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         unsigned num_counters;
  63 } op_metrics_t;
  64
  65 typedef struct counter_group_info
  66 {
  67         GLuint id;
  68         GLint num_counters;
  69         GLint max_active_counters;
  70         GLuint *counters;
  71 } counter_group_info_t;
  72
  73 typedef struct metrics_info
  74 {
  75         int num_groups;
  76         int max_counters_per_group;
  77         counter_group_info_t *groups;
  78 } metrics_info_t;
  79
  80 typedef struct context
  81 {
  82         metrics_info_t metrics_info;
  83
  84         metrics_op_t op;
  85
  86         timer_query_t *timer_head;
  87         timer_query_t *timer_tail;
  88
  89         monitor_t *monitor_head;
  90         monitor_t *monitor_tail;
  91
  92         unsigned num_op_metrics;
  93         op_metrics_t *op_metrics;
  94 } context_t;
  95
  96 /* FIXME: Need a map from integers to context objects and track the
  97  * current context with glXMakeContextCurrent, eglMakeCurrent, etc. */
  98
  99 context_t current_context;
 100
 101 int frames;
 102 int verbose;
 103
 104 void
 105 metrics_info_init (void)
 106 {
 107         int i;
 108         GLuint *group_ids;
 109         metrics_info_t *metrics_info = &current_context.metrics_info;
 110
 111         glGetPerfMonitorGroupsAMD (&metrics_info->num_groups, 0, NULL);
 112
 113         group_ids = xmalloc (metrics_info->num_groups * sizeof (GLuint));
 114
 115         glGetPerfMonitorGroupsAMD (NULL, metrics_info->num_groups, group_ids);
 116
 117         metrics_info->max_counters_per_group = 0;
 118
 119         metrics_info->groups = xmalloc (metrics_info->num_groups * sizeof (counter_group_info_t));
 120
 121         for (i = 0; i < metrics_info->num_groups; i++)
 122         {
 123                 counter_group_info_t *group;
 124
 125                 group = &metrics_info->groups[i];
 126
 127                 group->id = group_ids[i];
 128
 129                 glGetPerfMonitorCountersAMD (group->id, &group->num_counters,
 130                                              &group->max_active_counters, 0, NULL);
 131
 132                 group->counters = xmalloc (group->num_counters * sizeof (GLuint));
 133
 134                 glGetPerfMonitorCountersAMD (group->id, NULL, NULL,
 135                                              group->num_counters,
 136                                              group->counters);
 137
 138                 if (group->num_counters > metrics_info->max_counters_per_group)
 139                         metrics_info->max_counters_per_group = group->num_counters;
 140         }
 141
 142         free (group_ids);
 143 }
 144
 145 static const char *
 146 metrics_op_string (metrics_op_t op)
 147 {
 148         if (op >= METRICS_OP_SHADER)
 149                 return "Shader program";
 150
 151         switch (op)
 152         {
 153         case METRICS_OP_ACCUM:
 154                 return "glAccum*(+)";
 155         case METRICS_OP_BUFFER_DATA:
 156                 return "glBufferData(+)";
 157         case METRICS_OP_BUFFER_SUB_DATA:
 158                 return "glCopyBufferSubData*";
 159         case METRICS_OP_BITMAP:
 160                 return "glBitmap*";
 161         case METRICS_OP_BLIT_FRAMEBUFFER:
 162                 return "glBlitFramebuffer*";
 163         case METRICS_OP_CLEAR:
 164                 return "glClear(+)";
 165         case METRICS_OP_CLEAR_BUFFER_DATA:
 166                 return "glCearBufferData(+)";
 167         case METRICS_OP_CLEAR_TEX_IMAGE:
 168                 return "glClearTexImage(+)";
 169         case METRICS_OP_COPY_PIXELS:
 170                 return "glCopyPixels";
 171         case METRICS_OP_COPY_TEX_IMAGE:
 172                 return "glCopyTexImage(+)";
 173         case METRICS_OP_DRAW_PIXELS:
 174                 return "glDrawPixels";
 175         case METRICS_OP_GET_TEX_IMAGE:
 176                 return "glGetTexImage(+)";
 177         case METRICS_OP_READ_PIXELS:
 178                 return "glReadPixels*";
 179         case METRICS_OP_TEX_IMAGE:
 180                 return "glTexImage*(+)";
 181         default:
 182                 fprintf (stderr, "Internal error: "
 183                          "Unknown metrics op value: %d\n", op);
 184                 exit (1);
 185         }
 186
 187         return "";
 188 }
 189
 190 void
 191 metrics_counter_start (void)
 192 {
 193         context_t *ctx = &current_context;
 194         timer_query_t *timer;
 195         monitor_t *monitor;
 196         int i;
 197
 198         /* Create new timer query, add to list */
 199         timer = xmalloc (sizeof (timer_query_t));
 200
 201         timer->op = ctx->op;
 202         timer->next = NULL;
 203
 204         if (ctx->timer_tail) {
 205                 ctx->timer_tail->next = timer;
 206                 ctx->timer_tail = timer;
 207         } else {
 208                 ctx->timer_tail = timer;
 209                 ctx->timer_head = timer;
 210         }
 211
 212         /* Create a new performance-monitor query */
 213         monitor = xmalloc (sizeof (monitor_t));
 214
 215         monitor->op = ctx->op;
 216         monitor->next = NULL;
 217
 218         if (ctx->monitor_tail) {
 219                 ctx->monitor_tail->next = monitor;
 220                 ctx->monitor_tail = monitor;
 221         } else {
 222                 ctx->monitor_tail = monitor;
 223                 ctx->monitor_head = monitor;
 224         }
 225
 226         /* Initialize the timer_query and monitor objects */
 227         glGenQueries (1, &timer->id);
 228
 229         glGenPerfMonitorsAMD (1, &monitor->id);
 230
 231         for (i = 0; i < ctx->metrics_info.num_groups; i++)
 232         {
 233                 counter_group_info_t *group;
 234                 int num_counters;
 235
 236                 group = &ctx->metrics_info.groups[i];
 237
 238                 num_counters = group->num_counters;
 239                 if (group->max_active_counters < group->num_counters)
 240                 {
 241                         fprintf (stderr, "Warning: Only monitoring %d/%d counters from group %d\n",
 242                                  group->max_active_counters,
 243                                  group->num_counters, i);
 244                         num_counters = group->max_active_counters;
 245
 246                 }
 247
 248                 glSelectPerfMonitorCountersAMD(monitor->id,
 249                                                GL_TRUE, group->id,
 250                                                num_counters,
 251                                                group->counters);
 252         }
 253
 254         /* Start the queries */
 255         glBeginQuery (GL_TIME_ELAPSED, timer->id);
 256
 257         glBeginPerfMonitorAMD (monitor->id);
 258 }
 259
 260 void
 261 metrics_counter_stop (void)
 262 {
 263         glEndQuery (GL_TIME_ELAPSED);
 264         glEndPerfMonitorAMD (current_context.monitor_tail->id);
 265 }
 266
 267 void
 268 metrics_set_current_op (metrics_op_t op)
 269 {
 270         current_context.op = op;
 271 }
 272
 273 metrics_op_t
 274 metrics_get_current_op (void)
 275 {
 276         return current_context.op;
 277 }
 278
 279 static void
 280 op_metrics_init (context_t *ctx, op_metrics_t *metrics, metrics_op_t op)
 281 {
 282         metrics_info_t *info = &ctx->metrics_info;
 283         unsigned i;
 284
 285         metrics->op = op;
 286         metrics->time_ns = 0.0;
 287
 288         metrics->num_counters = info->num_groups * info->max_counters_per_group;
 289         metrics->counters = xmalloc (sizeof(double) * metrics->num_counters);
 290
 291         for (i = 0; i < metrics->num_counters; i++)
 292                 metrics->counters[i] = 0.0;
 293 }
 294
 295 static op_metrics_t *
 296 ctx_get_op_metrics (context_t *ctx, metrics_op_t op)
 297 {
 298         unsigned i;
 299
 300         if (op >= ctx->num_op_metrics)
 301         {
 302                 ctx->op_metrics = realloc (ctx->op_metrics,
 303                                            (op + 1) * sizeof (op_metrics_t));
 304                 for (i = ctx->num_op_metrics; i < op + 1; i++)
 305                         op_metrics_init (ctx, &ctx->op_metrics[i], i);
 306
 307                 ctx->num_op_metrics = op + 1;
 308         }
 309
 310         return &ctx->op_metrics[op];
 311 }
 312
 313 static void
 314 accumulate_program_metrics (metrics_op_t op, GLuint *result, GLuint size)
 315 {
 316 #define CONSUME(var)                                                    \
 317         if (p + sizeof(var) > ((unsigned char *) result) + size)        \
 318         {                                                               \
 319                 fprintf (stderr, "Unexpected end-of-buffer while "      \
 320                          "parsing results\n");                          \
 321                 break;                                                  \
 322         }                                                               \
 323         (var) = *((typeof(var) *) p);                                   \
 324         p += sizeof(var);
 325
 326         context_t *ctx = &current_context;
 327         unsigned char *p = (unsigned char *) result;
 328
 329         while (p < ((unsigned char *) result) + size)
 330         {
 331                 GLuint group_id, counter_id, counter_type;
 332                 uint32_t value;
 333                 unsigned i;
 334
 335                 CONSUME (group_id);
 336                 CONSUME (counter_id);
 337
 338                 glGetPerfMonitorCounterInfoAMD (group_id, counter_id,
 339                                                 GL_COUNTER_TYPE_AMD,
 340                                                 &counter_type);
 341
 342                 /* We assume that all peformance counters are made
 343                  * available as uint32 values. This code can easily be
 344                  * extended as needed. */
 345                 if (counter_type != GL_UNSIGNED_INT) {
 346                         fprintf (stderr, "Warning: Non-uint counter value. Ignoring remainder of results\n");
 347                         break;
 348                 }
 349
 350                 CONSUME (value);
 351
 352                 i = (group_id * ctx->metrics_info.max_counters_per_group +
 353                      counter_id);
 354
 355                 assert (i < ctx->op_metrics[op].num_counters);
 356
 357                 /* FIXME: While I'm still occasionally getting bogus
 358                  * numbers from the performance counters, I'm simply
 359                  * going to discard anything larger than half the
 360                  * range, (something that looks like a negative signed
 361                  * quantity).
 362                  */
 363                 if (((int32_t) value) < 0)
 364                         fprintf (stderr, ".");
 365                 else
 366                         ctx->op_metrics[op].counters[i] += value;
 367         }
 368 }
 369
 370 static void
 371 accumulate_program_time (metrics_op_t op, unsigned time_ns)
 372 {
 373         op_metrics_t *metrics;
 374
 375         metrics = ctx_get_op_metrics (&current_context, op);
 376
 377         metrics->time_ns += time_ns;
 378 }
 379
 380 static int
 381 time_compare(const void *in_a, const void *in_b, void *arg)
 382 {
 383         int a = *(const int *)in_a;
 384         int b = *(const int *)in_b;
 385         struct op_metrics *metrics = arg;
 386
 387         if (metrics[a].time_ns < metrics[b].time_ns)
 388                 return -1;
 389         if (metrics[a].time_ns > metrics[b].time_ns)
 390                 return 1;
 391         return 0;
 392 }
 393
 394 static void
 395 print_program_metrics (void)
 396 {
 397         context_t *ctx = &current_context;
 398         int *sorted; /* Sorted indices into the ctx->op_metrics */
 399         double total = 0;
 400         unsigned i, j;
 401
 402         /* Make a sorted list of the operations by time used, and figure
 403          * out the total so we can print percentages.
 404          */
 405         sorted = calloc(ctx->num_op_metrics, sizeof(*sorted));
 406         for (i = 0; i < ctx->num_op_metrics; i++) {
 407                 sorted[i] = i;
 408                 total += ctx->op_metrics[i].time_ns;
 409         }
 410         qsort_r(sorted, ctx->num_op_metrics, sizeof(*sorted),
 411                 time_compare, ctx->op_metrics);
 412
 413         for (i = 0; i < ctx->num_op_metrics; i++) {
 414                 const char *op_string;
 415                 op_metrics_t *metric =&ctx->op_metrics[sorted[i]];
 416
 417                 /* Since we sparsely fill the array based on program
 418                  * id, many "programs" have no time.
 419                  */
 420                 if (metric->time_ns == 0.0)
 421                         continue;
 422
 423                 op_string = metrics_op_string (metric->op);
 424
 425                 printf ("%s", op_string);
 426                 if (metric->op >= METRICS_OP_SHADER) {
 427                         printf (" %d:", metric->op - METRICS_OP_SHADER);
 428                 } else {
 429                         printf (":");
 430                         for (j = strlen (op_string); j < 20; j++)
 431                                 printf (" ");
 432                 }
 433                 printf ("\t%7.2f ms (% 2.1f%%)",
 434                         metric->time_ns / 1e6,
 435                         metric->time_ns / total * 100);
 436                 printf ("[");
 437                 for (j = 0; j < metric->num_counters; j++) {
 438                         if (metric->counters[j] == 0.0)
 439                                 continue;
 440                         printf ("%d: %.2f ms ", j, metric->counters[j] / 1e6);
 441                 }
 442                 printf ("]\n");
 443         }
 444 }
 445
 446 /* Called at program exit */
 447 static void
 448 metrics_exit (void)
 449 {
 450         if (verbose)
 451                 printf ("fips: terminating\n");
 452 }
 453
 454
 455 void
 456 metrics_end_frame (void)
 457 {
 458         static int initialized = 0;
 459         static struct timeval tv_start, tv_now;
 460
 461         if (! initialized) {
 462                 gettimeofday (&tv_start, NULL);
 463                 atexit (metrics_exit);
 464                 if (getenv ("FIPS_VERBOSE"))
 465                         verbose = 1;
 466                 initialized = 1;
 467         }
 468
 469         if (verbose)
 470                 printf ("fips: frame %d complete\n", frames);
 471
 472         frames++;
 473         gettimeofday (&tv_now, NULL);
 474
 475         /* Consume all timer queries that are ready. */
 476         timer_query_t *timer = current_context.timer_head;
 477
 478         while (timer) {
 479                 GLuint available, elapsed;
 480
 481                 glGetQueryObjectuiv (timer->id,
 482                                      GL_QUERY_RESULT_AVAILABLE, &available);
 483                 if (! available)
 484                         break;
 485
 486                 glGetQueryObjectuiv (timer->id,
 487                                      GL_QUERY_RESULT, &elapsed);
 488
 489                 accumulate_program_time (timer->op, elapsed);
 490
 491                 current_context.timer_head = timer->next;
 492                 if (current_context.timer_head == NULL)
 493                         current_context.timer_tail = NULL;
 494
 495                 glDeleteQueries (1, &timer->id);
 496
 497                 free (timer);
 498                 timer = current_context.timer_head;
 499         }
 500
 501         /* And similarly for all performance monitors that are ready. */
 502         monitor_t *monitor = current_context.monitor_head;
 503
 504         while (monitor) {
 505                 GLuint available, result_size, *result;
 506                 GLint bytes_written;
 507
 508                 glGetPerfMonitorCounterDataAMD (monitor->id,
 509                                                 GL_PERFMON_RESULT_AVAILABLE_AMD,
 510                                                 sizeof (available), &available,
 511                                                 NULL);
 512                 if (! available)
 513                         break;
 514
 515                 glGetPerfMonitorCounterDataAMD (monitor->id,
 516                                                 GL_PERFMON_RESULT_SIZE_AMD,
 517                                                 sizeof (result_size),
 518                                                 &result_size, NULL);
 519
 520                 result = xmalloc (result_size);
 521
 522                 glGetPerfMonitorCounterDataAMD (monitor->id,
 523                                                 GL_PERFMON_RESULT_AMD,
 524                                                 result_size, result,
 525                                                 &bytes_written);
 526
 527                 accumulate_program_metrics (monitor->op, result, result_size);
 528
 529                 current_context.monitor_head = monitor->next;
 530                 if (current_context.monitor_head == NULL)
 531                         current_context.monitor_tail = NULL;
 532
 533                 glDeletePerfMonitorsAMD (1, &monitor->id);
 534
 535                 free (monitor);
 536                 monitor = current_context.monitor_head;
 537         }
 538
 539         if (frames % 60 == 0) {
 540                 double fps;
 541
 542                 fps = (double) frames / (tv_now.tv_sec - tv_start.tv_sec +
 543                                          (tv_now.tv_usec - tv_start.tv_usec) / 1.0e6);
 544
 545                 printf("FPS: %.3f\n", fps);
 546
 547                 print_program_metrics ();
 548         }
 549 }