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 JR |
26 | #include <common/mi-lttng.h> |
27 | ||
c399183f | 28 | #include "../command.h" |
f3ed775e | 29 | |
9f19cc17 DG |
30 | static int opt_userspace; |
31 | static int opt_kernel; | |
3c6a091f | 32 | static int opt_jul; |
5cdb6027 | 33 | static int opt_log4j; |
9f19cc17 DG |
34 | static char *opt_channel; |
35 | static int opt_domain; | |
f37d259d | 36 | static int opt_fields; |
834978fd | 37 | static int opt_syscall; |
d78d6610 DG |
38 | #if 0 |
39 | /* Not implemented yet */ | |
40 | static char *opt_cmd_name; | |
41 | static pid_t opt_pid; | |
42 | #endif | |
9f19cc17 DG |
43 | |
44 | const char *indent4 = " "; | |
45 | const char *indent6 = " "; | |
46 | const char *indent8 = " "; | |
f3ed775e DG |
47 | |
48 | enum { | |
49 | OPT_HELP = 1, | |
eeac7d46 | 50 | OPT_USERSPACE, |
679b4943 | 51 | OPT_LIST_OPTIONS, |
f3ed775e DG |
52 | }; |
53 | ||
cd80958d | 54 | static struct lttng_handle *handle; |
fb14d0d8 | 55 | static struct mi_writer *writer; |
cd80958d | 56 | |
f3ed775e DG |
57 | static struct poptOption long_options[] = { |
58 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
59 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, | |
9f19cc17 | 60 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, |
3c6a091f | 61 | {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0}, |
5cdb6027 | 62 | {"log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0}, |
d78d6610 DG |
63 | #if 0 |
64 | /* Not implemented yet */ | |
65 | {"userspace", 'u', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_cmd_name, OPT_USERSPACE, 0, 0}, | |
66 | {"pid", 'p', POPT_ARG_INT, &opt_pid, 0, 0, 0}, | |
67 | #else | |
68 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, | |
69 | #endif | |
9f19cc17 DG |
70 | {"channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0}, |
71 | {"domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0}, | |
f37d259d | 72 | {"fields", 'f', POPT_ARG_VAL, &opt_fields, 1, 0, 0}, |
834978fd | 73 | {"syscall", 'S', POPT_ARG_VAL, &opt_syscall, 1, 0, 0}, |
679b4943 | 74 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
f3ed775e DG |
75 | {0, 0, 0, 0, 0, 0, 0} |
76 | }; | |
77 | ||
78 | /* | |
79 | * usage | |
80 | */ | |
81 | static void usage(FILE *ofp) | |
82 | { | |
747361fe | 83 | fprintf(ofp, "usage: lttng list [OPTIONS] [SESSION [SESSION OPTIONS]]\n"); |
9f19cc17 DG |
84 | fprintf(ofp, "\n"); |
85 | fprintf(ofp, "With no arguments, list available tracing session(s)\n"); | |
86 | fprintf(ofp, "\n"); | |
27221701 DG |
87 | fprintf(ofp, "Without a session, -k lists available kernel events\n"); |
88 | fprintf(ofp, "Without a session, -u lists available userspace events\n"); | |
9f19cc17 DG |
89 | fprintf(ofp, "\n"); |
90 | fprintf(ofp, " -h, --help Show this help\n"); | |
27221701 | 91 | fprintf(ofp, " --list-options Simple listing of options\n"); |
9f19cc17 DG |
92 | fprintf(ofp, " -k, --kernel Select kernel domain\n"); |
93 | fprintf(ofp, " -u, --userspace Select user-space domain.\n"); | |
3c6a091f | 94 | fprintf(ofp, " -j, --jul Apply for Java application using JUL\n"); |
f37d259d | 95 | fprintf(ofp, " -f, --fields List event fields.\n"); |
834978fd | 96 | fprintf(ofp, " --syscall List available system calls.\n"); |
d78d6610 | 97 | #if 0 |
9f19cc17 | 98 | fprintf(ofp, " -p, --pid PID List user-space events by PID\n"); |
d78d6610 | 99 | #endif |
f3ed775e | 100 | fprintf(ofp, "\n"); |
27221701 | 101 | fprintf(ofp, "Session Options:\n"); |
9f19cc17 DG |
102 | fprintf(ofp, " -c, --channel NAME List details of a channel\n"); |
103 | fprintf(ofp, " -d, --domain List available domain(s)\n"); | |
f3ed775e DG |
104 | fprintf(ofp, "\n"); |
105 | } | |
106 | ||
107 | /* | |
9f19cc17 | 108 | * Get command line from /proc for a specific pid. |
f3ed775e | 109 | * |
9f19cc17 DG |
110 | * On success, return an allocated string pointer to the proc cmdline. |
111 | * On error, return NULL. | |
f3ed775e DG |
112 | */ |
113 | static char *get_cmdline_by_pid(pid_t pid) | |
114 | { | |
115 | int ret; | |
1ad31aec | 116 | FILE *fp = NULL; |
f3ed775e | 117 | char *cmdline = NULL; |
5f1abdd9 | 118 | char path[20]; /* Can't go bigger than /proc/65535/cmdline */ |
f3ed775e DG |
119 | |
120 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); | |
121 | fp = fopen(path, "r"); | |
122 | if (fp == NULL) { | |
123 | goto end; | |
124 | } | |
125 | ||
126 | /* Caller must free() *cmdline */ | |
127 | cmdline = malloc(PATH_MAX); | |
f6962219 JG |
128 | if (!cmdline) { |
129 | perror("malloc cmdline"); | |
130 | goto end; | |
131 | } | |
f3ed775e | 132 | ret = fread(cmdline, 1, PATH_MAX, fp); |
f40799e8 DG |
133 | if (ret < 0) { |
134 | perror("fread proc list"); | |
135 | } | |
f3ed775e DG |
136 | |
137 | end: | |
1ad31aec DG |
138 | if (fp) { |
139 | fclose(fp); | |
140 | } | |
f3ed775e DG |
141 | return cmdline; |
142 | } | |
b551a063 | 143 | |
464dd62d MD |
144 | static |
145 | const char *active_string(int value) | |
146 | { | |
147 | switch (value) { | |
2cbf8fed DG |
148 | case 0: return "inactive"; |
149 | case 1: return "active"; | |
464dd62d MD |
150 | case -1: return ""; |
151 | default: return NULL; | |
152 | } | |
153 | } | |
154 | ||
2cbf8fed DG |
155 | static const char *snapshot_string(int value) |
156 | { | |
157 | switch (value) { | |
158 | case 1: | |
159 | return " snapshot"; | |
160 | default: | |
161 | return ""; | |
162 | } | |
163 | } | |
164 | ||
464dd62d MD |
165 | static |
166 | const char *enabled_string(int value) | |
167 | { | |
168 | switch (value) { | |
b09f0429 MD |
169 | case 0: return " [disabled]"; |
170 | case 1: return " [enabled]"; | |
464dd62d MD |
171 | case -1: return ""; |
172 | default: return NULL; | |
173 | } | |
174 | } | |
175 | ||
fceb65df MD |
176 | static |
177 | const char *filter_string(int value) | |
178 | { | |
179 | switch (value) { | |
180 | case 1: return " [with filter]"; | |
181 | default: return ""; | |
182 | } | |
183 | } | |
184 | ||
4634f12e JI |
185 | static |
186 | const char *exclusion_string(int value) | |
187 | { | |
188 | switch (value) { | |
189 | case 1: return " [has exclusions]"; | |
190 | default: return ""; | |
191 | } | |
192 | } | |
193 | ||
1f0e17de DG |
194 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
195 | { | |
196 | switch (value) { | |
af6bce80 DG |
197 | case LTTNG_EVENT_LOGLEVEL_ALL: |
198 | return ":"; | |
1f0e17de | 199 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
af6bce80 | 200 | return " <="; |
1f0e17de | 201 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
af6bce80 | 202 | return " =="; |
1f0e17de | 203 | default: |
af6bce80 | 204 | return " <<TYPE UNKN>>"; |
1f0e17de DG |
205 | } |
206 | } | |
207 | ||
834978fd DG |
208 | static const char *bitness_event(enum lttng_event_flag flags) |
209 | { | |
210 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_32) { | |
211 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
212 | return " [32/64-bit]"; | |
213 | } else { | |
214 | return " [32-bit]"; | |
215 | } | |
216 | } else if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
217 | return " [64-bit]"; | |
218 | } else { | |
219 | return ""; | |
220 | } | |
221 | } | |
222 | ||
b551a063 DG |
223 | /* |
224 | * Pretty print single event. | |
225 | */ | |
226 | static void print_events(struct lttng_event *event) | |
227 | { | |
228 | switch (event->type) { | |
229 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 230 | { |
8b703175 | 231 | if (event->loglevel != -1) { |
af6bce80 | 232 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
8b703175 | 233 | indent6, |
81afa345 | 234 | event->name, |
1f0e17de | 235 | logleveltype_string(event->loglevel_type), |
fb14d0d8 | 236 | mi_lttng_loglevel_string(event->loglevel), |
8b703175 | 237 | event->loglevel, |
fceb65df | 238 | enabled_string(event->enabled), |
4634f12e | 239 | exclusion_string(event->exclusion), |
fceb65df | 240 | filter_string(event->filter)); |
8b703175 | 241 | } else { |
4634f12e | 242 | MSG("%s%s (type: tracepoint)%s%s%s", |
8b703175 MD |
243 | indent6, |
244 | event->name, | |
fceb65df | 245 | enabled_string(event->enabled), |
4634f12e | 246 | exclusion_string(event->exclusion), |
fceb65df | 247 | filter_string(event->filter)); |
8b703175 | 248 | } |
b551a063 | 249 | break; |
e4baff1e | 250 | } |
1896972b DG |
251 | case LTTNG_EVENT_FUNCTION: |
252 | MSG("%s%s (type: function)%s%s", indent6, | |
253 | event->name, enabled_string(event->enabled), | |
254 | filter_string(event->filter)); | |
255 | if (event->attr.probe.addr != 0) { | |
256 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
257 | } else { | |
258 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
259 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
260 | } | |
261 | break; | |
b551a063 | 262 | case LTTNG_EVENT_PROBE: |
fceb65df MD |
263 | MSG("%s%s (type: probe)%s%s", indent6, |
264 | event->name, enabled_string(event->enabled), | |
265 | filter_string(event->filter)); | |
b551a063 DG |
266 | if (event->attr.probe.addr != 0) { |
267 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
268 | } else { | |
269 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
270 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
271 | } | |
272 | break; | |
b551a063 | 273 | case LTTNG_EVENT_FUNCTION_ENTRY: |
fceb65df MD |
274 | MSG("%s%s (type: function)%s%s", indent6, |
275 | event->name, enabled_string(event->enabled), | |
276 | filter_string(event->filter)); | |
b551a063 DG |
277 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
278 | break; | |
279 | case LTTNG_EVENT_SYSCALL: | |
834978fd DG |
280 | MSG("%s%s%s%s%s", indent6, event->name, |
281 | (opt_syscall ? "" : " (type:syscall)"), | |
fceb65df | 282 | enabled_string(event->enabled), |
834978fd | 283 | bitness_event(event->flags)); |
b551a063 DG |
284 | break; |
285 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
286 | MSG("%s (type: noop)%s%s", indent6, |
287 | enabled_string(event->enabled), | |
288 | filter_string(event->filter)); | |
b551a063 DG |
289 | break; |
290 | case LTTNG_EVENT_ALL: | |
291 | /* We should never have "all" events in list. */ | |
292 | assert(0); | |
293 | break; | |
294 | } | |
295 | } | |
296 | ||
f37d259d MD |
297 | static const char *field_type(struct lttng_event_field *field) |
298 | { | |
299 | switch(field->type) { | |
300 | case LTTNG_EVENT_FIELD_INTEGER: | |
301 | return "integer"; | |
302 | case LTTNG_EVENT_FIELD_ENUM: | |
303 | return "enum"; | |
304 | case LTTNG_EVENT_FIELD_FLOAT: | |
305 | return "float"; | |
306 | case LTTNG_EVENT_FIELD_STRING: | |
307 | return "string"; | |
308 | case LTTNG_EVENT_FIELD_OTHER: | |
309 | default: /* fall-through */ | |
310 | return "unknown"; | |
311 | } | |
312 | } | |
313 | ||
314 | /* | |
315 | * Pretty print single event fields. | |
316 | */ | |
317 | static void print_event_field(struct lttng_event_field *field) | |
318 | { | |
319 | if (!field->field_name[0]) { | |
320 | return; | |
321 | } | |
d8fbe2a9 | 322 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 323 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
324 | } |
325 | ||
fb14d0d8 JR |
326 | /* |
327 | * Machine interface | |
328 | * Jul and ust event listing | |
329 | */ | |
5cdb6027 | 330 | static int mi_list_agent_ust_events(struct lttng_event *events, int count, |
fb14d0d8 JR |
331 | struct lttng_domain *domain) |
332 | { | |
333 | int ret, i; | |
334 | pid_t cur_pid = 0; | |
335 | char *cmdline = NULL; | |
336 | int pid_element_open = 0; | |
337 | ||
338 | /* Open domains element */ | |
339 | ret = mi_lttng_domains_open(writer); | |
340 | if (ret) { | |
341 | goto end; | |
342 | } | |
343 | ||
344 | /* Write domain */ | |
345 | ret = mi_lttng_domain(writer, domain, 1); | |
346 | if (ret) { | |
347 | goto end; | |
348 | } | |
349 | ||
350 | /* Open pids element */ | |
351 | ret = mi_lttng_pids_open(writer); | |
352 | if (ret) { | |
353 | goto end; | |
354 | } | |
355 | ||
356 | for (i = 0; i < count; i++) { | |
357 | if (cur_pid != events[i].pid) { | |
358 | if (pid_element_open) { | |
359 | /* Close the previous events and pid element */ | |
360 | ret = mi_lttng_close_multi_element(writer, 2); | |
361 | if (ret) { | |
362 | goto end; | |
363 | } | |
364 | pid_element_open = 0; | |
365 | } | |
366 | ||
367 | cur_pid = events[i].pid; | |
368 | cmdline = get_cmdline_by_pid(cur_pid); | |
369 | if (!cmdline) { | |
370 | ret = CMD_ERROR; | |
371 | goto end; | |
372 | } | |
373 | ||
374 | if (!pid_element_open) { | |
375 | /* Open and write a pid element */ | |
376 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); | |
377 | if (ret) { | |
378 | goto error; | |
379 | } | |
380 | ||
381 | /* Open events element */ | |
382 | ret = mi_lttng_events_open(writer); | |
383 | if (ret) { | |
384 | goto error; | |
385 | } | |
386 | ||
387 | pid_element_open = 1; | |
388 | } | |
389 | free(cmdline); | |
390 | } | |
391 | ||
392 | /* Write an event */ | |
393 | ret = mi_lttng_event(writer, &events[i], 0); | |
394 | if (ret) { | |
395 | goto end; | |
396 | } | |
397 | } | |
398 | ||
399 | /* Close pids */ | |
400 | ret = mi_lttng_writer_close_element(writer); | |
401 | if (ret) { | |
402 | goto end; | |
403 | } | |
404 | ||
405 | /* Close domain, domains */ | |
406 | ret = mi_lttng_close_multi_element(writer, 2); | |
407 | end: | |
408 | return ret; | |
409 | error: | |
410 | free(cmdline); | |
411 | return ret; | |
412 | } | |
413 | ||
5cdb6027 | 414 | static int list_agent_events(void) |
3c6a091f | 415 | { |
fb14d0d8 | 416 | int i, size, ret = CMD_SUCCESS; |
3c6a091f DG |
417 | struct lttng_domain domain; |
418 | struct lttng_handle *handle; | |
419 | struct lttng_event *event_list; | |
420 | pid_t cur_pid = 0; | |
421 | char *cmdline = NULL; | |
5cdb6027 | 422 | const char *agent_domain_str; |
3c6a091f DG |
423 | |
424 | memset(&domain, 0, sizeof(domain)); | |
5cdb6027 DG |
425 | if (opt_jul) { |
426 | domain.type = LTTNG_DOMAIN_JUL; | |
427 | } else if (opt_log4j) { | |
428 | domain.type = LTTNG_DOMAIN_LOG4J; | |
429 | } | |
430 | ||
431 | agent_domain_str = get_domain_str(domain.type); | |
432 | ||
433 | DBG("Getting %s tracing events", agent_domain_str); | |
3c6a091f DG |
434 | |
435 | handle = lttng_create_handle(NULL, &domain); | |
436 | if (handle == NULL) { | |
fb14d0d8 JR |
437 | ret = CMD_ERROR; |
438 | goto end; | |
3c6a091f DG |
439 | } |
440 | ||
441 | size = lttng_list_tracepoints(handle, &event_list); | |
442 | if (size < 0) { | |
5cdb6027 DG |
443 | ERR("Unable to list %s events: %s", agent_domain_str, |
444 | lttng_strerror(size)); | |
fb14d0d8 JR |
445 | ret = CMD_ERROR; |
446 | goto end; | |
3c6a091f DG |
447 | } |
448 | ||
fb14d0d8 JR |
449 | if (lttng_opt_mi) { |
450 | /* Mi print */ | |
5cdb6027 | 451 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
452 | if (ret) { |
453 | ret = CMD_ERROR; | |
454 | goto error; | |
3c6a091f | 455 | } |
fb14d0d8 JR |
456 | } else { |
457 | /* Pretty print */ | |
5cdb6027 DG |
458 | MSG("%s events (Logger name):\n-------------------------", |
459 | agent_domain_str); | |
3c6a091f | 460 | |
fb14d0d8 JR |
461 | if (size == 0) { |
462 | MSG("None"); | |
463 | } | |
3c6a091f | 464 | |
fb14d0d8 JR |
465 | for (i = 0; i < size; i++) { |
466 | if (cur_pid != event_list[i].pid) { | |
467 | cur_pid = event_list[i].pid; | |
468 | cmdline = get_cmdline_by_pid(cur_pid); | |
469 | if (cmdline == NULL) { | |
470 | ret = CMD_ERROR; | |
471 | goto error; | |
472 | } | |
473 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
474 | free(cmdline); | |
475 | } | |
476 | MSG("%s- %s", indent6, event_list[i].name); | |
477 | } | |
3c6a091f | 478 | |
fb14d0d8 JR |
479 | MSG(""); |
480 | } | |
3c6a091f DG |
481 | |
482 | error: | |
fb14d0d8 JR |
483 | free(event_list); |
484 | end: | |
3c6a091f | 485 | lttng_destroy_handle(handle); |
fb14d0d8 | 486 | return ret; |
3c6a091f DG |
487 | } |
488 | ||
b551a063 DG |
489 | /* |
490 | * Ask session daemon for all user space tracepoints available. | |
491 | */ | |
492 | static int list_ust_events(void) | |
493 | { | |
fb14d0d8 | 494 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
495 | struct lttng_domain domain; |
496 | struct lttng_handle *handle; | |
497 | struct lttng_event *event_list; | |
498 | pid_t cur_pid = 0; | |
ea5cbc00 | 499 | char *cmdline = NULL; |
b551a063 | 500 | |
441c16a7 MD |
501 | memset(&domain, 0, sizeof(domain)); |
502 | ||
b551a063 DG |
503 | DBG("Getting UST tracing events"); |
504 | ||
505 | domain.type = LTTNG_DOMAIN_UST; | |
506 | ||
507 | handle = lttng_create_handle(NULL, &domain); | |
508 | if (handle == NULL) { | |
fb14d0d8 JR |
509 | ret = CMD_ERROR; |
510 | goto end; | |
b551a063 DG |
511 | } |
512 | ||
513 | size = lttng_list_tracepoints(handle, &event_list); | |
514 | if (size < 0) { | |
60e835ca | 515 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
fb14d0d8 JR |
516 | ret = CMD_ERROR; |
517 | goto error; | |
b551a063 DG |
518 | } |
519 | ||
fb14d0d8 JR |
520 | if (lttng_opt_mi) { |
521 | /* Mi print */ | |
5cdb6027 | 522 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
523 | } else { |
524 | /* Pretty print */ | |
525 | MSG("UST events:\n-------------"); | |
526 | ||
527 | if (size == 0) { | |
528 | MSG("None"); | |
529 | } | |
530 | ||
531 | for (i = 0; i < size; i++) { | |
532 | if (cur_pid != event_list[i].pid) { | |
533 | cur_pid = event_list[i].pid; | |
534 | cmdline = get_cmdline_by_pid(cur_pid); | |
535 | if (cmdline == NULL) { | |
536 | ret = CMD_ERROR; | |
537 | goto error; | |
538 | } | |
539 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
540 | free(cmdline); | |
541 | } | |
542 | print_events(&event_list[i]); | |
543 | } | |
b551a063 | 544 | |
fb14d0d8 | 545 | MSG(""); |
b551a063 DG |
546 | } |
547 | ||
fb14d0d8 JR |
548 | error: |
549 | free(event_list); | |
550 | end: | |
551 | lttng_destroy_handle(handle); | |
552 | return ret; | |
553 | } | |
554 | ||
555 | /* | |
556 | * Machine interface | |
557 | * List all ust event with their fields | |
558 | */ | |
559 | static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count, | |
560 | struct lttng_domain *domain) | |
561 | { | |
562 | int ret, i; | |
563 | pid_t cur_pid = 0; | |
564 | char *cmdline = NULL; | |
565 | int pid_element_open = 0; | |
566 | int event_element_open = 0; | |
567 | struct lttng_event cur_event; | |
568 | ||
569 | /* Open domains element */ | |
570 | ret = mi_lttng_domains_open(writer); | |
571 | if (ret) { | |
572 | goto end; | |
573 | } | |
574 | ||
575 | /* Write domain */ | |
576 | ret = mi_lttng_domain(writer, domain, 1); | |
577 | if (ret) { | |
578 | goto end; | |
579 | } | |
580 | ||
581 | /* Open pids element */ | |
582 | ret = mi_lttng_pids_open(writer); | |
583 | if (ret) { | |
584 | goto end; | |
585 | } | |
586 | ||
587 | for (i = 0; i < count; i++) { | |
588 | if (cur_pid != fields[i].event.pid) { | |
589 | if (pid_element_open) { | |
590 | if (event_element_open) { | |
485ca16f DG |
591 | |
592 | /* Close the previous field element and event. */ | |
fb14d0d8 JR |
593 | ret = mi_lttng_close_multi_element(writer, 2); |
594 | if (ret) { | |
595 | goto end; | |
596 | } | |
597 | event_element_open = 0; | |
598 | } | |
599 | /* Close the previous events, pid element */ | |
600 | ret = mi_lttng_close_multi_element(writer, 2); | |
601 | if (ret) { | |
602 | goto end; | |
603 | } | |
604 | pid_element_open = 0; | |
605 | } | |
606 | ||
607 | cur_pid = fields[i].event.pid; | |
ea5cbc00 | 608 | cmdline = get_cmdline_by_pid(cur_pid); |
fb14d0d8 JR |
609 | if (!pid_element_open) { |
610 | /* Open and write a pid element */ | |
611 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); | |
612 | if (ret) { | |
613 | goto error; | |
614 | } | |
615 | ||
616 | /* Open events element */ | |
617 | ret = mi_lttng_events_open(writer); | |
618 | if (ret) { | |
619 | goto error; | |
620 | } | |
621 | pid_element_open = 1; | |
622 | } | |
ea5cbc00 | 623 | free(cmdline); |
fb14d0d8 JR |
624 | /* Wipe current event since we are about to print a new PID. */ |
625 | memset(&cur_event, 0, sizeof(cur_event)); | |
b551a063 | 626 | } |
b551a063 | 627 | |
fb14d0d8 JR |
628 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
629 | if (event_element_open) { | |
630 | /* Close the previous fields element and the previous event */ | |
631 | ret = mi_lttng_close_multi_element(writer, 2); | |
632 | if (ret) { | |
633 | goto end; | |
634 | } | |
635 | event_element_open = 0; | |
636 | } | |
637 | ||
638 | memcpy(&cur_event, &fields[i].event, | |
639 | sizeof(cur_event)); | |
b551a063 | 640 | |
fb14d0d8 JR |
641 | if (!event_element_open) { |
642 | /* Open and write the event */ | |
643 | ret = mi_lttng_event(writer, &cur_event, 1); | |
644 | if (ret) { | |
645 | goto end; | |
646 | } | |
647 | ||
648 | /* Open a fields element */ | |
649 | ret = mi_lttng_event_fields_open(writer); | |
650 | if (ret) { | |
651 | goto end; | |
652 | } | |
653 | event_element_open = 1; | |
654 | } | |
655 | } | |
b551a063 | 656 | |
fb14d0d8 JR |
657 | /* Print the event_field */ |
658 | ret = mi_lttng_event_field(writer, &fields[i]); | |
659 | if (ret) { | |
660 | goto end; | |
661 | } | |
662 | } | |
b551a063 | 663 | |
fb14d0d8 JR |
664 | /* Close pids, domain, domains */ |
665 | ret = mi_lttng_close_multi_element(writer, 3); | |
666 | end: | |
667 | return ret; | |
b551a063 | 668 | error: |
fb14d0d8 JR |
669 | free(cmdline); |
670 | return ret; | |
b551a063 | 671 | } |
f3ed775e | 672 | |
f37d259d MD |
673 | /* |
674 | * Ask session daemon for all user space tracepoint fields available. | |
675 | */ | |
676 | static int list_ust_event_fields(void) | |
677 | { | |
fb14d0d8 | 678 | int i, size, ret = CMD_SUCCESS; |
f37d259d MD |
679 | struct lttng_domain domain; |
680 | struct lttng_handle *handle; | |
681 | struct lttng_event_field *event_field_list; | |
682 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
683 | char *cmdline = NULL; |
684 | ||
f37d259d MD |
685 | struct lttng_event cur_event; |
686 | ||
687 | memset(&domain, 0, sizeof(domain)); | |
688 | memset(&cur_event, 0, sizeof(cur_event)); | |
689 | ||
690 | DBG("Getting UST tracing event fields"); | |
691 | ||
692 | domain.type = LTTNG_DOMAIN_UST; | |
693 | ||
694 | handle = lttng_create_handle(NULL, &domain); | |
695 | if (handle == NULL) { | |
fb14d0d8 JR |
696 | ret = CMD_ERROR; |
697 | goto end; | |
f37d259d MD |
698 | } |
699 | ||
700 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
701 | if (size < 0) { | |
60e835ca | 702 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
fb14d0d8 JR |
703 | ret = CMD_ERROR; |
704 | goto end; | |
f37d259d MD |
705 | } |
706 | ||
fb14d0d8 JR |
707 | if (lttng_opt_mi) { |
708 | /* Mi print */ | |
709 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); | |
710 | if (ret) { | |
711 | ret = CMD_ERROR; | |
712 | goto error; | |
713 | } | |
714 | } else { | |
715 | /* Pretty print */ | |
716 | MSG("UST events:\n-------------"); | |
f37d259d | 717 | |
fb14d0d8 JR |
718 | if (size == 0) { |
719 | MSG("None"); | |
f37d259d | 720 | } |
fb14d0d8 JR |
721 | |
722 | for (i = 0; i < size; i++) { | |
723 | if (cur_pid != event_field_list[i].event.pid) { | |
724 | cur_pid = event_field_list[i].event.pid; | |
725 | cmdline = get_cmdline_by_pid(cur_pid); | |
726 | if (cmdline == NULL) { | |
727 | ret = CMD_ERROR; | |
728 | goto error; | |
729 | } | |
730 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
731 | free(cmdline); | |
732 | /* Wipe current event since we are about to print a new PID. */ | |
733 | memset(&cur_event, 0, sizeof(cur_event)); | |
734 | } | |
735 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
736 | print_events(&event_field_list[i].event); | |
737 | memcpy(&cur_event, &event_field_list[i].event, | |
738 | sizeof(cur_event)); | |
739 | } | |
740 | print_event_field(&event_field_list[i]); | |
f37d259d | 741 | } |
f37d259d | 742 | |
fb14d0d8 JR |
743 | MSG(""); |
744 | } | |
f37d259d | 745 | |
fb14d0d8 | 746 | error: |
f37d259d | 747 | free(event_field_list); |
fb14d0d8 | 748 | end: |
f37d259d | 749 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
750 | return ret; |
751 | } | |
f37d259d | 752 | |
fb14d0d8 JR |
753 | /* |
754 | * Machine interface | |
755 | * Print a list of kernel events | |
756 | */ | |
757 | static int mi_list_kernel_events(struct lttng_event *events, int count, | |
758 | struct lttng_domain *domain) | |
759 | { | |
760 | int ret, i; | |
f37d259d | 761 | |
fb14d0d8 JR |
762 | /* Open domains element */ |
763 | ret = mi_lttng_domains_open(writer); | |
764 | if (ret) { | |
765 | goto end; | |
766 | } | |
767 | ||
768 | /* Write domain */ | |
769 | ret = mi_lttng_domain(writer, domain, 1); | |
770 | if (ret) { | |
771 | goto end; | |
772 | } | |
773 | ||
774 | /* Open events */ | |
775 | ret = mi_lttng_events_open(writer); | |
776 | if (ret) { | |
777 | goto end; | |
778 | } | |
779 | ||
780 | for (i = 0; i < count; i++) { | |
d58bb917 | 781 | ret = mi_lttng_event(writer, &events[i], 0); |
fb14d0d8 JR |
782 | if (ret) { |
783 | goto end; | |
784 | } | |
785 | } | |
786 | ||
787 | /* close events, domain and domains */ | |
788 | ret = mi_lttng_close_multi_element(writer, 3); | |
789 | if (ret) { | |
790 | goto end; | |
791 | } | |
792 | ||
793 | end: | |
794 | return ret; | |
f37d259d MD |
795 | } |
796 | ||
f3ed775e | 797 | /* |
fb14d0d8 | 798 | * Ask for all trace events in the kernel |
f3ed775e | 799 | */ |
9f19cc17 | 800 | static int list_kernel_events(void) |
f3ed775e | 801 | { |
fb14d0d8 | 802 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
803 | struct lttng_domain domain; |
804 | struct lttng_handle *handle; | |
9f19cc17 | 805 | struct lttng_event *event_list; |
f3ed775e | 806 | |
441c16a7 MD |
807 | memset(&domain, 0, sizeof(domain)); |
808 | ||
b551a063 DG |
809 | DBG("Getting kernel tracing events"); |
810 | ||
811 | domain.type = LTTNG_DOMAIN_KERNEL; | |
812 | ||
813 | handle = lttng_create_handle(NULL, &domain); | |
814 | if (handle == NULL) { | |
fb14d0d8 | 815 | ret = CMD_ERROR; |
b551a063 DG |
816 | goto error; |
817 | } | |
f3ed775e | 818 | |
cd80958d | 819 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 820 | if (size < 0) { |
60e835ca | 821 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 822 | lttng_destroy_handle(handle); |
fb14d0d8 | 823 | return CMD_ERROR; |
f3ed775e DG |
824 | } |
825 | ||
fb14d0d8 JR |
826 | if (lttng_opt_mi) { |
827 | /* Mi print */ | |
828 | ret = mi_list_kernel_events(event_list, size, &domain); | |
829 | if (ret) { | |
830 | ret = CMD_ERROR; | |
831 | goto end; | |
832 | } | |
833 | } else { | |
834 | MSG("Kernel events:\n-------------"); | |
f3ed775e | 835 | |
fb14d0d8 JR |
836 | for (i = 0; i < size; i++) { |
837 | print_events(&event_list[i]); | |
838 | } | |
f3ed775e | 839 | |
fb14d0d8 JR |
840 | MSG(""); |
841 | } | |
b551a063 | 842 | |
fb14d0d8 | 843 | end: |
f3ed775e DG |
844 | free(event_list); |
845 | ||
ef021732 | 846 | lttng_destroy_handle(handle); |
fb14d0d8 | 847 | return ret; |
b551a063 DG |
848 | |
849 | error: | |
ef021732 | 850 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
851 | return ret; |
852 | } | |
853 | ||
834978fd DG |
854 | /* |
855 | * Machine interface | |
856 | * Print a list of system calls. | |
857 | */ | |
858 | static int mi_list_syscalls(struct lttng_event *events, int count) | |
859 | { | |
860 | int ret, i; | |
861 | ||
862 | /* Open events */ | |
863 | ret = mi_lttng_events_open(writer); | |
864 | if (ret) { | |
865 | goto end; | |
866 | } | |
867 | ||
868 | for (i = 0; i < count; i++) { | |
869 | ret = mi_lttng_event(writer, &events[i], 0); | |
870 | if (ret) { | |
871 | goto end; | |
872 | } | |
873 | } | |
874 | ||
875 | /* Close events. */ | |
876 | ret = mi_lttng_writer_close_element(writer); | |
877 | if (ret) { | |
878 | goto end; | |
879 | } | |
880 | ||
881 | end: | |
882 | return ret; | |
883 | } | |
884 | ||
885 | /* | |
886 | * Ask for kernel system calls. | |
887 | */ | |
888 | static int list_syscalls(void) | |
889 | { | |
890 | int i, size, ret = CMD_SUCCESS; | |
891 | struct lttng_event *event_list; | |
892 | ||
893 | DBG("Getting kernel system call events"); | |
894 | ||
895 | size = lttng_list_syscalls(&event_list); | |
896 | if (size < 0) { | |
897 | ERR("Unable to list system calls: %s", lttng_strerror(size)); | |
898 | ret = CMD_ERROR; | |
899 | goto error; | |
900 | } | |
901 | ||
902 | if (lttng_opt_mi) { | |
903 | /* Mi print */ | |
904 | ret = mi_list_syscalls(event_list, size); | |
905 | if (ret) { | |
906 | ret = CMD_ERROR; | |
907 | goto end; | |
908 | } | |
909 | } else { | |
910 | MSG("System calls:\n-------------"); | |
911 | ||
912 | for (i = 0; i < size; i++) { | |
913 | print_events(&event_list[i]); | |
914 | } | |
915 | ||
916 | MSG(""); | |
917 | } | |
918 | ||
919 | end: | |
920 | free(event_list); | |
921 | return ret; | |
922 | ||
923 | error: | |
924 | return ret; | |
925 | } | |
926 | ||
fb14d0d8 JR |
927 | /* |
928 | * Machine Interface | |
5cdb6027 | 929 | * Print a list of agent events |
fb14d0d8 | 930 | */ |
5cdb6027 | 931 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
fb14d0d8 JR |
932 | { |
933 | int ret, i; | |
934 | ||
935 | /* Open events element */ | |
936 | ret = mi_lttng_events_open(writer); | |
937 | if (ret) { | |
938 | goto end; | |
939 | } | |
940 | ||
941 | for (i = 0; i < count; i++) { | |
942 | ret = mi_lttng_event(writer, &events[i], 0); | |
943 | if (ret) { | |
944 | goto end; | |
945 | } | |
946 | } | |
947 | ||
948 | /* Close events element */ | |
949 | ret = mi_lttng_writer_close_element(writer); | |
950 | ||
951 | end: | |
952 | return ret; | |
f3ed775e DG |
953 | } |
954 | ||
3c6a091f | 955 | /* |
5cdb6027 | 956 | * List agent events for a specific session using the handle. |
3c6a091f DG |
957 | * |
958 | * Return CMD_SUCCESS on success else a negative value. | |
959 | */ | |
5cdb6027 | 960 | static int list_session_agent_events(void) |
3c6a091f | 961 | { |
fb14d0d8 | 962 | int ret = CMD_SUCCESS, count, i; |
3c6a091f DG |
963 | struct lttng_event *events = NULL; |
964 | ||
965 | count = lttng_list_events(handle, "", &events); | |
966 | if (count < 0) { | |
fb14d0d8 JR |
967 | ret = CMD_ERROR; |
968 | ERR("%s", lttng_strerror(count)); | |
3c6a091f DG |
969 | goto error; |
970 | } | |
971 | ||
fb14d0d8 JR |
972 | if (lttng_opt_mi) { |
973 | /* Mi print */ | |
5cdb6027 | 974 | ret = mi_list_session_agent_events(events, count); |
fb14d0d8 JR |
975 | if (ret) { |
976 | ret = CMD_ERROR; | |
977 | goto end; | |
978 | } | |
979 | } else { | |
980 | /* Pretty print */ | |
981 | MSG("Events (Logger name):\n---------------------"); | |
982 | if (count == 0) { | |
983 | MSG("%sNone\n", indent6); | |
984 | goto end; | |
985 | } | |
986 | ||
987 | for (i = 0; i < count; i++) { | |
988 | MSG("%s- %s%s (loglevel%s %s)", indent4, events[i].name, | |
989 | enabled_string(events[i].enabled), | |
990 | logleveltype_string(events[i].loglevel_type), | |
136f2f81 | 991 | mi_lttng_loglevel_string(events[i].loglevel)); |
fb14d0d8 JR |
992 | } |
993 | ||
994 | MSG(""); | |
995 | } | |
996 | ||
997 | end: | |
998 | free(events); | |
999 | error: | |
1000 | return ret; | |
1001 | } | |
1002 | ||
1003 | /* | |
1004 | * Machine interface | |
1005 | * print a list of event | |
1006 | */ | |
1007 | static int mi_list_events(struct lttng_event *events, int count) | |
1008 | { | |
1009 | int ret, i; | |
1010 | ||
1011 | /* Open events element */ | |
1012 | ret = mi_lttng_events_open(writer); | |
1013 | if (ret) { | |
3c6a091f DG |
1014 | goto end; |
1015 | } | |
1016 | ||
1017 | for (i = 0; i < count; i++) { | |
fb14d0d8 JR |
1018 | ret = mi_lttng_event(writer, &events[i], 0); |
1019 | if (ret) { | |
1020 | goto end; | |
1021 | } | |
3c6a091f DG |
1022 | } |
1023 | ||
fb14d0d8 JR |
1024 | /* Close events element */ |
1025 | ret = mi_lttng_writer_close_element(writer); | |
3c6a091f DG |
1026 | |
1027 | end: | |
3c6a091f DG |
1028 | return ret; |
1029 | } | |
1030 | ||
f3ed775e | 1031 | /* |
9f19cc17 | 1032 | * List events of channel of session and domain. |
f3ed775e | 1033 | */ |
cd80958d | 1034 | static int list_events(const char *channel_name) |
f3ed775e | 1035 | { |
fb14d0d8 | 1036 | int ret = CMD_SUCCESS, count, i; |
9f19cc17 | 1037 | struct lttng_event *events = NULL; |
f3ed775e | 1038 | |
cd80958d | 1039 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e | 1040 | if (count < 0) { |
fb14d0d8 JR |
1041 | ret = CMD_ERROR; |
1042 | ERR("%s", lttng_strerror(count)); | |
f3ed775e DG |
1043 | goto error; |
1044 | } | |
1045 | ||
fb14d0d8 JR |
1046 | if (lttng_opt_mi) { |
1047 | /* Mi print */ | |
1048 | ret = mi_list_events(events, count); | |
1049 | if (ret) { | |
1050 | ret = CMD_ERROR; | |
1051 | goto end; | |
1052 | } | |
1053 | } else { | |
1054 | /* Pretty print */ | |
1055 | MSG("\n%sEvents:", indent4); | |
1056 | if (count == 0) { | |
1057 | MSG("%sNone\n", indent6); | |
1058 | goto end; | |
1059 | } | |
f3ed775e | 1060 | |
fb14d0d8 JR |
1061 | for (i = 0; i < count; i++) { |
1062 | print_events(&events[i]); | |
1063 | } | |
f3ed775e | 1064 | |
fb14d0d8 JR |
1065 | MSG(""); |
1066 | } | |
9f19cc17 | 1067 | end: |
0e428499 | 1068 | free(events); |
f3ed775e DG |
1069 | error: |
1070 | return ret; | |
1071 | } | |
1072 | ||
1073 | /* | |
9f19cc17 DG |
1074 | * Pretty print channel |
1075 | */ | |
1076 | static void print_channel(struct lttng_channel *channel) | |
1077 | { | |
464dd62d | 1078 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
1079 | |
1080 | MSG("%sAttributes:", indent4); | |
a5bbe8f6 DG |
1081 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); |
1082 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
9f19cc17 | 1083 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); |
a5bbe8f6 DG |
1084 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); |
1085 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
2f785fe7 DG |
1086 | MSG("%strace file count: %" PRIu64, indent6, channel->attr.tracefile_count); |
1087 | MSG("%strace file size (bytes): %" PRIu64, indent6, channel->attr.tracefile_size); | |
9f19cc17 DG |
1088 | switch (channel->attr.output) { |
1089 | case LTTNG_EVENT_SPLICE: | |
1090 | MSG("%soutput: splice()", indent6); | |
1091 | break; | |
1092 | case LTTNG_EVENT_MMAP: | |
1093 | MSG("%soutput: mmap()", indent6); | |
1094 | break; | |
1095 | } | |
1096 | } | |
1097 | ||
fb14d0d8 JR |
1098 | /* |
1099 | * Machine interface | |
1100 | * Print a list of channel | |
1101 | * | |
1102 | */ | |
1103 | static int mi_list_channels(struct lttng_channel *channels, int count, | |
1104 | const char *channel_name) | |
1105 | { | |
1106 | int i, ret; | |
1107 | unsigned int chan_found = 0; | |
1108 | ||
1109 | /* Open channels element */ | |
1110 | ret = mi_lttng_channels_open(writer); | |
1111 | if (ret) { | |
1112 | goto error; | |
1113 | } | |
1114 | ||
1115 | for (i = 0; i < count; i++) { | |
1116 | if (channel_name != NULL) { | |
1117 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1118 | chan_found = 1; | |
1119 | } else { | |
1120 | continue; | |
1121 | } | |
1122 | } | |
1123 | ||
1124 | /* Write channel element and leave it open */ | |
1125 | ret = mi_lttng_channel(writer, &channels[i], 1); | |
1126 | if (ret) { | |
1127 | goto error; | |
1128 | } | |
1129 | ||
1130 | /* Listing events per channel */ | |
1131 | ret = list_events(channels[i].name); | |
1132 | if (ret) { | |
1133 | goto error; | |
1134 | } | |
1135 | ||
1136 | /* Closing the channel element we opened earlier */ | |
1137 | ret = mi_lttng_writer_close_element(writer); | |
1138 | if (ret) { | |
1139 | goto error; | |
1140 | } | |
1141 | ||
1142 | if (chan_found) { | |
1143 | break; | |
1144 | } | |
1145 | } | |
1146 | ||
1147 | /* Close channels element */ | |
1148 | ret = mi_lttng_writer_close_element(writer); | |
1149 | if (ret) { | |
1150 | goto error; | |
1151 | } | |
1152 | ||
1153 | error: | |
1154 | return ret; | |
1155 | } | |
1156 | ||
9f19cc17 DG |
1157 | /* |
1158 | * List channel(s) of session and domain. | |
f3ed775e | 1159 | * |
9f19cc17 | 1160 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 1161 | */ |
cd80958d | 1162 | static int list_channels(const char *channel_name) |
f3ed775e | 1163 | { |
9f19cc17 DG |
1164 | int count, i, ret = CMD_SUCCESS; |
1165 | unsigned int chan_found = 0; | |
1166 | struct lttng_channel *channels = NULL; | |
f3ed775e | 1167 | |
3e25cb20 | 1168 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 1169 | |
cd80958d | 1170 | count = lttng_list_channels(handle, &channels); |
f3ed775e | 1171 | if (count < 0) { |
c7d620a2 DG |
1172 | switch (-count) { |
1173 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
fb14d0d8 JR |
1174 | if (lttng_opt_mi) { |
1175 | /* When printing mi this is not an error | |
1176 | * but an empty channels element */ | |
1177 | count = 0; | |
1178 | } else { | |
1179 | ret = CMD_SUCCESS; | |
1180 | WARN("No kernel channel"); | |
1181 | goto error_channels; | |
1182 | } | |
c7d620a2 DG |
1183 | break; |
1184 | default: | |
1185 | /* We had a real error */ | |
fb14d0d8 JR |
1186 | ret = CMD_ERROR; |
1187 | ERR("%s", lttng_strerror(count)); | |
1188 | goto error_channels; | |
60e835ca | 1189 | break; |
c7d620a2 | 1190 | } |
f3ed775e DG |
1191 | } |
1192 | ||
fb14d0d8 JR |
1193 | if (lttng_opt_mi) { |
1194 | /* Mi print */ | |
1195 | ret = mi_list_channels(channels, count, channel_name); | |
1196 | if (ret) { | |
1197 | ret = CMD_ERROR; | |
1198 | goto error; | |
1199 | } | |
1200 | } else { | |
1201 | /* Pretty print */ | |
1202 | if (channel_name == NULL) { | |
1203 | MSG("Channels:\n-------------"); | |
1204 | } | |
9f19cc17 | 1205 | |
fb14d0d8 JR |
1206 | for (i = 0; i < count; i++) { |
1207 | if (channel_name != NULL) { | |
1208 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1209 | chan_found = 1; | |
1210 | } else { | |
1211 | continue; | |
1212 | } | |
1213 | } | |
1214 | print_channel(&channels[i]); | |
1215 | ||
1216 | /* Listing events per channel */ | |
1217 | ret = list_events(channels[i].name); | |
1218 | if (ret) { | |
1219 | goto error; | |
1220 | } | |
1221 | ||
1222 | if (chan_found) { | |
1223 | break; | |
9f19cc17 DG |
1224 | } |
1225 | } | |
9f19cc17 | 1226 | |
fb14d0d8 JR |
1227 | if (!chan_found && channel_name != NULL) { |
1228 | ret = CMD_ERROR; | |
1229 | ERR("Channel %s not found", channel_name); | |
1230 | goto error; | |
9f19cc17 | 1231 | } |
fb14d0d8 JR |
1232 | } |
1233 | error: | |
1234 | free(channels); | |
9f19cc17 | 1235 | |
fb14d0d8 JR |
1236 | error_channels: |
1237 | return ret; | |
1238 | } | |
1239 | ||
1240 | /* | |
1241 | * Machine interface | |
1242 | * Find the session with session_name as name | |
1243 | * and print his informations. | |
1244 | */ | |
1245 | static int mi_list_session(const char *session_name, | |
1246 | struct lttng_session *sessions, int count) | |
1247 | { | |
1248 | int ret, i; | |
1249 | unsigned int session_found = 0; | |
1250 | ||
1251 | if (session_name == NULL) { | |
1252 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1253 | goto end; | |
1254 | } | |
1255 | ||
1256 | for (i = 0; i < count; i++) { | |
1257 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1258 | /* We need to leave it open to append other informations | |
1259 | * like domain, channel, events etc.*/ | |
1260 | session_found = 1; | |
1261 | ret = mi_lttng_session(writer, &sessions[i], 1); | |
1262 | if (ret) { | |
1263 | goto end; | |
1264 | } | |
9f19cc17 | 1265 | break; |
f3ed775e | 1266 | } |
f3ed775e DG |
1267 | } |
1268 | ||
fb14d0d8 JR |
1269 | if (!session_found) { |
1270 | ERR("Session '%s' not found", session_name); | |
1271 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1272 | goto end; | |
9f19cc17 | 1273 | } |
f3ed775e | 1274 | |
fb14d0d8 JR |
1275 | end: |
1276 | return ret; | |
1277 | } | |
f3ed775e | 1278 | |
fb14d0d8 JR |
1279 | /* |
1280 | * Machine interface | |
1281 | * List all availables session | |
1282 | */ | |
1283 | static int mi_list_sessions(struct lttng_session *sessions, int count) | |
1284 | { | |
1285 | int ret, i; | |
ae856491 | 1286 | |
fb14d0d8 JR |
1287 | /* Opening sessions element */ |
1288 | ret = mi_lttng_sessions_open(writer); | |
1289 | if (ret) { | |
1290 | goto end; | |
1291 | } | |
1292 | ||
1293 | /* Listing sessions */ | |
1294 | for (i = 0; i < count; i++) { | |
1295 | ret = mi_lttng_session(writer, &sessions[i], 0); | |
1296 | if (ret) { | |
1297 | goto end; | |
1298 | } | |
1299 | } | |
1300 | ||
1301 | /* Closing sessions element */ | |
1302 | ret = mi_lttng_writer_close_element(writer); | |
1303 | if (ret) { | |
1304 | goto end; | |
1305 | } | |
1306 | ||
1307 | end: | |
f3ed775e DG |
1308 | return ret; |
1309 | } | |
1310 | ||
1311 | /* | |
9f19cc17 | 1312 | * List available tracing session. List only basic information. |
f3ed775e | 1313 | * |
9f19cc17 | 1314 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 1315 | */ |
9f19cc17 | 1316 | static int list_sessions(const char *session_name) |
f3ed775e | 1317 | { |
fb14d0d8 JR |
1318 | int ret = CMD_SUCCESS; |
1319 | int count, i; | |
9f19cc17 DG |
1320 | unsigned int session_found = 0; |
1321 | struct lttng_session *sessions; | |
1322 | ||
1323 | count = lttng_list_sessions(&sessions); | |
1324 | DBG("Session count %d", count); | |
1325 | if (count < 0) { | |
fb14d0d8 JR |
1326 | ret = CMD_ERROR; |
1327 | ERR("%s", lttng_strerror(count)); | |
d32fb093 | 1328 | goto end; |
9f19cc17 DG |
1329 | } |
1330 | ||
fb14d0d8 JR |
1331 | if (lttng_opt_mi) { |
1332 | /* Mi */ | |
1333 | if (session_name == NULL) { | |
1334 | /* List all session */ | |
1335 | ret = mi_list_sessions(sessions, count); | |
1336 | } else { | |
1337 | /* Note : this return an open session element */ | |
1338 | ret = mi_list_session(session_name, sessions, count); | |
1339 | } | |
1340 | if (ret) { | |
1341 | ret = CMD_ERROR; | |
1342 | goto error; | |
1343 | } | |
1344 | } else { | |
1345 | /* Pretty print */ | |
1346 | if (count == 0) { | |
1347 | MSG("Currently no available tracing session"); | |
fb14d0d8 JR |
1348 | goto end; |
1349 | } | |
9f19cc17 | 1350 | |
fb14d0d8 JR |
1351 | if (session_name == NULL) { |
1352 | MSG("Available tracing sessions:"); | |
1353 | } | |
1354 | ||
1355 | ||
1356 | for (i = 0; i < count; i++) { | |
1357 | if (session_name != NULL) { | |
1358 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1359 | session_found = 1; | |
1360 | MSG("Tracing session %s: [%s%s]", session_name, | |
1361 | active_string(sessions[i].enabled), | |
1362 | snapshot_string(sessions[i].snapshot_mode)); | |
1363 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); | |
1364 | break; | |
1365 | } | |
1366 | } else { | |
1367 | MSG(" %d) %s (%s) [%s%s]", i + 1, | |
1368 | sessions[i].name, sessions[i].path, | |
2cbf8fed DG |
1369 | active_string(sessions[i].enabled), |
1370 | snapshot_string(sessions[i].snapshot_mode)); | |
2f785fe7 DG |
1371 | MSG("%sTrace path: %s", indent4, sessions[i].path); |
1372 | MSG("%sLive timer interval (usec): %u\n", indent4, | |
1373 | sessions[i].live_timer_interval); | |
9f19cc17 | 1374 | } |
fb14d0d8 JR |
1375 | } |
1376 | ||
1377 | if (!session_found && session_name != NULL) { | |
1378 | ERR("Session '%s' not found", session_name); | |
1379 | ret = CMD_ERROR; | |
1380 | goto error; | |
1381 | } | |
1382 | ||
1383 | if (session_name == NULL) { | |
1384 | MSG("\nUse lttng list <session_name> for more details"); | |
9f19cc17 DG |
1385 | } |
1386 | } | |
1387 | ||
fb14d0d8 | 1388 | error: |
9f19cc17 | 1389 | free(sessions); |
fb14d0d8 JR |
1390 | end: |
1391 | return ret; | |
1392 | } | |
9f19cc17 | 1393 | |
fb14d0d8 JR |
1394 | |
1395 | /* | |
1396 | * Machine Interface | |
1397 | * list available domain(s) for a session. | |
1398 | */ | |
1399 | static int mi_list_domains(struct lttng_domain *domains, int count) | |
1400 | { | |
1401 | int i, ret; | |
1402 | /* Open domains element */ | |
1403 | ret = mi_lttng_domains_open(writer); | |
1404 | if (ret) { | |
1405 | goto end; | |
9f19cc17 DG |
1406 | } |
1407 | ||
fb14d0d8 JR |
1408 | for (i = 0; i < count; i++) { |
1409 | ret = mi_lttng_domain(writer, &domains[i] , 0); | |
1410 | if (ret) { | |
1411 | goto end; | |
1412 | } | |
9f19cc17 | 1413 | } |
f3ed775e | 1414 | |
fb14d0d8 JR |
1415 | /* Closing domains element */ |
1416 | ret = mi_lttng_writer_close_element(writer); | |
1417 | if (ret) { | |
1418 | goto end; | |
1419 | } | |
d32fb093 | 1420 | end: |
f3ed775e DG |
1421 | return ret; |
1422 | } | |
f3ed775e DG |
1423 | |
1424 | /* | |
9f19cc17 | 1425 | * List available domain(s) for a session. |
f3ed775e | 1426 | */ |
330be774 | 1427 | static int list_domains(const char *session_name) |
f3ed775e | 1428 | { |
9f19cc17 DG |
1429 | int i, count, ret = CMD_SUCCESS; |
1430 | struct lttng_domain *domains = NULL; | |
1431 | ||
9f19cc17 | 1432 | |
330be774 | 1433 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 | 1434 | if (count < 0) { |
fb14d0d8 JR |
1435 | ret = CMD_ERROR; |
1436 | ERR("%s", lttng_strerror(count)); | |
9f19cc17 DG |
1437 | goto end; |
1438 | } | |
1439 | ||
fb14d0d8 JR |
1440 | if (lttng_opt_mi) { |
1441 | /* Mi output */ | |
1442 | ret = mi_list_domains(domains, count); | |
1443 | if (ret) { | |
1444 | ret = CMD_ERROR; | |
1445 | goto error; | |
1446 | } | |
1447 | } else { | |
1448 | /* Pretty print */ | |
1449 | MSG("Domains:\n-------------"); | |
1450 | if (count == 0) { | |
1451 | MSG(" None"); | |
1452 | goto end; | |
1453 | } | |
1454 | ||
1455 | for (i = 0; i < count; i++) { | |
1456 | switch (domains[i].type) { | |
1457 | case LTTNG_DOMAIN_KERNEL: | |
1458 | MSG(" - Kernel"); | |
1459 | break; | |
1460 | case LTTNG_DOMAIN_UST: | |
1461 | MSG(" - UST global"); | |
1462 | break; | |
1463 | case LTTNG_DOMAIN_JUL: | |
1464 | MSG(" - JUL (Java Util Logging)"); | |
1465 | break; | |
5cdb6027 DG |
1466 | case LTTNG_DOMAIN_LOG4J: |
1467 | MSG(" - LOG4j (Logging for Java)"); | |
1468 | break; | |
fb14d0d8 JR |
1469 | default: |
1470 | break; | |
1471 | } | |
9f19cc17 DG |
1472 | } |
1473 | } | |
1474 | ||
fb14d0d8 | 1475 | error: |
9f19cc17 DG |
1476 | free(domains); |
1477 | ||
fb14d0d8 | 1478 | end: |
9f19cc17 | 1479 | return ret; |
f3ed775e | 1480 | } |
f3ed775e DG |
1481 | |
1482 | /* | |
9f19cc17 | 1483 | * The 'list <options>' first level command |
f3ed775e DG |
1484 | */ |
1485 | int cmd_list(int argc, const char **argv) | |
1486 | { | |
c617c0c6 | 1487 | int opt, ret = CMD_SUCCESS; |
9f19cc17 | 1488 | const char *session_name; |
f3ed775e | 1489 | static poptContext pc; |
9f19cc17 DG |
1490 | struct lttng_domain domain; |
1491 | struct lttng_domain *domains = NULL; | |
f3ed775e | 1492 | |
441c16a7 MD |
1493 | memset(&domain, 0, sizeof(domain)); |
1494 | ||
9f19cc17 | 1495 | if (argc < 1) { |
f3ed775e | 1496 | usage(stderr); |
ca1c3607 | 1497 | ret = CMD_ERROR; |
f3ed775e DG |
1498 | goto end; |
1499 | } | |
1500 | ||
1501 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
1502 | poptReadDefaultConfig(pc, 0); | |
1503 | ||
1504 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
1505 | switch (opt) { | |
1506 | case OPT_HELP: | |
ca1c3607 | 1507 | usage(stdout); |
f3ed775e | 1508 | goto end; |
eeac7d46 MD |
1509 | case OPT_USERSPACE: |
1510 | opt_userspace = 1; | |
eeac7d46 | 1511 | break; |
679b4943 SM |
1512 | case OPT_LIST_OPTIONS: |
1513 | list_cmd_options(stdout, long_options); | |
679b4943 | 1514 | goto end; |
f3ed775e DG |
1515 | default: |
1516 | usage(stderr); | |
1517 | ret = CMD_UNDEFINED; | |
1518 | goto end; | |
1519 | } | |
1520 | } | |
1521 | ||
fb14d0d8 JR |
1522 | /* Mi check */ |
1523 | if (lttng_opt_mi) { | |
1524 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
1525 | if (!writer) { | |
1526 | ret = CMD_ERROR; | |
1527 | goto end; | |
1528 | } | |
1529 | ||
1530 | /* Open command element */ | |
1531 | ret = mi_lttng_writer_command_open(writer, | |
1532 | mi_lttng_element_command_list); | |
1533 | if (ret) { | |
1534 | ret = CMD_ERROR; | |
1535 | goto end; | |
1536 | } | |
1537 | ||
1538 | /* Open output element */ | |
1539 | ret = mi_lttng_writer_open_element(writer, | |
1540 | mi_lttng_element_command_output); | |
1541 | if (ret) { | |
1542 | ret = CMD_ERROR; | |
1543 | goto end; | |
1544 | } | |
1545 | } | |
1546 | ||
9f19cc17 DG |
1547 | /* Get session name (trailing argument) */ |
1548 | session_name = poptGetArg(pc); | |
b551a063 | 1549 | DBG2("Session name: %s", session_name); |
9f19cc17 | 1550 | |
cd80958d DG |
1551 | if (opt_kernel) { |
1552 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
1553 | } else if (opt_userspace) { |
1554 | DBG2("Listing userspace global domain"); | |
1555 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
1556 | } else if (opt_jul) { |
1557 | DBG2("Listing JUL domain"); | |
1558 | domain.type = LTTNG_DOMAIN_JUL; | |
edf60534 | 1559 | } else if (opt_log4j) { |
5cdb6027 | 1560 | domain.type = LTTNG_DOMAIN_LOG4J; |
cd80958d DG |
1561 | } |
1562 | ||
834978fd DG |
1563 | if (!opt_kernel && opt_syscall) { |
1564 | WARN("--syscall will only work with the Kernel domain (-k)"); | |
1565 | ret = CMD_ERROR; | |
1566 | goto end; | |
1567 | } | |
1568 | ||
5cdb6027 | 1569 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j) { |
aa5de748 MD |
1570 | handle = lttng_create_handle(session_name, &domain); |
1571 | if (handle == NULL) { | |
1572 | ret = CMD_FATAL; | |
1573 | goto end; | |
1574 | } | |
cd80958d DG |
1575 | } |
1576 | ||
9f19cc17 | 1577 | if (session_name == NULL) { |
5cdb6027 | 1578 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j) { |
b551a063 | 1579 | ret = list_sessions(NULL); |
fb14d0d8 | 1580 | if (ret) { |
b551a063 DG |
1581 | goto end; |
1582 | } | |
1583 | } | |
9f19cc17 | 1584 | if (opt_kernel) { |
834978fd DG |
1585 | if (opt_syscall) { |
1586 | ret = list_syscalls(); | |
1587 | if (ret) { | |
1588 | goto end; | |
1589 | } | |
1590 | } else { | |
1591 | ret = list_kernel_events(); | |
1592 | if (ret) { | |
1593 | goto end; | |
1594 | } | |
9f19cc17 | 1595 | } |
b551a063 DG |
1596 | } |
1597 | if (opt_userspace) { | |
f37d259d MD |
1598 | if (opt_fields) { |
1599 | ret = list_ust_event_fields(); | |
1600 | } else { | |
1601 | ret = list_ust_events(); | |
1602 | } | |
fb14d0d8 | 1603 | if (ret) { |
9f19cc17 DG |
1604 | goto end; |
1605 | } | |
1606 | } | |
5cdb6027 DG |
1607 | if (opt_jul || opt_log4j) { |
1608 | ret = list_agent_events(); | |
fb14d0d8 | 1609 | if (ret) { |
3c6a091f DG |
1610 | goto end; |
1611 | } | |
1612 | } | |
9f19cc17 DG |
1613 | } else { |
1614 | /* List session attributes */ | |
fb14d0d8 JR |
1615 | if (lttng_opt_mi) { |
1616 | /* Open element sessions | |
1617 | * Present for xml consistency */ | |
1618 | ret = mi_lttng_sessions_open(writer); | |
1619 | if (ret) { | |
1620 | goto end; | |
1621 | } | |
1622 | } | |
1623 | /* MI: the ouptut of list_sessions is an unclosed session element */ | |
9f19cc17 | 1624 | ret = list_sessions(session_name); |
fb14d0d8 | 1625 | if (ret) { |
9f19cc17 DG |
1626 | goto end; |
1627 | } | |
1628 | ||
1629 | /* Domain listing */ | |
1630 | if (opt_domain) { | |
330be774 | 1631 | ret = list_domains(session_name); |
9f19cc17 DG |
1632 | goto end; |
1633 | } | |
1634 | ||
fb14d0d8 | 1635 | /* Channel listing */ |
1c3de747 | 1636 | if (opt_kernel || opt_userspace) { |
fb14d0d8 JR |
1637 | if (lttng_opt_mi) { |
1638 | /* Add of domains and domain element for xml | |
1639 | * consistency and validation | |
1640 | */ | |
1641 | ret = mi_lttng_domains_open(writer); | |
1642 | if (ret) { | |
1643 | goto end; | |
1644 | } | |
1645 | ||
1646 | /* Open domain and leave it open for | |
1647 | * nested channels printing */ | |
1648 | ret = mi_lttng_domain(writer, &domain, 1); | |
1649 | if (ret) { | |
1650 | goto end; | |
1651 | } | |
1652 | ||
1653 | } | |
1654 | ||
cd80958d | 1655 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
1656 | if (ret) { |
1657 | goto end; | |
1658 | } | |
1659 | ||
1660 | if (lttng_opt_mi) { | |
1661 | /* Close domain and domain element */ | |
1662 | ret = mi_lttng_close_multi_element(writer, 2); | |
1663 | } | |
1664 | if (ret) { | |
9f19cc17 DG |
1665 | goto end; |
1666 | } | |
fb14d0d8 JR |
1667 | |
1668 | ||
9f19cc17 | 1669 | } else { |
c617c0c6 MD |
1670 | int i, nb_domain; |
1671 | ||
9f19cc17 | 1672 | /* We want all domain(s) */ |
330be774 | 1673 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 1674 | if (nb_domain < 0) { |
fb14d0d8 JR |
1675 | ret = CMD_ERROR; |
1676 | ERR("%s", lttng_strerror(nb_domain)); | |
9f19cc17 DG |
1677 | goto end; |
1678 | } | |
1679 | ||
fb14d0d8 JR |
1680 | if (lttng_opt_mi) { |
1681 | ret = mi_lttng_domains_open(writer); | |
1682 | if (ret) { | |
1683 | ret = CMD_ERROR; | |
1684 | goto end; | |
1685 | } | |
1686 | } | |
1687 | ||
b551a063 | 1688 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
1689 | switch (domains[i].type) { |
1690 | case LTTNG_DOMAIN_KERNEL: | |
1691 | MSG("=== Domain: Kernel ===\n"); | |
1692 | break; | |
b551a063 DG |
1693 | case LTTNG_DOMAIN_UST: |
1694 | MSG("=== Domain: UST global ===\n"); | |
88c5f0d8 DG |
1695 | MSG("Buffer type: %s\n", |
1696 | domains[i].buf_type == | |
1697 | LTTNG_BUFFER_PER_PID ? "per PID" : "per UID"); | |
b551a063 | 1698 | break; |
3c6a091f DG |
1699 | case LTTNG_DOMAIN_JUL: |
1700 | MSG("=== Domain: JUL (Java Util Logging) ===\n"); | |
1701 | break; | |
5cdb6027 DG |
1702 | case LTTNG_DOMAIN_LOG4J: |
1703 | MSG("=== Domain: LOG4j (Logging for Java) ===\n"); | |
1704 | break; | |
9f19cc17 DG |
1705 | default: |
1706 | MSG("=== Domain: Unimplemented ===\n"); | |
1707 | break; | |
1708 | } | |
1709 | ||
fb14d0d8 JR |
1710 | if (lttng_opt_mi) { |
1711 | ret = mi_lttng_domain(writer, &domains[i], 1); | |
1712 | if (ret) { | |
1713 | ret = CMD_ERROR; | |
1714 | goto end; | |
1715 | } | |
1716 | } | |
1717 | ||
cd80958d | 1718 | /* Clean handle before creating a new one */ |
aa5de748 MD |
1719 | if (handle) { |
1720 | lttng_destroy_handle(handle); | |
1721 | } | |
cd80958d DG |
1722 | |
1723 | handle = lttng_create_handle(session_name, &domains[i]); | |
1724 | if (handle == NULL) { | |
ca1c3607 | 1725 | ret = CMD_FATAL; |
cd80958d DG |
1726 | goto end; |
1727 | } | |
1728 | ||
5cdb6027 DG |
1729 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
1730 | domains[i].type == LTTNG_DOMAIN_LOG4J) { | |
1731 | ret = list_session_agent_events(); | |
fb14d0d8 | 1732 | if (ret) { |
3c6a091f DG |
1733 | goto end; |
1734 | } | |
1735 | continue; | |
1736 | } | |
1737 | ||
cd80958d | 1738 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
1739 | if (ret) { |
1740 | goto end; | |
1741 | } | |
1742 | ||
1743 | if (lttng_opt_mi) { | |
1744 | /* Close domain element */ | |
1745 | ret = mi_lttng_writer_close_element(writer); | |
1746 | if (ret) { | |
1747 | ret = CMD_ERROR; | |
1748 | goto end; | |
1749 | } | |
1750 | } | |
1751 | ||
1752 | } | |
1753 | if (lttng_opt_mi) { | |
1754 | /* Close the domains, session and sessions element */ | |
1755 | ret = mi_lttng_close_multi_element(writer, 3); | |
1756 | if (ret) { | |
1757 | ret = CMD_ERROR; | |
9f19cc17 DG |
1758 | goto end; |
1759 | } | |
1760 | } | |
1761 | } | |
f3ed775e DG |
1762 | } |
1763 | ||
fb14d0d8 JR |
1764 | /* Mi closing */ |
1765 | if (lttng_opt_mi) { | |
1766 | /* Close output element */ | |
1767 | ret = mi_lttng_writer_close_element(writer); | |
1768 | if (ret) { | |
1769 | ret = CMD_ERROR; | |
1770 | goto end; | |
1771 | } | |
1772 | ||
1773 | /* Command element close */ | |
1774 | ret = mi_lttng_writer_command_close(writer); | |
1775 | if (ret) { | |
1776 | ret = CMD_ERROR; | |
1777 | goto end; | |
1778 | } | |
1779 | } | |
f3ed775e | 1780 | end: |
fb14d0d8 JR |
1781 | /* Mi clean-up */ |
1782 | if (writer && mi_lttng_writer_destroy(writer)) { | |
1783 | /* Preserve original error code */ | |
1784 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
1785 | } | |
1786 | ||
0e428499 | 1787 | free(domains); |
aa5de748 MD |
1788 | if (handle) { |
1789 | lttng_destroy_handle(handle); | |
1790 | } | |
cd80958d | 1791 | |
ca1c3607 | 1792 | poptFreeContext(pc); |
f3ed775e DG |
1793 | return ret; |
1794 | } |