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 | |
c399183f | 27 | #include "../command.h" |
f3ed775e | 28 | |
9f19cc17 DG |
29 | static int opt_userspace; |
30 | static int opt_kernel; | |
31 | static char *opt_channel; | |
32 | static int opt_domain; | |
d78d6610 DG |
33 | #if 0 |
34 | /* Not implemented yet */ | |
35 | static char *opt_cmd_name; | |
36 | static pid_t opt_pid; | |
37 | #endif | |
9f19cc17 DG |
38 | |
39 | const char *indent4 = " "; | |
40 | const char *indent6 = " "; | |
41 | const char *indent8 = " "; | |
f3ed775e DG |
42 | |
43 | enum { | |
44 | OPT_HELP = 1, | |
eeac7d46 | 45 | OPT_USERSPACE, |
f3ed775e DG |
46 | }; |
47 | ||
cd80958d DG |
48 | static struct lttng_handle *handle; |
49 | ||
f3ed775e DG |
50 | static struct poptOption long_options[] = { |
51 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
52 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, | |
9f19cc17 | 53 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, |
d78d6610 DG |
54 | #if 0 |
55 | /* Not implemented yet */ | |
56 | {"userspace", 'u', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_cmd_name, OPT_USERSPACE, 0, 0}, | |
57 | {"pid", 'p', POPT_ARG_INT, &opt_pid, 0, 0, 0}, | |
58 | #else | |
59 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, | |
60 | #endif | |
9f19cc17 DG |
61 | {"channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0}, |
62 | {"domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0}, | |
f3ed775e DG |
63 | {0, 0, 0, 0, 0, 0, 0} |
64 | }; | |
65 | ||
66 | /* | |
67 | * usage | |
68 | */ | |
69 | static void usage(FILE *ofp) | |
70 | { | |
9f19cc17 DG |
71 | fprintf(ofp, "usage: lttng list [[-k] [-u] [-p PID] [SESSION [<options>]]]\n"); |
72 | fprintf(ofp, "\n"); | |
73 | fprintf(ofp, "With no arguments, list available tracing session(s)\n"); | |
74 | fprintf(ofp, "\n"); | |
75 | fprintf(ofp, "With -k alone, list available kernel events\n"); | |
76 | fprintf(ofp, "With -u alone, list available userspace events\n"); | |
77 | fprintf(ofp, "\n"); | |
78 | fprintf(ofp, " -h, --help Show this help\n"); | |
79 | fprintf(ofp, " -k, --kernel Select kernel domain\n"); | |
80 | fprintf(ofp, " -u, --userspace Select user-space domain.\n"); | |
d78d6610 | 81 | #if 0 |
9f19cc17 | 82 | fprintf(ofp, " -p, --pid PID List user-space events by PID\n"); |
d78d6610 | 83 | #endif |
f3ed775e | 84 | fprintf(ofp, "\n"); |
9f19cc17 DG |
85 | fprintf(ofp, "Options:\n"); |
86 | fprintf(ofp, " -c, --channel NAME List details of a channel\n"); | |
87 | fprintf(ofp, " -d, --domain List available domain(s)\n"); | |
f3ed775e DG |
88 | fprintf(ofp, "\n"); |
89 | } | |
90 | ||
91 | /* | |
9f19cc17 | 92 | * Get command line from /proc for a specific pid. |
f3ed775e | 93 | * |
9f19cc17 DG |
94 | * On success, return an allocated string pointer to the proc cmdline. |
95 | * On error, return NULL. | |
f3ed775e DG |
96 | */ |
97 | static char *get_cmdline_by_pid(pid_t pid) | |
98 | { | |
99 | int ret; | |
100 | FILE *fp; | |
101 | char *cmdline = NULL; | |
102 | char path[24]; /* Can't go bigger than /proc/65535/cmdline */ | |
103 | ||
104 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); | |
105 | fp = fopen(path, "r"); | |
106 | if (fp == NULL) { | |
107 | goto end; | |
108 | } | |
109 | ||
110 | /* Caller must free() *cmdline */ | |
111 | cmdline = malloc(PATH_MAX); | |
112 | ret = fread(cmdline, 1, PATH_MAX, fp); | |
f40799e8 DG |
113 | if (ret < 0) { |
114 | perror("fread proc list"); | |
115 | } | |
f3ed775e DG |
116 | fclose(fp); |
117 | ||
118 | end: | |
119 | return cmdline; | |
120 | } | |
b551a063 | 121 | |
464dd62d MD |
122 | static |
123 | const char *active_string(int value) | |
124 | { | |
125 | switch (value) { | |
b09f0429 MD |
126 | case 0: return " [inactive]"; |
127 | case 1: return " [active]"; | |
464dd62d MD |
128 | case -1: return ""; |
129 | default: return NULL; | |
130 | } | |
131 | } | |
132 | ||
133 | static | |
134 | const char *enabled_string(int value) | |
135 | { | |
136 | switch (value) { | |
b09f0429 MD |
137 | case 0: return " [disabled]"; |
138 | case 1: return " [enabled]"; | |
464dd62d MD |
139 | case -1: return ""; |
140 | default: return NULL; | |
141 | } | |
142 | } | |
143 | ||
81afa345 MD |
144 | static |
145 | const char *loglevel_string_pre(const char *loglevel) | |
146 | { | |
e4baff1e | 147 | if (loglevel[0] == '\0') { |
81afa345 | 148 | return ""; |
e4baff1e | 149 | } else { |
81afa345 | 150 | return " (loglevel: "; |
e4baff1e | 151 | } |
81afa345 MD |
152 | } |
153 | ||
154 | static | |
155 | const char *loglevel_string_post(const char *loglevel) | |
156 | { | |
e4baff1e | 157 | if (loglevel[0] == '\0') { |
81afa345 | 158 | return ""; |
e4baff1e | 159 | } else { |
81afa345 | 160 | return ")"; |
e4baff1e | 161 | } |
81afa345 MD |
162 | } |
163 | ||
b551a063 DG |
164 | /* |
165 | * Pretty print single event. | |
166 | */ | |
167 | static void print_events(struct lttng_event *event) | |
168 | { | |
169 | switch (event->type) { | |
170 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e MD |
171 | { |
172 | char ll_value[LTTNG_SYMBOL_NAME_LEN] = ""; | |
173 | ||
174 | if (event->loglevel[0] != '\0') { | |
175 | int ret; | |
176 | ||
177 | ret = snprintf(ll_value, LTTNG_SYMBOL_NAME_LEN, | |
4dbd54a1 | 178 | " (%lld)", (long long) event->loglevel_value); |
e4baff1e MD |
179 | if (ret < 0) |
180 | ERR("snprintf error"); | |
181 | } | |
182 | MSG("%s%s%s%s%s%s (type: tracepoint)%s", indent6, | |
81afa345 MD |
183 | event->name, |
184 | loglevel_string_pre(event->loglevel), | |
185 | event->loglevel, | |
e4baff1e | 186 | ll_value, |
81afa345 MD |
187 | loglevel_string_post(event->loglevel), |
188 | enabled_string(event->enabled)); | |
b551a063 | 189 | break; |
e4baff1e | 190 | } |
b551a063 | 191 | case LTTNG_EVENT_PROBE: |
464dd62d MD |
192 | MSG("%s%s (type: probe)%s", indent6, |
193 | event->name, enabled_string(event->enabled)); | |
b551a063 DG |
194 | if (event->attr.probe.addr != 0) { |
195 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
196 | } else { | |
197 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
198 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
199 | } | |
200 | break; | |
201 | case LTTNG_EVENT_FUNCTION: | |
202 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
464dd62d MD |
203 | MSG("%s%s (type: function)%s", indent6, |
204 | event->name, enabled_string(event->enabled)); | |
b551a063 DG |
205 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
206 | break; | |
207 | case LTTNG_EVENT_SYSCALL: | |
464dd62d MD |
208 | MSG("%s (type: syscall)%s", indent6, |
209 | enabled_string(event->enabled)); | |
b551a063 DG |
210 | break; |
211 | case LTTNG_EVENT_NOOP: | |
464dd62d MD |
212 | MSG("%s (type: noop)%s", indent6, |
213 | enabled_string(event->enabled)); | |
b551a063 | 214 | break; |
81afa345 MD |
215 | case LTTNG_EVENT_TRACEPOINT_LOGLEVEL: |
216 | MSG("%s%s (type: tracepoint loglevel)%s", indent6, | |
e4baff1e MD |
217 | event->name, |
218 | enabled_string(event->enabled)); | |
81afa345 | 219 | break; |
b551a063 DG |
220 | case LTTNG_EVENT_ALL: |
221 | /* We should never have "all" events in list. */ | |
222 | assert(0); | |
223 | break; | |
224 | } | |
225 | } | |
226 | ||
227 | /* | |
228 | * Ask session daemon for all user space tracepoints available. | |
229 | */ | |
230 | static int list_ust_events(void) | |
231 | { | |
232 | int i, size; | |
233 | struct lttng_domain domain; | |
234 | struct lttng_handle *handle; | |
235 | struct lttng_event *event_list; | |
236 | pid_t cur_pid = 0; | |
237 | ||
238 | DBG("Getting UST tracing events"); | |
239 | ||
240 | domain.type = LTTNG_DOMAIN_UST; | |
241 | ||
242 | handle = lttng_create_handle(NULL, &domain); | |
243 | if (handle == NULL) { | |
244 | goto error; | |
245 | } | |
246 | ||
247 | size = lttng_list_tracepoints(handle, &event_list); | |
248 | if (size < 0) { | |
249 | ERR("Unable to list UST events"); | |
250 | return size; | |
251 | } | |
252 | ||
253 | MSG("UST events:\n-------------"); | |
254 | ||
255 | if (size == 0) { | |
256 | MSG("None"); | |
257 | } | |
258 | ||
259 | for (i = 0; i < size; i++) { | |
260 | if (cur_pid != event_list[i].pid) { | |
261 | cur_pid = event_list[i].pid; | |
262 | MSG("\nPID: %d - Name: %s", cur_pid, get_cmdline_by_pid(cur_pid)); | |
263 | } | |
264 | print_events(&event_list[i]); | |
265 | } | |
266 | ||
267 | MSG(""); | |
268 | ||
269 | free(event_list); | |
270 | ||
271 | return CMD_SUCCESS; | |
272 | ||
273 | error: | |
274 | return -1; | |
275 | } | |
f3ed775e DG |
276 | |
277 | /* | |
9f19cc17 | 278 | * Ask for all trace events in the kernel and pretty print them. |
f3ed775e | 279 | */ |
9f19cc17 | 280 | static int list_kernel_events(void) |
f3ed775e | 281 | { |
9f19cc17 | 282 | int i, size; |
b551a063 DG |
283 | struct lttng_domain domain; |
284 | struct lttng_handle *handle; | |
9f19cc17 | 285 | struct lttng_event *event_list; |
f3ed775e | 286 | |
b551a063 DG |
287 | DBG("Getting kernel tracing events"); |
288 | ||
289 | domain.type = LTTNG_DOMAIN_KERNEL; | |
290 | ||
291 | handle = lttng_create_handle(NULL, &domain); | |
292 | if (handle == NULL) { | |
293 | goto error; | |
294 | } | |
f3ed775e | 295 | |
cd80958d | 296 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 DG |
297 | if (size < 0) { |
298 | ERR("Unable to list kernel events"); | |
299 | return size; | |
f3ed775e DG |
300 | } |
301 | ||
9f19cc17 | 302 | MSG("Kernel events:\n-------------"); |
f3ed775e | 303 | |
9f19cc17 | 304 | for (i = 0; i < size; i++) { |
b551a063 | 305 | print_events(&event_list[i]); |
f3ed775e DG |
306 | } |
307 | ||
b551a063 DG |
308 | MSG(""); |
309 | ||
f3ed775e DG |
310 | free(event_list); |
311 | ||
312 | return CMD_SUCCESS; | |
b551a063 DG |
313 | |
314 | error: | |
315 | return -1; | |
f3ed775e DG |
316 | } |
317 | ||
318 | /* | |
9f19cc17 | 319 | * List events of channel of session and domain. |
f3ed775e | 320 | */ |
cd80958d | 321 | static int list_events(const char *channel_name) |
f3ed775e DG |
322 | { |
323 | int ret, count, i; | |
9f19cc17 | 324 | struct lttng_event *events = NULL; |
f3ed775e | 325 | |
cd80958d | 326 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e DG |
327 | if (count < 0) { |
328 | ret = count; | |
329 | goto error; | |
330 | } | |
331 | ||
9f19cc17 DG |
332 | MSG("\n%sEvents:", indent4); |
333 | if (count == 0) { | |
5edd7e09 | 334 | MSG("%sNone\n", indent6); |
9f19cc17 DG |
335 | goto end; |
336 | } | |
337 | ||
f3ed775e | 338 | for (i = 0; i < count; i++) { |
b551a063 | 339 | print_events(&events[i]); |
f3ed775e DG |
340 | } |
341 | ||
9f19cc17 | 342 | MSG(""); |
f3ed775e | 343 | |
9f19cc17 DG |
344 | end: |
345 | if (events) { | |
346 | free(events); | |
347 | } | |
348 | ret = CMD_SUCCESS; | |
f3ed775e DG |
349 | |
350 | error: | |
351 | return ret; | |
352 | } | |
353 | ||
354 | /* | |
9f19cc17 DG |
355 | * Pretty print channel |
356 | */ | |
357 | static void print_channel(struct lttng_channel *channel) | |
358 | { | |
464dd62d | 359 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
360 | |
361 | MSG("%sAttributes:", indent4); | |
362 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); | |
363 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
364 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); | |
365 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); | |
366 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
367 | switch (channel->attr.output) { | |
368 | case LTTNG_EVENT_SPLICE: | |
369 | MSG("%soutput: splice()", indent6); | |
370 | break; | |
371 | case LTTNG_EVENT_MMAP: | |
372 | MSG("%soutput: mmap()", indent6); | |
373 | break; | |
374 | } | |
375 | } | |
376 | ||
377 | /* | |
378 | * List channel(s) of session and domain. | |
f3ed775e | 379 | * |
9f19cc17 | 380 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 381 | */ |
cd80958d | 382 | static int list_channels(const char *channel_name) |
f3ed775e | 383 | { |
9f19cc17 DG |
384 | int count, i, ret = CMD_SUCCESS; |
385 | unsigned int chan_found = 0; | |
386 | struct lttng_channel *channels = NULL; | |
f3ed775e | 387 | |
3e25cb20 | 388 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 389 | |
cd80958d | 390 | count = lttng_list_channels(handle, &channels); |
f3ed775e DG |
391 | if (count < 0) { |
392 | ret = count; | |
393 | goto error; | |
9f19cc17 DG |
394 | } else if (count == 0) { |
395 | MSG("No channel found"); | |
396 | goto end; | |
f3ed775e DG |
397 | } |
398 | ||
9f19cc17 DG |
399 | if (channel_name == NULL) { |
400 | MSG("Channels:\n-------------"); | |
401 | } | |
402 | ||
403 | for (i = 0; i < count; i++) { | |
404 | if (channel_name != NULL) { | |
405 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
406 | chan_found = 1; | |
407 | } else { | |
408 | continue; | |
409 | } | |
410 | } | |
411 | print_channel(&channels[i]); | |
412 | ||
413 | /* Listing events per channel */ | |
cd80958d | 414 | ret = list_events(channels[i].name); |
9f19cc17 | 415 | if (ret < 0) { |
9a745bc7 | 416 | MSG("%s", lttng_strerror(ret)); |
9f19cc17 DG |
417 | } |
418 | ||
419 | if (chan_found) { | |
420 | break; | |
f3ed775e | 421 | } |
f3ed775e DG |
422 | } |
423 | ||
9f19cc17 DG |
424 | if (!chan_found && channel_name != NULL) { |
425 | MSG("Channel %s not found", channel_name); | |
426 | } | |
f3ed775e | 427 | |
9f19cc17 DG |
428 | end: |
429 | free(channels); | |
430 | ret = CMD_SUCCESS; | |
f3ed775e DG |
431 | |
432 | error: | |
433 | return ret; | |
434 | } | |
435 | ||
436 | /* | |
9f19cc17 | 437 | * List available tracing session. List only basic information. |
f3ed775e | 438 | * |
9f19cc17 | 439 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 440 | */ |
9f19cc17 | 441 | static int list_sessions(const char *session_name) |
f3ed775e | 442 | { |
9f19cc17 DG |
443 | int ret, count, i; |
444 | unsigned int session_found = 0; | |
445 | struct lttng_session *sessions; | |
446 | ||
447 | count = lttng_list_sessions(&sessions); | |
448 | DBG("Session count %d", count); | |
449 | if (count < 0) { | |
450 | ret = count; | |
451 | goto error; | |
452 | } | |
453 | ||
454 | if (session_name == NULL) { | |
455 | MSG("Available tracing sessions:"); | |
456 | } | |
457 | ||
458 | for (i = 0; i < count; i++) { | |
459 | if (session_name != NULL) { | |
460 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
461 | session_found = 1; | |
464dd62d | 462 | MSG("Tracing session %s:%s", session_name, active_string(sessions[i].enabled)); |
9f19cc17 DG |
463 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); |
464 | break; | |
465 | } | |
cd80958d | 466 | continue; |
9f19cc17 DG |
467 | } |
468 | ||
464dd62d | 469 | MSG(" %d) %s (%s)%s", i + 1, sessions[i].name, sessions[i].path, active_string(sessions[i].enabled)); |
9f19cc17 DG |
470 | |
471 | if (session_found) { | |
472 | break; | |
473 | } | |
474 | } | |
475 | ||
476 | free(sessions); | |
477 | ||
478 | if (!session_found && session_name != NULL) { | |
479 | MSG("Session %s not found", session_name); | |
480 | } | |
481 | ||
482 | if (session_name == NULL) { | |
6e0de39b | 483 | MSG("\nUse lttng list <session_name> for more details"); |
9f19cc17 | 484 | } |
f3ed775e DG |
485 | |
486 | return CMD_SUCCESS; | |
487 | ||
488 | error: | |
489 | return ret; | |
490 | } | |
f3ed775e DG |
491 | |
492 | /* | |
9f19cc17 | 493 | * List available domain(s) for a session. |
f3ed775e | 494 | */ |
330be774 | 495 | static int list_domains(const char *session_name) |
f3ed775e | 496 | { |
9f19cc17 DG |
497 | int i, count, ret = CMD_SUCCESS; |
498 | struct lttng_domain *domains = NULL; | |
499 | ||
500 | MSG("Domains:\n-------------"); | |
501 | ||
330be774 | 502 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 DG |
503 | if (count < 0) { |
504 | ret = count; | |
505 | goto error; | |
506 | } else if (count == 0) { | |
507 | MSG(" None"); | |
508 | goto end; | |
509 | } | |
510 | ||
511 | for (i = 0; i < count; i++) { | |
512 | switch (domains[i].type) { | |
513 | case LTTNG_DOMAIN_KERNEL: | |
514 | MSG(" - Kernel"); | |
b551a063 DG |
515 | break; |
516 | case LTTNG_DOMAIN_UST: | |
517 | MSG(" - UST global"); | |
518 | break; | |
9f19cc17 DG |
519 | default: |
520 | break; | |
521 | } | |
522 | } | |
523 | ||
524 | end: | |
525 | free(domains); | |
526 | ||
527 | error: | |
528 | return ret; | |
f3ed775e | 529 | } |
f3ed775e DG |
530 | |
531 | /* | |
9f19cc17 | 532 | * The 'list <options>' first level command |
f3ed775e DG |
533 | */ |
534 | int cmd_list(int argc, const char **argv) | |
535 | { | |
9f19cc17 | 536 | int opt, i, ret = CMD_SUCCESS; |
c3919711 | 537 | int nb_domain; |
9f19cc17 | 538 | const char *session_name; |
f3ed775e | 539 | static poptContext pc; |
9f19cc17 DG |
540 | struct lttng_domain domain; |
541 | struct lttng_domain *domains = NULL; | |
f3ed775e | 542 | |
9f19cc17 | 543 | if (argc < 1) { |
f3ed775e DG |
544 | usage(stderr); |
545 | goto end; | |
546 | } | |
547 | ||
548 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
549 | poptReadDefaultConfig(pc, 0); | |
550 | ||
551 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
552 | switch (opt) { | |
553 | case OPT_HELP: | |
554 | usage(stderr); | |
555 | goto end; | |
eeac7d46 MD |
556 | case OPT_USERSPACE: |
557 | opt_userspace = 1; | |
eeac7d46 | 558 | break; |
f3ed775e DG |
559 | default: |
560 | usage(stderr); | |
561 | ret = CMD_UNDEFINED; | |
562 | goto end; | |
563 | } | |
564 | } | |
565 | ||
9f19cc17 DG |
566 | /* Get session name (trailing argument) */ |
567 | session_name = poptGetArg(pc); | |
b551a063 | 568 | DBG2("Session name: %s", session_name); |
9f19cc17 | 569 | |
cd80958d DG |
570 | if (opt_kernel) { |
571 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
572 | } else if (opt_userspace) { |
573 | DBG2("Listing userspace global domain"); | |
574 | domain.type = LTTNG_DOMAIN_UST; | |
cd80958d DG |
575 | } |
576 | ||
577 | handle = lttng_create_handle(session_name, &domain); | |
578 | if (handle == NULL) { | |
579 | goto end; | |
580 | } | |
581 | ||
9f19cc17 | 582 | if (session_name == NULL) { |
b551a063 DG |
583 | if (!opt_kernel && !opt_userspace) { |
584 | ret = list_sessions(NULL); | |
585 | if (ret < 0) { | |
586 | goto end; | |
587 | } | |
588 | } | |
9f19cc17 DG |
589 | if (opt_kernel) { |
590 | ret = list_kernel_events(); | |
591 | if (ret < 0) { | |
592 | goto end; | |
593 | } | |
b551a063 DG |
594 | } |
595 | if (opt_userspace) { | |
596 | ret = list_ust_events(); | |
9f19cc17 DG |
597 | if (ret < 0) { |
598 | goto end; | |
599 | } | |
600 | } | |
601 | } else { | |
602 | /* List session attributes */ | |
603 | ret = list_sessions(session_name); | |
604 | if (ret < 0) { | |
605 | goto end; | |
606 | } | |
607 | ||
608 | /* Domain listing */ | |
609 | if (opt_domain) { | |
330be774 | 610 | ret = list_domains(session_name); |
9f19cc17 DG |
611 | goto end; |
612 | } | |
613 | ||
614 | if (opt_kernel) { | |
9f19cc17 | 615 | /* Channel listing */ |
cd80958d | 616 | ret = list_channels(opt_channel); |
9f19cc17 DG |
617 | if (ret < 0) { |
618 | goto end; | |
619 | } | |
9f19cc17 DG |
620 | } else { |
621 | /* We want all domain(s) */ | |
330be774 | 622 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 DG |
623 | if (nb_domain < 0) { |
624 | ret = nb_domain; | |
9f19cc17 DG |
625 | goto end; |
626 | } | |
627 | ||
b551a063 | 628 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
629 | switch (domains[i].type) { |
630 | case LTTNG_DOMAIN_KERNEL: | |
631 | MSG("=== Domain: Kernel ===\n"); | |
632 | break; | |
b551a063 DG |
633 | case LTTNG_DOMAIN_UST: |
634 | MSG("=== Domain: UST global ===\n"); | |
635 | break; | |
9f19cc17 DG |
636 | default: |
637 | MSG("=== Domain: Unimplemented ===\n"); | |
638 | break; | |
639 | } | |
640 | ||
cd80958d DG |
641 | /* Clean handle before creating a new one */ |
642 | lttng_destroy_handle(handle); | |
643 | ||
644 | handle = lttng_create_handle(session_name, &domains[i]); | |
645 | if (handle == NULL) { | |
646 | goto end; | |
647 | } | |
648 | ||
649 | ret = list_channels(opt_channel); | |
9f19cc17 DG |
650 | if (ret < 0) { |
651 | goto end; | |
652 | } | |
653 | } | |
654 | } | |
f3ed775e DG |
655 | } |
656 | ||
657 | end: | |
9f19cc17 DG |
658 | if (domains) { |
659 | free(domains); | |
660 | } | |
cd80958d DG |
661 | lttng_destroy_handle(handle); |
662 | ||
f3ed775e DG |
663 | return ret; |
664 | } |