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, |
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 | { | |
27221701 | 73 | fprintf(ofp, "usage: lttng list [OPTIONS] [SESSION [<OPTIONS>]]\n"); |
9f19cc17 DG |
74 | fprintf(ofp, "\n"); |
75 | fprintf(ofp, "With no arguments, list available tracing session(s)\n"); | |
76 | fprintf(ofp, "\n"); | |
27221701 DG |
77 | fprintf(ofp, "Without a session, -k lists available kernel events\n"); |
78 | fprintf(ofp, "Without a session, -u lists available userspace events\n"); | |
9f19cc17 DG |
79 | fprintf(ofp, "\n"); |
80 | fprintf(ofp, " -h, --help Show this help\n"); | |
27221701 | 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"); |
27221701 | 88 | fprintf(ofp, "Session Options:\n"); |
9f19cc17 DG |
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); |
0cda4f28 | 182 | if (ret < 0) { |
e4baff1e | 183 | ERR("snprintf error"); |
0cda4f28 | 184 | } |
e4baff1e MD |
185 | } |
186 | MSG("%s%s%s%s%s%s (type: tracepoint)%s", indent6, | |
81afa345 MD |
187 | event->name, |
188 | loglevel_string_pre(event->loglevel), | |
189 | event->loglevel, | |
e4baff1e | 190 | ll_value, |
81afa345 MD |
191 | loglevel_string_post(event->loglevel), |
192 | enabled_string(event->enabled)); | |
b551a063 | 193 | break; |
e4baff1e | 194 | } |
b551a063 | 195 | case LTTNG_EVENT_PROBE: |
464dd62d MD |
196 | MSG("%s%s (type: probe)%s", indent6, |
197 | event->name, enabled_string(event->enabled)); | |
b551a063 DG |
198 | if (event->attr.probe.addr != 0) { |
199 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
200 | } else { | |
201 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
202 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
203 | } | |
204 | break; | |
205 | case LTTNG_EVENT_FUNCTION: | |
206 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
464dd62d MD |
207 | MSG("%s%s (type: function)%s", indent6, |
208 | event->name, enabled_string(event->enabled)); | |
b551a063 DG |
209 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
210 | break; | |
211 | case LTTNG_EVENT_SYSCALL: | |
464dd62d MD |
212 | MSG("%s (type: syscall)%s", indent6, |
213 | enabled_string(event->enabled)); | |
b551a063 DG |
214 | break; |
215 | case LTTNG_EVENT_NOOP: | |
464dd62d MD |
216 | MSG("%s (type: noop)%s", indent6, |
217 | enabled_string(event->enabled)); | |
b551a063 DG |
218 | break; |
219 | case LTTNG_EVENT_ALL: | |
220 | /* We should never have "all" events in list. */ | |
221 | assert(0); | |
222 | break; | |
223 | } | |
224 | } | |
225 | ||
226 | /* | |
227 | * Ask session daemon for all user space tracepoints available. | |
228 | */ | |
229 | static int list_ust_events(void) | |
230 | { | |
231 | int i, size; | |
232 | struct lttng_domain domain; | |
233 | struct lttng_handle *handle; | |
234 | struct lttng_event *event_list; | |
235 | pid_t cur_pid = 0; | |
236 | ||
237 | DBG("Getting UST tracing events"); | |
238 | ||
239 | domain.type = LTTNG_DOMAIN_UST; | |
240 | ||
241 | handle = lttng_create_handle(NULL, &domain); | |
242 | if (handle == NULL) { | |
243 | goto error; | |
244 | } | |
245 | ||
246 | size = lttng_list_tracepoints(handle, &event_list); | |
247 | if (size < 0) { | |
248 | ERR("Unable to list UST events"); | |
249 | return size; | |
250 | } | |
251 | ||
252 | MSG("UST events:\n-------------"); | |
253 | ||
254 | if (size == 0) { | |
255 | MSG("None"); | |
256 | } | |
257 | ||
258 | for (i = 0; i < size; i++) { | |
259 | if (cur_pid != event_list[i].pid) { | |
260 | cur_pid = event_list[i].pid; | |
261 | MSG("\nPID: %d - Name: %s", cur_pid, get_cmdline_by_pid(cur_pid)); | |
262 | } | |
263 | print_events(&event_list[i]); | |
264 | } | |
265 | ||
266 | MSG(""); | |
267 | ||
268 | free(event_list); | |
269 | ||
270 | return CMD_SUCCESS; | |
271 | ||
272 | error: | |
273 | return -1; | |
274 | } | |
f3ed775e DG |
275 | |
276 | /* | |
9f19cc17 | 277 | * Ask for all trace events in the kernel and pretty print them. |
f3ed775e | 278 | */ |
9f19cc17 | 279 | static int list_kernel_events(void) |
f3ed775e | 280 | { |
9f19cc17 | 281 | int i, size; |
b551a063 DG |
282 | struct lttng_domain domain; |
283 | struct lttng_handle *handle; | |
9f19cc17 | 284 | struct lttng_event *event_list; |
f3ed775e | 285 | |
b551a063 DG |
286 | DBG("Getting kernel tracing events"); |
287 | ||
288 | domain.type = LTTNG_DOMAIN_KERNEL; | |
289 | ||
290 | handle = lttng_create_handle(NULL, &domain); | |
291 | if (handle == NULL) { | |
292 | goto error; | |
293 | } | |
f3ed775e | 294 | |
cd80958d | 295 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 DG |
296 | if (size < 0) { |
297 | ERR("Unable to list kernel events"); | |
298 | return size; | |
f3ed775e DG |
299 | } |
300 | ||
9f19cc17 | 301 | MSG("Kernel events:\n-------------"); |
f3ed775e | 302 | |
9f19cc17 | 303 | for (i = 0; i < size; i++) { |
b551a063 | 304 | print_events(&event_list[i]); |
f3ed775e DG |
305 | } |
306 | ||
b551a063 DG |
307 | MSG(""); |
308 | ||
f3ed775e DG |
309 | free(event_list); |
310 | ||
311 | return CMD_SUCCESS; | |
b551a063 DG |
312 | |
313 | error: | |
314 | return -1; | |
f3ed775e DG |
315 | } |
316 | ||
317 | /* | |
9f19cc17 | 318 | * List events of channel of session and domain. |
f3ed775e | 319 | */ |
cd80958d | 320 | static int list_events(const char *channel_name) |
f3ed775e DG |
321 | { |
322 | int ret, count, i; | |
9f19cc17 | 323 | struct lttng_event *events = NULL; |
f3ed775e | 324 | |
cd80958d | 325 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e DG |
326 | if (count < 0) { |
327 | ret = count; | |
328 | goto error; | |
329 | } | |
330 | ||
9f19cc17 DG |
331 | MSG("\n%sEvents:", indent4); |
332 | if (count == 0) { | |
5edd7e09 | 333 | MSG("%sNone\n", indent6); |
9f19cc17 DG |
334 | goto end; |
335 | } | |
336 | ||
f3ed775e | 337 | for (i = 0; i < count; i++) { |
b551a063 | 338 | print_events(&events[i]); |
f3ed775e DG |
339 | } |
340 | ||
9f19cc17 | 341 | MSG(""); |
f3ed775e | 342 | |
9f19cc17 DG |
343 | end: |
344 | if (events) { | |
345 | free(events); | |
346 | } | |
347 | ret = CMD_SUCCESS; | |
f3ed775e DG |
348 | |
349 | error: | |
350 | return ret; | |
351 | } | |
352 | ||
353 | /* | |
9f19cc17 DG |
354 | * Pretty print channel |
355 | */ | |
356 | static void print_channel(struct lttng_channel *channel) | |
357 | { | |
464dd62d | 358 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
359 | |
360 | MSG("%sAttributes:", indent4); | |
361 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); | |
362 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
363 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); | |
364 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); | |
365 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
366 | switch (channel->attr.output) { | |
367 | case LTTNG_EVENT_SPLICE: | |
368 | MSG("%soutput: splice()", indent6); | |
369 | break; | |
370 | case LTTNG_EVENT_MMAP: | |
371 | MSG("%soutput: mmap()", indent6); | |
372 | break; | |
373 | } | |
374 | } | |
375 | ||
376 | /* | |
377 | * List channel(s) of session and domain. | |
f3ed775e | 378 | * |
9f19cc17 | 379 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 380 | */ |
cd80958d | 381 | static int list_channels(const char *channel_name) |
f3ed775e | 382 | { |
9f19cc17 DG |
383 | int count, i, ret = CMD_SUCCESS; |
384 | unsigned int chan_found = 0; | |
385 | struct lttng_channel *channels = NULL; | |
f3ed775e | 386 | |
3e25cb20 | 387 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 388 | |
cd80958d | 389 | count = lttng_list_channels(handle, &channels); |
f3ed775e DG |
390 | if (count < 0) { |
391 | ret = count; | |
ae856491 | 392 | goto error_channels; |
9f19cc17 | 393 | } else if (count == 0) { |
ae856491 DG |
394 | ERR("Channel %s not found", channel_name); |
395 | goto error; | |
f3ed775e DG |
396 | } |
397 | ||
9f19cc17 DG |
398 | if (channel_name == NULL) { |
399 | MSG("Channels:\n-------------"); | |
400 | } | |
401 | ||
402 | for (i = 0; i < count; i++) { | |
403 | if (channel_name != NULL) { | |
404 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
405 | chan_found = 1; | |
406 | } else { | |
407 | continue; | |
408 | } | |
409 | } | |
410 | print_channel(&channels[i]); | |
411 | ||
412 | /* Listing events per channel */ | |
cd80958d | 413 | ret = list_events(channels[i].name); |
9f19cc17 | 414 | if (ret < 0) { |
9a745bc7 | 415 | MSG("%s", lttng_strerror(ret)); |
9f19cc17 DG |
416 | } |
417 | ||
418 | if (chan_found) { | |
419 | break; | |
f3ed775e | 420 | } |
f3ed775e DG |
421 | } |
422 | ||
9f19cc17 | 423 | if (!chan_found && channel_name != NULL) { |
ae856491 DG |
424 | ERR("Channel %s not found", channel_name); |
425 | goto error; | |
9f19cc17 | 426 | } |
f3ed775e | 427 | |
9f19cc17 | 428 | ret = CMD_SUCCESS; |
f3ed775e DG |
429 | |
430 | error: | |
ae856491 DG |
431 | free(channels); |
432 | ||
433 | error_channels: | |
f3ed775e DG |
434 | return ret; |
435 | } | |
436 | ||
437 | /* | |
9f19cc17 | 438 | * List available tracing session. List only basic information. |
f3ed775e | 439 | * |
9f19cc17 | 440 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 441 | */ |
9f19cc17 | 442 | static int list_sessions(const char *session_name) |
f3ed775e | 443 | { |
9f19cc17 DG |
444 | int ret, count, i; |
445 | unsigned int session_found = 0; | |
446 | struct lttng_session *sessions; | |
447 | ||
448 | count = lttng_list_sessions(&sessions); | |
449 | DBG("Session count %d", count); | |
450 | if (count < 0) { | |
451 | ret = count; | |
452 | goto error; | |
453 | } | |
454 | ||
455 | if (session_name == NULL) { | |
456 | MSG("Available tracing sessions:"); | |
457 | } | |
458 | ||
459 | for (i = 0; i < count; i++) { | |
460 | if (session_name != NULL) { | |
461 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
462 | session_found = 1; | |
464dd62d | 463 | MSG("Tracing session %s:%s", session_name, active_string(sessions[i].enabled)); |
9f19cc17 DG |
464 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); |
465 | break; | |
466 | } | |
cd80958d | 467 | continue; |
9f19cc17 DG |
468 | } |
469 | ||
464dd62d | 470 | MSG(" %d) %s (%s)%s", i + 1, sessions[i].name, sessions[i].path, active_string(sessions[i].enabled)); |
9f19cc17 DG |
471 | |
472 | if (session_found) { | |
473 | break; | |
474 | } | |
475 | } | |
476 | ||
477 | free(sessions); | |
478 | ||
479 | if (!session_found && session_name != NULL) { | |
ae856491 | 480 | ERR("Session %s not found", session_name); |
9f19cc17 DG |
481 | } |
482 | ||
483 | if (session_name == NULL) { | |
6e0de39b | 484 | MSG("\nUse lttng list <session_name> for more details"); |
9f19cc17 | 485 | } |
f3ed775e DG |
486 | |
487 | return CMD_SUCCESS; | |
488 | ||
489 | error: | |
490 | return ret; | |
491 | } | |
f3ed775e DG |
492 | |
493 | /* | |
9f19cc17 | 494 | * List available domain(s) for a session. |
f3ed775e | 495 | */ |
330be774 | 496 | static int list_domains(const char *session_name) |
f3ed775e | 497 | { |
9f19cc17 DG |
498 | int i, count, ret = CMD_SUCCESS; |
499 | struct lttng_domain *domains = NULL; | |
500 | ||
501 | MSG("Domains:\n-------------"); | |
502 | ||
330be774 | 503 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 DG |
504 | if (count < 0) { |
505 | ret = count; | |
506 | goto error; | |
507 | } else if (count == 0) { | |
508 | MSG(" None"); | |
509 | goto end; | |
510 | } | |
511 | ||
512 | for (i = 0; i < count; i++) { | |
513 | switch (domains[i].type) { | |
514 | case LTTNG_DOMAIN_KERNEL: | |
515 | MSG(" - Kernel"); | |
b551a063 DG |
516 | break; |
517 | case LTTNG_DOMAIN_UST: | |
518 | MSG(" - UST global"); | |
519 | break; | |
9f19cc17 DG |
520 | default: |
521 | break; | |
522 | } | |
523 | } | |
524 | ||
525 | end: | |
526 | free(domains); | |
527 | ||
528 | error: | |
529 | return ret; | |
f3ed775e | 530 | } |
f3ed775e DG |
531 | |
532 | /* | |
9f19cc17 | 533 | * The 'list <options>' first level command |
f3ed775e DG |
534 | */ |
535 | int cmd_list(int argc, const char **argv) | |
536 | { | |
9f19cc17 | 537 | int opt, i, ret = CMD_SUCCESS; |
c3919711 | 538 | int nb_domain; |
9f19cc17 | 539 | const char *session_name; |
f3ed775e | 540 | static poptContext pc; |
9f19cc17 DG |
541 | struct lttng_domain domain; |
542 | struct lttng_domain *domains = NULL; | |
f3ed775e | 543 | |
9f19cc17 | 544 | if (argc < 1) { |
f3ed775e | 545 | usage(stderr); |
ca1c3607 | 546 | ret = CMD_ERROR; |
f3ed775e DG |
547 | goto end; |
548 | } | |
549 | ||
550 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
551 | poptReadDefaultConfig(pc, 0); | |
552 | ||
553 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
554 | switch (opt) { | |
555 | case OPT_HELP: | |
ca1c3607 | 556 | usage(stdout); |
f3ed775e | 557 | goto end; |
eeac7d46 MD |
558 | case OPT_USERSPACE: |
559 | opt_userspace = 1; | |
eeac7d46 | 560 | break; |
679b4943 SM |
561 | case OPT_LIST_OPTIONS: |
562 | list_cmd_options(stdout, long_options); | |
679b4943 | 563 | goto end; |
f3ed775e DG |
564 | default: |
565 | usage(stderr); | |
566 | ret = CMD_UNDEFINED; | |
567 | goto end; | |
568 | } | |
569 | } | |
570 | ||
9f19cc17 DG |
571 | /* Get session name (trailing argument) */ |
572 | session_name = poptGetArg(pc); | |
b551a063 | 573 | DBG2("Session name: %s", session_name); |
9f19cc17 | 574 | |
cd80958d DG |
575 | if (opt_kernel) { |
576 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
577 | } else if (opt_userspace) { |
578 | DBG2("Listing userspace global domain"); | |
579 | domain.type = LTTNG_DOMAIN_UST; | |
cd80958d DG |
580 | } |
581 | ||
582 | handle = lttng_create_handle(session_name, &domain); | |
583 | if (handle == NULL) { | |
ca1c3607 | 584 | ret = CMD_FATAL; |
cd80958d DG |
585 | goto end; |
586 | } | |
587 | ||
9f19cc17 | 588 | if (session_name == NULL) { |
b551a063 DG |
589 | if (!opt_kernel && !opt_userspace) { |
590 | ret = list_sessions(NULL); | |
591 | if (ret < 0) { | |
ca1c3607 | 592 | ret = CMD_ERROR; |
b551a063 DG |
593 | goto end; |
594 | } | |
595 | } | |
9f19cc17 DG |
596 | if (opt_kernel) { |
597 | ret = list_kernel_events(); | |
598 | if (ret < 0) { | |
ca1c3607 | 599 | ret = CMD_ERROR; |
9f19cc17 DG |
600 | goto end; |
601 | } | |
b551a063 DG |
602 | } |
603 | if (opt_userspace) { | |
604 | ret = list_ust_events(); | |
9f19cc17 | 605 | if (ret < 0) { |
ca1c3607 | 606 | ret = CMD_ERROR; |
9f19cc17 DG |
607 | goto end; |
608 | } | |
609 | } | |
610 | } else { | |
611 | /* List session attributes */ | |
612 | ret = list_sessions(session_name); | |
613 | if (ret < 0) { | |
ca1c3607 | 614 | ret = CMD_ERROR; |
9f19cc17 DG |
615 | goto end; |
616 | } | |
617 | ||
618 | /* Domain listing */ | |
619 | if (opt_domain) { | |
330be774 | 620 | ret = list_domains(session_name); |
ca1c3607 TD |
621 | if (ret < 0) { |
622 | ret = CMD_ERROR; | |
623 | } | |
9f19cc17 DG |
624 | goto end; |
625 | } | |
626 | ||
627 | if (opt_kernel) { | |
9f19cc17 | 628 | /* Channel listing */ |
cd80958d | 629 | ret = list_channels(opt_channel); |
9f19cc17 | 630 | if (ret < 0) { |
ca1c3607 | 631 | ret = CMD_ERROR; |
9f19cc17 DG |
632 | goto end; |
633 | } | |
9f19cc17 DG |
634 | } else { |
635 | /* We want all domain(s) */ | |
330be774 | 636 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 637 | if (nb_domain < 0) { |
ca1c3607 | 638 | ret = CMD_ERROR; |
9f19cc17 DG |
639 | goto end; |
640 | } | |
641 | ||
b551a063 | 642 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
643 | switch (domains[i].type) { |
644 | case LTTNG_DOMAIN_KERNEL: | |
645 | MSG("=== Domain: Kernel ===\n"); | |
646 | break; | |
b551a063 DG |
647 | case LTTNG_DOMAIN_UST: |
648 | MSG("=== Domain: UST global ===\n"); | |
649 | break; | |
9f19cc17 DG |
650 | default: |
651 | MSG("=== Domain: Unimplemented ===\n"); | |
652 | break; | |
653 | } | |
654 | ||
cd80958d DG |
655 | /* Clean handle before creating a new one */ |
656 | lttng_destroy_handle(handle); | |
657 | ||
658 | handle = lttng_create_handle(session_name, &domains[i]); | |
659 | if (handle == NULL) { | |
ca1c3607 | 660 | ret = CMD_FATAL; |
cd80958d DG |
661 | goto end; |
662 | } | |
663 | ||
664 | ret = list_channels(opt_channel); | |
9f19cc17 | 665 | if (ret < 0) { |
ca1c3607 | 666 | ret = CMD_ERROR; |
9f19cc17 DG |
667 | goto end; |
668 | } | |
669 | } | |
670 | } | |
f3ed775e DG |
671 | } |
672 | ||
673 | end: | |
9f19cc17 DG |
674 | if (domains) { |
675 | free(domains); | |
676 | } | |
cd80958d DG |
677 | lttng_destroy_handle(handle); |
678 | ||
ca1c3607 | 679 | poptFreeContext(pc); |
f3ed775e DG |
680 | return ret; |
681 | } |