| 1 | /* |
| 2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License, version 2 only, |
| 6 | * as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License along |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 16 | */ |
| 17 | |
| 18 | #define _GNU_SOURCE |
| 19 | #include <stdio.h> |
| 20 | #include <stdlib.h> |
| 21 | #include <string.h> |
| 22 | #include <unistd.h> |
| 23 | |
| 24 | #include <common/common.h> |
| 25 | #include <common/defaults.h> |
| 26 | |
| 27 | #include "trace-ust.h" |
| 28 | |
| 29 | /* |
| 30 | * Find the channel in the hashtable. |
| 31 | */ |
| 32 | struct ltt_ust_channel *trace_ust_find_channel_by_name(struct lttng_ht *ht, |
| 33 | char *name) |
| 34 | { |
| 35 | struct lttng_ht_node_str *node; |
| 36 | struct lttng_ht_iter iter; |
| 37 | |
| 38 | rcu_read_lock(); |
| 39 | lttng_ht_lookup(ht, (void *)name, &iter); |
| 40 | node = lttng_ht_iter_get_node_str(&iter); |
| 41 | if (node == NULL) { |
| 42 | rcu_read_unlock(); |
| 43 | goto error; |
| 44 | } |
| 45 | rcu_read_unlock(); |
| 46 | |
| 47 | DBG2("Trace UST channel %s found by name", name); |
| 48 | |
| 49 | return caa_container_of(node, struct ltt_ust_channel, node); |
| 50 | |
| 51 | error: |
| 52 | DBG2("Trace UST channel %s not found by name", name); |
| 53 | return NULL; |
| 54 | } |
| 55 | |
| 56 | /* |
| 57 | * Find the event in the hashtable. |
| 58 | */ |
| 59 | struct ltt_ust_event *trace_ust_find_event_by_name(struct lttng_ht *ht, |
| 60 | char *name) |
| 61 | { |
| 62 | struct lttng_ht_node_str *node; |
| 63 | struct lttng_ht_iter iter; |
| 64 | |
| 65 | rcu_read_lock(); |
| 66 | lttng_ht_lookup(ht, (void *) name, &iter); |
| 67 | node = lttng_ht_iter_get_node_str(&iter); |
| 68 | if (node == NULL) { |
| 69 | rcu_read_unlock(); |
| 70 | goto error; |
| 71 | } |
| 72 | rcu_read_unlock(); |
| 73 | |
| 74 | DBG2("Trace UST event found by name %s", name); |
| 75 | |
| 76 | return caa_container_of(node, struct ltt_ust_event, node); |
| 77 | |
| 78 | error: |
| 79 | DBG2("Trace UST event NOT found by name %s", name); |
| 80 | return NULL; |
| 81 | } |
| 82 | |
| 83 | /* |
| 84 | * Allocate and initialize a ust session data structure. |
| 85 | * |
| 86 | * Return pointer to structure or NULL. |
| 87 | */ |
| 88 | struct ltt_ust_session *trace_ust_create_session(char *path, |
| 89 | unsigned int session_id, struct lttng_domain *domain) |
| 90 | { |
| 91 | int ret; |
| 92 | struct ltt_ust_session *lus; |
| 93 | |
| 94 | /* Allocate a new ltt ust session */ |
| 95 | lus = zmalloc(sizeof(struct ltt_ust_session)); |
| 96 | if (lus == NULL) { |
| 97 | PERROR("create ust session zmalloc"); |
| 98 | goto error; |
| 99 | } |
| 100 | |
| 101 | /* Init data structure */ |
| 102 | lus->id = session_id; |
| 103 | lus->start_trace = 0; |
| 104 | |
| 105 | /* Alloc UST domain hash tables */ |
| 106 | lus->domain_pid = lttng_ht_new(0, LTTNG_HT_TYPE_ULONG); |
| 107 | lus->domain_exec = lttng_ht_new(0, LTTNG_HT_TYPE_ULONG); |
| 108 | |
| 109 | /* Alloc UST global domain channels' HT */ |
| 110 | lus->domain_global.channels = lttng_ht_new(0, LTTNG_HT_TYPE_STRING); |
| 111 | |
| 112 | lus->consumer = consumer_create_output(CONSUMER_DST_LOCAL); |
| 113 | if (lus->consumer == NULL) { |
| 114 | goto error_free_session; |
| 115 | } |
| 116 | |
| 117 | /* |
| 118 | * The tmp_consumer stays NULL until a set_consumer_uri command is |
| 119 | * executed. At this point, the consumer should be nullify until an |
| 120 | * enable_consumer command. This assignment is symbolic since we've zmalloc |
| 121 | * the struct. |
| 122 | */ |
| 123 | lus->tmp_consumer = NULL; |
| 124 | |
| 125 | /* Use the default consumer output which is the tracing session path. */ |
| 126 | if (path && strlen(path) > 0) { |
| 127 | ret = snprintf(lus->consumer->dst.trace_path, PATH_MAX, |
| 128 | "%s" DEFAULT_UST_TRACE_DIR, path); |
| 129 | if (ret < 0) { |
| 130 | PERROR("snprintf UST consumer trace path"); |
| 131 | goto error; |
| 132 | } |
| 133 | |
| 134 | /* Set session path */ |
| 135 | ret = snprintf(lus->pathname, PATH_MAX, "%s" DEFAULT_UST_TRACE_DIR, |
| 136 | path); |
| 137 | if (ret < 0) { |
| 138 | PERROR("snprintf kernel traces path"); |
| 139 | goto error_free_session; |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | DBG2("UST trace session create successful"); |
| 144 | |
| 145 | return lus; |
| 146 | |
| 147 | error_free_session: |
| 148 | lttng_ht_destroy(lus->domain_global.channels); |
| 149 | lttng_ht_destroy(lus->domain_exec); |
| 150 | lttng_ht_destroy(lus->domain_pid); |
| 151 | free(lus); |
| 152 | error: |
| 153 | return NULL; |
| 154 | } |
| 155 | |
| 156 | /* |
| 157 | * Allocate and initialize a ust channel data structure. |
| 158 | * |
| 159 | * Return pointer to structure or NULL. |
| 160 | */ |
| 161 | struct ltt_ust_channel *trace_ust_create_channel(struct lttng_channel *chan, |
| 162 | char *path) |
| 163 | { |
| 164 | int ret; |
| 165 | struct ltt_ust_channel *luc; |
| 166 | |
| 167 | luc = zmalloc(sizeof(struct ltt_ust_channel)); |
| 168 | if (luc == NULL) { |
| 169 | PERROR("ltt_ust_channel zmalloc"); |
| 170 | goto error; |
| 171 | } |
| 172 | |
| 173 | /* Copy UST channel attributes */ |
| 174 | luc->attr.overwrite = chan->attr.overwrite; |
| 175 | luc->attr.subbuf_size = chan->attr.subbuf_size; |
| 176 | luc->attr.num_subbuf = chan->attr.num_subbuf; |
| 177 | luc->attr.switch_timer_interval = chan->attr.switch_timer_interval; |
| 178 | luc->attr.read_timer_interval = chan->attr.read_timer_interval; |
| 179 | luc->attr.output = (enum lttng_ust_output) chan->attr.output; |
| 180 | |
| 181 | /* Translate to UST output enum */ |
| 182 | switch (luc->attr.output) { |
| 183 | default: |
| 184 | luc->attr.output = LTTNG_UST_MMAP; |
| 185 | break; |
| 186 | } |
| 187 | |
| 188 | /* Copy channel name */ |
| 189 | strncpy(luc->name, chan->name, sizeof(luc->name)); |
| 190 | luc->name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; |
| 191 | |
| 192 | /* Init node */ |
| 193 | lttng_ht_node_init_str(&luc->node, luc->name); |
| 194 | /* Alloc hash tables */ |
| 195 | luc->events = lttng_ht_new(0, LTTNG_HT_TYPE_STRING); |
| 196 | luc->ctx = lttng_ht_new(0, LTTNG_HT_TYPE_ULONG); |
| 197 | |
| 198 | /* Set trace output path */ |
| 199 | ret = snprintf(luc->pathname, PATH_MAX, "%s", path); |
| 200 | if (ret < 0) { |
| 201 | PERROR("asprintf ust create channel"); |
| 202 | goto error_free_channel; |
| 203 | } |
| 204 | |
| 205 | DBG2("Trace UST channel %s created", luc->name); |
| 206 | |
| 207 | return luc; |
| 208 | |
| 209 | error_free_channel: |
| 210 | lttng_ht_destroy(luc->ctx); |
| 211 | lttng_ht_destroy(luc->events); |
| 212 | free(luc); |
| 213 | error: |
| 214 | return NULL; |
| 215 | } |
| 216 | |
| 217 | /* |
| 218 | * Allocate and initialize a ust event. Set name and event type. |
| 219 | * |
| 220 | * Return pointer to structure or NULL. |
| 221 | */ |
| 222 | struct ltt_ust_event *trace_ust_create_event(struct lttng_event *ev) |
| 223 | { |
| 224 | struct ltt_ust_event *lue; |
| 225 | |
| 226 | lue = zmalloc(sizeof(struct ltt_ust_event)); |
| 227 | if (lue == NULL) { |
| 228 | PERROR("ust event zmalloc"); |
| 229 | goto error; |
| 230 | } |
| 231 | |
| 232 | switch (ev->type) { |
| 233 | case LTTNG_EVENT_PROBE: |
| 234 | lue->attr.instrumentation = LTTNG_UST_PROBE; |
| 235 | break; |
| 236 | case LTTNG_EVENT_FUNCTION: |
| 237 | lue->attr.instrumentation = LTTNG_UST_FUNCTION; |
| 238 | break; |
| 239 | case LTTNG_EVENT_FUNCTION_ENTRY: |
| 240 | lue->attr.instrumentation = LTTNG_UST_FUNCTION; |
| 241 | break; |
| 242 | case LTTNG_EVENT_TRACEPOINT: |
| 243 | lue->attr.instrumentation = LTTNG_UST_TRACEPOINT; |
| 244 | break; |
| 245 | default: |
| 246 | ERR("Unknown ust instrumentation type (%d)", ev->type); |
| 247 | goto error_free_event; |
| 248 | } |
| 249 | |
| 250 | /* Copy event name */ |
| 251 | strncpy(lue->attr.name, ev->name, LTTNG_UST_SYM_NAME_LEN); |
| 252 | lue->attr.name[LTTNG_UST_SYM_NAME_LEN - 1] = '\0'; |
| 253 | |
| 254 | switch (ev->loglevel_type) { |
| 255 | case LTTNG_EVENT_LOGLEVEL_ALL: |
| 256 | lue->attr.loglevel_type = LTTNG_UST_LOGLEVEL_ALL; |
| 257 | lue->attr.loglevel = -1; /* Force to -1 */ |
| 258 | break; |
| 259 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
| 260 | lue->attr.loglevel_type = LTTNG_UST_LOGLEVEL_RANGE; |
| 261 | lue->attr.loglevel = ev->loglevel; |
| 262 | break; |
| 263 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
| 264 | lue->attr.loglevel_type = LTTNG_UST_LOGLEVEL_SINGLE; |
| 265 | lue->attr.loglevel = ev->loglevel; |
| 266 | break; |
| 267 | default: |
| 268 | ERR("Unknown ust loglevel type (%d)", ev->loglevel_type); |
| 269 | goto error_free_event; |
| 270 | } |
| 271 | |
| 272 | |
| 273 | /* Init node */ |
| 274 | lttng_ht_node_init_str(&lue->node, lue->attr.name); |
| 275 | /* Alloc context hash tables */ |
| 276 | lue->ctx = lttng_ht_new(0, LTTNG_HT_TYPE_ULONG); |
| 277 | if (lue->ctx == NULL) { |
| 278 | ERR("Unable to create context hash table for event %s", ev->name); |
| 279 | goto error_free_event; |
| 280 | } |
| 281 | |
| 282 | DBG2("Trace UST event %s, loglevel (%d,%d) created", |
| 283 | lue->attr.name, lue->attr.loglevel_type, |
| 284 | lue->attr.loglevel); |
| 285 | |
| 286 | return lue; |
| 287 | |
| 288 | error_free_event: |
| 289 | free(lue); |
| 290 | error: |
| 291 | return NULL; |
| 292 | } |
| 293 | |
| 294 | /* |
| 295 | * Allocate and initialize a ust metadata. |
| 296 | * |
| 297 | * Return pointer to structure or NULL. |
| 298 | */ |
| 299 | struct ltt_ust_metadata *trace_ust_create_metadata(char *path) |
| 300 | { |
| 301 | int ret; |
| 302 | struct ltt_ust_metadata *lum; |
| 303 | |
| 304 | lum = zmalloc(sizeof(struct ltt_ust_metadata)); |
| 305 | if (lum == NULL) { |
| 306 | PERROR("ust metadata zmalloc"); |
| 307 | goto error; |
| 308 | } |
| 309 | |
| 310 | /* Set default attributes */ |
| 311 | lum->attr.overwrite = DEFAULT_CHANNEL_OVERWRITE; |
| 312 | lum->attr.subbuf_size = DEFAULT_METADATA_SUBBUF_SIZE; |
| 313 | lum->attr.num_subbuf = DEFAULT_METADATA_SUBBUF_NUM; |
| 314 | lum->attr.switch_timer_interval = DEFAULT_CHANNEL_SWITCH_TIMER; |
| 315 | lum->attr.read_timer_interval = DEFAULT_CHANNEL_READ_TIMER; |
| 316 | lum->attr.output = LTTNG_UST_MMAP; |
| 317 | |
| 318 | lum->handle = -1; |
| 319 | /* Set metadata trace path */ |
| 320 | ret = snprintf(lum->pathname, PATH_MAX, "%s/metadata", path); |
| 321 | if (ret < 0) { |
| 322 | PERROR("asprintf ust metadata"); |
| 323 | goto error_free_metadata; |
| 324 | } |
| 325 | |
| 326 | return lum; |
| 327 | |
| 328 | error_free_metadata: |
| 329 | free(lum); |
| 330 | error: |
| 331 | return NULL; |
| 332 | } |
| 333 | |
| 334 | /* |
| 335 | * Allocate and initialize an UST context. |
| 336 | * |
| 337 | * Return pointer to structure or NULL. |
| 338 | */ |
| 339 | struct ltt_ust_context *trace_ust_create_context( |
| 340 | struct lttng_event_context *ctx) |
| 341 | { |
| 342 | struct ltt_ust_context *uctx; |
| 343 | enum lttng_ust_context_type utype; |
| 344 | |
| 345 | switch (ctx->ctx) { |
| 346 | case LTTNG_EVENT_CONTEXT_VTID: |
| 347 | utype = LTTNG_UST_CONTEXT_VTID; |
| 348 | break; |
| 349 | case LTTNG_EVENT_CONTEXT_VPID: |
| 350 | utype = LTTNG_UST_CONTEXT_VPID; |
| 351 | break; |
| 352 | case LTTNG_EVENT_CONTEXT_PTHREAD_ID: |
| 353 | utype = LTTNG_UST_CONTEXT_PTHREAD_ID; |
| 354 | break; |
| 355 | case LTTNG_EVENT_CONTEXT_PROCNAME: |
| 356 | utype = LTTNG_UST_CONTEXT_PROCNAME; |
| 357 | break; |
| 358 | default: |
| 359 | ERR("Invalid UST context"); |
| 360 | return NULL; |
| 361 | } |
| 362 | |
| 363 | uctx = zmalloc(sizeof(struct ltt_ust_context)); |
| 364 | if (uctx == NULL) { |
| 365 | PERROR("zmalloc ltt_ust_context"); |
| 366 | goto error; |
| 367 | } |
| 368 | |
| 369 | uctx->ctx.ctx = utype; |
| 370 | lttng_ht_node_init_ulong(&uctx->node, (unsigned long) uctx->ctx.ctx); |
| 371 | |
| 372 | return uctx; |
| 373 | |
| 374 | error: |
| 375 | return NULL; |
| 376 | } |
| 377 | |
| 378 | /* |
| 379 | * RCU safe free context structure. |
| 380 | */ |
| 381 | static void destroy_context_rcu(struct rcu_head *head) |
| 382 | { |
| 383 | struct lttng_ht_node_ulong *node = |
| 384 | caa_container_of(head, struct lttng_ht_node_ulong, head); |
| 385 | struct ltt_ust_context *ctx = |
| 386 | caa_container_of(node, struct ltt_ust_context, node); |
| 387 | |
| 388 | free(ctx); |
| 389 | } |
| 390 | |
| 391 | /* |
| 392 | * Cleanup UST context hash table. |
| 393 | */ |
| 394 | static void destroy_contexts(struct lttng_ht *ht) |
| 395 | { |
| 396 | int ret; |
| 397 | struct lttng_ht_node_ulong *node; |
| 398 | struct lttng_ht_iter iter; |
| 399 | |
| 400 | cds_lfht_for_each_entry(ht->ht, &iter.iter, node, node) { |
| 401 | ret = lttng_ht_del(ht, &iter); |
| 402 | if (!ret) { |
| 403 | call_rcu(&node->head, destroy_context_rcu); |
| 404 | } |
| 405 | } |
| 406 | |
| 407 | lttng_ht_destroy(ht); |
| 408 | } |
| 409 | |
| 410 | /* |
| 411 | * Cleanup ust event structure. |
| 412 | */ |
| 413 | void trace_ust_destroy_event(struct ltt_ust_event *event) |
| 414 | { |
| 415 | DBG2("Trace destroy UST event %s", event->attr.name); |
| 416 | destroy_contexts(event->ctx); |
| 417 | free(event->filter); |
| 418 | free(event); |
| 419 | } |
| 420 | |
| 421 | /* |
| 422 | * URCU intermediate call to complete destroy event. |
| 423 | */ |
| 424 | static void destroy_event_rcu(struct rcu_head *head) |
| 425 | { |
| 426 | struct lttng_ht_node_str *node = |
| 427 | caa_container_of(head, struct lttng_ht_node_str, head); |
| 428 | struct ltt_ust_event *event = |
| 429 | caa_container_of(node, struct ltt_ust_event, node); |
| 430 | |
| 431 | trace_ust_destroy_event(event); |
| 432 | } |
| 433 | |
| 434 | /* |
| 435 | * Cleanup UST events hashtable. |
| 436 | */ |
| 437 | static void destroy_events(struct lttng_ht *events) |
| 438 | { |
| 439 | int ret; |
| 440 | struct lttng_ht_node_str *node; |
| 441 | struct lttng_ht_iter iter; |
| 442 | |
| 443 | cds_lfht_for_each_entry(events->ht, &iter.iter, node, node) { |
| 444 | ret = lttng_ht_del(events, &iter); |
| 445 | assert(!ret); |
| 446 | call_rcu(&node->head, destroy_event_rcu); |
| 447 | } |
| 448 | |
| 449 | lttng_ht_destroy(events); |
| 450 | } |
| 451 | |
| 452 | /* |
| 453 | * Cleanup ust channel structure. |
| 454 | */ |
| 455 | void trace_ust_destroy_channel(struct ltt_ust_channel *channel) |
| 456 | { |
| 457 | DBG2("Trace destroy UST channel %s", channel->name); |
| 458 | |
| 459 | rcu_read_lock(); |
| 460 | |
| 461 | /* Destroying all events of the channel */ |
| 462 | destroy_events(channel->events); |
| 463 | /* Destroying all context of the channel */ |
| 464 | destroy_contexts(channel->ctx); |
| 465 | |
| 466 | free(channel); |
| 467 | |
| 468 | rcu_read_unlock(); |
| 469 | } |
| 470 | |
| 471 | /* |
| 472 | * URCU intermediate call to complete destroy channel. |
| 473 | */ |
| 474 | static void destroy_channel_rcu(struct rcu_head *head) |
| 475 | { |
| 476 | struct lttng_ht_node_str *node = |
| 477 | caa_container_of(head, struct lttng_ht_node_str, head); |
| 478 | struct ltt_ust_channel *channel = |
| 479 | caa_container_of(node, struct ltt_ust_channel, node); |
| 480 | |
| 481 | trace_ust_destroy_channel(channel); |
| 482 | } |
| 483 | |
| 484 | /* |
| 485 | * Cleanup ust metadata structure. |
| 486 | */ |
| 487 | void trace_ust_destroy_metadata(struct ltt_ust_metadata *metadata) |
| 488 | { |
| 489 | if (!metadata->handle) { |
| 490 | return; |
| 491 | } |
| 492 | DBG2("Trace UST destroy metadata %d", metadata->handle); |
| 493 | free(metadata); |
| 494 | } |
| 495 | |
| 496 | /* |
| 497 | * Iterate over a hash table containing channels and cleanup safely. |
| 498 | */ |
| 499 | static void destroy_channels(struct lttng_ht *channels) |
| 500 | { |
| 501 | int ret; |
| 502 | struct lttng_ht_node_str *node; |
| 503 | struct lttng_ht_iter iter; |
| 504 | |
| 505 | rcu_read_lock(); |
| 506 | |
| 507 | cds_lfht_for_each_entry(channels->ht, &iter.iter, node, node) { |
| 508 | ret = lttng_ht_del(channels, &iter); |
| 509 | assert(!ret); |
| 510 | call_rcu(&node->head, destroy_channel_rcu); |
| 511 | } |
| 512 | |
| 513 | lttng_ht_destroy(channels); |
| 514 | |
| 515 | rcu_read_unlock(); |
| 516 | } |
| 517 | |
| 518 | /* |
| 519 | * Cleanup UST pid domain. |
| 520 | */ |
| 521 | static void destroy_domain_pid(struct lttng_ht *ht) |
| 522 | { |
| 523 | int ret; |
| 524 | struct lttng_ht_iter iter; |
| 525 | struct ltt_ust_domain_pid *dpid; |
| 526 | |
| 527 | cds_lfht_for_each_entry(ht->ht, &iter.iter, dpid, node.node) { |
| 528 | ret = lttng_ht_del(ht , &iter); |
| 529 | assert(!ret); |
| 530 | destroy_channels(dpid->channels); |
| 531 | } |
| 532 | |
| 533 | lttng_ht_destroy(ht); |
| 534 | } |
| 535 | |
| 536 | /* |
| 537 | * Cleanup UST exec name domain. |
| 538 | */ |
| 539 | static void destroy_domain_exec(struct lttng_ht *ht) |
| 540 | { |
| 541 | int ret; |
| 542 | struct lttng_ht_iter iter; |
| 543 | struct ltt_ust_domain_exec *dexec; |
| 544 | |
| 545 | cds_lfht_for_each_entry(ht->ht, &iter.iter, dexec, node.node) { |
| 546 | ret = lttng_ht_del(ht , &iter); |
| 547 | assert(!ret); |
| 548 | destroy_channels(dexec->channels); |
| 549 | } |
| 550 | |
| 551 | lttng_ht_destroy(ht); |
| 552 | } |
| 553 | |
| 554 | /* |
| 555 | * Cleanup UST global domain. |
| 556 | */ |
| 557 | static void destroy_domain_global(struct ltt_ust_domain_global *dom) |
| 558 | { |
| 559 | destroy_channels(dom->channels); |
| 560 | } |
| 561 | |
| 562 | /* |
| 563 | * Cleanup ust session structure |
| 564 | */ |
| 565 | void trace_ust_destroy_session(struct ltt_ust_session *session) |
| 566 | { |
| 567 | /* Extra protection */ |
| 568 | if (session == NULL) { |
| 569 | return; |
| 570 | } |
| 571 | |
| 572 | rcu_read_lock(); |
| 573 | |
| 574 | DBG2("Trace UST destroy session %u", session->id); |
| 575 | |
| 576 | /* Cleaning up UST domain */ |
| 577 | destroy_domain_global(&session->domain_global); |
| 578 | destroy_domain_pid(session->domain_pid); |
| 579 | destroy_domain_exec(session->domain_exec); |
| 580 | |
| 581 | consumer_destroy_output(session->consumer); |
| 582 | consumer_destroy_output(session->tmp_consumer); |
| 583 | |
| 584 | free(session); |
| 585 | |
| 586 | rcu_read_unlock(); |
| 587 | } |