Commit | Line | Data |
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f3ed775e DG |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
d14d33bf AM |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License, version 2 only, | |
6 | * as published by the Free Software Foundation. | |
f3ed775e DG |
7 | * |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
d14d33bf AM |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
f3ed775e DG |
16 | */ |
17 | ||
18 | #define _GNU_SOURCE | |
9f19cc17 | 19 | #include <inttypes.h> |
f3ed775e DG |
20 | #include <popt.h> |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
7a3d1328 | 24 | #include <assert.h> |
f3ed775e | 25 | |
c399183f | 26 | #include "../command.h" |
f3ed775e | 27 | |
9f19cc17 DG |
28 | static int opt_userspace; |
29 | static int opt_kernel; | |
30 | static char *opt_channel; | |
31 | static int opt_domain; | |
d78d6610 DG |
32 | #if 0 |
33 | /* Not implemented yet */ | |
34 | static char *opt_cmd_name; | |
35 | static pid_t opt_pid; | |
36 | #endif | |
9f19cc17 DG |
37 | |
38 | const char *indent4 = " "; | |
39 | const char *indent6 = " "; | |
40 | const char *indent8 = " "; | |
f3ed775e DG |
41 | |
42 | enum { | |
43 | OPT_HELP = 1, | |
eeac7d46 | 44 | OPT_USERSPACE, |
679b4943 | 45 | OPT_LIST_OPTIONS, |
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}, | |
679b4943 | 63 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
f3ed775e DG |
64 | {0, 0, 0, 0, 0, 0, 0} |
65 | }; | |
66 | ||
67 | /* | |
68 | * usage | |
69 | */ | |
70 | static void usage(FILE *ofp) | |
71 | { | |
27221701 | 72 | fprintf(ofp, "usage: lttng list [OPTIONS] [SESSION [<OPTIONS>]]\n"); |
9f19cc17 DG |
73 | fprintf(ofp, "\n"); |
74 | fprintf(ofp, "With no arguments, list available tracing session(s)\n"); | |
75 | fprintf(ofp, "\n"); | |
27221701 DG |
76 | fprintf(ofp, "Without a session, -k lists available kernel events\n"); |
77 | fprintf(ofp, "Without a session, -u lists available userspace events\n"); | |
9f19cc17 DG |
78 | fprintf(ofp, "\n"); |
79 | fprintf(ofp, " -h, --help Show this help\n"); | |
27221701 | 80 | fprintf(ofp, " --list-options Simple listing of options\n"); |
9f19cc17 DG |
81 | fprintf(ofp, " -k, --kernel Select kernel domain\n"); |
82 | fprintf(ofp, " -u, --userspace Select user-space domain.\n"); | |
d78d6610 | 83 | #if 0 |
9f19cc17 | 84 | fprintf(ofp, " -p, --pid PID List user-space events by PID\n"); |
d78d6610 | 85 | #endif |
f3ed775e | 86 | fprintf(ofp, "\n"); |
27221701 | 87 | fprintf(ofp, "Session Options:\n"); |
9f19cc17 DG |
88 | fprintf(ofp, " -c, --channel NAME List details of a channel\n"); |
89 | fprintf(ofp, " -d, --domain List available domain(s)\n"); | |
f3ed775e DG |
90 | fprintf(ofp, "\n"); |
91 | } | |
92 | ||
93 | /* | |
9f19cc17 | 94 | * Get command line from /proc for a specific pid. |
f3ed775e | 95 | * |
9f19cc17 DG |
96 | * On success, return an allocated string pointer to the proc cmdline. |
97 | * On error, return NULL. | |
f3ed775e DG |
98 | */ |
99 | static char *get_cmdline_by_pid(pid_t pid) | |
100 | { | |
101 | int ret; | |
102 | FILE *fp; | |
103 | char *cmdline = NULL; | |
104 | char path[24]; /* Can't go bigger than /proc/65535/cmdline */ | |
105 | ||
106 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); | |
107 | fp = fopen(path, "r"); | |
108 | if (fp == NULL) { | |
109 | goto end; | |
110 | } | |
111 | ||
112 | /* Caller must free() *cmdline */ | |
113 | cmdline = malloc(PATH_MAX); | |
114 | ret = fread(cmdline, 1, PATH_MAX, fp); | |
f40799e8 DG |
115 | if (ret < 0) { |
116 | perror("fread proc list"); | |
117 | } | |
f3ed775e DG |
118 | fclose(fp); |
119 | ||
120 | end: | |
121 | return cmdline; | |
122 | } | |
b551a063 | 123 | |
464dd62d MD |
124 | static |
125 | const char *active_string(int value) | |
126 | { | |
127 | switch (value) { | |
b09f0429 MD |
128 | case 0: return " [inactive]"; |
129 | case 1: return " [active]"; | |
464dd62d MD |
130 | case -1: return ""; |
131 | default: return NULL; | |
132 | } | |
133 | } | |
134 | ||
135 | static | |
136 | const char *enabled_string(int value) | |
137 | { | |
138 | switch (value) { | |
b09f0429 MD |
139 | case 0: return " [disabled]"; |
140 | case 1: return " [enabled]"; | |
464dd62d MD |
141 | case -1: return ""; |
142 | default: return NULL; | |
143 | } | |
144 | } | |
145 | ||
8005f29a MD |
146 | static const char *loglevel_string(int value) |
147 | { | |
148 | switch (value) { | |
255a5dab MD |
149 | case -1: |
150 | return ""; | |
151 | case LTTNG_LOGLEVEL_EMERG: | |
152 | return "TRACE_EMERG"; | |
153 | case LTTNG_LOGLEVEL_ALERT: | |
154 | return "TRACE_ALERT"; | |
155 | case LTTNG_LOGLEVEL_CRIT: | |
156 | return "TRACE_CRIT"; | |
157 | case LTTNG_LOGLEVEL_ERR: | |
158 | return "TRACE_ERR"; | |
159 | case LTTNG_LOGLEVEL_WARNING: | |
160 | return "TRACE_WARNING"; | |
161 | case LTTNG_LOGLEVEL_NOTICE: | |
162 | return "TRACE_NOTICE"; | |
163 | case LTTNG_LOGLEVEL_INFO: | |
164 | return "TRACE_INFO"; | |
165 | case LTTNG_LOGLEVEL_DEBUG_SYSTEM: | |
166 | return "TRACE_DEBUG_SYSTEM"; | |
167 | case LTTNG_LOGLEVEL_DEBUG_PROGRAM: | |
168 | return "TRACE_DEBUG_PROGRAM"; | |
169 | case LTTNG_LOGLEVEL_DEBUG_PROCESS: | |
170 | return "TRACE_DEBUG_PROCESS"; | |
171 | case LTTNG_LOGLEVEL_DEBUG_MODULE: | |
172 | return "TRACE_DEBUG_MODULE"; | |
173 | case LTTNG_LOGLEVEL_DEBUG_UNIT: | |
174 | return "TRACE_DEBUG_UNIT"; | |
175 | case LTTNG_LOGLEVEL_DEBUG_FUNCTION: | |
176 | return "TRACE_DEBUG_FUNCTION"; | |
177 | case LTTNG_LOGLEVEL_DEBUG_LINE: | |
178 | return "TRACE_DEBUG_LINE"; | |
179 | case LTTNG_LOGLEVEL_DEBUG: | |
180 | return "TRACE_DEBUG"; | |
181 | default: | |
182 | return "<<UNKNOWN>>"; | |
8005f29a MD |
183 | } |
184 | } | |
185 | ||
b551a063 DG |
186 | /* |
187 | * Pretty print single event. | |
188 | */ | |
189 | static void print_events(struct lttng_event *event) | |
190 | { | |
191 | switch (event->type) { | |
192 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 193 | { |
8b703175 MD |
194 | if (event->loglevel != -1) { |
195 | MSG("%s%s (loglevel: %s (%d)) (type: tracepoint)%s", | |
196 | indent6, | |
81afa345 | 197 | event->name, |
8005f29a | 198 | loglevel_string(event->loglevel), |
8b703175 | 199 | event->loglevel, |
81afa345 | 200 | enabled_string(event->enabled)); |
8b703175 MD |
201 | } else { |
202 | MSG("%s%s (type: tracepoint)%s", | |
203 | indent6, | |
204 | event->name, | |
205 | enabled_string(event->enabled)); | |
206 | } | |
b551a063 | 207 | break; |
e4baff1e | 208 | } |
b551a063 | 209 | case LTTNG_EVENT_PROBE: |
464dd62d MD |
210 | MSG("%s%s (type: probe)%s", indent6, |
211 | event->name, enabled_string(event->enabled)); | |
b551a063 DG |
212 | if (event->attr.probe.addr != 0) { |
213 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
214 | } else { | |
215 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
216 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
217 | } | |
218 | break; | |
219 | case LTTNG_EVENT_FUNCTION: | |
220 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
464dd62d MD |
221 | MSG("%s%s (type: function)%s", indent6, |
222 | event->name, enabled_string(event->enabled)); | |
b551a063 DG |
223 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
224 | break; | |
225 | case LTTNG_EVENT_SYSCALL: | |
2c425ff7 | 226 | MSG("%ssyscalls (type: syscall)%s", indent6, |
464dd62d | 227 | enabled_string(event->enabled)); |
b551a063 DG |
228 | break; |
229 | case LTTNG_EVENT_NOOP: | |
464dd62d MD |
230 | MSG("%s (type: noop)%s", indent6, |
231 | enabled_string(event->enabled)); | |
b551a063 DG |
232 | break; |
233 | case LTTNG_EVENT_ALL: | |
234 | /* We should never have "all" events in list. */ | |
235 | assert(0); | |
236 | break; | |
237 | } | |
238 | } | |
239 | ||
240 | /* | |
241 | * Ask session daemon for all user space tracepoints available. | |
242 | */ | |
243 | static int list_ust_events(void) | |
244 | { | |
245 | int i, size; | |
246 | struct lttng_domain domain; | |
247 | struct lttng_handle *handle; | |
248 | struct lttng_event *event_list; | |
249 | pid_t cur_pid = 0; | |
250 | ||
441c16a7 MD |
251 | memset(&domain, 0, sizeof(domain)); |
252 | ||
b551a063 DG |
253 | DBG("Getting UST tracing events"); |
254 | ||
255 | domain.type = LTTNG_DOMAIN_UST; | |
256 | ||
257 | handle = lttng_create_handle(NULL, &domain); | |
258 | if (handle == NULL) { | |
259 | goto error; | |
260 | } | |
261 | ||
262 | size = lttng_list_tracepoints(handle, &event_list); | |
263 | if (size < 0) { | |
264 | ERR("Unable to list UST events"); | |
ef021732 | 265 | lttng_destroy_handle(handle); |
b551a063 DG |
266 | return size; |
267 | } | |
268 | ||
269 | MSG("UST events:\n-------------"); | |
270 | ||
271 | if (size == 0) { | |
272 | MSG("None"); | |
273 | } | |
274 | ||
275 | for (i = 0; i < size; i++) { | |
276 | if (cur_pid != event_list[i].pid) { | |
277 | cur_pid = event_list[i].pid; | |
278 | MSG("\nPID: %d - Name: %s", cur_pid, get_cmdline_by_pid(cur_pid)); | |
279 | } | |
280 | print_events(&event_list[i]); | |
281 | } | |
282 | ||
283 | MSG(""); | |
284 | ||
285 | free(event_list); | |
ef021732 | 286 | lttng_destroy_handle(handle); |
b551a063 DG |
287 | |
288 | return CMD_SUCCESS; | |
289 | ||
290 | error: | |
ef021732 | 291 | lttng_destroy_handle(handle); |
b551a063 DG |
292 | return -1; |
293 | } | |
f3ed775e DG |
294 | |
295 | /* | |
9f19cc17 | 296 | * Ask for all trace events in the kernel and pretty print them. |
f3ed775e | 297 | */ |
9f19cc17 | 298 | static int list_kernel_events(void) |
f3ed775e | 299 | { |
9f19cc17 | 300 | int i, size; |
b551a063 DG |
301 | struct lttng_domain domain; |
302 | struct lttng_handle *handle; | |
9f19cc17 | 303 | struct lttng_event *event_list; |
f3ed775e | 304 | |
441c16a7 MD |
305 | memset(&domain, 0, sizeof(domain)); |
306 | ||
b551a063 DG |
307 | DBG("Getting kernel tracing events"); |
308 | ||
309 | domain.type = LTTNG_DOMAIN_KERNEL; | |
310 | ||
311 | handle = lttng_create_handle(NULL, &domain); | |
312 | if (handle == NULL) { | |
313 | goto error; | |
314 | } | |
f3ed775e | 315 | |
cd80958d | 316 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 DG |
317 | if (size < 0) { |
318 | ERR("Unable to list kernel events"); | |
ef021732 | 319 | lttng_destroy_handle(handle); |
9f19cc17 | 320 | return size; |
f3ed775e DG |
321 | } |
322 | ||
9f19cc17 | 323 | MSG("Kernel events:\n-------------"); |
f3ed775e | 324 | |
9f19cc17 | 325 | for (i = 0; i < size; i++) { |
b551a063 | 326 | print_events(&event_list[i]); |
f3ed775e DG |
327 | } |
328 | ||
b551a063 DG |
329 | MSG(""); |
330 | ||
f3ed775e DG |
331 | free(event_list); |
332 | ||
ef021732 | 333 | lttng_destroy_handle(handle); |
f3ed775e | 334 | return CMD_SUCCESS; |
b551a063 DG |
335 | |
336 | error: | |
ef021732 | 337 | lttng_destroy_handle(handle); |
b551a063 | 338 | return -1; |
f3ed775e DG |
339 | } |
340 | ||
341 | /* | |
9f19cc17 | 342 | * List events of channel of session and domain. |
f3ed775e | 343 | */ |
cd80958d | 344 | static int list_events(const char *channel_name) |
f3ed775e DG |
345 | { |
346 | int ret, count, i; | |
9f19cc17 | 347 | struct lttng_event *events = NULL; |
f3ed775e | 348 | |
cd80958d | 349 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e DG |
350 | if (count < 0) { |
351 | ret = count; | |
352 | goto error; | |
353 | } | |
354 | ||
9f19cc17 DG |
355 | MSG("\n%sEvents:", indent4); |
356 | if (count == 0) { | |
5edd7e09 | 357 | MSG("%sNone\n", indent6); |
9f19cc17 DG |
358 | goto end; |
359 | } | |
360 | ||
f3ed775e | 361 | for (i = 0; i < count; i++) { |
b551a063 | 362 | print_events(&events[i]); |
f3ed775e DG |
363 | } |
364 | ||
9f19cc17 | 365 | MSG(""); |
f3ed775e | 366 | |
9f19cc17 DG |
367 | end: |
368 | if (events) { | |
369 | free(events); | |
370 | } | |
371 | ret = CMD_SUCCESS; | |
f3ed775e DG |
372 | |
373 | error: | |
374 | return ret; | |
375 | } | |
376 | ||
377 | /* | |
9f19cc17 DG |
378 | * Pretty print channel |
379 | */ | |
380 | static void print_channel(struct lttng_channel *channel) | |
381 | { | |
464dd62d | 382 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
383 | |
384 | MSG("%sAttributes:", indent4); | |
385 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); | |
386 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
387 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); | |
388 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); | |
389 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
390 | switch (channel->attr.output) { | |
391 | case LTTNG_EVENT_SPLICE: | |
392 | MSG("%soutput: splice()", indent6); | |
393 | break; | |
394 | case LTTNG_EVENT_MMAP: | |
395 | MSG("%soutput: mmap()", indent6); | |
396 | break; | |
397 | } | |
398 | } | |
399 | ||
400 | /* | |
401 | * List channel(s) of session and domain. | |
f3ed775e | 402 | * |
9f19cc17 | 403 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 404 | */ |
cd80958d | 405 | static int list_channels(const char *channel_name) |
f3ed775e | 406 | { |
9f19cc17 DG |
407 | int count, i, ret = CMD_SUCCESS; |
408 | unsigned int chan_found = 0; | |
409 | struct lttng_channel *channels = NULL; | |
f3ed775e | 410 | |
3e25cb20 | 411 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 412 | |
cd80958d | 413 | count = lttng_list_channels(handle, &channels); |
f3ed775e DG |
414 | if (count < 0) { |
415 | ret = count; | |
ae856491 | 416 | goto error_channels; |
9f19cc17 | 417 | } else if (count == 0) { |
ae856491 DG |
418 | ERR("Channel %s not found", channel_name); |
419 | goto error; | |
f3ed775e DG |
420 | } |
421 | ||
9f19cc17 DG |
422 | if (channel_name == NULL) { |
423 | MSG("Channels:\n-------------"); | |
424 | } | |
425 | ||
426 | for (i = 0; i < count; i++) { | |
427 | if (channel_name != NULL) { | |
428 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
429 | chan_found = 1; | |
430 | } else { | |
431 | continue; | |
432 | } | |
433 | } | |
434 | print_channel(&channels[i]); | |
435 | ||
436 | /* Listing events per channel */ | |
cd80958d | 437 | ret = list_events(channels[i].name); |
9f19cc17 | 438 | if (ret < 0) { |
9a745bc7 | 439 | MSG("%s", lttng_strerror(ret)); |
9f19cc17 DG |
440 | } |
441 | ||
442 | if (chan_found) { | |
443 | break; | |
f3ed775e | 444 | } |
f3ed775e DG |
445 | } |
446 | ||
9f19cc17 | 447 | if (!chan_found && channel_name != NULL) { |
ae856491 DG |
448 | ERR("Channel %s not found", channel_name); |
449 | goto error; | |
9f19cc17 | 450 | } |
f3ed775e | 451 | |
9f19cc17 | 452 | ret = CMD_SUCCESS; |
f3ed775e DG |
453 | |
454 | error: | |
ae856491 DG |
455 | free(channels); |
456 | ||
457 | error_channels: | |
f3ed775e DG |
458 | return ret; |
459 | } | |
460 | ||
461 | /* | |
9f19cc17 | 462 | * List available tracing session. List only basic information. |
f3ed775e | 463 | * |
9f19cc17 | 464 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 465 | */ |
9f19cc17 | 466 | static int list_sessions(const char *session_name) |
f3ed775e | 467 | { |
9f19cc17 DG |
468 | int ret, count, i; |
469 | unsigned int session_found = 0; | |
470 | struct lttng_session *sessions; | |
471 | ||
472 | count = lttng_list_sessions(&sessions); | |
473 | DBG("Session count %d", count); | |
474 | if (count < 0) { | |
475 | ret = count; | |
476 | goto error; | |
d32fb093 DG |
477 | } else if (count == 0) { |
478 | MSG("Currently no available tracing session"); | |
479 | goto end; | |
9f19cc17 DG |
480 | } |
481 | ||
482 | if (session_name == NULL) { | |
483 | MSG("Available tracing sessions:"); | |
484 | } | |
485 | ||
486 | for (i = 0; i < count; i++) { | |
487 | if (session_name != NULL) { | |
488 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
489 | session_found = 1; | |
464dd62d | 490 | MSG("Tracing session %s:%s", session_name, active_string(sessions[i].enabled)); |
9f19cc17 DG |
491 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); |
492 | break; | |
493 | } | |
cd80958d | 494 | continue; |
9f19cc17 DG |
495 | } |
496 | ||
b6913340 DG |
497 | MSG(" %d) %s (%s)%s", i + 1, sessions[i].name, sessions[i].path, |
498 | active_string(sessions[i].enabled)); | |
9f19cc17 DG |
499 | |
500 | if (session_found) { | |
501 | break; | |
502 | } | |
503 | } | |
504 | ||
505 | free(sessions); | |
506 | ||
507 | if (!session_found && session_name != NULL) { | |
b6913340 DG |
508 | ERR("Session '%s' not found", session_name); |
509 | ret = CMD_ERROR; | |
510 | goto error; | |
9f19cc17 DG |
511 | } |
512 | ||
513 | if (session_name == NULL) { | |
6e0de39b | 514 | MSG("\nUse lttng list <session_name> for more details"); |
9f19cc17 | 515 | } |
f3ed775e | 516 | |
d32fb093 | 517 | end: |
f3ed775e DG |
518 | return CMD_SUCCESS; |
519 | ||
520 | error: | |
521 | return ret; | |
522 | } | |
f3ed775e DG |
523 | |
524 | /* | |
9f19cc17 | 525 | * List available domain(s) for a session. |
f3ed775e | 526 | */ |
330be774 | 527 | static int list_domains(const char *session_name) |
f3ed775e | 528 | { |
9f19cc17 DG |
529 | int i, count, ret = CMD_SUCCESS; |
530 | struct lttng_domain *domains = NULL; | |
531 | ||
532 | MSG("Domains:\n-------------"); | |
533 | ||
330be774 | 534 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 DG |
535 | if (count < 0) { |
536 | ret = count; | |
537 | goto error; | |
538 | } else if (count == 0) { | |
539 | MSG(" None"); | |
540 | goto end; | |
541 | } | |
542 | ||
543 | for (i = 0; i < count; i++) { | |
544 | switch (domains[i].type) { | |
545 | case LTTNG_DOMAIN_KERNEL: | |
546 | MSG(" - Kernel"); | |
b551a063 DG |
547 | break; |
548 | case LTTNG_DOMAIN_UST: | |
549 | MSG(" - UST global"); | |
550 | break; | |
9f19cc17 DG |
551 | default: |
552 | break; | |
553 | } | |
554 | } | |
555 | ||
556 | end: | |
557 | free(domains); | |
558 | ||
559 | error: | |
560 | return ret; | |
f3ed775e | 561 | } |
f3ed775e DG |
562 | |
563 | /* | |
9f19cc17 | 564 | * The 'list <options>' first level command |
f3ed775e DG |
565 | */ |
566 | int cmd_list(int argc, const char **argv) | |
567 | { | |
9f19cc17 | 568 | int opt, i, ret = CMD_SUCCESS; |
c3919711 | 569 | int nb_domain; |
9f19cc17 | 570 | const char *session_name; |
f3ed775e | 571 | static poptContext pc; |
9f19cc17 DG |
572 | struct lttng_domain domain; |
573 | struct lttng_domain *domains = NULL; | |
f3ed775e | 574 | |
441c16a7 MD |
575 | memset(&domain, 0, sizeof(domain)); |
576 | ||
9f19cc17 | 577 | if (argc < 1) { |
f3ed775e | 578 | usage(stderr); |
ca1c3607 | 579 | ret = CMD_ERROR; |
f3ed775e DG |
580 | goto end; |
581 | } | |
582 | ||
583 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
584 | poptReadDefaultConfig(pc, 0); | |
585 | ||
586 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
587 | switch (opt) { | |
588 | case OPT_HELP: | |
ca1c3607 | 589 | usage(stdout); |
f3ed775e | 590 | goto end; |
eeac7d46 MD |
591 | case OPT_USERSPACE: |
592 | opt_userspace = 1; | |
eeac7d46 | 593 | break; |
679b4943 SM |
594 | case OPT_LIST_OPTIONS: |
595 | list_cmd_options(stdout, long_options); | |
679b4943 | 596 | goto end; |
f3ed775e DG |
597 | default: |
598 | usage(stderr); | |
599 | ret = CMD_UNDEFINED; | |
600 | goto end; | |
601 | } | |
602 | } | |
603 | ||
9f19cc17 DG |
604 | /* Get session name (trailing argument) */ |
605 | session_name = poptGetArg(pc); | |
b551a063 | 606 | DBG2("Session name: %s", session_name); |
9f19cc17 | 607 | |
cd80958d DG |
608 | if (opt_kernel) { |
609 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
610 | } else if (opt_userspace) { |
611 | DBG2("Listing userspace global domain"); | |
612 | domain.type = LTTNG_DOMAIN_UST; | |
cd80958d DG |
613 | } |
614 | ||
aa5de748 MD |
615 | if (opt_kernel || opt_userspace) { |
616 | handle = lttng_create_handle(session_name, &domain); | |
617 | if (handle == NULL) { | |
618 | ret = CMD_FATAL; | |
619 | goto end; | |
620 | } | |
cd80958d DG |
621 | } |
622 | ||
9f19cc17 | 623 | if (session_name == NULL) { |
b551a063 DG |
624 | if (!opt_kernel && !opt_userspace) { |
625 | ret = list_sessions(NULL); | |
b6913340 | 626 | if (ret != 0) { |
b551a063 DG |
627 | goto end; |
628 | } | |
629 | } | |
9f19cc17 DG |
630 | if (opt_kernel) { |
631 | ret = list_kernel_events(); | |
632 | if (ret < 0) { | |
633 | goto end; | |
634 | } | |
b551a063 DG |
635 | } |
636 | if (opt_userspace) { | |
637 | ret = list_ust_events(); | |
9f19cc17 DG |
638 | if (ret < 0) { |
639 | goto end; | |
640 | } | |
641 | } | |
642 | } else { | |
643 | /* List session attributes */ | |
644 | ret = list_sessions(session_name); | |
b6913340 | 645 | if (ret != 0) { |
9f19cc17 DG |
646 | goto end; |
647 | } | |
648 | ||
649 | /* Domain listing */ | |
650 | if (opt_domain) { | |
330be774 | 651 | ret = list_domains(session_name); |
9f19cc17 DG |
652 | goto end; |
653 | } | |
654 | ||
655 | if (opt_kernel) { | |
9f19cc17 | 656 | /* Channel listing */ |
cd80958d | 657 | ret = list_channels(opt_channel); |
9f19cc17 DG |
658 | if (ret < 0) { |
659 | goto end; | |
660 | } | |
9f19cc17 DG |
661 | } else { |
662 | /* We want all domain(s) */ | |
330be774 | 663 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 664 | if (nb_domain < 0) { |
67635185 | 665 | ret = nb_domain; |
9f19cc17 DG |
666 | goto end; |
667 | } | |
668 | ||
b551a063 | 669 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
670 | switch (domains[i].type) { |
671 | case LTTNG_DOMAIN_KERNEL: | |
672 | MSG("=== Domain: Kernel ===\n"); | |
673 | break; | |
b551a063 DG |
674 | case LTTNG_DOMAIN_UST: |
675 | MSG("=== Domain: UST global ===\n"); | |
676 | break; | |
9f19cc17 DG |
677 | default: |
678 | MSG("=== Domain: Unimplemented ===\n"); | |
679 | break; | |
680 | } | |
681 | ||
cd80958d | 682 | /* Clean handle before creating a new one */ |
aa5de748 MD |
683 | if (handle) { |
684 | lttng_destroy_handle(handle); | |
685 | } | |
cd80958d DG |
686 | |
687 | handle = lttng_create_handle(session_name, &domains[i]); | |
688 | if (handle == NULL) { | |
ca1c3607 | 689 | ret = CMD_FATAL; |
cd80958d DG |
690 | goto end; |
691 | } | |
692 | ||
693 | ret = list_channels(opt_channel); | |
9f19cc17 DG |
694 | if (ret < 0) { |
695 | goto end; | |
696 | } | |
697 | } | |
698 | } | |
f3ed775e DG |
699 | } |
700 | ||
701 | end: | |
9f19cc17 DG |
702 | if (domains) { |
703 | free(domains); | |
704 | } | |
aa5de748 MD |
705 | if (handle) { |
706 | lttng_destroy_handle(handle); | |
707 | } | |
cd80958d | 708 | |
ca1c3607 | 709 | poptFreeContext(pc); |
f3ed775e DG |
710 | return ret; |
711 | } |