| 1 | /* |
| 2 | * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca> |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0-only |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #define _LGPL_SOURCE |
| 9 | #include <inttypes.h> |
| 10 | #include <popt.h> |
| 11 | #include <stdio.h> |
| 12 | #include <stdlib.h> |
| 13 | #include <string.h> |
| 14 | #include <assert.h> |
| 15 | |
| 16 | #include <common/mi-lttng.h> |
| 17 | #include <common/time.h> |
| 18 | #include <lttng/constant.h> |
| 19 | #include <lttng/tracker.h> |
| 20 | |
| 21 | #include "../command.h" |
| 22 | |
| 23 | static int opt_userspace; |
| 24 | static int opt_kernel; |
| 25 | static int opt_jul; |
| 26 | static int opt_log4j; |
| 27 | static int opt_python; |
| 28 | static char *opt_channel; |
| 29 | static int opt_domain; |
| 30 | static int opt_fields; |
| 31 | static int opt_syscall; |
| 32 | |
| 33 | const char *indent4 = " "; |
| 34 | const char *indent6 = " "; |
| 35 | const char *indent8 = " "; |
| 36 | |
| 37 | #ifdef LTTNG_EMBED_HELP |
| 38 | static const char help_msg[] = |
| 39 | #include <lttng-list.1.h> |
| 40 | ; |
| 41 | #endif |
| 42 | |
| 43 | enum { |
| 44 | OPT_HELP = 1, |
| 45 | OPT_USERSPACE, |
| 46 | OPT_LIST_OPTIONS, |
| 47 | }; |
| 48 | |
| 49 | static struct lttng_handle *handle; |
| 50 | static struct mi_writer *writer; |
| 51 | |
| 52 | /* Only set when listing a single session. */ |
| 53 | static struct lttng_session listed_session; |
| 54 | |
| 55 | static struct poptOption long_options[] = { |
| 56 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ |
| 57 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, |
| 58 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, |
| 59 | {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0}, |
| 60 | {"log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0}, |
| 61 | {"python", 'p', POPT_ARG_VAL, &opt_python, 1, 0, 0}, |
| 62 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, |
| 63 | {"channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0}, |
| 64 | {"domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0}, |
| 65 | {"fields", 'f', POPT_ARG_VAL, &opt_fields, 1, 0, 0}, |
| 66 | {"syscall", 'S', POPT_ARG_VAL, &opt_syscall, 1, 0, 0}, |
| 67 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
| 68 | {0, 0, 0, 0, 0, 0, 0} |
| 69 | }; |
| 70 | |
| 71 | /* |
| 72 | * Get command line from /proc for a specific pid. |
| 73 | * |
| 74 | * On success, return an allocated string pointer to the proc cmdline. |
| 75 | * On error, return NULL. |
| 76 | */ |
| 77 | static char *get_cmdline_by_pid(pid_t pid) |
| 78 | { |
| 79 | int ret; |
| 80 | FILE *fp = NULL; |
| 81 | char *cmdline = NULL; |
| 82 | /* Can't go bigger than /proc/LTTNG_MAX_PID/cmdline */ |
| 83 | char path[sizeof("/proc//cmdline") + sizeof(LTTNG_MAX_PID_STR) - 1]; |
| 84 | |
| 85 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); |
| 86 | fp = fopen(path, "r"); |
| 87 | if (fp == NULL) { |
| 88 | goto end; |
| 89 | } |
| 90 | |
| 91 | /* Caller must free() *cmdline */ |
| 92 | cmdline = zmalloc(PATH_MAX); |
| 93 | if (!cmdline) { |
| 94 | PERROR("malloc cmdline"); |
| 95 | goto end; |
| 96 | } |
| 97 | ret = fread(cmdline, 1, PATH_MAX, fp); |
| 98 | if (ret < 0) { |
| 99 | PERROR("fread proc list"); |
| 100 | } |
| 101 | |
| 102 | end: |
| 103 | if (fp) { |
| 104 | fclose(fp); |
| 105 | } |
| 106 | return cmdline; |
| 107 | } |
| 108 | |
| 109 | static |
| 110 | const char *active_string(int value) |
| 111 | { |
| 112 | switch (value) { |
| 113 | case 0: return "inactive"; |
| 114 | case 1: return "active"; |
| 115 | case -1: return ""; |
| 116 | default: return NULL; |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | static const char *snapshot_string(int value) |
| 121 | { |
| 122 | switch (value) { |
| 123 | case 1: |
| 124 | return " snapshot"; |
| 125 | default: |
| 126 | return ""; |
| 127 | } |
| 128 | } |
| 129 | |
| 130 | static |
| 131 | const char *enabled_string(int value) |
| 132 | { |
| 133 | switch (value) { |
| 134 | case 0: return " [disabled]"; |
| 135 | case 1: return " [enabled]"; |
| 136 | case -1: return ""; |
| 137 | default: return NULL; |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | static |
| 142 | const char *safe_string(const char *str) |
| 143 | { |
| 144 | return str ? str : ""; |
| 145 | } |
| 146 | |
| 147 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
| 148 | { |
| 149 | switch (value) { |
| 150 | case LTTNG_EVENT_LOGLEVEL_ALL: |
| 151 | return ":"; |
| 152 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
| 153 | return " <="; |
| 154 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
| 155 | return " =="; |
| 156 | default: |
| 157 | return " <<TYPE UNKN>>"; |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | static const char *bitness_event(enum lttng_event_flag flags) |
| 162 | { |
| 163 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_32) { |
| 164 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { |
| 165 | return " [32/64-bit]"; |
| 166 | } else { |
| 167 | return " [32-bit]"; |
| 168 | } |
| 169 | } else if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { |
| 170 | return " [64-bit]"; |
| 171 | } else { |
| 172 | return ""; |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | /* |
| 177 | * Get exclusion names message for a single event. |
| 178 | * |
| 179 | * Returned pointer must be freed by caller. Returns NULL on error. |
| 180 | */ |
| 181 | static char *get_exclusion_names_msg(struct lttng_event *event) |
| 182 | { |
| 183 | int ret; |
| 184 | int exclusion_count; |
| 185 | char *exclusion_msg = NULL; |
| 186 | char *at; |
| 187 | size_t i; |
| 188 | const char * const exclusion_fmt = " [exclusions: "; |
| 189 | const size_t exclusion_fmt_len = strlen(exclusion_fmt); |
| 190 | |
| 191 | exclusion_count = lttng_event_get_exclusion_name_count(event); |
| 192 | if (exclusion_count < 0) { |
| 193 | goto end; |
| 194 | } else if (exclusion_count == 0) { |
| 195 | /* |
| 196 | * No exclusions: return copy of empty string so that |
| 197 | * it can be freed by caller. |
| 198 | */ |
| 199 | exclusion_msg = strdup(""); |
| 200 | goto end; |
| 201 | } |
| 202 | |
| 203 | /* |
| 204 | * exclusion_msg's size is bounded by the exclusion_fmt string, |
| 205 | * a comma per entry, the entry count (fixed-size), a closing |
| 206 | * bracket, and a trailing \0. |
| 207 | */ |
| 208 | exclusion_msg = malloc(exclusion_count + |
| 209 | exclusion_count * LTTNG_SYMBOL_NAME_LEN + |
| 210 | exclusion_fmt_len + 1); |
| 211 | if (!exclusion_msg) { |
| 212 | goto end; |
| 213 | } |
| 214 | |
| 215 | at = strcpy(exclusion_msg, exclusion_fmt) + exclusion_fmt_len; |
| 216 | for (i = 0; i < exclusion_count; ++i) { |
| 217 | const char *name; |
| 218 | |
| 219 | /* Append comma between exclusion names */ |
| 220 | if (i > 0) { |
| 221 | *at = ','; |
| 222 | at++; |
| 223 | } |
| 224 | |
| 225 | ret = lttng_event_get_exclusion_name(event, i, &name); |
| 226 | if (ret) { |
| 227 | /* Prints '?' on local error; should never happen */ |
| 228 | *at = '?'; |
| 229 | at++; |
| 230 | continue; |
| 231 | } |
| 232 | |
| 233 | /* Append exclusion name */ |
| 234 | at += sprintf(at, "%s", name); |
| 235 | } |
| 236 | |
| 237 | /* This also puts a final '\0' at the end of exclusion_msg */ |
| 238 | strcpy(at, "]"); |
| 239 | |
| 240 | end: |
| 241 | return exclusion_msg; |
| 242 | } |
| 243 | |
| 244 | static void print_userspace_probe_location(struct lttng_event *event) |
| 245 | { |
| 246 | const struct lttng_userspace_probe_location *location; |
| 247 | const struct lttng_userspace_probe_location_lookup_method *lookup_method; |
| 248 | enum lttng_userspace_probe_location_lookup_method_type lookup_type; |
| 249 | |
| 250 | location = lttng_event_get_userspace_probe_location(event); |
| 251 | if (!location) { |
| 252 | MSG("Event has no userspace probe location"); |
| 253 | return; |
| 254 | } |
| 255 | |
| 256 | lookup_method = lttng_userspace_probe_location_get_lookup_method(location); |
| 257 | if (!lookup_method) { |
| 258 | MSG("Event has no userspace probe location lookup method"); |
| 259 | return; |
| 260 | } |
| 261 | |
| 262 | MSG("%s%s (type: userspace-probe)%s", indent6, event->name, enabled_string(event->enabled)); |
| 263 | |
| 264 | lookup_type = lttng_userspace_probe_location_lookup_method_get_type(lookup_method); |
| 265 | |
| 266 | switch (lttng_userspace_probe_location_get_type(location)) { |
| 267 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_UNKNOWN: |
| 268 | MSG("%sType: Unknown", indent8); |
| 269 | break; |
| 270 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION: |
| 271 | { |
| 272 | const char *function_name; |
| 273 | const char *binary_path; |
| 274 | |
| 275 | MSG("%sType: Function", indent8); |
| 276 | function_name = lttng_userspace_probe_location_function_get_function_name(location); |
| 277 | binary_path = realpath(lttng_userspace_probe_location_function_get_binary_path(location), NULL); |
| 278 | |
| 279 | MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL"); |
| 280 | MSG("%sFunction: %s()", indent8, function_name ? function_name : "NULL"); |
| 281 | switch (lookup_type) { |
| 282 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF: |
| 283 | MSG("%sLookup method: ELF", indent8); |
| 284 | break; |
| 285 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_DEFAULT: |
| 286 | MSG("%sLookup method: default", indent8); |
| 287 | break; |
| 288 | default: |
| 289 | MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8); |
| 290 | break; |
| 291 | } |
| 292 | break; |
| 293 | } |
| 294 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT: |
| 295 | { |
| 296 | const char *probe_name, *provider_name; |
| 297 | const char *binary_path; |
| 298 | |
| 299 | MSG("%sType: Tracepoint", indent8); |
| 300 | probe_name = lttng_userspace_probe_location_tracepoint_get_probe_name(location); |
| 301 | provider_name = lttng_userspace_probe_location_tracepoint_get_provider_name(location); |
| 302 | binary_path = realpath(lttng_userspace_probe_location_tracepoint_get_binary_path(location), NULL); |
| 303 | MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL"); |
| 304 | MSG("%sTracepoint: %s:%s", indent8, provider_name ? provider_name : "NULL", probe_name ? probe_name : "NULL"); |
| 305 | switch (lookup_type) { |
| 306 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_TRACEPOINT_SDT: |
| 307 | MSG("%sLookup method: SDT", indent8); |
| 308 | break; |
| 309 | default: |
| 310 | MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8); |
| 311 | break; |
| 312 | } |
| 313 | break; |
| 314 | } |
| 315 | default: |
| 316 | ERR("Invalid probe type encountered"); |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | /* |
| 321 | * Pretty print single event. |
| 322 | */ |
| 323 | static void print_events(struct lttng_event *event) |
| 324 | { |
| 325 | int ret; |
| 326 | const char *filter_str; |
| 327 | char *filter_msg = NULL; |
| 328 | char *exclusion_msg = NULL; |
| 329 | |
| 330 | ret = lttng_event_get_filter_expression(event, &filter_str); |
| 331 | |
| 332 | if (ret) { |
| 333 | filter_msg = strdup(" [failed to retrieve filter]"); |
| 334 | } else if (filter_str) { |
| 335 | const char * const filter_fmt = " [filter: '%s']"; |
| 336 | |
| 337 | filter_msg = malloc(strlen(filter_str) + |
| 338 | strlen(filter_fmt) + 1); |
| 339 | if (filter_msg) { |
| 340 | sprintf(filter_msg, filter_fmt, |
| 341 | filter_str); |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | exclusion_msg = get_exclusion_names_msg(event); |
| 346 | if (!exclusion_msg) { |
| 347 | exclusion_msg = strdup(" [failed to retrieve exclusions]"); |
| 348 | } |
| 349 | |
| 350 | switch (event->type) { |
| 351 | case LTTNG_EVENT_TRACEPOINT: |
| 352 | { |
| 353 | if (event->loglevel != -1) { |
| 354 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
| 355 | indent6, |
| 356 | event->name, |
| 357 | logleveltype_string(event->loglevel_type), |
| 358 | mi_lttng_loglevel_string(event->loglevel, handle->domain.type), |
| 359 | event->loglevel, |
| 360 | enabled_string(event->enabled), |
| 361 | safe_string(exclusion_msg), |
| 362 | safe_string(filter_msg)); |
| 363 | } else { |
| 364 | MSG("%s%s (type: tracepoint)%s%s%s", |
| 365 | indent6, |
| 366 | event->name, |
| 367 | enabled_string(event->enabled), |
| 368 | safe_string(exclusion_msg), |
| 369 | safe_string(filter_msg)); |
| 370 | } |
| 371 | break; |
| 372 | } |
| 373 | case LTTNG_EVENT_FUNCTION: |
| 374 | MSG("%s%s (type: function)%s%s", indent6, |
| 375 | event->name, enabled_string(event->enabled), |
| 376 | safe_string(filter_msg)); |
| 377 | if (event->attr.probe.addr != 0) { |
| 378 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); |
| 379 | } else { |
| 380 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); |
| 381 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); |
| 382 | } |
| 383 | break; |
| 384 | case LTTNG_EVENT_PROBE: |
| 385 | MSG("%s%s (type: probe)%s%s", indent6, |
| 386 | event->name, enabled_string(event->enabled), |
| 387 | safe_string(filter_msg)); |
| 388 | if (event->attr.probe.addr != 0) { |
| 389 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); |
| 390 | } else { |
| 391 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); |
| 392 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); |
| 393 | } |
| 394 | break; |
| 395 | case LTTNG_EVENT_USERSPACE_PROBE: |
| 396 | print_userspace_probe_location(event); |
| 397 | break; |
| 398 | case LTTNG_EVENT_FUNCTION_ENTRY: |
| 399 | MSG("%s%s (type: function)%s%s", indent6, |
| 400 | event->name, enabled_string(event->enabled), |
| 401 | safe_string(filter_msg)); |
| 402 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
| 403 | break; |
| 404 | case LTTNG_EVENT_SYSCALL: |
| 405 | MSG("%s%s%s%s%s%s", indent6, event->name, |
| 406 | (opt_syscall ? "" : " (type:syscall)"), |
| 407 | enabled_string(event->enabled), |
| 408 | bitness_event(event->flags), |
| 409 | safe_string(filter_msg)); |
| 410 | break; |
| 411 | case LTTNG_EVENT_NOOP: |
| 412 | MSG("%s (type: noop)%s%s", indent6, |
| 413 | enabled_string(event->enabled), |
| 414 | safe_string(filter_msg)); |
| 415 | break; |
| 416 | case LTTNG_EVENT_ALL: |
| 417 | /* Fall-through. */ |
| 418 | default: |
| 419 | /* We should never have "all" events in list. */ |
| 420 | assert(0); |
| 421 | break; |
| 422 | } |
| 423 | |
| 424 | free(filter_msg); |
| 425 | free(exclusion_msg); |
| 426 | } |
| 427 | |
| 428 | static const char *field_type(struct lttng_event_field *field) |
| 429 | { |
| 430 | switch(field->type) { |
| 431 | case LTTNG_EVENT_FIELD_INTEGER: |
| 432 | return "integer"; |
| 433 | case LTTNG_EVENT_FIELD_ENUM: |
| 434 | return "enum"; |
| 435 | case LTTNG_EVENT_FIELD_FLOAT: |
| 436 | return "float"; |
| 437 | case LTTNG_EVENT_FIELD_STRING: |
| 438 | return "string"; |
| 439 | case LTTNG_EVENT_FIELD_OTHER: |
| 440 | default: /* fall-through */ |
| 441 | return "unknown"; |
| 442 | } |
| 443 | } |
| 444 | |
| 445 | /* |
| 446 | * Pretty print single event fields. |
| 447 | */ |
| 448 | static void print_event_field(struct lttng_event_field *field) |
| 449 | { |
| 450 | if (!field->field_name[0]) { |
| 451 | return; |
| 452 | } |
| 453 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
| 454 | field_type(field), field->nowrite ? " [no write]" : ""); |
| 455 | } |
| 456 | |
| 457 | /* |
| 458 | * Machine interface |
| 459 | * Jul and ust event listing |
| 460 | */ |
| 461 | static int mi_list_agent_ust_events(struct lttng_event *events, int count, |
| 462 | struct lttng_domain *domain) |
| 463 | { |
| 464 | int ret, i; |
| 465 | pid_t cur_pid = 0; |
| 466 | char *cmdline = NULL; |
| 467 | int pid_element_open = 0; |
| 468 | |
| 469 | /* Open domains element */ |
| 470 | ret = mi_lttng_domains_open(writer); |
| 471 | if (ret) { |
| 472 | goto end; |
| 473 | } |
| 474 | |
| 475 | /* Write domain */ |
| 476 | ret = mi_lttng_domain(writer, domain, 1); |
| 477 | if (ret) { |
| 478 | goto end; |
| 479 | } |
| 480 | |
| 481 | /* Open pids element element */ |
| 482 | ret = mi_lttng_pids_open(writer); |
| 483 | if (ret) { |
| 484 | goto end; |
| 485 | } |
| 486 | |
| 487 | for (i = 0; i < count; i++) { |
| 488 | if (cur_pid != events[i].pid) { |
| 489 | if (pid_element_open) { |
| 490 | /* Close the previous events and pid element */ |
| 491 | ret = mi_lttng_close_multi_element(writer, 2); |
| 492 | if (ret) { |
| 493 | goto end; |
| 494 | } |
| 495 | pid_element_open = 0; |
| 496 | } |
| 497 | |
| 498 | cur_pid = events[i].pid; |
| 499 | cmdline = get_cmdline_by_pid(cur_pid); |
| 500 | if (!cmdline) { |
| 501 | ret = CMD_ERROR; |
| 502 | goto end; |
| 503 | } |
| 504 | |
| 505 | if (!pid_element_open) { |
| 506 | /* Open and write a pid element */ |
| 507 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); |
| 508 | if (ret) { |
| 509 | goto error; |
| 510 | } |
| 511 | |
| 512 | /* Open events element */ |
| 513 | ret = mi_lttng_events_open(writer); |
| 514 | if (ret) { |
| 515 | goto error; |
| 516 | } |
| 517 | |
| 518 | pid_element_open = 1; |
| 519 | } |
| 520 | free(cmdline); |
| 521 | } |
| 522 | |
| 523 | /* Write an event */ |
| 524 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
| 525 | if (ret) { |
| 526 | goto end; |
| 527 | } |
| 528 | } |
| 529 | |
| 530 | /* Close pids */ |
| 531 | ret = mi_lttng_writer_close_element(writer); |
| 532 | if (ret) { |
| 533 | goto end; |
| 534 | } |
| 535 | |
| 536 | /* Close domain, domains */ |
| 537 | ret = mi_lttng_close_multi_element(writer, 2); |
| 538 | end: |
| 539 | return ret; |
| 540 | error: |
| 541 | free(cmdline); |
| 542 | return ret; |
| 543 | } |
| 544 | |
| 545 | static int list_agent_events(void) |
| 546 | { |
| 547 | int i, size, ret = CMD_SUCCESS; |
| 548 | struct lttng_domain domain; |
| 549 | struct lttng_handle *handle = NULL; |
| 550 | struct lttng_event *event_list = NULL; |
| 551 | pid_t cur_pid = 0; |
| 552 | char *cmdline = NULL; |
| 553 | const char *agent_domain_str; |
| 554 | |
| 555 | memset(&domain, 0, sizeof(domain)); |
| 556 | if (opt_jul) { |
| 557 | domain.type = LTTNG_DOMAIN_JUL; |
| 558 | } else if (opt_log4j) { |
| 559 | domain.type = LTTNG_DOMAIN_LOG4J; |
| 560 | } else if (opt_python) { |
| 561 | domain.type = LTTNG_DOMAIN_PYTHON; |
| 562 | } else { |
| 563 | ERR("Invalid agent domain selected."); |
| 564 | ret = CMD_ERROR; |
| 565 | goto error; |
| 566 | } |
| 567 | |
| 568 | agent_domain_str = get_domain_str(domain.type); |
| 569 | |
| 570 | DBG("Getting %s tracing events", agent_domain_str); |
| 571 | |
| 572 | handle = lttng_create_handle(NULL, &domain); |
| 573 | if (handle == NULL) { |
| 574 | ret = CMD_ERROR; |
| 575 | goto end; |
| 576 | } |
| 577 | |
| 578 | size = lttng_list_tracepoints(handle, &event_list); |
| 579 | if (size < 0) { |
| 580 | ERR("Unable to list %s events: %s", agent_domain_str, |
| 581 | lttng_strerror(size)); |
| 582 | ret = CMD_ERROR; |
| 583 | goto end; |
| 584 | } |
| 585 | |
| 586 | if (lttng_opt_mi) { |
| 587 | /* Mi print */ |
| 588 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
| 589 | if (ret) { |
| 590 | ret = CMD_ERROR; |
| 591 | goto error; |
| 592 | } |
| 593 | } else { |
| 594 | /* Pretty print */ |
| 595 | MSG("%s events (Logger name):\n-------------------------", |
| 596 | agent_domain_str); |
| 597 | |
| 598 | if (size == 0) { |
| 599 | MSG("None"); |
| 600 | } |
| 601 | |
| 602 | for (i = 0; i < size; i++) { |
| 603 | if (cur_pid != event_list[i].pid) { |
| 604 | cur_pid = event_list[i].pid; |
| 605 | cmdline = get_cmdline_by_pid(cur_pid); |
| 606 | if (cmdline == NULL) { |
| 607 | ret = CMD_ERROR; |
| 608 | goto error; |
| 609 | } |
| 610 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); |
| 611 | free(cmdline); |
| 612 | } |
| 613 | MSG("%s- %s", indent6, event_list[i].name); |
| 614 | } |
| 615 | |
| 616 | MSG(""); |
| 617 | } |
| 618 | |
| 619 | error: |
| 620 | free(event_list); |
| 621 | end: |
| 622 | lttng_destroy_handle(handle); |
| 623 | return ret; |
| 624 | } |
| 625 | |
| 626 | /* |
| 627 | * Ask session daemon for all user space tracepoints available. |
| 628 | */ |
| 629 | static int list_ust_events(void) |
| 630 | { |
| 631 | int i, size, ret = CMD_SUCCESS; |
| 632 | struct lttng_domain domain; |
| 633 | struct lttng_handle *handle; |
| 634 | struct lttng_event *event_list = NULL; |
| 635 | pid_t cur_pid = 0; |
| 636 | char *cmdline = NULL; |
| 637 | |
| 638 | memset(&domain, 0, sizeof(domain)); |
| 639 | |
| 640 | DBG("Getting UST tracing events"); |
| 641 | |
| 642 | domain.type = LTTNG_DOMAIN_UST; |
| 643 | |
| 644 | handle = lttng_create_handle(NULL, &domain); |
| 645 | if (handle == NULL) { |
| 646 | ret = CMD_ERROR; |
| 647 | goto end; |
| 648 | } |
| 649 | |
| 650 | size = lttng_list_tracepoints(handle, &event_list); |
| 651 | if (size < 0) { |
| 652 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
| 653 | ret = CMD_ERROR; |
| 654 | goto error; |
| 655 | } |
| 656 | |
| 657 | if (lttng_opt_mi) { |
| 658 | /* Mi print */ |
| 659 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
| 660 | } else { |
| 661 | /* Pretty print */ |
| 662 | MSG("UST events:\n-------------"); |
| 663 | |
| 664 | if (size == 0) { |
| 665 | MSG("None"); |
| 666 | } |
| 667 | |
| 668 | for (i = 0; i < size; i++) { |
| 669 | if (cur_pid != event_list[i].pid) { |
| 670 | cur_pid = event_list[i].pid; |
| 671 | cmdline = get_cmdline_by_pid(cur_pid); |
| 672 | if (cmdline == NULL) { |
| 673 | ret = CMD_ERROR; |
| 674 | goto error; |
| 675 | } |
| 676 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); |
| 677 | free(cmdline); |
| 678 | } |
| 679 | print_events(&event_list[i]); |
| 680 | } |
| 681 | |
| 682 | MSG(""); |
| 683 | } |
| 684 | |
| 685 | error: |
| 686 | free(event_list); |
| 687 | end: |
| 688 | lttng_destroy_handle(handle); |
| 689 | return ret; |
| 690 | } |
| 691 | |
| 692 | /* |
| 693 | * Machine interface |
| 694 | * List all ust event with their fields |
| 695 | */ |
| 696 | static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count, |
| 697 | struct lttng_domain *domain) |
| 698 | { |
| 699 | int ret, i; |
| 700 | pid_t cur_pid = 0; |
| 701 | char *cmdline = NULL; |
| 702 | int pid_element_open = 0; |
| 703 | int event_element_open = 0; |
| 704 | struct lttng_event cur_event; |
| 705 | |
| 706 | memset(&cur_event, 0, sizeof(cur_event)); |
| 707 | |
| 708 | /* Open domains element */ |
| 709 | ret = mi_lttng_domains_open(writer); |
| 710 | if (ret) { |
| 711 | goto end; |
| 712 | } |
| 713 | |
| 714 | /* Write domain */ |
| 715 | ret = mi_lttng_domain(writer, domain, 1); |
| 716 | if (ret) { |
| 717 | goto end; |
| 718 | } |
| 719 | |
| 720 | /* Open pids element */ |
| 721 | ret = mi_lttng_pids_open(writer); |
| 722 | if (ret) { |
| 723 | goto end; |
| 724 | } |
| 725 | |
| 726 | for (i = 0; i < count; i++) { |
| 727 | if (cur_pid != fields[i].event.pid) { |
| 728 | if (pid_element_open) { |
| 729 | if (event_element_open) { |
| 730 | /* Close the previous field element and event. */ |
| 731 | ret = mi_lttng_close_multi_element(writer, 2); |
| 732 | if (ret) { |
| 733 | goto end; |
| 734 | } |
| 735 | event_element_open = 0; |
| 736 | } |
| 737 | /* Close the previous events, pid element */ |
| 738 | ret = mi_lttng_close_multi_element(writer, 2); |
| 739 | if (ret) { |
| 740 | goto end; |
| 741 | } |
| 742 | pid_element_open = 0; |
| 743 | } |
| 744 | |
| 745 | cur_pid = fields[i].event.pid; |
| 746 | cmdline = get_cmdline_by_pid(cur_pid); |
| 747 | if (!pid_element_open) { |
| 748 | /* Open and write a pid element */ |
| 749 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); |
| 750 | if (ret) { |
| 751 | goto error; |
| 752 | } |
| 753 | |
| 754 | /* Open events element */ |
| 755 | ret = mi_lttng_events_open(writer); |
| 756 | if (ret) { |
| 757 | goto error; |
| 758 | } |
| 759 | pid_element_open = 1; |
| 760 | } |
| 761 | free(cmdline); |
| 762 | /* Wipe current event since we are about to print a new PID. */ |
| 763 | memset(&cur_event, 0, sizeof(cur_event)); |
| 764 | } |
| 765 | |
| 766 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
| 767 | if (event_element_open) { |
| 768 | /* Close the previous fields element and the previous event */ |
| 769 | ret = mi_lttng_close_multi_element(writer, 2); |
| 770 | if (ret) { |
| 771 | goto end; |
| 772 | } |
| 773 | event_element_open = 0; |
| 774 | } |
| 775 | |
| 776 | memcpy(&cur_event, &fields[i].event, |
| 777 | sizeof(cur_event)); |
| 778 | |
| 779 | if (!event_element_open) { |
| 780 | /* Open and write the event */ |
| 781 | ret = mi_lttng_event(writer, &cur_event, 1, |
| 782 | handle->domain.type); |
| 783 | if (ret) { |
| 784 | goto end; |
| 785 | } |
| 786 | |
| 787 | /* Open a fields element */ |
| 788 | ret = mi_lttng_event_fields_open(writer); |
| 789 | if (ret) { |
| 790 | goto end; |
| 791 | } |
| 792 | event_element_open = 1; |
| 793 | } |
| 794 | } |
| 795 | |
| 796 | /* Print the event_field */ |
| 797 | ret = mi_lttng_event_field(writer, &fields[i]); |
| 798 | if (ret) { |
| 799 | goto end; |
| 800 | } |
| 801 | } |
| 802 | |
| 803 | /* Close pids, domain, domains */ |
| 804 | ret = mi_lttng_close_multi_element(writer, 3); |
| 805 | end: |
| 806 | return ret; |
| 807 | error: |
| 808 | free(cmdline); |
| 809 | return ret; |
| 810 | } |
| 811 | |
| 812 | /* |
| 813 | * Ask session daemon for all user space tracepoint fields available. |
| 814 | */ |
| 815 | static int list_ust_event_fields(void) |
| 816 | { |
| 817 | int i, size, ret = CMD_SUCCESS; |
| 818 | struct lttng_domain domain; |
| 819 | struct lttng_handle *handle; |
| 820 | struct lttng_event_field *event_field_list; |
| 821 | pid_t cur_pid = 0; |
| 822 | char *cmdline = NULL; |
| 823 | |
| 824 | struct lttng_event cur_event; |
| 825 | |
| 826 | memset(&domain, 0, sizeof(domain)); |
| 827 | memset(&cur_event, 0, sizeof(cur_event)); |
| 828 | |
| 829 | DBG("Getting UST tracing event fields"); |
| 830 | |
| 831 | domain.type = LTTNG_DOMAIN_UST; |
| 832 | |
| 833 | handle = lttng_create_handle(NULL, &domain); |
| 834 | if (handle == NULL) { |
| 835 | ret = CMD_ERROR; |
| 836 | goto end; |
| 837 | } |
| 838 | |
| 839 | size = lttng_list_tracepoint_fields(handle, &event_field_list); |
| 840 | if (size < 0) { |
| 841 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
| 842 | ret = CMD_ERROR; |
| 843 | goto end; |
| 844 | } |
| 845 | |
| 846 | if (lttng_opt_mi) { |
| 847 | /* Mi print */ |
| 848 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); |
| 849 | if (ret) { |
| 850 | ret = CMD_ERROR; |
| 851 | goto error; |
| 852 | } |
| 853 | } else { |
| 854 | /* Pretty print */ |
| 855 | MSG("UST events:\n-------------"); |
| 856 | |
| 857 | if (size == 0) { |
| 858 | MSG("None"); |
| 859 | } |
| 860 | |
| 861 | for (i = 0; i < size; i++) { |
| 862 | if (cur_pid != event_field_list[i].event.pid) { |
| 863 | cur_pid = event_field_list[i].event.pid; |
| 864 | cmdline = get_cmdline_by_pid(cur_pid); |
| 865 | if (cmdline == NULL) { |
| 866 | ret = CMD_ERROR; |
| 867 | goto error; |
| 868 | } |
| 869 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); |
| 870 | free(cmdline); |
| 871 | /* Wipe current event since we are about to print a new PID. */ |
| 872 | memset(&cur_event, 0, sizeof(cur_event)); |
| 873 | } |
| 874 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { |
| 875 | print_events(&event_field_list[i].event); |
| 876 | memcpy(&cur_event, &event_field_list[i].event, |
| 877 | sizeof(cur_event)); |
| 878 | } |
| 879 | print_event_field(&event_field_list[i]); |
| 880 | } |
| 881 | |
| 882 | MSG(""); |
| 883 | } |
| 884 | |
| 885 | error: |
| 886 | free(event_field_list); |
| 887 | end: |
| 888 | lttng_destroy_handle(handle); |
| 889 | return ret; |
| 890 | } |
| 891 | |
| 892 | /* |
| 893 | * Machine interface |
| 894 | * Print a list of kernel events |
| 895 | */ |
| 896 | static int mi_list_kernel_events(struct lttng_event *events, int count, |
| 897 | struct lttng_domain *domain) |
| 898 | { |
| 899 | int ret, i; |
| 900 | |
| 901 | /* Open domains element */ |
| 902 | ret = mi_lttng_domains_open(writer); |
| 903 | if (ret) { |
| 904 | goto end; |
| 905 | } |
| 906 | |
| 907 | /* Write domain */ |
| 908 | ret = mi_lttng_domain(writer, domain, 1); |
| 909 | if (ret) { |
| 910 | goto end; |
| 911 | } |
| 912 | |
| 913 | /* Open events */ |
| 914 | ret = mi_lttng_events_open(writer); |
| 915 | if (ret) { |
| 916 | goto end; |
| 917 | } |
| 918 | |
| 919 | for (i = 0; i < count; i++) { |
| 920 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
| 921 | if (ret) { |
| 922 | goto end; |
| 923 | } |
| 924 | } |
| 925 | |
| 926 | /* close events, domain and domains */ |
| 927 | ret = mi_lttng_close_multi_element(writer, 3); |
| 928 | if (ret) { |
| 929 | goto end; |
| 930 | } |
| 931 | |
| 932 | end: |
| 933 | return ret; |
| 934 | } |
| 935 | |
| 936 | /* |
| 937 | * Ask for all trace events in the kernel |
| 938 | */ |
| 939 | static int list_kernel_events(void) |
| 940 | { |
| 941 | int i, size, ret = CMD_SUCCESS; |
| 942 | struct lttng_domain domain; |
| 943 | struct lttng_handle *handle; |
| 944 | struct lttng_event *event_list; |
| 945 | |
| 946 | memset(&domain, 0, sizeof(domain)); |
| 947 | |
| 948 | DBG("Getting kernel tracing events"); |
| 949 | |
| 950 | domain.type = LTTNG_DOMAIN_KERNEL; |
| 951 | |
| 952 | handle = lttng_create_handle(NULL, &domain); |
| 953 | if (handle == NULL) { |
| 954 | ret = CMD_ERROR; |
| 955 | goto error; |
| 956 | } |
| 957 | |
| 958 | size = lttng_list_tracepoints(handle, &event_list); |
| 959 | if (size < 0) { |
| 960 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
| 961 | lttng_destroy_handle(handle); |
| 962 | return CMD_ERROR; |
| 963 | } |
| 964 | |
| 965 | if (lttng_opt_mi) { |
| 966 | /* Mi print */ |
| 967 | ret = mi_list_kernel_events(event_list, size, &domain); |
| 968 | if (ret) { |
| 969 | ret = CMD_ERROR; |
| 970 | goto end; |
| 971 | } |
| 972 | } else { |
| 973 | MSG("Kernel events:\n-------------"); |
| 974 | |
| 975 | for (i = 0; i < size; i++) { |
| 976 | print_events(&event_list[i]); |
| 977 | } |
| 978 | |
| 979 | MSG(""); |
| 980 | } |
| 981 | |
| 982 | end: |
| 983 | free(event_list); |
| 984 | |
| 985 | lttng_destroy_handle(handle); |
| 986 | return ret; |
| 987 | |
| 988 | error: |
| 989 | lttng_destroy_handle(handle); |
| 990 | return ret; |
| 991 | } |
| 992 | |
| 993 | /* |
| 994 | * Machine interface |
| 995 | * Print a list of system calls. |
| 996 | */ |
| 997 | static int mi_list_syscalls(struct lttng_event *events, int count) |
| 998 | { |
| 999 | int ret, i; |
| 1000 | |
| 1001 | /* Open events */ |
| 1002 | ret = mi_lttng_events_open(writer); |
| 1003 | if (ret) { |
| 1004 | goto end; |
| 1005 | } |
| 1006 | |
| 1007 | for (i = 0; i < count; i++) { |
| 1008 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
| 1009 | if (ret) { |
| 1010 | goto end; |
| 1011 | } |
| 1012 | } |
| 1013 | |
| 1014 | /* Close events. */ |
| 1015 | ret = mi_lttng_writer_close_element(writer); |
| 1016 | if (ret) { |
| 1017 | goto end; |
| 1018 | } |
| 1019 | |
| 1020 | end: |
| 1021 | return ret; |
| 1022 | } |
| 1023 | |
| 1024 | /* |
| 1025 | * Ask for kernel system calls. |
| 1026 | */ |
| 1027 | static int list_syscalls(void) |
| 1028 | { |
| 1029 | int i, size, ret = CMD_SUCCESS; |
| 1030 | struct lttng_event *event_list; |
| 1031 | |
| 1032 | DBG("Getting kernel system call events"); |
| 1033 | |
| 1034 | size = lttng_list_syscalls(&event_list); |
| 1035 | if (size < 0) { |
| 1036 | ERR("Unable to list system calls: %s", lttng_strerror(size)); |
| 1037 | ret = CMD_ERROR; |
| 1038 | goto error; |
| 1039 | } |
| 1040 | |
| 1041 | if (lttng_opt_mi) { |
| 1042 | /* Mi print */ |
| 1043 | ret = mi_list_syscalls(event_list, size); |
| 1044 | if (ret) { |
| 1045 | ret = CMD_ERROR; |
| 1046 | goto end; |
| 1047 | } |
| 1048 | } else { |
| 1049 | MSG("System calls:\n-------------"); |
| 1050 | |
| 1051 | for (i = 0; i < size; i++) { |
| 1052 | print_events(&event_list[i]); |
| 1053 | } |
| 1054 | |
| 1055 | MSG(""); |
| 1056 | } |
| 1057 | |
| 1058 | end: |
| 1059 | free(event_list); |
| 1060 | return ret; |
| 1061 | |
| 1062 | error: |
| 1063 | return ret; |
| 1064 | } |
| 1065 | |
| 1066 | /* |
| 1067 | * Machine Interface |
| 1068 | * Print a list of agent events |
| 1069 | */ |
| 1070 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
| 1071 | { |
| 1072 | int ret, i; |
| 1073 | |
| 1074 | /* Open events element */ |
| 1075 | ret = mi_lttng_events_open(writer); |
| 1076 | if (ret) { |
| 1077 | goto end; |
| 1078 | } |
| 1079 | |
| 1080 | for (i = 0; i < count; i++) { |
| 1081 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
| 1082 | if (ret) { |
| 1083 | goto end; |
| 1084 | } |
| 1085 | } |
| 1086 | |
| 1087 | /* Close events element */ |
| 1088 | ret = mi_lttng_writer_close_element(writer); |
| 1089 | |
| 1090 | end: |
| 1091 | return ret; |
| 1092 | } |
| 1093 | |
| 1094 | /* |
| 1095 | * List agent events for a specific session using the handle. |
| 1096 | * |
| 1097 | * Return CMD_SUCCESS on success else a negative value. |
| 1098 | */ |
| 1099 | static int list_session_agent_events(void) |
| 1100 | { |
| 1101 | int ret = CMD_SUCCESS, count, i; |
| 1102 | struct lttng_event *events = NULL; |
| 1103 | |
| 1104 | count = lttng_list_events(handle, "", &events); |
| 1105 | if (count < 0) { |
| 1106 | ret = CMD_ERROR; |
| 1107 | ERR("%s", lttng_strerror(count)); |
| 1108 | goto error; |
| 1109 | } |
| 1110 | |
| 1111 | if (lttng_opt_mi) { |
| 1112 | /* Mi print */ |
| 1113 | ret = mi_list_session_agent_events(events, count); |
| 1114 | if (ret) { |
| 1115 | ret = CMD_ERROR; |
| 1116 | goto end; |
| 1117 | } |
| 1118 | } else { |
| 1119 | /* Pretty print */ |
| 1120 | MSG("Events (Logger name):\n---------------------"); |
| 1121 | if (count == 0) { |
| 1122 | MSG("%sNone\n", indent6); |
| 1123 | goto end; |
| 1124 | } |
| 1125 | |
| 1126 | for (i = 0; i < count; i++) { |
| 1127 | const char *filter_str; |
| 1128 | char *filter_msg = NULL; |
| 1129 | struct lttng_event *event = &events[i]; |
| 1130 | |
| 1131 | ret = lttng_event_get_filter_expression(event, |
| 1132 | &filter_str); |
| 1133 | if (ret) { |
| 1134 | filter_msg = strdup(" [failed to retrieve filter]"); |
| 1135 | } else if (filter_str) { |
| 1136 | const char * const filter_fmt = |
| 1137 | " [filter: '%s']"; |
| 1138 | |
| 1139 | filter_msg = malloc(strlen(filter_str) + |
| 1140 | strlen(filter_fmt) + 1); |
| 1141 | if (filter_msg) { |
| 1142 | sprintf(filter_msg, filter_fmt, |
| 1143 | filter_str); |
| 1144 | } |
| 1145 | } |
| 1146 | |
| 1147 | if (event->loglevel_type != |
| 1148 | LTTNG_EVENT_LOGLEVEL_ALL) { |
| 1149 | MSG("%s- %s%s (loglevel%s %s)%s", indent4, |
| 1150 | event->name, |
| 1151 | enabled_string(event->enabled), |
| 1152 | logleveltype_string( |
| 1153 | event->loglevel_type), |
| 1154 | mi_lttng_loglevel_string( |
| 1155 | event->loglevel, |
| 1156 | handle->domain.type), |
| 1157 | safe_string(filter_msg)); |
| 1158 | } else { |
| 1159 | MSG("%s- %s%s%s", indent4, event->name, |
| 1160 | enabled_string(event->enabled), |
| 1161 | safe_string(filter_msg)); |
| 1162 | } |
| 1163 | free(filter_msg); |
| 1164 | } |
| 1165 | |
| 1166 | MSG(""); |
| 1167 | } |
| 1168 | |
| 1169 | end: |
| 1170 | free(events); |
| 1171 | error: |
| 1172 | return ret; |
| 1173 | } |
| 1174 | |
| 1175 | /* |
| 1176 | * Machine interface |
| 1177 | * print a list of event |
| 1178 | */ |
| 1179 | static int mi_list_events(struct lttng_event *events, int count) |
| 1180 | { |
| 1181 | int ret, i; |
| 1182 | |
| 1183 | /* Open events element */ |
| 1184 | ret = mi_lttng_events_open(writer); |
| 1185 | if (ret) { |
| 1186 | goto end; |
| 1187 | } |
| 1188 | |
| 1189 | for (i = 0; i < count; i++) { |
| 1190 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
| 1191 | if (ret) { |
| 1192 | goto end; |
| 1193 | } |
| 1194 | } |
| 1195 | |
| 1196 | /* Close events element */ |
| 1197 | ret = mi_lttng_writer_close_element(writer); |
| 1198 | |
| 1199 | end: |
| 1200 | return ret; |
| 1201 | } |
| 1202 | |
| 1203 | /* |
| 1204 | * List events of channel of session and domain. |
| 1205 | */ |
| 1206 | static int list_events(const char *channel_name) |
| 1207 | { |
| 1208 | int ret = CMD_SUCCESS, count, i; |
| 1209 | struct lttng_event *events = NULL; |
| 1210 | |
| 1211 | count = lttng_list_events(handle, channel_name, &events); |
| 1212 | if (count < 0) { |
| 1213 | ret = CMD_ERROR; |
| 1214 | ERR("%s", lttng_strerror(count)); |
| 1215 | goto error; |
| 1216 | } |
| 1217 | |
| 1218 | if (lttng_opt_mi) { |
| 1219 | /* Mi print */ |
| 1220 | ret = mi_list_events(events, count); |
| 1221 | if (ret) { |
| 1222 | ret = CMD_ERROR; |
| 1223 | goto end; |
| 1224 | } |
| 1225 | } else { |
| 1226 | /* Pretty print */ |
| 1227 | MSG("\n%sEvent rules:", indent4); |
| 1228 | if (count == 0) { |
| 1229 | MSG("%sNone\n", indent6); |
| 1230 | goto end; |
| 1231 | } |
| 1232 | |
| 1233 | for (i = 0; i < count; i++) { |
| 1234 | print_events(&events[i]); |
| 1235 | } |
| 1236 | |
| 1237 | MSG(""); |
| 1238 | } |
| 1239 | end: |
| 1240 | free(events); |
| 1241 | error: |
| 1242 | return ret; |
| 1243 | } |
| 1244 | |
| 1245 | static |
| 1246 | void print_timer(const char *timer_name, uint32_t space_count, int64_t value) |
| 1247 | { |
| 1248 | uint32_t i; |
| 1249 | |
| 1250 | _MSG("%s%s:", indent6, timer_name); |
| 1251 | for (i = 0; i < space_count; i++) { |
| 1252 | _MSG(" "); |
| 1253 | } |
| 1254 | |
| 1255 | if (value) { |
| 1256 | MSG("%" PRId64 " %s", value, USEC_UNIT); |
| 1257 | } else { |
| 1258 | MSG("inactive"); |
| 1259 | } |
| 1260 | } |
| 1261 | |
| 1262 | /* |
| 1263 | * Pretty print channel |
| 1264 | */ |
| 1265 | static void print_channel(struct lttng_channel *channel) |
| 1266 | { |
| 1267 | int ret; |
| 1268 | uint64_t discarded_events, lost_packets, monitor_timer_interval; |
| 1269 | int64_t blocking_timeout; |
| 1270 | |
| 1271 | ret = lttng_channel_get_discarded_event_count(channel, |
| 1272 | &discarded_events); |
| 1273 | if (ret) { |
| 1274 | ERR("Failed to retrieve discarded event count of channel"); |
| 1275 | return; |
| 1276 | } |
| 1277 | |
| 1278 | ret = lttng_channel_get_lost_packet_count(channel, |
| 1279 | &lost_packets); |
| 1280 | if (ret) { |
| 1281 | ERR("Failed to retrieve lost packet count of channel"); |
| 1282 | return; |
| 1283 | } |
| 1284 | |
| 1285 | ret = lttng_channel_get_monitor_timer_interval(channel, |
| 1286 | &monitor_timer_interval); |
| 1287 | if (ret) { |
| 1288 | ERR("Failed to retrieve monitor interval of channel"); |
| 1289 | return; |
| 1290 | } |
| 1291 | |
| 1292 | ret = lttng_channel_get_blocking_timeout(channel, |
| 1293 | &blocking_timeout); |
| 1294 | if (ret) { |
| 1295 | ERR("Failed to retrieve blocking timeout of channel"); |
| 1296 | return; |
| 1297 | } |
| 1298 | |
| 1299 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
| 1300 | MSG("%sAttributes:", indent4); |
| 1301 | MSG("%sEvent-loss mode: %s", indent6, channel->attr.overwrite ? "overwrite" : "discard"); |
| 1302 | MSG("%sSub-buffer size: %" PRIu64 " bytes", indent6, channel->attr.subbuf_size); |
| 1303 | MSG("%sSub-buffer count: %" PRIu64, indent6, channel->attr.num_subbuf); |
| 1304 | |
| 1305 | print_timer("Switch timer", 5, channel->attr.switch_timer_interval); |
| 1306 | print_timer("Read timer", 7, channel->attr.read_timer_interval); |
| 1307 | print_timer("Monitor timer", 4, monitor_timer_interval); |
| 1308 | |
| 1309 | if (!channel->attr.overwrite) { |
| 1310 | if (blocking_timeout == -1) { |
| 1311 | MSG("%sBlocking timeout: infinite", indent6); |
| 1312 | } else { |
| 1313 | MSG("%sBlocking timeout: %" PRId64 " %s", indent6, |
| 1314 | blocking_timeout, USEC_UNIT); |
| 1315 | } |
| 1316 | } |
| 1317 | |
| 1318 | MSG("%sTrace file count: %" PRIu64 " per stream", indent6, |
| 1319 | channel->attr.tracefile_count == 0 ? |
| 1320 | 1 : channel->attr.tracefile_count); |
| 1321 | if (channel->attr.tracefile_size != 0 ) { |
| 1322 | MSG("%sTrace file size: %" PRIu64 " bytes", indent6, |
| 1323 | channel->attr.tracefile_size); |
| 1324 | } else { |
| 1325 | MSG("%sTrace file size: %s", indent6, "unlimited"); |
| 1326 | } |
| 1327 | switch (channel->attr.output) { |
| 1328 | case LTTNG_EVENT_SPLICE: |
| 1329 | MSG("%sOutput mode: splice", indent6); |
| 1330 | break; |
| 1331 | case LTTNG_EVENT_MMAP: |
| 1332 | MSG("%sOutput mode: mmap", indent6); |
| 1333 | break; |
| 1334 | } |
| 1335 | |
| 1336 | MSG("\n%sStatistics:", indent4); |
| 1337 | if (listed_session.snapshot_mode) { |
| 1338 | /* |
| 1339 | * The lost packet count is omitted for sessions in snapshot |
| 1340 | * mode as it is misleading: it would indicate the number of |
| 1341 | * packets that the consumer could not extract during the |
| 1342 | * course of recording the snapshot. It does not have the |
| 1343 | * same meaning as the "regular" lost packet count that |
| 1344 | * would result from the consumer not keeping up with |
| 1345 | * event production in an overwrite-mode channel. |
| 1346 | * |
| 1347 | * A more interesting statistic would be the number of |
| 1348 | * packets lost between the first and last extracted |
| 1349 | * packets of a given snapshot (which prevents most analyses). |
| 1350 | */ |
| 1351 | MSG("%sNone", indent6); |
| 1352 | goto skip_stats_printing; |
| 1353 | } |
| 1354 | |
| 1355 | if (!channel->attr.overwrite) { |
| 1356 | MSG("%sDiscarded events: %" PRIu64, indent6, discarded_events); |
| 1357 | } else { |
| 1358 | MSG("%sLost packets: %" PRIu64, indent6, lost_packets); |
| 1359 | } |
| 1360 | skip_stats_printing: |
| 1361 | return; |
| 1362 | } |
| 1363 | |
| 1364 | /* |
| 1365 | * Machine interface |
| 1366 | * Print a list of channel |
| 1367 | * |
| 1368 | */ |
| 1369 | static int mi_list_channels(struct lttng_channel *channels, int count, |
| 1370 | const char *channel_name) |
| 1371 | { |
| 1372 | int i, ret; |
| 1373 | unsigned int chan_found = 0; |
| 1374 | |
| 1375 | /* Open channels element */ |
| 1376 | ret = mi_lttng_channels_open(writer); |
| 1377 | if (ret) { |
| 1378 | goto error; |
| 1379 | } |
| 1380 | |
| 1381 | for (i = 0; i < count; i++) { |
| 1382 | if (channel_name != NULL) { |
| 1383 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { |
| 1384 | chan_found = 1; |
| 1385 | } else { |
| 1386 | continue; |
| 1387 | } |
| 1388 | } |
| 1389 | |
| 1390 | /* Write channel element and leave it open */ |
| 1391 | ret = mi_lttng_channel(writer, &channels[i], 1); |
| 1392 | if (ret) { |
| 1393 | goto error; |
| 1394 | } |
| 1395 | |
| 1396 | /* Listing events per channel */ |
| 1397 | ret = list_events(channels[i].name); |
| 1398 | if (ret) { |
| 1399 | goto error; |
| 1400 | } |
| 1401 | |
| 1402 | /* Closing the channel element we opened earlier */ |
| 1403 | ret = mi_lttng_writer_close_element(writer); |
| 1404 | if (ret) { |
| 1405 | goto error; |
| 1406 | } |
| 1407 | |
| 1408 | if (chan_found) { |
| 1409 | break; |
| 1410 | } |
| 1411 | } |
| 1412 | |
| 1413 | /* Close channels element */ |
| 1414 | ret = mi_lttng_writer_close_element(writer); |
| 1415 | if (ret) { |
| 1416 | goto error; |
| 1417 | } |
| 1418 | |
| 1419 | error: |
| 1420 | return ret; |
| 1421 | } |
| 1422 | |
| 1423 | /* |
| 1424 | * List channel(s) of session and domain. |
| 1425 | * |
| 1426 | * If channel_name is NULL, all channels are listed. |
| 1427 | */ |
| 1428 | static int list_channels(const char *channel_name) |
| 1429 | { |
| 1430 | int count, i, ret = CMD_SUCCESS; |
| 1431 | unsigned int chan_found = 0; |
| 1432 | struct lttng_channel *channels = NULL; |
| 1433 | |
| 1434 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
| 1435 | |
| 1436 | count = lttng_list_channels(handle, &channels); |
| 1437 | if (count < 0) { |
| 1438 | switch (-count) { |
| 1439 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: |
| 1440 | if (lttng_opt_mi) { |
| 1441 | /* When printing mi this is not an error |
| 1442 | * but an empty channels element */ |
| 1443 | count = 0; |
| 1444 | } else { |
| 1445 | ret = CMD_SUCCESS; |
| 1446 | WARN("No kernel channel"); |
| 1447 | goto error_channels; |
| 1448 | } |
| 1449 | break; |
| 1450 | default: |
| 1451 | /* We had a real error */ |
| 1452 | ret = CMD_ERROR; |
| 1453 | ERR("%s", lttng_strerror(count)); |
| 1454 | goto error_channels; |
| 1455 | break; |
| 1456 | } |
| 1457 | } |
| 1458 | |
| 1459 | if (lttng_opt_mi) { |
| 1460 | /* Mi print */ |
| 1461 | ret = mi_list_channels(channels, count, channel_name); |
| 1462 | if (ret) { |
| 1463 | ret = CMD_ERROR; |
| 1464 | goto error; |
| 1465 | } |
| 1466 | } else { |
| 1467 | /* Pretty print */ |
| 1468 | if (count) { |
| 1469 | MSG("Channels:\n-------------"); |
| 1470 | } |
| 1471 | |
| 1472 | for (i = 0; i < count; i++) { |
| 1473 | if (channel_name != NULL) { |
| 1474 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { |
| 1475 | chan_found = 1; |
| 1476 | } else { |
| 1477 | continue; |
| 1478 | } |
| 1479 | } |
| 1480 | print_channel(&channels[i]); |
| 1481 | |
| 1482 | /* Listing events per channel */ |
| 1483 | ret = list_events(channels[i].name); |
| 1484 | if (ret) { |
| 1485 | goto error; |
| 1486 | } |
| 1487 | |
| 1488 | if (chan_found) { |
| 1489 | break; |
| 1490 | } |
| 1491 | } |
| 1492 | |
| 1493 | if (!chan_found && channel_name != NULL) { |
| 1494 | ret = CMD_ERROR; |
| 1495 | ERR("Channel %s not found", channel_name); |
| 1496 | goto error; |
| 1497 | } |
| 1498 | } |
| 1499 | error: |
| 1500 | free(channels); |
| 1501 | |
| 1502 | error_channels: |
| 1503 | return ret; |
| 1504 | } |
| 1505 | |
| 1506 | static const char *get_tracker_str(enum lttng_tracker_type tracker_type) |
| 1507 | { |
| 1508 | switch (tracker_type) { |
| 1509 | case LTTNG_TRACKER_PID: |
| 1510 | return "PID"; |
| 1511 | case LTTNG_TRACKER_VPID: |
| 1512 | return "VPID"; |
| 1513 | case LTTNG_TRACKER_UID: |
| 1514 | return "UID"; |
| 1515 | case LTTNG_TRACKER_VUID: |
| 1516 | return "VUID"; |
| 1517 | case LTTNG_TRACKER_GID: |
| 1518 | return "GID"; |
| 1519 | case LTTNG_TRACKER_VGID: |
| 1520 | return "VGID"; |
| 1521 | } |
| 1522 | return NULL; |
| 1523 | } |
| 1524 | |
| 1525 | /* |
| 1526 | * List tracker ID(s) of session and domain. |
| 1527 | */ |
| 1528 | static int list_tracker_ids(enum lttng_tracker_type tracker_type) |
| 1529 | { |
| 1530 | int ret = 0; |
| 1531 | int enabled = 1; |
| 1532 | struct lttng_tracker_ids *ids = NULL; |
| 1533 | unsigned int nr_ids, i; |
| 1534 | const struct lttng_tracker_id *id; |
| 1535 | enum lttng_tracker_id_status status; |
| 1536 | |
| 1537 | ret = lttng_list_tracker_ids(handle, tracker_type, &ids); |
| 1538 | if (ret) { |
| 1539 | return ret; |
| 1540 | } |
| 1541 | |
| 1542 | status = lttng_tracker_ids_get_count(ids, &nr_ids); |
| 1543 | if (status != LTTNG_TRACKER_ID_STATUS_OK) { |
| 1544 | ret = CMD_ERROR; |
| 1545 | goto end; |
| 1546 | } |
| 1547 | |
| 1548 | if (nr_ids == 1) { |
| 1549 | id = lttng_tracker_ids_get_at_index(ids, 0); |
| 1550 | if (id && lttng_tracker_id_get_type(id) == LTTNG_ID_ALL) { |
| 1551 | enabled = 0; |
| 1552 | } |
| 1553 | } |
| 1554 | |
| 1555 | if (enabled) { |
| 1556 | _MSG("%s tracker: [", get_tracker_str(tracker_type)); |
| 1557 | |
| 1558 | /* Mi tracker_id element */ |
| 1559 | if (writer) { |
| 1560 | /* Open tracker_id and targets elements */ |
| 1561 | ret = mi_lttng_id_tracker_open(writer, tracker_type); |
| 1562 | if (ret) { |
| 1563 | goto end; |
| 1564 | } |
| 1565 | } |
| 1566 | |
| 1567 | for (i = 0; i < nr_ids; i++) { |
| 1568 | enum lttng_tracker_id_status status = |
| 1569 | LTTNG_TRACKER_ID_STATUS_OK; |
| 1570 | int value; |
| 1571 | const char *value_string; |
| 1572 | |
| 1573 | id = lttng_tracker_ids_get_at_index(ids, i); |
| 1574 | if (!id) { |
| 1575 | ret = CMD_ERROR; |
| 1576 | goto end; |
| 1577 | } |
| 1578 | |
| 1579 | switch (lttng_tracker_id_get_type(id)) { |
| 1580 | case LTTNG_ID_ALL: |
| 1581 | break; |
| 1582 | case LTTNG_ID_VALUE: |
| 1583 | status = lttng_tracker_id_get_value(id, &value); |
| 1584 | break; |
| 1585 | case LTTNG_ID_STRING: |
| 1586 | status = lttng_tracker_id_get_string( |
| 1587 | id, &value_string); |
| 1588 | break; |
| 1589 | case LTTNG_ID_UNKNOWN: |
| 1590 | ret = CMD_ERROR; |
| 1591 | goto end; |
| 1592 | } |
| 1593 | |
| 1594 | if (status != LTTNG_TRACKER_ID_STATUS_OK) { |
| 1595 | ERR("Invalid state for tracker id"); |
| 1596 | ret = CMD_ERROR; |
| 1597 | goto end; |
| 1598 | } |
| 1599 | |
| 1600 | if (i) { |
| 1601 | _MSG(","); |
| 1602 | } |
| 1603 | switch (lttng_tracker_id_get_type(id)) { |
| 1604 | case LTTNG_ID_ALL: |
| 1605 | _MSG(" *"); |
| 1606 | break; |
| 1607 | case LTTNG_ID_VALUE: |
| 1608 | _MSG(" %d", value); |
| 1609 | break; |
| 1610 | case LTTNG_ID_STRING: |
| 1611 | _MSG(" %s", value_string); |
| 1612 | break; |
| 1613 | case LTTNG_ID_UNKNOWN: |
| 1614 | ERR("Invalid state for tracker id"); |
| 1615 | ret = CMD_ERROR; |
| 1616 | goto end; |
| 1617 | } |
| 1618 | |
| 1619 | /* Mi */ |
| 1620 | if (writer) { |
| 1621 | ret = mi_lttng_id_target( |
| 1622 | writer, tracker_type, id, 0); |
| 1623 | if (ret) { |
| 1624 | goto end; |
| 1625 | } |
| 1626 | } |
| 1627 | } |
| 1628 | _MSG(" ]\n\n"); |
| 1629 | |
| 1630 | /* Mi close tracker_id and targets */ |
| 1631 | if (writer) { |
| 1632 | ret = mi_lttng_close_multi_element(writer, 2); |
| 1633 | if (ret) { |
| 1634 | goto end; |
| 1635 | } |
| 1636 | } |
| 1637 | } |
| 1638 | end: |
| 1639 | lttng_tracker_ids_destroy(ids); |
| 1640 | return ret; |
| 1641 | } |
| 1642 | |
| 1643 | /* |
| 1644 | * List all trackers of a domain |
| 1645 | */ |
| 1646 | static int list_trackers(const struct lttng_domain *domain) |
| 1647 | { |
| 1648 | int ret = 0; |
| 1649 | |
| 1650 | /* Trackers listing */ |
| 1651 | if (lttng_opt_mi) { |
| 1652 | ret = mi_lttng_trackers_open(writer); |
| 1653 | if (ret) { |
| 1654 | goto end; |
| 1655 | } |
| 1656 | } |
| 1657 | |
| 1658 | switch (domain->type) { |
| 1659 | case LTTNG_DOMAIN_KERNEL: |
| 1660 | /* pid tracker */ |
| 1661 | ret = list_tracker_ids(LTTNG_TRACKER_PID); |
| 1662 | if (ret) { |
| 1663 | goto end; |
| 1664 | } |
| 1665 | /* vpid tracker */ |
| 1666 | ret = list_tracker_ids(LTTNG_TRACKER_VPID); |
| 1667 | if (ret) { |
| 1668 | goto end; |
| 1669 | } |
| 1670 | /* uid tracker */ |
| 1671 | ret = list_tracker_ids(LTTNG_TRACKER_UID); |
| 1672 | if (ret) { |
| 1673 | goto end; |
| 1674 | } |
| 1675 | /* vuid tracker */ |
| 1676 | ret = list_tracker_ids(LTTNG_TRACKER_VUID); |
| 1677 | if (ret) { |
| 1678 | goto end; |
| 1679 | } |
| 1680 | /* gid tracker */ |
| 1681 | ret = list_tracker_ids(LTTNG_TRACKER_GID); |
| 1682 | if (ret) { |
| 1683 | goto end; |
| 1684 | } |
| 1685 | /* vgid tracker */ |
| 1686 | ret = list_tracker_ids(LTTNG_TRACKER_VGID); |
| 1687 | if (ret) { |
| 1688 | goto end; |
| 1689 | } |
| 1690 | break; |
| 1691 | case LTTNG_DOMAIN_UST: |
| 1692 | /* vpid tracker */ |
| 1693 | ret = list_tracker_ids(LTTNG_TRACKER_VPID); |
| 1694 | if (ret) { |
| 1695 | goto end; |
| 1696 | } |
| 1697 | /* vuid tracker */ |
| 1698 | ret = list_tracker_ids(LTTNG_TRACKER_VUID); |
| 1699 | if (ret) { |
| 1700 | goto end; |
| 1701 | } |
| 1702 | /* vgid tracker */ |
| 1703 | ret = list_tracker_ids(LTTNG_TRACKER_VGID); |
| 1704 | if (ret) { |
| 1705 | goto end; |
| 1706 | } |
| 1707 | break; |
| 1708 | default: |
| 1709 | break; |
| 1710 | } |
| 1711 | if (lttng_opt_mi) { |
| 1712 | /* Close trackers element */ |
| 1713 | ret = mi_lttng_writer_close_element(writer); |
| 1714 | if (ret) { |
| 1715 | goto end; |
| 1716 | } |
| 1717 | } |
| 1718 | |
| 1719 | end: |
| 1720 | return ret; |
| 1721 | } |
| 1722 | |
| 1723 | static enum cmd_error_code print_periodic_rotation_schedule( |
| 1724 | const struct lttng_rotation_schedule *schedule) |
| 1725 | { |
| 1726 | enum cmd_error_code ret; |
| 1727 | enum lttng_rotation_status status; |
| 1728 | uint64_t value; |
| 1729 | |
| 1730 | status = lttng_rotation_schedule_periodic_get_period(schedule, |
| 1731 | &value); |
| 1732 | if (status != LTTNG_ROTATION_STATUS_OK) { |
| 1733 | ERR("Failed to retrieve period parameter from periodic rotation schedule."); |
| 1734 | ret = CMD_ERROR; |
| 1735 | goto end; |
| 1736 | } |
| 1737 | |
| 1738 | MSG(" timer period: %" PRIu64" %s", value, USEC_UNIT); |
| 1739 | ret = CMD_SUCCESS; |
| 1740 | end: |
| 1741 | return ret; |
| 1742 | } |
| 1743 | |
| 1744 | static enum cmd_error_code print_size_threshold_rotation_schedule( |
| 1745 | const struct lttng_rotation_schedule *schedule) |
| 1746 | { |
| 1747 | enum cmd_error_code ret; |
| 1748 | enum lttng_rotation_status status; |
| 1749 | uint64_t value; |
| 1750 | |
| 1751 | status = lttng_rotation_schedule_size_threshold_get_threshold(schedule, |
| 1752 | &value); |
| 1753 | if (status != LTTNG_ROTATION_STATUS_OK) { |
| 1754 | ERR("Failed to retrieve size parameter from size-based rotation schedule."); |
| 1755 | ret = CMD_ERROR; |
| 1756 | goto end; |
| 1757 | } |
| 1758 | |
| 1759 | MSG(" size threshold: %" PRIu64" bytes", value); |
| 1760 | ret = CMD_SUCCESS; |
| 1761 | end: |
| 1762 | return ret; |
| 1763 | } |
| 1764 | |
| 1765 | static enum cmd_error_code print_rotation_schedule( |
| 1766 | const struct lttng_rotation_schedule *schedule) |
| 1767 | { |
| 1768 | enum cmd_error_code ret; |
| 1769 | |
| 1770 | switch (lttng_rotation_schedule_get_type(schedule)) { |
| 1771 | case LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD: |
| 1772 | ret = print_size_threshold_rotation_schedule(schedule); |
| 1773 | break; |
| 1774 | case LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC: |
| 1775 | ret = print_periodic_rotation_schedule(schedule); |
| 1776 | break; |
| 1777 | default: |
| 1778 | ret = CMD_ERROR; |
| 1779 | } |
| 1780 | return ret; |
| 1781 | } |
| 1782 | |
| 1783 | /* |
| 1784 | * List the automatic rotation settings. |
| 1785 | */ |
| 1786 | static enum cmd_error_code list_rotate_settings(const char *session_name) |
| 1787 | { |
| 1788 | int ret; |
| 1789 | enum cmd_error_code cmd_ret = CMD_SUCCESS; |
| 1790 | unsigned int count, i; |
| 1791 | struct lttng_rotation_schedules *schedules = NULL; |
| 1792 | enum lttng_rotation_status status; |
| 1793 | |
| 1794 | ret = lttng_session_list_rotation_schedules(session_name, &schedules); |
| 1795 | if (ret != LTTNG_OK) { |
| 1796 | ERR("Failed to list session rotation schedules: %s", lttng_strerror(ret)); |
| 1797 | cmd_ret = CMD_ERROR; |
| 1798 | goto end; |
| 1799 | } |
| 1800 | |
| 1801 | status = lttng_rotation_schedules_get_count(schedules, &count); |
| 1802 | if (status != LTTNG_ROTATION_STATUS_OK) { |
| 1803 | ERR("Failed to retrieve the number of session rotation schedules."); |
| 1804 | cmd_ret = CMD_ERROR; |
| 1805 | goto end; |
| 1806 | } |
| 1807 | |
| 1808 | if (count == 0) { |
| 1809 | cmd_ret = CMD_SUCCESS; |
| 1810 | goto end; |
| 1811 | } |
| 1812 | |
| 1813 | MSG("Automatic rotation schedules:"); |
| 1814 | if (lttng_opt_mi) { |
| 1815 | ret = mi_lttng_writer_open_element(writer, |
| 1816 | mi_lttng_element_rotation_schedules); |
| 1817 | if (ret) { |
| 1818 | cmd_ret = CMD_ERROR; |
| 1819 | goto end; |
| 1820 | } |
| 1821 | } |
| 1822 | |
| 1823 | for (i = 0; i < count; i++) { |
| 1824 | enum cmd_error_code tmp_ret = CMD_SUCCESS; |
| 1825 | const struct lttng_rotation_schedule *schedule; |
| 1826 | |
| 1827 | schedule = lttng_rotation_schedules_get_at_index(schedules, i); |
| 1828 | if (!schedule) { |
| 1829 | ERR("Failed to retrieve session rotation schedule."); |
| 1830 | cmd_ret = CMD_ERROR; |
| 1831 | goto end; |
| 1832 | } |
| 1833 | |
| 1834 | if (lttng_opt_mi) { |
| 1835 | ret = mi_lttng_rotation_schedule(writer, schedule); |
| 1836 | if (ret) { |
| 1837 | tmp_ret = CMD_ERROR; |
| 1838 | } |
| 1839 | } else { |
| 1840 | tmp_ret = print_rotation_schedule(schedule); |
| 1841 | } |
| 1842 | |
| 1843 | /* |
| 1844 | * Report an error if the serialization of any of the |
| 1845 | * descriptors failed. |
| 1846 | */ |
| 1847 | cmd_ret = cmd_ret ? cmd_ret : tmp_ret; |
| 1848 | } |
| 1849 | |
| 1850 | _MSG("\n"); |
| 1851 | if (lttng_opt_mi) { |
| 1852 | /* Close the rotation_schedules element. */ |
| 1853 | ret = mi_lttng_writer_close_element(writer); |
| 1854 | if (ret) { |
| 1855 | cmd_ret = CMD_ERROR; |
| 1856 | goto end; |
| 1857 | } |
| 1858 | } |
| 1859 | end: |
| 1860 | lttng_rotation_schedules_destroy(schedules); |
| 1861 | return cmd_ret; |
| 1862 | } |
| 1863 | |
| 1864 | /* |
| 1865 | * Machine interface |
| 1866 | * Find the session with session_name as name |
| 1867 | * and print his informations. |
| 1868 | */ |
| 1869 | static int mi_list_session(const char *session_name, |
| 1870 | struct lttng_session *sessions, int count) |
| 1871 | { |
| 1872 | int ret, i; |
| 1873 | unsigned int session_found = 0; |
| 1874 | |
| 1875 | if (session_name == NULL) { |
| 1876 | ret = -LTTNG_ERR_SESS_NOT_FOUND; |
| 1877 | goto end; |
| 1878 | } |
| 1879 | |
| 1880 | for (i = 0; i < count; i++) { |
| 1881 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { |
| 1882 | /* We need to leave it open to append other informations |
| 1883 | * like domain, channel, events etc.*/ |
| 1884 | session_found = 1; |
| 1885 | ret = mi_lttng_session(writer, &sessions[i], 1); |
| 1886 | if (ret) { |
| 1887 | goto end; |
| 1888 | } |
| 1889 | break; |
| 1890 | } |
| 1891 | } |
| 1892 | |
| 1893 | if (!session_found) { |
| 1894 | ERR("Session '%s' not found", session_name); |
| 1895 | ret = -LTTNG_ERR_SESS_NOT_FOUND; |
| 1896 | goto end; |
| 1897 | } |
| 1898 | |
| 1899 | end: |
| 1900 | return ret; |
| 1901 | } |
| 1902 | |
| 1903 | /* |
| 1904 | * Machine interface |
| 1905 | * List all availables session |
| 1906 | */ |
| 1907 | static int mi_list_sessions(struct lttng_session *sessions, int count) |
| 1908 | { |
| 1909 | int ret, i; |
| 1910 | |
| 1911 | /* Opening sessions element */ |
| 1912 | ret = mi_lttng_sessions_open(writer); |
| 1913 | if (ret) { |
| 1914 | goto end; |
| 1915 | } |
| 1916 | |
| 1917 | /* Listing sessions */ |
| 1918 | for (i = 0; i < count; i++) { |
| 1919 | ret = mi_lttng_session(writer, &sessions[i], 0); |
| 1920 | if (ret) { |
| 1921 | goto end; |
| 1922 | } |
| 1923 | } |
| 1924 | |
| 1925 | /* Closing sessions element */ |
| 1926 | ret = mi_lttng_writer_close_element(writer); |
| 1927 | if (ret) { |
| 1928 | goto end; |
| 1929 | } |
| 1930 | |
| 1931 | end: |
| 1932 | return ret; |
| 1933 | } |
| 1934 | |
| 1935 | /* |
| 1936 | * List available tracing session. List only basic information. |
| 1937 | * |
| 1938 | * If session_name is NULL, all sessions are listed. |
| 1939 | */ |
| 1940 | static int list_sessions(const char *session_name) |
| 1941 | { |
| 1942 | int ret = CMD_SUCCESS; |
| 1943 | int count, i; |
| 1944 | unsigned int session_found = 0; |
| 1945 | struct lttng_session *sessions = NULL; |
| 1946 | |
| 1947 | count = lttng_list_sessions(&sessions); |
| 1948 | DBG("Session count %d", count); |
| 1949 | if (count < 0) { |
| 1950 | ret = CMD_ERROR; |
| 1951 | ERR("%s", lttng_strerror(count)); |
| 1952 | goto end; |
| 1953 | } |
| 1954 | |
| 1955 | if (lttng_opt_mi) { |
| 1956 | /* Mi */ |
| 1957 | if (session_name == NULL) { |
| 1958 | /* List all sessions */ |
| 1959 | ret = mi_list_sessions(sessions, count); |
| 1960 | } else { |
| 1961 | /* Note : this return an open session element */ |
| 1962 | ret = mi_list_session(session_name, sessions, count); |
| 1963 | } |
| 1964 | if (ret) { |
| 1965 | ret = CMD_ERROR; |
| 1966 | goto end; |
| 1967 | } |
| 1968 | } else { |
| 1969 | /* Pretty print */ |
| 1970 | if (count == 0) { |
| 1971 | MSG("Currently no available tracing session"); |
| 1972 | goto end; |
| 1973 | } |
| 1974 | |
| 1975 | if (session_name == NULL) { |
| 1976 | MSG("Available tracing sessions:"); |
| 1977 | } |
| 1978 | |
| 1979 | for (i = 0; i < count; i++) { |
| 1980 | if (session_name != NULL) { |
| 1981 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { |
| 1982 | session_found = 1; |
| 1983 | MSG("Tracing session %s: [%s%s]", session_name, |
| 1984 | active_string(sessions[i].enabled), |
| 1985 | snapshot_string(sessions[i].snapshot_mode)); |
| 1986 | if (*sessions[i].path) { |
| 1987 | MSG("%sTrace output: %s\n", indent4, sessions[i].path); |
| 1988 | } |
| 1989 | memcpy(&listed_session, &sessions[i], |
| 1990 | sizeof(listed_session)); |
| 1991 | break; |
| 1992 | } |
| 1993 | } else { |
| 1994 | MSG(" %d) %s [%s%s]", i + 1, |
| 1995 | sessions[i].name, |
| 1996 | active_string(sessions[i].enabled), |
| 1997 | snapshot_string(sessions[i].snapshot_mode)); |
| 1998 | if (*sessions[i].path) { |
| 1999 | MSG("%sTrace output: %s", indent4, sessions[i].path); |
| 2000 | } |
| 2001 | if (sessions[i].live_timer_interval != 0) { |
| 2002 | MSG("%sLive timer interval: %u %s", indent4, |
| 2003 | sessions[i].live_timer_interval, |
| 2004 | USEC_UNIT); |
| 2005 | } |
| 2006 | MSG(""); |
| 2007 | } |
| 2008 | } |
| 2009 | |
| 2010 | if (!session_found && session_name != NULL) { |
| 2011 | ERR("Session '%s' not found", session_name); |
| 2012 | ret = CMD_ERROR; |
| 2013 | goto end; |
| 2014 | } |
| 2015 | |
| 2016 | if (session_name == NULL) { |
| 2017 | MSG("\nUse lttng list <session_name> for more details"); |
| 2018 | } |
| 2019 | } |
| 2020 | |
| 2021 | end: |
| 2022 | free(sessions); |
| 2023 | return ret; |
| 2024 | } |
| 2025 | |
| 2026 | |
| 2027 | /* |
| 2028 | * Machine Interface |
| 2029 | * list available domain(s) for a session. |
| 2030 | */ |
| 2031 | static int mi_list_domains(struct lttng_domain *domains, int count) |
| 2032 | { |
| 2033 | int i, ret; |
| 2034 | /* Open domains element */ |
| 2035 | ret = mi_lttng_domains_open(writer); |
| 2036 | if (ret) { |
| 2037 | goto end; |
| 2038 | } |
| 2039 | |
| 2040 | for (i = 0; i < count; i++) { |
| 2041 | ret = mi_lttng_domain(writer, &domains[i] , 0); |
| 2042 | if (ret) { |
| 2043 | goto end; |
| 2044 | } |
| 2045 | } |
| 2046 | |
| 2047 | /* Closing domains element */ |
| 2048 | ret = mi_lttng_writer_close_element(writer); |
| 2049 | if (ret) { |
| 2050 | goto end; |
| 2051 | } |
| 2052 | end: |
| 2053 | return ret; |
| 2054 | } |
| 2055 | |
| 2056 | /* |
| 2057 | * List available domain(s) for a session. |
| 2058 | */ |
| 2059 | static int list_domains(const char *session_name) |
| 2060 | { |
| 2061 | int i, count, ret = CMD_SUCCESS; |
| 2062 | struct lttng_domain *domains = NULL; |
| 2063 | |
| 2064 | |
| 2065 | count = lttng_list_domains(session_name, &domains); |
| 2066 | if (count < 0) { |
| 2067 | ret = CMD_ERROR; |
| 2068 | ERR("%s", lttng_strerror(count)); |
| 2069 | goto end; |
| 2070 | } |
| 2071 | |
| 2072 | if (lttng_opt_mi) { |
| 2073 | /* Mi output */ |
| 2074 | ret = mi_list_domains(domains, count); |
| 2075 | if (ret) { |
| 2076 | ret = CMD_ERROR; |
| 2077 | goto error; |
| 2078 | } |
| 2079 | } else { |
| 2080 | /* Pretty print */ |
| 2081 | MSG("Domains:\n-------------"); |
| 2082 | if (count == 0) { |
| 2083 | MSG(" None"); |
| 2084 | goto end; |
| 2085 | } |
| 2086 | |
| 2087 | for (i = 0; i < count; i++) { |
| 2088 | switch (domains[i].type) { |
| 2089 | case LTTNG_DOMAIN_KERNEL: |
| 2090 | MSG(" - Kernel"); |
| 2091 | break; |
| 2092 | case LTTNG_DOMAIN_UST: |
| 2093 | MSG(" - UST global"); |
| 2094 | break; |
| 2095 | case LTTNG_DOMAIN_JUL: |
| 2096 | MSG(" - JUL (Java Util Logging)"); |
| 2097 | break; |
| 2098 | case LTTNG_DOMAIN_LOG4J: |
| 2099 | MSG(" - LOG4j (Logging for Java)"); |
| 2100 | break; |
| 2101 | case LTTNG_DOMAIN_PYTHON: |
| 2102 | MSG(" - Python (logging)"); |
| 2103 | break; |
| 2104 | default: |
| 2105 | break; |
| 2106 | } |
| 2107 | } |
| 2108 | } |
| 2109 | |
| 2110 | error: |
| 2111 | free(domains); |
| 2112 | |
| 2113 | end: |
| 2114 | return ret; |
| 2115 | } |
| 2116 | |
| 2117 | /* |
| 2118 | * The 'list <options>' first level command |
| 2119 | */ |
| 2120 | int cmd_list(int argc, const char **argv) |
| 2121 | { |
| 2122 | int opt, ret = CMD_SUCCESS; |
| 2123 | const char *session_name, *leftover = NULL; |
| 2124 | static poptContext pc; |
| 2125 | struct lttng_domain domain; |
| 2126 | struct lttng_domain *domains = NULL; |
| 2127 | |
| 2128 | memset(&domain, 0, sizeof(domain)); |
| 2129 | |
| 2130 | if (argc < 1) { |
| 2131 | ret = CMD_ERROR; |
| 2132 | goto end; |
| 2133 | } |
| 2134 | |
| 2135 | pc = poptGetContext(NULL, argc, argv, long_options, 0); |
| 2136 | poptReadDefaultConfig(pc, 0); |
| 2137 | |
| 2138 | while ((opt = poptGetNextOpt(pc)) != -1) { |
| 2139 | switch (opt) { |
| 2140 | case OPT_HELP: |
| 2141 | SHOW_HELP(); |
| 2142 | goto end; |
| 2143 | case OPT_USERSPACE: |
| 2144 | opt_userspace = 1; |
| 2145 | break; |
| 2146 | case OPT_LIST_OPTIONS: |
| 2147 | list_cmd_options(stdout, long_options); |
| 2148 | goto end; |
| 2149 | default: |
| 2150 | ret = CMD_UNDEFINED; |
| 2151 | goto end; |
| 2152 | } |
| 2153 | } |
| 2154 | |
| 2155 | /* Mi check */ |
| 2156 | if (lttng_opt_mi) { |
| 2157 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); |
| 2158 | if (!writer) { |
| 2159 | ret = CMD_ERROR; |
| 2160 | goto end; |
| 2161 | } |
| 2162 | |
| 2163 | /* Open command element */ |
| 2164 | ret = mi_lttng_writer_command_open(writer, |
| 2165 | mi_lttng_element_command_list); |
| 2166 | if (ret) { |
| 2167 | ret = CMD_ERROR; |
| 2168 | goto end; |
| 2169 | } |
| 2170 | |
| 2171 | /* Open output element */ |
| 2172 | ret = mi_lttng_writer_open_element(writer, |
| 2173 | mi_lttng_element_command_output); |
| 2174 | if (ret) { |
| 2175 | ret = CMD_ERROR; |
| 2176 | goto end; |
| 2177 | } |
| 2178 | } |
| 2179 | |
| 2180 | /* Get session name (trailing argument) */ |
| 2181 | session_name = poptGetArg(pc); |
| 2182 | DBG2("Session name: %s", session_name); |
| 2183 | |
| 2184 | leftover = poptGetArg(pc); |
| 2185 | if (leftover) { |
| 2186 | ERR("Unknown argument: %s", leftover); |
| 2187 | ret = CMD_ERROR; |
| 2188 | goto end; |
| 2189 | } |
| 2190 | |
| 2191 | if (opt_kernel) { |
| 2192 | domain.type = LTTNG_DOMAIN_KERNEL; |
| 2193 | } else if (opt_userspace) { |
| 2194 | DBG2("Listing userspace global domain"); |
| 2195 | domain.type = LTTNG_DOMAIN_UST; |
| 2196 | } else if (opt_jul) { |
| 2197 | DBG2("Listing JUL domain"); |
| 2198 | domain.type = LTTNG_DOMAIN_JUL; |
| 2199 | } else if (opt_log4j) { |
| 2200 | domain.type = LTTNG_DOMAIN_LOG4J; |
| 2201 | } else if (opt_python) { |
| 2202 | domain.type = LTTNG_DOMAIN_PYTHON; |
| 2203 | } |
| 2204 | |
| 2205 | if (!opt_kernel && opt_syscall) { |
| 2206 | WARN("--syscall will only work with the Kernel domain (-k)"); |
| 2207 | ret = CMD_ERROR; |
| 2208 | goto end; |
| 2209 | } |
| 2210 | |
| 2211 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_python) { |
| 2212 | handle = lttng_create_handle(session_name, &domain); |
| 2213 | if (handle == NULL) { |
| 2214 | ret = CMD_FATAL; |
| 2215 | goto end; |
| 2216 | } |
| 2217 | } |
| 2218 | |
| 2219 | if (session_name == NULL) { |
| 2220 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j |
| 2221 | && !opt_python) { |
| 2222 | ret = list_sessions(NULL); |
| 2223 | if (ret) { |
| 2224 | goto end; |
| 2225 | } |
| 2226 | } |
| 2227 | if (opt_kernel) { |
| 2228 | if (opt_syscall) { |
| 2229 | ret = list_syscalls(); |
| 2230 | if (ret) { |
| 2231 | goto end; |
| 2232 | } |
| 2233 | } else { |
| 2234 | ret = list_kernel_events(); |
| 2235 | if (ret) { |
| 2236 | goto end; |
| 2237 | } |
| 2238 | } |
| 2239 | } |
| 2240 | if (opt_userspace) { |
| 2241 | if (opt_fields) { |
| 2242 | ret = list_ust_event_fields(); |
| 2243 | } else { |
| 2244 | ret = list_ust_events(); |
| 2245 | } |
| 2246 | if (ret) { |
| 2247 | goto end; |
| 2248 | } |
| 2249 | } |
| 2250 | if (opt_jul || opt_log4j || opt_python) { |
| 2251 | ret = list_agent_events(); |
| 2252 | if (ret) { |
| 2253 | goto end; |
| 2254 | } |
| 2255 | } |
| 2256 | } else { |
| 2257 | /* List session attributes */ |
| 2258 | if (lttng_opt_mi) { |
| 2259 | /* Open element sessions |
| 2260 | * Present for xml consistency */ |
| 2261 | ret = mi_lttng_sessions_open(writer); |
| 2262 | if (ret) { |
| 2263 | goto end; |
| 2264 | } |
| 2265 | } |
| 2266 | /* MI: the ouptut of list_sessions is an unclosed session element */ |
| 2267 | ret = list_sessions(session_name); |
| 2268 | if (ret) { |
| 2269 | goto end; |
| 2270 | } |
| 2271 | |
| 2272 | ret = list_rotate_settings(session_name); |
| 2273 | if (ret) { |
| 2274 | goto end; |
| 2275 | } |
| 2276 | |
| 2277 | /* Domain listing */ |
| 2278 | if (opt_domain) { |
| 2279 | ret = list_domains(session_name); |
| 2280 | goto end; |
| 2281 | } |
| 2282 | |
| 2283 | /* Channel listing */ |
| 2284 | if (opt_kernel || opt_userspace) { |
| 2285 | if (lttng_opt_mi) { |
| 2286 | /* Add of domains and domain element for xml |
| 2287 | * consistency and validation |
| 2288 | */ |
| 2289 | ret = mi_lttng_domains_open(writer); |
| 2290 | if (ret) { |
| 2291 | goto end; |
| 2292 | } |
| 2293 | |
| 2294 | /* Open domain and leave it open for |
| 2295 | * nested channels printing */ |
| 2296 | ret = mi_lttng_domain(writer, &domain, 1); |
| 2297 | if (ret) { |
| 2298 | goto end; |
| 2299 | } |
| 2300 | |
| 2301 | } |
| 2302 | |
| 2303 | |
| 2304 | /* Trackers */ |
| 2305 | ret = list_trackers(&domain); |
| 2306 | if (ret) { |
| 2307 | goto end; |
| 2308 | } |
| 2309 | |
| 2310 | /* Channels */ |
| 2311 | ret = list_channels(opt_channel); |
| 2312 | if (ret) { |
| 2313 | goto end; |
| 2314 | } |
| 2315 | |
| 2316 | if (lttng_opt_mi) { |
| 2317 | /* Close domain and domain element */ |
| 2318 | ret = mi_lttng_close_multi_element(writer, 2); |
| 2319 | } |
| 2320 | if (ret) { |
| 2321 | goto end; |
| 2322 | } |
| 2323 | |
| 2324 | |
| 2325 | } else { |
| 2326 | int i, nb_domain; |
| 2327 | |
| 2328 | /* We want all domain(s) */ |
| 2329 | nb_domain = lttng_list_domains(session_name, &domains); |
| 2330 | if (nb_domain < 0) { |
| 2331 | ret = CMD_ERROR; |
| 2332 | ERR("%s", lttng_strerror(nb_domain)); |
| 2333 | goto end; |
| 2334 | } |
| 2335 | |
| 2336 | if (lttng_opt_mi) { |
| 2337 | ret = mi_lttng_domains_open(writer); |
| 2338 | if (ret) { |
| 2339 | ret = CMD_ERROR; |
| 2340 | goto end; |
| 2341 | } |
| 2342 | } |
| 2343 | |
| 2344 | for (i = 0; i < nb_domain; i++) { |
| 2345 | switch (domains[i].type) { |
| 2346 | case LTTNG_DOMAIN_KERNEL: |
| 2347 | MSG("=== Domain: Kernel ===\n"); |
| 2348 | break; |
| 2349 | case LTTNG_DOMAIN_UST: |
| 2350 | MSG("=== Domain: UST global ===\n"); |
| 2351 | MSG("Buffering scheme: %s\n", |
| 2352 | domains[i].buf_type == |
| 2353 | LTTNG_BUFFER_PER_PID ? "per-process" : "per-user"); |
| 2354 | break; |
| 2355 | case LTTNG_DOMAIN_JUL: |
| 2356 | MSG("=== Domain: JUL (Java Util Logging) ===\n"); |
| 2357 | break; |
| 2358 | case LTTNG_DOMAIN_LOG4J: |
| 2359 | MSG("=== Domain: LOG4j (Logging for Java) ===\n"); |
| 2360 | break; |
| 2361 | case LTTNG_DOMAIN_PYTHON: |
| 2362 | MSG("=== Domain: Python (logging) ===\n"); |
| 2363 | break; |
| 2364 | default: |
| 2365 | MSG("=== Domain: Unimplemented ===\n"); |
| 2366 | break; |
| 2367 | } |
| 2368 | |
| 2369 | if (lttng_opt_mi) { |
| 2370 | ret = mi_lttng_domain(writer, &domains[i], 1); |
| 2371 | if (ret) { |
| 2372 | ret = CMD_ERROR; |
| 2373 | goto end; |
| 2374 | } |
| 2375 | } |
| 2376 | |
| 2377 | /* Clean handle before creating a new one */ |
| 2378 | if (handle) { |
| 2379 | lttng_destroy_handle(handle); |
| 2380 | } |
| 2381 | |
| 2382 | handle = lttng_create_handle(session_name, &domains[i]); |
| 2383 | if (handle == NULL) { |
| 2384 | ret = CMD_FATAL; |
| 2385 | goto end; |
| 2386 | } |
| 2387 | |
| 2388 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
| 2389 | domains[i].type == LTTNG_DOMAIN_LOG4J || |
| 2390 | domains[i].type == LTTNG_DOMAIN_PYTHON) { |
| 2391 | ret = list_session_agent_events(); |
| 2392 | if (ret) { |
| 2393 | goto end; |
| 2394 | } |
| 2395 | |
| 2396 | goto next_domain; |
| 2397 | } |
| 2398 | |
| 2399 | switch (domains[i].type) { |
| 2400 | case LTTNG_DOMAIN_KERNEL: |
| 2401 | case LTTNG_DOMAIN_UST: |
| 2402 | ret = list_trackers(&domains[i]); |
| 2403 | if (ret) { |
| 2404 | goto end; |
| 2405 | } |
| 2406 | break; |
| 2407 | default: |
| 2408 | break; |
| 2409 | } |
| 2410 | |
| 2411 | ret = list_channels(opt_channel); |
| 2412 | if (ret) { |
| 2413 | goto end; |
| 2414 | } |
| 2415 | |
| 2416 | next_domain: |
| 2417 | if (lttng_opt_mi) { |
| 2418 | /* Close domain element */ |
| 2419 | ret = mi_lttng_writer_close_element(writer); |
| 2420 | if (ret) { |
| 2421 | ret = CMD_ERROR; |
| 2422 | goto end; |
| 2423 | } |
| 2424 | } |
| 2425 | |
| 2426 | } |
| 2427 | if (lttng_opt_mi) { |
| 2428 | /* Close the domains, session and sessions element */ |
| 2429 | ret = mi_lttng_close_multi_element(writer, 3); |
| 2430 | if (ret) { |
| 2431 | ret = CMD_ERROR; |
| 2432 | goto end; |
| 2433 | } |
| 2434 | } |
| 2435 | } |
| 2436 | } |
| 2437 | |
| 2438 | /* Mi closing */ |
| 2439 | if (lttng_opt_mi) { |
| 2440 | /* Close output element */ |
| 2441 | ret = mi_lttng_writer_close_element(writer); |
| 2442 | if (ret) { |
| 2443 | ret = CMD_ERROR; |
| 2444 | goto end; |
| 2445 | } |
| 2446 | |
| 2447 | /* Command element close */ |
| 2448 | ret = mi_lttng_writer_command_close(writer); |
| 2449 | if (ret) { |
| 2450 | ret = CMD_ERROR; |
| 2451 | goto end; |
| 2452 | } |
| 2453 | } |
| 2454 | end: |
| 2455 | /* Mi clean-up */ |
| 2456 | if (writer && mi_lttng_writer_destroy(writer)) { |
| 2457 | /* Preserve original error code */ |
| 2458 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; |
| 2459 | } |
| 2460 | |
| 2461 | free(domains); |
| 2462 | if (handle) { |
| 2463 | lttng_destroy_handle(handle); |
| 2464 | } |
| 2465 | |
| 2466 | poptFreeContext(pc); |
| 2467 | return ret; |
| 2468 | } |