| 1 | /* This file is part of the Linux Trace Toolkit viewer |
| 2 | * Copyright (C) 2003-2004 Michel Dagenais |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License Version 2 as |
| 6 | * published by the Free Software Foundation; |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program; if not, write to the Free Software |
| 15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
| 16 | * MA 02111-1307, USA. |
| 17 | */ |
| 18 | |
| 19 | #ifdef HAVE_CONFIG_H |
| 20 | #include <config.h> |
| 21 | #endif |
| 22 | |
| 23 | #include <stdio.h> |
| 24 | #include <inttypes.h> |
| 25 | #include <lttv/module.h> |
| 26 | #include <lttv/stats.h> |
| 27 | #include <lttv/lttv.h> |
| 28 | #include <lttv/attribute.h> |
| 29 | #include <ltt/trace.h> |
| 30 | #include <ltt/event.h> |
| 31 | |
| 32 | #define BUF_SIZE 256 |
| 33 | #define MAX_64_HEX_STRING_LEN 19 |
| 34 | |
| 35 | GQuark |
| 36 | LTTV_STATS_PROCESS_UNKNOWN, |
| 37 | LTTV_STATS_PROCESSES, |
| 38 | LTTV_STATS_CPU, |
| 39 | LTTV_STATS_MODE_TYPES, |
| 40 | LTTV_STATS_MODES, |
| 41 | LTTV_STATS_SUBMODES, |
| 42 | LTTV_STATS_FUNCTIONS, |
| 43 | LTTV_STATS_EVENT_TYPES, |
| 44 | LTTV_STATS_CPU_TIME, |
| 45 | LTTV_STATS_CUMULATIVE_CPU_TIME, |
| 46 | LTTV_STATS_ELAPSED_TIME, |
| 47 | LTTV_STATS_EVENTS, |
| 48 | LTTV_STATS_EVENTS_COUNT, |
| 49 | LTTV_STATS_USE_COUNT, |
| 50 | LTTV_STATS, |
| 51 | LTTV_STATS_SUMMED, |
| 52 | LTTV_STATS_BEFORE_HOOKS, |
| 53 | LTTV_STATS_AFTER_HOOKS; |
| 54 | |
| 55 | static void find_event_tree(LttvCPUStats *cpu_stats, GQuark pid_time, |
| 56 | guint cpu, guint64 function, |
| 57 | GQuark mode, GQuark sub_mode, LttvAttribute **events_tree, |
| 58 | LttvAttribute **event_types_tree); |
| 59 | |
| 60 | |
| 61 | static void lttv_stats_init(LttvTracesetStats *self) |
| 62 | { |
| 63 | guint i, j, nb_trace, nb_cpu, nb_tracefile; |
| 64 | |
| 65 | LttvTraceContext *tc; |
| 66 | |
| 67 | LttvTraceStats *tcs; |
| 68 | |
| 69 | LttvTracefileContext **tfs; |
| 70 | LttvTracefileStats *tfcs; |
| 71 | LttvCPUStats *cpu_stats; |
| 72 | |
| 73 | LttvAttributeValue v; |
| 74 | |
| 75 | LttvTraceset *ts = self->parent.parent.ts; |
| 76 | |
| 77 | self->stats = lttv_attribute_find_subdir( |
| 78 | lttv_traceset_attribute(self->parent.parent.ts), LTTV_STATS); |
| 79 | lttv_attribute_find(lttv_traceset_attribute(self->parent.parent.ts), |
| 80 | LTTV_STATS_USE_COUNT, |
| 81 | LTTV_UINT, &v); |
| 82 | |
| 83 | (*(v.v_uint))++; |
| 84 | if(*(v.v_uint) == 1) { |
| 85 | g_assert(lttv_attribute_get_number(self->stats) == 0); |
| 86 | } |
| 87 | |
| 88 | nb_trace = lttv_traceset_number(ts); |
| 89 | |
| 90 | for(i = 0 ; i < nb_trace ; i++) { |
| 91 | tc = self->parent.parent.traces[i]; |
| 92 | tcs = LTTV_TRACE_STATS(tc); |
| 93 | |
| 94 | tcs->stats = lttv_attribute_find_subdir(tcs->parent.parent.t_a, |
| 95 | LTTV_STATS); |
| 96 | lttv_attribute_find(tcs->parent.parent.t_a, LTTV_STATS_USE_COUNT, |
| 97 | LTTV_UINT, &v); |
| 98 | |
| 99 | (*(v.v_uint))++; |
| 100 | if(*(v.v_uint) == 1) { |
| 101 | g_assert(lttv_attribute_get_number(tcs->stats) == 0); |
| 102 | } |
| 103 | |
| 104 | nb_cpu = ltt_trace_get_num_cpu(tc->t); |
| 105 | tcs->cpu_stats = g_new(LttvCPUStats, nb_cpu); |
| 106 | for(j = 0 ; j < nb_cpu; j++) { |
| 107 | cpu_stats = &tcs->cpu_stats[j]; |
| 108 | cpu_stats->cpu = j; |
| 109 | cpu_stats->tcs = tcs; |
| 110 | find_event_tree(cpu_stats, LTTV_STATS_PROCESS_UNKNOWN, |
| 111 | cpu_stats->cpu, |
| 112 | 0x0ULL, |
| 113 | LTTV_STATE_MODE_UNKNOWN, |
| 114 | LTTV_STATE_SUBMODE_UNKNOWN, &cpu_stats->current_events_tree, |
| 115 | &cpu_stats->current_event_types_tree); |
| 116 | } |
| 117 | nb_tracefile = tc->tracefiles->len; |
| 118 | for (j = 0; j < nb_tracefile; j++) { |
| 119 | tfs = &g_array_index(tc->tracefiles, LttvTracefileContext*, j); |
| 120 | tfcs = LTTV_TRACEFILE_STATS(*tfs); |
| 121 | tfcs->cpu_stats = &tcs->cpu_stats[tfcs->parent.cpu]; |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | } |
| 126 | |
| 127 | static void lttv_stats_fini(LttvTracesetStats *self) |
| 128 | { |
| 129 | guint i, j, nb_trace, nb_cpu, nb_tracefile; |
| 130 | |
| 131 | LttvTraceset *ts; |
| 132 | |
| 133 | LttvTraceContext *tc; |
| 134 | |
| 135 | LttvTraceStats *tcs; |
| 136 | |
| 137 | LttvTracefileContext *tfc; |
| 138 | |
| 139 | LttvTracefileStats *tfcs; |
| 140 | |
| 141 | LttvCPUStats *cpu_stats; |
| 142 | |
| 143 | LttvAttributeValue v; |
| 144 | |
| 145 | lttv_attribute_find(self->parent.parent.ts_a, LTTV_STATS_USE_COUNT, |
| 146 | LTTV_UINT, &v); |
| 147 | (*(v.v_uint))--; |
| 148 | |
| 149 | if(*(v.v_uint) == 0) { |
| 150 | lttv_attribute_remove_by_name(self->parent.parent.ts_a, LTTV_STATS); |
| 151 | } |
| 152 | self->stats = NULL; |
| 153 | |
| 154 | ts = self->parent.parent.ts; |
| 155 | nb_trace = lttv_traceset_number(ts); |
| 156 | |
| 157 | for(i = 0 ; i < nb_trace ; i++) { |
| 158 | tcs = (LttvTraceStats *)(tc = (LTTV_TRACESET_CONTEXT(self)->traces[i])); |
| 159 | |
| 160 | lttv_attribute_find(tcs->parent.parent.t_a, LTTV_STATS_USE_COUNT, |
| 161 | LTTV_UINT, &v); |
| 162 | (*(v.v_uint))--; |
| 163 | |
| 164 | if(*(v.v_uint) == 0) |
| 165 | lttv_attribute_remove_by_name(tcs->parent.parent.t_a, LTTV_STATS); |
| 166 | tcs->stats = NULL; |
| 167 | |
| 168 | nb_tracefile = tc->tracefiles->len; |
| 169 | for (j = 0; j < nb_tracefile; j++) { |
| 170 | tfc = g_array_index(tc->tracefiles, LttvTracefileContext*, j); |
| 171 | tfcs = LTTV_TRACEFILE_STATS(tfc); |
| 172 | tfcs->cpu_stats = NULL; |
| 173 | } |
| 174 | |
| 175 | nb_cpu = ltt_trace_get_num_cpu(tc->t); |
| 176 | |
| 177 | for(j = 0 ; j < nb_cpu; j++) { |
| 178 | cpu_stats = &tcs->cpu_stats[j]; |
| 179 | cpu_stats->current_events_tree = NULL; |
| 180 | cpu_stats->current_event_types_tree = NULL; |
| 181 | } |
| 182 | g_free(tcs->cpu_stats); |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | |
| 187 | void lttv_stats_reset(LttvTracesetStats *self) |
| 188 | { |
| 189 | lttv_stats_fini(self); |
| 190 | lttv_stats_init(self); |
| 191 | } |
| 192 | |
| 193 | |
| 194 | |
| 195 | static void init(LttvTracesetStats *self, LttvTraceset *ts) |
| 196 | { |
| 197 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_STATE_TYPE))-> |
| 198 | init((LttvTracesetContext *)self, ts); |
| 199 | |
| 200 | lttv_stats_init(self); |
| 201 | } |
| 202 | |
| 203 | |
| 204 | static void fini(LttvTracesetStats *self) |
| 205 | { |
| 206 | lttv_stats_fini(self); |
| 207 | |
| 208 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_STATE_TYPE))-> |
| 209 | fini((LttvTracesetContext *)self); |
| 210 | } |
| 211 | |
| 212 | |
| 213 | static LttvTracesetContext *new_traceset_context(LttvTracesetContext *self) |
| 214 | { |
| 215 | return LTTV_TRACESET_CONTEXT(g_object_new(LTTV_TRACESET_STATS_TYPE, NULL)); |
| 216 | } |
| 217 | |
| 218 | |
| 219 | static LttvTraceContext *new_trace_context(LttvTracesetContext *self) |
| 220 | { |
| 221 | return LTTV_TRACE_CONTEXT(g_object_new(LTTV_TRACE_STATS_TYPE, NULL)); |
| 222 | } |
| 223 | |
| 224 | |
| 225 | static LttvTracefileContext *new_tracefile_context(LttvTracesetContext *self) |
| 226 | { |
| 227 | return LTTV_TRACEFILE_CONTEXT(g_object_new(LTTV_TRACEFILE_STATS_TYPE, NULL)); |
| 228 | } |
| 229 | |
| 230 | |
| 231 | static void traceset_stats_instance_init (GTypeInstance *instance, |
| 232 | gpointer g_class) |
| 233 | { |
| 234 | } |
| 235 | |
| 236 | |
| 237 | static void traceset_stats_finalize (LttvTracesetStats *self) |
| 238 | { |
| 239 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACESET_STATE_TYPE))-> |
| 240 | finalize(G_OBJECT(self)); |
| 241 | } |
| 242 | |
| 243 | |
| 244 | static void traceset_stats_class_init (LttvTracesetContextClass *klass) |
| 245 | { |
| 246 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
| 247 | |
| 248 | gobject_class->finalize = (void (*)(GObject *self)) traceset_stats_finalize; |
| 249 | klass->init = (void (*)(LttvTracesetContext *self, LttvTraceset *ts))init; |
| 250 | klass->fini = (void (*)(LttvTracesetContext *self))fini; |
| 251 | klass->new_traceset_context = new_traceset_context; |
| 252 | klass->new_trace_context = new_trace_context; |
| 253 | klass->new_tracefile_context = new_tracefile_context; |
| 254 | } |
| 255 | |
| 256 | |
| 257 | GType lttv_traceset_stats_get_type(void) |
| 258 | { |
| 259 | static GType type = 0; |
| 260 | if (type == 0) { |
| 261 | static const GTypeInfo info = { |
| 262 | sizeof (LttvTracesetStatsClass), |
| 263 | NULL, /* base_init */ |
| 264 | NULL, /* base_finalize */ |
| 265 | (GClassInitFunc) traceset_stats_class_init, /* class_init */ |
| 266 | NULL, /* class_finalize */ |
| 267 | NULL, /* class_data */ |
| 268 | sizeof (LttvTracesetStats), |
| 269 | 0, /* n_preallocs */ |
| 270 | (GInstanceInitFunc) traceset_stats_instance_init, /* instance_init */ |
| 271 | NULL /* Value handling */ |
| 272 | }; |
| 273 | |
| 274 | type = g_type_register_static (LTTV_TRACESET_STATE_TYPE, |
| 275 | "LttvTracesetStatsType", &info, 0); |
| 276 | } |
| 277 | return type; |
| 278 | } |
| 279 | |
| 280 | |
| 281 | static void trace_stats_instance_init (GTypeInstance *instance, |
| 282 | gpointer g_class) |
| 283 | { |
| 284 | } |
| 285 | |
| 286 | |
| 287 | static void trace_stats_finalize (LttvTraceStats *self) |
| 288 | { |
| 289 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACE_STATE_TYPE))-> |
| 290 | finalize(G_OBJECT(self)); |
| 291 | } |
| 292 | |
| 293 | |
| 294 | static void trace_stats_class_init (LttvTraceContextClass *klass) |
| 295 | { |
| 296 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
| 297 | |
| 298 | gobject_class->finalize = (void (*)(GObject *self)) trace_stats_finalize; |
| 299 | } |
| 300 | |
| 301 | |
| 302 | GType lttv_trace_stats_get_type(void) |
| 303 | { |
| 304 | static GType type = 0; |
| 305 | if (type == 0) { |
| 306 | static const GTypeInfo info = { |
| 307 | sizeof (LttvTraceStatsClass), |
| 308 | NULL, /* base_init */ |
| 309 | NULL, /* base_finalize */ |
| 310 | (GClassInitFunc) trace_stats_class_init, /* class_init */ |
| 311 | NULL, /* class_finalize */ |
| 312 | NULL, /* class_data */ |
| 313 | sizeof (LttvTraceStats), |
| 314 | 0, /* n_preallocs */ |
| 315 | (GInstanceInitFunc) trace_stats_instance_init, /* instance_init */ |
| 316 | NULL /* Value handling */ |
| 317 | }; |
| 318 | |
| 319 | type = g_type_register_static (LTTV_TRACE_STATE_TYPE, |
| 320 | "LttvTraceStatsType", &info, 0); |
| 321 | } |
| 322 | return type; |
| 323 | } |
| 324 | |
| 325 | |
| 326 | static void tracefile_stats_instance_init (GTypeInstance *instance, |
| 327 | gpointer g_class) |
| 328 | { |
| 329 | } |
| 330 | |
| 331 | |
| 332 | static void tracefile_stats_finalize (LttvTracefileStats *self) |
| 333 | { |
| 334 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACEFILE_STATE_TYPE))-> |
| 335 | finalize(G_OBJECT(self)); |
| 336 | } |
| 337 | |
| 338 | |
| 339 | static void tracefile_stats_class_init (LttvTracefileStatsClass *klass) |
| 340 | { |
| 341 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
| 342 | |
| 343 | gobject_class->finalize = (void (*)(GObject *self)) tracefile_stats_finalize; |
| 344 | } |
| 345 | |
| 346 | |
| 347 | GType lttv_tracefile_stats_get_type(void) |
| 348 | { |
| 349 | static GType type = 0; |
| 350 | if (type == 0) { |
| 351 | static const GTypeInfo info = { |
| 352 | sizeof (LttvTracefileStatsClass), |
| 353 | NULL, /* base_init */ |
| 354 | NULL, /* base_finalize */ |
| 355 | (GClassInitFunc) tracefile_stats_class_init, /* class_init */ |
| 356 | NULL, /* class_finalize */ |
| 357 | NULL, /* class_data */ |
| 358 | sizeof (LttvTracefileStats), |
| 359 | 0, /* n_preallocs */ |
| 360 | (GInstanceInitFunc) tracefile_stats_instance_init, /* instance_init */ |
| 361 | NULL /* Value handling */ |
| 362 | }; |
| 363 | |
| 364 | type = g_type_register_static (LTTV_TRACEFILE_STATE_TYPE, |
| 365 | "LttvTracefileStatsType", &info, 0); |
| 366 | } |
| 367 | return type; |
| 368 | } |
| 369 | |
| 370 | static void find_event_tree(LttvCPUStats *cpu_stats, |
| 371 | GQuark pid_time, |
| 372 | guint cpu, |
| 373 | guint64 function, |
| 374 | GQuark mode, |
| 375 | GQuark sub_mode, |
| 376 | LttvAttribute **events_tree, |
| 377 | LttvAttribute **event_types_tree) |
| 378 | { |
| 379 | LttvAttribute *a; |
| 380 | gchar fstring[MAX_64_HEX_STRING_LEN]; |
| 381 | gint ret; |
| 382 | |
| 383 | ret = snprintf(fstring, MAX_64_HEX_STRING_LEN-1, |
| 384 | "0x%" PRIX64, function) > 0; |
| 385 | g_assert(ret > 0); |
| 386 | fstring[MAX_64_HEX_STRING_LEN-1] = '\0'; |
| 387 | |
| 388 | LttvTraceStats *tcs = cpu_stats->tcs; |
| 389 | a = lttv_attribute_find_subdir(tcs->stats, LTTV_STATS_PROCESSES); |
| 390 | a = lttv_attribute_find_subdir(a, pid_time); |
| 391 | a = lttv_attribute_find_subdir(a, LTTV_STATS_CPU); |
| 392 | a = lttv_attribute_find_subdir_unnamed(a, cpu); |
| 393 | a = lttv_attribute_find_subdir(a, LTTV_STATS_FUNCTIONS); |
| 394 | a = lttv_attribute_find_subdir(a, g_quark_from_string(fstring)); |
| 395 | a = lttv_attribute_find_subdir(a, LTTV_STATS_MODE_TYPES); |
| 396 | a = lttv_attribute_find_subdir(a, mode); |
| 397 | a = lttv_attribute_find_subdir(a, LTTV_STATS_SUBMODES); |
| 398 | a = lttv_attribute_find_subdir(a, sub_mode); |
| 399 | *events_tree = a; |
| 400 | a = lttv_attribute_find_subdir(a, LTTV_STATS_EVENT_TYPES); |
| 401 | *event_types_tree = a; |
| 402 | } |
| 403 | |
| 404 | static void update_event_tree(LttvCPUStats *cpu_stats) |
| 405 | { |
| 406 | LttvTraceStats *tcs = cpu_stats->tcs; |
| 407 | guint cpu = cpu_stats->cpu; |
| 408 | LttvTraceState *ts = &tcs->parent; |
| 409 | LttvProcessState *process = ts->running_process[cpu]; |
| 410 | LttvExecutionState *es = process->state; |
| 411 | |
| 412 | find_event_tree(cpu_stats, process->pid_time, |
| 413 | cpu, |
| 414 | process->current_function, |
| 415 | es->t, es->n, &(cpu_stats->current_events_tree), |
| 416 | &(cpu_stats->current_event_types_tree)); |
| 417 | } |
| 418 | |
| 419 | /* Update the trace event tree each cpu */ |
| 420 | static void update_trace_event_tree(LttvTraceStats *tcs) |
| 421 | { |
| 422 | LttvCPUStats *cpu_stats; |
| 423 | LttvTraceContext *tc = (LttvTraceContext*)tcs; |
| 424 | guint j, nb_cpu; |
| 425 | |
| 426 | /* For each cpu, update the event tree */ |
| 427 | nb_cpu = ltt_trace_get_num_cpu(tc->t); |
| 428 | for(j = 0; j < nb_cpu; j++) { |
| 429 | cpu_stats = &tcs->cpu_stats[j]; |
| 430 | update_event_tree(cpu_stats); |
| 431 | } |
| 432 | } |
| 433 | |
| 434 | static void mode_change(LttvTracefileStats *tfcs) |
| 435 | { |
| 436 | LttvTraceState *ts = (LttvTraceState *)tfcs->parent.parent.t_context; |
| 437 | guint cpu = tfcs->parent.cpu; |
| 438 | LttvProcessState *process = ts->running_process[cpu]; |
| 439 | LttvAttributeValue cpu_time; |
| 440 | |
| 441 | LttTime delta; |
| 442 | |
| 443 | if(process->state->s == LTTV_STATE_RUN && |
| 444 | process->state->t != LTTV_STATE_MODE_UNKNOWN) |
| 445 | delta = ltt_time_sub(tfcs->parent.parent.timestamp, |
| 446 | process->state->change); |
| 447 | else |
| 448 | delta = ltt_time_zero; |
| 449 | |
| 450 | lttv_attribute_find(tfcs->cpu_stats->current_events_tree, LTTV_STATS_CPU_TIME, |
| 451 | LTTV_TIME, &cpu_time); |
| 452 | *(cpu_time.v_time) = ltt_time_add(*(cpu_time.v_time), delta); |
| 453 | |
| 454 | process->state->cum_cpu_time = ltt_time_add(process->state->cum_cpu_time, |
| 455 | delta); |
| 456 | } |
| 457 | |
| 458 | /* Note : every mode_end must come with a cumulative cpu time update in the |
| 459 | * after hook. */ |
| 460 | static void mode_end(LttvTracefileStats *tfcs) |
| 461 | { |
| 462 | LttvTraceState *ts = (LttvTraceState *)tfcs->parent.parent.t_context; |
| 463 | guint cpu = tfcs->parent.cpu; |
| 464 | LttvProcessState *process = ts->running_process[cpu]; |
| 465 | LttvAttributeValue elapsed_time, cpu_time, cum_cpu_time; |
| 466 | |
| 467 | LttTime delta; |
| 468 | |
| 469 | /* FIXME put there in case of a missing update after a state modification */ |
| 470 | //void *lasttree = tfcs->cpu_stats->current_events_tree; |
| 471 | //update_event_tree(tfcs); |
| 472 | //g_assert (lasttree == tfcs->cpu_stats->current_events_tree); |
| 473 | lttv_attribute_find(tfcs->cpu_stats->current_events_tree, LTTV_STATS_ELAPSED_TIME, |
| 474 | LTTV_TIME, &elapsed_time); |
| 475 | |
| 476 | if(process->state->t != LTTV_STATE_MODE_UNKNOWN) { |
| 477 | delta = ltt_time_sub(tfcs->parent.parent.timestamp, |
| 478 | process->state->entry); |
| 479 | } else |
| 480 | delta = ltt_time_zero; |
| 481 | |
| 482 | *(elapsed_time.v_time) = ltt_time_add(*(elapsed_time.v_time), delta); |
| 483 | |
| 484 | lttv_attribute_find(tfcs->cpu_stats->current_events_tree, LTTV_STATS_CPU_TIME, |
| 485 | LTTV_TIME, &cpu_time); |
| 486 | |
| 487 | /* if it is a running mode, we must count its cpu time */ |
| 488 | if(process->state->s == LTTV_STATE_RUN && |
| 489 | process->state->t != LTTV_STATE_MODE_UNKNOWN) |
| 490 | delta = ltt_time_sub(tfcs->parent.parent.timestamp, |
| 491 | process->state->change); |
| 492 | else |
| 493 | delta = ltt_time_zero; |
| 494 | |
| 495 | *(cpu_time.v_time) = ltt_time_add(*(cpu_time.v_time), delta); |
| 496 | process->state->cum_cpu_time = ltt_time_add(process->state->cum_cpu_time, |
| 497 | delta); |
| 498 | |
| 499 | lttv_attribute_find(tfcs->cpu_stats->current_events_tree, LTTV_STATS_CUMULATIVE_CPU_TIME, |
| 500 | LTTV_TIME, &cum_cpu_time); |
| 501 | *(cum_cpu_time.v_time) = ltt_time_add(*(cum_cpu_time.v_time), |
| 502 | process->state->cum_cpu_time); |
| 503 | } |
| 504 | |
| 505 | |
| 506 | static void after_mode_end(LttvTracefileStats *tfcs) |
| 507 | { |
| 508 | LttvTraceState *ts = (LttvTraceState *)tfcs->parent.parent.t_context; |
| 509 | guint cpu = tfcs->parent.cpu; |
| 510 | LttvProcessState *process = ts->running_process[cpu]; |
| 511 | |
| 512 | LttTime nested_delta; |
| 513 | |
| 514 | nested_delta = process->state->cum_cpu_time; |
| 515 | process->state->cum_cpu_time = ltt_time_zero; /* For after traceset hook */ |
| 516 | |
| 517 | update_event_tree(tfcs->cpu_stats); |
| 518 | |
| 519 | process->state->cum_cpu_time = ltt_time_add(process->state->cum_cpu_time, |
| 520 | nested_delta); |
| 521 | } |
| 522 | |
| 523 | static gboolean before_syscall_entry(void *hook_data, void *call_data) |
| 524 | { |
| 525 | mode_change((LttvTracefileStats *)call_data); |
| 526 | return FALSE; |
| 527 | } |
| 528 | |
| 529 | |
| 530 | static gboolean after_syscall_entry(void *hook_data, void *call_data) |
| 531 | { |
| 532 | update_event_tree(((LttvTracefileStats *)call_data)->cpu_stats); |
| 533 | return FALSE; |
| 534 | } |
| 535 | |
| 536 | |
| 537 | static gboolean before_syscall_exit(void *hook_data, void *call_data) |
| 538 | { |
| 539 | mode_end((LttvTracefileStats *)call_data); |
| 540 | return FALSE; |
| 541 | } |
| 542 | |
| 543 | |
| 544 | static gboolean after_syscall_exit(void *hook_data, void *call_data) |
| 545 | { |
| 546 | after_mode_end((LttvTracefileStats *)call_data); |
| 547 | return FALSE; |
| 548 | } |
| 549 | |
| 550 | |
| 551 | static gboolean before_trap_entry(void *hook_data, void *call_data) |
| 552 | { |
| 553 | mode_change((LttvTracefileStats *)call_data); |
| 554 | return FALSE; |
| 555 | } |
| 556 | |
| 557 | |
| 558 | static gboolean after_trap_entry(void *hook_data, void *call_data) |
| 559 | { |
| 560 | update_event_tree(((LttvTracefileStats *)call_data)->cpu_stats); |
| 561 | return FALSE; |
| 562 | } |
| 563 | |
| 564 | |
| 565 | static gboolean before_trap_exit(void *hook_data, void *call_data) |
| 566 | { |
| 567 | mode_end((LttvTracefileStats *)call_data); |
| 568 | return FALSE; |
| 569 | } |
| 570 | |
| 571 | |
| 572 | static gboolean after_trap_exit(void *hook_data, void *call_data) |
| 573 | { |
| 574 | after_mode_end((LttvTracefileStats *)call_data); |
| 575 | return FALSE; |
| 576 | } |
| 577 | |
| 578 | |
| 579 | static gboolean before_irq_entry(void *hook_data, void *call_data) |
| 580 | { |
| 581 | mode_change((LttvTracefileStats *)call_data); |
| 582 | return FALSE; |
| 583 | } |
| 584 | |
| 585 | static gboolean after_irq_entry(void *hook_data, void *call_data) |
| 586 | { |
| 587 | update_event_tree(((LttvTracefileStats *)call_data)->cpu_stats); |
| 588 | return FALSE; |
| 589 | } |
| 590 | |
| 591 | |
| 592 | static gboolean before_irq_exit(void *hook_data, void *call_data) |
| 593 | { |
| 594 | mode_end((LttvTracefileStats *)call_data); |
| 595 | return FALSE; |
| 596 | } |
| 597 | |
| 598 | |
| 599 | static gboolean after_irq_exit(void *hook_data, void *call_data) |
| 600 | { |
| 601 | after_mode_end((LttvTracefileStats *)call_data); |
| 602 | return FALSE; |
| 603 | } |
| 604 | |
| 605 | |
| 606 | static gboolean before_soft_irq_entry(void *hook_data, void *call_data) |
| 607 | { |
| 608 | mode_change((LttvTracefileStats *)call_data); |
| 609 | return FALSE; |
| 610 | } |
| 611 | |
| 612 | static gboolean after_soft_irq_entry(void *hook_data, void *call_data) |
| 613 | { |
| 614 | update_event_tree(((LttvTracefileStats *)call_data)->cpu_stats); |
| 615 | return FALSE; |
| 616 | } |
| 617 | |
| 618 | static gboolean before_soft_irq_exit(void *hook_data, void *call_data) |
| 619 | { |
| 620 | mode_end((LttvTracefileStats *)call_data); |
| 621 | return FALSE; |
| 622 | } |
| 623 | |
| 624 | |
| 625 | static gboolean after_soft_irq_exit(void *hook_data, void *call_data) |
| 626 | { |
| 627 | after_mode_end((LttvTracefileStats *)call_data); |
| 628 | return FALSE; |
| 629 | } |
| 630 | |
| 631 | static gboolean before_function_entry(void *hook_data, void *call_data) |
| 632 | { |
| 633 | mode_change((LttvTracefileStats *)call_data); |
| 634 | return FALSE; |
| 635 | } |
| 636 | |
| 637 | static gboolean after_function_entry(void *hook_data, void *call_data) |
| 638 | { |
| 639 | update_event_tree(((LttvTracefileStats *)call_data)->cpu_stats); |
| 640 | return FALSE; |
| 641 | } |
| 642 | |
| 643 | static gboolean before_function_exit(void *hook_data, void *call_data) |
| 644 | { |
| 645 | mode_end((LttvTracefileStats *)call_data); |
| 646 | return FALSE; |
| 647 | } |
| 648 | |
| 649 | static gboolean after_function_exit(void *hook_data, void *call_data) |
| 650 | { |
| 651 | after_mode_end((LttvTracefileStats *)call_data); |
| 652 | return FALSE; |
| 653 | } |
| 654 | |
| 655 | |
| 656 | static gboolean before_schedchange(void *hook_data, void *call_data) |
| 657 | { |
| 658 | LttvTracefileStats *tfcs = (LttvTracefileStats *)call_data; |
| 659 | |
| 660 | /* compute the time for the process to schedule out */ |
| 661 | mode_change(tfcs); |
| 662 | |
| 663 | return FALSE; |
| 664 | } |
| 665 | |
| 666 | static gboolean after_schedchange(void *hook_data, void *call_data) |
| 667 | { |
| 668 | LttvTracefileStats *tfcs = (LttvTracefileStats *)call_data; |
| 669 | |
| 670 | LttvTraceState *ts = (LttvTraceState*)tfcs->parent.parent.t_context; |
| 671 | |
| 672 | LttvProcessState *process; |
| 673 | |
| 674 | /* get the information for the process scheduled in */ |
| 675 | guint cpu = tfcs->parent.cpu; |
| 676 | process = ts->running_process[cpu]; |
| 677 | |
| 678 | find_event_tree(tfcs->cpu_stats, process->pid_time, |
| 679 | cpu, |
| 680 | process->current_function, |
| 681 | process->state->t, process->state->n, |
| 682 | &(tfcs->cpu_stats->current_events_tree), |
| 683 | &(tfcs->cpu_stats->current_event_types_tree)); |
| 684 | |
| 685 | /* compute the time waiting for the process to schedule in */ |
| 686 | mode_change(tfcs); |
| 687 | |
| 688 | return FALSE; |
| 689 | } |
| 690 | |
| 691 | static gboolean process_fork(void *hook_data, void *call_data) |
| 692 | { |
| 693 | return FALSE; |
| 694 | } |
| 695 | |
| 696 | static gboolean process_exit(void *hook_data, void *call_data) |
| 697 | { |
| 698 | update_event_tree(((LttvTracefileStats *)call_data)->cpu_stats); |
| 699 | return FALSE; |
| 700 | } |
| 701 | |
| 702 | static gboolean before_enum_process_state(void *hook_data, void *call_data) |
| 703 | { |
| 704 | #if 0 |
| 705 | /* Broken : adds up time in the current process doing the dump */ |
| 706 | LttvTracefileStats *tfcs = (LttvTracefileStats *)call_data; |
| 707 | mode_end(tfcs); |
| 708 | after_mode_end(tfcs); |
| 709 | mode_change(tfcs); |
| 710 | #endif //0 |
| 711 | return FALSE; |
| 712 | } |
| 713 | |
| 714 | static gboolean after_enum_process_state(void *hook_data, void *call_data) |
| 715 | { |
| 716 | LttvTracefileContext *tfc = (LttvTracefileContext *)call_data; |
| 717 | LttvTraceStats *tcs = (LttvTraceStats*)tfc->t_context; |
| 718 | update_trace_event_tree(tcs); |
| 719 | return FALSE; |
| 720 | } |
| 721 | |
| 722 | static gboolean after_statedump_end(void *hook_data, void *call_data) |
| 723 | { |
| 724 | LttvTracefileContext *tfc = (LttvTracefileContext *)call_data; |
| 725 | LttvTraceStats *tcs = (LttvTraceStats*)tfc->t_context; |
| 726 | update_trace_event_tree(tcs); |
| 727 | return FALSE; |
| 728 | } |
| 729 | |
| 730 | static gboolean process_free(void *hook_data, void *call_data) |
| 731 | { |
| 732 | return FALSE; |
| 733 | } |
| 734 | |
| 735 | static gboolean every_event(void *hook_data, void *call_data) |
| 736 | { |
| 737 | LttvTracefileStats *tfcs = (LttvTracefileStats *)call_data; |
| 738 | |
| 739 | LttEvent *e = ltt_tracefile_get_event(tfcs->parent.parent.tf); |
| 740 | |
| 741 | LttvAttributeValue v; |
| 742 | |
| 743 | struct marker_info *info; |
| 744 | |
| 745 | /* The current branch corresponds to the tracefile/process/interrupt state. |
| 746 | Statistics are added within it, to count the number of events of this |
| 747 | type occuring in this context. A quark has been pre-allocated for each |
| 748 | event type and is used as name. */ |
| 749 | |
| 750 | info = marker_get_info_from_id(tfcs->parent.parent.tf->mdata, e->event_id); |
| 751 | |
| 752 | lttv_attribute_find(tfcs->cpu_stats->current_event_types_tree, |
| 753 | info->name, LTTV_UINT, &v); |
| 754 | (*(v.v_uint))++; |
| 755 | return FALSE; |
| 756 | } |
| 757 | |
| 758 | struct cleanup_state_struct { |
| 759 | LttvTraceState *ts; |
| 760 | LttTime current_time; |
| 761 | }; |
| 762 | |
| 763 | //static void lttv_stats_cleanup_process_state(LttvTraceState *ts, |
| 764 | // LttvProcessState *process, LttTime current_time) |
| 765 | static void lttv_stats_cleanup_process_state(gpointer key, gpointer value, |
| 766 | gpointer user_data) |
| 767 | { |
| 768 | struct cleanup_state_struct *cleanup_closure = |
| 769 | (struct cleanup_state_struct *)user_data; |
| 770 | LttvTraceState *ts = cleanup_closure->ts; |
| 771 | LttvProcessState *process = (LttvProcessState *)value; |
| 772 | LttTime current_time = cleanup_closure->current_time; |
| 773 | LttvTracefileStats **tfs = (LttvTracefileStats **) |
| 774 | &g_array_index(ts->parent.tracefiles, LttvTracefileContext*, |
| 775 | process->cpu); |
| 776 | int cleanup_empty = 0; |
| 777 | LttTime nested_delta = ltt_time_zero; |
| 778 | |
| 779 | /* FIXME : ok, this is a hack. The time is infinite here :( */ |
| 780 | //LttTime save_time = (*tfs)->parent.parent.timestamp; |
| 781 | //LttTime start, end; |
| 782 | //ltt_trace_time_span_get(ts->parent.t, &start, &end); |
| 783 | //(*tfs)->parent.parent.timestamp = end; |
| 784 | |
| 785 | do { |
| 786 | if(ltt_time_compare(process->state->cum_cpu_time, ltt_time_zero) != 0) { |
| 787 | find_event_tree((*tfs)->cpu_stats, process->pid_time, |
| 788 | process->cpu, |
| 789 | process->current_function, |
| 790 | process->state->t, process->state->n, |
| 791 | &((*tfs)->cpu_stats->current_events_tree), |
| 792 | &((*tfs)->cpu_stats->current_event_types_tree)); |
| 793 | /* Call mode_end only if not at end of trace */ |
| 794 | if(ltt_time_compare(current_time, ltt_time_infinite) != 0) |
| 795 | mode_end(*tfs); |
| 796 | nested_delta = process->state->cum_cpu_time; |
| 797 | } |
| 798 | cleanup_empty = lttv_state_pop_state_cleanup(process, |
| 799 | (LttvTracefileState *)*tfs); |
| 800 | process->state->cum_cpu_time = ltt_time_add(process->state->cum_cpu_time, |
| 801 | nested_delta); |
| 802 | |
| 803 | } while(cleanup_empty != 1); |
| 804 | |
| 805 | //(*tfs)->parent.parent.timestamp = save_time; |
| 806 | } |
| 807 | |
| 808 | /* For each cpu, for each of their stacked states, |
| 809 | * perform sum of needed values. */ |
| 810 | static void lttv_stats_cleanup_state(LttvTraceStats *tcs, LttTime current_time) |
| 811 | { |
| 812 | LttvTraceState *ts = (LttvTraceState *)tcs; |
| 813 | struct cleanup_state_struct cleanup_closure; |
| 814 | #if 0 |
| 815 | guint nb_cpus, i; |
| 816 | |
| 817 | nb_cpus = ltt_trace_get_num_cpu(ts->parent.t); |
| 818 | |
| 819 | for(i=0; i<nb_cpus; i++) { |
| 820 | lttv_stats_cleanup_process_state(ts, ts->running_process[i], current_time); |
| 821 | } |
| 822 | #endif //0 |
| 823 | cleanup_closure.ts = ts; |
| 824 | cleanup_closure.current_time = current_time; |
| 825 | g_hash_table_foreach(ts->processes, lttv_stats_cleanup_process_state, |
| 826 | &cleanup_closure); |
| 827 | } |
| 828 | |
| 829 | void lttv_stats_sum_trace(LttvTraceStats *self, LttvAttribute *ts_stats, |
| 830 | LttTime current_time) |
| 831 | { |
| 832 | LttvAttribute *sum_container = self->stats; |
| 833 | |
| 834 | LttvAttributeValue value; |
| 835 | |
| 836 | LttvAttributeName name; |
| 837 | |
| 838 | gboolean is_named; |
| 839 | |
| 840 | unsigned sum; |
| 841 | |
| 842 | int trace_is_summed; |
| 843 | |
| 844 | int i, j, k, l, m, nb_process, nb_cpu, nb_mode_type, nb_submode, |
| 845 | nb_event_type, nf, nb_functions; |
| 846 | |
| 847 | LttvAttribute *main_tree, *processes_tree, *process_tree, *cpus_tree, |
| 848 | *cpu_tree, *mode_tree, *mode_types_tree, *submodes_tree, |
| 849 | *submode_tree, *event_types_tree, *mode_events_tree, |
| 850 | *cpu_functions_tree, |
| 851 | *function_tree, |
| 852 | *function_mode_types_tree, |
| 853 | *trace_cpu_tree; |
| 854 | |
| 855 | |
| 856 | main_tree = sum_container; |
| 857 | |
| 858 | lttv_attribute_find(sum_container, |
| 859 | LTTV_STATS_SUMMED, |
| 860 | LTTV_UINT, &value); |
| 861 | trace_is_summed = *(value.v_uint); |
| 862 | *(value.v_uint) = 1; |
| 863 | |
| 864 | /* First cleanup the state : sum all stalled information (never ending |
| 865 | * states). */ |
| 866 | if(!trace_is_summed) |
| 867 | lttv_stats_cleanup_state(self, current_time); |
| 868 | |
| 869 | processes_tree = lttv_attribute_find_subdir(main_tree, |
| 870 | LTTV_STATS_PROCESSES); |
| 871 | nb_process = lttv_attribute_get_number(processes_tree); |
| 872 | |
| 873 | for(i = 0 ; i < nb_process ; i++) { |
| 874 | lttv_attribute_get(processes_tree, i, &name, &value, &is_named); |
| 875 | process_tree = LTTV_ATTRIBUTE(*(value.v_gobject)); |
| 876 | |
| 877 | cpus_tree = lttv_attribute_find_subdir(process_tree, LTTV_STATS_CPU); |
| 878 | nb_cpu = lttv_attribute_get_number(cpus_tree); |
| 879 | |
| 880 | for(j = 0 ; j < nb_cpu ; j++) { |
| 881 | lttv_attribute_get(cpus_tree, j, &name, &value, &is_named); |
| 882 | cpu_tree = LTTV_ATTRIBUTE(*(value.v_gobject)); |
| 883 | |
| 884 | trace_cpu_tree = lttv_attribute_find_subdir(main_tree, |
| 885 | LTTV_STATS_CPU); |
| 886 | trace_cpu_tree = lttv_attribute_find_subdir_unnamed(trace_cpu_tree, name); |
| 887 | cpu_functions_tree = lttv_attribute_find_subdir(cpu_tree, |
| 888 | LTTV_STATS_FUNCTIONS); |
| 889 | nb_functions = lttv_attribute_get_number(cpu_functions_tree); |
| 890 | |
| 891 | for(nf=0; nf < nb_functions; nf++) { |
| 892 | lttv_attribute_get(cpu_functions_tree, nf, &name, &value, |
| 893 | &is_named); |
| 894 | function_tree = LTTV_ATTRIBUTE(*(value.v_gobject)); |
| 895 | function_mode_types_tree = lttv_attribute_find_subdir(function_tree, |
| 896 | LTTV_STATS_MODE_TYPES); |
| 897 | nb_mode_type = lttv_attribute_get_number(function_mode_types_tree); |
| 898 | for(k = 0 ; k < nb_mode_type ; k++) { |
| 899 | lttv_attribute_get(function_mode_types_tree, k, &name, |
| 900 | &value, &is_named); |
| 901 | mode_tree = LTTV_ATTRIBUTE(*(value.v_gobject)); |
| 902 | |
| 903 | submodes_tree = lttv_attribute_find_subdir(mode_tree, |
| 904 | LTTV_STATS_SUBMODES); |
| 905 | mode_events_tree = lttv_attribute_find_subdir(mode_tree, |
| 906 | LTTV_STATS_EVENTS); |
| 907 | mode_types_tree = lttv_attribute_find_subdir(mode_tree, |
| 908 | LTTV_STATS_MODE_TYPES); |
| 909 | |
| 910 | nb_submode = lttv_attribute_get_number(submodes_tree); |
| 911 | |
| 912 | for(l = 0 ; l < nb_submode ; l++) { |
| 913 | lttv_attribute_get(submodes_tree, l, &name, &value, |
| 914 | &is_named); |
| 915 | submode_tree = LTTV_ATTRIBUTE(*(value.v_gobject)); |
| 916 | |
| 917 | event_types_tree = lttv_attribute_find_subdir(submode_tree, |
| 918 | LTTV_STATS_EVENT_TYPES); |
| 919 | nb_event_type = lttv_attribute_get_number(event_types_tree); |
| 920 | |
| 921 | sum = 0; |
| 922 | for(m = 0 ; m < nb_event_type ; m++) { |
| 923 | lttv_attribute_get(event_types_tree, m, &name, |
| 924 | &value, &is_named); |
| 925 | sum += *(value.v_uint); |
| 926 | } |
| 927 | lttv_attribute_find(submode_tree, LTTV_STATS_EVENTS_COUNT, |
| 928 | LTTV_UINT, &value); |
| 929 | *(value.v_uint) = sum; |
| 930 | |
| 931 | lttv_attribute_get(submodes_tree, l, &name, &value, |
| 932 | &is_named); |
| 933 | submode_tree = LTTV_ATTRIBUTE(*(value.v_gobject)); |
| 934 | if(!trace_is_summed) { |
| 935 | lttv_attribute_recursive_add(mode_events_tree, event_types_tree); |
| 936 | lttv_attribute_recursive_add(mode_types_tree, submode_tree); |
| 937 | } |
| 938 | } |
| 939 | if(!trace_is_summed) { |
| 940 | lttv_attribute_recursive_add(function_tree, mode_types_tree); |
| 941 | } |
| 942 | } |
| 943 | if(!trace_is_summed) { |
| 944 | lttv_attribute_recursive_add(cpu_tree, function_tree); |
| 945 | lttv_attribute_recursive_add(process_tree, function_tree); |
| 946 | lttv_attribute_recursive_add(trace_cpu_tree, function_tree); |
| 947 | lttv_attribute_recursive_add(main_tree, function_tree); |
| 948 | } |
| 949 | lttv_attribute_recursive_add(ts_stats, function_tree); |
| 950 | } |
| 951 | } |
| 952 | } |
| 953 | } |
| 954 | |
| 955 | |
| 956 | gboolean lttv_stats_sum_traceset_hook(void *hook_data, void *call_data) |
| 957 | { |
| 958 | struct sum_traceset_closure *closure = |
| 959 | (struct sum_traceset_closure *)call_data; |
| 960 | lttv_stats_sum_traceset(closure->tss, closure->current_time); |
| 961 | return 0; |
| 962 | } |
| 963 | |
| 964 | void lttv_stats_sum_traceset(LttvTracesetStats *self, LttTime current_time) |
| 965 | { |
| 966 | LttvTraceset *traceset = self->parent.parent.ts; |
| 967 | LttvAttribute *sum_container = self->stats; |
| 968 | |
| 969 | LttvTraceStats *tcs; |
| 970 | |
| 971 | int i, nb_trace; |
| 972 | |
| 973 | LttvAttributeValue value; |
| 974 | |
| 975 | lttv_attribute_find(sum_container, LTTV_STATS_SUMMED, |
| 976 | LTTV_UINT, &value); |
| 977 | if(*(value.v_uint) != 0) return; |
| 978 | *(value.v_uint) = 1; |
| 979 | |
| 980 | nb_trace = lttv_traceset_number(traceset); |
| 981 | |
| 982 | for(i = 0 ; i < nb_trace ; i++) { |
| 983 | tcs = (LttvTraceStats *)(self->parent.parent.traces[i]); |
| 984 | lttv_stats_sum_trace(tcs, self->stats, current_time); |
| 985 | // lttv_attribute_recursive_add(sum_container, tcs->stats); |
| 986 | } |
| 987 | } |
| 988 | |
| 989 | |
| 990 | // Hook wrapper. call_data is a traceset context. |
| 991 | gboolean lttv_stats_hook_add_event_hooks(void *hook_data, void *call_data) |
| 992 | { |
| 993 | LttvTracesetStats *tss = (LttvTracesetStats*)call_data; |
| 994 | |
| 995 | lttv_stats_add_event_hooks(tss); |
| 996 | |
| 997 | return 0; |
| 998 | } |
| 999 | |
| 1000 | void lttv_stats_add_event_hooks(LttvTracesetStats *self) |
| 1001 | { |
| 1002 | LttvTraceset *traceset = self->parent.parent.ts; |
| 1003 | |
| 1004 | guint i, j, k, nb_trace, nb_tracefile; |
| 1005 | |
| 1006 | LttvTraceStats *ts; |
| 1007 | |
| 1008 | LttvTracefileStats *tfs; |
| 1009 | |
| 1010 | GArray *hooks, *before_hooks, *after_hooks; |
| 1011 | |
| 1012 | LttvTraceHook *th; |
| 1013 | |
| 1014 | LttvAttributeValue val; |
| 1015 | |
| 1016 | nb_trace = lttv_traceset_number(traceset); |
| 1017 | for(i = 0 ; i < nb_trace ; i++) { |
| 1018 | ts = (LttvTraceStats *)self->parent.parent.traces[i]; |
| 1019 | |
| 1020 | /* Find the eventtype id for the following events and register the |
| 1021 | associated by id hooks. */ |
| 1022 | |
| 1023 | hooks = g_array_sized_new(FALSE, FALSE, sizeof(LttvTraceHook), 12); |
| 1024 | |
| 1025 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1026 | LTT_CHANNEL_KERNEL, |
| 1027 | LTT_EVENT_SYSCALL_ENTRY, |
| 1028 | FIELD_ARRAY(LTT_FIELD_SYSCALL_ID), |
| 1029 | before_syscall_entry, NULL, |
| 1030 | &hooks); |
| 1031 | |
| 1032 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1033 | LTT_CHANNEL_KERNEL, |
| 1034 | LTT_EVENT_SYSCALL_EXIT, |
| 1035 | NULL, |
| 1036 | before_syscall_exit, NULL, |
| 1037 | &hooks); |
| 1038 | |
| 1039 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1040 | LTT_CHANNEL_KERNEL, |
| 1041 | LTT_EVENT_TRAP_ENTRY, |
| 1042 | FIELD_ARRAY(LTT_FIELD_TRAP_ID), |
| 1043 | before_trap_entry, NULL, |
| 1044 | &hooks); |
| 1045 | |
| 1046 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1047 | LTT_CHANNEL_KERNEL, |
| 1048 | LTT_EVENT_TRAP_EXIT, |
| 1049 | NULL, |
| 1050 | before_trap_exit, NULL, |
| 1051 | &hooks); |
| 1052 | |
| 1053 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1054 | LTT_CHANNEL_KERNEL, |
| 1055 | LTT_EVENT_IRQ_ENTRY, |
| 1056 | FIELD_ARRAY(LTT_FIELD_IRQ_ID), |
| 1057 | before_irq_entry, NULL, |
| 1058 | &hooks); |
| 1059 | |
| 1060 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1061 | LTT_CHANNEL_KERNEL, |
| 1062 | LTT_EVENT_IRQ_EXIT, |
| 1063 | NULL, |
| 1064 | before_irq_exit, NULL, |
| 1065 | &hooks); |
| 1066 | |
| 1067 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1068 | LTT_CHANNEL_KERNEL, |
| 1069 | LTT_EVENT_SOFT_IRQ_ENTRY, |
| 1070 | FIELD_ARRAY(LTT_FIELD_SOFT_IRQ_ID), |
| 1071 | before_soft_irq_entry, NULL, |
| 1072 | &hooks); |
| 1073 | |
| 1074 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1075 | LTT_CHANNEL_KERNEL, |
| 1076 | LTT_EVENT_SOFT_IRQ_EXIT, |
| 1077 | NULL, |
| 1078 | before_soft_irq_exit, NULL, |
| 1079 | &hooks); |
| 1080 | |
| 1081 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1082 | LTT_CHANNEL_KERNEL, |
| 1083 | LTT_EVENT_SCHED_SCHEDULE, |
| 1084 | FIELD_ARRAY(LTT_FIELD_PREV_PID, LTT_FIELD_NEXT_PID, LTT_FIELD_PREV_STATE), |
| 1085 | before_schedchange, NULL, |
| 1086 | &hooks); |
| 1087 | |
| 1088 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1089 | LTT_CHANNEL_USERSPACE, |
| 1090 | LTT_EVENT_FUNCTION_ENTRY, |
| 1091 | FIELD_ARRAY(LTT_FIELD_THIS_FN, LTT_FIELD_CALL_SITE), |
| 1092 | before_function_entry, NULL, |
| 1093 | &hooks); |
| 1094 | |
| 1095 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1096 | LTT_CHANNEL_USERSPACE, |
| 1097 | LTT_EVENT_FUNCTION_EXIT, |
| 1098 | FIELD_ARRAY(LTT_FIELD_THIS_FN, LTT_FIELD_CALL_SITE), |
| 1099 | before_function_exit, NULL, |
| 1100 | &hooks); |
| 1101 | |
| 1102 | /* statedump-related hooks */ |
| 1103 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1104 | LTT_CHANNEL_TASK_STATE, |
| 1105 | LTT_EVENT_PROCESS_STATE, |
| 1106 | FIELD_ARRAY(LTT_FIELD_PID, LTT_FIELD_PARENT_PID, LTT_FIELD_NAME), |
| 1107 | before_enum_process_state, NULL, |
| 1108 | &hooks); |
| 1109 | |
| 1110 | before_hooks = hooks; |
| 1111 | |
| 1112 | hooks = g_array_sized_new(FALSE, FALSE, sizeof(LttvTraceHook), 16); |
| 1113 | |
| 1114 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1115 | LTT_CHANNEL_KERNEL, |
| 1116 | LTT_EVENT_SYSCALL_ENTRY, |
| 1117 | FIELD_ARRAY(LTT_FIELD_SYSCALL_ID), |
| 1118 | after_syscall_entry, NULL, |
| 1119 | &hooks); |
| 1120 | |
| 1121 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1122 | LTT_CHANNEL_KERNEL, |
| 1123 | LTT_EVENT_SYSCALL_EXIT, |
| 1124 | NULL, |
| 1125 | after_syscall_exit, NULL, |
| 1126 | &hooks); |
| 1127 | |
| 1128 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1129 | LTT_CHANNEL_KERNEL, |
| 1130 | LTT_EVENT_TRAP_ENTRY, |
| 1131 | FIELD_ARRAY(LTT_FIELD_TRAP_ID), |
| 1132 | after_trap_entry, NULL, |
| 1133 | &hooks); |
| 1134 | |
| 1135 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1136 | LTT_CHANNEL_KERNEL, |
| 1137 | LTT_EVENT_TRAP_EXIT, |
| 1138 | NULL, |
| 1139 | after_trap_exit, NULL, |
| 1140 | &hooks); |
| 1141 | |
| 1142 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1143 | LTT_CHANNEL_KERNEL, |
| 1144 | LTT_EVENT_IRQ_ENTRY, |
| 1145 | FIELD_ARRAY(LTT_FIELD_IRQ_ID), |
| 1146 | after_irq_entry, NULL, |
| 1147 | &hooks); |
| 1148 | |
| 1149 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1150 | LTT_CHANNEL_KERNEL, |
| 1151 | LTT_EVENT_IRQ_EXIT, |
| 1152 | NULL, |
| 1153 | after_irq_exit, NULL, |
| 1154 | &hooks); |
| 1155 | |
| 1156 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1157 | LTT_CHANNEL_KERNEL, |
| 1158 | LTT_EVENT_SOFT_IRQ_ENTRY, |
| 1159 | FIELD_ARRAY(LTT_FIELD_SOFT_IRQ_ID), |
| 1160 | after_soft_irq_entry, NULL, |
| 1161 | &hooks); |
| 1162 | |
| 1163 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1164 | LTT_CHANNEL_KERNEL, |
| 1165 | LTT_EVENT_SOFT_IRQ_EXIT, |
| 1166 | NULL, |
| 1167 | after_soft_irq_exit, NULL, |
| 1168 | &hooks); |
| 1169 | |
| 1170 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1171 | LTT_CHANNEL_KERNEL, |
| 1172 | LTT_EVENT_SCHED_SCHEDULE, |
| 1173 | FIELD_ARRAY(LTT_FIELD_PREV_PID, LTT_FIELD_NEXT_PID, LTT_FIELD_PREV_STATE), |
| 1174 | after_schedchange, NULL, |
| 1175 | &hooks); |
| 1176 | |
| 1177 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1178 | LTT_CHANNEL_KERNEL, |
| 1179 | LTT_EVENT_PROCESS_FORK, |
| 1180 | FIELD_ARRAY(LTT_FIELD_PARENT_PID, LTT_FIELD_CHILD_PID), |
| 1181 | process_fork, NULL, |
| 1182 | &hooks); |
| 1183 | |
| 1184 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1185 | LTT_CHANNEL_KERNEL, |
| 1186 | LTT_EVENT_PROCESS_EXIT, |
| 1187 | FIELD_ARRAY(LTT_FIELD_PID), |
| 1188 | process_exit, NULL, |
| 1189 | &hooks); |
| 1190 | |
| 1191 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1192 | LTT_CHANNEL_KERNEL, |
| 1193 | LTT_EVENT_PROCESS_FREE, |
| 1194 | FIELD_ARRAY(LTT_FIELD_PID), |
| 1195 | process_free, NULL, |
| 1196 | &hooks); |
| 1197 | |
| 1198 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1199 | LTT_CHANNEL_USERSPACE, |
| 1200 | LTT_EVENT_FUNCTION_ENTRY, |
| 1201 | FIELD_ARRAY(LTT_FIELD_THIS_FN, LTT_FIELD_CALL_SITE), |
| 1202 | after_function_entry, NULL, |
| 1203 | &hooks); |
| 1204 | |
| 1205 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1206 | LTT_CHANNEL_USERSPACE, |
| 1207 | LTT_EVENT_FUNCTION_EXIT, |
| 1208 | FIELD_ARRAY(LTT_FIELD_THIS_FN, LTT_FIELD_CALL_SITE), |
| 1209 | after_function_exit, NULL, |
| 1210 | &hooks); |
| 1211 | |
| 1212 | /* statedump-related hooks */ |
| 1213 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1214 | LTT_CHANNEL_TASK_STATE, |
| 1215 | LTT_EVENT_PROCESS_STATE, |
| 1216 | FIELD_ARRAY(LTT_FIELD_PID, LTT_FIELD_PARENT_PID, LTT_FIELD_NAME), |
| 1217 | after_enum_process_state, NULL, |
| 1218 | &hooks); |
| 1219 | |
| 1220 | lttv_trace_find_hook(ts->parent.parent.t, |
| 1221 | LTT_CHANNEL_GLOBAL_STATE, |
| 1222 | LTT_EVENT_STATEDUMP_END, |
| 1223 | NULL, |
| 1224 | after_statedump_end, NULL, |
| 1225 | &hooks); |
| 1226 | |
| 1227 | after_hooks = hooks; |
| 1228 | |
| 1229 | /* Add these hooks to each event_by_id hooks list */ |
| 1230 | |
| 1231 | nb_tracefile = ts->parent.parent.tracefiles->len; |
| 1232 | |
| 1233 | for(j = 0 ; j < nb_tracefile ; j++) { |
| 1234 | tfs = LTTV_TRACEFILE_STATS(g_array_index(ts->parent.parent.tracefiles, |
| 1235 | LttvTracefileContext*, j)); |
| 1236 | lttv_hooks_add(tfs->parent.parent.event, every_event, NULL, |
| 1237 | LTTV_PRIO_DEFAULT); |
| 1238 | |
| 1239 | for(k = 0 ; k < before_hooks->len ; k++) { |
| 1240 | th = &g_array_index(before_hooks, LttvTraceHook, k); |
| 1241 | if (th->mdata == tfs->parent.parent.tf->mdata) |
| 1242 | lttv_hooks_add( |
| 1243 | lttv_hooks_by_id_find(tfs->parent.parent.event_by_id, th->id), |
| 1244 | th->h, |
| 1245 | th, |
| 1246 | LTTV_PRIO_STATS_BEFORE_STATE); |
| 1247 | } |
| 1248 | for(k = 0 ; k < after_hooks->len ; k++) { |
| 1249 | th = &g_array_index(after_hooks, LttvTraceHook, k); |
| 1250 | if (th->mdata == tfs->parent.parent.tf->mdata) |
| 1251 | lttv_hooks_add( |
| 1252 | lttv_hooks_by_id_find(tfs->parent.parent.event_by_id, th->id), |
| 1253 | th->h, |
| 1254 | th, |
| 1255 | LTTV_PRIO_STATS_AFTER_STATE); |
| 1256 | } |
| 1257 | } |
| 1258 | lttv_attribute_find(self->parent.parent.a, LTTV_STATS_BEFORE_HOOKS, |
| 1259 | LTTV_POINTER, &val); |
| 1260 | *(val.v_pointer) = before_hooks; |
| 1261 | lttv_attribute_find(self->parent.parent.a, LTTV_STATS_AFTER_HOOKS, |
| 1262 | LTTV_POINTER, &val); |
| 1263 | *(val.v_pointer) = after_hooks; |
| 1264 | } |
| 1265 | } |
| 1266 | |
| 1267 | // Hook wrapper. call_data is a traceset context. |
| 1268 | gboolean lttv_stats_hook_remove_event_hooks(void *hook_data, void *call_data) |
| 1269 | { |
| 1270 | LttvTracesetStats *tss = (LttvTracesetStats*)call_data; |
| 1271 | |
| 1272 | lttv_stats_remove_event_hooks(tss); |
| 1273 | |
| 1274 | return 0; |
| 1275 | } |
| 1276 | |
| 1277 | void lttv_stats_remove_event_hooks(LttvTracesetStats *self) |
| 1278 | { |
| 1279 | LttvTraceset *traceset = self->parent.parent.ts; |
| 1280 | |
| 1281 | guint i, j, k, nb_trace, nb_tracefile; |
| 1282 | |
| 1283 | LttvTraceStats *ts; |
| 1284 | |
| 1285 | LttvTracefileStats *tfs; |
| 1286 | |
| 1287 | GArray *before_hooks, *after_hooks; |
| 1288 | |
| 1289 | LttvTraceHook *th; |
| 1290 | |
| 1291 | LttvAttributeValue val; |
| 1292 | |
| 1293 | nb_trace = lttv_traceset_number(traceset); |
| 1294 | for(i = 0 ; i < nb_trace ; i++) { |
| 1295 | ts = (LttvTraceStats*)self->parent.parent.traces[i]; |
| 1296 | lttv_attribute_find(self->parent.parent.a, LTTV_STATS_BEFORE_HOOKS, |
| 1297 | LTTV_POINTER, &val); |
| 1298 | before_hooks = *(val.v_pointer); |
| 1299 | lttv_attribute_find(self->parent.parent.a, LTTV_STATS_AFTER_HOOKS, |
| 1300 | LTTV_POINTER, &val); |
| 1301 | after_hooks = *(val.v_pointer); |
| 1302 | |
| 1303 | /* Remove these hooks from each event_by_id hooks list */ |
| 1304 | |
| 1305 | nb_tracefile = ts->parent.parent.tracefiles->len; |
| 1306 | |
| 1307 | for(j = 0 ; j < nb_tracefile ; j++) { |
| 1308 | tfs = LTTV_TRACEFILE_STATS(g_array_index(ts->parent.parent.tracefiles, |
| 1309 | LttvTracefileContext*, j)); |
| 1310 | lttv_hooks_remove_data(tfs->parent.parent.event, every_event, |
| 1311 | NULL); |
| 1312 | |
| 1313 | for(k = 0 ; k < before_hooks->len ; k++) { |
| 1314 | th = &g_array_index(before_hooks, LttvTraceHook, k); |
| 1315 | if (th->mdata == tfs->parent.parent.tf->mdata) |
| 1316 | lttv_hooks_remove_data( |
| 1317 | lttv_hooks_by_id_find(tfs->parent.parent.event_by_id, th->id), |
| 1318 | th->h, |
| 1319 | th); |
| 1320 | } |
| 1321 | for(k = 0 ; k < after_hooks->len ; k++) { |
| 1322 | th = &g_array_index(after_hooks, LttvTraceHook, k); |
| 1323 | if (th->mdata == tfs->parent.parent.tf->mdata) |
| 1324 | lttv_hooks_remove_data( |
| 1325 | lttv_hooks_by_id_find(tfs->parent.parent.event_by_id, th->id), |
| 1326 | th->h, |
| 1327 | th); |
| 1328 | |
| 1329 | } |
| 1330 | } |
| 1331 | g_debug("lttv_stats_remove_event_hooks()"); |
| 1332 | lttv_trace_hook_remove_all(&before_hooks); |
| 1333 | lttv_trace_hook_remove_all(&after_hooks); |
| 1334 | g_array_free(before_hooks, TRUE); |
| 1335 | g_array_free(after_hooks, TRUE); |
| 1336 | } |
| 1337 | } |
| 1338 | |
| 1339 | |
| 1340 | static void module_init() |
| 1341 | { |
| 1342 | LTTV_STATS_PROCESS_UNKNOWN = g_quark_from_string("unknown process"); |
| 1343 | LTTV_STATS_PROCESSES = g_quark_from_string("processes"); |
| 1344 | LTTV_STATS_CPU = g_quark_from_string("cpu"); |
| 1345 | LTTV_STATS_MODE_TYPES = g_quark_from_string("mode_types"); |
| 1346 | LTTV_STATS_MODES = g_quark_from_string("modes"); |
| 1347 | LTTV_STATS_SUBMODES = g_quark_from_string("submodes"); |
| 1348 | LTTV_STATS_FUNCTIONS = g_quark_from_string("functions"); |
| 1349 | LTTV_STATS_EVENT_TYPES = g_quark_from_string("event_types"); |
| 1350 | LTTV_STATS_CPU_TIME = g_quark_from_string("cpu time"); |
| 1351 | LTTV_STATS_CUMULATIVE_CPU_TIME = g_quark_from_string("cumulative cpu time (includes nested routines and modes)"); |
| 1352 | LTTV_STATS_ELAPSED_TIME = g_quark_from_string("elapsed time (includes per process waiting time)"); |
| 1353 | LTTV_STATS_EVENTS = g_quark_from_string("events"); |
| 1354 | LTTV_STATS_EVENTS_COUNT = g_quark_from_string("events count"); |
| 1355 | LTTV_STATS_BEFORE_HOOKS = g_quark_from_string("saved stats before hooks"); |
| 1356 | LTTV_STATS_AFTER_HOOKS = g_quark_from_string("saved stats after hooks"); |
| 1357 | LTTV_STATS_USE_COUNT = g_quark_from_string("stats_use_count"); |
| 1358 | LTTV_STATS = g_quark_from_string("statistics"); |
| 1359 | LTTV_STATS_SUMMED = g_quark_from_string("statistics summed"); |
| 1360 | } |
| 1361 | |
| 1362 | static void module_destroy() |
| 1363 | { |
| 1364 | } |
| 1365 | |
| 1366 | |
| 1367 | LTTV_MODULE("stats", "Compute processes statistics", \ |
| 1368 | "Accumulate statistics for event types, processes and CPUs", \ |
| 1369 | module_init, module_destroy, "state"); |
| 1370 | |
| 1371 | /* Change the places where stats are called (create/read/write stats) |
| 1372 | |
| 1373 | Check for options in batchtest.c to reduce writing and see what tests are |
| 1374 | best candidates for performance analysis. Once OK, commit, move to main |
| 1375 | and run tests. Update the gui for statistics. */ |