ltt/branches/poly/lttv/stats.c

   1
   2 #include <lttv/stats.h>
   3 #include <ltt/facility.h>
   4 #include <ltt/trace.h>
   5 #include <ltt/event.h>
   6
   7 GQuark
   8   LTTV_STATS_PROCESS_UNKNOWN,
   9   LTTV_STATS_PROCESSES,
  10   LTTV_STATS_CPU,
  11   LTTV_STATS_MODE_TYPES,
  12   LTTV_STATS_MODES,
  13   LTTV_STATS_SUBMODES,
  14   LTTV_STATS_EVENT_TYPES,
  15   LTTV_STATS_CPU_TIME,
  16   LTTV_STATS_ELAPSED_TIME,
  17   LTTV_STATS_EVENTS,
  18   LTTV_STATS_EVENTS_COUNT;
  19
  20 static GQuark
  21   LTTV_STATS_BEFORE_HOOKS,
  22   LTTV_STATS_AFTER_HOOKS;
  23
  24 static void remove_all_processes(GHashTable *processes);
  25
  26 static void
  27 find_event_tree(LttvTracefileStats *tfcs, GQuark process, GQuark cpu,
  28     GQuark mode, GQuark sub_mode, LttvAttribute **events_tree,
  29     LttvAttribute **event_types_tree);
  30
  31 static void
  32 init(LttvTracesetStats *self, LttvTraceset *ts)
  33 {
  34   guint i, j, nb_trace, nb_control, nb_per_cpu, nb_tracefile;
  35
  36   LttvTraceContext *tc;
  37
  38   LttvTraceStats *tcs;
  39
  40   LttvTracefileContext *tfc;
  41
  42   LttvTracefileStats *tfcs;
  43
  44   LttTime timestamp = {0,0};
  45
  46   LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_STATE_TYPE))->
  47       init((LttvTracesetContext *)self, ts);
  48
  49   self->stats = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
  50   nb_trace = lttv_traceset_number(ts);
  51
  52   for(i = 0 ; i < nb_trace ; i++) {
  53     tcs = (LttvTraceStats *)tc = (LTTV_TRACESET_CONTEXT(self)->traces[i]);
  54     tcs->stats = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
  55
  56     nb_control = ltt_trace_control_tracefile_number(tc->t);
  57     nb_per_cpu = ltt_trace_per_cpu_tracefile_number(tc->t);
  58     nb_tracefile = nb_control + nb_per_cpu;
  59     for(j = 0 ; j < nb_tracefile ; j++) {
  60       if(j < nb_control) {
  61         tfcs = LTTV_TRACEFILE_STATS(tc->control_tracefiles[j]);
  62       }
  63       else {
  64         tfcs = LTTV_TRACEFILE_STATS(tc->per_cpu_tracefiles[j - nb_control]);
  65       }
  66
  67       tfcs->stats = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
  68       find_event_tree(tfcs, LTTV_STATS_PROCESS_UNKNOWN,
  69           tfcs->parent.cpu_name, LTTV_STATE_MODE_UNKNOWN,
  70           LTTV_STATE_SUBMODE_UNKNOWN, &tfcs->current_events_tree,
  71           &tfcs->current_event_types_tree);
  72     }
  73   }
  74 }
  75
  76
  77 static void
  78 fini(LttvTracesetStats *self)
  79 {
  80   guint i, j, nb_trace, nb_tracefile;
  81
  82   LttvTraceset *ts;
  83
  84   LttvTraceContext *tc;
  85
  86   LttvTraceStats *tcs;
  87
  88   LttvTracefileContext *tfc;
  89
  90   LttvTracefileStats *tfcs;
  91
  92   LttTime timestamp = {0,0};
  93
  94   lttv_attribute_recursive_free(self->stats);
  95   ts = self->parent.parent.ts;
  96   nb_trace = lttv_traceset_number(ts);
  97
  98   for(i = 0 ; i < nb_trace ; i++) {
  99     tcs = (LttvTraceStats *)tc = (LTTV_TRACESET_CONTEXT(self)->traces[i]);
 100     lttv_attribute_recursive_free(tcs->stats);
 101
 102     nb_tracefile = ltt_trace_control_tracefile_number(tc->t);
 103     for(j = 0 ; j < nb_tracefile ; j++) {
 104       tfcs = (LttvTracefileStats *)tfc = tc->control_tracefiles[j];
 105       lttv_attribute_recursive_free(tfcs->stats);
 106       tfcs->current_events_tree = NULL;
 107       tfcs->current_event_types_tree = NULL;
 108     }
 109
 110     nb_tracefile = ltt_trace_per_cpu_tracefile_number(tc->t);
 111     for(j = 0 ; j < nb_tracefile ; j++) {
 112       tfcs = (LttvTracefileStats *)tfc = tc->per_cpu_tracefiles[j];
 113       lttv_attribute_recursive_free(tfcs->stats);
 114       tfcs->current_events_tree = NULL;
 115       tfcs->current_event_types_tree = NULL;
 116     }
 117   }
 118   LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_STATE_TYPE))->
 119       fini((LttvTracesetContext *)self);
 120 }
 121
 122
 123 static LttvTracesetContext *
 124 new_traceset_context(LttvTracesetContext *self)
 125 {
 126   return LTTV_TRACESET_CONTEXT(g_object_new(LTTV_TRACESET_STATS_TYPE, NULL));
 127 }
 128
 129
 130 static LttvTraceContext *
 131 new_trace_context(LttvTracesetContext *self)
 132 {
 133   return LTTV_TRACE_CONTEXT(g_object_new(LTTV_TRACE_STATS_TYPE, NULL));
 134 }
 135
 136
 137 static LttvTracefileContext *
 138 new_tracefile_context(LttvTracesetContext *self)
 139 {
 140   return LTTV_TRACEFILE_CONTEXT(g_object_new(LTTV_TRACEFILE_STATS_TYPE, NULL));
 141 }
 142
 143
 144 static void
 145 traceset_stats_instance_init (GTypeInstance *instance, gpointer g_class)
 146 {
 147 }
 148
 149
 150 static void
 151 traceset_stats_finalize (LttvTracesetStats *self)
 152 {
 153   G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACESET_STATE_TYPE))->
 154       finalize(G_OBJECT(self));
 155 }
 156
 157
 158 static void
 159 traceset_stats_class_init (LttvTracesetContextClass *klass)
 160 {
 161   GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
 162
 163   gobject_class->finalize = (void (*)(GObject *self)) traceset_stats_finalize;
 164   klass->init = (void (*)(LttvTracesetContext *self, LttvTraceset *ts))init;
 165   klass->fini = (void (*)(LttvTracesetContext *self))fini;
 166   klass->new_traceset_context = new_traceset_context;
 167   klass->new_trace_context = new_trace_context;
 168   klass->new_tracefile_context = new_tracefile_context;
 169 }
 170
 171
 172 GType
 173 lttv_traceset_stats_get_type(void)
 174 {
 175   static GType type = 0;
 176   if (type == 0) {
 177     static const GTypeInfo info = {
 178       sizeof (LttvTracesetStatsClass),
 179       NULL,   /* base_init */
 180       NULL,   /* base_finalize */
 181       (GClassInitFunc) traceset_stats_class_init,   /* class_init */
 182       NULL,   /* class_finalize */
 183       NULL,   /* class_data */
 184       sizeof (LttvTracesetContext),
 185       0,      /* n_preallocs */
 186       (GInstanceInitFunc) traceset_stats_instance_init    /* instance_init */
 187     };
 188
 189     type = g_type_register_static (LTTV_TRACESET_STATE_TYPE, "LttvTracesetStatsType",
 190         &info, 0);
 191   }
 192   return type;
 193 }
 194
 195
 196 static void
 197 trace_stats_instance_init (GTypeInstance *instance, gpointer g_class)
 198 {
 199 }
 200
 201
 202 static void
 203 trace_stats_finalize (LttvTraceStats *self)
 204 {
 205   G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACE_STATE_TYPE))->
 206       finalize(G_OBJECT(self));
 207 }
 208
 209
 210 static void
 211 trace_stats_class_init (LttvTraceContextClass *klass)
 212 {
 213   GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
 214
 215   gobject_class->finalize = (void (*)(GObject *self)) trace_stats_finalize;
 216 }
 217
 218
 219 GType
 220 lttv_trace_stats_get_type(void)
 221 {
 222   static GType type = 0;
 223   if (type == 0) {
 224     static const GTypeInfo info = {
 225       sizeof (LttvTraceStatsClass),
 226       NULL,   /* base_init */
 227       NULL,   /* base_finalize */
 228       (GClassInitFunc) trace_stats_class_init,   /* class_init */
 229       NULL,   /* class_finalize */
 230       NULL,   /* class_data */
 231       sizeof (LttvTraceStats),
 232       0,      /* n_preallocs */
 233       (GInstanceInitFunc) trace_stats_instance_init    /* instance_init */
 234     };
 235
 236     type = g_type_register_static (LTTV_TRACE_STATE_TYPE,
 237         "LttvTraceStatsType", &info, 0);
 238   }
 239   return type;
 240 }
 241
 242
 243 static void
 244 tracefile_stats_instance_init (GTypeInstance *instance, gpointer g_class)
 245 {
 246 }
 247
 248
 249 static void
 250 tracefile_stats_finalize (LttvTracefileStats *self)
 251 {
 252   G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACEFILE_STATE_TYPE))->
 253       finalize(G_OBJECT(self));
 254 }
 255
 256
 257 static void
 258 tracefile_stats_class_init (LttvTracefileStatsClass *klass)
 259 {
 260   GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
 261
 262   gobject_class->finalize = (void (*)(GObject *self)) tracefile_stats_finalize;
 263 }
 264
 265
 266 GType
 267 lttv_tracefile_stats_get_type(void)
 268 {
 269   static GType type = 0;
 270   if (type == 0) {
 271     static const GTypeInfo info = {
 272       sizeof (LttvTracefileStatsClass),
 273       NULL,   /* base_init */
 274       NULL,   /* base_finalize */
 275       (GClassInitFunc) tracefile_stats_class_init,   /* class_init */
 276       NULL,   /* class_finalize */
 277       NULL,   /* class_data */
 278       sizeof (LttvTracefileStats),
 279       0,      /* n_preallocs */
 280       (GInstanceInitFunc) tracefile_stats_instance_init    /* instance_init */
 281     };
 282
 283     type = g_type_register_static (LTTV_TRACEFILE_STATE_TYPE,
 284         "LttvTracefileStatsType", &info, 0);
 285   }
 286   return type;
 287 }
 288
 289
 290 static void
 291 find_event_tree(LttvTracefileStats *tfcs, GQuark process, GQuark cpu,
 292     GQuark mode, GQuark sub_mode, LttvAttribute **events_tree,
 293     LttvAttribute **event_types_tree)
 294 {
 295   LttvAttribute *a;
 296
 297   LttvTraceStats *tcs = LTTV_TRACE_STATS(tfcs->parent.parent.t_context);
 298   a = lttv_attribute_find_subdir(tcs->stats, LTTV_STATS_PROCESSES);
 299   a = lttv_attribute_find_subdir(a, tfcs->parent.process->pid_time);
 300   a = lttv_attribute_find_subdir(a, LTTV_STATS_CPU);
 301   a = lttv_attribute_find_subdir(a, tfcs->parent.cpu_name);
 302   a = lttv_attribute_find_subdir(a, LTTV_STATS_MODE_TYPES);
 303   a = lttv_attribute_find_subdir(a, tfcs->parent.process->state->t);
 304   a = lttv_attribute_find_subdir(a, LTTV_STATS_SUBMODES);
 305   a = lttv_attribute_find_subdir(a, tfcs->parent.process->state->n);
 306   *events_tree = a;
 307   a = lttv_attribute_find_subdir(a, LTTV_STATS_EVENT_TYPES);
 308   *event_types_tree = a;
 309 }
 310
 311
 312 static void update_event_tree(LttvTracefileStats *tfcs)
 313 {
 314   LttvExecutionState *es = tfcs->parent.process->state;
 315
 316   find_event_tree(tfcs, tfcs->parent.process->pid_time, tfcs->parent.cpu_name,
 317       es->t, es->n, &(tfcs->current_events_tree),
 318       &(tfcs->current_event_types_tree));
 319 }
 320
 321
 322 static void mode_change(LttvTracefileStats *tfcs)
 323 {
 324   LttvAttributeValue cpu_time;
 325
 326   LttTime delta;
 327
 328   lttv_attribute_find(tfcs->current_events_tree, LTTV_STATS_CPU_TIME,
 329       LTTV_TIME, &cpu_time);
 330   TimeSub(delta, tfcs->parent.parent.timestamp,
 331       tfcs->parent.process->state->change);
 332   TimeAdd(*(cpu_time.v_time), *(cpu_time.v_time), delta);
 333 }
 334
 335
 336 static void mode_end(LttvTracefileStats *tfcs)
 337 {
 338   LttvAttributeValue elapsed_time, cpu_time;
 339
 340   LttTime delta;
 341
 342   lttv_attribute_find(tfcs->current_events_tree, LTTV_STATS_ELAPSED_TIME,
 343       LTTV_TIME, &elapsed_time);
 344   TimeSub(delta, tfcs->parent.parent.timestamp,
 345       tfcs->parent.process->state->entry);
 346   TimeAdd(*(elapsed_time.v_time), *(elapsed_time.v_time), delta);
 347
 348   lttv_attribute_find(tfcs->current_events_tree, LTTV_STATS_CPU_TIME,
 349       LTTV_TIME, &cpu_time);
 350   TimeSub(delta, tfcs->parent.parent.timestamp,
 351       tfcs->parent.process->state->change);
 352   TimeAdd(*(cpu_time.v_time), *(cpu_time.v_time), delta);
 353 }
 354
 355
 356 static gboolean before_syscall_entry(void *hook_data, void *call_data)
 357 {
 358   mode_change((LttvTracefileStats *)call_data);
 359   return FALSE;
 360 }
 361
 362
 363 static gboolean after_syscall_entry(void *hook_data, void *call_data)
 364 {
 365   update_event_tree((LttvTracefileStats *)call_data);
 366   return FALSE;
 367 }
 368
 369
 370 gboolean before_syscall_exit(void *hook_data, void *call_data)
 371 {
 372   mode_end((LttvTracefileStats *)call_data);
 373   return FALSE;
 374 }
 375
 376
 377 static gboolean after_syscall_exit(void *hook_data, void *call_data)
 378 {
 379   update_event_tree((LttvTracefileStats *)call_data);
 380   return FALSE;
 381 }
 382
 383
 384 gboolean before_trap_entry(void *hook_data, void *call_data)
 385 {
 386   mode_change((LttvTracefileStats *)call_data);
 387   return FALSE;
 388 }
 389
 390
 391 static gboolean after_trap_entry(void *hook_data, void *call_data)
 392 {
 393   update_event_tree((LttvTracefileStats *)call_data);
 394   return FALSE;
 395 }
 396
 397
 398 gboolean before_trap_exit(void *hook_data, void *call_data)
 399 {
 400   mode_end((LttvTracefileStats *)call_data);
 401   return FALSE;
 402 }
 403
 404
 405 gboolean after_trap_exit(void *hook_data, void *call_data)
 406 {
 407   update_event_tree((LttvTracefileStats *)call_data);
 408   return FALSE;
 409 }
 410
 411
 412 gboolean before_irq_entry(void *hook_data, void *call_data)
 413 {
 414   mode_change((LttvTracefileStats *)call_data);
 415   return FALSE;
 416 }
 417
 418
 419 gboolean after_irq_entry(void *hook_data, void *call_data)
 420 {
 421   update_event_tree((LttvTracefileStats *)call_data);
 422   return FALSE;
 423 }
 424
 425
 426 gboolean before_irq_exit(void *hook_data, void *call_data)
 427 {
 428   mode_end((LttvTracefileStats *)call_data);
 429   return FALSE;
 430 }
 431
 432
 433 gboolean after_irq_exit(void *hook_data, void *call_data)
 434 {
 435   update_event_tree((LttvTracefileStats *)call_data);
 436   return FALSE;
 437 }
 438
 439
 440 gboolean before_schedchange(void *hook_data, void *call_data)
 441 {
 442   LttvTraceHook *h = (LttvTraceHook *)hook_data;
 443
 444   LttvTracefileStats *tfcs = (LttvTracefileStats *)call_data;
 445
 446   guint pid_in, pid_out, state_out;
 447
 448   LttvProcessState *process;
 449
 450   pid_in = ltt_event_get_unsigned(tfcs->parent.parent.e, h->f1);
 451   pid_out = ltt_event_get_unsigned(tfcs->parent.parent.e, h->f2);
 452   state_out = ltt_event_get_unsigned(tfcs->parent.parent.e, h->f3);
 453
 454   /* compute the time for the process to schedule out */
 455
 456   mode_change(tfcs);
 457
 458   /* get the information for the process scheduled in */
 459
 460   process = lttv_state_find_process(&(tfcs->parent), pid_in);
 461
 462   find_event_tree(tfcs, process->pid_time, tfcs->parent.cpu_name,
 463       process->state->t, process->state->n, &(tfcs->current_events_tree),
 464       &(tfcs->current_event_types_tree));
 465
 466   /* compute the time waiting for the process to schedule in */
 467
 468   mode_change(tfcs);
 469   return FALSE;
 470 }
 471
 472
 473 gboolean process_fork(void *hook_data, void *call_data)
 474 {
 475   /* nothing to do for now */
 476   return FALSE;
 477 }
 478
 479
 480 gboolean process_exit(void *hook_data, void *call_data)
 481 {
 482   /* We should probably exit all modes here or we could do that at
 483      schedule out. */
 484   return FALSE;
 485 }
 486
 487
 488 gboolean every_event(void *hook_data, void *call_data)
 489 {
 490   LttvTracefileStats *tfcs = (LttvTracefileStats *)call_data;
 491
 492   LttvAttributeValue v;
 493
 494   /* The current branch corresponds to the tracefile/process/interrupt state.
 495      Statistics are added within it, to count the number of events of this
 496      type occuring in this context. A quark has been pre-allocated for each
 497      event type and is used as name. */
 498
 499   lttv_attribute_find(tfcs->current_event_types_tree,
 500       ((LttvTraceState *)(tfcs->parent.parent.t_context))->
 501       eventtype_names[ltt_event_eventtype_id(tfcs->parent.parent.e)],
 502       LTTV_UINT, &v);
 503   (*(v.v_uint))++;
 504   return FALSE;
 505 }
 506
 507
 508 static gboolean
 509 sum_stats(void *hook_data, void *call_data)
 510 {
 511   LttvTracesetStats *tscs = (LttvTracesetStats *)call_data;
 512
 513   LttvTraceStats *tcs;
 514
 515   LttvTraceset *traceset = tscs->parent.parent.ts;
 516
 517   LttvAttributeType type;
 518
 519   LttvAttributeValue value;
 520
 521   LttvAttributeName name;
 522
 523   unsigned sum;
 524
 525   int i, j, k, l, m, n, nb_trace, nb_process, nb_cpu, nb_mode_type, nb_submode,
 526       nb_event_type;
 527
 528   LttvAttribute *main_tree, *processes_tree, *process_tree, *cpus_tree,
 529       *cpu_tree, *mode_tree, *mode_types_tree, *submodes_tree,
 530       *submode_tree, *event_types_tree, *mode_events_tree,
 531       *cpu_events_tree, *process_modes_tree, *trace_cpu_tree,
 532       *trace_modes_tree, *traceset_modes_tree;
 533
 534   traceset_modes_tree = lttv_attribute_find_subdir(tscs->stats,
 535       LTTV_STATS_MODES);
 536   nb_trace = lttv_traceset_number(traceset);
 537
 538   for(i = 0 ; i < nb_trace ; i++) {
 539     tcs = (LttvTraceStats *)(tscs->parent.parent.traces[i]);
 540     main_tree = tcs->stats;
 541     processes_tree = lttv_attribute_find_subdir(main_tree,
 542         LTTV_STATS_PROCESSES);
 543     trace_modes_tree = lttv_attribute_find_subdir(main_tree, LTTV_STATS_MODES);
 544     nb_process = lttv_attribute_get_number(processes_tree);
 545
 546     for(j = 0 ; j < nb_process ; j++) {
 547       type = lttv_attribute_get(processes_tree, j, &name, &value);
 548       process_tree = LTTV_ATTRIBUTE(*(value.v_gobject));
 549
 550       cpus_tree = lttv_attribute_find_subdir(process_tree, LTTV_STATS_CPU);
 551       process_modes_tree = lttv_attribute_find_subdir(process_tree,
 552           LTTV_STATS_MODES);
 553       nb_cpu = lttv_attribute_get_number(cpus_tree);
 554
 555       for(k = 0 ; k < nb_cpu ; k++) {
 556         type = lttv_attribute_get(cpus_tree, k, &name, &value);
 557         cpu_tree = LTTV_ATTRIBUTE(*(value.v_gobject));
 558
 559         mode_types_tree = lttv_attribute_find_subdir(cpu_tree,
 560             LTTV_STATS_MODE_TYPES);
 561         cpu_events_tree = lttv_attribute_find_subdir(cpu_tree,
 562             LTTV_STATS_EVENTS);
 563         trace_cpu_tree = lttv_attribute_find_subdir(main_tree, LTTV_STATS_CPU);
 564         trace_cpu_tree = lttv_attribute_find_subdir(trace_cpu_tree, name);
 565         nb_mode_type = lttv_attribute_get_number(mode_types_tree);
 566
 567         for(l = 0 ; l < nb_mode_type ; l++) {
 568           type = lttv_attribute_get(mode_types_tree, l, &name, &value);
 569           mode_tree = LTTV_ATTRIBUTE(*(value.v_gobject));
 570
 571           submodes_tree = lttv_attribute_find_subdir(mode_tree,
 572               LTTV_STATS_SUBMODES);
 573           mode_events_tree = lttv_attribute_find_subdir(mode_tree,
 574               LTTV_STATS_EVENTS);
 575           nb_submode = lttv_attribute_get_number(submodes_tree);
 576
 577           for(m = 0 ; m < nb_submode ; m++) {
 578             type = lttv_attribute_get(submodes_tree, m, &name, &value);
 579             submode_tree = LTTV_ATTRIBUTE(*(value.v_gobject));
 580
 581             event_types_tree = lttv_attribute_find_subdir(submode_tree,
 582               LTTV_STATS_EVENT_TYPES);
 583             nb_event_type = lttv_attribute_get_number(event_types_tree);
 584
 585             sum = 0;
 586             for(n = 0 ; n < nb_event_type ; n++) {
 587               type = lttv_attribute_get(event_types_tree, n, &name, &value);
 588               sum += *(value.v_uint);
 589             }
 590             lttv_attribute_find(submode_tree, LTTV_STATS_EVENTS_COUNT,
 591                 LTTV_UINT, &value);
 592             *(value.v_uint) = sum;
 593             lttv_attribute_recursive_add(mode_events_tree, submode_tree);
 594           }
 595           lttv_attribute_recursive_add(cpu_events_tree, mode_events_tree);
 596         }
 597         lttv_attribute_recursive_add(process_modes_tree, cpu_tree);
 598         lttv_attribute_recursive_add(trace_cpu_tree, cpu_tree);
 599       }
 600       lttv_attribute_recursive_add(trace_modes_tree, process_modes_tree);
 601     }
 602     lttv_attribute_recursive_add(traceset_modes_tree, trace_modes_tree);
 603   }
 604   return FALSE;
 605 }
 606
 607
 608 lttv_stats_add_event_hooks(LttvTracesetStats *self)
 609 {
 610   LttvTraceset *traceset = self->parent.parent.ts;
 611
 612   guint i, j, k, nb_trace, nb_control, nb_per_cpu, nb_tracefile;
 613
 614   LttFacility *f;
 615
 616   LttEventType *et;
 617
 618   LttvTraceStats *ts;
 619
 620   LttvTracefileStats *tfs;
 621
 622   void *hook_data;
 623
 624   GArray *hooks, *before_hooks, *after_hooks;
 625
 626   LttvTraceHook hook;
 627
 628   LttvAttributeValue val;
 629
 630   nb_trace = lttv_traceset_number(traceset);
 631   for(i = 0 ; i < nb_trace ; i++) {
 632     ts = (LttvTraceStats *)self->parent.parent.traces[i];
 633
 634     /* Find the eventtype id for the following events and register the
 635        associated by id hooks. */
 636
 637     hooks = g_array_new(FALSE, FALSE, sizeof(LttvTraceHook));
 638     g_array_set_size(hooks, 7);
 639
 640     lttv_trace_find_hook(ts->parent.parent.t, "core","syscall_entry",
 641         "syscall_id", NULL, NULL, before_syscall_entry,
 642         &g_array_index(hooks, LttvTraceHook, 0));
 643
 644     lttv_trace_find_hook(ts->parent.parent.t, "core", "syscall_exit", NULL,
 645         NULL, NULL, before_syscall_exit,
 646         &g_array_index(hooks, LttvTraceHook, 1));
 647
 648     lttv_trace_find_hook(ts->parent.parent.t, "core", "trap_entry", "trap_id",
 649         NULL, NULL, before_trap_entry,
 650         &g_array_index(hooks, LttvTraceHook, 2));
 651
 652     lttv_trace_find_hook(ts->parent.parent.t, "core", "trap_exit", NULL, NULL,
 653         NULL, before_trap_exit, &g_array_index(hooks, LttvTraceHook, 3));
 654
 655     lttv_trace_find_hook(ts->parent.parent.t, "core", "irq_entry", "irq_id",
 656         NULL, NULL, before_irq_entry, &g_array_index(hooks, LttvTraceHook, 4));
 657
 658     lttv_trace_find_hook(ts->parent.parent.t, "core", "irq_exit", NULL, NULL,
 659         NULL, before_irq_exit, &g_array_index(hooks, LttvTraceHook, 5));
 660
 661     lttv_trace_find_hook(ts->parent.parent.t, "core", "schedchange", "in",
 662         "out", "out_state", before_schedchange,
 663          &g_array_index(hooks, LttvTraceHook, 6));
 664
 665     before_hooks = hooks;
 666
 667     hooks = g_array_new(FALSE, FALSE, sizeof(LttvTraceHook));
 668     g_array_set_size(hooks, 8);
 669
 670     lttv_trace_find_hook(ts->parent.parent.t, "core","syscall_entry",
 671         "syscall_id", NULL, NULL, after_syscall_entry,
 672         &g_array_index(hooks, LttvTraceHook, 0));
 673
 674     lttv_trace_find_hook(ts->parent.parent.t, "core", "syscall_exit", NULL,
 675         NULL, NULL, after_syscall_exit,
 676         &g_array_index(hooks, LttvTraceHook, 1));
 677
 678     lttv_trace_find_hook(ts->parent.parent.t, "core", "trap_entry", "trap_id",
 679         NULL, NULL, after_trap_entry, &g_array_index(hooks, LttvTraceHook, 2));
 680
 681     lttv_trace_find_hook(ts->parent.parent.t, "core", "trap_exit", NULL, NULL,
 682         NULL, after_trap_exit, &g_array_index(hooks, LttvTraceHook, 3));
 683
 684     lttv_trace_find_hook(ts->parent.parent.t, "core", "irq_entry", "irq_id",
 685         NULL, NULL, after_irq_entry, &g_array_index(hooks, LttvTraceHook, 4));
 686
 687     lttv_trace_find_hook(ts->parent.parent.t, "core", "irq_exit", NULL, NULL,
 688         NULL, after_irq_exit, &g_array_index(hooks, LttvTraceHook, 5));
 689
 690     lttv_trace_find_hook(ts->parent.parent.t, "core", "process_fork",
 691         "child_pid", NULL, NULL, process_fork,
 692         &g_array_index(hooks, LttvTraceHook, 6));
 693
 694     lttv_trace_find_hook(ts->parent.parent.t, "core", "process_exit", NULL,
 695         NULL, NULL, process_exit, &g_array_index(hooks, LttvTraceHook, 7));
 696
 697     after_hooks = hooks;
 698
 699     /* Add these hooks to each before_event_by_id hooks list */
 700
 701     nb_control = ltt_trace_control_tracefile_number(ts->parent.parent.t);
 702     nb_per_cpu = ltt_trace_per_cpu_tracefile_number(ts->parent.parent.t);
 703     nb_tracefile = nb_control + nb_per_cpu;
 704     for(j = 0 ; j < nb_tracefile ; j++) {
 705       if(j < nb_control) {
 706         tfs = LTTV_TRACEFILE_STATS(ts->parent.parent.control_tracefiles[j]);
 707       }
 708       else {
 709         tfs = LTTV_TRACEFILE_STATS(ts->parent.parent.per_cpu_tracefiles[
 710             j-nb_control]);
 711       }
 712
 713       lttv_hooks_add(tfs->parent.parent.after_event, every_event, NULL);
 714
 715       for(k = 0 ; k < before_hooks->len ; k++) {
 716         hook = g_array_index(before_hooks, LttvTraceHook, k);
 717         lttv_hooks_add(lttv_hooks_by_id_find(
 718             tfs->parent.parent.before_event_by_id,
 719             hook.id), hook.h, &g_array_index(before_hooks, LttvTraceHook, k));
 720       }
 721       for(k = 0 ; k < after_hooks->len ; k++) {
 722         hook = g_array_index(after_hooks, LttvTraceHook, k);
 723         lttv_hooks_add(lttv_hooks_by_id_find(
 724             tfs->parent.parent.after_event_by_id,
 725             hook.id), hook.h, &g_array_index(after_hooks, LttvTraceHook, k));
 726       }
 727     }
 728     lttv_attribute_find(self->parent.parent.a, LTTV_STATS_BEFORE_HOOKS,
 729         LTTV_POINTER, &val);
 730     *(val.v_pointer) = before_hooks;
 731     lttv_attribute_find(self->parent.parent.a, LTTV_STATS_AFTER_HOOKS,
 732         LTTV_POINTER, &val);
 733     *(val.v_pointer) = after_hooks;
 734   }
 735   lttv_hooks_add(self->parent.parent.after, sum_stats, NULL);
 736 }
 737
 738
 739 lttv_stats_remove_event_hooks(LttvTracesetStats *self)
 740 {
 741   LttvTraceset *traceset = self->parent.parent.ts;
 742
 743   guint i, j, k, nb_trace, nb_control, nb_per_cpu, nb_tracefile;
 744
 745   LttvTraceStats *ts;
 746
 747   LttvTracefileStats *tfs;
 748
 749   void *hook_data;
 750
 751   GArray *before_hooks, *after_hooks;
 752
 753   LttvTraceHook hook;
 754
 755   LttvAttributeValue val;
 756
 757   nb_trace = lttv_traceset_number(traceset);
 758   for(i = 0 ; i < nb_trace ; i++) {
 759     ts = LTTV_TRACE_STATS(self->parent.parent.traces[i]);
 760     lttv_attribute_find(self->parent.parent.a, LTTV_STATS_BEFORE_HOOKS,
 761         LTTV_POINTER, &val);
 762     before_hooks = *(val.v_pointer);
 763     lttv_attribute_find(self->parent.parent.a, LTTV_STATS_AFTER_HOOKS,
 764         LTTV_POINTER, &val);
 765     after_hooks = *(val.v_pointer);
 766
 767     /* Add these hooks to each before_event_by_id hooks list */
 768
 769     nb_control = ltt_trace_control_tracefile_number(ts->parent.parent.t);
 770     nb_per_cpu = ltt_trace_per_cpu_tracefile_number(ts->parent.parent.t);
 771     nb_tracefile = nb_control + nb_per_cpu;
 772     for(j = 0 ; j < nb_tracefile ; j++) {
 773       if(j < nb_control) {
 774         tfs = LTTV_TRACEFILE_STATS(ts->parent.parent.control_tracefiles[j]);
 775       }
 776       else {
 777         tfs =LTTV_TRACEFILE_STATS(ts->parent.parent.per_cpu_tracefiles[
 778             j-nb_control]);
 779       }
 780
 781       lttv_hooks_remove_data(tfs->parent.parent.after_event, every_event,
 782           NULL);
 783
 784       for(k = 0 ; k < before_hooks->len ; k++) {
 785         hook = g_array_index(before_hooks, LttvTraceHook, k);
 786         lttv_hooks_remove_data(
 787             lttv_hooks_by_id_find(tfs->parent.parent.before_event_by_id,
 788             hook.id), hook.h, &g_array_index(before_hooks, LttvTraceHook, k));
 789       }
 790       for(k = 0 ; k < after_hooks->len ; k++) {
 791         hook = g_array_index(after_hooks, LttvTraceHook, k);
 792         lttv_hooks_remove_data(
 793             lttv_hooks_by_id_find(tfs->parent.parent.after_event_by_id,
 794             hook.id), hook.h, &g_array_index(after_hooks, LttvTraceHook, k));
 795       }
 796     }
 797     g_array_free(before_hooks, TRUE);
 798     g_array_free(after_hooks, TRUE);
 799   }
 800   lttv_hooks_remove_data(self->parent.parent.after, sum_stats, NULL);
 801 }
 802
 803
 804 void lttv_stats_init(int argc, char **argv)
 805 {
 806   LTTV_STATS_PROCESS_UNKNOWN = g_quark_from_string("unknown process");
 807   LTTV_STATS_PROCESSES = g_quark_from_string("processes");
 808   LTTV_STATS_CPU = g_quark_from_string("cpu");
 809   LTTV_STATS_MODE_TYPES = g_quark_from_string("mode_types");
 810   LTTV_STATS_MODES = g_quark_from_string("modes");
 811   LTTV_STATS_SUBMODES = g_quark_from_string("submodes");
 812   LTTV_STATS_EVENT_TYPES = g_quark_from_string("event_types");
 813   LTTV_STATS_CPU_TIME = g_quark_from_string("cpu time");
 814   LTTV_STATS_ELAPSED_TIME = g_quark_from_string("elapsed time");
 815   LTTV_STATS_EVENTS = g_quark_from_string("events");
 816   LTTV_STATS_EVENTS_COUNT = g_quark_from_string("events count");
 817   LTTV_STATS_BEFORE_HOOKS = g_quark_from_string("saved stats before hooks");
 818   LTTV_STATS_AFTER_HOOKS = g_quark_from_string("saved stats after hooks");
 819 }
 820
 821 void lttv_stats_destroy()
 822 {
 823 }
 824