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 | |
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, |
679b4943 | 46 | OPT_LIST_OPTIONS, |
f3ed775e DG |
47 | }; |
48 | ||
cd80958d DG |
49 | static struct lttng_handle *handle; |
50 | ||
f3ed775e DG |
51 | static struct poptOption long_options[] = { |
52 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
53 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, | |
9f19cc17 | 54 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, |
d78d6610 DG |
55 | #if 0 |
56 | /* Not implemented yet */ | |
57 | {"userspace", 'u', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_cmd_name, OPT_USERSPACE, 0, 0}, | |
58 | {"pid", 'p', POPT_ARG_INT, &opt_pid, 0, 0, 0}, | |
59 | #else | |
60 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, | |
61 | #endif | |
9f19cc17 DG |
62 | {"channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0}, |
63 | {"domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0}, | |
679b4943 | 64 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
f3ed775e DG |
65 | {0, 0, 0, 0, 0, 0, 0} |
66 | }; | |
67 | ||
68 | /* | |
69 | * usage | |
70 | */ | |
71 | static void usage(FILE *ofp) | |
72 | { | |
9f19cc17 DG |
73 | fprintf(ofp, "usage: lttng list [[-k] [-u] [-p PID] [SESSION [<options>]]]\n"); |
74 | fprintf(ofp, "\n"); | |
75 | fprintf(ofp, "With no arguments, list available tracing session(s)\n"); | |
76 | fprintf(ofp, "\n"); | |
77 | fprintf(ofp, "With -k alone, list available kernel events\n"); | |
78 | fprintf(ofp, "With -u alone, list available userspace events\n"); | |
79 | fprintf(ofp, "\n"); | |
80 | fprintf(ofp, " -h, --help Show this help\n"); | |
679b4943 | 81 | fprintf(ofp, " --list-options Simple listing of options\n"); |
9f19cc17 DG |
82 | fprintf(ofp, " -k, --kernel Select kernel domain\n"); |
83 | fprintf(ofp, " -u, --userspace Select user-space domain.\n"); | |
d78d6610 | 84 | #if 0 |
9f19cc17 | 85 | fprintf(ofp, " -p, --pid PID List user-space events by PID\n"); |
d78d6610 | 86 | #endif |
f3ed775e | 87 | fprintf(ofp, "\n"); |
9f19cc17 DG |
88 | fprintf(ofp, "Options:\n"); |
89 | fprintf(ofp, " -c, --channel NAME List details of a channel\n"); | |
90 | fprintf(ofp, " -d, --domain List available domain(s)\n"); | |
f3ed775e DG |
91 | fprintf(ofp, "\n"); |
92 | } | |
93 | ||
94 | /* | |
9f19cc17 | 95 | * Get command line from /proc for a specific pid. |
f3ed775e | 96 | * |
9f19cc17 DG |
97 | * On success, return an allocated string pointer to the proc cmdline. |
98 | * On error, return NULL. | |
f3ed775e DG |
99 | */ |
100 | static char *get_cmdline_by_pid(pid_t pid) | |
101 | { | |
102 | int ret; | |
103 | FILE *fp; | |
104 | char *cmdline = NULL; | |
105 | char path[24]; /* Can't go bigger than /proc/65535/cmdline */ | |
106 | ||
107 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); | |
108 | fp = fopen(path, "r"); | |
109 | if (fp == NULL) { | |
110 | goto end; | |
111 | } | |
112 | ||
113 | /* Caller must free() *cmdline */ | |
114 | cmdline = malloc(PATH_MAX); | |
115 | ret = fread(cmdline, 1, PATH_MAX, fp); | |
f40799e8 DG |
116 | if (ret < 0) { |
117 | perror("fread proc list"); | |
118 | } | |
f3ed775e DG |
119 | fclose(fp); |
120 | ||
121 | end: | |
122 | return cmdline; | |
123 | } | |
b551a063 | 124 | |
464dd62d MD |
125 | static |
126 | const char *active_string(int value) | |
127 | { | |
128 | switch (value) { | |
b09f0429 MD |
129 | case 0: return " [inactive]"; |
130 | case 1: return " [active]"; | |
464dd62d MD |
131 | case -1: return ""; |
132 | default: return NULL; | |
133 | } | |
134 | } | |
135 | ||
136 | static | |
137 | const char *enabled_string(int value) | |
138 | { | |
139 | switch (value) { | |
b09f0429 MD |
140 | case 0: return " [disabled]"; |
141 | case 1: return " [enabled]"; | |
464dd62d MD |
142 | case -1: return ""; |
143 | default: return NULL; | |
144 | } | |
145 | } | |
146 | ||
81afa345 MD |
147 | static |
148 | const char *loglevel_string_pre(const char *loglevel) | |
149 | { | |
e4baff1e | 150 | if (loglevel[0] == '\0') { |
81afa345 | 151 | return ""; |
e4baff1e | 152 | } else { |
81afa345 | 153 | return " (loglevel: "; |
e4baff1e | 154 | } |
81afa345 MD |
155 | } |
156 | ||
157 | static | |
158 | const char *loglevel_string_post(const char *loglevel) | |
159 | { | |
e4baff1e | 160 | if (loglevel[0] == '\0') { |
81afa345 | 161 | return ""; |
e4baff1e | 162 | } else { |
81afa345 | 163 | return ")"; |
e4baff1e | 164 | } |
81afa345 MD |
165 | } |
166 | ||
b551a063 DG |
167 | /* |
168 | * Pretty print single event. | |
169 | */ | |
170 | static void print_events(struct lttng_event *event) | |
171 | { | |
172 | switch (event->type) { | |
173 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e MD |
174 | { |
175 | char ll_value[LTTNG_SYMBOL_NAME_LEN] = ""; | |
176 | ||
177 | if (event->loglevel[0] != '\0') { | |
178 | int ret; | |
179 | ||
180 | ret = snprintf(ll_value, LTTNG_SYMBOL_NAME_LEN, | |
4dbd54a1 | 181 | " (%lld)", (long long) event->loglevel_value); |
e4baff1e MD |
182 | if (ret < 0) |
183 | ERR("snprintf error"); | |
184 | } | |
185 | MSG("%s%s%s%s%s%s (type: tracepoint)%s", indent6, | |
81afa345 MD |
186 | event->name, |
187 | loglevel_string_pre(event->loglevel), | |
188 | event->loglevel, | |
e4baff1e | 189 | ll_value, |
81afa345 MD |
190 | loglevel_string_post(event->loglevel), |
191 | enabled_string(event->enabled)); | |
b551a063 | 192 | break; |
e4baff1e | 193 | } |
b551a063 | 194 | case LTTNG_EVENT_PROBE: |
464dd62d MD |
195 | MSG("%s%s (type: probe)%s", indent6, |
196 | event->name, enabled_string(event->enabled)); | |
b551a063 DG |
197 | if (event->attr.probe.addr != 0) { |
198 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
199 | } else { | |
200 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
201 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
202 | } | |
203 | break; | |
204 | case LTTNG_EVENT_FUNCTION: | |
205 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
464dd62d MD |
206 | MSG("%s%s (type: function)%s", indent6, |
207 | event->name, enabled_string(event->enabled)); | |
b551a063 DG |
208 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
209 | break; | |
210 | case LTTNG_EVENT_SYSCALL: | |
464dd62d MD |
211 | MSG("%s (type: syscall)%s", indent6, |
212 | enabled_string(event->enabled)); | |
b551a063 DG |
213 | break; |
214 | case LTTNG_EVENT_NOOP: | |
464dd62d MD |
215 | MSG("%s (type: noop)%s", indent6, |
216 | enabled_string(event->enabled)); | |
b551a063 | 217 | break; |
81afa345 MD |
218 | case LTTNG_EVENT_TRACEPOINT_LOGLEVEL: |
219 | MSG("%s%s (type: tracepoint loglevel)%s", indent6, | |
e4baff1e MD |
220 | event->name, |
221 | enabled_string(event->enabled)); | |
81afa345 | 222 | break; |
b551a063 DG |
223 | case LTTNG_EVENT_ALL: |
224 | /* We should never have "all" events in list. */ | |
225 | assert(0); | |
226 | break; | |
227 | } | |
228 | } | |
229 | ||
230 | /* | |
231 | * Ask session daemon for all user space tracepoints available. | |
232 | */ | |
233 | static int list_ust_events(void) | |
234 | { | |
235 | int i, size; | |
236 | struct lttng_domain domain; | |
237 | struct lttng_handle *handle; | |
238 | struct lttng_event *event_list; | |
239 | pid_t cur_pid = 0; | |
240 | ||
241 | DBG("Getting UST tracing events"); | |
242 | ||
243 | domain.type = LTTNG_DOMAIN_UST; | |
244 | ||
245 | handle = lttng_create_handle(NULL, &domain); | |
246 | if (handle == NULL) { | |
247 | goto error; | |
248 | } | |
249 | ||
250 | size = lttng_list_tracepoints(handle, &event_list); | |
251 | if (size < 0) { | |
252 | ERR("Unable to list UST events"); | |
253 | return size; | |
254 | } | |
255 | ||
256 | MSG("UST events:\n-------------"); | |
257 | ||
258 | if (size == 0) { | |
259 | MSG("None"); | |
260 | } | |
261 | ||
262 | for (i = 0; i < size; i++) { | |
263 | if (cur_pid != event_list[i].pid) { | |
264 | cur_pid = event_list[i].pid; | |
265 | MSG("\nPID: %d - Name: %s", cur_pid, get_cmdline_by_pid(cur_pid)); | |
266 | } | |
267 | print_events(&event_list[i]); | |
268 | } | |
269 | ||
270 | MSG(""); | |
271 | ||
272 | free(event_list); | |
273 | ||
274 | return CMD_SUCCESS; | |
275 | ||
276 | error: | |
277 | return -1; | |
278 | } | |
f3ed775e DG |
279 | |
280 | /* | |
9f19cc17 | 281 | * Ask for all trace events in the kernel and pretty print them. |
f3ed775e | 282 | */ |
9f19cc17 | 283 | static int list_kernel_events(void) |
f3ed775e | 284 | { |
9f19cc17 | 285 | int i, size; |
b551a063 DG |
286 | struct lttng_domain domain; |
287 | struct lttng_handle *handle; | |
9f19cc17 | 288 | struct lttng_event *event_list; |
f3ed775e | 289 | |
b551a063 DG |
290 | DBG("Getting kernel tracing events"); |
291 | ||
292 | domain.type = LTTNG_DOMAIN_KERNEL; | |
293 | ||
294 | handle = lttng_create_handle(NULL, &domain); | |
295 | if (handle == NULL) { | |
296 | goto error; | |
297 | } | |
f3ed775e | 298 | |
cd80958d | 299 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 DG |
300 | if (size < 0) { |
301 | ERR("Unable to list kernel events"); | |
302 | return size; | |
f3ed775e DG |
303 | } |
304 | ||
9f19cc17 | 305 | MSG("Kernel events:\n-------------"); |
f3ed775e | 306 | |
9f19cc17 | 307 | for (i = 0; i < size; i++) { |
b551a063 | 308 | print_events(&event_list[i]); |
f3ed775e DG |
309 | } |
310 | ||
b551a063 DG |
311 | MSG(""); |
312 | ||
f3ed775e DG |
313 | free(event_list); |
314 | ||
315 | return CMD_SUCCESS; | |
b551a063 DG |
316 | |
317 | error: | |
318 | return -1; | |
f3ed775e DG |
319 | } |
320 | ||
321 | /* | |
9f19cc17 | 322 | * List events of channel of session and domain. |
f3ed775e | 323 | */ |
cd80958d | 324 | static int list_events(const char *channel_name) |
f3ed775e DG |
325 | { |
326 | int ret, count, i; | |
9f19cc17 | 327 | struct lttng_event *events = NULL; |
f3ed775e | 328 | |
cd80958d | 329 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e DG |
330 | if (count < 0) { |
331 | ret = count; | |
332 | goto error; | |
333 | } | |
334 | ||
9f19cc17 DG |
335 | MSG("\n%sEvents:", indent4); |
336 | if (count == 0) { | |
5edd7e09 | 337 | MSG("%sNone\n", indent6); |
9f19cc17 DG |
338 | goto end; |
339 | } | |
340 | ||
f3ed775e | 341 | for (i = 0; i < count; i++) { |
b551a063 | 342 | print_events(&events[i]); |
f3ed775e DG |
343 | } |
344 | ||
9f19cc17 | 345 | MSG(""); |
f3ed775e | 346 | |
9f19cc17 DG |
347 | end: |
348 | if (events) { | |
349 | free(events); | |
350 | } | |
351 | ret = CMD_SUCCESS; | |
f3ed775e DG |
352 | |
353 | error: | |
354 | return ret; | |
355 | } | |
356 | ||
357 | /* | |
9f19cc17 DG |
358 | * Pretty print channel |
359 | */ | |
360 | static void print_channel(struct lttng_channel *channel) | |
361 | { | |
464dd62d | 362 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
363 | |
364 | MSG("%sAttributes:", indent4); | |
365 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); | |
366 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
367 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); | |
368 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); | |
369 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
370 | switch (channel->attr.output) { | |
371 | case LTTNG_EVENT_SPLICE: | |
372 | MSG("%soutput: splice()", indent6); | |
373 | break; | |
374 | case LTTNG_EVENT_MMAP: | |
375 | MSG("%soutput: mmap()", indent6); | |
376 | break; | |
377 | } | |
378 | } | |
379 | ||
380 | /* | |
381 | * List channel(s) of session and domain. | |
f3ed775e | 382 | * |
9f19cc17 | 383 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 384 | */ |
cd80958d | 385 | static int list_channels(const char *channel_name) |
f3ed775e | 386 | { |
9f19cc17 DG |
387 | int count, i, ret = CMD_SUCCESS; |
388 | unsigned int chan_found = 0; | |
389 | struct lttng_channel *channels = NULL; | |
f3ed775e | 390 | |
3e25cb20 | 391 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 392 | |
cd80958d | 393 | count = lttng_list_channels(handle, &channels); |
f3ed775e DG |
394 | if (count < 0) { |
395 | ret = count; | |
396 | goto error; | |
9f19cc17 DG |
397 | } else if (count == 0) { |
398 | MSG("No channel found"); | |
399 | goto end; | |
f3ed775e DG |
400 | } |
401 | ||
9f19cc17 DG |
402 | if (channel_name == NULL) { |
403 | MSG("Channels:\n-------------"); | |
404 | } | |
405 | ||
406 | for (i = 0; i < count; i++) { | |
407 | if (channel_name != NULL) { | |
408 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
409 | chan_found = 1; | |
410 | } else { | |
411 | continue; | |
412 | } | |
413 | } | |
414 | print_channel(&channels[i]); | |
415 | ||
416 | /* Listing events per channel */ | |
cd80958d | 417 | ret = list_events(channels[i].name); |
9f19cc17 | 418 | if (ret < 0) { |
9a745bc7 | 419 | MSG("%s", lttng_strerror(ret)); |
9f19cc17 DG |
420 | } |
421 | ||
422 | if (chan_found) { | |
423 | break; | |
f3ed775e | 424 | } |
f3ed775e DG |
425 | } |
426 | ||
9f19cc17 DG |
427 | if (!chan_found && channel_name != NULL) { |
428 | MSG("Channel %s not found", channel_name); | |
429 | } | |
f3ed775e | 430 | |
9f19cc17 DG |
431 | end: |
432 | free(channels); | |
433 | ret = CMD_SUCCESS; | |
f3ed775e DG |
434 | |
435 | error: | |
436 | return ret; | |
437 | } | |
438 | ||
439 | /* | |
9f19cc17 | 440 | * List available tracing session. List only basic information. |
f3ed775e | 441 | * |
9f19cc17 | 442 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 443 | */ |
9f19cc17 | 444 | static int list_sessions(const char *session_name) |
f3ed775e | 445 | { |
9f19cc17 DG |
446 | int ret, count, i; |
447 | unsigned int session_found = 0; | |
448 | struct lttng_session *sessions; | |
449 | ||
450 | count = lttng_list_sessions(&sessions); | |
451 | DBG("Session count %d", count); | |
452 | if (count < 0) { | |
453 | ret = count; | |
454 | goto error; | |
455 | } | |
456 | ||
457 | if (session_name == NULL) { | |
458 | MSG("Available tracing sessions:"); | |
459 | } | |
460 | ||
461 | for (i = 0; i < count; i++) { | |
462 | if (session_name != NULL) { | |
463 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
464 | session_found = 1; | |
464dd62d | 465 | MSG("Tracing session %s:%s", session_name, active_string(sessions[i].enabled)); |
9f19cc17 DG |
466 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); |
467 | break; | |
468 | } | |
cd80958d | 469 | continue; |
9f19cc17 DG |
470 | } |
471 | ||
464dd62d | 472 | MSG(" %d) %s (%s)%s", i + 1, sessions[i].name, sessions[i].path, active_string(sessions[i].enabled)); |
9f19cc17 DG |
473 | |
474 | if (session_found) { | |
475 | break; | |
476 | } | |
477 | } | |
478 | ||
479 | free(sessions); | |
480 | ||
481 | if (!session_found && session_name != NULL) { | |
482 | MSG("Session %s not found", session_name); | |
483 | } | |
484 | ||
485 | if (session_name == NULL) { | |
6e0de39b | 486 | MSG("\nUse lttng list <session_name> for more details"); |
9f19cc17 | 487 | } |
f3ed775e DG |
488 | |
489 | return CMD_SUCCESS; | |
490 | ||
491 | error: | |
492 | return ret; | |
493 | } | |
f3ed775e DG |
494 | |
495 | /* | |
9f19cc17 | 496 | * List available domain(s) for a session. |
f3ed775e | 497 | */ |
330be774 | 498 | static int list_domains(const char *session_name) |
f3ed775e | 499 | { |
9f19cc17 DG |
500 | int i, count, ret = CMD_SUCCESS; |
501 | struct lttng_domain *domains = NULL; | |
502 | ||
503 | MSG("Domains:\n-------------"); | |
504 | ||
330be774 | 505 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 DG |
506 | if (count < 0) { |
507 | ret = count; | |
508 | goto error; | |
509 | } else if (count == 0) { | |
510 | MSG(" None"); | |
511 | goto end; | |
512 | } | |
513 | ||
514 | for (i = 0; i < count; i++) { | |
515 | switch (domains[i].type) { | |
516 | case LTTNG_DOMAIN_KERNEL: | |
517 | MSG(" - Kernel"); | |
b551a063 DG |
518 | break; |
519 | case LTTNG_DOMAIN_UST: | |
520 | MSG(" - UST global"); | |
521 | break; | |
9f19cc17 DG |
522 | default: |
523 | break; | |
524 | } | |
525 | } | |
526 | ||
527 | end: | |
528 | free(domains); | |
529 | ||
530 | error: | |
531 | return ret; | |
f3ed775e | 532 | } |
f3ed775e DG |
533 | |
534 | /* | |
9f19cc17 | 535 | * The 'list <options>' first level command |
f3ed775e DG |
536 | */ |
537 | int cmd_list(int argc, const char **argv) | |
538 | { | |
9f19cc17 | 539 | int opt, i, ret = CMD_SUCCESS; |
c3919711 | 540 | int nb_domain; |
9f19cc17 | 541 | const char *session_name; |
f3ed775e | 542 | static poptContext pc; |
9f19cc17 DG |
543 | struct lttng_domain domain; |
544 | struct lttng_domain *domains = NULL; | |
f3ed775e | 545 | |
9f19cc17 | 546 | if (argc < 1) { |
f3ed775e DG |
547 | usage(stderr); |
548 | goto end; | |
549 | } | |
550 | ||
551 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
552 | poptReadDefaultConfig(pc, 0); | |
553 | ||
554 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
555 | switch (opt) { | |
556 | case OPT_HELP: | |
557 | usage(stderr); | |
558 | goto end; | |
eeac7d46 MD |
559 | case OPT_USERSPACE: |
560 | opt_userspace = 1; | |
eeac7d46 | 561 | break; |
679b4943 SM |
562 | case OPT_LIST_OPTIONS: |
563 | list_cmd_options(stdout, long_options); | |
564 | ret = CMD_SUCCESS; | |
565 | goto end; | |
f3ed775e DG |
566 | default: |
567 | usage(stderr); | |
568 | ret = CMD_UNDEFINED; | |
569 | goto end; | |
570 | } | |
571 | } | |
572 | ||
9f19cc17 DG |
573 | /* Get session name (trailing argument) */ |
574 | session_name = poptGetArg(pc); | |
b551a063 | 575 | DBG2("Session name: %s", session_name); |
9f19cc17 | 576 | |
cd80958d DG |
577 | if (opt_kernel) { |
578 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
579 | } else if (opt_userspace) { |
580 | DBG2("Listing userspace global domain"); | |
581 | domain.type = LTTNG_DOMAIN_UST; | |
cd80958d DG |
582 | } |
583 | ||
584 | handle = lttng_create_handle(session_name, &domain); | |
585 | if (handle == NULL) { | |
586 | goto end; | |
587 | } | |
588 | ||
9f19cc17 | 589 | if (session_name == NULL) { |
b551a063 DG |
590 | if (!opt_kernel && !opt_userspace) { |
591 | ret = list_sessions(NULL); | |
592 | if (ret < 0) { | |
593 | goto end; | |
594 | } | |
595 | } | |
9f19cc17 DG |
596 | if (opt_kernel) { |
597 | ret = list_kernel_events(); | |
598 | if (ret < 0) { | |
599 | goto end; | |
600 | } | |
b551a063 DG |
601 | } |
602 | if (opt_userspace) { | |
603 | ret = list_ust_events(); | |
9f19cc17 DG |
604 | if (ret < 0) { |
605 | goto end; | |
606 | } | |
607 | } | |
608 | } else { | |
609 | /* List session attributes */ | |
610 | ret = list_sessions(session_name); | |
611 | if (ret < 0) { | |
612 | goto end; | |
613 | } | |
614 | ||
615 | /* Domain listing */ | |
616 | if (opt_domain) { | |
330be774 | 617 | ret = list_domains(session_name); |
9f19cc17 DG |
618 | goto end; |
619 | } | |
620 | ||
621 | if (opt_kernel) { | |
9f19cc17 | 622 | /* Channel listing */ |
cd80958d | 623 | ret = list_channels(opt_channel); |
9f19cc17 DG |
624 | if (ret < 0) { |
625 | goto end; | |
626 | } | |
9f19cc17 DG |
627 | } else { |
628 | /* We want all domain(s) */ | |
330be774 | 629 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 DG |
630 | if (nb_domain < 0) { |
631 | ret = nb_domain; | |
9f19cc17 DG |
632 | goto end; |
633 | } | |
634 | ||
b551a063 | 635 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
636 | switch (domains[i].type) { |
637 | case LTTNG_DOMAIN_KERNEL: | |
638 | MSG("=== Domain: Kernel ===\n"); | |
639 | break; | |
b551a063 DG |
640 | case LTTNG_DOMAIN_UST: |
641 | MSG("=== Domain: UST global ===\n"); | |
642 | break; | |
9f19cc17 DG |
643 | default: |
644 | MSG("=== Domain: Unimplemented ===\n"); | |
645 | break; | |
646 | } | |
647 | ||
cd80958d DG |
648 | /* Clean handle before creating a new one */ |
649 | lttng_destroy_handle(handle); | |
650 | ||
651 | handle = lttng_create_handle(session_name, &domains[i]); | |
652 | if (handle == NULL) { | |
653 | goto end; | |
654 | } | |
655 | ||
656 | ret = list_channels(opt_channel); | |
9f19cc17 DG |
657 | if (ret < 0) { |
658 | goto end; | |
659 | } | |
660 | } | |
661 | } | |
f3ed775e DG |
662 | } |
663 | ||
664 | end: | |
9f19cc17 DG |
665 | if (domains) { |
666 | free(domains); | |
667 | } | |
cd80958d DG |
668 | lttng_destroy_handle(handle); |
669 | ||
f3ed775e DG |
670 | return ret; |
671 | } |