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 | { | |
e4baff1e | 137 | if (loglevel[0] == '\0') { |
81afa345 | 138 | return ""; |
e4baff1e | 139 | } else { |
81afa345 | 140 | return " (loglevel: "; |
e4baff1e | 141 | } |
81afa345 MD |
142 | } |
143 | ||
144 | static | |
145 | const char *loglevel_string_post(const char *loglevel) | |
146 | { | |
e4baff1e | 147 | if (loglevel[0] == '\0') { |
81afa345 | 148 | return ""; |
e4baff1e | 149 | } else { |
81afa345 | 150 | return ")"; |
e4baff1e | 151 | } |
81afa345 MD |
152 | } |
153 | ||
b551a063 DG |
154 | /* |
155 | * Pretty print single event. | |
156 | */ | |
157 | static void print_events(struct lttng_event *event) | |
158 | { | |
159 | switch (event->type) { | |
160 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e MD |
161 | { |
162 | char ll_value[LTTNG_SYMBOL_NAME_LEN] = ""; | |
163 | ||
164 | if (event->loglevel[0] != '\0') { | |
165 | int ret; | |
166 | ||
167 | ret = snprintf(ll_value, LTTNG_SYMBOL_NAME_LEN, | |
4dbd54a1 | 168 | " (%lld)", (long long) event->loglevel_value); |
e4baff1e MD |
169 | if (ret < 0) |
170 | ERR("snprintf error"); | |
171 | } | |
172 | MSG("%s%s%s%s%s%s (type: tracepoint)%s", indent6, | |
81afa345 MD |
173 | event->name, |
174 | loglevel_string_pre(event->loglevel), | |
175 | event->loglevel, | |
e4baff1e | 176 | ll_value, |
81afa345 MD |
177 | loglevel_string_post(event->loglevel), |
178 | enabled_string(event->enabled)); | |
b551a063 | 179 | break; |
e4baff1e | 180 | } |
b551a063 | 181 | case LTTNG_EVENT_PROBE: |
464dd62d MD |
182 | MSG("%s%s (type: probe)%s", indent6, |
183 | event->name, enabled_string(event->enabled)); | |
b551a063 DG |
184 | if (event->attr.probe.addr != 0) { |
185 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
186 | } else { | |
187 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
188 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
189 | } | |
190 | break; | |
191 | case LTTNG_EVENT_FUNCTION: | |
192 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
464dd62d MD |
193 | MSG("%s%s (type: function)%s", indent6, |
194 | event->name, enabled_string(event->enabled)); | |
b551a063 DG |
195 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
196 | break; | |
197 | case LTTNG_EVENT_SYSCALL: | |
464dd62d MD |
198 | MSG("%s (type: syscall)%s", indent6, |
199 | enabled_string(event->enabled)); | |
b551a063 DG |
200 | break; |
201 | case LTTNG_EVENT_NOOP: | |
464dd62d MD |
202 | MSG("%s (type: noop)%s", indent6, |
203 | enabled_string(event->enabled)); | |
b551a063 | 204 | break; |
81afa345 MD |
205 | case LTTNG_EVENT_TRACEPOINT_LOGLEVEL: |
206 | MSG("%s%s (type: tracepoint loglevel)%s", indent6, | |
e4baff1e MD |
207 | event->name, |
208 | enabled_string(event->enabled)); | |
81afa345 | 209 | break; |
b551a063 DG |
210 | case LTTNG_EVENT_ALL: |
211 | /* We should never have "all" events in list. */ | |
212 | assert(0); | |
213 | break; | |
214 | } | |
215 | } | |
216 | ||
217 | /* | |
218 | * Ask session daemon for all user space tracepoints available. | |
219 | */ | |
220 | static int list_ust_events(void) | |
221 | { | |
222 | int i, size; | |
223 | struct lttng_domain domain; | |
224 | struct lttng_handle *handle; | |
225 | struct lttng_event *event_list; | |
226 | pid_t cur_pid = 0; | |
227 | ||
228 | DBG("Getting UST tracing events"); | |
229 | ||
230 | domain.type = LTTNG_DOMAIN_UST; | |
231 | ||
232 | handle = lttng_create_handle(NULL, &domain); | |
233 | if (handle == NULL) { | |
234 | goto error; | |
235 | } | |
236 | ||
237 | size = lttng_list_tracepoints(handle, &event_list); | |
238 | if (size < 0) { | |
239 | ERR("Unable to list UST events"); | |
240 | return size; | |
241 | } | |
242 | ||
243 | MSG("UST events:\n-------------"); | |
244 | ||
245 | if (size == 0) { | |
246 | MSG("None"); | |
247 | } | |
248 | ||
249 | for (i = 0; i < size; i++) { | |
250 | if (cur_pid != event_list[i].pid) { | |
251 | cur_pid = event_list[i].pid; | |
252 | MSG("\nPID: %d - Name: %s", cur_pid, get_cmdline_by_pid(cur_pid)); | |
253 | } | |
254 | print_events(&event_list[i]); | |
255 | } | |
256 | ||
257 | MSG(""); | |
258 | ||
259 | free(event_list); | |
260 | ||
261 | return CMD_SUCCESS; | |
262 | ||
263 | error: | |
264 | return -1; | |
265 | } | |
f3ed775e DG |
266 | |
267 | /* | |
9f19cc17 | 268 | * Ask for all trace events in the kernel and pretty print them. |
f3ed775e | 269 | */ |
9f19cc17 | 270 | static int list_kernel_events(void) |
f3ed775e | 271 | { |
9f19cc17 | 272 | int i, size; |
b551a063 DG |
273 | struct lttng_domain domain; |
274 | struct lttng_handle *handle; | |
9f19cc17 | 275 | struct lttng_event *event_list; |
f3ed775e | 276 | |
b551a063 DG |
277 | DBG("Getting kernel tracing events"); |
278 | ||
279 | domain.type = LTTNG_DOMAIN_KERNEL; | |
280 | ||
281 | handle = lttng_create_handle(NULL, &domain); | |
282 | if (handle == NULL) { | |
283 | goto error; | |
284 | } | |
f3ed775e | 285 | |
cd80958d | 286 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 DG |
287 | if (size < 0) { |
288 | ERR("Unable to list kernel events"); | |
289 | return size; | |
f3ed775e DG |
290 | } |
291 | ||
9f19cc17 | 292 | MSG("Kernel events:\n-------------"); |
f3ed775e | 293 | |
9f19cc17 | 294 | for (i = 0; i < size; i++) { |
b551a063 | 295 | print_events(&event_list[i]); |
f3ed775e DG |
296 | } |
297 | ||
b551a063 DG |
298 | MSG(""); |
299 | ||
f3ed775e DG |
300 | free(event_list); |
301 | ||
302 | return CMD_SUCCESS; | |
b551a063 DG |
303 | |
304 | error: | |
305 | return -1; | |
f3ed775e DG |
306 | } |
307 | ||
308 | /* | |
9f19cc17 | 309 | * List events of channel of session and domain. |
f3ed775e | 310 | */ |
cd80958d | 311 | static int list_events(const char *channel_name) |
f3ed775e DG |
312 | { |
313 | int ret, count, i; | |
9f19cc17 | 314 | struct lttng_event *events = NULL; |
f3ed775e | 315 | |
cd80958d | 316 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e DG |
317 | if (count < 0) { |
318 | ret = count; | |
319 | goto error; | |
320 | } | |
321 | ||
9f19cc17 DG |
322 | MSG("\n%sEvents:", indent4); |
323 | if (count == 0) { | |
5edd7e09 | 324 | MSG("%sNone\n", indent6); |
9f19cc17 DG |
325 | goto end; |
326 | } | |
327 | ||
f3ed775e | 328 | for (i = 0; i < count; i++) { |
b551a063 | 329 | print_events(&events[i]); |
f3ed775e DG |
330 | } |
331 | ||
9f19cc17 | 332 | MSG(""); |
f3ed775e | 333 | |
9f19cc17 DG |
334 | end: |
335 | if (events) { | |
336 | free(events); | |
337 | } | |
338 | ret = CMD_SUCCESS; | |
f3ed775e DG |
339 | |
340 | error: | |
341 | return ret; | |
342 | } | |
343 | ||
344 | /* | |
9f19cc17 DG |
345 | * Pretty print channel |
346 | */ | |
347 | static void print_channel(struct lttng_channel *channel) | |
348 | { | |
464dd62d | 349 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
350 | |
351 | MSG("%sAttributes:", indent4); | |
352 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); | |
353 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
354 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); | |
355 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); | |
356 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
357 | switch (channel->attr.output) { | |
358 | case LTTNG_EVENT_SPLICE: | |
359 | MSG("%soutput: splice()", indent6); | |
360 | break; | |
361 | case LTTNG_EVENT_MMAP: | |
362 | MSG("%soutput: mmap()", indent6); | |
363 | break; | |
364 | } | |
365 | } | |
366 | ||
367 | /* | |
368 | * List channel(s) of session and domain. | |
f3ed775e | 369 | * |
9f19cc17 | 370 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 371 | */ |
cd80958d | 372 | static int list_channels(const char *channel_name) |
f3ed775e | 373 | { |
9f19cc17 DG |
374 | int count, i, ret = CMD_SUCCESS; |
375 | unsigned int chan_found = 0; | |
376 | struct lttng_channel *channels = NULL; | |
f3ed775e | 377 | |
3e25cb20 | 378 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 379 | |
cd80958d | 380 | count = lttng_list_channels(handle, &channels); |
f3ed775e DG |
381 | if (count < 0) { |
382 | ret = count; | |
383 | goto error; | |
9f19cc17 DG |
384 | } else if (count == 0) { |
385 | MSG("No channel found"); | |
386 | goto end; | |
f3ed775e DG |
387 | } |
388 | ||
9f19cc17 DG |
389 | if (channel_name == NULL) { |
390 | MSG("Channels:\n-------------"); | |
391 | } | |
392 | ||
393 | for (i = 0; i < count; i++) { | |
394 | if (channel_name != NULL) { | |
395 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
396 | chan_found = 1; | |
397 | } else { | |
398 | continue; | |
399 | } | |
400 | } | |
401 | print_channel(&channels[i]); | |
402 | ||
403 | /* Listing events per channel */ | |
cd80958d | 404 | ret = list_events(channels[i].name); |
9f19cc17 | 405 | if (ret < 0) { |
9a745bc7 | 406 | MSG("%s", lttng_strerror(ret)); |
9f19cc17 DG |
407 | } |
408 | ||
409 | if (chan_found) { | |
410 | break; | |
f3ed775e | 411 | } |
f3ed775e DG |
412 | } |
413 | ||
9f19cc17 DG |
414 | if (!chan_found && channel_name != NULL) { |
415 | MSG("Channel %s not found", channel_name); | |
416 | } | |
f3ed775e | 417 | |
9f19cc17 DG |
418 | end: |
419 | free(channels); | |
420 | ret = CMD_SUCCESS; | |
f3ed775e DG |
421 | |
422 | error: | |
423 | return ret; | |
424 | } | |
425 | ||
426 | /* | |
9f19cc17 | 427 | * List available tracing session. List only basic information. |
f3ed775e | 428 | * |
9f19cc17 | 429 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 430 | */ |
9f19cc17 | 431 | static int list_sessions(const char *session_name) |
f3ed775e | 432 | { |
9f19cc17 DG |
433 | int ret, count, i; |
434 | unsigned int session_found = 0; | |
435 | struct lttng_session *sessions; | |
436 | ||
437 | count = lttng_list_sessions(&sessions); | |
438 | DBG("Session count %d", count); | |
439 | if (count < 0) { | |
440 | ret = count; | |
441 | goto error; | |
442 | } | |
443 | ||
444 | if (session_name == NULL) { | |
445 | MSG("Available tracing sessions:"); | |
446 | } | |
447 | ||
448 | for (i = 0; i < count; i++) { | |
449 | if (session_name != NULL) { | |
450 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
451 | session_found = 1; | |
464dd62d | 452 | MSG("Tracing session %s:%s", session_name, active_string(sessions[i].enabled)); |
9f19cc17 DG |
453 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); |
454 | break; | |
455 | } | |
cd80958d | 456 | continue; |
9f19cc17 DG |
457 | } |
458 | ||
464dd62d | 459 | MSG(" %d) %s (%s)%s", i + 1, sessions[i].name, sessions[i].path, active_string(sessions[i].enabled)); |
9f19cc17 DG |
460 | |
461 | if (session_found) { | |
462 | break; | |
463 | } | |
464 | } | |
465 | ||
466 | free(sessions); | |
467 | ||
468 | if (!session_found && session_name != NULL) { | |
469 | MSG("Session %s not found", session_name); | |
470 | } | |
471 | ||
472 | if (session_name == NULL) { | |
6e0de39b | 473 | MSG("\nUse lttng list <session_name> for more details"); |
9f19cc17 | 474 | } |
f3ed775e DG |
475 | |
476 | return CMD_SUCCESS; | |
477 | ||
478 | error: | |
479 | return ret; | |
480 | } | |
f3ed775e DG |
481 | |
482 | /* | |
9f19cc17 | 483 | * List available domain(s) for a session. |
f3ed775e | 484 | */ |
330be774 | 485 | static int list_domains(const char *session_name) |
f3ed775e | 486 | { |
9f19cc17 DG |
487 | int i, count, ret = CMD_SUCCESS; |
488 | struct lttng_domain *domains = NULL; | |
489 | ||
490 | MSG("Domains:\n-------------"); | |
491 | ||
330be774 | 492 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 DG |
493 | if (count < 0) { |
494 | ret = count; | |
495 | goto error; | |
496 | } else if (count == 0) { | |
497 | MSG(" None"); | |
498 | goto end; | |
499 | } | |
500 | ||
501 | for (i = 0; i < count; i++) { | |
502 | switch (domains[i].type) { | |
503 | case LTTNG_DOMAIN_KERNEL: | |
504 | MSG(" - Kernel"); | |
b551a063 DG |
505 | break; |
506 | case LTTNG_DOMAIN_UST: | |
507 | MSG(" - UST global"); | |
508 | break; | |
9f19cc17 DG |
509 | default: |
510 | break; | |
511 | } | |
512 | } | |
513 | ||
514 | end: | |
515 | free(domains); | |
516 | ||
517 | error: | |
518 | return ret; | |
f3ed775e | 519 | } |
f3ed775e DG |
520 | |
521 | /* | |
9f19cc17 | 522 | * The 'list <options>' first level command |
f3ed775e DG |
523 | */ |
524 | int cmd_list(int argc, const char **argv) | |
525 | { | |
9f19cc17 | 526 | int opt, i, ret = CMD_SUCCESS; |
c3919711 | 527 | int nb_domain; |
9f19cc17 | 528 | const char *session_name; |
f3ed775e | 529 | static poptContext pc; |
9f19cc17 DG |
530 | struct lttng_domain domain; |
531 | struct lttng_domain *domains = NULL; | |
f3ed775e | 532 | |
9f19cc17 | 533 | if (argc < 1) { |
f3ed775e DG |
534 | usage(stderr); |
535 | goto end; | |
536 | } | |
537 | ||
538 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
539 | poptReadDefaultConfig(pc, 0); | |
540 | ||
541 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
542 | switch (opt) { | |
543 | case OPT_HELP: | |
544 | usage(stderr); | |
545 | goto end; | |
eeac7d46 MD |
546 | case OPT_USERSPACE: |
547 | opt_userspace = 1; | |
eeac7d46 | 548 | break; |
f3ed775e DG |
549 | default: |
550 | usage(stderr); | |
551 | ret = CMD_UNDEFINED; | |
552 | goto end; | |
553 | } | |
554 | } | |
555 | ||
b551a063 DG |
556 | if (opt_pid != 0) { |
557 | MSG("*** Userspace tracing not implemented for PID ***\n"); | |
f3ed775e DG |
558 | } |
559 | ||
9f19cc17 DG |
560 | /* Get session name (trailing argument) */ |
561 | session_name = poptGetArg(pc); | |
b551a063 | 562 | DBG2("Session name: %s", session_name); |
9f19cc17 | 563 | |
cd80958d DG |
564 | if (opt_kernel) { |
565 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
566 | } else if (opt_userspace) { |
567 | DBG2("Listing userspace global domain"); | |
568 | domain.type = LTTNG_DOMAIN_UST; | |
cd80958d DG |
569 | } |
570 | ||
571 | handle = lttng_create_handle(session_name, &domain); | |
572 | if (handle == NULL) { | |
573 | goto end; | |
574 | } | |
575 | ||
9f19cc17 | 576 | if (session_name == NULL) { |
b551a063 DG |
577 | if (!opt_kernel && !opt_userspace) { |
578 | ret = list_sessions(NULL); | |
579 | if (ret < 0) { | |
580 | goto end; | |
581 | } | |
582 | } | |
9f19cc17 DG |
583 | if (opt_kernel) { |
584 | ret = list_kernel_events(); | |
585 | if (ret < 0) { | |
586 | goto end; | |
587 | } | |
b551a063 DG |
588 | } |
589 | if (opt_userspace) { | |
590 | ret = list_ust_events(); | |
9f19cc17 DG |
591 | if (ret < 0) { |
592 | goto end; | |
593 | } | |
594 | } | |
595 | } else { | |
596 | /* List session attributes */ | |
597 | ret = list_sessions(session_name); | |
598 | if (ret < 0) { | |
599 | goto end; | |
600 | } | |
601 | ||
602 | /* Domain listing */ | |
603 | if (opt_domain) { | |
330be774 | 604 | ret = list_domains(session_name); |
9f19cc17 DG |
605 | goto end; |
606 | } | |
607 | ||
608 | if (opt_kernel) { | |
9f19cc17 | 609 | /* Channel listing */ |
cd80958d | 610 | ret = list_channels(opt_channel); |
9f19cc17 DG |
611 | if (ret < 0) { |
612 | goto end; | |
613 | } | |
9f19cc17 DG |
614 | } else { |
615 | /* We want all domain(s) */ | |
330be774 | 616 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 DG |
617 | if (nb_domain < 0) { |
618 | ret = nb_domain; | |
9f19cc17 DG |
619 | goto end; |
620 | } | |
621 | ||
b551a063 | 622 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
623 | switch (domains[i].type) { |
624 | case LTTNG_DOMAIN_KERNEL: | |
625 | MSG("=== Domain: Kernel ===\n"); | |
626 | break; | |
b551a063 DG |
627 | case LTTNG_DOMAIN_UST: |
628 | MSG("=== Domain: UST global ===\n"); | |
629 | break; | |
9f19cc17 DG |
630 | default: |
631 | MSG("=== Domain: Unimplemented ===\n"); | |
632 | break; | |
633 | } | |
634 | ||
cd80958d DG |
635 | /* Clean handle before creating a new one */ |
636 | lttng_destroy_handle(handle); | |
637 | ||
638 | handle = lttng_create_handle(session_name, &domains[i]); | |
639 | if (handle == NULL) { | |
640 | goto end; | |
641 | } | |
642 | ||
643 | ret = list_channels(opt_channel); | |
9f19cc17 DG |
644 | if (ret < 0) { |
645 | goto end; | |
646 | } | |
647 | } | |
648 | } | |
f3ed775e DG |
649 | } |
650 | ||
651 | end: | |
9f19cc17 DG |
652 | if (domains) { |
653 | free(domains); | |
654 | } | |
cd80958d DG |
655 | lttng_destroy_handle(handle); |
656 | ||
f3ed775e DG |
657 | return ret; |
658 | } |