390         if (op >= METRICS_OP_SHADER)
 391                 return "Shader program";
 392
 393         switch (op)
 394         {
 395         case METRICS_OP_ACCUM:
 396                 return "glAccum*(+)";
 397         case METRICS_OP_BUFFER_DATA:
 398                 return "glBufferData(+)";
 399         case METRICS_OP_BUFFER_SUB_DATA:
 400                 return "glCopyBufferSubData*";
 401         case METRICS_OP_BITMAP:
 402                 return "glBitmap*";
 403         case METRICS_OP_BLIT_FRAMEBUFFER:
 404                 return "glBlitFramebuffer*";
 405         case METRICS_OP_CLEAR:
 406                 return "glClear(+)";
 407         case METRICS_OP_CLEAR_BUFFER_DATA:
 408                 return "glCearBufferData(+)";
 409         case METRICS_OP_CLEAR_TEX_IMAGE:
 410                 return "glClearTexImage(+)";
 411         case METRICS_OP_COPY_PIXELS:
 412                 return "glCopyPixels";
 413         case METRICS_OP_COPY_TEX_IMAGE:
 414                 return "glCopyTexImage(+)";
 415         case METRICS_OP_DRAW_PIXELS:
 416                 return "glDrawPixels";
 417         case METRICS_OP_GET_TEX_IMAGE:
 418                 return "glGetTexImage(+)";
 419         case METRICS_OP_READ_PIXELS:
 420                 return "glReadPixels*";
 421         case METRICS_OP_TEX_IMAGE:
 422                 return "glTexImage*(+)";
 423         default:
 424                 fprintf (stderr, "fips: Internal error: "
 425                          "Unknown metrics op value: %d\n", op);
 426                 exit (1);
 427         }
 428
 429         return "";
 430 }
 431
 432 void
 433 metrics_counter_start (void)
 434 {
 435         context_t *ctx = &current_context;
 436         unsigned i;
 437
 438         /* Initialize the timer_query and monitor objects */
 439         glGenQueries (1, &ctx->timer_begun_id);
 440
 441         glGenPerfMonitorsAMD (1, &ctx->monitor_begun_id);
 442
 443         for (i = 0; i < ctx->metrics_info.num_groups; i++)
 444         {
 445                 metrics_group_info_t *group;
 446                 int num_counters;
 447
 448                 group = &ctx->metrics_info.groups[i];
 449
 450                 num_counters = group->num_counters;
 451                 if (group->max_active_counters < group->num_counters)
 452                 {
 453                         fprintf (stderr, "Warning: Only monitoring %d/%d counters from group %d\n",
 454                                  group->max_active_counters,
 455                                  group->num_counters, i);
 456                         num_counters = group->max_active_counters;
 457
 458                 }
 459
 460                 glSelectPerfMonitorCountersAMD(ctx->monitor_begun_id,
 461                                                GL_TRUE, group->id,
 462                                                num_counters,
 463                                                group->counter_ids);
 464         }
 465
 466         /* Start the queries */
 467         glBeginQuery (GL_TIME_ELAPSED, ctx->timer_begun_id);
 468
 469         glBeginPerfMonitorAMD (ctx->monitor_begun_id);
 470 }
 471
 472 void
 473 metrics_counter_stop (void)
 474 {
 475         context_t *ctx = &current_context;
 476         timer_query_t *timer;
 477         monitor_t *monitor;
 478
 479         /* Stop the current timer and monitor. */
 480         glEndQuery (GL_TIME_ELAPSED);
 481         glEndPerfMonitorAMD (ctx->monitor_begun_id);
 482
 483         /* Add these IDs to our lists of outstanding queries and
 484          * monitors so the results can be collected later. */
 485         timer = xmalloc (sizeof (timer_query_t));
 486
 487         timer->op = ctx->op;
 488         timer->id = ctx->timer_begun_id;
 489         timer->next = NULL;
 490
 491         if (ctx->timer_tail) {
 492                 ctx->timer_tail->next = timer;
 493                 ctx->timer_tail = timer;
 494         } else {
 495                 ctx->timer_tail = timer;
 496                 ctx->timer_head = timer;
 497         }
 498
 499         /* Create a new performance-monitor query */
 500         monitor = xmalloc (sizeof (monitor_t));
 501
 502         monitor->op = ctx->op;
 503         monitor->id = ctx->monitor_begun_id;
 504         monitor->next = NULL;
 505
 506         if (ctx->monitor_tail) {
 507                 ctx->monitor_tail->next = monitor;
 508                 ctx->monitor_tail = monitor;
 509         } else {
 510                 ctx->monitor_tail = monitor;
 511                 ctx->monitor_head = monitor;
 512         }
 513
 514         ctx->monitors_in_flight++;
 515
 516         /* Avoid being a resource hog and collect outstanding results
 517          * once we have sent off a large number of
 518          * queries. (Presumably, many of the outstanding queries are
 519          * available by now.)
 520          */
 521         if (ctx->monitors_in_flight > MAX_MONITORS_IN_FLIGHT)
 522                 metrics_collect_available ();
 523 }
 524
 525 void
 526 metrics_set_current_op (metrics_op_t op)
 527 {
 528         current_context.op = op;
 529 }
 530
 531 metrics_op_t
 532 metrics_get_current_op (void)
 533 {
 534         return current_context.op;
 535 }
 536
 537 static void
 538 op_metrics_init (context_t *ctx, op_metrics_t *metrics, metrics_op_t op)
 539 {
 540         metrics_info_t *info = &ctx->metrics_info;
 541         unsigned i, j;
 542
 543         metrics->op = op;
 544         metrics->time_ns = 0.0;
 545
 546         metrics->counters = xmalloc (sizeof(double *) * info->num_groups);
 547
 548         for (i = 0; i < info->num_groups; i++) {
 549                 metrics->counters[i] = xmalloc (sizeof (double) *
 550                                                 info->groups[i].num_counters);
 551                 for (j = 0; j < info->groups[i].num_counters; j++)
 552                         metrics->counters[i][j] = 0.0;
 553         }
 554 }
 555
 556 static op_metrics_t *
 557 ctx_get_op_metrics (context_t *ctx, metrics_op_t op)
 558 {
 559         unsigned i;
 560
 561         if (op >= ctx->num_op_metrics)
 562         {
 563                 ctx->op_metrics = realloc (ctx->op_metrics,
 564                                            (op + 1) * sizeof (op_metrics_t));
 565                 for (i = ctx->num_op_metrics; i < op + 1; i++)
 566                         op_metrics_init (ctx, &ctx->op_metrics[i], i);
 567
 568                 ctx->num_op_metrics = op + 1;
 569         }
 570
 571         return &ctx->op_metrics[op];
 572 }
 573
 574 static void
 575 accumulate_program_metrics (metrics_op_t op, GLuint *result, GLuint size)
 576 {
 577 #define CONSUME(var)                                                    \
 578         if (p + sizeof(var) > ((unsigned char *) result) + size)        \
 579         {                                                               \
 580                 fprintf (stderr, "Unexpected end-of-buffer while "      \
 581                          "parsing results\n");                          \
 582                 break;                                                  \
 583         }                                                               \
 584         (var) = *((typeof(var) *) p);                                   \
 585         p += sizeof(var);
 586
 587         context_t *ctx = &current_context;
 588         metrics_info_t *info = &ctx->metrics_info;
 589         op_metrics_t *metrics = ctx_get_op_metrics (ctx, op);
 590         unsigned char *p = (unsigned char *) result;
 591
 592         while (p < ((unsigned char *) result) + size)
 593         {
 594                 GLuint group_id, group_index;
 595                 GLuint counter_id, counter_index;
 596                 metrics_group_info_t *group;
 597                 double value;
 598                 unsigned i;
 599
 600                 CONSUME (group_id);
 601                 CONSUME (counter_id);
 602
 603                 for (i = 0; i < info->num_groups; i++) {
 604                         if (info->groups[i].id == group_id)
 605                                 break;
 606                 }
 607                 group_index = i;
 608                 assert (group_index < info->num_groups);
 609                 group = &info->groups[group_index];
 610
 611                 for (i = 0; i < group->num_counters; i++) {
 612                         if (group->counter_ids[i] == counter_id)
 613                                 break;
 614                 }
 615                 counter_index = i;
 616                 assert (counter_index < group->num_counters);
 617
 618                 switch (group->counter_types[counter_index])
 619                 {
 620                         uint uint_value;
 621                         uint64_t uint64_value;
 622                         float float_value;
 623                 case GL_UNSIGNED_INT:
 624                         CONSUME (uint_value);
 625                         value = uint_value;
 626                         break;
 627                 case GL_UNSIGNED_INT64_AMD:
 628                         CONSUME (uint64_value);
 629                         value = uint64_value;
 630                         break;
 631                 case GL_PERCENTAGE_AMD:
 632                 case GL_FLOAT:
 633                         CONSUME (float_value);
 634                         value = float_value;
 635                         break;
 636                 default:
 637                         fprintf (stderr, "fips: Warning: Unknown counter value type (%d)\n",
 638                                  group->counter_types[counter_index]);
 639                         value = 0.0;
 640                         break;
 641                 }
 642
 643                 metrics->counters[group_index][counter_index] += value;
 644         }
 645 }
 646
 647 static void
 648 accumulate_program_time (metrics_op_t op, unsigned time_ns)
 649 {
 650         op_metrics_t *metrics;
 651
 652         metrics = ctx_get_op_metrics (&current_context, op);
 653
 654         metrics->time_ns += time_ns;
 655 }
 656
 657 typedef struct per_stage_metrics
 658 {
 659         op_metrics_t *metrics;
 660         shader_stage_info_t *stage;
 661         double time_ns;
 662         double active;
 663 } per_stage_metrics_t;
 664
 665 static int
 666 _is_shader_stage_counter (metrics_info_t *info,
 667                           unsigned group_index,
 668                           unsigned counter_index)
 669 {
 670         shader_stage_info_t *stage;
 671         unsigned i;
 672
 673         for (i = 0; i < info->num_shader_stages; i++) {
 674                 stage = &info->stages[i];
 675
 676                 if (stage->active_group_index == group_index &&
 677                     stage->active_counter_index == counter_index)
 678                 {
 679                         return 1;
 680                 }
 681
 682                 if (stage->stall_group_index == group_index &&
 683                     stage->stall_counter_index == counter_index)
 684                 {
 685                         return 1;
 686                 }
 687         }
 688
 689         return 0;
 690 }
 691
 692 static void
 693 print_per_stage_metrics (context_t *ctx,
 694                          per_stage_metrics_t *per_stage,
 695                          double total)
 696 {
 697         metrics_info_t *info = &ctx->metrics_info;
 698         op_metrics_t *metric = per_stage->metrics;
 699         metrics_group_info_t *group;
 700         const char *op_string;
 701         unsigned group_index, counter;
 702         double value;
 703
 704         /* Don't print anything for stages with no alloted time. */
 705         if (per_stage->time_ns == 0.0)
 706                 return;
 707
 708         op_string = metrics_op_string (metric->op);
 709
 710         printf ("%21s", op_string);
 711
 712         if (metric->op >= METRICS_OP_SHADER) {
 713                 printf (" %3d", metric->op - METRICS_OP_SHADER);
 714         } else {
 715                 printf ("    ");
 716
 717         }
 718
 719         if (per_stage->stage)
 720                 printf (" %cS:", per_stage->stage->name[0]);
 721         else
 722                 printf ("   :");
 723
 724         printf ("\t%7.2f ms (%4.1f%%)",
 725                 per_stage->time_ns / 1e6,
 726                 per_stage->time_ns / total * 100);
 727
 728         if (per_stage->active)
 729                 printf (", %4.1f%% active", per_stage->active * 100);
 730
 731         printf ("\n");
 732
 733         /* I'm not seeing a lot of value printing the rest of these
 734          * performance counters by default yet. Use --verbose to get
 735          * them for now. */
 736         if (! verbose)
 737                 return;
 738
 739         printf ("[");
 740         for (group_index = 0; group_index < info->num_groups; group_index++) {
 741                 group = &info->groups[group_index];
 742                 for (counter = 0; counter < group->num_counters; counter++) {
 743
 744                         /* Don't print this counter value if it's a
 745                          * per-stage cycle counter, (which we have
 746                          * already accounted for). */
 747                         if (_is_shader_stage_counter (info, group_index, counter))
 748                                 continue;
 749
 750                         value = metric->counters[group_index][counter];
 751                         if (value == 0.0)
 752                                 continue;
 753                         printf ("%s: %.2f ", group->counter_names[counter],
 754                                 value / 1e6);
 755                 }
 756         }
 757         printf ("]\n");
 758 }
 759
 760 static int
 761 time_compare(const void *in_a, const void *in_b, void *arg unused)
 762 {
 763         const per_stage_metrics_t *a = in_a;
 764         const per_stage_metrics_t *b = in_b;
 765
 766
 767         if (a->time_ns < b->time_ns)
 768                 return -1;
 769         if (a->time_ns > b->time_ns)
 770                 return 1;
 771         return 0;
 772 }
 773
 774 static void
 775 print_program_metrics (void)
 776 {
 777         context_t *ctx = &current_context;
 778         metrics_info_t *info = &ctx->metrics_info;
 779         unsigned num_shader_stages = info->num_shader_stages;
 780         per_stage_metrics_t *sorted, *per_stage;
 781         double total_time, op_cycles;
 782         op_metrics_t *op;
 783         unsigned group_index, counter_index;
 784         unsigned i, j, num_sorted;
 785
 786         /* Make a sorted list of the per-stage operations by time
 787          * used, and figure out the total so we can print percentages.
 788          */
 789         num_sorted = ctx->num_op_metrics * num_shader_stages;
 790
 791         sorted = xmalloc (sizeof (*sorted) * num_sorted);
 792
 793         total_time = 0.0;
 794
 795         for (i = 0; i < ctx->num_op_metrics; i++) {
 796
 797                 op = &ctx->op_metrics[i];
 798
 799                 /* Accumulate total time across all ops. */
 800                 total_time += op->time_ns;
 801
 802                 /* Also, find total cycles in all stages of this op. */
 803                 op_cycles = 0.0;
 804
 805                 for (j = 0; j < num_shader_stages; j++) {
 806                         /* Active cycles */
 807                         group_index = info->stages[j].active_group_index;
 808                         counter_index = info->stages[j].active_counter_index;
 809                         op_cycles += op->counters[group_index][counter_index];
 810
 811                         /* Stall cycles */
 812                         group_index = info->stages[j].stall_group_index;
 813                         counter_index = info->stages[j].stall_counter_index;
 814                         op_cycles += op->counters[group_index][counter_index];
 815                 }
 816
 817                 for (j = 0; j < num_shader_stages; j++) {
 818                         double active_cycles, stall_cycles, stage_cycles;
 819
 820                         /* Active cycles */
 821                         group_index = info->stages[j].active_group_index;
 822                         counter_index = info->stages[j].active_counter_index;
 823                         active_cycles = op->counters[group_index][counter_index];
 824
 825                         /* Stall cycles */
 826                         group_index = info->stages[j].stall_group_index;
 827                         counter_index = info->stages[j].stall_counter_index;
 828                         stall_cycles = op->counters[group_index][counter_index];
 829
 830                         stage_cycles = active_cycles + stall_cycles;
 831
 832                         per_stage = &sorted[i * num_shader_stages + j];
 833                         per_stage->metrics = op;
 834
 835                         if (op_cycles) {
 836                                 per_stage->stage = &info->stages[j];
 837                                 per_stage->time_ns = op->time_ns * (stage_cycles / op_cycles);
 838                         } else {
 839                                 /* If we don't have any per-stage cycle counts
 840                                  * for this operation, then use the first
 841                                  * stage as a placeholder for all the time,
 842                                  * but NULL-ify the stage info so that the
 843                                  * report doesn't lie about this time being
 844                                  * from any particular stage. */
 845                                 per_stage->stage = NULL;
 846                                 if (j == 0) {
 847                                         per_stage->time_ns = op->time_ns;
 848                                 } else {
 849                                         per_stage->time_ns = 0.0;
 850                                 }
 851                         }
 852
 853                         if (stage_cycles) {
 854                                 per_stage->active = active_cycles / stage_cycles;
 855                         } else {
 856                                 per_stage->active = 0.0;
 857                         }
 858                 }
 859         }
 860
 861         qsort_r (sorted, num_sorted, sizeof (*sorted),
 862                  time_compare, ctx->op_metrics);
 863
 864         for (i = 0; i < num_sorted; i++)
 865                 print_per_stage_metrics (ctx, &sorted[i], total_time);
 866
 867         free (sorted);
 868 }
 869
 870 /* Called at program exit.
 871  *
 872  * This is similar to metrics_info_fini, but only frees any used
 873  * memory. Notably, it does not call any OpenGL functions, (since the
 874  * OpenGL context no longer exists at program exit).
 875  */
 876 static void
 877 metrics_exit (void)
 878 {
 879         context_t *ctx = &current_context;
 880         metrics_info_t *info = &ctx->metrics_info;
 881         unsigned i;
 882         timer_query_t *timer, *timer_next;
 883         monitor_t *monitor, *monitor_next;
 884
 885         if (verbose)
 886                 printf ("fips: terminating\n");
 887
 888         if (! info->initialized)
 889                 return;
 890
 891         for (timer = ctx->timer_head;
 892              timer;
 893              timer = timer_next)
 894         {
 895                 timer_next = timer->next;
 896                 free (timer);
 897         }
 898
 899         for (monitor = ctx->monitor_head;
 900              monitor;
 901              monitor = monitor_next)
 902         {
 903                 monitor_next = monitor->next;
 904                 free (monitor);
 905         }
 906
 907         for (i = 0; i < info->num_groups; i++)
 908                 metrics_group_info_fini (&info->groups[i]);
 909
 910         free (info->groups);
 911
 912         for (i = 0; i < info->num_shader_stages; i++)
 913                 free (info->stages[i].name);
 914
 915         free (info->stages);
 916 }
 917
 918 void
 919 metrics_collect_available (void)
 920 {
 921         context_t *ctx = &current_context;
 922
 923         /* Consume all timer queries that are ready. */
 924         timer_query_t *timer = ctx->timer_head;
 925
 926         while (timer) {
 927                 GLuint available, elapsed;
 928
 929                 glGetQueryObjectuiv (timer->id,
 930                                      GL_QUERY_RESULT_AVAILABLE, &available);
 931                 if (! available)
 932                         break;
 933
 934                 glGetQueryObjectuiv (timer->id,
 935                                      GL_QUERY_RESULT, &elapsed);
 936
 937                 accumulate_program_time (timer->op, elapsed);
 938
 939                 ctx->timer_head = timer->next;
 940                 if (ctx->timer_head == NULL)
 941                         ctx->timer_tail = NULL;
 942
 943                 glDeleteQueries (1, &timer->id);
 944
 945                 free (timer);
 946                 timer = ctx->timer_head;
 947         }
 948
 949         /* And similarly for all performance monitors that are ready. */
 950         monitor_t *monitor = ctx->monitor_head;
 951
 952         while (monitor) {
 953                 GLuint available, result_size, *result;
 954                 GLint bytes_written;
 955
 956                 glGetPerfMonitorCounterDataAMD (monitor->id,
 957                                                 GL_PERFMON_RESULT_AVAILABLE_AMD,
 958                                                 sizeof (available), &available,
 959                                                 NULL);
 960                 if (! available)
 961                         break;
 962
 963                 glGetPerfMonitorCounterDataAMD (monitor->id,
 964                                                 GL_PERFMON_RESULT_SIZE_AMD,
 965                                                 sizeof (result_size),
 966                                                 &result_size, NULL);
 967
 968                 result = xmalloc (result_size);
 969
 970                 glGetPerfMonitorCounterDataAMD (monitor->id,
 971                                                 GL_PERFMON_RESULT_AMD,
 972                                                 result_size, result,
 973                                                 &bytes_written);
 974
 975                 accumulate_program_metrics (monitor->op, result, result_size);
 976
 977                 free (result);
 978
 979                 ctx->monitor_head = monitor->next;
 980                 if (ctx->monitor_head == NULL)
 981                         ctx->monitor_tail = NULL;
 982
 983                 glDeletePerfMonitorsAMD (1, &monitor->id);
 984
 985                 free (monitor);
 986
 987                 ctx->monitors_in_flight--;
 988
 989                 monitor = ctx->monitor_head;
 990         }
 991 }
 992
 993
 994 void
 995 metrics_end_frame (void)
 996 {
 997         static int initialized = 0;
 998         static struct timeval tv_start, tv_now;
 999
1000         if (! initialized) {
1001                 gettimeofday (&tv_start, NULL);
1002                 atexit (metrics_exit);
1003                 if (getenv ("FIPS_VERBOSE"))
1004                         verbose = 1;
1005                 initialized = 1;
1006         }
1007
1008         frames++;
1009
1010         metrics_collect_available ();
1011
1012         if (frames % 15 == 0) {
1013                 double fps;
1014
1015                 gettimeofday (&tv_now, NULL);
1016
1017                 fps = (double) frames / (tv_now.tv_sec - tv_start.tv_sec +
1018                                          (tv_now.tv_usec - tv_start.tv_usec) / 1.0e6);
1019
1020                 printf("FPS: %.3f\n", fps);
1021
1022                 print_program_metrics ();
1023         }
1024 }