Commit | Line | Data |
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f3ed775e DG |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
82a3637f DG |
6 | * as published by the Free Software Foundation; only version 2 |
7 | * of the License. | |
f3ed775e DG |
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 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, write to the Free Software | |
16 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
17 | */ | |
18 | ||
19 | #define _GNU_SOURCE | |
9f19cc17 | 20 | #include <inttypes.h> |
f3ed775e DG |
21 | #include <popt.h> |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
7a3d1328 | 25 | #include <assert.h> |
f3ed775e | 26 | |
6e2d116c | 27 | #include "../cmd.h" |
f3ed775e DG |
28 | |
29 | static int opt_pid; | |
9f19cc17 | 30 | static int opt_userspace; |
eeac7d46 | 31 | static char *opt_cmd_name; |
9f19cc17 DG |
32 | static int opt_kernel; |
33 | static char *opt_channel; | |
34 | static int opt_domain; | |
35 | ||
36 | const char *indent4 = " "; | |
37 | const char *indent6 = " "; | |
38 | const char *indent8 = " "; | |
f3ed775e DG |
39 | |
40 | enum { | |
41 | OPT_HELP = 1, | |
eeac7d46 | 42 | OPT_USERSPACE, |
f3ed775e DG |
43 | }; |
44 | ||
cd80958d DG |
45 | static struct lttng_handle *handle; |
46 | ||
f3ed775e DG |
47 | static struct poptOption long_options[] = { |
48 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
49 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, | |
9f19cc17 | 50 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, |
6caa2bcc | 51 | {"userspace", 'u', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_cmd_name, OPT_USERSPACE, 0, 0}, |
9f19cc17 DG |
52 | {"pid", 'p', POPT_ARG_INT, &opt_pid, 0, 0, 0}, |
53 | {"channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0}, | |
54 | {"domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0}, | |
f3ed775e DG |
55 | {0, 0, 0, 0, 0, 0, 0} |
56 | }; | |
57 | ||
58 | /* | |
59 | * usage | |
60 | */ | |
61 | static void usage(FILE *ofp) | |
62 | { | |
9f19cc17 DG |
63 | fprintf(ofp, "usage: lttng list [[-k] [-u] [-p PID] [SESSION [<options>]]]\n"); |
64 | fprintf(ofp, "\n"); | |
65 | fprintf(ofp, "With no arguments, list available tracing session(s)\n"); | |
66 | fprintf(ofp, "\n"); | |
67 | fprintf(ofp, "With -k alone, list available kernel events\n"); | |
68 | fprintf(ofp, "With -u alone, list available userspace events\n"); | |
69 | fprintf(ofp, "\n"); | |
70 | fprintf(ofp, " -h, --help Show this help\n"); | |
71 | fprintf(ofp, " -k, --kernel Select kernel domain\n"); | |
72 | fprintf(ofp, " -u, --userspace Select user-space domain.\n"); | |
73 | fprintf(ofp, " -p, --pid PID List user-space events by PID\n"); | |
f3ed775e | 74 | fprintf(ofp, "\n"); |
9f19cc17 DG |
75 | fprintf(ofp, "Options:\n"); |
76 | fprintf(ofp, " -c, --channel NAME List details of a channel\n"); | |
77 | fprintf(ofp, " -d, --domain List available domain(s)\n"); | |
f3ed775e DG |
78 | fprintf(ofp, "\n"); |
79 | } | |
80 | ||
81 | /* | |
9f19cc17 | 82 | * Get command line from /proc for a specific pid. |
f3ed775e | 83 | * |
9f19cc17 DG |
84 | * On success, return an allocated string pointer to the proc cmdline. |
85 | * On error, return NULL. | |
f3ed775e DG |
86 | */ |
87 | static char *get_cmdline_by_pid(pid_t pid) | |
88 | { | |
89 | int ret; | |
90 | FILE *fp; | |
91 | char *cmdline = NULL; | |
92 | char path[24]; /* Can't go bigger than /proc/65535/cmdline */ | |
93 | ||
94 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); | |
95 | fp = fopen(path, "r"); | |
96 | if (fp == NULL) { | |
97 | goto end; | |
98 | } | |
99 | ||
100 | /* Caller must free() *cmdline */ | |
101 | cmdline = malloc(PATH_MAX); | |
102 | ret = fread(cmdline, 1, PATH_MAX, fp); | |
f40799e8 DG |
103 | if (ret < 0) { |
104 | perror("fread proc list"); | |
105 | } | |
f3ed775e DG |
106 | fclose(fp); |
107 | ||
108 | end: | |
109 | return cmdline; | |
110 | } | |
b551a063 | 111 | |
464dd62d MD |
112 | static |
113 | const char *active_string(int value) | |
114 | { | |
115 | switch (value) { | |
b09f0429 MD |
116 | case 0: return " [inactive]"; |
117 | case 1: return " [active]"; | |
464dd62d MD |
118 | case -1: return ""; |
119 | default: return NULL; | |
120 | } | |
121 | } | |
122 | ||
123 | static | |
124 | const char *enabled_string(int value) | |
125 | { | |
126 | switch (value) { | |
b09f0429 MD |
127 | case 0: return " [disabled]"; |
128 | case 1: return " [enabled]"; | |
464dd62d MD |
129 | case -1: return ""; |
130 | default: return NULL; | |
131 | } | |
132 | } | |
133 | ||
b551a063 DG |
134 | /* |
135 | * Pretty print single event. | |
136 | */ | |
137 | static void print_events(struct lttng_event *event) | |
138 | { | |
139 | switch (event->type) { | |
140 | case LTTNG_EVENT_TRACEPOINT: | |
464dd62d MD |
141 | MSG("%s%s (type: tracepoint)%s", indent6, |
142 | event->name, enabled_string(event->enabled)); | |
b551a063 DG |
143 | break; |
144 | case LTTNG_EVENT_PROBE: | |
464dd62d MD |
145 | MSG("%s%s (type: probe)%s", indent6, |
146 | event->name, enabled_string(event->enabled)); | |
b551a063 DG |
147 | if (event->attr.probe.addr != 0) { |
148 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
149 | } else { | |
150 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
151 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
152 | } | |
153 | break; | |
154 | case LTTNG_EVENT_FUNCTION: | |
155 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
464dd62d MD |
156 | MSG("%s%s (type: function)%s", indent6, |
157 | event->name, enabled_string(event->enabled)); | |
b551a063 DG |
158 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
159 | break; | |
160 | case LTTNG_EVENT_SYSCALL: | |
464dd62d MD |
161 | MSG("%s (type: syscall)%s", indent6, |
162 | enabled_string(event->enabled)); | |
b551a063 DG |
163 | break; |
164 | case LTTNG_EVENT_NOOP: | |
464dd62d MD |
165 | MSG("%s (type: noop)%s", indent6, |
166 | enabled_string(event->enabled)); | |
b551a063 DG |
167 | break; |
168 | case LTTNG_EVENT_ALL: | |
169 | /* We should never have "all" events in list. */ | |
170 | assert(0); | |
171 | break; | |
172 | } | |
173 | } | |
174 | ||
175 | /* | |
176 | * Ask session daemon for all user space tracepoints available. | |
177 | */ | |
178 | static int list_ust_events(void) | |
179 | { | |
180 | int i, size; | |
181 | struct lttng_domain domain; | |
182 | struct lttng_handle *handle; | |
183 | struct lttng_event *event_list; | |
184 | pid_t cur_pid = 0; | |
185 | ||
186 | DBG("Getting UST tracing events"); | |
187 | ||
188 | domain.type = LTTNG_DOMAIN_UST; | |
189 | ||
190 | handle = lttng_create_handle(NULL, &domain); | |
191 | if (handle == NULL) { | |
192 | goto error; | |
193 | } | |
194 | ||
195 | size = lttng_list_tracepoints(handle, &event_list); | |
196 | if (size < 0) { | |
197 | ERR("Unable to list UST events"); | |
198 | return size; | |
199 | } | |
200 | ||
201 | MSG("UST events:\n-------------"); | |
202 | ||
203 | if (size == 0) { | |
204 | MSG("None"); | |
205 | } | |
206 | ||
207 | for (i = 0; i < size; i++) { | |
208 | if (cur_pid != event_list[i].pid) { | |
209 | cur_pid = event_list[i].pid; | |
210 | MSG("\nPID: %d - Name: %s", cur_pid, get_cmdline_by_pid(cur_pid)); | |
211 | } | |
212 | print_events(&event_list[i]); | |
213 | } | |
214 | ||
215 | MSG(""); | |
216 | ||
217 | free(event_list); | |
218 | ||
219 | return CMD_SUCCESS; | |
220 | ||
221 | error: | |
222 | return -1; | |
223 | } | |
f3ed775e DG |
224 | |
225 | /* | |
9f19cc17 | 226 | * Ask for all trace events in the kernel and pretty print them. |
f3ed775e | 227 | */ |
9f19cc17 | 228 | static int list_kernel_events(void) |
f3ed775e | 229 | { |
9f19cc17 | 230 | int i, size; |
b551a063 DG |
231 | struct lttng_domain domain; |
232 | struct lttng_handle *handle; | |
9f19cc17 | 233 | struct lttng_event *event_list; |
f3ed775e | 234 | |
b551a063 DG |
235 | DBG("Getting kernel tracing events"); |
236 | ||
237 | domain.type = LTTNG_DOMAIN_KERNEL; | |
238 | ||
239 | handle = lttng_create_handle(NULL, &domain); | |
240 | if (handle == NULL) { | |
241 | goto error; | |
242 | } | |
f3ed775e | 243 | |
cd80958d | 244 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 DG |
245 | if (size < 0) { |
246 | ERR("Unable to list kernel events"); | |
247 | return size; | |
f3ed775e DG |
248 | } |
249 | ||
9f19cc17 | 250 | MSG("Kernel events:\n-------------"); |
f3ed775e | 251 | |
9f19cc17 | 252 | for (i = 0; i < size; i++) { |
b551a063 | 253 | print_events(&event_list[i]); |
f3ed775e DG |
254 | } |
255 | ||
b551a063 DG |
256 | MSG(""); |
257 | ||
f3ed775e DG |
258 | free(event_list); |
259 | ||
260 | return CMD_SUCCESS; | |
b551a063 DG |
261 | |
262 | error: | |
263 | return -1; | |
f3ed775e DG |
264 | } |
265 | ||
266 | /* | |
9f19cc17 | 267 | * List events of channel of session and domain. |
f3ed775e | 268 | */ |
cd80958d | 269 | static int list_events(const char *channel_name) |
f3ed775e DG |
270 | { |
271 | int ret, count, i; | |
9f19cc17 | 272 | struct lttng_event *events = NULL; |
f3ed775e | 273 | |
cd80958d | 274 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e DG |
275 | if (count < 0) { |
276 | ret = count; | |
277 | goto error; | |
278 | } | |
279 | ||
9f19cc17 DG |
280 | MSG("\n%sEvents:", indent4); |
281 | if (count == 0) { | |
282 | MSG("%sNone", indent6); | |
283 | goto end; | |
284 | } | |
285 | ||
f3ed775e | 286 | for (i = 0; i < count; i++) { |
b551a063 | 287 | print_events(&events[i]); |
f3ed775e DG |
288 | } |
289 | ||
9f19cc17 | 290 | MSG(""); |
f3ed775e | 291 | |
9f19cc17 DG |
292 | end: |
293 | if (events) { | |
294 | free(events); | |
295 | } | |
296 | ret = CMD_SUCCESS; | |
f3ed775e DG |
297 | |
298 | error: | |
299 | return ret; | |
300 | } | |
301 | ||
302 | /* | |
9f19cc17 DG |
303 | * Pretty print channel |
304 | */ | |
305 | static void print_channel(struct lttng_channel *channel) | |
306 | { | |
464dd62d | 307 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
308 | |
309 | MSG("%sAttributes:", indent4); | |
310 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); | |
311 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
312 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); | |
313 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); | |
314 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
315 | switch (channel->attr.output) { | |
316 | case LTTNG_EVENT_SPLICE: | |
317 | MSG("%soutput: splice()", indent6); | |
318 | break; | |
319 | case LTTNG_EVENT_MMAP: | |
320 | MSG("%soutput: mmap()", indent6); | |
321 | break; | |
322 | } | |
323 | } | |
324 | ||
325 | /* | |
326 | * List channel(s) of session and domain. | |
f3ed775e | 327 | * |
9f19cc17 | 328 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 329 | */ |
cd80958d | 330 | static int list_channels(const char *channel_name) |
f3ed775e | 331 | { |
9f19cc17 DG |
332 | int count, i, ret = CMD_SUCCESS; |
333 | unsigned int chan_found = 0; | |
334 | struct lttng_channel *channels = NULL; | |
f3ed775e | 335 | |
3e25cb20 | 336 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 337 | |
cd80958d | 338 | count = lttng_list_channels(handle, &channels); |
f3ed775e DG |
339 | if (count < 0) { |
340 | ret = count; | |
341 | goto error; | |
9f19cc17 DG |
342 | } else if (count == 0) { |
343 | MSG("No channel found"); | |
344 | goto end; | |
f3ed775e DG |
345 | } |
346 | ||
9f19cc17 DG |
347 | if (channel_name == NULL) { |
348 | MSG("Channels:\n-------------"); | |
349 | } | |
350 | ||
351 | for (i = 0; i < count; i++) { | |
352 | if (channel_name != NULL) { | |
353 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
354 | chan_found = 1; | |
355 | } else { | |
356 | continue; | |
357 | } | |
358 | } | |
359 | print_channel(&channels[i]); | |
360 | ||
361 | /* Listing events per channel */ | |
cd80958d | 362 | ret = list_events(channels[i].name); |
9f19cc17 | 363 | if (ret < 0) { |
9a745bc7 | 364 | MSG("%s", lttng_strerror(ret)); |
9f19cc17 DG |
365 | } |
366 | ||
367 | if (chan_found) { | |
368 | break; | |
f3ed775e | 369 | } |
f3ed775e DG |
370 | } |
371 | ||
9f19cc17 DG |
372 | if (!chan_found && channel_name != NULL) { |
373 | MSG("Channel %s not found", channel_name); | |
374 | } | |
f3ed775e | 375 | |
9f19cc17 DG |
376 | end: |
377 | free(channels); | |
378 | ret = CMD_SUCCESS; | |
f3ed775e DG |
379 | |
380 | error: | |
381 | return ret; | |
382 | } | |
383 | ||
384 | /* | |
9f19cc17 | 385 | * List available tracing session. List only basic information. |
f3ed775e | 386 | * |
9f19cc17 | 387 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 388 | */ |
9f19cc17 | 389 | static int list_sessions(const char *session_name) |
f3ed775e | 390 | { |
9f19cc17 DG |
391 | int ret, count, i; |
392 | unsigned int session_found = 0; | |
393 | struct lttng_session *sessions; | |
394 | ||
395 | count = lttng_list_sessions(&sessions); | |
396 | DBG("Session count %d", count); | |
397 | if (count < 0) { | |
398 | ret = count; | |
399 | goto error; | |
400 | } | |
401 | ||
402 | if (session_name == NULL) { | |
403 | MSG("Available tracing sessions:"); | |
404 | } | |
405 | ||
406 | for (i = 0; i < count; i++) { | |
407 | if (session_name != NULL) { | |
408 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
409 | session_found = 1; | |
464dd62d | 410 | MSG("Tracing session %s:%s", session_name, active_string(sessions[i].enabled)); |
9f19cc17 DG |
411 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); |
412 | break; | |
413 | } | |
cd80958d | 414 | continue; |
9f19cc17 DG |
415 | } |
416 | ||
464dd62d | 417 | MSG(" %d) %s (%s)%s", i + 1, sessions[i].name, sessions[i].path, active_string(sessions[i].enabled)); |
9f19cc17 DG |
418 | |
419 | if (session_found) { | |
420 | break; | |
421 | } | |
422 | } | |
423 | ||
424 | free(sessions); | |
425 | ||
426 | if (!session_found && session_name != NULL) { | |
427 | MSG("Session %s not found", session_name); | |
428 | } | |
429 | ||
430 | if (session_name == NULL) { | |
6e0de39b | 431 | MSG("\nUse lttng list <session_name> for more details"); |
9f19cc17 | 432 | } |
f3ed775e DG |
433 | |
434 | return CMD_SUCCESS; | |
435 | ||
436 | error: | |
437 | return ret; | |
438 | } | |
f3ed775e DG |
439 | |
440 | /* | |
9f19cc17 | 441 | * List available domain(s) for a session. |
f3ed775e | 442 | */ |
cd80958d | 443 | static int list_domains(void) |
f3ed775e | 444 | { |
9f19cc17 DG |
445 | int i, count, ret = CMD_SUCCESS; |
446 | struct lttng_domain *domains = NULL; | |
447 | ||
448 | MSG("Domains:\n-------------"); | |
449 | ||
cd80958d | 450 | count = lttng_list_domains(handle, &domains); |
9f19cc17 DG |
451 | if (count < 0) { |
452 | ret = count; | |
453 | goto error; | |
454 | } else if (count == 0) { | |
455 | MSG(" None"); | |
456 | goto end; | |
457 | } | |
458 | ||
459 | for (i = 0; i < count; i++) { | |
460 | switch (domains[i].type) { | |
461 | case LTTNG_DOMAIN_KERNEL: | |
462 | MSG(" - Kernel"); | |
b551a063 DG |
463 | break; |
464 | case LTTNG_DOMAIN_UST: | |
465 | MSG(" - UST global"); | |
466 | break; | |
9f19cc17 DG |
467 | default: |
468 | break; | |
469 | } | |
470 | } | |
471 | ||
472 | end: | |
473 | free(domains); | |
474 | ||
475 | error: | |
476 | return ret; | |
f3ed775e | 477 | } |
f3ed775e DG |
478 | |
479 | /* | |
9f19cc17 | 480 | * The 'list <options>' first level command |
f3ed775e DG |
481 | */ |
482 | int cmd_list(int argc, const char **argv) | |
483 | { | |
9f19cc17 | 484 | int opt, i, ret = CMD_SUCCESS; |
c3919711 | 485 | int nb_domain; |
9f19cc17 | 486 | const char *session_name; |
f3ed775e | 487 | static poptContext pc; |
9f19cc17 DG |
488 | struct lttng_domain domain; |
489 | struct lttng_domain *domains = NULL; | |
f3ed775e | 490 | |
9f19cc17 | 491 | if (argc < 1) { |
f3ed775e DG |
492 | usage(stderr); |
493 | goto end; | |
494 | } | |
495 | ||
496 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
497 | poptReadDefaultConfig(pc, 0); | |
498 | ||
499 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
500 | switch (opt) { | |
501 | case OPT_HELP: | |
502 | usage(stderr); | |
503 | goto end; | |
eeac7d46 MD |
504 | case OPT_USERSPACE: |
505 | opt_userspace = 1; | |
eeac7d46 | 506 | break; |
f3ed775e DG |
507 | default: |
508 | usage(stderr); | |
509 | ret = CMD_UNDEFINED; | |
510 | goto end; | |
511 | } | |
512 | } | |
513 | ||
b551a063 DG |
514 | if (opt_pid != 0) { |
515 | MSG("*** Userspace tracing not implemented for PID ***\n"); | |
f3ed775e DG |
516 | } |
517 | ||
9f19cc17 DG |
518 | /* Get session name (trailing argument) */ |
519 | session_name = poptGetArg(pc); | |
b551a063 | 520 | DBG2("Session name: %s", session_name); |
9f19cc17 | 521 | |
cd80958d DG |
522 | if (opt_kernel) { |
523 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
524 | } else if (opt_userspace) { |
525 | DBG2("Listing userspace global domain"); | |
526 | domain.type = LTTNG_DOMAIN_UST; | |
cd80958d DG |
527 | } |
528 | ||
529 | handle = lttng_create_handle(session_name, &domain); | |
530 | if (handle == NULL) { | |
531 | goto end; | |
532 | } | |
533 | ||
9f19cc17 | 534 | if (session_name == NULL) { |
b551a063 DG |
535 | if (!opt_kernel && !opt_userspace) { |
536 | ret = list_sessions(NULL); | |
537 | if (ret < 0) { | |
538 | goto end; | |
539 | } | |
540 | } | |
9f19cc17 DG |
541 | if (opt_kernel) { |
542 | ret = list_kernel_events(); | |
543 | if (ret < 0) { | |
544 | goto end; | |
545 | } | |
b551a063 DG |
546 | } |
547 | if (opt_userspace) { | |
548 | ret = list_ust_events(); | |
9f19cc17 DG |
549 | if (ret < 0) { |
550 | goto end; | |
551 | } | |
552 | } | |
553 | } else { | |
554 | /* List session attributes */ | |
555 | ret = list_sessions(session_name); | |
556 | if (ret < 0) { | |
557 | goto end; | |
558 | } | |
559 | ||
560 | /* Domain listing */ | |
561 | if (opt_domain) { | |
cd80958d | 562 | ret = list_domains(); |
9f19cc17 DG |
563 | goto end; |
564 | } | |
565 | ||
566 | if (opt_kernel) { | |
9f19cc17 | 567 | /* Channel listing */ |
cd80958d | 568 | ret = list_channels(opt_channel); |
9f19cc17 DG |
569 | if (ret < 0) { |
570 | goto end; | |
571 | } | |
9f19cc17 DG |
572 | } else { |
573 | /* We want all domain(s) */ | |
b551a063 DG |
574 | nb_domain = lttng_list_domains(handle, &domains); |
575 | if (nb_domain < 0) { | |
576 | ret = nb_domain; | |
9f19cc17 DG |
577 | goto end; |
578 | } | |
579 | ||
b551a063 | 580 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
581 | switch (domains[i].type) { |
582 | case LTTNG_DOMAIN_KERNEL: | |
583 | MSG("=== Domain: Kernel ===\n"); | |
584 | break; | |
b551a063 DG |
585 | case LTTNG_DOMAIN_UST: |
586 | MSG("=== Domain: UST global ===\n"); | |
587 | break; | |
9f19cc17 DG |
588 | default: |
589 | MSG("=== Domain: Unimplemented ===\n"); | |
590 | break; | |
591 | } | |
592 | ||
cd80958d DG |
593 | /* Clean handle before creating a new one */ |
594 | lttng_destroy_handle(handle); | |
595 | ||
596 | handle = lttng_create_handle(session_name, &domains[i]); | |
597 | if (handle == NULL) { | |
598 | goto end; | |
599 | } | |
600 | ||
601 | ret = list_channels(opt_channel); | |
9f19cc17 DG |
602 | if (ret < 0) { |
603 | goto end; | |
604 | } | |
605 | } | |
606 | } | |
f3ed775e DG |
607 | } |
608 | ||
609 | end: | |
9f19cc17 DG |
610 | if (domains) { |
611 | free(domains); | |
612 | } | |
cd80958d DG |
613 | lttng_destroy_handle(handle); |
614 | ||
f3ed775e DG |
615 | return ret; |
616 | } |