Commit | Line | Data |
---|---|---|
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 | |
fb14d0d8 | 26 | #include <common/mi-lttng.h> |
5b4c34a7 | 27 | #include <lttng/constant.h> |
fb14d0d8 | 28 | |
c399183f | 29 | #include "../command.h" |
f3ed775e | 30 | |
9f19cc17 DG |
31 | static int opt_userspace; |
32 | static int opt_kernel; | |
3c6a091f | 33 | static int opt_jul; |
5cdb6027 | 34 | static int opt_log4j; |
9f19cc17 DG |
35 | static char *opt_channel; |
36 | static int opt_domain; | |
f37d259d | 37 | static int opt_fields; |
834978fd | 38 | static int opt_syscall; |
d78d6610 DG |
39 | #if 0 |
40 | /* Not implemented yet */ | |
41 | static char *opt_cmd_name; | |
42 | static pid_t opt_pid; | |
43 | #endif | |
9f19cc17 DG |
44 | |
45 | const char *indent4 = " "; | |
46 | const char *indent6 = " "; | |
47 | const char *indent8 = " "; | |
f3ed775e DG |
48 | |
49 | enum { | |
50 | OPT_HELP = 1, | |
eeac7d46 | 51 | OPT_USERSPACE, |
679b4943 | 52 | OPT_LIST_OPTIONS, |
f3ed775e DG |
53 | }; |
54 | ||
cd80958d | 55 | static struct lttng_handle *handle; |
fb14d0d8 | 56 | static struct mi_writer *writer; |
cd80958d | 57 | |
f3ed775e DG |
58 | static struct poptOption long_options[] = { |
59 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
60 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, | |
9f19cc17 | 61 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, |
3c6a091f | 62 | {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0}, |
5cdb6027 | 63 | {"log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0}, |
d78d6610 DG |
64 | #if 0 |
65 | /* Not implemented yet */ | |
66 | {"userspace", 'u', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_cmd_name, OPT_USERSPACE, 0, 0}, | |
67 | {"pid", 'p', POPT_ARG_INT, &opt_pid, 0, 0, 0}, | |
68 | #else | |
69 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, | |
70 | #endif | |
9f19cc17 DG |
71 | {"channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0}, |
72 | {"domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0}, | |
f37d259d | 73 | {"fields", 'f', POPT_ARG_VAL, &opt_fields, 1, 0, 0}, |
834978fd | 74 | {"syscall", 'S', POPT_ARG_VAL, &opt_syscall, 1, 0, 0}, |
679b4943 | 75 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
f3ed775e DG |
76 | {0, 0, 0, 0, 0, 0, 0} |
77 | }; | |
78 | ||
79 | /* | |
80 | * usage | |
81 | */ | |
82 | static void usage(FILE *ofp) | |
83 | { | |
747361fe | 84 | fprintf(ofp, "usage: lttng list [OPTIONS] [SESSION [SESSION OPTIONS]]\n"); |
9f19cc17 DG |
85 | fprintf(ofp, "\n"); |
86 | fprintf(ofp, "With no arguments, list available tracing session(s)\n"); | |
87 | fprintf(ofp, "\n"); | |
27221701 DG |
88 | fprintf(ofp, "Without a session, -k lists available kernel events\n"); |
89 | fprintf(ofp, "Without a session, -u lists available userspace events\n"); | |
9f19cc17 DG |
90 | fprintf(ofp, "\n"); |
91 | fprintf(ofp, " -h, --help Show this help\n"); | |
27221701 | 92 | fprintf(ofp, " --list-options Simple listing of options\n"); |
9f19cc17 DG |
93 | fprintf(ofp, " -k, --kernel Select kernel domain\n"); |
94 | fprintf(ofp, " -u, --userspace Select user-space domain.\n"); | |
3c6a091f | 95 | fprintf(ofp, " -j, --jul Apply for Java application using JUL\n"); |
9ad71f16 | 96 | fprintf(ofp, " -l, --log4j Apply for Java application using LOG4J\n"); |
f37d259d | 97 | fprintf(ofp, " -f, --fields List event fields.\n"); |
834978fd | 98 | fprintf(ofp, " --syscall List available system calls.\n"); |
d78d6610 | 99 | #if 0 |
9f19cc17 | 100 | fprintf(ofp, " -p, --pid PID List user-space events by PID\n"); |
d78d6610 | 101 | #endif |
f3ed775e | 102 | fprintf(ofp, "\n"); |
27221701 | 103 | fprintf(ofp, "Session Options:\n"); |
9f19cc17 DG |
104 | fprintf(ofp, " -c, --channel NAME List details of a channel\n"); |
105 | fprintf(ofp, " -d, --domain List available domain(s)\n"); | |
f3ed775e DG |
106 | fprintf(ofp, "\n"); |
107 | } | |
108 | ||
109 | /* | |
9f19cc17 | 110 | * Get command line from /proc for a specific pid. |
f3ed775e | 111 | * |
9f19cc17 DG |
112 | * On success, return an allocated string pointer to the proc cmdline. |
113 | * On error, return NULL. | |
f3ed775e DG |
114 | */ |
115 | static char *get_cmdline_by_pid(pid_t pid) | |
116 | { | |
117 | int ret; | |
1ad31aec | 118 | FILE *fp = NULL; |
f3ed775e | 119 | char *cmdline = NULL; |
5b4c34a7 JG |
120 | /* Can't go bigger than /proc/LTTNG_MAX_PID/cmdline */ |
121 | char path[sizeof("/proc//cmdline") + sizeof(LTTNG_MAX_PID_STR) - 1]; | |
f3ed775e DG |
122 | |
123 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); | |
124 | fp = fopen(path, "r"); | |
125 | if (fp == NULL) { | |
126 | goto end; | |
127 | } | |
128 | ||
129 | /* Caller must free() *cmdline */ | |
8639413f | 130 | cmdline = zmalloc(PATH_MAX); |
f6962219 JG |
131 | if (!cmdline) { |
132 | perror("malloc cmdline"); | |
133 | goto end; | |
134 | } | |
f3ed775e | 135 | ret = fread(cmdline, 1, PATH_MAX, fp); |
f40799e8 DG |
136 | if (ret < 0) { |
137 | perror("fread proc list"); | |
138 | } | |
f3ed775e DG |
139 | |
140 | end: | |
1ad31aec DG |
141 | if (fp) { |
142 | fclose(fp); | |
143 | } | |
f3ed775e DG |
144 | return cmdline; |
145 | } | |
b551a063 | 146 | |
464dd62d MD |
147 | static |
148 | const char *active_string(int value) | |
149 | { | |
150 | switch (value) { | |
2cbf8fed DG |
151 | case 0: return "inactive"; |
152 | case 1: return "active"; | |
464dd62d MD |
153 | case -1: return ""; |
154 | default: return NULL; | |
155 | } | |
156 | } | |
157 | ||
2cbf8fed DG |
158 | static const char *snapshot_string(int value) |
159 | { | |
160 | switch (value) { | |
161 | case 1: | |
162 | return " snapshot"; | |
163 | default: | |
164 | return ""; | |
165 | } | |
166 | } | |
167 | ||
464dd62d MD |
168 | static |
169 | const char *enabled_string(int value) | |
170 | { | |
171 | switch (value) { | |
b09f0429 MD |
172 | case 0: return " [disabled]"; |
173 | case 1: return " [enabled]"; | |
464dd62d MD |
174 | case -1: return ""; |
175 | default: return NULL; | |
176 | } | |
177 | } | |
178 | ||
fceb65df MD |
179 | static |
180 | const char *filter_string(int value) | |
181 | { | |
182 | switch (value) { | |
183 | case 1: return " [with filter]"; | |
184 | default: return ""; | |
185 | } | |
186 | } | |
187 | ||
4634f12e JI |
188 | static |
189 | const char *exclusion_string(int value) | |
190 | { | |
191 | switch (value) { | |
192 | case 1: return " [has exclusions]"; | |
193 | default: return ""; | |
194 | } | |
195 | } | |
196 | ||
1f0e17de DG |
197 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
198 | { | |
199 | switch (value) { | |
af6bce80 DG |
200 | case LTTNG_EVENT_LOGLEVEL_ALL: |
201 | return ":"; | |
1f0e17de | 202 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
af6bce80 | 203 | return " <="; |
1f0e17de | 204 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
af6bce80 | 205 | return " =="; |
1f0e17de | 206 | default: |
af6bce80 | 207 | return " <<TYPE UNKN>>"; |
1f0e17de DG |
208 | } |
209 | } | |
210 | ||
834978fd DG |
211 | static const char *bitness_event(enum lttng_event_flag flags) |
212 | { | |
213 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_32) { | |
214 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
215 | return " [32/64-bit]"; | |
216 | } else { | |
217 | return " [32-bit]"; | |
218 | } | |
219 | } else if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
220 | return " [64-bit]"; | |
221 | } else { | |
222 | return ""; | |
223 | } | |
224 | } | |
225 | ||
b551a063 DG |
226 | /* |
227 | * Pretty print single event. | |
228 | */ | |
229 | static void print_events(struct lttng_event *event) | |
230 | { | |
231 | switch (event->type) { | |
232 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 233 | { |
8b703175 | 234 | if (event->loglevel != -1) { |
af6bce80 | 235 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
8b703175 | 236 | indent6, |
81afa345 | 237 | event->name, |
1f0e17de | 238 | logleveltype_string(event->loglevel_type), |
970d848b | 239 | mi_lttng_loglevel_string(event->loglevel, handle->domain.type), |
8b703175 | 240 | event->loglevel, |
fceb65df | 241 | enabled_string(event->enabled), |
4634f12e | 242 | exclusion_string(event->exclusion), |
fceb65df | 243 | filter_string(event->filter)); |
8b703175 | 244 | } else { |
4634f12e | 245 | MSG("%s%s (type: tracepoint)%s%s%s", |
8b703175 MD |
246 | indent6, |
247 | event->name, | |
fceb65df | 248 | enabled_string(event->enabled), |
4634f12e | 249 | exclusion_string(event->exclusion), |
fceb65df | 250 | filter_string(event->filter)); |
8b703175 | 251 | } |
b551a063 | 252 | break; |
e4baff1e | 253 | } |
1896972b DG |
254 | case LTTNG_EVENT_FUNCTION: |
255 | MSG("%s%s (type: function)%s%s", indent6, | |
256 | event->name, enabled_string(event->enabled), | |
257 | filter_string(event->filter)); | |
258 | if (event->attr.probe.addr != 0) { | |
259 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
260 | } else { | |
261 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
262 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
263 | } | |
264 | break; | |
b551a063 | 265 | case LTTNG_EVENT_PROBE: |
fceb65df MD |
266 | MSG("%s%s (type: probe)%s%s", indent6, |
267 | event->name, enabled_string(event->enabled), | |
268 | filter_string(event->filter)); | |
b551a063 DG |
269 | if (event->attr.probe.addr != 0) { |
270 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
271 | } else { | |
272 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
273 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
274 | } | |
275 | break; | |
b551a063 | 276 | case LTTNG_EVENT_FUNCTION_ENTRY: |
fceb65df MD |
277 | MSG("%s%s (type: function)%s%s", indent6, |
278 | event->name, enabled_string(event->enabled), | |
279 | filter_string(event->filter)); | |
b551a063 DG |
280 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
281 | break; | |
282 | case LTTNG_EVENT_SYSCALL: | |
834978fd DG |
283 | MSG("%s%s%s%s%s", indent6, event->name, |
284 | (opt_syscall ? "" : " (type:syscall)"), | |
fceb65df | 285 | enabled_string(event->enabled), |
834978fd | 286 | bitness_event(event->flags)); |
b551a063 DG |
287 | break; |
288 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
289 | MSG("%s (type: noop)%s%s", indent6, |
290 | enabled_string(event->enabled), | |
291 | filter_string(event->filter)); | |
b551a063 DG |
292 | break; |
293 | case LTTNG_EVENT_ALL: | |
294 | /* We should never have "all" events in list. */ | |
295 | assert(0); | |
296 | break; | |
297 | } | |
298 | } | |
299 | ||
f37d259d MD |
300 | static const char *field_type(struct lttng_event_field *field) |
301 | { | |
302 | switch(field->type) { | |
303 | case LTTNG_EVENT_FIELD_INTEGER: | |
304 | return "integer"; | |
305 | case LTTNG_EVENT_FIELD_ENUM: | |
306 | return "enum"; | |
307 | case LTTNG_EVENT_FIELD_FLOAT: | |
308 | return "float"; | |
309 | case LTTNG_EVENT_FIELD_STRING: | |
310 | return "string"; | |
311 | case LTTNG_EVENT_FIELD_OTHER: | |
312 | default: /* fall-through */ | |
313 | return "unknown"; | |
314 | } | |
315 | } | |
316 | ||
317 | /* | |
318 | * Pretty print single event fields. | |
319 | */ | |
320 | static void print_event_field(struct lttng_event_field *field) | |
321 | { | |
322 | if (!field->field_name[0]) { | |
323 | return; | |
324 | } | |
d8fbe2a9 | 325 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 326 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
327 | } |
328 | ||
fb14d0d8 JR |
329 | /* |
330 | * Machine interface | |
331 | * Jul and ust event listing | |
332 | */ | |
5cdb6027 | 333 | static int mi_list_agent_ust_events(struct lttng_event *events, int count, |
fb14d0d8 JR |
334 | struct lttng_domain *domain) |
335 | { | |
336 | int ret, i; | |
337 | pid_t cur_pid = 0; | |
338 | char *cmdline = NULL; | |
339 | int pid_element_open = 0; | |
340 | ||
341 | /* Open domains element */ | |
342 | ret = mi_lttng_domains_open(writer); | |
343 | if (ret) { | |
344 | goto end; | |
345 | } | |
346 | ||
347 | /* Write domain */ | |
348 | ret = mi_lttng_domain(writer, domain, 1); | |
349 | if (ret) { | |
350 | goto end; | |
351 | } | |
352 | ||
353 | /* Open pids element */ | |
354 | ret = mi_lttng_pids_open(writer); | |
355 | if (ret) { | |
356 | goto end; | |
357 | } | |
358 | ||
359 | for (i = 0; i < count; i++) { | |
360 | if (cur_pid != events[i].pid) { | |
361 | if (pid_element_open) { | |
362 | /* Close the previous events and pid element */ | |
363 | ret = mi_lttng_close_multi_element(writer, 2); | |
364 | if (ret) { | |
365 | goto end; | |
366 | } | |
367 | pid_element_open = 0; | |
368 | } | |
369 | ||
370 | cur_pid = events[i].pid; | |
371 | cmdline = get_cmdline_by_pid(cur_pid); | |
372 | if (!cmdline) { | |
373 | ret = CMD_ERROR; | |
374 | goto end; | |
375 | } | |
376 | ||
377 | if (!pid_element_open) { | |
378 | /* Open and write a pid element */ | |
379 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); | |
380 | if (ret) { | |
381 | goto error; | |
382 | } | |
383 | ||
384 | /* Open events element */ | |
385 | ret = mi_lttng_events_open(writer); | |
386 | if (ret) { | |
387 | goto error; | |
388 | } | |
389 | ||
390 | pid_element_open = 1; | |
391 | } | |
392 | free(cmdline); | |
393 | } | |
394 | ||
395 | /* Write an event */ | |
970d848b | 396 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
397 | if (ret) { |
398 | goto end; | |
399 | } | |
400 | } | |
401 | ||
402 | /* Close pids */ | |
403 | ret = mi_lttng_writer_close_element(writer); | |
404 | if (ret) { | |
405 | goto end; | |
406 | } | |
407 | ||
408 | /* Close domain, domains */ | |
409 | ret = mi_lttng_close_multi_element(writer, 2); | |
410 | end: | |
411 | return ret; | |
412 | error: | |
413 | free(cmdline); | |
414 | return ret; | |
415 | } | |
416 | ||
5cdb6027 | 417 | static int list_agent_events(void) |
3c6a091f | 418 | { |
fb14d0d8 | 419 | int i, size, ret = CMD_SUCCESS; |
3c6a091f | 420 | struct lttng_domain domain; |
8db2a139 | 421 | struct lttng_handle *handle = NULL; |
aa2a311d | 422 | struct lttng_event *event_list = NULL; |
3c6a091f DG |
423 | pid_t cur_pid = 0; |
424 | char *cmdline = NULL; | |
5cdb6027 | 425 | const char *agent_domain_str; |
3c6a091f DG |
426 | |
427 | memset(&domain, 0, sizeof(domain)); | |
5cdb6027 DG |
428 | if (opt_jul) { |
429 | domain.type = LTTNG_DOMAIN_JUL; | |
430 | } else if (opt_log4j) { | |
431 | domain.type = LTTNG_DOMAIN_LOG4J; | |
8db2a139 JG |
432 | } else { |
433 | ERR("Invalid agent domain selected."); | |
434 | ret = CMD_ERROR; | |
435 | goto error; | |
5cdb6027 DG |
436 | } |
437 | ||
438 | agent_domain_str = get_domain_str(domain.type); | |
439 | ||
440 | DBG("Getting %s tracing events", agent_domain_str); | |
3c6a091f DG |
441 | |
442 | handle = lttng_create_handle(NULL, &domain); | |
443 | if (handle == NULL) { | |
fb14d0d8 JR |
444 | ret = CMD_ERROR; |
445 | goto end; | |
3c6a091f DG |
446 | } |
447 | ||
448 | size = lttng_list_tracepoints(handle, &event_list); | |
449 | if (size < 0) { | |
5cdb6027 DG |
450 | ERR("Unable to list %s events: %s", agent_domain_str, |
451 | lttng_strerror(size)); | |
fb14d0d8 JR |
452 | ret = CMD_ERROR; |
453 | goto end; | |
3c6a091f DG |
454 | } |
455 | ||
fb14d0d8 JR |
456 | if (lttng_opt_mi) { |
457 | /* Mi print */ | |
5cdb6027 | 458 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
459 | if (ret) { |
460 | ret = CMD_ERROR; | |
461 | goto error; | |
3c6a091f | 462 | } |
fb14d0d8 JR |
463 | } else { |
464 | /* Pretty print */ | |
5cdb6027 DG |
465 | MSG("%s events (Logger name):\n-------------------------", |
466 | agent_domain_str); | |
3c6a091f | 467 | |
fb14d0d8 JR |
468 | if (size == 0) { |
469 | MSG("None"); | |
470 | } | |
3c6a091f | 471 | |
fb14d0d8 JR |
472 | for (i = 0; i < size; i++) { |
473 | if (cur_pid != event_list[i].pid) { | |
474 | cur_pid = event_list[i].pid; | |
475 | cmdline = get_cmdline_by_pid(cur_pid); | |
476 | if (cmdline == NULL) { | |
477 | ret = CMD_ERROR; | |
478 | goto error; | |
479 | } | |
480 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
481 | free(cmdline); | |
482 | } | |
483 | MSG("%s- %s", indent6, event_list[i].name); | |
484 | } | |
3c6a091f | 485 | |
fb14d0d8 JR |
486 | MSG(""); |
487 | } | |
3c6a091f DG |
488 | |
489 | error: | |
fb14d0d8 JR |
490 | free(event_list); |
491 | end: | |
3c6a091f | 492 | lttng_destroy_handle(handle); |
fb14d0d8 | 493 | return ret; |
3c6a091f DG |
494 | } |
495 | ||
b551a063 DG |
496 | /* |
497 | * Ask session daemon for all user space tracepoints available. | |
498 | */ | |
499 | static int list_ust_events(void) | |
500 | { | |
fb14d0d8 | 501 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
502 | struct lttng_domain domain; |
503 | struct lttng_handle *handle; | |
504 | struct lttng_event *event_list; | |
505 | pid_t cur_pid = 0; | |
ea5cbc00 | 506 | char *cmdline = NULL; |
b551a063 | 507 | |
441c16a7 MD |
508 | memset(&domain, 0, sizeof(domain)); |
509 | ||
b551a063 DG |
510 | DBG("Getting UST tracing events"); |
511 | ||
512 | domain.type = LTTNG_DOMAIN_UST; | |
513 | ||
514 | handle = lttng_create_handle(NULL, &domain); | |
515 | if (handle == NULL) { | |
fb14d0d8 JR |
516 | ret = CMD_ERROR; |
517 | goto end; | |
b551a063 DG |
518 | } |
519 | ||
520 | size = lttng_list_tracepoints(handle, &event_list); | |
521 | if (size < 0) { | |
60e835ca | 522 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
fb14d0d8 JR |
523 | ret = CMD_ERROR; |
524 | goto error; | |
b551a063 DG |
525 | } |
526 | ||
fb14d0d8 JR |
527 | if (lttng_opt_mi) { |
528 | /* Mi print */ | |
5cdb6027 | 529 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
530 | } else { |
531 | /* Pretty print */ | |
532 | MSG("UST events:\n-------------"); | |
533 | ||
534 | if (size == 0) { | |
535 | MSG("None"); | |
536 | } | |
537 | ||
538 | for (i = 0; i < size; i++) { | |
539 | if (cur_pid != event_list[i].pid) { | |
540 | cur_pid = event_list[i].pid; | |
541 | cmdline = get_cmdline_by_pid(cur_pid); | |
542 | if (cmdline == NULL) { | |
543 | ret = CMD_ERROR; | |
544 | goto error; | |
545 | } | |
546 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
547 | free(cmdline); | |
548 | } | |
549 | print_events(&event_list[i]); | |
550 | } | |
b551a063 | 551 | |
fb14d0d8 | 552 | MSG(""); |
b551a063 DG |
553 | } |
554 | ||
fb14d0d8 JR |
555 | error: |
556 | free(event_list); | |
557 | end: | |
558 | lttng_destroy_handle(handle); | |
559 | return ret; | |
560 | } | |
561 | ||
562 | /* | |
563 | * Machine interface | |
564 | * List all ust event with their fields | |
565 | */ | |
566 | static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count, | |
567 | struct lttng_domain *domain) | |
568 | { | |
569 | int ret, i; | |
570 | pid_t cur_pid = 0; | |
571 | char *cmdline = NULL; | |
572 | int pid_element_open = 0; | |
573 | int event_element_open = 0; | |
574 | struct lttng_event cur_event; | |
575 | ||
576 | /* Open domains element */ | |
577 | ret = mi_lttng_domains_open(writer); | |
578 | if (ret) { | |
579 | goto end; | |
580 | } | |
581 | ||
582 | /* Write domain */ | |
583 | ret = mi_lttng_domain(writer, domain, 1); | |
584 | if (ret) { | |
585 | goto end; | |
586 | } | |
587 | ||
588 | /* Open pids element */ | |
589 | ret = mi_lttng_pids_open(writer); | |
590 | if (ret) { | |
591 | goto end; | |
592 | } | |
593 | ||
594 | for (i = 0; i < count; i++) { | |
595 | if (cur_pid != fields[i].event.pid) { | |
596 | if (pid_element_open) { | |
597 | if (event_element_open) { | |
485ca16f DG |
598 | |
599 | /* Close the previous field element and event. */ | |
fb14d0d8 JR |
600 | ret = mi_lttng_close_multi_element(writer, 2); |
601 | if (ret) { | |
602 | goto end; | |
603 | } | |
604 | event_element_open = 0; | |
605 | } | |
606 | /* Close the previous events, pid element */ | |
607 | ret = mi_lttng_close_multi_element(writer, 2); | |
608 | if (ret) { | |
609 | goto end; | |
610 | } | |
611 | pid_element_open = 0; | |
612 | } | |
613 | ||
614 | cur_pid = fields[i].event.pid; | |
ea5cbc00 | 615 | cmdline = get_cmdline_by_pid(cur_pid); |
fb14d0d8 JR |
616 | if (!pid_element_open) { |
617 | /* Open and write a pid element */ | |
618 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); | |
619 | if (ret) { | |
620 | goto error; | |
621 | } | |
622 | ||
623 | /* Open events element */ | |
624 | ret = mi_lttng_events_open(writer); | |
625 | if (ret) { | |
626 | goto error; | |
627 | } | |
628 | pid_element_open = 1; | |
629 | } | |
ea5cbc00 | 630 | free(cmdline); |
fb14d0d8 JR |
631 | /* Wipe current event since we are about to print a new PID. */ |
632 | memset(&cur_event, 0, sizeof(cur_event)); | |
b551a063 | 633 | } |
b551a063 | 634 | |
fb14d0d8 JR |
635 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
636 | if (event_element_open) { | |
637 | /* Close the previous fields element and the previous event */ | |
638 | ret = mi_lttng_close_multi_element(writer, 2); | |
639 | if (ret) { | |
640 | goto end; | |
641 | } | |
642 | event_element_open = 0; | |
643 | } | |
644 | ||
645 | memcpy(&cur_event, &fields[i].event, | |
646 | sizeof(cur_event)); | |
b551a063 | 647 | |
fb14d0d8 JR |
648 | if (!event_element_open) { |
649 | /* Open and write the event */ | |
970d848b DG |
650 | ret = mi_lttng_event(writer, &cur_event, 1, |
651 | handle->domain.type); | |
fb14d0d8 JR |
652 | if (ret) { |
653 | goto end; | |
654 | } | |
655 | ||
656 | /* Open a fields element */ | |
657 | ret = mi_lttng_event_fields_open(writer); | |
658 | if (ret) { | |
659 | goto end; | |
660 | } | |
661 | event_element_open = 1; | |
662 | } | |
663 | } | |
b551a063 | 664 | |
fb14d0d8 JR |
665 | /* Print the event_field */ |
666 | ret = mi_lttng_event_field(writer, &fields[i]); | |
667 | if (ret) { | |
668 | goto end; | |
669 | } | |
670 | } | |
b551a063 | 671 | |
fb14d0d8 JR |
672 | /* Close pids, domain, domains */ |
673 | ret = mi_lttng_close_multi_element(writer, 3); | |
674 | end: | |
675 | return ret; | |
b551a063 | 676 | error: |
fb14d0d8 JR |
677 | free(cmdline); |
678 | return ret; | |
b551a063 | 679 | } |
f3ed775e | 680 | |
f37d259d MD |
681 | /* |
682 | * Ask session daemon for all user space tracepoint fields available. | |
683 | */ | |
684 | static int list_ust_event_fields(void) | |
685 | { | |
fb14d0d8 | 686 | int i, size, ret = CMD_SUCCESS; |
f37d259d MD |
687 | struct lttng_domain domain; |
688 | struct lttng_handle *handle; | |
689 | struct lttng_event_field *event_field_list; | |
690 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
691 | char *cmdline = NULL; |
692 | ||
f37d259d MD |
693 | struct lttng_event cur_event; |
694 | ||
695 | memset(&domain, 0, sizeof(domain)); | |
696 | memset(&cur_event, 0, sizeof(cur_event)); | |
697 | ||
698 | DBG("Getting UST tracing event fields"); | |
699 | ||
700 | domain.type = LTTNG_DOMAIN_UST; | |
701 | ||
702 | handle = lttng_create_handle(NULL, &domain); | |
703 | if (handle == NULL) { | |
fb14d0d8 JR |
704 | ret = CMD_ERROR; |
705 | goto end; | |
f37d259d MD |
706 | } |
707 | ||
708 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
709 | if (size < 0) { | |
60e835ca | 710 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
fb14d0d8 JR |
711 | ret = CMD_ERROR; |
712 | goto end; | |
f37d259d MD |
713 | } |
714 | ||
fb14d0d8 JR |
715 | if (lttng_opt_mi) { |
716 | /* Mi print */ | |
717 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); | |
718 | if (ret) { | |
719 | ret = CMD_ERROR; | |
720 | goto error; | |
721 | } | |
722 | } else { | |
723 | /* Pretty print */ | |
724 | MSG("UST events:\n-------------"); | |
f37d259d | 725 | |
fb14d0d8 JR |
726 | if (size == 0) { |
727 | MSG("None"); | |
f37d259d | 728 | } |
fb14d0d8 JR |
729 | |
730 | for (i = 0; i < size; i++) { | |
731 | if (cur_pid != event_field_list[i].event.pid) { | |
732 | cur_pid = event_field_list[i].event.pid; | |
733 | cmdline = get_cmdline_by_pid(cur_pid); | |
734 | if (cmdline == NULL) { | |
735 | ret = CMD_ERROR; | |
736 | goto error; | |
737 | } | |
738 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
739 | free(cmdline); | |
740 | /* Wipe current event since we are about to print a new PID. */ | |
741 | memset(&cur_event, 0, sizeof(cur_event)); | |
742 | } | |
743 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
744 | print_events(&event_field_list[i].event); | |
745 | memcpy(&cur_event, &event_field_list[i].event, | |
746 | sizeof(cur_event)); | |
747 | } | |
748 | print_event_field(&event_field_list[i]); | |
f37d259d | 749 | } |
f37d259d | 750 | |
fb14d0d8 JR |
751 | MSG(""); |
752 | } | |
f37d259d | 753 | |
fb14d0d8 | 754 | error: |
f37d259d | 755 | free(event_field_list); |
fb14d0d8 | 756 | end: |
f37d259d | 757 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
758 | return ret; |
759 | } | |
f37d259d | 760 | |
fb14d0d8 JR |
761 | /* |
762 | * Machine interface | |
763 | * Print a list of kernel events | |
764 | */ | |
765 | static int mi_list_kernel_events(struct lttng_event *events, int count, | |
766 | struct lttng_domain *domain) | |
767 | { | |
768 | int ret, i; | |
f37d259d | 769 | |
fb14d0d8 JR |
770 | /* Open domains element */ |
771 | ret = mi_lttng_domains_open(writer); | |
772 | if (ret) { | |
773 | goto end; | |
774 | } | |
775 | ||
776 | /* Write domain */ | |
777 | ret = mi_lttng_domain(writer, domain, 1); | |
778 | if (ret) { | |
779 | goto end; | |
780 | } | |
781 | ||
782 | /* Open events */ | |
783 | ret = mi_lttng_events_open(writer); | |
784 | if (ret) { | |
785 | goto end; | |
786 | } | |
787 | ||
788 | for (i = 0; i < count; i++) { | |
970d848b | 789 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
790 | if (ret) { |
791 | goto end; | |
792 | } | |
793 | } | |
794 | ||
795 | /* close events, domain and domains */ | |
796 | ret = mi_lttng_close_multi_element(writer, 3); | |
797 | if (ret) { | |
798 | goto end; | |
799 | } | |
800 | ||
801 | end: | |
802 | return ret; | |
f37d259d MD |
803 | } |
804 | ||
f3ed775e | 805 | /* |
fb14d0d8 | 806 | * Ask for all trace events in the kernel |
f3ed775e | 807 | */ |
9f19cc17 | 808 | static int list_kernel_events(void) |
f3ed775e | 809 | { |
fb14d0d8 | 810 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
811 | struct lttng_domain domain; |
812 | struct lttng_handle *handle; | |
9f19cc17 | 813 | struct lttng_event *event_list; |
f3ed775e | 814 | |
441c16a7 MD |
815 | memset(&domain, 0, sizeof(domain)); |
816 | ||
b551a063 DG |
817 | DBG("Getting kernel tracing events"); |
818 | ||
819 | domain.type = LTTNG_DOMAIN_KERNEL; | |
820 | ||
821 | handle = lttng_create_handle(NULL, &domain); | |
822 | if (handle == NULL) { | |
fb14d0d8 | 823 | ret = CMD_ERROR; |
b551a063 DG |
824 | goto error; |
825 | } | |
f3ed775e | 826 | |
cd80958d | 827 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 828 | if (size < 0) { |
60e835ca | 829 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 830 | lttng_destroy_handle(handle); |
fb14d0d8 | 831 | return CMD_ERROR; |
f3ed775e DG |
832 | } |
833 | ||
fb14d0d8 JR |
834 | if (lttng_opt_mi) { |
835 | /* Mi print */ | |
836 | ret = mi_list_kernel_events(event_list, size, &domain); | |
837 | if (ret) { | |
838 | ret = CMD_ERROR; | |
839 | goto end; | |
840 | } | |
841 | } else { | |
842 | MSG("Kernel events:\n-------------"); | |
f3ed775e | 843 | |
fb14d0d8 JR |
844 | for (i = 0; i < size; i++) { |
845 | print_events(&event_list[i]); | |
846 | } | |
f3ed775e | 847 | |
fb14d0d8 JR |
848 | MSG(""); |
849 | } | |
b551a063 | 850 | |
fb14d0d8 | 851 | end: |
f3ed775e DG |
852 | free(event_list); |
853 | ||
ef021732 | 854 | lttng_destroy_handle(handle); |
fb14d0d8 | 855 | return ret; |
b551a063 DG |
856 | |
857 | error: | |
ef021732 | 858 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
859 | return ret; |
860 | } | |
861 | ||
834978fd DG |
862 | /* |
863 | * Machine interface | |
864 | * Print a list of system calls. | |
865 | */ | |
866 | static int mi_list_syscalls(struct lttng_event *events, int count) | |
867 | { | |
868 | int ret, i; | |
869 | ||
870 | /* Open events */ | |
871 | ret = mi_lttng_events_open(writer); | |
872 | if (ret) { | |
873 | goto end; | |
874 | } | |
875 | ||
876 | for (i = 0; i < count; i++) { | |
970d848b | 877 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
834978fd DG |
878 | if (ret) { |
879 | goto end; | |
880 | } | |
881 | } | |
882 | ||
883 | /* Close events. */ | |
884 | ret = mi_lttng_writer_close_element(writer); | |
885 | if (ret) { | |
886 | goto end; | |
887 | } | |
888 | ||
889 | end: | |
890 | return ret; | |
891 | } | |
892 | ||
893 | /* | |
894 | * Ask for kernel system calls. | |
895 | */ | |
896 | static int list_syscalls(void) | |
897 | { | |
898 | int i, size, ret = CMD_SUCCESS; | |
899 | struct lttng_event *event_list; | |
900 | ||
901 | DBG("Getting kernel system call events"); | |
902 | ||
903 | size = lttng_list_syscalls(&event_list); | |
904 | if (size < 0) { | |
905 | ERR("Unable to list system calls: %s", lttng_strerror(size)); | |
906 | ret = CMD_ERROR; | |
907 | goto error; | |
908 | } | |
909 | ||
910 | if (lttng_opt_mi) { | |
911 | /* Mi print */ | |
912 | ret = mi_list_syscalls(event_list, size); | |
913 | if (ret) { | |
914 | ret = CMD_ERROR; | |
915 | goto end; | |
916 | } | |
917 | } else { | |
918 | MSG("System calls:\n-------------"); | |
919 | ||
920 | for (i = 0; i < size; i++) { | |
921 | print_events(&event_list[i]); | |
922 | } | |
923 | ||
924 | MSG(""); | |
925 | } | |
926 | ||
927 | end: | |
928 | free(event_list); | |
929 | return ret; | |
930 | ||
931 | error: | |
932 | return ret; | |
933 | } | |
934 | ||
fb14d0d8 JR |
935 | /* |
936 | * Machine Interface | |
5cdb6027 | 937 | * Print a list of agent events |
fb14d0d8 | 938 | */ |
5cdb6027 | 939 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
fb14d0d8 JR |
940 | { |
941 | int ret, i; | |
942 | ||
943 | /* Open events element */ | |
944 | ret = mi_lttng_events_open(writer); | |
945 | if (ret) { | |
946 | goto end; | |
947 | } | |
948 | ||
949 | for (i = 0; i < count; i++) { | |
970d848b | 950 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
951 | if (ret) { |
952 | goto end; | |
953 | } | |
954 | } | |
955 | ||
956 | /* Close events element */ | |
957 | ret = mi_lttng_writer_close_element(writer); | |
958 | ||
959 | end: | |
960 | return ret; | |
f3ed775e DG |
961 | } |
962 | ||
3c6a091f | 963 | /* |
5cdb6027 | 964 | * List agent events for a specific session using the handle. |
3c6a091f DG |
965 | * |
966 | * Return CMD_SUCCESS on success else a negative value. | |
967 | */ | |
5cdb6027 | 968 | static int list_session_agent_events(void) |
3c6a091f | 969 | { |
fb14d0d8 | 970 | int ret = CMD_SUCCESS, count, i; |
3c6a091f DG |
971 | struct lttng_event *events = NULL; |
972 | ||
973 | count = lttng_list_events(handle, "", &events); | |
974 | if (count < 0) { | |
fb14d0d8 JR |
975 | ret = CMD_ERROR; |
976 | ERR("%s", lttng_strerror(count)); | |
3c6a091f DG |
977 | goto error; |
978 | } | |
979 | ||
fb14d0d8 JR |
980 | if (lttng_opt_mi) { |
981 | /* Mi print */ | |
5cdb6027 | 982 | ret = mi_list_session_agent_events(events, count); |
fb14d0d8 JR |
983 | if (ret) { |
984 | ret = CMD_ERROR; | |
985 | goto end; | |
986 | } | |
987 | } else { | |
988 | /* Pretty print */ | |
989 | MSG("Events (Logger name):\n---------------------"); | |
990 | if (count == 0) { | |
991 | MSG("%sNone\n", indent6); | |
992 | goto end; | |
993 | } | |
994 | ||
995 | for (i = 0; i < count; i++) { | |
996 | MSG("%s- %s%s (loglevel%s %s)", indent4, events[i].name, | |
997 | enabled_string(events[i].enabled), | |
998 | logleveltype_string(events[i].loglevel_type), | |
970d848b DG |
999 | mi_lttng_loglevel_string(events[i].loglevel, |
1000 | handle->domain.type)); | |
fb14d0d8 JR |
1001 | } |
1002 | ||
1003 | MSG(""); | |
1004 | } | |
1005 | ||
1006 | end: | |
1007 | free(events); | |
1008 | error: | |
1009 | return ret; | |
1010 | } | |
1011 | ||
1012 | /* | |
1013 | * Machine interface | |
1014 | * print a list of event | |
1015 | */ | |
1016 | static int mi_list_events(struct lttng_event *events, int count) | |
1017 | { | |
1018 | int ret, i; | |
1019 | ||
1020 | /* Open events element */ | |
1021 | ret = mi_lttng_events_open(writer); | |
1022 | if (ret) { | |
3c6a091f DG |
1023 | goto end; |
1024 | } | |
1025 | ||
1026 | for (i = 0; i < count; i++) { | |
970d848b | 1027 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1028 | if (ret) { |
1029 | goto end; | |
1030 | } | |
3c6a091f DG |
1031 | } |
1032 | ||
fb14d0d8 JR |
1033 | /* Close events element */ |
1034 | ret = mi_lttng_writer_close_element(writer); | |
3c6a091f DG |
1035 | |
1036 | end: | |
3c6a091f DG |
1037 | return ret; |
1038 | } | |
1039 | ||
f3ed775e | 1040 | /* |
9f19cc17 | 1041 | * List events of channel of session and domain. |
f3ed775e | 1042 | */ |
cd80958d | 1043 | static int list_events(const char *channel_name) |
f3ed775e | 1044 | { |
fb14d0d8 | 1045 | int ret = CMD_SUCCESS, count, i; |
9f19cc17 | 1046 | struct lttng_event *events = NULL; |
f3ed775e | 1047 | |
cd80958d | 1048 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e | 1049 | if (count < 0) { |
fb14d0d8 JR |
1050 | ret = CMD_ERROR; |
1051 | ERR("%s", lttng_strerror(count)); | |
f3ed775e DG |
1052 | goto error; |
1053 | } | |
1054 | ||
fb14d0d8 JR |
1055 | if (lttng_opt_mi) { |
1056 | /* Mi print */ | |
1057 | ret = mi_list_events(events, count); | |
1058 | if (ret) { | |
1059 | ret = CMD_ERROR; | |
1060 | goto end; | |
1061 | } | |
1062 | } else { | |
1063 | /* Pretty print */ | |
1064 | MSG("\n%sEvents:", indent4); | |
1065 | if (count == 0) { | |
1066 | MSG("%sNone\n", indent6); | |
1067 | goto end; | |
1068 | } | |
f3ed775e | 1069 | |
fb14d0d8 JR |
1070 | for (i = 0; i < count; i++) { |
1071 | print_events(&events[i]); | |
1072 | } | |
f3ed775e | 1073 | |
fb14d0d8 JR |
1074 | MSG(""); |
1075 | } | |
9f19cc17 | 1076 | end: |
0e428499 | 1077 | free(events); |
f3ed775e DG |
1078 | error: |
1079 | return ret; | |
1080 | } | |
1081 | ||
1082 | /* | |
9f19cc17 DG |
1083 | * Pretty print channel |
1084 | */ | |
1085 | static void print_channel(struct lttng_channel *channel) | |
1086 | { | |
464dd62d | 1087 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
1088 | |
1089 | MSG("%sAttributes:", indent4); | |
a5bbe8f6 DG |
1090 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); |
1091 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
9f19cc17 | 1092 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); |
a5bbe8f6 DG |
1093 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); |
1094 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
2f785fe7 DG |
1095 | MSG("%strace file count: %" PRIu64, indent6, channel->attr.tracefile_count); |
1096 | MSG("%strace file size (bytes): %" PRIu64, indent6, channel->attr.tracefile_size); | |
9f19cc17 DG |
1097 | switch (channel->attr.output) { |
1098 | case LTTNG_EVENT_SPLICE: | |
1099 | MSG("%soutput: splice()", indent6); | |
1100 | break; | |
1101 | case LTTNG_EVENT_MMAP: | |
1102 | MSG("%soutput: mmap()", indent6); | |
1103 | break; | |
1104 | } | |
1105 | } | |
1106 | ||
fb14d0d8 JR |
1107 | /* |
1108 | * Machine interface | |
1109 | * Print a list of channel | |
1110 | * | |
1111 | */ | |
1112 | static int mi_list_channels(struct lttng_channel *channels, int count, | |
1113 | const char *channel_name) | |
1114 | { | |
1115 | int i, ret; | |
1116 | unsigned int chan_found = 0; | |
1117 | ||
1118 | /* Open channels element */ | |
1119 | ret = mi_lttng_channels_open(writer); | |
1120 | if (ret) { | |
1121 | goto error; | |
1122 | } | |
1123 | ||
1124 | for (i = 0; i < count; i++) { | |
1125 | if (channel_name != NULL) { | |
1126 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1127 | chan_found = 1; | |
1128 | } else { | |
1129 | continue; | |
1130 | } | |
1131 | } | |
1132 | ||
1133 | /* Write channel element and leave it open */ | |
1134 | ret = mi_lttng_channel(writer, &channels[i], 1); | |
1135 | if (ret) { | |
1136 | goto error; | |
1137 | } | |
1138 | ||
1139 | /* Listing events per channel */ | |
1140 | ret = list_events(channels[i].name); | |
1141 | if (ret) { | |
1142 | goto error; | |
1143 | } | |
1144 | ||
1145 | /* Closing the channel element we opened earlier */ | |
1146 | ret = mi_lttng_writer_close_element(writer); | |
1147 | if (ret) { | |
1148 | goto error; | |
1149 | } | |
1150 | ||
1151 | if (chan_found) { | |
1152 | break; | |
1153 | } | |
1154 | } | |
1155 | ||
1156 | /* Close channels element */ | |
1157 | ret = mi_lttng_writer_close_element(writer); | |
1158 | if (ret) { | |
1159 | goto error; | |
1160 | } | |
1161 | ||
1162 | error: | |
1163 | return ret; | |
1164 | } | |
1165 | ||
9f19cc17 DG |
1166 | /* |
1167 | * List channel(s) of session and domain. | |
f3ed775e | 1168 | * |
9f19cc17 | 1169 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 1170 | */ |
cd80958d | 1171 | static int list_channels(const char *channel_name) |
f3ed775e | 1172 | { |
9f19cc17 DG |
1173 | int count, i, ret = CMD_SUCCESS; |
1174 | unsigned int chan_found = 0; | |
1175 | struct lttng_channel *channels = NULL; | |
f3ed775e | 1176 | |
3e25cb20 | 1177 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 1178 | |
cd80958d | 1179 | count = lttng_list_channels(handle, &channels); |
f3ed775e | 1180 | if (count < 0) { |
c7d620a2 DG |
1181 | switch (-count) { |
1182 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
fb14d0d8 JR |
1183 | if (lttng_opt_mi) { |
1184 | /* When printing mi this is not an error | |
1185 | * but an empty channels element */ | |
1186 | count = 0; | |
1187 | } else { | |
1188 | ret = CMD_SUCCESS; | |
1189 | WARN("No kernel channel"); | |
1190 | goto error_channels; | |
1191 | } | |
c7d620a2 DG |
1192 | break; |
1193 | default: | |
1194 | /* We had a real error */ | |
fb14d0d8 JR |
1195 | ret = CMD_ERROR; |
1196 | ERR("%s", lttng_strerror(count)); | |
1197 | goto error_channels; | |
60e835ca | 1198 | break; |
c7d620a2 | 1199 | } |
f3ed775e DG |
1200 | } |
1201 | ||
fb14d0d8 JR |
1202 | if (lttng_opt_mi) { |
1203 | /* Mi print */ | |
1204 | ret = mi_list_channels(channels, count, channel_name); | |
1205 | if (ret) { | |
1206 | ret = CMD_ERROR; | |
1207 | goto error; | |
1208 | } | |
1209 | } else { | |
1210 | /* Pretty print */ | |
9247b8d0 | 1211 | if (count) { |
fb14d0d8 JR |
1212 | MSG("Channels:\n-------------"); |
1213 | } | |
9f19cc17 | 1214 | |
fb14d0d8 JR |
1215 | for (i = 0; i < count; i++) { |
1216 | if (channel_name != NULL) { | |
1217 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1218 | chan_found = 1; | |
1219 | } else { | |
1220 | continue; | |
1221 | } | |
1222 | } | |
1223 | print_channel(&channels[i]); | |
1224 | ||
1225 | /* Listing events per channel */ | |
1226 | ret = list_events(channels[i].name); | |
1227 | if (ret) { | |
1228 | goto error; | |
1229 | } | |
1230 | ||
1231 | if (chan_found) { | |
1232 | break; | |
9f19cc17 DG |
1233 | } |
1234 | } | |
9f19cc17 | 1235 | |
fb14d0d8 JR |
1236 | if (!chan_found && channel_name != NULL) { |
1237 | ret = CMD_ERROR; | |
1238 | ERR("Channel %s not found", channel_name); | |
1239 | goto error; | |
9f19cc17 | 1240 | } |
fb14d0d8 JR |
1241 | } |
1242 | error: | |
1243 | free(channels); | |
9f19cc17 | 1244 | |
fb14d0d8 JR |
1245 | error_channels: |
1246 | return ret; | |
1247 | } | |
1248 | ||
1249 | /* | |
1250 | * Machine interface | |
1251 | * Find the session with session_name as name | |
1252 | * and print his informations. | |
1253 | */ | |
1254 | static int mi_list_session(const char *session_name, | |
1255 | struct lttng_session *sessions, int count) | |
1256 | { | |
1257 | int ret, i; | |
1258 | unsigned int session_found = 0; | |
1259 | ||
1260 | if (session_name == NULL) { | |
1261 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1262 | goto end; | |
1263 | } | |
1264 | ||
1265 | for (i = 0; i < count; i++) { | |
1266 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1267 | /* We need to leave it open to append other informations | |
1268 | * like domain, channel, events etc.*/ | |
1269 | session_found = 1; | |
1270 | ret = mi_lttng_session(writer, &sessions[i], 1); | |
1271 | if (ret) { | |
1272 | goto end; | |
1273 | } | |
9f19cc17 | 1274 | break; |
f3ed775e | 1275 | } |
f3ed775e DG |
1276 | } |
1277 | ||
fb14d0d8 JR |
1278 | if (!session_found) { |
1279 | ERR("Session '%s' not found", session_name); | |
1280 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1281 | goto end; | |
9f19cc17 | 1282 | } |
f3ed775e | 1283 | |
fb14d0d8 JR |
1284 | end: |
1285 | return ret; | |
1286 | } | |
f3ed775e | 1287 | |
fb14d0d8 JR |
1288 | /* |
1289 | * Machine interface | |
1290 | * List all availables session | |
1291 | */ | |
1292 | static int mi_list_sessions(struct lttng_session *sessions, int count) | |
1293 | { | |
1294 | int ret, i; | |
ae856491 | 1295 | |
fb14d0d8 JR |
1296 | /* Opening sessions element */ |
1297 | ret = mi_lttng_sessions_open(writer); | |
1298 | if (ret) { | |
1299 | goto end; | |
1300 | } | |
1301 | ||
1302 | /* Listing sessions */ | |
1303 | for (i = 0; i < count; i++) { | |
1304 | ret = mi_lttng_session(writer, &sessions[i], 0); | |
1305 | if (ret) { | |
1306 | goto end; | |
1307 | } | |
1308 | } | |
1309 | ||
1310 | /* Closing sessions element */ | |
1311 | ret = mi_lttng_writer_close_element(writer); | |
1312 | if (ret) { | |
1313 | goto end; | |
1314 | } | |
1315 | ||
1316 | end: | |
f3ed775e DG |
1317 | return ret; |
1318 | } | |
1319 | ||
1320 | /* | |
9f19cc17 | 1321 | * List available tracing session. List only basic information. |
f3ed775e | 1322 | * |
9f19cc17 | 1323 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 1324 | */ |
9f19cc17 | 1325 | static int list_sessions(const char *session_name) |
f3ed775e | 1326 | { |
fb14d0d8 JR |
1327 | int ret = CMD_SUCCESS; |
1328 | int count, i; | |
9f19cc17 DG |
1329 | unsigned int session_found = 0; |
1330 | struct lttng_session *sessions; | |
1331 | ||
1332 | count = lttng_list_sessions(&sessions); | |
1333 | DBG("Session count %d", count); | |
1334 | if (count < 0) { | |
fb14d0d8 JR |
1335 | ret = CMD_ERROR; |
1336 | ERR("%s", lttng_strerror(count)); | |
d32fb093 | 1337 | goto end; |
9f19cc17 DG |
1338 | } |
1339 | ||
fb14d0d8 JR |
1340 | if (lttng_opt_mi) { |
1341 | /* Mi */ | |
1342 | if (session_name == NULL) { | |
1343 | /* List all session */ | |
1344 | ret = mi_list_sessions(sessions, count); | |
1345 | } else { | |
1346 | /* Note : this return an open session element */ | |
1347 | ret = mi_list_session(session_name, sessions, count); | |
1348 | } | |
1349 | if (ret) { | |
1350 | ret = CMD_ERROR; | |
1351 | goto error; | |
1352 | } | |
1353 | } else { | |
1354 | /* Pretty print */ | |
1355 | if (count == 0) { | |
1356 | MSG("Currently no available tracing session"); | |
fb14d0d8 JR |
1357 | goto end; |
1358 | } | |
9f19cc17 | 1359 | |
fb14d0d8 JR |
1360 | if (session_name == NULL) { |
1361 | MSG("Available tracing sessions:"); | |
1362 | } | |
1363 | ||
1364 | ||
1365 | for (i = 0; i < count; i++) { | |
1366 | if (session_name != NULL) { | |
1367 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1368 | session_found = 1; | |
1369 | MSG("Tracing session %s: [%s%s]", session_name, | |
1370 | active_string(sessions[i].enabled), | |
1371 | snapshot_string(sessions[i].snapshot_mode)); | |
1372 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); | |
1373 | break; | |
1374 | } | |
1375 | } else { | |
1376 | MSG(" %d) %s (%s) [%s%s]", i + 1, | |
1377 | sessions[i].name, sessions[i].path, | |
2cbf8fed DG |
1378 | active_string(sessions[i].enabled), |
1379 | snapshot_string(sessions[i].snapshot_mode)); | |
2f785fe7 DG |
1380 | MSG("%sTrace path: %s", indent4, sessions[i].path); |
1381 | MSG("%sLive timer interval (usec): %u\n", indent4, | |
1382 | sessions[i].live_timer_interval); | |
9f19cc17 | 1383 | } |
fb14d0d8 JR |
1384 | } |
1385 | ||
1386 | if (!session_found && session_name != NULL) { | |
1387 | ERR("Session '%s' not found", session_name); | |
1388 | ret = CMD_ERROR; | |
1389 | goto error; | |
1390 | } | |
1391 | ||
1392 | if (session_name == NULL) { | |
1393 | MSG("\nUse lttng list <session_name> for more details"); | |
9f19cc17 DG |
1394 | } |
1395 | } | |
1396 | ||
fb14d0d8 | 1397 | error: |
9f19cc17 | 1398 | free(sessions); |
fb14d0d8 JR |
1399 | end: |
1400 | return ret; | |
1401 | } | |
9f19cc17 | 1402 | |
fb14d0d8 JR |
1403 | |
1404 | /* | |
1405 | * Machine Interface | |
1406 | * list available domain(s) for a session. | |
1407 | */ | |
1408 | static int mi_list_domains(struct lttng_domain *domains, int count) | |
1409 | { | |
1410 | int i, ret; | |
1411 | /* Open domains element */ | |
1412 | ret = mi_lttng_domains_open(writer); | |
1413 | if (ret) { | |
1414 | goto end; | |
9f19cc17 DG |
1415 | } |
1416 | ||
fb14d0d8 JR |
1417 | for (i = 0; i < count; i++) { |
1418 | ret = mi_lttng_domain(writer, &domains[i] , 0); | |
1419 | if (ret) { | |
1420 | goto end; | |
1421 | } | |
9f19cc17 | 1422 | } |
f3ed775e | 1423 | |
fb14d0d8 JR |
1424 | /* Closing domains element */ |
1425 | ret = mi_lttng_writer_close_element(writer); | |
1426 | if (ret) { | |
1427 | goto end; | |
1428 | } | |
d32fb093 | 1429 | end: |
f3ed775e DG |
1430 | return ret; |
1431 | } | |
f3ed775e DG |
1432 | |
1433 | /* | |
9f19cc17 | 1434 | * List available domain(s) for a session. |
f3ed775e | 1435 | */ |
330be774 | 1436 | static int list_domains(const char *session_name) |
f3ed775e | 1437 | { |
9f19cc17 DG |
1438 | int i, count, ret = CMD_SUCCESS; |
1439 | struct lttng_domain *domains = NULL; | |
1440 | ||
9f19cc17 | 1441 | |
330be774 | 1442 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 | 1443 | if (count < 0) { |
fb14d0d8 JR |
1444 | ret = CMD_ERROR; |
1445 | ERR("%s", lttng_strerror(count)); | |
9f19cc17 DG |
1446 | goto end; |
1447 | } | |
1448 | ||
fb14d0d8 JR |
1449 | if (lttng_opt_mi) { |
1450 | /* Mi output */ | |
1451 | ret = mi_list_domains(domains, count); | |
1452 | if (ret) { | |
1453 | ret = CMD_ERROR; | |
1454 | goto error; | |
1455 | } | |
1456 | } else { | |
1457 | /* Pretty print */ | |
1458 | MSG("Domains:\n-------------"); | |
1459 | if (count == 0) { | |
1460 | MSG(" None"); | |
1461 | goto end; | |
1462 | } | |
1463 | ||
1464 | for (i = 0; i < count; i++) { | |
1465 | switch (domains[i].type) { | |
1466 | case LTTNG_DOMAIN_KERNEL: | |
1467 | MSG(" - Kernel"); | |
1468 | break; | |
1469 | case LTTNG_DOMAIN_UST: | |
1470 | MSG(" - UST global"); | |
1471 | break; | |
1472 | case LTTNG_DOMAIN_JUL: | |
1473 | MSG(" - JUL (Java Util Logging)"); | |
1474 | break; | |
5cdb6027 DG |
1475 | case LTTNG_DOMAIN_LOG4J: |
1476 | MSG(" - LOG4j (Logging for Java)"); | |
1477 | break; | |
fb14d0d8 JR |
1478 | default: |
1479 | break; | |
1480 | } | |
9f19cc17 DG |
1481 | } |
1482 | } | |
1483 | ||
fb14d0d8 | 1484 | error: |
9f19cc17 DG |
1485 | free(domains); |
1486 | ||
fb14d0d8 | 1487 | end: |
9f19cc17 | 1488 | return ret; |
f3ed775e | 1489 | } |
f3ed775e DG |
1490 | |
1491 | /* | |
9f19cc17 | 1492 | * The 'list <options>' first level command |
f3ed775e DG |
1493 | */ |
1494 | int cmd_list(int argc, const char **argv) | |
1495 | { | |
c617c0c6 | 1496 | int opt, ret = CMD_SUCCESS; |
9f19cc17 | 1497 | const char *session_name; |
f3ed775e | 1498 | static poptContext pc; |
9f19cc17 DG |
1499 | struct lttng_domain domain; |
1500 | struct lttng_domain *domains = NULL; | |
f3ed775e | 1501 | |
441c16a7 MD |
1502 | memset(&domain, 0, sizeof(domain)); |
1503 | ||
9f19cc17 | 1504 | if (argc < 1) { |
f3ed775e | 1505 | usage(stderr); |
ca1c3607 | 1506 | ret = CMD_ERROR; |
f3ed775e DG |
1507 | goto end; |
1508 | } | |
1509 | ||
1510 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
1511 | poptReadDefaultConfig(pc, 0); | |
1512 | ||
1513 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
1514 | switch (opt) { | |
1515 | case OPT_HELP: | |
ca1c3607 | 1516 | usage(stdout); |
f3ed775e | 1517 | goto end; |
eeac7d46 MD |
1518 | case OPT_USERSPACE: |
1519 | opt_userspace = 1; | |
eeac7d46 | 1520 | break; |
679b4943 SM |
1521 | case OPT_LIST_OPTIONS: |
1522 | list_cmd_options(stdout, long_options); | |
679b4943 | 1523 | goto end; |
f3ed775e DG |
1524 | default: |
1525 | usage(stderr); | |
1526 | ret = CMD_UNDEFINED; | |
1527 | goto end; | |
1528 | } | |
1529 | } | |
1530 | ||
fb14d0d8 JR |
1531 | /* Mi check */ |
1532 | if (lttng_opt_mi) { | |
1533 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
1534 | if (!writer) { | |
1535 | ret = CMD_ERROR; | |
1536 | goto end; | |
1537 | } | |
1538 | ||
1539 | /* Open command element */ | |
1540 | ret = mi_lttng_writer_command_open(writer, | |
1541 | mi_lttng_element_command_list); | |
1542 | if (ret) { | |
1543 | ret = CMD_ERROR; | |
1544 | goto end; | |
1545 | } | |
1546 | ||
1547 | /* Open output element */ | |
1548 | ret = mi_lttng_writer_open_element(writer, | |
1549 | mi_lttng_element_command_output); | |
1550 | if (ret) { | |
1551 | ret = CMD_ERROR; | |
1552 | goto end; | |
1553 | } | |
1554 | } | |
1555 | ||
9f19cc17 DG |
1556 | /* Get session name (trailing argument) */ |
1557 | session_name = poptGetArg(pc); | |
b551a063 | 1558 | DBG2("Session name: %s", session_name); |
9f19cc17 | 1559 | |
cd80958d DG |
1560 | if (opt_kernel) { |
1561 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
1562 | } else if (opt_userspace) { |
1563 | DBG2("Listing userspace global domain"); | |
1564 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
1565 | } else if (opt_jul) { |
1566 | DBG2("Listing JUL domain"); | |
1567 | domain.type = LTTNG_DOMAIN_JUL; | |
edf60534 | 1568 | } else if (opt_log4j) { |
5cdb6027 | 1569 | domain.type = LTTNG_DOMAIN_LOG4J; |
cd80958d DG |
1570 | } |
1571 | ||
834978fd DG |
1572 | if (!opt_kernel && opt_syscall) { |
1573 | WARN("--syscall will only work with the Kernel domain (-k)"); | |
1574 | ret = CMD_ERROR; | |
1575 | goto end; | |
1576 | } | |
1577 | ||
5cdb6027 | 1578 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j) { |
aa5de748 MD |
1579 | handle = lttng_create_handle(session_name, &domain); |
1580 | if (handle == NULL) { | |
1581 | ret = CMD_FATAL; | |
1582 | goto end; | |
1583 | } | |
cd80958d DG |
1584 | } |
1585 | ||
9f19cc17 | 1586 | if (session_name == NULL) { |
5cdb6027 | 1587 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j) { |
b551a063 | 1588 | ret = list_sessions(NULL); |
fb14d0d8 | 1589 | if (ret) { |
b551a063 DG |
1590 | goto end; |
1591 | } | |
1592 | } | |
9f19cc17 | 1593 | if (opt_kernel) { |
834978fd DG |
1594 | if (opt_syscall) { |
1595 | ret = list_syscalls(); | |
1596 | if (ret) { | |
1597 | goto end; | |
1598 | } | |
1599 | } else { | |
1600 | ret = list_kernel_events(); | |
1601 | if (ret) { | |
1602 | goto end; | |
1603 | } | |
9f19cc17 | 1604 | } |
b551a063 DG |
1605 | } |
1606 | if (opt_userspace) { | |
f37d259d MD |
1607 | if (opt_fields) { |
1608 | ret = list_ust_event_fields(); | |
1609 | } else { | |
1610 | ret = list_ust_events(); | |
1611 | } | |
fb14d0d8 | 1612 | if (ret) { |
9f19cc17 DG |
1613 | goto end; |
1614 | } | |
1615 | } | |
5cdb6027 DG |
1616 | if (opt_jul || opt_log4j) { |
1617 | ret = list_agent_events(); | |
fb14d0d8 | 1618 | if (ret) { |
3c6a091f DG |
1619 | goto end; |
1620 | } | |
1621 | } | |
9f19cc17 DG |
1622 | } else { |
1623 | /* List session attributes */ | |
fb14d0d8 JR |
1624 | if (lttng_opt_mi) { |
1625 | /* Open element sessions | |
1626 | * Present for xml consistency */ | |
1627 | ret = mi_lttng_sessions_open(writer); | |
1628 | if (ret) { | |
1629 | goto end; | |
1630 | } | |
1631 | } | |
1632 | /* MI: the ouptut of list_sessions is an unclosed session element */ | |
9f19cc17 | 1633 | ret = list_sessions(session_name); |
fb14d0d8 | 1634 | if (ret) { |
9f19cc17 DG |
1635 | goto end; |
1636 | } | |
1637 | ||
1638 | /* Domain listing */ | |
1639 | if (opt_domain) { | |
330be774 | 1640 | ret = list_domains(session_name); |
9f19cc17 DG |
1641 | goto end; |
1642 | } | |
1643 | ||
fb14d0d8 | 1644 | /* Channel listing */ |
1c3de747 | 1645 | if (opt_kernel || opt_userspace) { |
fb14d0d8 JR |
1646 | if (lttng_opt_mi) { |
1647 | /* Add of domains and domain element for xml | |
1648 | * consistency and validation | |
1649 | */ | |
1650 | ret = mi_lttng_domains_open(writer); | |
1651 | if (ret) { | |
1652 | goto end; | |
1653 | } | |
1654 | ||
1655 | /* Open domain and leave it open for | |
1656 | * nested channels printing */ | |
1657 | ret = mi_lttng_domain(writer, &domain, 1); | |
1658 | if (ret) { | |
1659 | goto end; | |
1660 | } | |
1661 | ||
1662 | } | |
1663 | ||
cd80958d | 1664 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
1665 | if (ret) { |
1666 | goto end; | |
1667 | } | |
1668 | ||
1669 | if (lttng_opt_mi) { | |
1670 | /* Close domain and domain element */ | |
1671 | ret = mi_lttng_close_multi_element(writer, 2); | |
1672 | } | |
1673 | if (ret) { | |
9f19cc17 DG |
1674 | goto end; |
1675 | } | |
fb14d0d8 JR |
1676 | |
1677 | ||
9f19cc17 | 1678 | } else { |
c617c0c6 MD |
1679 | int i, nb_domain; |
1680 | ||
9f19cc17 | 1681 | /* We want all domain(s) */ |
330be774 | 1682 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 1683 | if (nb_domain < 0) { |
fb14d0d8 JR |
1684 | ret = CMD_ERROR; |
1685 | ERR("%s", lttng_strerror(nb_domain)); | |
9f19cc17 DG |
1686 | goto end; |
1687 | } | |
1688 | ||
fb14d0d8 JR |
1689 | if (lttng_opt_mi) { |
1690 | ret = mi_lttng_domains_open(writer); | |
1691 | if (ret) { | |
1692 | ret = CMD_ERROR; | |
1693 | goto end; | |
1694 | } | |
1695 | } | |
1696 | ||
b551a063 | 1697 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
1698 | switch (domains[i].type) { |
1699 | case LTTNG_DOMAIN_KERNEL: | |
1700 | MSG("=== Domain: Kernel ===\n"); | |
1701 | break; | |
b551a063 DG |
1702 | case LTTNG_DOMAIN_UST: |
1703 | MSG("=== Domain: UST global ===\n"); | |
88c5f0d8 DG |
1704 | MSG("Buffer type: %s\n", |
1705 | domains[i].buf_type == | |
1706 | LTTNG_BUFFER_PER_PID ? "per PID" : "per UID"); | |
b551a063 | 1707 | break; |
3c6a091f DG |
1708 | case LTTNG_DOMAIN_JUL: |
1709 | MSG("=== Domain: JUL (Java Util Logging) ===\n"); | |
1710 | break; | |
5cdb6027 DG |
1711 | case LTTNG_DOMAIN_LOG4J: |
1712 | MSG("=== Domain: LOG4j (Logging for Java) ===\n"); | |
1713 | break; | |
9f19cc17 DG |
1714 | default: |
1715 | MSG("=== Domain: Unimplemented ===\n"); | |
1716 | break; | |
1717 | } | |
1718 | ||
fb14d0d8 JR |
1719 | if (lttng_opt_mi) { |
1720 | ret = mi_lttng_domain(writer, &domains[i], 1); | |
1721 | if (ret) { | |
1722 | ret = CMD_ERROR; | |
1723 | goto end; | |
1724 | } | |
1725 | } | |
1726 | ||
cd80958d | 1727 | /* Clean handle before creating a new one */ |
aa5de748 MD |
1728 | if (handle) { |
1729 | lttng_destroy_handle(handle); | |
1730 | } | |
cd80958d DG |
1731 | |
1732 | handle = lttng_create_handle(session_name, &domains[i]); | |
1733 | if (handle == NULL) { | |
ca1c3607 | 1734 | ret = CMD_FATAL; |
cd80958d DG |
1735 | goto end; |
1736 | } | |
1737 | ||
5cdb6027 DG |
1738 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
1739 | domains[i].type == LTTNG_DOMAIN_LOG4J) { | |
1740 | ret = list_session_agent_events(); | |
fb14d0d8 | 1741 | if (ret) { |
3c6a091f DG |
1742 | goto end; |
1743 | } | |
1744 | continue; | |
1745 | } | |
1746 | ||
cd80958d | 1747 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
1748 | if (ret) { |
1749 | goto end; | |
1750 | } | |
1751 | ||
1752 | if (lttng_opt_mi) { | |
1753 | /* Close domain element */ | |
1754 | ret = mi_lttng_writer_close_element(writer); | |
1755 | if (ret) { | |
1756 | ret = CMD_ERROR; | |
1757 | goto end; | |
1758 | } | |
1759 | } | |
1760 | ||
1761 | } | |
1762 | if (lttng_opt_mi) { | |
1763 | /* Close the domains, session and sessions element */ | |
1764 | ret = mi_lttng_close_multi_element(writer, 3); | |
1765 | if (ret) { | |
1766 | ret = CMD_ERROR; | |
9f19cc17 DG |
1767 | goto end; |
1768 | } | |
1769 | } | |
1770 | } | |
f3ed775e DG |
1771 | } |
1772 | ||
fb14d0d8 JR |
1773 | /* Mi closing */ |
1774 | if (lttng_opt_mi) { | |
1775 | /* Close output element */ | |
1776 | ret = mi_lttng_writer_close_element(writer); | |
1777 | if (ret) { | |
1778 | ret = CMD_ERROR; | |
1779 | goto end; | |
1780 | } | |
1781 | ||
1782 | /* Command element close */ | |
1783 | ret = mi_lttng_writer_command_close(writer); | |
1784 | if (ret) { | |
1785 | ret = CMD_ERROR; | |
1786 | goto end; | |
1787 | } | |
1788 | } | |
f3ed775e | 1789 | end: |
fb14d0d8 JR |
1790 | /* Mi clean-up */ |
1791 | if (writer && mi_lttng_writer_destroy(writer)) { | |
1792 | /* Preserve original error code */ | |
1793 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
1794 | } | |
1795 | ||
0e428499 | 1796 | free(domains); |
aa5de748 MD |
1797 | if (handle) { |
1798 | lttng_destroy_handle(handle); | |
1799 | } | |
cd80958d | 1800 | |
ca1c3607 | 1801 | poptFreeContext(pc); |
f3ed775e DG |
1802 | return ret; |
1803 | } |