| 1 | |
| 2 | #include <lttv/state.h> |
| 3 | #include <ltt/facility.h> |
| 4 | #include <ltt/trace.h> |
| 5 | |
| 6 | LttvExecutionMode |
| 7 | LTTV_STATE_MODE_UNKNOWN, |
| 8 | LTTV_STATE_USER_MODE, |
| 9 | LTTV_STATE_SYSCALL, |
| 10 | LTTV_STATE_TRAP, |
| 11 | LTTV_STATE_IRQ; |
| 12 | |
| 13 | LttvExecutionSubmode |
| 14 | LTTV_STATE_SUBMODE_UNKNOWN, |
| 15 | LTTV_STATE_SUBMODE_NONE; |
| 16 | |
| 17 | LttvProcessStatus |
| 18 | LTTV_STATE_UNNAMED, |
| 19 | LTTV_STATE_WAIT_FORK, |
| 20 | LTTV_STATE_WAIT_CPU, |
| 21 | LTTV_STATE_EXIT, |
| 22 | LTTV_STATE_WAIT, |
| 23 | LTTV_STATE_RUN; |
| 24 | |
| 25 | static GQuark |
| 26 | LTTV_STATE_HOOKS; |
| 27 | |
| 28 | |
| 29 | static void fill_name_tables(LttvTraceState *tcs); |
| 30 | |
| 31 | static void free_name_tables(LttvTraceState *tcs); |
| 32 | |
| 33 | static void remove_all_processes(GHashTable *processes); |
| 34 | |
| 35 | LttvProcessState *create_process(LttvTracefileState *tfs, |
| 36 | LttvProcessState *parent, guint pid); |
| 37 | |
| 38 | static void |
| 39 | init(LttvTracesetState *self, LttvTraceset *ts) |
| 40 | { |
| 41 | guint i, j, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
| 42 | |
| 43 | LttvTraceContext *tc; |
| 44 | |
| 45 | LttvTraceState *tcs; |
| 46 | |
| 47 | LttvTracefileState *tfcs; |
| 48 | |
| 49 | LttTime timestamp = {0,0}; |
| 50 | |
| 51 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
| 52 | init((LttvTracesetContext *)self, ts); |
| 53 | |
| 54 | nb_trace = lttv_traceset_number(ts); |
| 55 | for(i = 0 ; i < nb_trace ; i++) { |
| 56 | tc = self->parent.traces[i]; |
| 57 | tcs = (LttvTraceState *)tc; |
| 58 | tcs->processes = g_hash_table_new(g_direct_hash, g_direct_equal); |
| 59 | fill_name_tables(tcs); |
| 60 | |
| 61 | nb_control = ltt_trace_control_tracefile_number(tc->t); |
| 62 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(tc->t); |
| 63 | nb_tracefile = nb_control + nb_per_cpu; |
| 64 | for(j = 0 ; j < nb_tracefile ; j++) { |
| 65 | if(j < nb_control) { |
| 66 | tfcs = LTTV_TRACEFILE_STATE(tc->control_tracefiles[j]); |
| 67 | } |
| 68 | else { |
| 69 | tfcs = LTTV_TRACEFILE_STATE(tc->per_cpu_tracefiles[j - nb_control]); |
| 70 | } |
| 71 | |
| 72 | tfcs->parent.timestamp = timestamp; |
| 73 | tfcs->process = create_process(tfcs, NULL,0); |
| 74 | tfcs->cpu_name= g_quark_from_string(ltt_tracefile_name(tfcs->parent.tf)); |
| 75 | } |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | |
| 80 | static void |
| 81 | fini(LttvTracesetState *self) |
| 82 | { |
| 83 | guint i, j, nb_trace, nb_tracefile; |
| 84 | |
| 85 | LttvTraceState *tcs; |
| 86 | |
| 87 | LttvTracefileState *tfcs; |
| 88 | |
| 89 | nb_trace = lttv_traceset_number(LTTV_TRACESET_CONTEXT(self)->ts); |
| 90 | for(i = 0 ; i < nb_trace ; i++) { |
| 91 | tcs = (LttvTraceState *)(LTTV_TRACESET_CONTEXT(self)->traces[i]); |
| 92 | remove_all_processes(tcs->processes); |
| 93 | g_hash_table_destroy(tcs->processes); |
| 94 | free_name_tables(tcs); |
| 95 | } |
| 96 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
| 97 | fini((LttvTracesetContext *)self); |
| 98 | } |
| 99 | |
| 100 | |
| 101 | static LttvTracesetContext * |
| 102 | new_traceset_context(LttvTracesetContext *self) |
| 103 | { |
| 104 | return LTTV_TRACESET_CONTEXT(g_object_new(LTTV_TRACESET_STATE_TYPE, NULL)); |
| 105 | } |
| 106 | |
| 107 | |
| 108 | static LttvTraceContext * |
| 109 | new_trace_context(LttvTracesetContext *self) |
| 110 | { |
| 111 | return LTTV_TRACE_CONTEXT(g_object_new(LTTV_TRACE_STATE_TYPE, NULL)); |
| 112 | } |
| 113 | |
| 114 | |
| 115 | static LttvTracefileContext * |
| 116 | new_tracefile_context(LttvTracesetContext *self) |
| 117 | { |
| 118 | return LTTV_TRACEFILE_CONTEXT(g_object_new(LTTV_TRACEFILE_STATE_TYPE, NULL)); |
| 119 | } |
| 120 | |
| 121 | |
| 122 | static void |
| 123 | traceset_state_instance_init (GTypeInstance *instance, gpointer g_class) |
| 124 | { |
| 125 | } |
| 126 | |
| 127 | |
| 128 | static void |
| 129 | traceset_state_finalize (LttvTracesetState *self) |
| 130 | { |
| 131 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
| 132 | finalize(G_OBJECT(self)); |
| 133 | } |
| 134 | |
| 135 | |
| 136 | static void |
| 137 | traceset_state_class_init (LttvTracesetContextClass *klass) |
| 138 | { |
| 139 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
| 140 | |
| 141 | gobject_class->finalize = (void (*)(GObject *self)) traceset_state_finalize; |
| 142 | klass->init = (void (*)(LttvTracesetContext *self, LttvTraceset *ts))init; |
| 143 | klass->fini = (void (*)(LttvTracesetContext *self))fini; |
| 144 | klass->new_traceset_context = new_traceset_context; |
| 145 | klass->new_trace_context = new_trace_context; |
| 146 | klass->new_tracefile_context = new_tracefile_context; |
| 147 | } |
| 148 | |
| 149 | |
| 150 | GType |
| 151 | lttv_traceset_state_get_type(void) |
| 152 | { |
| 153 | static GType type = 0; |
| 154 | if (type == 0) { |
| 155 | static const GTypeInfo info = { |
| 156 | sizeof (LttvTracesetStateClass), |
| 157 | NULL, /* base_init */ |
| 158 | NULL, /* base_finalize */ |
| 159 | (GClassInitFunc) traceset_state_class_init, /* class_init */ |
| 160 | NULL, /* class_finalize */ |
| 161 | NULL, /* class_data */ |
| 162 | sizeof (LttvTracesetContext), |
| 163 | 0, /* n_preallocs */ |
| 164 | (GInstanceInitFunc) traceset_state_instance_init /* instance_init */ |
| 165 | }; |
| 166 | |
| 167 | type = g_type_register_static (LTTV_TRACESET_CONTEXT_TYPE, "LttvTracesetStateType", |
| 168 | &info, 0); |
| 169 | } |
| 170 | return type; |
| 171 | } |
| 172 | |
| 173 | |
| 174 | static void |
| 175 | trace_state_instance_init (GTypeInstance *instance, gpointer g_class) |
| 176 | { |
| 177 | } |
| 178 | |
| 179 | |
| 180 | static void |
| 181 | trace_state_finalize (LttvTraceState *self) |
| 182 | { |
| 183 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACE_CONTEXT_TYPE))-> |
| 184 | finalize(G_OBJECT(self)); |
| 185 | } |
| 186 | |
| 187 | |
| 188 | static void |
| 189 | trace_state_class_init (LttvTraceContextClass *klass) |
| 190 | { |
| 191 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
| 192 | |
| 193 | gobject_class->finalize = (void (*)(GObject *self)) trace_state_finalize; |
| 194 | } |
| 195 | |
| 196 | |
| 197 | GType |
| 198 | lttv_trace_state_get_type(void) |
| 199 | { |
| 200 | static GType type = 0; |
| 201 | if (type == 0) { |
| 202 | static const GTypeInfo info = { |
| 203 | sizeof (LttvTraceStateClass), |
| 204 | NULL, /* base_init */ |
| 205 | NULL, /* base_finalize */ |
| 206 | (GClassInitFunc) trace_state_class_init, /* class_init */ |
| 207 | NULL, /* class_finalize */ |
| 208 | NULL, /* class_data */ |
| 209 | sizeof (LttvTraceState), |
| 210 | 0, /* n_preallocs */ |
| 211 | (GInstanceInitFunc) trace_state_instance_init /* instance_init */ |
| 212 | }; |
| 213 | |
| 214 | type = g_type_register_static (LTTV_TRACE_CONTEXT_TYPE, |
| 215 | "LttvTraceStateType", &info, 0); |
| 216 | } |
| 217 | return type; |
| 218 | } |
| 219 | |
| 220 | |
| 221 | static void |
| 222 | tracefile_state_instance_init (GTypeInstance *instance, gpointer g_class) |
| 223 | { |
| 224 | } |
| 225 | |
| 226 | |
| 227 | static void |
| 228 | tracefile_state_finalize (LttvTracefileState *self) |
| 229 | { |
| 230 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACEFILE_CONTEXT_TYPE))-> |
| 231 | finalize(G_OBJECT(self)); |
| 232 | } |
| 233 | |
| 234 | |
| 235 | static void |
| 236 | tracefile_state_class_init (LttvTracefileStateClass *klass) |
| 237 | { |
| 238 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
| 239 | |
| 240 | gobject_class->finalize = (void (*)(GObject *self)) tracefile_state_finalize; |
| 241 | } |
| 242 | |
| 243 | |
| 244 | GType |
| 245 | lttv_tracefile_state_get_type(void) |
| 246 | { |
| 247 | static GType type = 0; |
| 248 | if (type == 0) { |
| 249 | static const GTypeInfo info = { |
| 250 | sizeof (LttvTracefileStateClass), |
| 251 | NULL, /* base_init */ |
| 252 | NULL, /* base_finalize */ |
| 253 | (GClassInitFunc) tracefile_state_class_init, /* class_init */ |
| 254 | NULL, /* class_finalize */ |
| 255 | NULL, /* class_data */ |
| 256 | sizeof (LttvTracefileState), |
| 257 | 0, /* n_preallocs */ |
| 258 | (GInstanceInitFunc) tracefile_state_instance_init /* instance_init */ |
| 259 | }; |
| 260 | |
| 261 | type = g_type_register_static (LTTV_TRACEFILE_CONTEXT_TYPE, |
| 262 | "LttvTracefileStateType", &info, 0); |
| 263 | } |
| 264 | return type; |
| 265 | } |
| 266 | |
| 267 | |
| 268 | static void |
| 269 | fill_name_tables(LttvTraceState *tcs) |
| 270 | { |
| 271 | int i, nb; |
| 272 | |
| 273 | char *f_name, *e_name; |
| 274 | |
| 275 | LttvTraceHook h; |
| 276 | |
| 277 | LttEventType *et; |
| 278 | |
| 279 | LttType *t; |
| 280 | |
| 281 | GString *fe_name = g_string_new(""); |
| 282 | |
| 283 | nb = ltt_trace_eventtype_number(tcs->parent.t); |
| 284 | tcs->eventtype_names = g_new(GQuark, nb); |
| 285 | for(i = 0 ; i < nb ; i++) { |
| 286 | et = ltt_trace_eventtype_get(tcs->parent.t, i); |
| 287 | e_name = ltt_eventtype_name(et); |
| 288 | f_name = ltt_facility_name(ltt_eventtype_facility(et)); |
| 289 | g_string_printf(fe_name, "%s.%s", f_name, e_name); |
| 290 | tcs->eventtype_names[i] = g_quark_from_string(fe_name->str); |
| 291 | } |
| 292 | |
| 293 | lttv_trace_find_hook(tcs->parent.t, "core", "syscall_entry", |
| 294 | "syscall_id", NULL, NULL, NULL, &h); |
| 295 | t = ltt_field_type(h.f1); |
| 296 | nb = ltt_type_element_number(t); |
| 297 | |
| 298 | /* CHECK syscalls should be an emun but currently are not! |
| 299 | tcs->syscall_names = g_new(GQuark, nb); |
| 300 | |
| 301 | for(i = 0 ; i < nb ; i++) { |
| 302 | tcs->syscall_names[i] = g_quark_from_string(ltt_enum_string_get(t, i)); |
| 303 | } |
| 304 | */ |
| 305 | |
| 306 | tcs->syscall_names = g_new(GQuark, 256); |
| 307 | for(i = 0 ; i < 256 ; i++) { |
| 308 | g_string_printf(fe_name, "syscall %d", i); |
| 309 | tcs->syscall_names[i] = g_quark_from_string(fe_name->str); |
| 310 | } |
| 311 | |
| 312 | lttv_trace_find_hook(tcs->parent.t, "core", "trap_entry", |
| 313 | "trap_id", NULL, NULL, NULL, &h); |
| 314 | t = ltt_field_type(h.f1); |
| 315 | nb = ltt_type_element_number(t); |
| 316 | |
| 317 | /* |
| 318 | tcs->trap_names = g_new(GQuark, nb); |
| 319 | for(i = 0 ; i < nb ; i++) { |
| 320 | tcs->trap_names[i] = g_quark_from_string(ltt_enum_string_get(t, i)); |
| 321 | } |
| 322 | */ |
| 323 | |
| 324 | tcs->trap_names = g_new(GQuark, 256); |
| 325 | for(i = 0 ; i < 256 ; i++) { |
| 326 | g_string_printf(fe_name, "trap %d", i); |
| 327 | tcs->trap_names[i] = g_quark_from_string(fe_name->str); |
| 328 | } |
| 329 | |
| 330 | lttv_trace_find_hook(tcs->parent.t, "core", "irq_entry", |
| 331 | "irq_id", NULL, NULL, NULL, &h); |
| 332 | t = ltt_field_type(h.f1); |
| 333 | nb = ltt_type_element_number(t); |
| 334 | |
| 335 | /* |
| 336 | tcs->irq_names = g_new(GQuark, nb); |
| 337 | for(i = 0 ; i < nb ; i++) { |
| 338 | tcs->irq_names[i] = g_quark_from_string(ltt_enum_string_get(t, i)); |
| 339 | } |
| 340 | */ |
| 341 | |
| 342 | tcs->irq_names = g_new(GQuark, 256); |
| 343 | for(i = 0 ; i < 256 ; i++) { |
| 344 | g_string_printf(fe_name, "irq %d", i); |
| 345 | tcs->irq_names[i] = g_quark_from_string(fe_name->str); |
| 346 | } |
| 347 | |
| 348 | g_string_free(fe_name, TRUE); |
| 349 | } |
| 350 | |
| 351 | |
| 352 | static void |
| 353 | free_name_tables(LttvTraceState *tcs) |
| 354 | { |
| 355 | g_free(tcs->eventtype_names); |
| 356 | g_free(tcs->syscall_names); |
| 357 | g_free(tcs->trap_names); |
| 358 | g_free(tcs->irq_names); |
| 359 | } |
| 360 | |
| 361 | |
| 362 | static void push_state(LttvTracefileState *tfs, LttvExecutionMode t, |
| 363 | guint state_id) |
| 364 | { |
| 365 | LttvExecutionState *es; |
| 366 | |
| 367 | LttvProcessState *process = tfs->process; |
| 368 | |
| 369 | guint depth = process->execution_stack->len; |
| 370 | |
| 371 | g_array_set_size(process->execution_stack, depth + 1); |
| 372 | es = &g_array_index(process->execution_stack, LttvExecutionState, depth); |
| 373 | es->t = t; |
| 374 | es->n = state_id; |
| 375 | es->entry = es->change = tfs->parent.timestamp; |
| 376 | es->s = process->state->s; |
| 377 | process->state = es; |
| 378 | } |
| 379 | |
| 380 | |
| 381 | static void pop_state(LttvTracefileState *tfs, LttvExecutionMode t) |
| 382 | { |
| 383 | LttvProcessState *process = tfs->process; |
| 384 | |
| 385 | guint depth = process->execution_stack->len - 1; |
| 386 | |
| 387 | if(process->state->t != t){ |
| 388 | g_warning("Different execution mode type (%d.%09d): ignore it\n", |
| 389 | tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec); |
| 390 | g_warning("process state has %s when pop_int is %s\n", |
| 391 | g_quark_to_string(process->state->t), |
| 392 | g_quark_to_string(t)); |
| 393 | g_warning("{ %u, %u, %s, %s }\n", |
| 394 | process->pid, |
| 395 | process->ppid, |
| 396 | g_quark_to_string(process->name), |
| 397 | g_quark_to_string(process->state->s)); |
| 398 | return; |
| 399 | } |
| 400 | |
| 401 | if(depth == 0){ |
| 402 | g_warning("Trying to pop last state on stack (%d.%09d): ignore it\n", |
| 403 | tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec); |
| 404 | return; |
| 405 | } |
| 406 | |
| 407 | g_array_remove_index(process->execution_stack, depth); |
| 408 | depth--; |
| 409 | process->state = &g_array_index(process->execution_stack, LttvExecutionState, |
| 410 | depth); |
| 411 | process->state->change = tfs->parent.timestamp; |
| 412 | } |
| 413 | |
| 414 | |
| 415 | LttvProcessState *create_process(LttvTracefileState *tfs, |
| 416 | LttvProcessState *parent, guint pid) |
| 417 | { |
| 418 | LttvProcessState *process = g_new(LttvProcessState, 1); |
| 419 | |
| 420 | LttvExecutionState *es; |
| 421 | |
| 422 | LttvTraceContext *tc; |
| 423 | |
| 424 | LttvTraceState *tcs; |
| 425 | |
| 426 | char buffer[128]; |
| 427 | |
| 428 | tcs = (LttvTraceState *)tc = tfs->parent.t_context; |
| 429 | |
| 430 | g_hash_table_insert(tcs->processes, GUINT_TO_POINTER(pid), process); |
| 431 | process->pid = pid; |
| 432 | |
| 433 | if(parent) { |
| 434 | process->ppid = parent->pid; |
| 435 | process->name = parent->name; |
| 436 | } |
| 437 | else { |
| 438 | process->ppid = 0; |
| 439 | process->name = LTTV_STATE_UNNAMED; |
| 440 | } |
| 441 | |
| 442 | process->creation_time = tfs->parent.timestamp; |
| 443 | sprintf(buffer,"%d-%lu.%lu",pid, process->creation_time.tv_sec, |
| 444 | process->creation_time.tv_nsec); |
| 445 | process->pid_time = g_quark_from_string(buffer); |
| 446 | process->execution_stack = g_array_new(FALSE, FALSE, |
| 447 | sizeof(LttvExecutionState)); |
| 448 | g_array_set_size(process->execution_stack, 1); |
| 449 | es = process->state = &g_array_index(process->execution_stack, |
| 450 | LttvExecutionState, 0); |
| 451 | es->t = LTTV_STATE_USER_MODE; |
| 452 | es->n = LTTV_STATE_SUBMODE_NONE; |
| 453 | es->entry = tfs->parent.timestamp; |
| 454 | es->change = tfs->parent.timestamp; |
| 455 | es->s = LTTV_STATE_WAIT_FORK; |
| 456 | |
| 457 | return process; |
| 458 | } |
| 459 | |
| 460 | |
| 461 | LttvProcessState *lttv_state_find_process(LttvTracefileState *tfs, guint pid) |
| 462 | { |
| 463 | LttvTraceState *ts =(LttvTraceState *)LTTV_TRACEFILE_CONTEXT(tfs)->t_context; |
| 464 | LttvProcessState *process = g_hash_table_lookup(ts->processes, |
| 465 | GUINT_TO_POINTER(pid)); |
| 466 | if(process == NULL) process = create_process(tfs, NULL, pid); |
| 467 | return process; |
| 468 | } |
| 469 | |
| 470 | |
| 471 | static void exit_process(LttvTracefileState *tfs, LttvProcessState *process) |
| 472 | { |
| 473 | LttvTraceState *ts = LTTV_TRACE_STATE(tfs->parent.t_context); |
| 474 | |
| 475 | g_hash_table_remove(ts->processes, GUINT_TO_POINTER(process->pid)); |
| 476 | g_array_free(process->execution_stack, TRUE); |
| 477 | g_free(process); |
| 478 | } |
| 479 | |
| 480 | |
| 481 | static void free_process_state(gpointer key, gpointer value,gpointer user_data) |
| 482 | { |
| 483 | g_array_free(((LttvProcessState *)value)->execution_stack, TRUE); |
| 484 | g_free(value); |
| 485 | } |
| 486 | |
| 487 | |
| 488 | static void remove_all_processes(GHashTable *processes) |
| 489 | { |
| 490 | g_hash_table_foreach(processes, free_process_state, NULL); |
| 491 | } |
| 492 | |
| 493 | |
| 494 | static gboolean syscall_entry(void *hook_data, void *call_data) |
| 495 | { |
| 496 | LttField *f = ((LttvTraceHook *)hook_data)->f1; |
| 497 | |
| 498 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
| 499 | |
| 500 | LttvExecutionSubmode submode; |
| 501 | |
| 502 | submode = ((LttvTraceState *)(s->parent.t_context))->syscall_names[ |
| 503 | ltt_event_get_unsigned(s->parent.e, f)]; |
| 504 | push_state(s, LTTV_STATE_SYSCALL, submode); |
| 505 | return FALSE; |
| 506 | } |
| 507 | |
| 508 | |
| 509 | static gboolean syscall_exit(void *hook_data, void *call_data) |
| 510 | { |
| 511 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
| 512 | |
| 513 | pop_state(s, LTTV_STATE_SYSCALL); |
| 514 | return FALSE; |
| 515 | } |
| 516 | |
| 517 | |
| 518 | static gboolean trap_entry(void *hook_data, void *call_data) |
| 519 | { |
| 520 | LttField *f = ((LttvTraceHook *)hook_data)->f1; |
| 521 | |
| 522 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
| 523 | |
| 524 | LttvExecutionSubmode submode; |
| 525 | |
| 526 | submode = ((LttvTraceState *)(s->parent.t_context))->trap_names[ |
| 527 | ltt_event_get_unsigned(s->parent.e, f)]; |
| 528 | push_state(s, LTTV_STATE_TRAP, submode); |
| 529 | return FALSE; |
| 530 | } |
| 531 | |
| 532 | |
| 533 | static gboolean trap_exit(void *hook_data, void *call_data) |
| 534 | { |
| 535 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
| 536 | |
| 537 | pop_state(s, LTTV_STATE_TRAP); |
| 538 | return FALSE; |
| 539 | } |
| 540 | |
| 541 | |
| 542 | static gboolean irq_entry(void *hook_data, void *call_data) |
| 543 | { |
| 544 | LttField *f = ((LttvTraceHook *)hook_data)->f1; |
| 545 | |
| 546 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
| 547 | |
| 548 | LttvExecutionSubmode submode; |
| 549 | |
| 550 | submode = ((LttvTraceState *)(s->parent.t_context))->irq_names[ |
| 551 | ltt_event_get_unsigned(s->parent.e, f)]; |
| 552 | |
| 553 | /* Do something with the info about being in user or system mode when int? */ |
| 554 | push_state(s, LTTV_STATE_IRQ, submode); |
| 555 | return FALSE; |
| 556 | } |
| 557 | |
| 558 | |
| 559 | static gboolean irq_exit(void *hook_data, void *call_data) |
| 560 | { |
| 561 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
| 562 | |
| 563 | pop_state(s, LTTV_STATE_IRQ); |
| 564 | return FALSE; |
| 565 | } |
| 566 | |
| 567 | |
| 568 | static gboolean schedchange(void *hook_data, void *call_data) |
| 569 | { |
| 570 | LttvTraceHook *h = (LttvTraceHook *)hook_data; |
| 571 | |
| 572 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
| 573 | |
| 574 | guint pid_in, pid_out, state_out; |
| 575 | |
| 576 | pid_in = ltt_event_get_unsigned(s->parent.e, h->f1); |
| 577 | pid_out = ltt_event_get_unsigned(s->parent.e, h->f2); |
| 578 | state_out = ltt_event_get_unsigned(s->parent.e, h->f3); |
| 579 | |
| 580 | if(s->process != NULL) { |
| 581 | |
| 582 | if(state_out == 0) s->process->state->s = LTTV_STATE_WAIT_CPU; |
| 583 | else if(s->process->state->s == LTTV_STATE_EXIT) |
| 584 | exit_process(s, s->process); |
| 585 | else s->process->state->s = LTTV_STATE_WAIT; |
| 586 | |
| 587 | if(s->process->pid == 0) |
| 588 | s->process->pid == pid_out; |
| 589 | |
| 590 | s->process->state->change = s->parent.timestamp; |
| 591 | } |
| 592 | s->process = lttv_state_find_process(s, pid_in); |
| 593 | s->process->state->s = LTTV_STATE_RUN; |
| 594 | s->process->state->change = s->parent.timestamp; |
| 595 | return FALSE; |
| 596 | } |
| 597 | |
| 598 | |
| 599 | static gboolean process_fork(void *hook_data, void *call_data) |
| 600 | { |
| 601 | LttField *f = ((LttvTraceHook *)hook_data)->f1; |
| 602 | |
| 603 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
| 604 | |
| 605 | guint child_pid; |
| 606 | |
| 607 | child_pid = ltt_event_get_unsigned(s->parent.e, f); |
| 608 | create_process(s, s->process, child_pid); |
| 609 | return FALSE; |
| 610 | } |
| 611 | |
| 612 | |
| 613 | static gboolean process_exit(void *hook_data, void *call_data) |
| 614 | { |
| 615 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
| 616 | |
| 617 | if(s->process != NULL) { |
| 618 | s->process->state->s = LTTV_STATE_EXIT; |
| 619 | } |
| 620 | return FALSE; |
| 621 | } |
| 622 | |
| 623 | |
| 624 | lttv_state_add_event_hooks(LttvTracesetState *self) |
| 625 | { |
| 626 | LttvTraceset *traceset = self->parent.ts; |
| 627 | |
| 628 | guint i, j, k, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
| 629 | |
| 630 | LttFacility *f; |
| 631 | |
| 632 | LttEventType *et; |
| 633 | |
| 634 | LttvTraceState *ts; |
| 635 | |
| 636 | LttvTracefileState *tfs; |
| 637 | |
| 638 | void *hook_data; |
| 639 | |
| 640 | GArray *hooks; |
| 641 | |
| 642 | LttvTraceHook hook; |
| 643 | |
| 644 | LttvAttributeValue val; |
| 645 | |
| 646 | nb_trace = lttv_traceset_number(traceset); |
| 647 | for(i = 0 ; i < nb_trace ; i++) { |
| 648 | ts = (LttvTraceState *)self->parent.traces[i]; |
| 649 | |
| 650 | /* Find the eventtype id for the following events and register the |
| 651 | associated by id hooks. */ |
| 652 | |
| 653 | hooks = g_array_new(FALSE, FALSE, sizeof(LttvTraceHook)); |
| 654 | g_array_set_size(hooks, 9); |
| 655 | |
| 656 | lttv_trace_find_hook(ts->parent.t, "core","syscall_entry","syscall_id", |
| 657 | NULL, NULL, syscall_entry, &g_array_index(hooks, LttvTraceHook, 0)); |
| 658 | |
| 659 | lttv_trace_find_hook(ts->parent.t, "core", "syscall_exit", NULL, NULL, |
| 660 | NULL, syscall_exit, &g_array_index(hooks, LttvTraceHook, 1)); |
| 661 | |
| 662 | lttv_trace_find_hook(ts->parent.t, "core", "trap_entry", "trap_id", |
| 663 | NULL, NULL, trap_entry, &g_array_index(hooks, LttvTraceHook, 2)); |
| 664 | |
| 665 | lttv_trace_find_hook(ts->parent.t, "core", "trap_exit", NULL, NULL, NULL, |
| 666 | trap_exit, &g_array_index(hooks, LttvTraceHook, 3)); |
| 667 | |
| 668 | lttv_trace_find_hook(ts->parent.t, "core", "irq_entry", "irq_id", NULL, |
| 669 | NULL, irq_entry, &g_array_index(hooks, LttvTraceHook, 4)); |
| 670 | |
| 671 | lttv_trace_find_hook(ts->parent.t, "core", "irq_exit", NULL, NULL, NULL, |
| 672 | irq_exit, &g_array_index(hooks, LttvTraceHook, 5)); |
| 673 | |
| 674 | lttv_trace_find_hook(ts->parent.t, "core", "schedchange", "in", "out", |
| 675 | "out_state", schedchange, &g_array_index(hooks, LttvTraceHook, 6)); |
| 676 | |
| 677 | lttv_trace_find_hook(ts->parent.t, "core", "process_fork", "child_pid", |
| 678 | NULL, NULL, process_fork, &g_array_index(hooks, LttvTraceHook, 7)); |
| 679 | |
| 680 | lttv_trace_find_hook(ts->parent.t, "core", "process_exit", NULL, NULL, |
| 681 | NULL, process_exit, &g_array_index(hooks, LttvTraceHook, 8)); |
| 682 | |
| 683 | /* Add these hooks to each before_event_by_id hooks list */ |
| 684 | |
| 685 | nb_control = ltt_trace_control_tracefile_number(ts->parent.t); |
| 686 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(ts->parent.t); |
| 687 | nb_tracefile = nb_control + nb_per_cpu; |
| 688 | for(j = 0 ; j < nb_tracefile ; j++) { |
| 689 | if(j < nb_control) { |
| 690 | tfs = LTTV_TRACEFILE_STATE(ts->parent.control_tracefiles[j]); |
| 691 | } |
| 692 | else { |
| 693 | tfs = LTTV_TRACEFILE_STATE(ts->parent.per_cpu_tracefiles[j-nb_control]); |
| 694 | } |
| 695 | |
| 696 | for(k = 0 ; k < hooks->len ; k++) { |
| 697 | hook = g_array_index(hooks, LttvTraceHook, k); |
| 698 | lttv_hooks_add(lttv_hooks_by_id_find(tfs->parent.after_event_by_id, |
| 699 | hook.id), hook.h, &g_array_index(hooks, LttvTraceHook, k)); |
| 700 | } |
| 701 | } |
| 702 | lttv_attribute_find(self->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val); |
| 703 | *(val.v_pointer) = hooks; |
| 704 | } |
| 705 | } |
| 706 | |
| 707 | |
| 708 | lttv_state_remove_event_hooks(LttvTracesetState *self) |
| 709 | { |
| 710 | LttvTraceset *traceset = self->parent.ts; |
| 711 | |
| 712 | guint i, j, k, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
| 713 | |
| 714 | LttvTraceState *ts; |
| 715 | |
| 716 | LttvTracefileState *tfs; |
| 717 | |
| 718 | void *hook_data; |
| 719 | |
| 720 | GArray *hooks; |
| 721 | |
| 722 | LttvTraceHook hook; |
| 723 | |
| 724 | LttvAttributeValue val; |
| 725 | |
| 726 | nb_trace = lttv_traceset_number(traceset); |
| 727 | for(i = 0 ; i < nb_trace ; i++) { |
| 728 | ts = LTTV_TRACE_STATE(self->parent.traces[i]); |
| 729 | lttv_attribute_find(self->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val); |
| 730 | hooks = *(val.v_pointer); |
| 731 | |
| 732 | /* Add these hooks to each before_event_by_id hooks list */ |
| 733 | |
| 734 | nb_control = ltt_trace_control_tracefile_number(ts->parent.t); |
| 735 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(ts->parent.t); |
| 736 | nb_tracefile = nb_control + nb_per_cpu; |
| 737 | for(j = 0 ; j < nb_tracefile ; j++) { |
| 738 | if(j < nb_control) { |
| 739 | tfs = LTTV_TRACEFILE_STATE(ts->parent.control_tracefiles[j]); |
| 740 | } |
| 741 | else { |
| 742 | tfs = LTTV_TRACEFILE_STATE(ts->parent.per_cpu_tracefiles[j-nb_control]); |
| 743 | } |
| 744 | |
| 745 | for(k = 0 ; k < hooks->len ; k++) { |
| 746 | hook = g_array_index(hooks, LttvTraceHook, k); |
| 747 | lttv_hooks_remove_data( |
| 748 | lttv_hooks_by_id_find(tfs->parent.after_event_by_id, |
| 749 | hook.id), hook.h, &g_array_index(hooks, LttvTraceHook, k)); |
| 750 | } |
| 751 | } |
| 752 | g_array_free(hooks, TRUE); |
| 753 | } |
| 754 | } |
| 755 | |
| 756 | |
| 757 | void lttv_state_init(int argc, char **argv) |
| 758 | { |
| 759 | LTTV_STATE_UNNAMED = g_quark_from_string("unnamed"); |
| 760 | LTTV_STATE_MODE_UNKNOWN = g_quark_from_string("unknown execution mode"); |
| 761 | LTTV_STATE_USER_MODE = g_quark_from_string("user mode"); |
| 762 | LTTV_STATE_WAIT_FORK = g_quark_from_string("wait fork"); |
| 763 | LTTV_STATE_SYSCALL = g_quark_from_string("system call"); |
| 764 | LTTV_STATE_TRAP = g_quark_from_string("trap"); |
| 765 | LTTV_STATE_IRQ = g_quark_from_string("irq"); |
| 766 | LTTV_STATE_SUBMODE_UNKNOWN = g_quark_from_string("unknown submode"); |
| 767 | LTTV_STATE_SUBMODE_NONE = g_quark_from_string("(no submode)"); |
| 768 | LTTV_STATE_WAIT_CPU = g_quark_from_string("wait for cpu"); |
| 769 | LTTV_STATE_EXIT = g_quark_from_string("exiting"); |
| 770 | LTTV_STATE_WAIT = g_quark_from_string("wait for I/O"); |
| 771 | LTTV_STATE_RUN = g_quark_from_string("running"); |
| 772 | LTTV_STATE_HOOKS = g_quark_from_string("saved state hooks"); |
| 773 | } |
| 774 | |
| 775 | void lttv_state_destroy() |
| 776 | { |
| 777 | } |
| 778 | |
| 779 | |
| 780 | |
| 781 | |