Commit | Line | Data |
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d4a1283e JD |
1 | /* |
2 | * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca> | |
3 | * Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
4 | * | |
d14d33bf AM |
5 | * This program is free software; you can redistribute it and/or modify |
6 | * it under the terms of the GNU General Public License, version 2 only, | |
7 | * as published by the Free Software Foundation. | |
d4a1283e JD |
8 | * |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
d14d33bf AM |
14 | * You should have received a copy of the GNU General Public License along |
15 | * with this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
d4a1283e JD |
17 | */ |
18 | ||
19 | #define _GNU_SOURCE | |
20 | #include <fcntl.h> | |
21 | #include <getopt.h> | |
22 | #include <grp.h> | |
23 | #include <limits.h> | |
24 | #include <pthread.h> | |
25 | #include <signal.h> | |
26 | #include <stdio.h> | |
27 | #include <stdlib.h> | |
28 | #include <string.h> | |
29 | #include <sys/ipc.h> | |
1ccfc0e3 | 30 | #include <sys/resource.h> |
d4a1283e JD |
31 | #include <sys/shm.h> |
32 | #include <sys/socket.h> | |
33 | #include <sys/stat.h> | |
34 | #include <sys/types.h> | |
35 | #include <urcu/list.h> | |
36 | #include <poll.h> | |
37 | #include <unistd.h> | |
03424a9b | 38 | #include <sys/mman.h> |
5348b470 | 39 | #include <assert.h> |
3bd1e081 | 40 | #include <config.h> |
7753dea8 | 41 | #include <urcu/compiler.h> |
1ccfc0e3 | 42 | #include <ulimit.h> |
d4a1283e | 43 | |
db758600 DG |
44 | #include <common/defaults.h> |
45 | #include <common/common.h> | |
f02e1e8a | 46 | #include <common/consumer.h> |
331744e3 | 47 | #include <common/consumer-timer.h> |
fb3a43a9 | 48 | #include <common/compat/poll.h> |
10a8a223 | 49 | #include <common/sessiond-comm/sessiond-comm.h> |
5c635c72 | 50 | #include <common/utils.h> |
10a8a223 DG |
51 | |
52 | #include "lttng-consumerd.h" | |
1fc79fb4 | 53 | #include "health-consumerd.h" |
d4a1283e | 54 | |
99bab54f | 55 | /* TODO : support UST (all direct kernel-ctl accesses). */ |
3bd1e081 | 56 | |
d8ef542d | 57 | /* threads (channel handling, poll, metadata, sessiond) */ |
331744e3 | 58 | |
5c635c72 MD |
59 | static pthread_t channel_thread, data_thread, metadata_thread, |
60 | sessiond_thread, metadata_timer_thread, health_thread; | |
d4a1283e | 61 | |
3183dbb0 | 62 | /* to count the number of times the user pressed ctrl+c */ |
13e44745 JD |
63 | static int sigintcount = 0; |
64 | ||
d4a1283e | 65 | /* Argument variables */ |
97e19046 DG |
66 | int lttng_opt_quiet; /* not static in error.h */ |
67 | int lttng_opt_verbose; /* not static in error.h */ | |
c7e35b03 JR |
68 | int lttng_opt_mi; /* not static in error.h */ |
69 | ||
d4a1283e JD |
70 | static int opt_daemon; |
71 | static const char *progname; | |
6533b585 DG |
72 | static char command_sock_path[PATH_MAX]; /* Global command socket path */ |
73 | static char error_sock_path[PATH_MAX]; /* Global error path */ | |
3bd1e081 | 74 | static enum lttng_consumer_type opt_type = LTTNG_CONSUMER_KERNEL; |
d4a1283e | 75 | |
7753dea8 | 76 | /* the liblttngconsumerd context */ |
3bd1e081 | 77 | static struct lttng_consumer_local_data *ctx; |
cb040cc1 | 78 | |
1fc79fb4 MD |
79 | /* Consumerd health monitoring */ |
80 | struct health_app *health_consumerd; | |
81 | ||
6c71277b MD |
82 | const char *tracing_group_name = DEFAULT_TRACING_GROUP; |
83 | ||
748b7b07 MD |
84 | int lttng_consumer_ready = NR_LTTNG_CONSUMER_READY; |
85 | ||
5c635c72 MD |
86 | enum lttng_consumer_type lttng_consumer_get_type(void) |
87 | { | |
88 | if (!ctx) { | |
89 | return LTTNG_CONSUMER_UNKNOWN; | |
90 | } | |
91 | return ctx->type; | |
92 | } | |
93 | ||
d4a1283e | 94 | /* |
6533b585 | 95 | * Signal handler for the daemon |
d4a1283e JD |
96 | */ |
97 | static void sighandler(int sig) | |
98 | { | |
13e44745 JD |
99 | if (sig == SIGINT && sigintcount++ == 0) { |
100 | DBG("ignoring first SIGINT"); | |
101 | return; | |
102 | } | |
103 | ||
ab1027f4 DG |
104 | /* |
105 | * Ignore SIGPIPE because it should not stop the consumer whenever a | |
106 | * SIGPIPE is catched through a FD operation. | |
107 | */ | |
108 | if (sig == SIGPIPE) { | |
109 | return; | |
110 | } | |
111 | ||
3bd1e081 | 112 | lttng_consumer_should_exit(ctx); |
d4a1283e JD |
113 | } |
114 | ||
115 | /* | |
6533b585 | 116 | * Setup signal handler for : |
d4a1283e JD |
117 | * SIGINT, SIGTERM, SIGPIPE |
118 | */ | |
119 | static int set_signal_handler(void) | |
120 | { | |
121 | int ret = 0; | |
122 | struct sigaction sa; | |
123 | sigset_t sigset; | |
124 | ||
125 | if ((ret = sigemptyset(&sigset)) < 0) { | |
126 | perror("sigemptyset"); | |
127 | return ret; | |
128 | } | |
129 | ||
130 | sa.sa_handler = sighandler; | |
131 | sa.sa_mask = sigset; | |
132 | sa.sa_flags = 0; | |
133 | if ((ret = sigaction(SIGTERM, &sa, NULL)) < 0) { | |
134 | perror("sigaction"); | |
135 | return ret; | |
136 | } | |
137 | ||
138 | if ((ret = sigaction(SIGINT, &sa, NULL)) < 0) { | |
139 | perror("sigaction"); | |
140 | return ret; | |
141 | } | |
142 | ||
143 | if ((ret = sigaction(SIGPIPE, &sa, NULL)) < 0) { | |
144 | perror("sigaction"); | |
145 | return ret; | |
146 | } | |
147 | ||
148 | return ret; | |
149 | } | |
150 | ||
d4a1283e | 151 | /* |
3183dbb0 | 152 | * Usage function on stream file. |
d4a1283e | 153 | */ |
3183dbb0 | 154 | static void usage(FILE *fp) |
d4a1283e | 155 | { |
3183dbb0 DG |
156 | fprintf(fp, "Usage: %s OPTIONS\n\nOptions:\n", progname); |
157 | fprintf(fp, " -h, --help " | |
d4a1283e | 158 | "Display this usage.\n"); |
6c71277b | 159 | fprintf(fp, " -c, --consumerd-cmd-sock PATH " |
d4a1283e | 160 | "Specify path for the command socket\n"); |
6c71277b | 161 | fprintf(fp, " -e, --consumerd-err-sock PATH " |
d4a1283e | 162 | "Specify path for the error socket\n"); |
3183dbb0 | 163 | fprintf(fp, " -d, --daemonize " |
d4a1283e | 164 | "Start as a daemon.\n"); |
3183dbb0 | 165 | fprintf(fp, " -q, --quiet " |
d4a1283e | 166 | "No output at all.\n"); |
3183dbb0 | 167 | fprintf(fp, " -v, --verbose " |
d4a1283e | 168 | "Verbose mode. Activate DBG() macro.\n"); |
3183dbb0 | 169 | fprintf(fp, " -V, --version " |
d4a1283e | 170 | "Show version number.\n"); |
6c71277b MD |
171 | fprintf(fp, " -g, --group NAME " |
172 | "Specify the tracing group name. (default: tracing)\n"); | |
3183dbb0 | 173 | fprintf(fp, " -k, --kernel " |
3bd1e081 | 174 | "Consumer kernel buffers (default).\n"); |
3183dbb0 | 175 | fprintf(fp, " -u, --ust " |
3bd1e081 | 176 | "Consumer UST buffers.%s\n", |
74d0b642 | 177 | #ifdef HAVE_LIBLTTNG_UST_CTL |
3bd1e081 MD |
178 | "" |
179 | #else | |
180 | " (support not compiled in)" | |
181 | #endif | |
182 | ); | |
d4a1283e JD |
183 | } |
184 | ||
185 | /* | |
186 | * daemon argument parsing | |
187 | */ | |
188 | static void parse_args(int argc, char **argv) | |
189 | { | |
190 | int c; | |
191 | ||
192 | static struct option long_options[] = { | |
7753dea8 MD |
193 | { "consumerd-cmd-sock", 1, 0, 'c' }, |
194 | { "consumerd-err-sock", 1, 0, 'e' }, | |
d4a1283e | 195 | { "daemonize", 0, 0, 'd' }, |
6c71277b | 196 | { "group", 1, 0, 'g' }, |
d4a1283e JD |
197 | { "help", 0, 0, 'h' }, |
198 | { "quiet", 0, 0, 'q' }, | |
199 | { "verbose", 0, 0, 'v' }, | |
200 | { "version", 0, 0, 'V' }, | |
3bd1e081 | 201 | { "kernel", 0, 0, 'k' }, |
74d0b642 | 202 | #ifdef HAVE_LIBLTTNG_UST_CTL |
3bd1e081 MD |
203 | { "ust", 0, 0, 'u' }, |
204 | #endif | |
d4a1283e JD |
205 | { NULL, 0, 0, 0 } |
206 | }; | |
207 | ||
208 | while (1) { | |
209 | int option_index = 0; | |
6c71277b | 210 | c = getopt_long(argc, argv, "dhqvVku" "c:e:g:", long_options, &option_index); |
d4a1283e JD |
211 | if (c == -1) { |
212 | break; | |
213 | } | |
214 | ||
215 | switch (c) { | |
914a571b JD |
216 | case 0: |
217 | fprintf(stderr, "option %s", long_options[option_index].name); | |
218 | if (optarg) { | |
219 | fprintf(stderr, " with arg %s\n", optarg); | |
220 | } | |
221 | break; | |
222 | case 'c': | |
223 | snprintf(command_sock_path, PATH_MAX, "%s", optarg); | |
224 | break; | |
225 | case 'e': | |
226 | snprintf(error_sock_path, PATH_MAX, "%s", optarg); | |
227 | break; | |
228 | case 'd': | |
229 | opt_daemon = 1; | |
230 | break; | |
6c71277b MD |
231 | case 'g': |
232 | tracing_group_name = optarg; | |
233 | break; | |
914a571b | 234 | case 'h': |
3183dbb0 DG |
235 | usage(stdout); |
236 | exit(EXIT_SUCCESS); | |
914a571b | 237 | case 'q': |
97e19046 | 238 | lttng_opt_quiet = 1; |
914a571b JD |
239 | break; |
240 | case 'v': | |
97e19046 | 241 | lttng_opt_verbose = 1; |
914a571b JD |
242 | break; |
243 | case 'V': | |
244 | fprintf(stdout, "%s\n", VERSION); | |
245 | exit(EXIT_SUCCESS); | |
3bd1e081 MD |
246 | case 'k': |
247 | opt_type = LTTNG_CONSUMER_KERNEL; | |
248 | break; | |
74d0b642 | 249 | #ifdef HAVE_LIBLTTNG_UST_CTL |
3bd1e081 | 250 | case 'u': |
7753dea8 MD |
251 | # if (CAA_BITS_PER_LONG == 64) |
252 | opt_type = LTTNG_CONSUMER64_UST; | |
253 | # elif (CAA_BITS_PER_LONG == 32) | |
254 | opt_type = LTTNG_CONSUMER32_UST; | |
255 | # else | |
256 | # error "Unknown bitness" | |
257 | # endif | |
3bd1e081 MD |
258 | break; |
259 | #endif | |
914a571b | 260 | default: |
3183dbb0 | 261 | usage(stderr); |
914a571b | 262 | exit(EXIT_FAILURE); |
d4a1283e JD |
263 | } |
264 | } | |
265 | } | |
266 | ||
1ccfc0e3 DG |
267 | /* |
268 | * Set open files limit to unlimited. This daemon can open a large number of | |
269 | * file descriptors in order to consumer multiple kernel traces. | |
270 | */ | |
271 | static void set_ulimit(void) | |
272 | { | |
273 | int ret; | |
274 | struct rlimit lim; | |
275 | ||
276 | /* The kernel does not allowed an infinite limit for open files */ | |
277 | lim.rlim_cur = 65535; | |
278 | lim.rlim_max = 65535; | |
279 | ||
280 | ret = setrlimit(RLIMIT_NOFILE, &lim); | |
281 | if (ret < 0) { | |
282 | PERROR("failed to set open files limit"); | |
283 | } | |
284 | } | |
285 | ||
d4a1283e JD |
286 | /* |
287 | * main | |
288 | */ | |
289 | int main(int argc, char **argv) | |
290 | { | |
d4a1283e JD |
291 | int ret = 0; |
292 | void *status; | |
293 | ||
294 | /* Parse arguments */ | |
295 | progname = argv[0]; | |
296 | parse_args(argc, argv); | |
297 | ||
298 | /* Daemonize */ | |
299 | if (opt_daemon) { | |
ceed52b5 MD |
300 | int i; |
301 | ||
302 | /* | |
303 | * fork | |
304 | * child: setsid, close FD 0, 1, 2, chdir / | |
305 | * parent: exit (if fork is successful) | |
306 | */ | |
d4a1283e JD |
307 | ret = daemon(0, 0); |
308 | if (ret < 0) { | |
ceed52b5 | 309 | PERROR("daemon"); |
d4a1283e JD |
310 | goto error; |
311 | } | |
ceed52b5 MD |
312 | /* |
313 | * We are in the child. Make sure all other file | |
314 | * descriptors are closed, in case we are called with | |
315 | * more opened file descriptors than the standard ones. | |
316 | */ | |
317 | for (i = 3; i < sysconf(_SC_OPEN_MAX); i++) { | |
318 | (void) close(i); | |
319 | } | |
d4a1283e JD |
320 | } |
321 | ||
fb3a43a9 DG |
322 | /* Set up max poll set size */ |
323 | lttng_poll_set_max_size(); | |
324 | ||
9d035200 | 325 | if (*command_sock_path == '\0') { |
7753dea8 MD |
326 | switch (opt_type) { |
327 | case LTTNG_CONSUMER_KERNEL: | |
60922cb0 | 328 | snprintf(command_sock_path, PATH_MAX, DEFAULT_KCONSUMERD_CMD_SOCK_PATH, |
990570ed | 329 | DEFAULT_LTTNG_RUNDIR); |
7753dea8 MD |
330 | break; |
331 | case LTTNG_CONSUMER64_UST: | |
67e40797 | 332 | snprintf(command_sock_path, PATH_MAX, |
60922cb0 | 333 | DEFAULT_USTCONSUMERD64_CMD_SOCK_PATH, DEFAULT_LTTNG_RUNDIR); |
7753dea8 MD |
334 | break; |
335 | case LTTNG_CONSUMER32_UST: | |
67e40797 | 336 | snprintf(command_sock_path, PATH_MAX, |
60922cb0 | 337 | DEFAULT_USTCONSUMERD32_CMD_SOCK_PATH, DEFAULT_LTTNG_RUNDIR); |
7753dea8 MD |
338 | break; |
339 | default: | |
340 | WARN("Unknown consumerd type"); | |
341 | goto error; | |
342 | } | |
d4a1283e | 343 | } |
e4421fec DG |
344 | |
345 | /* Init */ | |
282dadbc MD |
346 | if (lttng_consumer_init() < 0) { |
347 | goto error; | |
348 | } | |
349 | ||
e98ec547 MD |
350 | /* Init socket timeouts */ |
351 | lttcomm_init(); | |
352 | lttcomm_inet_init(); | |
e4421fec | 353 | |
1ccfc0e3 DG |
354 | if (!getuid()) { |
355 | /* Set limit for open files */ | |
356 | set_ulimit(); | |
357 | } | |
358 | ||
1fc79fb4 MD |
359 | health_consumerd = health_app_create(NR_HEALTH_CONSUMERD_TYPES); |
360 | if (!health_consumerd) { | |
361 | goto error; | |
362 | } | |
363 | ||
5348b470 | 364 | /* create the consumer instance with and assign the callbacks */ |
d41f73b7 MD |
365 | ctx = lttng_consumer_create(opt_type, lttng_consumer_read_subbuffer, |
366 | NULL, lttng_consumer_on_recv_stream, NULL); | |
cb040cc1 JD |
367 | if (ctx == NULL) { |
368 | goto error; | |
369 | } | |
370 | ||
3bd1e081 | 371 | lttng_consumer_set_command_sock_path(ctx, command_sock_path); |
9d035200 | 372 | if (*error_sock_path == '\0') { |
7753dea8 MD |
373 | switch (opt_type) { |
374 | case LTTNG_CONSUMER_KERNEL: | |
60922cb0 | 375 | snprintf(error_sock_path, PATH_MAX, DEFAULT_KCONSUMERD_ERR_SOCK_PATH, |
990570ed | 376 | DEFAULT_LTTNG_RUNDIR); |
7753dea8 MD |
377 | break; |
378 | case LTTNG_CONSUMER64_UST: | |
67e40797 | 379 | snprintf(error_sock_path, PATH_MAX, |
60922cb0 | 380 | DEFAULT_USTCONSUMERD64_ERR_SOCK_PATH, DEFAULT_LTTNG_RUNDIR); |
7753dea8 MD |
381 | break; |
382 | case LTTNG_CONSUMER32_UST: | |
67e40797 | 383 | snprintf(error_sock_path, PATH_MAX, |
60922cb0 | 384 | DEFAULT_USTCONSUMERD32_ERR_SOCK_PATH, DEFAULT_LTTNG_RUNDIR); |
7753dea8 MD |
385 | break; |
386 | default: | |
387 | WARN("Unknown consumerd type"); | |
388 | goto error; | |
389 | } | |
d4a1283e JD |
390 | } |
391 | ||
392 | if (set_signal_handler() < 0) { | |
393 | goto error; | |
394 | } | |
395 | ||
32258573 | 396 | /* Connect to the socket created by lttng-sessiond to report errors */ |
d4a1283e | 397 | DBG("Connecting to error socket %s", error_sock_path); |
1ce86c9a | 398 | ret = lttcomm_connect_unix_sock(error_sock_path); |
32258573 | 399 | /* not a fatal error, but all communication with lttng-sessiond will fail */ |
1ce86c9a | 400 | if (ret < 0) { |
99bab54f | 401 | WARN("Cannot connect to error socket (is lttng-sessiond started?)"); |
d4a1283e | 402 | } |
3bd1e081 | 403 | lttng_consumer_set_error_sock(ctx, ret); |
d4a1283e | 404 | |
331744e3 | 405 | /* |
d3e2ba59 JD |
406 | * Block RT signals used for UST periodical metadata flush and the live |
407 | * timer in main, and create a dedicated thread to handle these signals. | |
331744e3 | 408 | */ |
d3e2ba59 JD |
409 | consumer_signal_init(); |
410 | ||
331744e3 JD |
411 | ctx->type = opt_type; |
412 | ||
5c635c72 MD |
413 | ret = utils_create_pipe(health_quit_pipe); |
414 | if (ret < 0) { | |
415 | goto error_health_pipe; | |
416 | } | |
417 | ||
418 | /* Create thread to manage the client socket */ | |
419 | ret = pthread_create(&health_thread, NULL, | |
420 | thread_manage_health, (void *) NULL); | |
421 | if (ret != 0) { | |
422 | PERROR("pthread_create health"); | |
423 | goto health_error; | |
424 | } | |
425 | ||
748b7b07 MD |
426 | /* |
427 | * Wait for health thread to be initialized before letting the | |
428 | * sessiond thread reply to the sessiond that we are ready. | |
429 | */ | |
430 | while (uatomic_read(<tng_consumer_ready)) { | |
1f3130d5 | 431 | usleep(100000); |
748b7b07 MD |
432 | } |
433 | cmm_smp_mb(); /* Read ready before following operations */ | |
434 | ||
d8ef542d MD |
435 | /* Create thread to manage channels */ |
436 | ret = pthread_create(&channel_thread, NULL, consumer_thread_channel_poll, | |
437 | (void *) ctx); | |
438 | if (ret != 0) { | |
439 | perror("pthread_create"); | |
5c635c72 | 440 | goto channel_error; |
d8ef542d MD |
441 | } |
442 | ||
7d980def | 443 | /* Create thread to manage the polling/writing of trace metadata */ |
df27ef7b | 444 | ret = pthread_create(&metadata_thread, NULL, consumer_thread_metadata_poll, |
7d980def DG |
445 | (void *) ctx); |
446 | if (ret != 0) { | |
447 | perror("pthread_create"); | |
d8ef542d | 448 | goto metadata_error; |
7d980def DG |
449 | } |
450 | ||
451 | /* Create thread to manage the polling/writing of trace data */ | |
df27ef7b | 452 | ret = pthread_create(&data_thread, NULL, consumer_thread_data_poll, |
cb040cc1 | 453 | (void *) ctx); |
d4a1283e JD |
454 | if (ret != 0) { |
455 | perror("pthread_create"); | |
df27ef7b | 456 | goto data_error; |
d4a1283e JD |
457 | } |
458 | ||
7d980def | 459 | /* Create the thread to manage the receive of fd */ |
df27ef7b | 460 | ret = pthread_create(&sessiond_thread, NULL, consumer_thread_sessiond_poll, |
cb040cc1 | 461 | (void *) ctx); |
d4a1283e JD |
462 | if (ret != 0) { |
463 | perror("pthread_create"); | |
df27ef7b DG |
464 | goto sessiond_error; |
465 | } | |
466 | ||
d3e2ba59 JD |
467 | /* |
468 | * Create the thread to manage the UST metadata periodic timer and | |
469 | * live timer. | |
470 | */ | |
471 | ret = pthread_create(&metadata_timer_thread, NULL, | |
472 | consumer_timer_thread, (void *) ctx); | |
473 | if (ret != 0) { | |
474 | perror("pthread_create"); | |
475 | goto metadata_timer_error; | |
476 | } | |
331744e3 | 477 | |
d3e2ba59 JD |
478 | ret = pthread_detach(metadata_timer_thread); |
479 | if (ret) { | |
480 | errno = ret; | |
481 | perror("pthread_detach"); | |
331744e3 JD |
482 | } |
483 | ||
484 | metadata_timer_error: | |
df27ef7b DG |
485 | ret = pthread_join(sessiond_thread, &status); |
486 | if (ret != 0) { | |
487 | perror("pthread_join"); | |
d4a1283e JD |
488 | goto error; |
489 | } | |
490 | ||
df27ef7b DG |
491 | sessiond_error: |
492 | ret = pthread_join(data_thread, &status); | |
493 | if (ret != 0) { | |
494 | perror("pthread_join"); | |
495 | goto error; | |
496 | } | |
497 | ||
498 | data_error: | |
499 | ret = pthread_join(metadata_thread, &status); | |
500 | if (ret != 0) { | |
501 | perror("pthread_join"); | |
502 | goto error; | |
503 | } | |
504 | ||
d8ef542d MD |
505 | metadata_error: |
506 | ret = pthread_join(channel_thread, &status); | |
507 | if (ret != 0) { | |
508 | perror("pthread_join"); | |
509 | goto error; | |
510 | } | |
511 | ||
5c635c72 MD |
512 | channel_error: |
513 | ret = pthread_join(health_thread, &status); | |
514 | if (ret != 0) { | |
515 | PERROR("pthread_join health thread"); | |
516 | goto error; /* join error, exit without cleanup */ | |
517 | } | |
518 | ||
519 | health_error: | |
520 | utils_close_pipe(health_quit_pipe); | |
521 | ||
522 | error_health_pipe: | |
df27ef7b DG |
523 | if (!ret) { |
524 | ret = EXIT_SUCCESS; | |
df27ef7b | 525 | goto end; |
d4a1283e | 526 | } |
d4a1283e JD |
527 | |
528 | error: | |
529 | ret = EXIT_FAILURE; | |
d4a1283e JD |
530 | |
531 | end: | |
3bd1e081 MD |
532 | lttng_consumer_destroy(ctx); |
533 | lttng_consumer_cleanup(); | |
1fc79fb4 MD |
534 | if (health_consumerd) { |
535 | health_app_destroy(health_consumerd); | |
536 | } | |
d4a1283e | 537 | |
a8ff9d6e MD |
538 | /* Ensure all prior call_rcu are done. */ |
539 | rcu_barrier(); | |
d4a1283e JD |
540 | return ret; |
541 | } |