| 1 | /* |
| 2 | * Copyright (C) 2021 Simon Marchi <simon.marchi@efficios.com> |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0-only |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #include <stdio.h> |
| 9 | |
| 10 | #include "../command.h" |
| 11 | |
| 12 | #include "common/argpar/argpar.h" |
| 13 | #include "common/dynamic-array.h" |
| 14 | #include "common/mi-lttng.h" |
| 15 | /* For lttng_condition_type_str(). */ |
| 16 | #include "lttng/condition/condition-internal.h" |
| 17 | /* For lttng_domain_type_str(). */ |
| 18 | #include "lttng/domain-internal.h" |
| 19 | |
| 20 | #ifdef LTTNG_EMBED_HELP |
| 21 | static const char help_msg[] = |
| 22 | #include <lttng-list-trigger.1.h> |
| 23 | ; |
| 24 | #endif |
| 25 | |
| 26 | enum { |
| 27 | OPT_HELP, |
| 28 | OPT_LIST_OPTIONS, |
| 29 | }; |
| 30 | |
| 31 | static const |
| 32 | struct argpar_opt_descr list_trigger_options[] = { |
| 33 | { OPT_HELP, 'h', "help", false }, |
| 34 | { OPT_LIST_OPTIONS, '\0', "list-options", false }, |
| 35 | ARGPAR_OPT_DESCR_SENTINEL, |
| 36 | }; |
| 37 | |
| 38 | static |
| 39 | void print_event_rule_tracepoint(const struct lttng_event_rule *event_rule) |
| 40 | { |
| 41 | enum lttng_event_rule_status event_rule_status; |
| 42 | enum lttng_domain_type domain_type; |
| 43 | const char *pattern; |
| 44 | const char *filter; |
| 45 | int log_level; |
| 46 | unsigned int exclusions_count; |
| 47 | int i; |
| 48 | |
| 49 | event_rule_status = lttng_event_rule_tracepoint_get_pattern( |
| 50 | event_rule, &pattern); |
| 51 | assert(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK); |
| 52 | |
| 53 | event_rule_status = lttng_event_rule_tracepoint_get_domain_type( |
| 54 | event_rule, &domain_type); |
| 55 | assert(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK); |
| 56 | |
| 57 | _MSG(" rule: %s (type: tracepoint, domain: %s", pattern, |
| 58 | lttng_domain_type_str(domain_type)); |
| 59 | |
| 60 | event_rule_status = lttng_event_rule_tracepoint_get_filter( |
| 61 | event_rule, &filter); |
| 62 | if (event_rule_status == LTTNG_EVENT_RULE_STATUS_OK) { |
| 63 | _MSG(", filter: %s", filter); |
| 64 | } else { |
| 65 | assert(event_rule_status == LTTNG_EVENT_RULE_STATUS_UNSET); |
| 66 | } |
| 67 | |
| 68 | event_rule_status = lttng_event_rule_tracepoint_get_log_level( |
| 69 | event_rule, &log_level); |
| 70 | if (event_rule_status == LTTNG_EVENT_RULE_STATUS_OK) { |
| 71 | enum lttng_loglevel_type log_level_type; |
| 72 | const char *log_level_op; |
| 73 | |
| 74 | event_rule_status = lttng_event_rule_tracepoint_get_log_level_type( |
| 75 | event_rule, &log_level_type); |
| 76 | assert(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK); |
| 77 | assert(log_level_type == LTTNG_EVENT_LOGLEVEL_RANGE || |
| 78 | log_level_type == LTTNG_EVENT_LOGLEVEL_SINGLE); |
| 79 | |
| 80 | log_level_op = (log_level_type == LTTNG_EVENT_LOGLEVEL_RANGE ? "<=" : "=="); |
| 81 | |
| 82 | _MSG(", log level %s %s", log_level_op, |
| 83 | mi_lttng_loglevel_string( |
| 84 | log_level, domain_type)); |
| 85 | } else { |
| 86 | assert(event_rule_status == LTTNG_EVENT_RULE_STATUS_UNSET); |
| 87 | } |
| 88 | |
| 89 | event_rule_status = lttng_event_rule_tracepoint_get_exclusions_count( |
| 90 | event_rule, &exclusions_count); |
| 91 | assert(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK); |
| 92 | if (exclusions_count > 0) { |
| 93 | _MSG(", exclusions: "); |
| 94 | for (i = 0; i < exclusions_count; i++) { |
| 95 | const char *exclusion; |
| 96 | |
| 97 | event_rule_status = lttng_event_rule_tracepoint_get_exclusion_at_index( |
| 98 | event_rule, i, &exclusion); |
| 99 | assert(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK); |
| 100 | |
| 101 | _MSG("%s%s", i > 0 ? "," : "", exclusion); |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | MSG(")"); |
| 106 | } |
| 107 | |
| 108 | static void print_kernel_probe_location( |
| 109 | const struct lttng_kernel_probe_location *location) |
| 110 | { |
| 111 | enum lttng_kernel_probe_location_status status; |
| 112 | switch (lttng_kernel_probe_location_get_type(location)) { |
| 113 | case LTTNG_KERNEL_PROBE_LOCATION_TYPE_ADDRESS: |
| 114 | { |
| 115 | uint64_t address; |
| 116 | |
| 117 | status = lttng_kernel_probe_location_address_get_address( |
| 118 | location, &address); |
| 119 | if (status != LTTNG_KERNEL_PROBE_LOCATION_STATUS_OK) { |
| 120 | ERR("Getting kernel probe location address failed."); |
| 121 | goto end; |
| 122 | } |
| 123 | |
| 124 | _MSG("0x%" PRIx64, address); |
| 125 | |
| 126 | break; |
| 127 | } |
| 128 | case LTTNG_KERNEL_PROBE_LOCATION_TYPE_SYMBOL_OFFSET: |
| 129 | { |
| 130 | uint64_t offset; |
| 131 | const char *symbol_name; |
| 132 | |
| 133 | symbol_name = lttng_kernel_probe_location_symbol_get_name( |
| 134 | location); |
| 135 | if (!symbol_name) { |
| 136 | ERR("Getting kernel probe location symbol name failed."); |
| 137 | goto end; |
| 138 | } |
| 139 | |
| 140 | status = lttng_kernel_probe_location_symbol_get_offset( |
| 141 | location, &offset); |
| 142 | if (status != LTTNG_KERNEL_PROBE_LOCATION_STATUS_OK) { |
| 143 | ERR("Getting kernel probe location address failed."); |
| 144 | goto end; |
| 145 | } |
| 146 | |
| 147 | if (offset == 0) { |
| 148 | _MSG("%s", symbol_name); |
| 149 | } else { |
| 150 | _MSG("%s+0x%" PRIx64, symbol_name, offset); |
| 151 | } |
| 152 | |
| 153 | break; |
| 154 | } |
| 155 | default: |
| 156 | abort(); |
| 157 | }; |
| 158 | end: |
| 159 | return; |
| 160 | } |
| 161 | |
| 162 | static |
| 163 | void print_event_rule_kprobe(const struct lttng_event_rule *event_rule) |
| 164 | { |
| 165 | enum lttng_event_rule_status event_rule_status; |
| 166 | const char *name; |
| 167 | const struct lttng_kernel_probe_location *location; |
| 168 | |
| 169 | assert(lttng_event_rule_get_type(event_rule) == LTTNG_EVENT_RULE_TYPE_KPROBE); |
| 170 | |
| 171 | event_rule_status = lttng_event_rule_kprobe_get_name(event_rule, &name); |
| 172 | if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) { |
| 173 | ERR("Failed to get kprobe event rule's name."); |
| 174 | goto end; |
| 175 | } |
| 176 | |
| 177 | event_rule_status = lttng_event_rule_kprobe_get_location( |
| 178 | event_rule, &location); |
| 179 | if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) { |
| 180 | ERR("Failed to get kprobe event rule's location."); |
| 181 | goto end; |
| 182 | } |
| 183 | |
| 184 | _MSG(" rule: %s (type: probe, location: ", name); |
| 185 | |
| 186 | print_kernel_probe_location(location); |
| 187 | |
| 188 | MSG(")"); |
| 189 | |
| 190 | end: |
| 191 | return; |
| 192 | } |
| 193 | |
| 194 | static |
| 195 | void print_event_rule_uprobe(const struct lttng_event_rule *event_rule) |
| 196 | { |
| 197 | enum lttng_event_rule_status event_rule_status; |
| 198 | const char *name; |
| 199 | const struct lttng_userspace_probe_location *location; |
| 200 | enum lttng_userspace_probe_location_type userspace_probe_location_type; |
| 201 | |
| 202 | assert(lttng_event_rule_get_type(event_rule) == LTTNG_EVENT_RULE_TYPE_UPROBE); |
| 203 | |
| 204 | event_rule_status = lttng_event_rule_uprobe_get_name(event_rule, &name); |
| 205 | if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) { |
| 206 | ERR("Failed to get uprobe event rule's name."); |
| 207 | goto end; |
| 208 | } |
| 209 | |
| 210 | event_rule_status = lttng_event_rule_uprobe_get_location( |
| 211 | event_rule, &location); |
| 212 | if (event_rule_status != LTTNG_EVENT_RULE_STATUS_OK) { |
| 213 | ERR("Failed to get uprobe event rule's location."); |
| 214 | goto end; |
| 215 | } |
| 216 | |
| 217 | _MSG(" rule: %s (type: userspace probe, location: ", name); |
| 218 | |
| 219 | userspace_probe_location_type = |
| 220 | lttng_userspace_probe_location_get_type(location); |
| 221 | |
| 222 | switch (userspace_probe_location_type) { |
| 223 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION: |
| 224 | { |
| 225 | const char *binary_path, *function_name; |
| 226 | |
| 227 | binary_path = lttng_userspace_probe_location_function_get_binary_path( |
| 228 | location); |
| 229 | function_name = lttng_userspace_probe_location_function_get_function_name( |
| 230 | location); |
| 231 | |
| 232 | _MSG("%s:%s", binary_path, function_name); |
| 233 | break; |
| 234 | } |
| 235 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT: |
| 236 | _MSG("SDT not implemented yet"); |
| 237 | break; |
| 238 | default: |
| 239 | abort(); |
| 240 | } |
| 241 | |
| 242 | MSG(")"); |
| 243 | |
| 244 | end: |
| 245 | return; |
| 246 | } |
| 247 | |
| 248 | static |
| 249 | void print_event_rule_syscall(const struct lttng_event_rule *event_rule) |
| 250 | { |
| 251 | const char *pattern, *filter; |
| 252 | enum lttng_event_rule_status event_rule_status; |
| 253 | |
| 254 | assert(lttng_event_rule_get_type(event_rule) == LTTNG_EVENT_RULE_TYPE_SYSCALL); |
| 255 | |
| 256 | event_rule_status = lttng_event_rule_syscall_get_pattern( |
| 257 | event_rule, &pattern); |
| 258 | assert(event_rule_status == LTTNG_EVENT_RULE_STATUS_OK); |
| 259 | |
| 260 | _MSG(" rule: %s (type: syscall", pattern); |
| 261 | |
| 262 | event_rule_status = lttng_event_rule_syscall_get_filter( |
| 263 | event_rule, &filter); |
| 264 | if (event_rule_status == LTTNG_EVENT_RULE_STATUS_OK) { |
| 265 | _MSG(", filter: %s", filter); |
| 266 | } else { |
| 267 | assert(event_rule_status == LTTNG_EVENT_RULE_STATUS_UNSET); |
| 268 | } |
| 269 | |
| 270 | MSG(")"); |
| 271 | } |
| 272 | |
| 273 | static |
| 274 | void print_event_rule(const struct lttng_event_rule *event_rule) |
| 275 | { |
| 276 | const enum lttng_event_rule_type event_rule_type = |
| 277 | lttng_event_rule_get_type(event_rule); |
| 278 | |
| 279 | switch (event_rule_type) { |
| 280 | case LTTNG_EVENT_RULE_TYPE_TRACEPOINT: |
| 281 | print_event_rule_tracepoint(event_rule); |
| 282 | break; |
| 283 | case LTTNG_EVENT_RULE_TYPE_KPROBE: |
| 284 | print_event_rule_kprobe(event_rule); |
| 285 | break; |
| 286 | case LTTNG_EVENT_RULE_TYPE_UPROBE: |
| 287 | print_event_rule_uprobe(event_rule); |
| 288 | break; |
| 289 | case LTTNG_EVENT_RULE_TYPE_SYSCALL: |
| 290 | print_event_rule_syscall(event_rule); |
| 291 | break; |
| 292 | default: |
| 293 | abort(); |
| 294 | } |
| 295 | } |
| 296 | |
| 297 | static |
| 298 | void print_condition_event_rule_hit(const struct lttng_condition *condition) |
| 299 | { |
| 300 | const struct lttng_event_rule *event_rule; |
| 301 | enum lttng_condition_status condition_status; |
| 302 | |
| 303 | condition_status = |
| 304 | lttng_condition_event_rule_get_rule(condition, &event_rule); |
| 305 | assert(condition_status == LTTNG_CONDITION_STATUS_OK); |
| 306 | |
| 307 | print_event_rule(event_rule); |
| 308 | } |
| 309 | |
| 310 | static |
| 311 | void print_one_action(const struct lttng_action *action) |
| 312 | { |
| 313 | enum lttng_action_type action_type; |
| 314 | enum lttng_action_status action_status; |
| 315 | const char *value; |
| 316 | |
| 317 | action_type = lttng_action_get_type(action); |
| 318 | assert(action_type != LTTNG_ACTION_TYPE_GROUP); |
| 319 | |
| 320 | switch (action_type) { |
| 321 | case LTTNG_ACTION_TYPE_NOTIFY: |
| 322 | MSG("notify"); |
| 323 | break; |
| 324 | case LTTNG_ACTION_TYPE_START_SESSION: |
| 325 | action_status = lttng_action_start_session_get_session_name( |
| 326 | action, &value); |
| 327 | assert(action_status == LTTNG_ACTION_STATUS_OK); |
| 328 | MSG("start session `%s`", value); |
| 329 | break; |
| 330 | case LTTNG_ACTION_TYPE_STOP_SESSION: |
| 331 | action_status = lttng_action_stop_session_get_session_name( |
| 332 | action, &value); |
| 333 | assert(action_status == LTTNG_ACTION_STATUS_OK); |
| 334 | MSG("stop session `%s`", value); |
| 335 | break; |
| 336 | case LTTNG_ACTION_TYPE_ROTATE_SESSION: |
| 337 | action_status = lttng_action_rotate_session_get_session_name( |
| 338 | action, &value); |
| 339 | assert(action_status == LTTNG_ACTION_STATUS_OK); |
| 340 | MSG("rotate session `%s`", value); |
| 341 | break; |
| 342 | case LTTNG_ACTION_TYPE_SNAPSHOT_SESSION: |
| 343 | { |
| 344 | const struct lttng_snapshot_output *output; |
| 345 | |
| 346 | action_status = lttng_action_snapshot_session_get_session_name( |
| 347 | action, &value); |
| 348 | assert(action_status == LTTNG_ACTION_STATUS_OK); |
| 349 | _MSG("snapshot session `%s`", value); |
| 350 | |
| 351 | action_status = lttng_action_snapshot_session_get_output( |
| 352 | action, &output); |
| 353 | if (action_status == LTTNG_ACTION_STATUS_OK) { |
| 354 | const char *name; |
| 355 | uint64_t max_size; |
| 356 | const char *ctrl_url, *data_url; |
| 357 | bool starts_with_file, starts_with_net, starts_with_net6; |
| 358 | |
| 359 | ctrl_url = lttng_snapshot_output_get_ctrl_url(output); |
| 360 | assert(ctrl_url && strlen(ctrl_url) > 0); |
| 361 | |
| 362 | data_url = lttng_snapshot_output_get_data_url(output); |
| 363 | assert(data_url); |
| 364 | |
| 365 | starts_with_file = strncmp(ctrl_url, "file://", strlen("file://")) == 0; |
| 366 | starts_with_net = strncmp(ctrl_url, "net://", strlen("net://")) == 0; |
| 367 | starts_with_net6 = strncmp(ctrl_url, "net6://", strlen("net6://")) == 0; |
| 368 | |
| 369 | if (ctrl_url[0] == '/' || starts_with_file) { |
| 370 | if (starts_with_file) { |
| 371 | ctrl_url += strlen("file://"); |
| 372 | } |
| 373 | |
| 374 | _MSG(", path: %s", ctrl_url); |
| 375 | } else if (starts_with_net || starts_with_net6) { |
| 376 | _MSG(", url: %s", ctrl_url); |
| 377 | } else { |
| 378 | assert(strlen(data_url) > 0); |
| 379 | |
| 380 | _MSG(", control url: %s, data url: %s", ctrl_url, data_url); |
| 381 | } |
| 382 | |
| 383 | name = lttng_snapshot_output_get_name(output); |
| 384 | assert(name); |
| 385 | if (strlen(name) > 0) { |
| 386 | _MSG(", name: %s", name); |
| 387 | } |
| 388 | |
| 389 | max_size = lttng_snapshot_output_get_maxsize(output); |
| 390 | if (max_size != -1ULL) { |
| 391 | _MSG(", max size: %" PRIu64, max_size); |
| 392 | } |
| 393 | } |
| 394 | |
| 395 | MSG(""); |
| 396 | break; |
| 397 | } |
| 398 | |
| 399 | default: |
| 400 | abort(); |
| 401 | } |
| 402 | } |
| 403 | |
| 404 | static |
| 405 | void print_one_trigger(const struct lttng_trigger *trigger) |
| 406 | { |
| 407 | const struct lttng_condition *condition; |
| 408 | enum lttng_condition_type condition_type; |
| 409 | const struct lttng_action *action; |
| 410 | enum lttng_action_type action_type; |
| 411 | enum lttng_trigger_status trigger_status; |
| 412 | const char *name; |
| 413 | enum lttng_trigger_firing_policy firing_policy_type; |
| 414 | uint64_t threshold; |
| 415 | uid_t trigger_uid; |
| 416 | |
| 417 | trigger_status = lttng_trigger_get_name(trigger, &name); |
| 418 | assert(trigger_status == LTTNG_TRIGGER_STATUS_OK); |
| 419 | |
| 420 | trigger_status = lttng_trigger_get_owner_uid(trigger, &trigger_uid); |
| 421 | assert(trigger_status == LTTNG_TRIGGER_STATUS_OK); |
| 422 | |
| 423 | MSG("- id: %s", name); |
| 424 | MSG(" user id: %d", trigger_uid); |
| 425 | |
| 426 | trigger_status = lttng_trigger_get_firing_policy( |
| 427 | trigger, &firing_policy_type, &threshold); |
| 428 | if (trigger_status != LTTNG_TRIGGER_STATUS_OK) { |
| 429 | ERR("Failed to get trigger's policy."); |
| 430 | goto end; |
| 431 | } |
| 432 | |
| 433 | switch (firing_policy_type) { |
| 434 | case LTTNG_TRIGGER_FIRING_POLICY_EVERY_N: |
| 435 | if (threshold > 1) { |
| 436 | MSG(" firing policy: after every %" PRIu64 " occurences", threshold); |
| 437 | } |
| 438 | break; |
| 439 | case LTTNG_TRIGGER_FIRING_POLICY_ONCE_AFTER_N: |
| 440 | MSG(" firing policy: once after %" PRIu64 " occurences", threshold); |
| 441 | break; |
| 442 | default: |
| 443 | abort(); |
| 444 | } |
| 445 | |
| 446 | condition = lttng_trigger_get_const_condition(trigger); |
| 447 | condition_type = lttng_condition_get_type(condition); |
| 448 | MSG(" condition: %s", lttng_condition_type_str(condition_type)); |
| 449 | switch (condition_type) { |
| 450 | case LTTNG_CONDITION_TYPE_EVENT_RULE_HIT: |
| 451 | print_condition_event_rule_hit(condition); |
| 452 | break; |
| 453 | default: |
| 454 | MSG(" (condition type not handled in %s)", __func__); |
| 455 | break; |
| 456 | } |
| 457 | |
| 458 | action = lttng_trigger_get_const_action(trigger); |
| 459 | action_type = lttng_action_get_type(action); |
| 460 | if (action_type == LTTNG_ACTION_TYPE_GROUP) { |
| 461 | unsigned int count, i; |
| 462 | enum lttng_action_status action_status; |
| 463 | |
| 464 | MSG(" actions:"); |
| 465 | |
| 466 | action_status = lttng_action_group_get_count(action, &count); |
| 467 | assert(action_status == LTTNG_ACTION_STATUS_OK); |
| 468 | |
| 469 | for (i = 0; i < count; i++) { |
| 470 | const struct lttng_action *subaction = |
| 471 | lttng_action_group_get_at_index( |
| 472 | action, i); |
| 473 | |
| 474 | _MSG(" "); |
| 475 | print_one_action(subaction); |
| 476 | } |
| 477 | } else { |
| 478 | _MSG(" action:"); |
| 479 | print_one_action(action); |
| 480 | } |
| 481 | |
| 482 | end: |
| 483 | return; |
| 484 | } |
| 485 | |
| 486 | static |
| 487 | int compare_triggers_by_name(const void *a, const void *b) |
| 488 | { |
| 489 | const struct lttng_trigger *trigger_a = *((const struct lttng_trigger **) a); |
| 490 | const struct lttng_trigger *trigger_b = *((const struct lttng_trigger **) b); |
| 491 | const char *name_a, *name_b; |
| 492 | enum lttng_trigger_status trigger_status; |
| 493 | |
| 494 | trigger_status = lttng_trigger_get_name(trigger_a, &name_a); |
| 495 | assert(trigger_status == LTTNG_TRIGGER_STATUS_OK); |
| 496 | |
| 497 | trigger_status = lttng_trigger_get_name(trigger_b, &name_b); |
| 498 | assert(trigger_status == LTTNG_TRIGGER_STATUS_OK); |
| 499 | |
| 500 | return strcmp(name_a, name_b); |
| 501 | } |
| 502 | |
| 503 | int cmd_list_triggers(int argc, const char **argv) |
| 504 | { |
| 505 | int ret; |
| 506 | struct argpar_parse_ret argpar_parse_ret = {}; |
| 507 | struct lttng_triggers *triggers = NULL; |
| 508 | int i; |
| 509 | struct lttng_dynamic_pointer_array sorted_triggers; |
| 510 | enum lttng_trigger_status trigger_status; |
| 511 | unsigned int num_triggers; |
| 512 | |
| 513 | lttng_dynamic_pointer_array_init(&sorted_triggers, NULL); |
| 514 | |
| 515 | argpar_parse_ret = argpar_parse( |
| 516 | argc - 1, argv + 1, list_trigger_options, true); |
| 517 | if (!argpar_parse_ret.items) { |
| 518 | ERR("%s", argpar_parse_ret.error); |
| 519 | goto error; |
| 520 | } |
| 521 | |
| 522 | for (i = 0; i < argpar_parse_ret.items->n_items; i++) { |
| 523 | const struct argpar_item *item = |
| 524 | argpar_parse_ret.items->items[i]; |
| 525 | |
| 526 | if (item->type == ARGPAR_ITEM_TYPE_OPT) { |
| 527 | const struct argpar_item_opt *item_opt = |
| 528 | (const struct argpar_item_opt *) item; |
| 529 | |
| 530 | switch (item_opt->descr->id) { |
| 531 | case OPT_HELP: |
| 532 | SHOW_HELP(); |
| 533 | ret = 0; |
| 534 | goto end; |
| 535 | |
| 536 | case OPT_LIST_OPTIONS: |
| 537 | list_cmd_options_argpar(stdout, |
| 538 | list_trigger_options); |
| 539 | ret = 0; |
| 540 | goto end; |
| 541 | |
| 542 | default: |
| 543 | abort(); |
| 544 | } |
| 545 | |
| 546 | } else { |
| 547 | const struct argpar_item_non_opt *item_non_opt = |
| 548 | (const struct argpar_item_non_opt *) item; |
| 549 | |
| 550 | ERR("Unexpected argument: %s", item_non_opt->arg); |
| 551 | } |
| 552 | } |
| 553 | |
| 554 | ret = lttng_list_triggers(&triggers); |
| 555 | if (ret != LTTNG_OK) { |
| 556 | ERR("Error listing triggers: %s.", lttng_strerror(-ret)); |
| 557 | goto error; |
| 558 | } |
| 559 | |
| 560 | trigger_status = lttng_triggers_get_count(triggers, &num_triggers); |
| 561 | if (trigger_status != LTTNG_TRIGGER_STATUS_OK) { |
| 562 | ERR("Failed to get trigger count."); |
| 563 | goto error; |
| 564 | } |
| 565 | |
| 566 | for (i = 0; i < num_triggers; i++) { |
| 567 | const int add_ret = lttng_dynamic_pointer_array_add_pointer( |
| 568 | &sorted_triggers, |
| 569 | (void *) lttng_triggers_get_at_index(triggers, i)); |
| 570 | |
| 571 | if (add_ret) { |
| 572 | ERR("Failed to allocate array of struct lttng_trigger *."); |
| 573 | goto error; |
| 574 | } |
| 575 | } |
| 576 | |
| 577 | qsort(sorted_triggers.array.buffer.data, num_triggers, |
| 578 | sizeof(struct lttng_trigger *), |
| 579 | compare_triggers_by_name); |
| 580 | |
| 581 | for (i = 0; i < num_triggers; i++) { |
| 582 | const struct lttng_trigger *trigger_to_print = |
| 583 | (const struct lttng_trigger *) |
| 584 | lttng_dynamic_pointer_array_get_pointer( |
| 585 | &sorted_triggers, i); |
| 586 | |
| 587 | print_one_trigger(trigger_to_print); |
| 588 | } |
| 589 | |
| 590 | ret = 0; |
| 591 | goto end; |
| 592 | |
| 593 | error: |
| 594 | ret = 1; |
| 595 | |
| 596 | end: |
| 597 | argpar_parse_ret_fini(&argpar_parse_ret); |
| 598 | lttng_triggers_destroy(triggers); |
| 599 | lttng_dynamic_pointer_array_reset(&sorted_triggers); |
| 600 | |
| 601 | return ret; |
| 602 | } |