| 1 | |
| 2 | #include <lttv/state.h> |
| 3 | |
| 4 | LttvInterruptType |
| 5 | LTTV_STATE_USER_MODE, |
| 6 | LTTV_STATE_SYSCALL, |
| 7 | LTTV_STATE_TRAP, |
| 8 | LTTV_STATE_IRQ; |
| 9 | |
| 10 | |
| 11 | LttvProcessStatus |
| 12 | LTTV_STATE_UNNAMED, |
| 13 | LTTV_STATE_WAIT_FORK, |
| 14 | LTTV_STATE_WAIT_CPU, |
| 15 | LTTV_STATE_EXIT, |
| 16 | LTTV_STATE_WAIT, |
| 17 | LTTV_STATE_RUN; |
| 18 | |
| 19 | |
| 20 | static void |
| 21 | init(LttvTracesetState *self, LttvTraceset *ts) |
| 22 | { |
| 23 | guint i, j, nb_trace, nb_tracefile; |
| 24 | |
| 25 | LttvTraceContext *tc; |
| 26 | |
| 27 | LttvTraceState *tcs; |
| 28 | |
| 29 | LttvTracefileContext *tfc; |
| 30 | |
| 31 | LttvTracefileState *tfcs; |
| 32 | |
| 33 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek_parent(LTTV_TRACESET_STATE_GET_CLASS(self)))->init((LttvTracesetContext *)self, ts); |
| 34 | |
| 35 | nb_trace = lttv_traceset_number(ts); |
| 36 | for(i = 0 ; i < nb_trace ; i++) { |
| 37 | tcs = (LttvTraceState *)tc = (LTTV_TRACESET_CONTEXT(self)->traces[i]); |
| 38 | tcs->processes = g_hash_table_new(g_direct_hash, g_direct_equal); |
| 39 | |
| 40 | nb_tracefile = ltt_trace_control_tracefile_number(tc->t); |
| 41 | for(j = 0 ; j < nb_tracefile ; j++) { |
| 42 | tfcs = (LttvTracefileState *)tfc = tc->control_tracefiles[j]; |
| 43 | tfcs->process = NULL; |
| 44 | } |
| 45 | |
| 46 | nb_tracefile = ltt_trace_per_cpu_tracefile_number(tc->t); |
| 47 | for(j = 0 ; j < nb_tracefile ; j++) { |
| 48 | tfcs = (LttvTracefileState *)tfc = tc->per_cpu_tracefiles[j]; |
| 49 | tfcs->process = NULL; |
| 50 | } |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | |
| 55 | static void |
| 56 | fini(LttvTracesetState *self) |
| 57 | { |
| 58 | guint i, j, nb_trace, nb_tracefile; |
| 59 | |
| 60 | LttvTraceState *tcs; |
| 61 | |
| 62 | LttvTracefileState *tfcs; |
| 63 | |
| 64 | nb_trace = lttv_traceset_number(LTTV_TRACESET_CONTEXT(self)->ts); |
| 65 | for(i = 0 ; i < nb_trace ; i++) { |
| 66 | tcs = (LttvTraceState *)(LTTV_TRACESET_CONTEXT(self)->traces[i]); |
| 67 | remove_all_processes(tcs->processes); |
| 68 | g_hash_table_destroy(tcs->processes); |
| 69 | } |
| 70 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek_parent(LTTV_TRACESET_STATE_GET_CLASS(self)))->fini((LttvTracesetContext *)self); |
| 71 | } |
| 72 | |
| 73 | |
| 74 | LttvTracesetContext * |
| 75 | new_traceset_context(LttvTracesetContext *self) |
| 76 | { |
| 77 | return LTTV_TRACESET_CONTEXT(g_object_new(LTTV_TRACESET_STATE_TYPE, NULL)); |
| 78 | } |
| 79 | |
| 80 | |
| 81 | LttvTraceContext * |
| 82 | new_trace_context(LttvTracesetContext *self) |
| 83 | { |
| 84 | return LTTV_TRACE_CONTEXT(g_object_new(LTTV_TRACE_STATE_TYPE, NULL)); |
| 85 | } |
| 86 | |
| 87 | |
| 88 | LttvTracefileContext * |
| 89 | new_tracefile_context(LttvTracesetContext *self) |
| 90 | { |
| 91 | return LTTV_TRACEFILE_CONTEXT(g_object_new(LTTV_TRACEFILE_STATE_TYPE, NULL)); |
| 92 | } |
| 93 | |
| 94 | |
| 95 | static void |
| 96 | traceset_state_instance_init (GTypeInstance *instance, gpointer g_class) |
| 97 | { |
| 98 | } |
| 99 | |
| 100 | |
| 101 | static void |
| 102 | traceset_state_finalize (LttvTracesetContext *self) |
| 103 | { |
| 104 | G_OBJECT_CLASS(g_type_class_peek_parent(LTTV_TRACESET_STATE_GET_CLASS(self)))->finalize(G_OBJECT(self)); |
| 105 | } |
| 106 | |
| 107 | |
| 108 | static void |
| 109 | traceset_state_class_init (LttvTracesetContextClass *klass) |
| 110 | { |
| 111 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
| 112 | |
| 113 | gobject_class->finalize = (void (*)(GObject *self)) traceset_state_finalize; |
| 114 | klass->init = (void (*)(LttvTracesetContext *self, LttvTraceset *ts))init; |
| 115 | klass->fini = (void (*)(LttvTracesetContext *self))fini; |
| 116 | klass->new_traceset_context = new_traceset_context; |
| 117 | klass->new_trace_context = new_trace_context; |
| 118 | klass->new_tracefile_context = new_tracefile_context; |
| 119 | } |
| 120 | |
| 121 | |
| 122 | GType |
| 123 | lttv_traceset_state_get_type(void) |
| 124 | { |
| 125 | static GType type = 0; |
| 126 | if (type == 0) { |
| 127 | static const GTypeInfo info = { |
| 128 | sizeof (LttvTracesetStateClass), |
| 129 | NULL, /* base_init */ |
| 130 | NULL, /* base_finalize */ |
| 131 | (GClassInitFunc) traceset_state_class_init, /* class_init */ |
| 132 | NULL, /* class_finalize */ |
| 133 | NULL, /* class_data */ |
| 134 | sizeof (LttvTracesetContext), |
| 135 | 0, /* n_preallocs */ |
| 136 | (GInstanceInitFunc) traceset_state_instance_init /* instance_init */ |
| 137 | }; |
| 138 | |
| 139 | type = g_type_register_static (LTTV_TRACESET_CONTEXT_TYPE, "LttvTracesetStateType", |
| 140 | &info, 0); |
| 141 | } |
| 142 | return type; |
| 143 | } |
| 144 | |
| 145 | |
| 146 | static void |
| 147 | trace_state_instance_init (GTypeInstance *instance, gpointer g_class) |
| 148 | { |
| 149 | } |
| 150 | |
| 151 | |
| 152 | static void |
| 153 | trace_state_finalize (LttvTraceContext *self) |
| 154 | { |
| 155 | G_OBJECT_CLASS(g_type_class_peek_parent(LTTV_TRACE_STATE_GET_CLASS(self)))->finalize(G_OBJECT(self)); |
| 156 | } |
| 157 | |
| 158 | |
| 159 | static void |
| 160 | trace_state_class_init (LttvTraceContextClass *klass) |
| 161 | { |
| 162 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
| 163 | |
| 164 | gobject_class->finalize = (void (*)(GObject *self)) trace_state_finalize; |
| 165 | } |
| 166 | |
| 167 | |
| 168 | GType |
| 169 | lttv_trace_state_get_type(void) |
| 170 | { |
| 171 | static GType type = 0; |
| 172 | if (type == 0) { |
| 173 | static const GTypeInfo info = { |
| 174 | sizeof (LttvTraceStateClass), |
| 175 | NULL, /* base_init */ |
| 176 | NULL, /* base_finalize */ |
| 177 | (GClassInitFunc) trace_state_class_init, /* class_init */ |
| 178 | NULL, /* class_finalize */ |
| 179 | NULL, /* class_data */ |
| 180 | sizeof (LttvTracesetState), |
| 181 | 0, /* n_preallocs */ |
| 182 | (GInstanceInitFunc) trace_state_instance_init /* instance_init */ |
| 183 | }; |
| 184 | |
| 185 | type = g_type_register_static (LTTV_TRACE_CONTEXT_TYPE, |
| 186 | "LttvTraceStateType", &info, 0); |
| 187 | } |
| 188 | return type; |
| 189 | } |
| 190 | |
| 191 | |
| 192 | static void |
| 193 | tracefile_state_instance_init (GTypeInstance *instance, gpointer g_class) |
| 194 | { |
| 195 | } |
| 196 | |
| 197 | |
| 198 | static void |
| 199 | tracefile_state_finalize (LttvTracefileState *self) |
| 200 | { |
| 201 | G_OBJECT_CLASS(g_type_class_peek_parent(LTTV_TRACEFILE_STATE_GET_CLASS(self)))->finalize(G_OBJECT(self)); |
| 202 | } |
| 203 | |
| 204 | |
| 205 | static void |
| 206 | tracefile_state_class_init (LttvTracefileStateClass *klass) |
| 207 | { |
| 208 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
| 209 | |
| 210 | gobject_class->finalize = (void (*)(GObject *self)) tracefile_state_finalize; |
| 211 | } |
| 212 | |
| 213 | |
| 214 | GType |
| 215 | lttv_tracefile_state_get_type(void) |
| 216 | { |
| 217 | static GType type = 0; |
| 218 | if (type == 0) { |
| 219 | static const GTypeInfo info = { |
| 220 | sizeof (LttvTracefileStateClass), |
| 221 | NULL, /* base_init */ |
| 222 | NULL, /* base_finalize */ |
| 223 | (GClassInitFunc) tracefile_state_class_init, /* class_init */ |
| 224 | NULL, /* class_finalize */ |
| 225 | NULL, /* class_data */ |
| 226 | sizeof (LttvTracefileState), |
| 227 | 0, /* n_preallocs */ |
| 228 | (GInstanceInitFunc) tracefile_state_instance_init /* instance_init */ |
| 229 | }; |
| 230 | |
| 231 | type = g_type_register_static (LTTV_TRACEFILE_CONTEXT_TYPE, |
| 232 | "LttvTracefileStateType", &info, 0); |
| 233 | } |
| 234 | return type; |
| 235 | } |
| 236 | |
| 237 | |
| 238 | struct HookData { |
| 239 | LttField *f1; |
| 240 | LttField *f2; |
| 241 | LttField *f3; |
| 242 | }; |
| 243 | |
| 244 | |
| 245 | struct HookId { |
| 246 | LttvHook h; |
| 247 | guint id; |
| 248 | void *hook_data; |
| 249 | gboolean free_hook_data; |
| 250 | }; |
| 251 | |
| 252 | |
| 253 | static void push_state(LttvTracefileState *tfs, LttvInterruptType t, |
| 254 | guint state_id) |
| 255 | { |
| 256 | LttvInterruptState *intr; |
| 257 | |
| 258 | LttvProcessState *process = tfs->process; |
| 259 | |
| 260 | guint depth = process->interrupt_stack->len; |
| 261 | |
| 262 | g_array_set_size(process->interrupt_stack, depth + 1); |
| 263 | intr = &g_array_index(process->interrupt_stack, LttvInterruptState, depth); |
| 264 | intr->t = t; |
| 265 | intr->n = state_id; |
| 266 | intr->entry = intr->last_change = LTTV_TRACEFILE_CONTEXT(tfs)->timestamp; |
| 267 | intr->s = process->state->s; |
| 268 | } |
| 269 | |
| 270 | |
| 271 | static void pop_state(LttvTracefileState *tfs, LttvInterruptType t) |
| 272 | { |
| 273 | LttvProcessState *process = tfs->process; |
| 274 | |
| 275 | guint depth = process->interrupt_stack->len - 1; |
| 276 | |
| 277 | g_assert(process->state->t == t); |
| 278 | g_array_remove_index(process->interrupt_stack, depth); |
| 279 | depth--; |
| 280 | process->state = &g_array_index(process->interrupt_stack, LttvInterruptState, |
| 281 | depth); |
| 282 | } |
| 283 | |
| 284 | |
| 285 | LttvProcessState *create_process(LttvTracefileState *tfs, |
| 286 | LttvProcessState *parent, guint pid) |
| 287 | { |
| 288 | LttvProcessState *process = g_new(LttvProcessState, 1); |
| 289 | |
| 290 | LttvInterruptState *intr; |
| 291 | |
| 292 | LttvTraceContext *tc; |
| 293 | |
| 294 | LttvTraceContext *tcs; |
| 295 | |
| 296 | tcs = (LttvTraceState *)tc = LTTV_TRACEFILE_CONTEXT(tfs)->ts; |
| 297 | |
| 298 | g_hash_table_insert(tcs->processes, GUINT_TO_POINTER(pid), process); |
| 299 | process->pid = pid; |
| 300 | process->birth = tfs->timestamp; |
| 301 | process->name = LTTV_STATE_UNNAMED; |
| 302 | process->interrupt_stack = g_array_new(FALSE, FALSE, |
| 303 | sizeof(LttvInterruptState)); |
| 304 | g_array_set_size(process->interrupt_stack, 1); |
| 305 | intr = process->state = &g_array_index(process->interrupt_stack, |
| 306 | LttvInterruptState, 0); |
| 307 | intr->t = LTTV_STATE_USER_MODE |
| 308 | intr->n = 0; |
| 309 | intr->entry = tfs->timestamp; |
| 310 | intr->last_change = tfs->timestamp; |
| 311 | intr->s = LTTV_STATE_WAIT_FORK; |
| 312 | } |
| 313 | |
| 314 | |
| 315 | LttvProcessState *find_process(LttvTraceState *tfs, guint pid) |
| 316 | { |
| 317 | LttvProcessState *process = g_hash_table_lookup(tfs->processes, pid); |
| 318 | if(process == NULL) process = create_process(tfs, NULL, pid); |
| 319 | return process; |
| 320 | } |
| 321 | |
| 322 | |
| 323 | void exit_process(LttvTraceState *ts, LttvProcessState *process) |
| 324 | { |
| 325 | g_hash_table_remove(tfs-ts->processes, process->pid); |
| 326 | g_array_free(process->interrupt_stack, TRUE); |
| 327 | g_free(process); |
| 328 | } |
| 329 | |
| 330 | |
| 331 | void free_process_state(gpointer key, gpointer value, gpointer user_data) |
| 332 | { |
| 333 | g_array_free(((LttvProcessState *)value)->interrupt_stack, TRUE); |
| 334 | g_free(value); |
| 335 | } |
| 336 | |
| 337 | |
| 338 | void remove_all_processes(GHashTable *processes) |
| 339 | { |
| 340 | g_hash_table_foreach(processes, free_process_state, NULL); |
| 341 | } |
| 342 | |
| 343 | |
| 344 | gboolean syscall_entry(void *hook_data, void *call_data) |
| 345 | { |
| 346 | LttField *f = (LttField *)hook_data; |
| 347 | |
| 348 | struct LttvTracefileState *s = (LttvTraceFileState *)call_data; |
| 349 | |
| 350 | push_state(s, LTTV_STATE_SYSCALL, ltt_event_get_unsigned(s->e, f)); |
| 351 | return FALSE; |
| 352 | } |
| 353 | |
| 354 | |
| 355 | gboolean syscall_exit(void *hook_data, void *call_data) |
| 356 | { |
| 357 | struct LttvTracefileState *s = (LttvTraceFileState *)call_data; |
| 358 | |
| 359 | pop_state(s, LTTV_STATE_SYSCALL); |
| 360 | return FALSE; |
| 361 | } |
| 362 | |
| 363 | |
| 364 | gboolean trap_entry(void *hook_data, void *call_data) |
| 365 | { |
| 366 | LttField *f = (LttField *)hook_data; |
| 367 | |
| 368 | struct LttvTracefileState *s = (LttvTraceFileState *)call_data; |
| 369 | |
| 370 | push_state(s, LTTV_STATE_TRAP, ltt_event_get_unsigned(s->e, f)); |
| 371 | return FALSE; |
| 372 | } |
| 373 | |
| 374 | |
| 375 | gboolean trap_exit(void *hook_data, void *call_data) |
| 376 | { |
| 377 | struct LttvTracefileState *s = (LttvTraceFileState *)call_data; |
| 378 | |
| 379 | pop_state(s, LTTV_STATE_TRAP); |
| 380 | return FALSE; |
| 381 | } |
| 382 | |
| 383 | |
| 384 | gboolean irq_entry(void *hook_data, void *call_data) |
| 385 | { |
| 386 | LttField *f = (LttField *)hook_data; |
| 387 | |
| 388 | struct LttvTracefileState *s = (LttvTraceFileState *)call_data; |
| 389 | |
| 390 | /* Do something with the info about being in user or system mode when int? */ |
| 391 | push_state(s, LTTV_STATE_IRQ, ltt_event_get_unsigned(s->e, f)); |
| 392 | return FALSE; |
| 393 | } |
| 394 | |
| 395 | |
| 396 | gboolean irq_exit(void *hook_data, void *call_data) |
| 397 | { |
| 398 | struct LttvTracefileState *s = (LttvTraceFileState *)call_data; |
| 399 | |
| 400 | pop_state(s, LTTV_STATE_IRQ); |
| 401 | return FALSE; |
| 402 | } |
| 403 | |
| 404 | |
| 405 | gboolean schedchange(void *hook_data, void *call_data) |
| 406 | { |
| 407 | struct HookData *h = (struct HookData *)hook_data; |
| 408 | |
| 409 | struct LttvTracefileState *s = (LttvTraceFileState *)call_data; |
| 410 | |
| 411 | guint pid_in, pid_out, state_out; |
| 412 | |
| 413 | pid_in = ltt_event_get_int(s->e, h->f1); |
| 414 | pid_out = ltt_event_get_int(s->e, h->f2); |
| 415 | state_out = ltt_event_get_int(s->e, h->f3); |
| 416 | if(s->process != NULL) { |
| 417 | if(state_out == 0) s->process->state->s = LTTV_STATE_WAIT_CPU; |
| 418 | else if(s->process->state->s == LTTV_STATE_EXIT) |
| 419 | exit_process(s->tc, s->process); |
| 420 | else s->process->state->s = LTTV_STATE_WAIT; |
| 421 | } |
| 422 | s->process = find_process(s->tc, pid_in); |
| 423 | s->process->state->s = LTTV_STATE_RUN; |
| 424 | return FALSE; |
| 425 | } |
| 426 | |
| 427 | |
| 428 | gboolean process_fork(void *hook_data, void *call_data) |
| 429 | { |
| 430 | LttField *f = (LttField *)hook_data; |
| 431 | |
| 432 | struct LttvTracefileState *s = (LttvTraceFileState *)call_data; |
| 433 | |
| 434 | guint child_pid; |
| 435 | |
| 436 | child_pid = ltt_event_get_int(s->e, f); |
| 437 | create_process(s->tc, s->process, child_pid); |
| 438 | return FALSE; |
| 439 | } |
| 440 | |
| 441 | |
| 442 | gboolean process_exit(void *hook_data, void *call_data) |
| 443 | { |
| 444 | struct LttvTracefileState *s = (LttvTraceFileState *)call_data; |
| 445 | |
| 446 | if(s->process != NULL) { |
| 447 | s->process->state->s = LTTV_STATE_EXIT; |
| 448 | } |
| 449 | return FALSE; |
| 450 | } |
| 451 | |
| 452 | |
| 453 | static LttField * |
| 454 | find_field(LttEventType *et, const char *field) |
| 455 | { |
| 456 | LttType *t; |
| 457 | |
| 458 | LttField *f; |
| 459 | |
| 460 | guint i, nb; |
| 461 | |
| 462 | char *name; |
| 463 | |
| 464 | if(field == NULL) return NULL; |
| 465 | |
| 466 | f = ltt_eventtype_field(et); |
| 467 | t = ltt_eventtype_type(et); |
| 468 | g_assert(ltt_type_class(t) == LTT_STRUCT); |
| 469 | nb = ltt_type_member_number(t); |
| 470 | for(i = 0 ; i < nb ; i++) { |
| 471 | ltt_type_member_type(t, i, &name); |
| 472 | if(strcmp(name, field) == 0) break; |
| 473 | } |
| 474 | g_assert(i < nb); |
| 475 | return ltt_field_member(f, i); |
| 476 | } |
| 477 | |
| 478 | |
| 479 | static HookId |
| 480 | find_hook(LttTrace *t, const char *facility, const char *event, |
| 481 | const char *field1, *field2, *field3, LttHook h) |
| 482 | { |
| 483 | LttFacility *f; |
| 484 | |
| 485 | LttEventType *et; |
| 486 | |
| 487 | guint nb, pos, i; |
| 488 | |
| 489 | struct HookId hook_id; |
| 490 | |
| 491 | struct HookData hook_data, *phook_data; |
| 492 | |
| 493 | char *name; |
| 494 | |
| 495 | nb = ltt_trace_facility_find(t, facility, &pos); |
| 496 | if(nb < 1) g_error("No %s facility", facility); |
| 497 | f = ltt_facility_get(t, pos); |
| 498 | et = ltt_facility_get_by_name(f, event); |
| 499 | if(et == NULL) g_error("Event %s does not exist", event); |
| 500 | |
| 501 | hook_id.id = ltt_eventtype_id(et); |
| 502 | hook_id.h = h; |
| 503 | hook_id.free_hook_data = FALSE; |
| 504 | hook_data.f1 = find_field(et, field1); |
| 505 | hook_data.f2 = find_field(et, field2); |
| 506 | hook_data.f3 = find_field(et, field3); |
| 507 | if(hook_data->f1 == NULL) hook_id->hook_data = NULL; |
| 508 | else if(hook_data->f2 == NULL) hook_id->hook_data = hook_data->f1; |
| 509 | else { |
| 510 | phook_data = g_new(struct HookData, 1); |
| 511 | *phook_data = hook_data; |
| 512 | hook_id.hook_data = phook_data; |
| 513 | hook_id.free_hook_data = TRUE; |
| 514 | } |
| 515 | return hook_id; |
| 516 | } |
| 517 | |
| 518 | |
| 519 | lttv_state_add_event_hooks(LttvTracesetState *self) |
| 520 | { |
| 521 | LttvTraceset *ts = self->ts; |
| 522 | |
| 523 | guint i, j, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
| 524 | |
| 525 | LttFacility *f; |
| 526 | |
| 527 | LttEventType *et; |
| 528 | |
| 529 | LttvTraceState *tc; |
| 530 | |
| 531 | LttvTracefileState *tfc; |
| 532 | |
| 533 | void *hook_data; |
| 534 | |
| 535 | GArray *hooks; |
| 536 | |
| 537 | struct HookId hook_id; |
| 538 | |
| 539 | LttvAttributeValue val; |
| 540 | |
| 541 | nb_trace = lttv_traceset_number(ts); |
| 542 | for(i = 0 ; i < nb_trace ; i++) { |
| 543 | tc = (LttvTraceState *)self->traces[i]; |
| 544 | |
| 545 | /* Find the eventtype id for the following events and register the |
| 546 | associated by id hooks. */ |
| 547 | |
| 548 | hooks = g_array_new(FALSE, FALSE, struct HookId); |
| 549 | g_array_add(hooks, find_hook(tc->t, "core","syscall_entry", "syscall_id", |
| 550 | NULL, NULL, syscall_entry)); |
| 551 | g_array_add(hooks, find_hook(tc->t, "core", "syscall_exit", NULL, NULL, |
| 552 | NULL, syscall_exit)); |
| 553 | g_array_add(hooks, find_hook(tc->t, "core", "trap_entry", "trap_id", |
| 554 | NULL, trap_entry)); |
| 555 | g_array_add(hooks, find_hook(tc->t, "core", "trap_exit", NULL, NULL, |
| 556 | NULL, trap_exit)); |
| 557 | g_array_add(hooks, find_hook(tc->t, "core", "irq_entry", "irq_id", |
| 558 | NULL, irq_entry)); |
| 559 | g_array_add(hooks, find_hook(tc->t, "core", "irq_exit", NULL, NULL, |
| 560 | NULL, irq_exit)); |
| 561 | g_array_add(hooks, find_hook(tc->t, "core", "schedchange", "in", "out", |
| 562 | "out_state", schedchange)); |
| 563 | g_array_add(hooks, find_hook(tc->t, "core", "process_fork", "child_pid", |
| 564 | NULL, NULL, process_fork)); |
| 565 | g_array_add(hooks, find_hook(tc->t, "core", "process_exit", NULL, NULL, |
| 566 | NULL, process_exit)); |
| 567 | |
| 568 | /* Add these hooks to each before_event_by_id hooks list */ |
| 569 | |
| 570 | nb_control = ltt_trace_control_tracefile_number(tc->t); |
| 571 | nb_per_cpu = ltt_trace_control_tracefile_number(tc->t); |
| 572 | nb_tracefile = nb_control + nb_per_cpu; |
| 573 | for(j = 0 ; j < nb_tracefile ; j++) { |
| 574 | if(j < nb_control) { |
| 575 | tfc = tc->control_tracefiles[j]; |
| 576 | } |
| 577 | else { |
| 578 | tfc = tc->per_cpu_tracefiles[j]; |
| 579 | } |
| 580 | |
| 581 | for(k = 0 ; k < hooks->len ; k++) { |
| 582 | hook_id = g_array_index(hooks, struct HookId, k); |
| 583 | lttv_hooks_add(lttv_hooks_by_id_find(tfc->before_event_by_id, |
| 584 | hook_id->id), hook_id->h, hook_id->hook_data); |
| 585 | } |
| 586 | } |
| 587 | lttv_attribute_find(self->a, LTTV_STATE_HOOKS, LTTV_POINTER, val); |
| 588 | val->v_pointer = hooks; |
| 589 | } |
| 590 | } |
| 591 | |
| 592 | |
| 593 | lttv_state_remove_event_hooks(LttvTracesetState *self) |
| 594 | { |
| 595 | LttvTraceset *ts = self->ts; |
| 596 | |
| 597 | guint i, j, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
| 598 | |
| 599 | LttvTraceState *tc; |
| 600 | |
| 601 | LttvTracefileState *tfc; |
| 602 | |
| 603 | void *hook_data; |
| 604 | |
| 605 | GArray *hooks; |
| 606 | |
| 607 | struct HookId hook_id; |
| 608 | |
| 609 | LttvAttributeValue val; |
| 610 | |
| 611 | nb_trace = lttv_traceset_number(ts); |
| 612 | for(i = 0 ; i < nb_trace ; i++) { |
| 613 | tc = (LttvTraceState *)self->traces[i]; |
| 614 | lttv_attribute_find(self->a, LTTV_STATE_HOOKS, LTTV_POINTER, val); |
| 615 | hooks = val->v_pointer; |
| 616 | |
| 617 | /* Add these hooks to each before_event_by_id hooks list */ |
| 618 | |
| 619 | nb_control = ltt_trace_control_tracefile_number(tc->t); |
| 620 | nb_per_cpu = ltt_trace_control_tracefile_number(tc->t); |
| 621 | nb_tracefile = nb_control + nb_per_cpu; |
| 622 | for(j = 0 ; j < nb_tracefile ; j++) { |
| 623 | if(j < nb_control) { |
| 624 | tfc = tc->control_tracefiles[j]; |
| 625 | } |
| 626 | else { |
| 627 | tfc = tc->per_cpu_tracefiles[j]; |
| 628 | } |
| 629 | |
| 630 | for(k = 0 ; k < hooks->len ; k++) { |
| 631 | hook_id = g_array_index(hooks, struct HookId, k); |
| 632 | lttv_hooks_remove_data(lttv_hooks_by_id_find(tfc->before_event_by_id, |
| 633 | hook_id->id), hook_id->h, hook_id->hook_data); |
| 634 | |
| 635 | } |
| 636 | for(k = 0 ; k < hooks->len ; k++) { |
| 637 | hook_id = g_array_index(hooks, struct HookId, k); |
| 638 | if(hook_id->free_hook_data) g_free(hook_id->hook_data); |
| 639 | } |
| 640 | } |
| 641 | g_array_free(hooks, TRUE); |
| 642 | } |
| 643 | } |
| 644 | |
| 645 | |
| 646 | void lttv_state_init(int argc, char **argv) |
| 647 | { |
| 648 | LTTV_STATE_UNNAMED = g_quark_from_string("unnamed"); |
| 649 | LTTV_STATE_USER_MODE = g_quark_from_string("user mode"); |
| 650 | LTTV_STATE_WAIT_FORK = g_quark_from_string("wait fork"); |
| 651 | LTTV_STATE_SYSCALL = g_quark_from_string("system call"); |
| 652 | LTTV_STATE_TRAP = g_quark_from_string("trap"); |
| 653 | LTTV_STATE_IRQ = g_quark_from_string("irq"); |
| 654 | LTTV_STATE_WAIT_CPU = g_quark_from_string("wait for cpu"); |
| 655 | LTTV_STATE_EXIT = g_quark_from_string("exiting"); |
| 656 | LTTV_STATE_WAIT = g_quark_from_string("wait for I/O"); |
| 657 | LTTV_STATE_RUN = g_quark_from_string("running"); |
| 658 | LTTV_STATE_HOOKS = g_quark_from_string("saved state hooks"); |
| 659 | } |
| 660 | |
| 661 | void lttv_state_destroy() |
| 662 | { |
| 663 | } |
| 664 | |
| 665 | |
| 666 | |
| 667 | |