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 | { | |
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 | 147 | static |
8005f29a | 148 | const char *loglevel_string_pre(int loglevel) |
81afa345 | 149 | { |
8005f29a | 150 | if (loglevel == -1) { |
81afa345 | 151 | return ""; |
e4baff1e | 152 | } else { |
81afa345 | 153 | return " (loglevel: "; |
e4baff1e | 154 | } |
81afa345 MD |
155 | } |
156 | ||
157 | static | |
8005f29a | 158 | const char *loglevel_string_post(int loglevel) |
81afa345 | 159 | { |
8005f29a | 160 | if (loglevel == -1) { |
81afa345 | 161 | return ""; |
e4baff1e | 162 | } else { |
81afa345 | 163 | return ")"; |
e4baff1e | 164 | } |
81afa345 MD |
165 | } |
166 | ||
8005f29a MD |
167 | static const char *loglevel_string(int value) |
168 | { | |
169 | switch (value) { | |
255a5dab MD |
170 | case -1: |
171 | return ""; | |
172 | case LTTNG_LOGLEVEL_EMERG: | |
173 | return "TRACE_EMERG"; | |
174 | case LTTNG_LOGLEVEL_ALERT: | |
175 | return "TRACE_ALERT"; | |
176 | case LTTNG_LOGLEVEL_CRIT: | |
177 | return "TRACE_CRIT"; | |
178 | case LTTNG_LOGLEVEL_ERR: | |
179 | return "TRACE_ERR"; | |
180 | case LTTNG_LOGLEVEL_WARNING: | |
181 | return "TRACE_WARNING"; | |
182 | case LTTNG_LOGLEVEL_NOTICE: | |
183 | return "TRACE_NOTICE"; | |
184 | case LTTNG_LOGLEVEL_INFO: | |
185 | return "TRACE_INFO"; | |
186 | case LTTNG_LOGLEVEL_DEBUG_SYSTEM: | |
187 | return "TRACE_DEBUG_SYSTEM"; | |
188 | case LTTNG_LOGLEVEL_DEBUG_PROGRAM: | |
189 | return "TRACE_DEBUG_PROGRAM"; | |
190 | case LTTNG_LOGLEVEL_DEBUG_PROCESS: | |
191 | return "TRACE_DEBUG_PROCESS"; | |
192 | case LTTNG_LOGLEVEL_DEBUG_MODULE: | |
193 | return "TRACE_DEBUG_MODULE"; | |
194 | case LTTNG_LOGLEVEL_DEBUG_UNIT: | |
195 | return "TRACE_DEBUG_UNIT"; | |
196 | case LTTNG_LOGLEVEL_DEBUG_FUNCTION: | |
197 | return "TRACE_DEBUG_FUNCTION"; | |
198 | case LTTNG_LOGLEVEL_DEBUG_LINE: | |
199 | return "TRACE_DEBUG_LINE"; | |
200 | case LTTNG_LOGLEVEL_DEBUG: | |
201 | return "TRACE_DEBUG"; | |
202 | default: | |
203 | return "<<UNKNOWN>>"; | |
8005f29a MD |
204 | } |
205 | } | |
206 | ||
b551a063 DG |
207 | /* |
208 | * Pretty print single event. | |
209 | */ | |
210 | static void print_events(struct lttng_event *event) | |
211 | { | |
212 | switch (event->type) { | |
213 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 214 | { |
401d092f | 215 | MSG("%s%s%s%s%s (type: tracepoint)%s", indent6, |
81afa345 MD |
216 | event->name, |
217 | loglevel_string_pre(event->loglevel), | |
8005f29a | 218 | loglevel_string(event->loglevel), |
81afa345 MD |
219 | loglevel_string_post(event->loglevel), |
220 | enabled_string(event->enabled)); | |
b551a063 | 221 | break; |
e4baff1e | 222 | } |
b551a063 | 223 | case LTTNG_EVENT_PROBE: |
464dd62d MD |
224 | MSG("%s%s (type: probe)%s", indent6, |
225 | event->name, enabled_string(event->enabled)); | |
b551a063 DG |
226 | if (event->attr.probe.addr != 0) { |
227 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
228 | } else { | |
229 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
230 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
231 | } | |
232 | break; | |
233 | case LTTNG_EVENT_FUNCTION: | |
234 | case LTTNG_EVENT_FUNCTION_ENTRY: | |
464dd62d MD |
235 | MSG("%s%s (type: function)%s", indent6, |
236 | event->name, enabled_string(event->enabled)); | |
b551a063 DG |
237 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
238 | break; | |
239 | case LTTNG_EVENT_SYSCALL: | |
2c425ff7 | 240 | MSG("%ssyscalls (type: syscall)%s", indent6, |
464dd62d | 241 | enabled_string(event->enabled)); |
b551a063 DG |
242 | break; |
243 | case LTTNG_EVENT_NOOP: | |
464dd62d MD |
244 | MSG("%s (type: noop)%s", indent6, |
245 | enabled_string(event->enabled)); | |
b551a063 DG |
246 | break; |
247 | case LTTNG_EVENT_ALL: | |
248 | /* We should never have "all" events in list. */ | |
249 | assert(0); | |
250 | break; | |
251 | } | |
252 | } | |
253 | ||
254 | /* | |
255 | * Ask session daemon for all user space tracepoints available. | |
256 | */ | |
257 | static int list_ust_events(void) | |
258 | { | |
259 | int i, size; | |
260 | struct lttng_domain domain; | |
261 | struct lttng_handle *handle; | |
262 | struct lttng_event *event_list; | |
263 | pid_t cur_pid = 0; | |
264 | ||
441c16a7 MD |
265 | memset(&domain, 0, sizeof(domain)); |
266 | ||
b551a063 DG |
267 | DBG("Getting UST tracing events"); |
268 | ||
269 | domain.type = LTTNG_DOMAIN_UST; | |
270 | ||
271 | handle = lttng_create_handle(NULL, &domain); | |
272 | if (handle == NULL) { | |
273 | goto error; | |
274 | } | |
275 | ||
276 | size = lttng_list_tracepoints(handle, &event_list); | |
277 | if (size < 0) { | |
278 | ERR("Unable to list UST events"); | |
ef021732 | 279 | lttng_destroy_handle(handle); |
b551a063 DG |
280 | return size; |
281 | } | |
282 | ||
283 | MSG("UST events:\n-------------"); | |
284 | ||
285 | if (size == 0) { | |
286 | MSG("None"); | |
287 | } | |
288 | ||
289 | for (i = 0; i < size; i++) { | |
290 | if (cur_pid != event_list[i].pid) { | |
291 | cur_pid = event_list[i].pid; | |
292 | MSG("\nPID: %d - Name: %s", cur_pid, get_cmdline_by_pid(cur_pid)); | |
293 | } | |
294 | print_events(&event_list[i]); | |
295 | } | |
296 | ||
297 | MSG(""); | |
298 | ||
299 | free(event_list); | |
ef021732 | 300 | lttng_destroy_handle(handle); |
b551a063 DG |
301 | |
302 | return CMD_SUCCESS; | |
303 | ||
304 | error: | |
ef021732 | 305 | lttng_destroy_handle(handle); |
b551a063 DG |
306 | return -1; |
307 | } | |
f3ed775e DG |
308 | |
309 | /* | |
9f19cc17 | 310 | * Ask for all trace events in the kernel and pretty print them. |
f3ed775e | 311 | */ |
9f19cc17 | 312 | static int list_kernel_events(void) |
f3ed775e | 313 | { |
9f19cc17 | 314 | int i, size; |
b551a063 DG |
315 | struct lttng_domain domain; |
316 | struct lttng_handle *handle; | |
9f19cc17 | 317 | struct lttng_event *event_list; |
f3ed775e | 318 | |
441c16a7 MD |
319 | memset(&domain, 0, sizeof(domain)); |
320 | ||
b551a063 DG |
321 | DBG("Getting kernel tracing events"); |
322 | ||
323 | domain.type = LTTNG_DOMAIN_KERNEL; | |
324 | ||
325 | handle = lttng_create_handle(NULL, &domain); | |
326 | if (handle == NULL) { | |
327 | goto error; | |
328 | } | |
f3ed775e | 329 | |
cd80958d | 330 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 DG |
331 | if (size < 0) { |
332 | ERR("Unable to list kernel events"); | |
ef021732 | 333 | lttng_destroy_handle(handle); |
9f19cc17 | 334 | return size; |
f3ed775e DG |
335 | } |
336 | ||
9f19cc17 | 337 | MSG("Kernel events:\n-------------"); |
f3ed775e | 338 | |
9f19cc17 | 339 | for (i = 0; i < size; i++) { |
b551a063 | 340 | print_events(&event_list[i]); |
f3ed775e DG |
341 | } |
342 | ||
b551a063 DG |
343 | MSG(""); |
344 | ||
f3ed775e DG |
345 | free(event_list); |
346 | ||
ef021732 | 347 | lttng_destroy_handle(handle); |
f3ed775e | 348 | return CMD_SUCCESS; |
b551a063 DG |
349 | |
350 | error: | |
ef021732 | 351 | lttng_destroy_handle(handle); |
b551a063 | 352 | return -1; |
f3ed775e DG |
353 | } |
354 | ||
355 | /* | |
9f19cc17 | 356 | * List events of channel of session and domain. |
f3ed775e | 357 | */ |
cd80958d | 358 | static int list_events(const char *channel_name) |
f3ed775e DG |
359 | { |
360 | int ret, count, i; | |
9f19cc17 | 361 | struct lttng_event *events = NULL; |
f3ed775e | 362 | |
cd80958d | 363 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e DG |
364 | if (count < 0) { |
365 | ret = count; | |
366 | goto error; | |
367 | } | |
368 | ||
9f19cc17 DG |
369 | MSG("\n%sEvents:", indent4); |
370 | if (count == 0) { | |
5edd7e09 | 371 | MSG("%sNone\n", indent6); |
9f19cc17 DG |
372 | goto end; |
373 | } | |
374 | ||
f3ed775e | 375 | for (i = 0; i < count; i++) { |
b551a063 | 376 | print_events(&events[i]); |
f3ed775e DG |
377 | } |
378 | ||
9f19cc17 | 379 | MSG(""); |
f3ed775e | 380 | |
9f19cc17 DG |
381 | end: |
382 | if (events) { | |
383 | free(events); | |
384 | } | |
385 | ret = CMD_SUCCESS; | |
f3ed775e DG |
386 | |
387 | error: | |
388 | return ret; | |
389 | } | |
390 | ||
391 | /* | |
9f19cc17 DG |
392 | * Pretty print channel |
393 | */ | |
394 | static void print_channel(struct lttng_channel *channel) | |
395 | { | |
464dd62d | 396 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
397 | |
398 | MSG("%sAttributes:", indent4); | |
399 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); | |
400 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
401 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); | |
402 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); | |
403 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
404 | switch (channel->attr.output) { | |
405 | case LTTNG_EVENT_SPLICE: | |
406 | MSG("%soutput: splice()", indent6); | |
407 | break; | |
408 | case LTTNG_EVENT_MMAP: | |
409 | MSG("%soutput: mmap()", indent6); | |
410 | break; | |
411 | } | |
412 | } | |
413 | ||
414 | /* | |
415 | * List channel(s) of session and domain. | |
f3ed775e | 416 | * |
9f19cc17 | 417 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 418 | */ |
cd80958d | 419 | static int list_channels(const char *channel_name) |
f3ed775e | 420 | { |
9f19cc17 DG |
421 | int count, i, ret = CMD_SUCCESS; |
422 | unsigned int chan_found = 0; | |
423 | struct lttng_channel *channels = NULL; | |
f3ed775e | 424 | |
3e25cb20 | 425 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 426 | |
cd80958d | 427 | count = lttng_list_channels(handle, &channels); |
f3ed775e DG |
428 | if (count < 0) { |
429 | ret = count; | |
ae856491 | 430 | goto error_channels; |
9f19cc17 | 431 | } else if (count == 0) { |
ae856491 DG |
432 | ERR("Channel %s not found", channel_name); |
433 | goto error; | |
f3ed775e DG |
434 | } |
435 | ||
9f19cc17 DG |
436 | if (channel_name == NULL) { |
437 | MSG("Channels:\n-------------"); | |
438 | } | |
439 | ||
440 | for (i = 0; i < count; i++) { | |
441 | if (channel_name != NULL) { | |
442 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
443 | chan_found = 1; | |
444 | } else { | |
445 | continue; | |
446 | } | |
447 | } | |
448 | print_channel(&channels[i]); | |
449 | ||
450 | /* Listing events per channel */ | |
cd80958d | 451 | ret = list_events(channels[i].name); |
9f19cc17 | 452 | if (ret < 0) { |
9a745bc7 | 453 | MSG("%s", lttng_strerror(ret)); |
9f19cc17 DG |
454 | } |
455 | ||
456 | if (chan_found) { | |
457 | break; | |
f3ed775e | 458 | } |
f3ed775e DG |
459 | } |
460 | ||
9f19cc17 | 461 | if (!chan_found && channel_name != NULL) { |
ae856491 DG |
462 | ERR("Channel %s not found", channel_name); |
463 | goto error; | |
9f19cc17 | 464 | } |
f3ed775e | 465 | |
9f19cc17 | 466 | ret = CMD_SUCCESS; |
f3ed775e DG |
467 | |
468 | error: | |
ae856491 DG |
469 | free(channels); |
470 | ||
471 | error_channels: | |
f3ed775e DG |
472 | return ret; |
473 | } | |
474 | ||
475 | /* | |
9f19cc17 | 476 | * List available tracing session. List only basic information. |
f3ed775e | 477 | * |
9f19cc17 | 478 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 479 | */ |
9f19cc17 | 480 | static int list_sessions(const char *session_name) |
f3ed775e | 481 | { |
9f19cc17 DG |
482 | int ret, count, i; |
483 | unsigned int session_found = 0; | |
484 | struct lttng_session *sessions; | |
485 | ||
486 | count = lttng_list_sessions(&sessions); | |
487 | DBG("Session count %d", count); | |
488 | if (count < 0) { | |
489 | ret = count; | |
490 | goto error; | |
491 | } | |
492 | ||
493 | if (session_name == NULL) { | |
494 | MSG("Available tracing sessions:"); | |
495 | } | |
496 | ||
497 | for (i = 0; i < count; i++) { | |
498 | if (session_name != NULL) { | |
499 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
500 | session_found = 1; | |
464dd62d | 501 | MSG("Tracing session %s:%s", session_name, active_string(sessions[i].enabled)); |
9f19cc17 DG |
502 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); |
503 | break; | |
504 | } | |
cd80958d | 505 | continue; |
9f19cc17 DG |
506 | } |
507 | ||
b6913340 DG |
508 | MSG(" %d) %s (%s)%s", i + 1, sessions[i].name, sessions[i].path, |
509 | active_string(sessions[i].enabled)); | |
9f19cc17 DG |
510 | |
511 | if (session_found) { | |
512 | break; | |
513 | } | |
514 | } | |
515 | ||
516 | free(sessions); | |
517 | ||
518 | if (!session_found && session_name != NULL) { | |
b6913340 DG |
519 | ERR("Session '%s' not found", session_name); |
520 | ret = CMD_ERROR; | |
521 | goto error; | |
9f19cc17 DG |
522 | } |
523 | ||
524 | if (session_name == NULL) { | |
6e0de39b | 525 | MSG("\nUse lttng list <session_name> for more details"); |
9f19cc17 | 526 | } |
f3ed775e DG |
527 | |
528 | return CMD_SUCCESS; | |
529 | ||
530 | error: | |
531 | return ret; | |
532 | } | |
f3ed775e DG |
533 | |
534 | /* | |
9f19cc17 | 535 | * List available domain(s) for a session. |
f3ed775e | 536 | */ |
330be774 | 537 | static int list_domains(const char *session_name) |
f3ed775e | 538 | { |
9f19cc17 DG |
539 | int i, count, ret = CMD_SUCCESS; |
540 | struct lttng_domain *domains = NULL; | |
541 | ||
542 | MSG("Domains:\n-------------"); | |
543 | ||
330be774 | 544 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 DG |
545 | if (count < 0) { |
546 | ret = count; | |
547 | goto error; | |
548 | } else if (count == 0) { | |
549 | MSG(" None"); | |
550 | goto end; | |
551 | } | |
552 | ||
553 | for (i = 0; i < count; i++) { | |
554 | switch (domains[i].type) { | |
555 | case LTTNG_DOMAIN_KERNEL: | |
556 | MSG(" - Kernel"); | |
b551a063 DG |
557 | break; |
558 | case LTTNG_DOMAIN_UST: | |
559 | MSG(" - UST global"); | |
560 | break; | |
9f19cc17 DG |
561 | default: |
562 | break; | |
563 | } | |
564 | } | |
565 | ||
566 | end: | |
567 | free(domains); | |
568 | ||
569 | error: | |
570 | return ret; | |
f3ed775e | 571 | } |
f3ed775e DG |
572 | |
573 | /* | |
9f19cc17 | 574 | * The 'list <options>' first level command |
f3ed775e DG |
575 | */ |
576 | int cmd_list(int argc, const char **argv) | |
577 | { | |
9f19cc17 | 578 | int opt, i, ret = CMD_SUCCESS; |
c3919711 | 579 | int nb_domain; |
9f19cc17 | 580 | const char *session_name; |
f3ed775e | 581 | static poptContext pc; |
9f19cc17 DG |
582 | struct lttng_domain domain; |
583 | struct lttng_domain *domains = NULL; | |
f3ed775e | 584 | |
441c16a7 MD |
585 | memset(&domain, 0, sizeof(domain)); |
586 | ||
9f19cc17 | 587 | if (argc < 1) { |
f3ed775e | 588 | usage(stderr); |
ca1c3607 | 589 | ret = CMD_ERROR; |
f3ed775e DG |
590 | goto end; |
591 | } | |
592 | ||
593 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
594 | poptReadDefaultConfig(pc, 0); | |
595 | ||
596 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
597 | switch (opt) { | |
598 | case OPT_HELP: | |
ca1c3607 | 599 | usage(stdout); |
f3ed775e | 600 | goto end; |
eeac7d46 MD |
601 | case OPT_USERSPACE: |
602 | opt_userspace = 1; | |
eeac7d46 | 603 | break; |
679b4943 SM |
604 | case OPT_LIST_OPTIONS: |
605 | list_cmd_options(stdout, long_options); | |
679b4943 | 606 | goto end; |
f3ed775e DG |
607 | default: |
608 | usage(stderr); | |
609 | ret = CMD_UNDEFINED; | |
610 | goto end; | |
611 | } | |
612 | } | |
613 | ||
9f19cc17 DG |
614 | /* Get session name (trailing argument) */ |
615 | session_name = poptGetArg(pc); | |
b551a063 | 616 | DBG2("Session name: %s", session_name); |
9f19cc17 | 617 | |
cd80958d DG |
618 | if (opt_kernel) { |
619 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
620 | } else if (opt_userspace) { |
621 | DBG2("Listing userspace global domain"); | |
622 | domain.type = LTTNG_DOMAIN_UST; | |
cd80958d DG |
623 | } |
624 | ||
aa5de748 MD |
625 | if (opt_kernel || opt_userspace) { |
626 | handle = lttng_create_handle(session_name, &domain); | |
627 | if (handle == NULL) { | |
628 | ret = CMD_FATAL; | |
629 | goto end; | |
630 | } | |
cd80958d DG |
631 | } |
632 | ||
9f19cc17 | 633 | if (session_name == NULL) { |
b551a063 DG |
634 | if (!opt_kernel && !opt_userspace) { |
635 | ret = list_sessions(NULL); | |
b6913340 | 636 | if (ret != 0) { |
b551a063 DG |
637 | goto end; |
638 | } | |
639 | } | |
9f19cc17 DG |
640 | if (opt_kernel) { |
641 | ret = list_kernel_events(); | |
642 | if (ret < 0) { | |
643 | goto end; | |
644 | } | |
b551a063 DG |
645 | } |
646 | if (opt_userspace) { | |
647 | ret = list_ust_events(); | |
9f19cc17 DG |
648 | if (ret < 0) { |
649 | goto end; | |
650 | } | |
651 | } | |
652 | } else { | |
653 | /* List session attributes */ | |
654 | ret = list_sessions(session_name); | |
b6913340 | 655 | if (ret != 0) { |
9f19cc17 DG |
656 | goto end; |
657 | } | |
658 | ||
659 | /* Domain listing */ | |
660 | if (opt_domain) { | |
330be774 | 661 | ret = list_domains(session_name); |
9f19cc17 DG |
662 | goto end; |
663 | } | |
664 | ||
665 | if (opt_kernel) { | |
9f19cc17 | 666 | /* Channel listing */ |
cd80958d | 667 | ret = list_channels(opt_channel); |
9f19cc17 DG |
668 | if (ret < 0) { |
669 | goto end; | |
670 | } | |
9f19cc17 DG |
671 | } else { |
672 | /* We want all domain(s) */ | |
330be774 | 673 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 674 | if (nb_domain < 0) { |
67635185 | 675 | ret = nb_domain; |
9f19cc17 DG |
676 | goto end; |
677 | } | |
678 | ||
b551a063 | 679 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
680 | switch (domains[i].type) { |
681 | case LTTNG_DOMAIN_KERNEL: | |
682 | MSG("=== Domain: Kernel ===\n"); | |
683 | break; | |
b551a063 DG |
684 | case LTTNG_DOMAIN_UST: |
685 | MSG("=== Domain: UST global ===\n"); | |
686 | break; | |
9f19cc17 DG |
687 | default: |
688 | MSG("=== Domain: Unimplemented ===\n"); | |
689 | break; | |
690 | } | |
691 | ||
cd80958d | 692 | /* Clean handle before creating a new one */ |
aa5de748 MD |
693 | if (handle) { |
694 | lttng_destroy_handle(handle); | |
695 | } | |
cd80958d DG |
696 | |
697 | handle = lttng_create_handle(session_name, &domains[i]); | |
698 | if (handle == NULL) { | |
ca1c3607 | 699 | ret = CMD_FATAL; |
cd80958d DG |
700 | goto end; |
701 | } | |
702 | ||
703 | ret = list_channels(opt_channel); | |
9f19cc17 DG |
704 | if (ret < 0) { |
705 | goto end; | |
706 | } | |
707 | } | |
708 | } | |
f3ed775e DG |
709 | } |
710 | ||
711 | end: | |
9f19cc17 DG |
712 | if (domains) { |
713 | free(domains); | |
714 | } | |
aa5de748 MD |
715 | if (handle) { |
716 | lttng_destroy_handle(handle); | |
717 | } | |
cd80958d | 718 | |
ca1c3607 | 719 | poptFreeContext(pc); |
f3ed775e DG |
720 | return ret; |
721 | } |