Commit | Line | Data |
---|---|---|
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 | ||
81afa345 MD |
134 | static |
135 | const char *loglevel_string_pre(const char *loglevel) | |
136 | { | |
137 | if (loglevel[0] == '\0') | |
138 | return ""; | |
139 | else | |
140 | return " (loglevel: "; | |
141 | } | |
142 | ||
143 | static | |
144 | const char *loglevel_string_post(const char *loglevel) | |
145 | { | |
146 | if (loglevel[0] == '\0') | |
147 | return ""; | |
148 | else | |
149 | return ")"; | |
150 | } | |
151 | ||
b551a063 DG |
152 | /* |
153 | * Pretty print single event. | |
154 | */ | |
155 | static void print_events(struct lttng_event *event) | |
156 | { | |
157 | switch (event->type) { | |
158 | case LTTNG_EVENT_TRACEPOINT: | |
81afa345 MD |
159 | MSG("%s%s%s%s%s (type: tracepoint)%s", indent6, |
160 | event->name, | |
161 | loglevel_string_pre(event->loglevel), | |
162 | event->loglevel, | |
163 | loglevel_string_post(event->loglevel), | |
164 | enabled_string(event->enabled)); | |
b551a063 DG |
165 | break; |
166 | case LTTNG_EVENT_PROBE: | |
464dd62d MD |
167 | MSG("%s%s (type: probe)%s", indent6, |
168 | event->name, enabled_string(event->enabled)); | |
b551a063 DG |
169 | if (event->attr.probe.addr != 0) { |
170 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
171 | } else { | |
172 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
173 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
174 | } | |
175 | break; | |
176 | case LTTNG_EVENT_FUNCTION: | |
177 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
464dd62d MD |
178 | MSG("%s%s (type: function)%s", indent6, |
179 | event->name, enabled_string(event->enabled)); | |
b551a063 DG |
180 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
181 | break; | |
182 | case LTTNG_EVENT_SYSCALL: | |
464dd62d MD |
183 | MSG("%s (type: syscall)%s", indent6, |
184 | enabled_string(event->enabled)); | |
b551a063 DG |
185 | break; |
186 | case LTTNG_EVENT_NOOP: | |
464dd62d MD |
187 | MSG("%s (type: noop)%s", indent6, |
188 | enabled_string(event->enabled)); | |
b551a063 | 189 | break; |
81afa345 MD |
190 | case LTTNG_EVENT_TRACEPOINT_LOGLEVEL: |
191 | MSG("%s%s (type: tracepoint loglevel)%s", indent6, | |
192 | event->name, enabled_string(event->enabled)); | |
193 | break; | |
b551a063 DG |
194 | case LTTNG_EVENT_ALL: |
195 | /* We should never have "all" events in list. */ | |
196 | assert(0); | |
197 | break; | |
198 | } | |
199 | } | |
200 | ||
201 | /* | |
202 | * Ask session daemon for all user space tracepoints available. | |
203 | */ | |
204 | static int list_ust_events(void) | |
205 | { | |
206 | int i, size; | |
207 | struct lttng_domain domain; | |
208 | struct lttng_handle *handle; | |
209 | struct lttng_event *event_list; | |
210 | pid_t cur_pid = 0; | |
211 | ||
212 | DBG("Getting UST tracing events"); | |
213 | ||
214 | domain.type = LTTNG_DOMAIN_UST; | |
215 | ||
216 | handle = lttng_create_handle(NULL, &domain); | |
217 | if (handle == NULL) { | |
218 | goto error; | |
219 | } | |
220 | ||
221 | size = lttng_list_tracepoints(handle, &event_list); | |
222 | if (size < 0) { | |
223 | ERR("Unable to list UST events"); | |
224 | return size; | |
225 | } | |
226 | ||
227 | MSG("UST events:\n-------------"); | |
228 | ||
229 | if (size == 0) { | |
230 | MSG("None"); | |
231 | } | |
232 | ||
233 | for (i = 0; i < size; i++) { | |
234 | if (cur_pid != event_list[i].pid) { | |
235 | cur_pid = event_list[i].pid; | |
236 | MSG("\nPID: %d - Name: %s", cur_pid, get_cmdline_by_pid(cur_pid)); | |
237 | } | |
238 | print_events(&event_list[i]); | |
239 | } | |
240 | ||
241 | MSG(""); | |
242 | ||
243 | free(event_list); | |
244 | ||
245 | return CMD_SUCCESS; | |
246 | ||
247 | error: | |
248 | return -1; | |
249 | } | |
f3ed775e DG |
250 | |
251 | /* | |
9f19cc17 | 252 | * Ask for all trace events in the kernel and pretty print them. |
f3ed775e | 253 | */ |
9f19cc17 | 254 | static int list_kernel_events(void) |
f3ed775e | 255 | { |
9f19cc17 | 256 | int i, size; |
b551a063 DG |
257 | struct lttng_domain domain; |
258 | struct lttng_handle *handle; | |
9f19cc17 | 259 | struct lttng_event *event_list; |
f3ed775e | 260 | |
b551a063 DG |
261 | DBG("Getting kernel tracing events"); |
262 | ||
263 | domain.type = LTTNG_DOMAIN_KERNEL; | |
264 | ||
265 | handle = lttng_create_handle(NULL, &domain); | |
266 | if (handle == NULL) { | |
267 | goto error; | |
268 | } | |
f3ed775e | 269 | |
cd80958d | 270 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 DG |
271 | if (size < 0) { |
272 | ERR("Unable to list kernel events"); | |
273 | return size; | |
f3ed775e DG |
274 | } |
275 | ||
9f19cc17 | 276 | MSG("Kernel events:\n-------------"); |
f3ed775e | 277 | |
9f19cc17 | 278 | for (i = 0; i < size; i++) { |
b551a063 | 279 | print_events(&event_list[i]); |
f3ed775e DG |
280 | } |
281 | ||
b551a063 DG |
282 | MSG(""); |
283 | ||
f3ed775e DG |
284 | free(event_list); |
285 | ||
286 | return CMD_SUCCESS; | |
b551a063 DG |
287 | |
288 | error: | |
289 | return -1; | |
f3ed775e DG |
290 | } |
291 | ||
292 | /* | |
9f19cc17 | 293 | * List events of channel of session and domain. |
f3ed775e | 294 | */ |
cd80958d | 295 | static int list_events(const char *channel_name) |
f3ed775e DG |
296 | { |
297 | int ret, count, i; | |
9f19cc17 | 298 | struct lttng_event *events = NULL; |
f3ed775e | 299 | |
cd80958d | 300 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e DG |
301 | if (count < 0) { |
302 | ret = count; | |
303 | goto error; | |
304 | } | |
305 | ||
9f19cc17 DG |
306 | MSG("\n%sEvents:", indent4); |
307 | if (count == 0) { | |
5edd7e09 | 308 | MSG("%sNone\n", indent6); |
9f19cc17 DG |
309 | goto end; |
310 | } | |
311 | ||
f3ed775e | 312 | for (i = 0; i < count; i++) { |
b551a063 | 313 | print_events(&events[i]); |
f3ed775e DG |
314 | } |
315 | ||
9f19cc17 | 316 | MSG(""); |
f3ed775e | 317 | |
9f19cc17 DG |
318 | end: |
319 | if (events) { | |
320 | free(events); | |
321 | } | |
322 | ret = CMD_SUCCESS; | |
f3ed775e DG |
323 | |
324 | error: | |
325 | return ret; | |
326 | } | |
327 | ||
328 | /* | |
9f19cc17 DG |
329 | * Pretty print channel |
330 | */ | |
331 | static void print_channel(struct lttng_channel *channel) | |
332 | { | |
464dd62d | 333 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
334 | |
335 | MSG("%sAttributes:", indent4); | |
336 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); | |
337 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
338 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); | |
339 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); | |
340 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
341 | switch (channel->attr.output) { | |
342 | case LTTNG_EVENT_SPLICE: | |
343 | MSG("%soutput: splice()", indent6); | |
344 | break; | |
345 | case LTTNG_EVENT_MMAP: | |
346 | MSG("%soutput: mmap()", indent6); | |
347 | break; | |
348 | } | |
349 | } | |
350 | ||
351 | /* | |
352 | * List channel(s) of session and domain. | |
f3ed775e | 353 | * |
9f19cc17 | 354 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 355 | */ |
cd80958d | 356 | static int list_channels(const char *channel_name) |
f3ed775e | 357 | { |
9f19cc17 DG |
358 | int count, i, ret = CMD_SUCCESS; |
359 | unsigned int chan_found = 0; | |
360 | struct lttng_channel *channels = NULL; | |
f3ed775e | 361 | |
3e25cb20 | 362 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 363 | |
cd80958d | 364 | count = lttng_list_channels(handle, &channels); |
f3ed775e DG |
365 | if (count < 0) { |
366 | ret = count; | |
367 | goto error; | |
9f19cc17 DG |
368 | } else if (count == 0) { |
369 | MSG("No channel found"); | |
370 | goto end; | |
f3ed775e DG |
371 | } |
372 | ||
9f19cc17 DG |
373 | if (channel_name == NULL) { |
374 | MSG("Channels:\n-------------"); | |
375 | } | |
376 | ||
377 | for (i = 0; i < count; i++) { | |
378 | if (channel_name != NULL) { | |
379 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
380 | chan_found = 1; | |
381 | } else { | |
382 | continue; | |
383 | } | |
384 | } | |
385 | print_channel(&channels[i]); | |
386 | ||
387 | /* Listing events per channel */ | |
cd80958d | 388 | ret = list_events(channels[i].name); |
9f19cc17 | 389 | if (ret < 0) { |
9a745bc7 | 390 | MSG("%s", lttng_strerror(ret)); |
9f19cc17 DG |
391 | } |
392 | ||
393 | if (chan_found) { | |
394 | break; | |
f3ed775e | 395 | } |
f3ed775e DG |
396 | } |
397 | ||
9f19cc17 DG |
398 | if (!chan_found && channel_name != NULL) { |
399 | MSG("Channel %s not found", channel_name); | |
400 | } | |
f3ed775e | 401 | |
9f19cc17 DG |
402 | end: |
403 | free(channels); | |
404 | ret = CMD_SUCCESS; | |
f3ed775e DG |
405 | |
406 | error: | |
407 | return ret; | |
408 | } | |
409 | ||
410 | /* | |
9f19cc17 | 411 | * List available tracing session. List only basic information. |
f3ed775e | 412 | * |
9f19cc17 | 413 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 414 | */ |
9f19cc17 | 415 | static int list_sessions(const char *session_name) |
f3ed775e | 416 | { |
9f19cc17 DG |
417 | int ret, count, i; |
418 | unsigned int session_found = 0; | |
419 | struct lttng_session *sessions; | |
420 | ||
421 | count = lttng_list_sessions(&sessions); | |
422 | DBG("Session count %d", count); | |
423 | if (count < 0) { | |
424 | ret = count; | |
425 | goto error; | |
426 | } | |
427 | ||
428 | if (session_name == NULL) { | |
429 | MSG("Available tracing sessions:"); | |
430 | } | |
431 | ||
432 | for (i = 0; i < count; i++) { | |
433 | if (session_name != NULL) { | |
434 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
435 | session_found = 1; | |
464dd62d | 436 | MSG("Tracing session %s:%s", session_name, active_string(sessions[i].enabled)); |
9f19cc17 DG |
437 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); |
438 | break; | |
439 | } | |
cd80958d | 440 | continue; |
9f19cc17 DG |
441 | } |
442 | ||
464dd62d | 443 | MSG(" %d) %s (%s)%s", i + 1, sessions[i].name, sessions[i].path, active_string(sessions[i].enabled)); |
9f19cc17 DG |
444 | |
445 | if (session_found) { | |
446 | break; | |
447 | } | |
448 | } | |
449 | ||
450 | free(sessions); | |
451 | ||
452 | if (!session_found && session_name != NULL) { | |
453 | MSG("Session %s not found", session_name); | |
454 | } | |
455 | ||
456 | if (session_name == NULL) { | |
6e0de39b | 457 | MSG("\nUse lttng list <session_name> for more details"); |
9f19cc17 | 458 | } |
f3ed775e DG |
459 | |
460 | return CMD_SUCCESS; | |
461 | ||
462 | error: | |
463 | return ret; | |
464 | } | |
f3ed775e DG |
465 | |
466 | /* | |
9f19cc17 | 467 | * List available domain(s) for a session. |
f3ed775e | 468 | */ |
cd80958d | 469 | static int list_domains(void) |
f3ed775e | 470 | { |
9f19cc17 DG |
471 | int i, count, ret = CMD_SUCCESS; |
472 | struct lttng_domain *domains = NULL; | |
473 | ||
474 | MSG("Domains:\n-------------"); | |
475 | ||
cd80958d | 476 | count = lttng_list_domains(handle, &domains); |
9f19cc17 DG |
477 | if (count < 0) { |
478 | ret = count; | |
479 | goto error; | |
480 | } else if (count == 0) { | |
481 | MSG(" None"); | |
482 | goto end; | |
483 | } | |
484 | ||
485 | for (i = 0; i < count; i++) { | |
486 | switch (domains[i].type) { | |
487 | case LTTNG_DOMAIN_KERNEL: | |
488 | MSG(" - Kernel"); | |
b551a063 DG |
489 | break; |
490 | case LTTNG_DOMAIN_UST: | |
491 | MSG(" - UST global"); | |
492 | break; | |
9f19cc17 DG |
493 | default: |
494 | break; | |
495 | } | |
496 | } | |
497 | ||
498 | end: | |
499 | free(domains); | |
500 | ||
501 | error: | |
502 | return ret; | |
f3ed775e | 503 | } |
f3ed775e DG |
504 | |
505 | /* | |
9f19cc17 | 506 | * The 'list <options>' first level command |
f3ed775e DG |
507 | */ |
508 | int cmd_list(int argc, const char **argv) | |
509 | { | |
9f19cc17 | 510 | int opt, i, ret = CMD_SUCCESS; |
c3919711 | 511 | int nb_domain; |
9f19cc17 | 512 | const char *session_name; |
f3ed775e | 513 | static poptContext pc; |
9f19cc17 DG |
514 | struct lttng_domain domain; |
515 | struct lttng_domain *domains = NULL; | |
f3ed775e | 516 | |
9f19cc17 | 517 | if (argc < 1) { |
f3ed775e DG |
518 | usage(stderr); |
519 | goto end; | |
520 | } | |
521 | ||
522 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
523 | poptReadDefaultConfig(pc, 0); | |
524 | ||
525 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
526 | switch (opt) { | |
527 | case OPT_HELP: | |
528 | usage(stderr); | |
529 | goto end; | |
eeac7d46 MD |
530 | case OPT_USERSPACE: |
531 | opt_userspace = 1; | |
eeac7d46 | 532 | break; |
f3ed775e DG |
533 | default: |
534 | usage(stderr); | |
535 | ret = CMD_UNDEFINED; | |
536 | goto end; | |
537 | } | |
538 | } | |
539 | ||
b551a063 DG |
540 | if (opt_pid != 0) { |
541 | MSG("*** Userspace tracing not implemented for PID ***\n"); | |
f3ed775e DG |
542 | } |
543 | ||
9f19cc17 DG |
544 | /* Get session name (trailing argument) */ |
545 | session_name = poptGetArg(pc); | |
b551a063 | 546 | DBG2("Session name: %s", session_name); |
9f19cc17 | 547 | |
cd80958d DG |
548 | if (opt_kernel) { |
549 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
550 | } else if (opt_userspace) { |
551 | DBG2("Listing userspace global domain"); | |
552 | domain.type = LTTNG_DOMAIN_UST; | |
cd80958d DG |
553 | } |
554 | ||
555 | handle = lttng_create_handle(session_name, &domain); | |
556 | if (handle == NULL) { | |
557 | goto end; | |
558 | } | |
559 | ||
9f19cc17 | 560 | if (session_name == NULL) { |
b551a063 DG |
561 | if (!opt_kernel && !opt_userspace) { |
562 | ret = list_sessions(NULL); | |
563 | if (ret < 0) { | |
564 | goto end; | |
565 | } | |
566 | } | |
9f19cc17 DG |
567 | if (opt_kernel) { |
568 | ret = list_kernel_events(); | |
569 | if (ret < 0) { | |
570 | goto end; | |
571 | } | |
b551a063 DG |
572 | } |
573 | if (opt_userspace) { | |
574 | ret = list_ust_events(); | |
9f19cc17 DG |
575 | if (ret < 0) { |
576 | goto end; | |
577 | } | |
578 | } | |
579 | } else { | |
580 | /* List session attributes */ | |
581 | ret = list_sessions(session_name); | |
582 | if (ret < 0) { | |
583 | goto end; | |
584 | } | |
585 | ||
586 | /* Domain listing */ | |
587 | if (opt_domain) { | |
cd80958d | 588 | ret = list_domains(); |
9f19cc17 DG |
589 | goto end; |
590 | } | |
591 | ||
592 | if (opt_kernel) { | |
9f19cc17 | 593 | /* Channel listing */ |
cd80958d | 594 | ret = list_channels(opt_channel); |
9f19cc17 DG |
595 | if (ret < 0) { |
596 | goto end; | |
597 | } | |
9f19cc17 DG |
598 | } else { |
599 | /* We want all domain(s) */ | |
b551a063 DG |
600 | nb_domain = lttng_list_domains(handle, &domains); |
601 | if (nb_domain < 0) { | |
602 | ret = nb_domain; | |
9f19cc17 DG |
603 | goto end; |
604 | } | |
605 | ||
b551a063 | 606 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
607 | switch (domains[i].type) { |
608 | case LTTNG_DOMAIN_KERNEL: | |
609 | MSG("=== Domain: Kernel ===\n"); | |
610 | break; | |
b551a063 DG |
611 | case LTTNG_DOMAIN_UST: |
612 | MSG("=== Domain: UST global ===\n"); | |
613 | break; | |
9f19cc17 DG |
614 | default: |
615 | MSG("=== Domain: Unimplemented ===\n"); | |
616 | break; | |
617 | } | |
618 | ||
cd80958d DG |
619 | /* Clean handle before creating a new one */ |
620 | lttng_destroy_handle(handle); | |
621 | ||
622 | handle = lttng_create_handle(session_name, &domains[i]); | |
623 | if (handle == NULL) { | |
624 | goto end; | |
625 | } | |
626 | ||
627 | ret = list_channels(opt_channel); | |
9f19cc17 DG |
628 | if (ret < 0) { |
629 | goto end; | |
630 | } | |
631 | } | |
632 | } | |
f3ed775e DG |
633 | } |
634 | ||
635 | end: | |
9f19cc17 DG |
636 | if (domains) { |
637 | free(domains); | |
638 | } | |
cd80958d DG |
639 | lttng_destroy_handle(handle); |
640 | ||
f3ed775e DG |
641 | return ret; |
642 | } |