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; | |
80217cf8 | 504 | struct lttng_event *event_list = NULL; |
b551a063 | 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 | ||
ef046310 JR |
576 | memset(&cur_event, 0, sizeof(cur_event)); |
577 | ||
fb14d0d8 JR |
578 | /* Open domains element */ |
579 | ret = mi_lttng_domains_open(writer); | |
580 | if (ret) { | |
581 | goto end; | |
582 | } | |
583 | ||
584 | /* Write domain */ | |
585 | ret = mi_lttng_domain(writer, domain, 1); | |
586 | if (ret) { | |
587 | goto end; | |
588 | } | |
589 | ||
590 | /* Open pids element */ | |
591 | ret = mi_lttng_pids_open(writer); | |
592 | if (ret) { | |
593 | goto end; | |
594 | } | |
595 | ||
596 | for (i = 0; i < count; i++) { | |
597 | if (cur_pid != fields[i].event.pid) { | |
598 | if (pid_element_open) { | |
599 | if (event_element_open) { | |
485ca16f DG |
600 | |
601 | /* Close the previous field element and event. */ | |
fb14d0d8 JR |
602 | ret = mi_lttng_close_multi_element(writer, 2); |
603 | if (ret) { | |
604 | goto end; | |
605 | } | |
606 | event_element_open = 0; | |
607 | } | |
608 | /* Close the previous events, pid element */ | |
609 | ret = mi_lttng_close_multi_element(writer, 2); | |
610 | if (ret) { | |
611 | goto end; | |
612 | } | |
613 | pid_element_open = 0; | |
614 | } | |
615 | ||
616 | cur_pid = fields[i].event.pid; | |
ea5cbc00 | 617 | cmdline = get_cmdline_by_pid(cur_pid); |
fb14d0d8 JR |
618 | if (!pid_element_open) { |
619 | /* Open and write a pid element */ | |
620 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); | |
621 | if (ret) { | |
622 | goto error; | |
623 | } | |
624 | ||
625 | /* Open events element */ | |
626 | ret = mi_lttng_events_open(writer); | |
627 | if (ret) { | |
628 | goto error; | |
629 | } | |
630 | pid_element_open = 1; | |
631 | } | |
ea5cbc00 | 632 | free(cmdline); |
fb14d0d8 JR |
633 | /* Wipe current event since we are about to print a new PID. */ |
634 | memset(&cur_event, 0, sizeof(cur_event)); | |
b551a063 | 635 | } |
b551a063 | 636 | |
fb14d0d8 JR |
637 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
638 | if (event_element_open) { | |
639 | /* Close the previous fields element and the previous event */ | |
640 | ret = mi_lttng_close_multi_element(writer, 2); | |
641 | if (ret) { | |
642 | goto end; | |
643 | } | |
644 | event_element_open = 0; | |
645 | } | |
646 | ||
647 | memcpy(&cur_event, &fields[i].event, | |
648 | sizeof(cur_event)); | |
b551a063 | 649 | |
fb14d0d8 JR |
650 | if (!event_element_open) { |
651 | /* Open and write the event */ | |
970d848b DG |
652 | ret = mi_lttng_event(writer, &cur_event, 1, |
653 | handle->domain.type); | |
fb14d0d8 JR |
654 | if (ret) { |
655 | goto end; | |
656 | } | |
657 | ||
658 | /* Open a fields element */ | |
659 | ret = mi_lttng_event_fields_open(writer); | |
660 | if (ret) { | |
661 | goto end; | |
662 | } | |
663 | event_element_open = 1; | |
664 | } | |
665 | } | |
b551a063 | 666 | |
fb14d0d8 JR |
667 | /* Print the event_field */ |
668 | ret = mi_lttng_event_field(writer, &fields[i]); | |
669 | if (ret) { | |
670 | goto end; | |
671 | } | |
672 | } | |
b551a063 | 673 | |
fb14d0d8 JR |
674 | /* Close pids, domain, domains */ |
675 | ret = mi_lttng_close_multi_element(writer, 3); | |
676 | end: | |
677 | return ret; | |
b551a063 | 678 | error: |
fb14d0d8 JR |
679 | free(cmdline); |
680 | return ret; | |
b551a063 | 681 | } |
f3ed775e | 682 | |
f37d259d MD |
683 | /* |
684 | * Ask session daemon for all user space tracepoint fields available. | |
685 | */ | |
686 | static int list_ust_event_fields(void) | |
687 | { | |
fb14d0d8 | 688 | int i, size, ret = CMD_SUCCESS; |
f37d259d MD |
689 | struct lttng_domain domain; |
690 | struct lttng_handle *handle; | |
691 | struct lttng_event_field *event_field_list; | |
692 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
693 | char *cmdline = NULL; |
694 | ||
f37d259d MD |
695 | struct lttng_event cur_event; |
696 | ||
697 | memset(&domain, 0, sizeof(domain)); | |
698 | memset(&cur_event, 0, sizeof(cur_event)); | |
699 | ||
700 | DBG("Getting UST tracing event fields"); | |
701 | ||
702 | domain.type = LTTNG_DOMAIN_UST; | |
703 | ||
704 | handle = lttng_create_handle(NULL, &domain); | |
705 | if (handle == NULL) { | |
fb14d0d8 JR |
706 | ret = CMD_ERROR; |
707 | goto end; | |
f37d259d MD |
708 | } |
709 | ||
710 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
711 | if (size < 0) { | |
60e835ca | 712 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
fb14d0d8 JR |
713 | ret = CMD_ERROR; |
714 | goto end; | |
f37d259d MD |
715 | } |
716 | ||
fb14d0d8 JR |
717 | if (lttng_opt_mi) { |
718 | /* Mi print */ | |
719 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); | |
720 | if (ret) { | |
721 | ret = CMD_ERROR; | |
722 | goto error; | |
723 | } | |
724 | } else { | |
725 | /* Pretty print */ | |
726 | MSG("UST events:\n-------------"); | |
f37d259d | 727 | |
fb14d0d8 JR |
728 | if (size == 0) { |
729 | MSG("None"); | |
f37d259d | 730 | } |
fb14d0d8 JR |
731 | |
732 | for (i = 0; i < size; i++) { | |
733 | if (cur_pid != event_field_list[i].event.pid) { | |
734 | cur_pid = event_field_list[i].event.pid; | |
735 | cmdline = get_cmdline_by_pid(cur_pid); | |
736 | if (cmdline == NULL) { | |
737 | ret = CMD_ERROR; | |
738 | goto error; | |
739 | } | |
740 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
741 | free(cmdline); | |
742 | /* Wipe current event since we are about to print a new PID. */ | |
743 | memset(&cur_event, 0, sizeof(cur_event)); | |
744 | } | |
745 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
746 | print_events(&event_field_list[i].event); | |
747 | memcpy(&cur_event, &event_field_list[i].event, | |
748 | sizeof(cur_event)); | |
749 | } | |
750 | print_event_field(&event_field_list[i]); | |
f37d259d | 751 | } |
f37d259d | 752 | |
fb14d0d8 JR |
753 | MSG(""); |
754 | } | |
f37d259d | 755 | |
fb14d0d8 | 756 | error: |
f37d259d | 757 | free(event_field_list); |
fb14d0d8 | 758 | end: |
f37d259d | 759 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
760 | return ret; |
761 | } | |
f37d259d | 762 | |
fb14d0d8 JR |
763 | /* |
764 | * Machine interface | |
765 | * Print a list of kernel events | |
766 | */ | |
767 | static int mi_list_kernel_events(struct lttng_event *events, int count, | |
768 | struct lttng_domain *domain) | |
769 | { | |
770 | int ret, i; | |
f37d259d | 771 | |
fb14d0d8 JR |
772 | /* Open domains element */ |
773 | ret = mi_lttng_domains_open(writer); | |
774 | if (ret) { | |
775 | goto end; | |
776 | } | |
777 | ||
778 | /* Write domain */ | |
779 | ret = mi_lttng_domain(writer, domain, 1); | |
780 | if (ret) { | |
781 | goto end; | |
782 | } | |
783 | ||
784 | /* Open events */ | |
785 | ret = mi_lttng_events_open(writer); | |
786 | if (ret) { | |
787 | goto end; | |
788 | } | |
789 | ||
790 | for (i = 0; i < count; i++) { | |
970d848b | 791 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
792 | if (ret) { |
793 | goto end; | |
794 | } | |
795 | } | |
796 | ||
797 | /* close events, domain and domains */ | |
798 | ret = mi_lttng_close_multi_element(writer, 3); | |
799 | if (ret) { | |
800 | goto end; | |
801 | } | |
802 | ||
803 | end: | |
804 | return ret; | |
f37d259d MD |
805 | } |
806 | ||
f3ed775e | 807 | /* |
fb14d0d8 | 808 | * Ask for all trace events in the kernel |
f3ed775e | 809 | */ |
9f19cc17 | 810 | static int list_kernel_events(void) |
f3ed775e | 811 | { |
fb14d0d8 | 812 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
813 | struct lttng_domain domain; |
814 | struct lttng_handle *handle; | |
9f19cc17 | 815 | struct lttng_event *event_list; |
f3ed775e | 816 | |
441c16a7 MD |
817 | memset(&domain, 0, sizeof(domain)); |
818 | ||
b551a063 DG |
819 | DBG("Getting kernel tracing events"); |
820 | ||
821 | domain.type = LTTNG_DOMAIN_KERNEL; | |
822 | ||
823 | handle = lttng_create_handle(NULL, &domain); | |
824 | if (handle == NULL) { | |
fb14d0d8 | 825 | ret = CMD_ERROR; |
b551a063 DG |
826 | goto error; |
827 | } | |
f3ed775e | 828 | |
cd80958d | 829 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 830 | if (size < 0) { |
60e835ca | 831 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 832 | lttng_destroy_handle(handle); |
fb14d0d8 | 833 | return CMD_ERROR; |
f3ed775e DG |
834 | } |
835 | ||
fb14d0d8 JR |
836 | if (lttng_opt_mi) { |
837 | /* Mi print */ | |
838 | ret = mi_list_kernel_events(event_list, size, &domain); | |
839 | if (ret) { | |
840 | ret = CMD_ERROR; | |
841 | goto end; | |
842 | } | |
843 | } else { | |
844 | MSG("Kernel events:\n-------------"); | |
f3ed775e | 845 | |
fb14d0d8 JR |
846 | for (i = 0; i < size; i++) { |
847 | print_events(&event_list[i]); | |
848 | } | |
f3ed775e | 849 | |
fb14d0d8 JR |
850 | MSG(""); |
851 | } | |
b551a063 | 852 | |
fb14d0d8 | 853 | end: |
f3ed775e DG |
854 | free(event_list); |
855 | ||
ef021732 | 856 | lttng_destroy_handle(handle); |
fb14d0d8 | 857 | return ret; |
b551a063 DG |
858 | |
859 | error: | |
ef021732 | 860 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
861 | return ret; |
862 | } | |
863 | ||
834978fd DG |
864 | /* |
865 | * Machine interface | |
866 | * Print a list of system calls. | |
867 | */ | |
868 | static int mi_list_syscalls(struct lttng_event *events, int count) | |
869 | { | |
870 | int ret, i; | |
871 | ||
872 | /* Open events */ | |
873 | ret = mi_lttng_events_open(writer); | |
874 | if (ret) { | |
875 | goto end; | |
876 | } | |
877 | ||
878 | for (i = 0; i < count; i++) { | |
970d848b | 879 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
834978fd DG |
880 | if (ret) { |
881 | goto end; | |
882 | } | |
883 | } | |
884 | ||
885 | /* Close events. */ | |
886 | ret = mi_lttng_writer_close_element(writer); | |
887 | if (ret) { | |
888 | goto end; | |
889 | } | |
890 | ||
891 | end: | |
892 | return ret; | |
893 | } | |
894 | ||
895 | /* | |
896 | * Ask for kernel system calls. | |
897 | */ | |
898 | static int list_syscalls(void) | |
899 | { | |
900 | int i, size, ret = CMD_SUCCESS; | |
901 | struct lttng_event *event_list; | |
902 | ||
903 | DBG("Getting kernel system call events"); | |
904 | ||
905 | size = lttng_list_syscalls(&event_list); | |
906 | if (size < 0) { | |
907 | ERR("Unable to list system calls: %s", lttng_strerror(size)); | |
908 | ret = CMD_ERROR; | |
909 | goto error; | |
910 | } | |
911 | ||
912 | if (lttng_opt_mi) { | |
913 | /* Mi print */ | |
914 | ret = mi_list_syscalls(event_list, size); | |
915 | if (ret) { | |
916 | ret = CMD_ERROR; | |
917 | goto end; | |
918 | } | |
919 | } else { | |
920 | MSG("System calls:\n-------------"); | |
921 | ||
922 | for (i = 0; i < size; i++) { | |
923 | print_events(&event_list[i]); | |
924 | } | |
925 | ||
926 | MSG(""); | |
927 | } | |
928 | ||
929 | end: | |
930 | free(event_list); | |
931 | return ret; | |
932 | ||
933 | error: | |
934 | return ret; | |
935 | } | |
936 | ||
fb14d0d8 JR |
937 | /* |
938 | * Machine Interface | |
5cdb6027 | 939 | * Print a list of agent events |
fb14d0d8 | 940 | */ |
5cdb6027 | 941 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
fb14d0d8 JR |
942 | { |
943 | int ret, i; | |
944 | ||
945 | /* Open events element */ | |
946 | ret = mi_lttng_events_open(writer); | |
947 | if (ret) { | |
948 | goto end; | |
949 | } | |
950 | ||
951 | for (i = 0; i < count; i++) { | |
970d848b | 952 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
953 | if (ret) { |
954 | goto end; | |
955 | } | |
956 | } | |
957 | ||
958 | /* Close events element */ | |
959 | ret = mi_lttng_writer_close_element(writer); | |
960 | ||
961 | end: | |
962 | return ret; | |
f3ed775e DG |
963 | } |
964 | ||
3c6a091f | 965 | /* |
5cdb6027 | 966 | * List agent events for a specific session using the handle. |
3c6a091f DG |
967 | * |
968 | * Return CMD_SUCCESS on success else a negative value. | |
969 | */ | |
5cdb6027 | 970 | static int list_session_agent_events(void) |
3c6a091f | 971 | { |
fb14d0d8 | 972 | int ret = CMD_SUCCESS, count, i; |
3c6a091f DG |
973 | struct lttng_event *events = NULL; |
974 | ||
975 | count = lttng_list_events(handle, "", &events); | |
976 | if (count < 0) { | |
fb14d0d8 JR |
977 | ret = CMD_ERROR; |
978 | ERR("%s", lttng_strerror(count)); | |
3c6a091f DG |
979 | goto error; |
980 | } | |
981 | ||
fb14d0d8 JR |
982 | if (lttng_opt_mi) { |
983 | /* Mi print */ | |
5cdb6027 | 984 | ret = mi_list_session_agent_events(events, count); |
fb14d0d8 JR |
985 | if (ret) { |
986 | ret = CMD_ERROR; | |
987 | goto end; | |
988 | } | |
989 | } else { | |
990 | /* Pretty print */ | |
991 | MSG("Events (Logger name):\n---------------------"); | |
992 | if (count == 0) { | |
993 | MSG("%sNone\n", indent6); | |
994 | goto end; | |
995 | } | |
996 | ||
997 | for (i = 0; i < count; i++) { | |
998 | MSG("%s- %s%s (loglevel%s %s)", indent4, events[i].name, | |
999 | enabled_string(events[i].enabled), | |
1000 | logleveltype_string(events[i].loglevel_type), | |
970d848b DG |
1001 | mi_lttng_loglevel_string(events[i].loglevel, |
1002 | handle->domain.type)); | |
fb14d0d8 JR |
1003 | } |
1004 | ||
1005 | MSG(""); | |
1006 | } | |
1007 | ||
1008 | end: | |
1009 | free(events); | |
1010 | error: | |
1011 | return ret; | |
1012 | } | |
1013 | ||
1014 | /* | |
1015 | * Machine interface | |
1016 | * print a list of event | |
1017 | */ | |
1018 | static int mi_list_events(struct lttng_event *events, int count) | |
1019 | { | |
1020 | int ret, i; | |
1021 | ||
1022 | /* Open events element */ | |
1023 | ret = mi_lttng_events_open(writer); | |
1024 | if (ret) { | |
3c6a091f DG |
1025 | goto end; |
1026 | } | |
1027 | ||
1028 | for (i = 0; i < count; i++) { | |
970d848b | 1029 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1030 | if (ret) { |
1031 | goto end; | |
1032 | } | |
3c6a091f DG |
1033 | } |
1034 | ||
fb14d0d8 JR |
1035 | /* Close events element */ |
1036 | ret = mi_lttng_writer_close_element(writer); | |
3c6a091f DG |
1037 | |
1038 | end: | |
3c6a091f DG |
1039 | return ret; |
1040 | } | |
1041 | ||
f3ed775e | 1042 | /* |
9f19cc17 | 1043 | * List events of channel of session and domain. |
f3ed775e | 1044 | */ |
cd80958d | 1045 | static int list_events(const char *channel_name) |
f3ed775e | 1046 | { |
fb14d0d8 | 1047 | int ret = CMD_SUCCESS, count, i; |
9f19cc17 | 1048 | struct lttng_event *events = NULL; |
f3ed775e | 1049 | |
cd80958d | 1050 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e | 1051 | if (count < 0) { |
fb14d0d8 JR |
1052 | ret = CMD_ERROR; |
1053 | ERR("%s", lttng_strerror(count)); | |
f3ed775e DG |
1054 | goto error; |
1055 | } | |
1056 | ||
fb14d0d8 JR |
1057 | if (lttng_opt_mi) { |
1058 | /* Mi print */ | |
1059 | ret = mi_list_events(events, count); | |
1060 | if (ret) { | |
1061 | ret = CMD_ERROR; | |
1062 | goto end; | |
1063 | } | |
1064 | } else { | |
1065 | /* Pretty print */ | |
1066 | MSG("\n%sEvents:", indent4); | |
1067 | if (count == 0) { | |
1068 | MSG("%sNone\n", indent6); | |
1069 | goto end; | |
1070 | } | |
f3ed775e | 1071 | |
fb14d0d8 JR |
1072 | for (i = 0; i < count; i++) { |
1073 | print_events(&events[i]); | |
1074 | } | |
f3ed775e | 1075 | |
fb14d0d8 JR |
1076 | MSG(""); |
1077 | } | |
9f19cc17 | 1078 | end: |
0e428499 | 1079 | free(events); |
f3ed775e DG |
1080 | error: |
1081 | return ret; | |
1082 | } | |
1083 | ||
1084 | /* | |
9f19cc17 DG |
1085 | * Pretty print channel |
1086 | */ | |
1087 | static void print_channel(struct lttng_channel *channel) | |
1088 | { | |
464dd62d | 1089 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
1090 | |
1091 | MSG("%sAttributes:", indent4); | |
a5bbe8f6 DG |
1092 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); |
1093 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
9f19cc17 | 1094 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); |
a5bbe8f6 DG |
1095 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); |
1096 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
2f785fe7 DG |
1097 | MSG("%strace file count: %" PRIu64, indent6, channel->attr.tracefile_count); |
1098 | MSG("%strace file size (bytes): %" PRIu64, indent6, channel->attr.tracefile_size); | |
9f19cc17 DG |
1099 | switch (channel->attr.output) { |
1100 | case LTTNG_EVENT_SPLICE: | |
1101 | MSG("%soutput: splice()", indent6); | |
1102 | break; | |
1103 | case LTTNG_EVENT_MMAP: | |
1104 | MSG("%soutput: mmap()", indent6); | |
1105 | break; | |
1106 | } | |
1107 | } | |
1108 | ||
fb14d0d8 JR |
1109 | /* |
1110 | * Machine interface | |
1111 | * Print a list of channel | |
1112 | * | |
1113 | */ | |
1114 | static int mi_list_channels(struct lttng_channel *channels, int count, | |
1115 | const char *channel_name) | |
1116 | { | |
1117 | int i, ret; | |
1118 | unsigned int chan_found = 0; | |
1119 | ||
1120 | /* Open channels element */ | |
1121 | ret = mi_lttng_channels_open(writer); | |
1122 | if (ret) { | |
1123 | goto error; | |
1124 | } | |
1125 | ||
1126 | for (i = 0; i < count; i++) { | |
1127 | if (channel_name != NULL) { | |
1128 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1129 | chan_found = 1; | |
1130 | } else { | |
1131 | continue; | |
1132 | } | |
1133 | } | |
1134 | ||
1135 | /* Write channel element and leave it open */ | |
1136 | ret = mi_lttng_channel(writer, &channels[i], 1); | |
1137 | if (ret) { | |
1138 | goto error; | |
1139 | } | |
1140 | ||
1141 | /* Listing events per channel */ | |
1142 | ret = list_events(channels[i].name); | |
1143 | if (ret) { | |
1144 | goto error; | |
1145 | } | |
1146 | ||
1147 | /* Closing the channel element we opened earlier */ | |
1148 | ret = mi_lttng_writer_close_element(writer); | |
1149 | if (ret) { | |
1150 | goto error; | |
1151 | } | |
1152 | ||
1153 | if (chan_found) { | |
1154 | break; | |
1155 | } | |
1156 | } | |
1157 | ||
1158 | /* Close channels element */ | |
1159 | ret = mi_lttng_writer_close_element(writer); | |
1160 | if (ret) { | |
1161 | goto error; | |
1162 | } | |
1163 | ||
1164 | error: | |
1165 | return ret; | |
1166 | } | |
1167 | ||
9f19cc17 DG |
1168 | /* |
1169 | * List channel(s) of session and domain. | |
f3ed775e | 1170 | * |
9f19cc17 | 1171 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 1172 | */ |
cd80958d | 1173 | static int list_channels(const char *channel_name) |
f3ed775e | 1174 | { |
9f19cc17 DG |
1175 | int count, i, ret = CMD_SUCCESS; |
1176 | unsigned int chan_found = 0; | |
1177 | struct lttng_channel *channels = NULL; | |
f3ed775e | 1178 | |
3e25cb20 | 1179 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 1180 | |
cd80958d | 1181 | count = lttng_list_channels(handle, &channels); |
f3ed775e | 1182 | if (count < 0) { |
c7d620a2 DG |
1183 | switch (-count) { |
1184 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
fb14d0d8 JR |
1185 | if (lttng_opt_mi) { |
1186 | /* When printing mi this is not an error | |
1187 | * but an empty channels element */ | |
1188 | count = 0; | |
1189 | } else { | |
1190 | ret = CMD_SUCCESS; | |
1191 | WARN("No kernel channel"); | |
1192 | goto error_channels; | |
1193 | } | |
c7d620a2 DG |
1194 | break; |
1195 | default: | |
1196 | /* We had a real error */ | |
fb14d0d8 JR |
1197 | ret = CMD_ERROR; |
1198 | ERR("%s", lttng_strerror(count)); | |
1199 | goto error_channels; | |
60e835ca | 1200 | break; |
c7d620a2 | 1201 | } |
f3ed775e DG |
1202 | } |
1203 | ||
fb14d0d8 JR |
1204 | if (lttng_opt_mi) { |
1205 | /* Mi print */ | |
1206 | ret = mi_list_channels(channels, count, channel_name); | |
1207 | if (ret) { | |
1208 | ret = CMD_ERROR; | |
1209 | goto error; | |
1210 | } | |
1211 | } else { | |
1212 | /* Pretty print */ | |
9247b8d0 | 1213 | if (count) { |
fb14d0d8 JR |
1214 | MSG("Channels:\n-------------"); |
1215 | } | |
9f19cc17 | 1216 | |
fb14d0d8 JR |
1217 | for (i = 0; i < count; i++) { |
1218 | if (channel_name != NULL) { | |
1219 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1220 | chan_found = 1; | |
1221 | } else { | |
1222 | continue; | |
1223 | } | |
1224 | } | |
1225 | print_channel(&channels[i]); | |
1226 | ||
1227 | /* Listing events per channel */ | |
1228 | ret = list_events(channels[i].name); | |
1229 | if (ret) { | |
1230 | goto error; | |
1231 | } | |
1232 | ||
1233 | if (chan_found) { | |
1234 | break; | |
9f19cc17 DG |
1235 | } |
1236 | } | |
9f19cc17 | 1237 | |
fb14d0d8 JR |
1238 | if (!chan_found && channel_name != NULL) { |
1239 | ret = CMD_ERROR; | |
1240 | ERR("Channel %s not found", channel_name); | |
1241 | goto error; | |
9f19cc17 | 1242 | } |
fb14d0d8 JR |
1243 | } |
1244 | error: | |
1245 | free(channels); | |
9f19cc17 | 1246 | |
fb14d0d8 JR |
1247 | error_channels: |
1248 | return ret; | |
1249 | } | |
1250 | ||
1251 | /* | |
1252 | * Machine interface | |
1253 | * Find the session with session_name as name | |
1254 | * and print his informations. | |
1255 | */ | |
1256 | static int mi_list_session(const char *session_name, | |
1257 | struct lttng_session *sessions, int count) | |
1258 | { | |
1259 | int ret, i; | |
1260 | unsigned int session_found = 0; | |
1261 | ||
1262 | if (session_name == NULL) { | |
1263 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1264 | goto end; | |
1265 | } | |
1266 | ||
1267 | for (i = 0; i < count; i++) { | |
1268 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1269 | /* We need to leave it open to append other informations | |
1270 | * like domain, channel, events etc.*/ | |
1271 | session_found = 1; | |
1272 | ret = mi_lttng_session(writer, &sessions[i], 1); | |
1273 | if (ret) { | |
1274 | goto end; | |
1275 | } | |
9f19cc17 | 1276 | break; |
f3ed775e | 1277 | } |
f3ed775e DG |
1278 | } |
1279 | ||
fb14d0d8 JR |
1280 | if (!session_found) { |
1281 | ERR("Session '%s' not found", session_name); | |
1282 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1283 | goto end; | |
9f19cc17 | 1284 | } |
f3ed775e | 1285 | |
fb14d0d8 JR |
1286 | end: |
1287 | return ret; | |
1288 | } | |
f3ed775e | 1289 | |
fb14d0d8 JR |
1290 | /* |
1291 | * Machine interface | |
1292 | * List all availables session | |
1293 | */ | |
1294 | static int mi_list_sessions(struct lttng_session *sessions, int count) | |
1295 | { | |
1296 | int ret, i; | |
ae856491 | 1297 | |
fb14d0d8 JR |
1298 | /* Opening sessions element */ |
1299 | ret = mi_lttng_sessions_open(writer); | |
1300 | if (ret) { | |
1301 | goto end; | |
1302 | } | |
1303 | ||
1304 | /* Listing sessions */ | |
1305 | for (i = 0; i < count; i++) { | |
1306 | ret = mi_lttng_session(writer, &sessions[i], 0); | |
1307 | if (ret) { | |
1308 | goto end; | |
1309 | } | |
1310 | } | |
1311 | ||
1312 | /* Closing sessions element */ | |
1313 | ret = mi_lttng_writer_close_element(writer); | |
1314 | if (ret) { | |
1315 | goto end; | |
1316 | } | |
1317 | ||
1318 | end: | |
f3ed775e DG |
1319 | return ret; |
1320 | } | |
1321 | ||
1322 | /* | |
9f19cc17 | 1323 | * List available tracing session. List only basic information. |
f3ed775e | 1324 | * |
9f19cc17 | 1325 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 1326 | */ |
9f19cc17 | 1327 | static int list_sessions(const char *session_name) |
f3ed775e | 1328 | { |
fb14d0d8 JR |
1329 | int ret = CMD_SUCCESS; |
1330 | int count, i; | |
9f19cc17 DG |
1331 | unsigned int session_found = 0; |
1332 | struct lttng_session *sessions; | |
1333 | ||
1334 | count = lttng_list_sessions(&sessions); | |
1335 | DBG("Session count %d", count); | |
1336 | if (count < 0) { | |
fb14d0d8 JR |
1337 | ret = CMD_ERROR; |
1338 | ERR("%s", lttng_strerror(count)); | |
d32fb093 | 1339 | goto end; |
9f19cc17 DG |
1340 | } |
1341 | ||
fb14d0d8 JR |
1342 | if (lttng_opt_mi) { |
1343 | /* Mi */ | |
1344 | if (session_name == NULL) { | |
1345 | /* List all session */ | |
1346 | ret = mi_list_sessions(sessions, count); | |
1347 | } else { | |
1348 | /* Note : this return an open session element */ | |
1349 | ret = mi_list_session(session_name, sessions, count); | |
1350 | } | |
1351 | if (ret) { | |
1352 | ret = CMD_ERROR; | |
1353 | goto error; | |
1354 | } | |
1355 | } else { | |
1356 | /* Pretty print */ | |
1357 | if (count == 0) { | |
1358 | MSG("Currently no available tracing session"); | |
fb14d0d8 JR |
1359 | goto end; |
1360 | } | |
9f19cc17 | 1361 | |
fb14d0d8 JR |
1362 | if (session_name == NULL) { |
1363 | MSG("Available tracing sessions:"); | |
1364 | } | |
1365 | ||
1366 | ||
1367 | for (i = 0; i < count; i++) { | |
1368 | if (session_name != NULL) { | |
1369 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1370 | session_found = 1; | |
1371 | MSG("Tracing session %s: [%s%s]", session_name, | |
1372 | active_string(sessions[i].enabled), | |
1373 | snapshot_string(sessions[i].snapshot_mode)); | |
1374 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); | |
1375 | break; | |
1376 | } | |
1377 | } else { | |
1378 | MSG(" %d) %s (%s) [%s%s]", i + 1, | |
1379 | sessions[i].name, sessions[i].path, | |
2cbf8fed DG |
1380 | active_string(sessions[i].enabled), |
1381 | snapshot_string(sessions[i].snapshot_mode)); | |
2f785fe7 DG |
1382 | MSG("%sTrace path: %s", indent4, sessions[i].path); |
1383 | MSG("%sLive timer interval (usec): %u\n", indent4, | |
1384 | sessions[i].live_timer_interval); | |
9f19cc17 | 1385 | } |
fb14d0d8 JR |
1386 | } |
1387 | ||
1388 | if (!session_found && session_name != NULL) { | |
1389 | ERR("Session '%s' not found", session_name); | |
1390 | ret = CMD_ERROR; | |
1391 | goto error; | |
1392 | } | |
1393 | ||
1394 | if (session_name == NULL) { | |
1395 | MSG("\nUse lttng list <session_name> for more details"); | |
9f19cc17 DG |
1396 | } |
1397 | } | |
1398 | ||
fb14d0d8 | 1399 | error: |
9f19cc17 | 1400 | free(sessions); |
fb14d0d8 JR |
1401 | end: |
1402 | return ret; | |
1403 | } | |
9f19cc17 | 1404 | |
fb14d0d8 JR |
1405 | |
1406 | /* | |
1407 | * Machine Interface | |
1408 | * list available domain(s) for a session. | |
1409 | */ | |
1410 | static int mi_list_domains(struct lttng_domain *domains, int count) | |
1411 | { | |
1412 | int i, ret; | |
1413 | /* Open domains element */ | |
1414 | ret = mi_lttng_domains_open(writer); | |
1415 | if (ret) { | |
1416 | goto end; | |
9f19cc17 DG |
1417 | } |
1418 | ||
fb14d0d8 JR |
1419 | for (i = 0; i < count; i++) { |
1420 | ret = mi_lttng_domain(writer, &domains[i] , 0); | |
1421 | if (ret) { | |
1422 | goto end; | |
1423 | } | |
9f19cc17 | 1424 | } |
f3ed775e | 1425 | |
fb14d0d8 JR |
1426 | /* Closing domains element */ |
1427 | ret = mi_lttng_writer_close_element(writer); | |
1428 | if (ret) { | |
1429 | goto end; | |
1430 | } | |
d32fb093 | 1431 | end: |
f3ed775e DG |
1432 | return ret; |
1433 | } | |
f3ed775e DG |
1434 | |
1435 | /* | |
9f19cc17 | 1436 | * List available domain(s) for a session. |
f3ed775e | 1437 | */ |
330be774 | 1438 | static int list_domains(const char *session_name) |
f3ed775e | 1439 | { |
9f19cc17 DG |
1440 | int i, count, ret = CMD_SUCCESS; |
1441 | struct lttng_domain *domains = NULL; | |
1442 | ||
9f19cc17 | 1443 | |
330be774 | 1444 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 | 1445 | if (count < 0) { |
fb14d0d8 JR |
1446 | ret = CMD_ERROR; |
1447 | ERR("%s", lttng_strerror(count)); | |
9f19cc17 DG |
1448 | goto end; |
1449 | } | |
1450 | ||
fb14d0d8 JR |
1451 | if (lttng_opt_mi) { |
1452 | /* Mi output */ | |
1453 | ret = mi_list_domains(domains, count); | |
1454 | if (ret) { | |
1455 | ret = CMD_ERROR; | |
1456 | goto error; | |
1457 | } | |
1458 | } else { | |
1459 | /* Pretty print */ | |
1460 | MSG("Domains:\n-------------"); | |
1461 | if (count == 0) { | |
1462 | MSG(" None"); | |
1463 | goto end; | |
1464 | } | |
1465 | ||
1466 | for (i = 0; i < count; i++) { | |
1467 | switch (domains[i].type) { | |
1468 | case LTTNG_DOMAIN_KERNEL: | |
1469 | MSG(" - Kernel"); | |
1470 | break; | |
1471 | case LTTNG_DOMAIN_UST: | |
1472 | MSG(" - UST global"); | |
1473 | break; | |
1474 | case LTTNG_DOMAIN_JUL: | |
1475 | MSG(" - JUL (Java Util Logging)"); | |
1476 | break; | |
5cdb6027 DG |
1477 | case LTTNG_DOMAIN_LOG4J: |
1478 | MSG(" - LOG4j (Logging for Java)"); | |
1479 | break; | |
fb14d0d8 JR |
1480 | default: |
1481 | break; | |
1482 | } | |
9f19cc17 DG |
1483 | } |
1484 | } | |
1485 | ||
fb14d0d8 | 1486 | error: |
9f19cc17 DG |
1487 | free(domains); |
1488 | ||
fb14d0d8 | 1489 | end: |
9f19cc17 | 1490 | return ret; |
f3ed775e | 1491 | } |
f3ed775e DG |
1492 | |
1493 | /* | |
9f19cc17 | 1494 | * The 'list <options>' first level command |
f3ed775e DG |
1495 | */ |
1496 | int cmd_list(int argc, const char **argv) | |
1497 | { | |
c617c0c6 | 1498 | int opt, ret = CMD_SUCCESS; |
9f19cc17 | 1499 | const char *session_name; |
f3ed775e | 1500 | static poptContext pc; |
9f19cc17 DG |
1501 | struct lttng_domain domain; |
1502 | struct lttng_domain *domains = NULL; | |
f3ed775e | 1503 | |
441c16a7 MD |
1504 | memset(&domain, 0, sizeof(domain)); |
1505 | ||
9f19cc17 | 1506 | if (argc < 1) { |
f3ed775e | 1507 | usage(stderr); |
ca1c3607 | 1508 | ret = CMD_ERROR; |
f3ed775e DG |
1509 | goto end; |
1510 | } | |
1511 | ||
1512 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
1513 | poptReadDefaultConfig(pc, 0); | |
1514 | ||
1515 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
1516 | switch (opt) { | |
1517 | case OPT_HELP: | |
ca1c3607 | 1518 | usage(stdout); |
f3ed775e | 1519 | goto end; |
eeac7d46 MD |
1520 | case OPT_USERSPACE: |
1521 | opt_userspace = 1; | |
eeac7d46 | 1522 | break; |
679b4943 SM |
1523 | case OPT_LIST_OPTIONS: |
1524 | list_cmd_options(stdout, long_options); | |
679b4943 | 1525 | goto end; |
f3ed775e DG |
1526 | default: |
1527 | usage(stderr); | |
1528 | ret = CMD_UNDEFINED; | |
1529 | goto end; | |
1530 | } | |
1531 | } | |
1532 | ||
fb14d0d8 JR |
1533 | /* Mi check */ |
1534 | if (lttng_opt_mi) { | |
1535 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
1536 | if (!writer) { | |
1537 | ret = CMD_ERROR; | |
1538 | goto end; | |
1539 | } | |
1540 | ||
1541 | /* Open command element */ | |
1542 | ret = mi_lttng_writer_command_open(writer, | |
1543 | mi_lttng_element_command_list); | |
1544 | if (ret) { | |
1545 | ret = CMD_ERROR; | |
1546 | goto end; | |
1547 | } | |
1548 | ||
1549 | /* Open output element */ | |
1550 | ret = mi_lttng_writer_open_element(writer, | |
1551 | mi_lttng_element_command_output); | |
1552 | if (ret) { | |
1553 | ret = CMD_ERROR; | |
1554 | goto end; | |
1555 | } | |
1556 | } | |
1557 | ||
9f19cc17 DG |
1558 | /* Get session name (trailing argument) */ |
1559 | session_name = poptGetArg(pc); | |
b551a063 | 1560 | DBG2("Session name: %s", session_name); |
9f19cc17 | 1561 | |
cd80958d DG |
1562 | if (opt_kernel) { |
1563 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
1564 | } else if (opt_userspace) { |
1565 | DBG2("Listing userspace global domain"); | |
1566 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
1567 | } else if (opt_jul) { |
1568 | DBG2("Listing JUL domain"); | |
1569 | domain.type = LTTNG_DOMAIN_JUL; | |
edf60534 | 1570 | } else if (opt_log4j) { |
5cdb6027 | 1571 | domain.type = LTTNG_DOMAIN_LOG4J; |
cd80958d DG |
1572 | } |
1573 | ||
834978fd DG |
1574 | if (!opt_kernel && opt_syscall) { |
1575 | WARN("--syscall will only work with the Kernel domain (-k)"); | |
1576 | ret = CMD_ERROR; | |
1577 | goto end; | |
1578 | } | |
1579 | ||
5cdb6027 | 1580 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j) { |
aa5de748 MD |
1581 | handle = lttng_create_handle(session_name, &domain); |
1582 | if (handle == NULL) { | |
1583 | ret = CMD_FATAL; | |
1584 | goto end; | |
1585 | } | |
cd80958d DG |
1586 | } |
1587 | ||
9f19cc17 | 1588 | if (session_name == NULL) { |
5cdb6027 | 1589 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j) { |
b551a063 | 1590 | ret = list_sessions(NULL); |
fb14d0d8 | 1591 | if (ret) { |
b551a063 DG |
1592 | goto end; |
1593 | } | |
1594 | } | |
9f19cc17 | 1595 | if (opt_kernel) { |
834978fd DG |
1596 | if (opt_syscall) { |
1597 | ret = list_syscalls(); | |
1598 | if (ret) { | |
1599 | goto end; | |
1600 | } | |
1601 | } else { | |
1602 | ret = list_kernel_events(); | |
1603 | if (ret) { | |
1604 | goto end; | |
1605 | } | |
9f19cc17 | 1606 | } |
b551a063 DG |
1607 | } |
1608 | if (opt_userspace) { | |
f37d259d MD |
1609 | if (opt_fields) { |
1610 | ret = list_ust_event_fields(); | |
1611 | } else { | |
1612 | ret = list_ust_events(); | |
1613 | } | |
fb14d0d8 | 1614 | if (ret) { |
9f19cc17 DG |
1615 | goto end; |
1616 | } | |
1617 | } | |
5cdb6027 DG |
1618 | if (opt_jul || opt_log4j) { |
1619 | ret = list_agent_events(); | |
fb14d0d8 | 1620 | if (ret) { |
3c6a091f DG |
1621 | goto end; |
1622 | } | |
1623 | } | |
9f19cc17 DG |
1624 | } else { |
1625 | /* List session attributes */ | |
fb14d0d8 JR |
1626 | if (lttng_opt_mi) { |
1627 | /* Open element sessions | |
1628 | * Present for xml consistency */ | |
1629 | ret = mi_lttng_sessions_open(writer); | |
1630 | if (ret) { | |
1631 | goto end; | |
1632 | } | |
1633 | } | |
1634 | /* MI: the ouptut of list_sessions is an unclosed session element */ | |
9f19cc17 | 1635 | ret = list_sessions(session_name); |
fb14d0d8 | 1636 | if (ret) { |
9f19cc17 DG |
1637 | goto end; |
1638 | } | |
1639 | ||
1640 | /* Domain listing */ | |
1641 | if (opt_domain) { | |
330be774 | 1642 | ret = list_domains(session_name); |
9f19cc17 DG |
1643 | goto end; |
1644 | } | |
1645 | ||
fb14d0d8 | 1646 | /* Channel listing */ |
1c3de747 | 1647 | if (opt_kernel || opt_userspace) { |
fb14d0d8 JR |
1648 | if (lttng_opt_mi) { |
1649 | /* Add of domains and domain element for xml | |
1650 | * consistency and validation | |
1651 | */ | |
1652 | ret = mi_lttng_domains_open(writer); | |
1653 | if (ret) { | |
1654 | goto end; | |
1655 | } | |
1656 | ||
1657 | /* Open domain and leave it open for | |
1658 | * nested channels printing */ | |
1659 | ret = mi_lttng_domain(writer, &domain, 1); | |
1660 | if (ret) { | |
1661 | goto end; | |
1662 | } | |
1663 | ||
1664 | } | |
1665 | ||
cd80958d | 1666 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
1667 | if (ret) { |
1668 | goto end; | |
1669 | } | |
1670 | ||
1671 | if (lttng_opt_mi) { | |
1672 | /* Close domain and domain element */ | |
1673 | ret = mi_lttng_close_multi_element(writer, 2); | |
1674 | } | |
1675 | if (ret) { | |
9f19cc17 DG |
1676 | goto end; |
1677 | } | |
fb14d0d8 JR |
1678 | |
1679 | ||
9f19cc17 | 1680 | } else { |
c617c0c6 MD |
1681 | int i, nb_domain; |
1682 | ||
9f19cc17 | 1683 | /* We want all domain(s) */ |
330be774 | 1684 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 1685 | if (nb_domain < 0) { |
fb14d0d8 JR |
1686 | ret = CMD_ERROR; |
1687 | ERR("%s", lttng_strerror(nb_domain)); | |
9f19cc17 DG |
1688 | goto end; |
1689 | } | |
1690 | ||
fb14d0d8 JR |
1691 | if (lttng_opt_mi) { |
1692 | ret = mi_lttng_domains_open(writer); | |
1693 | if (ret) { | |
1694 | ret = CMD_ERROR; | |
1695 | goto end; | |
1696 | } | |
1697 | } | |
1698 | ||
b551a063 | 1699 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
1700 | switch (domains[i].type) { |
1701 | case LTTNG_DOMAIN_KERNEL: | |
1702 | MSG("=== Domain: Kernel ===\n"); | |
1703 | break; | |
b551a063 DG |
1704 | case LTTNG_DOMAIN_UST: |
1705 | MSG("=== Domain: UST global ===\n"); | |
88c5f0d8 DG |
1706 | MSG("Buffer type: %s\n", |
1707 | domains[i].buf_type == | |
1708 | LTTNG_BUFFER_PER_PID ? "per PID" : "per UID"); | |
b551a063 | 1709 | break; |
3c6a091f DG |
1710 | case LTTNG_DOMAIN_JUL: |
1711 | MSG("=== Domain: JUL (Java Util Logging) ===\n"); | |
1712 | break; | |
5cdb6027 DG |
1713 | case LTTNG_DOMAIN_LOG4J: |
1714 | MSG("=== Domain: LOG4j (Logging for Java) ===\n"); | |
1715 | break; | |
9f19cc17 DG |
1716 | default: |
1717 | MSG("=== Domain: Unimplemented ===\n"); | |
1718 | break; | |
1719 | } | |
1720 | ||
fb14d0d8 JR |
1721 | if (lttng_opt_mi) { |
1722 | ret = mi_lttng_domain(writer, &domains[i], 1); | |
1723 | if (ret) { | |
1724 | ret = CMD_ERROR; | |
1725 | goto end; | |
1726 | } | |
1727 | } | |
1728 | ||
cd80958d | 1729 | /* Clean handle before creating a new one */ |
aa5de748 MD |
1730 | if (handle) { |
1731 | lttng_destroy_handle(handle); | |
1732 | } | |
cd80958d DG |
1733 | |
1734 | handle = lttng_create_handle(session_name, &domains[i]); | |
1735 | if (handle == NULL) { | |
ca1c3607 | 1736 | ret = CMD_FATAL; |
cd80958d DG |
1737 | goto end; |
1738 | } | |
1739 | ||
5cdb6027 DG |
1740 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
1741 | domains[i].type == LTTNG_DOMAIN_LOG4J) { | |
1742 | ret = list_session_agent_events(); | |
fb14d0d8 | 1743 | if (ret) { |
3c6a091f DG |
1744 | goto end; |
1745 | } | |
1746 | continue; | |
1747 | } | |
1748 | ||
cd80958d | 1749 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
1750 | if (ret) { |
1751 | goto end; | |
1752 | } | |
1753 | ||
1754 | if (lttng_opt_mi) { | |
1755 | /* Close domain element */ | |
1756 | ret = mi_lttng_writer_close_element(writer); | |
1757 | if (ret) { | |
1758 | ret = CMD_ERROR; | |
1759 | goto end; | |
1760 | } | |
1761 | } | |
1762 | ||
1763 | } | |
1764 | if (lttng_opt_mi) { | |
1765 | /* Close the domains, session and sessions element */ | |
1766 | ret = mi_lttng_close_multi_element(writer, 3); | |
1767 | if (ret) { | |
1768 | ret = CMD_ERROR; | |
9f19cc17 DG |
1769 | goto end; |
1770 | } | |
1771 | } | |
1772 | } | |
f3ed775e DG |
1773 | } |
1774 | ||
fb14d0d8 JR |
1775 | /* Mi closing */ |
1776 | if (lttng_opt_mi) { | |
1777 | /* Close output element */ | |
1778 | ret = mi_lttng_writer_close_element(writer); | |
1779 | if (ret) { | |
1780 | ret = CMD_ERROR; | |
1781 | goto end; | |
1782 | } | |
1783 | ||
1784 | /* Command element close */ | |
1785 | ret = mi_lttng_writer_command_close(writer); | |
1786 | if (ret) { | |
1787 | ret = CMD_ERROR; | |
1788 | goto end; | |
1789 | } | |
1790 | } | |
f3ed775e | 1791 | end: |
fb14d0d8 JR |
1792 | /* Mi clean-up */ |
1793 | if (writer && mi_lttng_writer_destroy(writer)) { | |
1794 | /* Preserve original error code */ | |
1795 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
1796 | } | |
1797 | ||
0e428499 | 1798 | free(domains); |
aa5de748 MD |
1799 | if (handle) { |
1800 | lttng_destroy_handle(handle); | |
1801 | } | |
cd80958d | 1802 | |
ca1c3607 | 1803 | poptFreeContext(pc); |
f3ed775e DG |
1804 | return ret; |
1805 | } |