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; |
0e115563 | 34 | static int opt_python; |
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}, |
0e115563 | 64 | {"python", 'p', POPT_ARG_VAL, &opt_python, 1, 0, 0}, |
d78d6610 DG |
65 | #if 0 |
66 | /* Not implemented yet */ | |
67 | {"userspace", 'u', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_cmd_name, OPT_USERSPACE, 0, 0}, | |
68 | {"pid", 'p', POPT_ARG_INT, &opt_pid, 0, 0, 0}, | |
69 | #else | |
70 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, | |
71 | #endif | |
9f19cc17 DG |
72 | {"channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0}, |
73 | {"domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0}, | |
f37d259d | 74 | {"fields", 'f', POPT_ARG_VAL, &opt_fields, 1, 0, 0}, |
834978fd | 75 | {"syscall", 'S', POPT_ARG_VAL, &opt_syscall, 1, 0, 0}, |
679b4943 | 76 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
f3ed775e DG |
77 | {0, 0, 0, 0, 0, 0, 0} |
78 | }; | |
79 | ||
80 | /* | |
81 | * usage | |
82 | */ | |
83 | static void usage(FILE *ofp) | |
84 | { | |
747361fe | 85 | fprintf(ofp, "usage: lttng list [OPTIONS] [SESSION [SESSION OPTIONS]]\n"); |
9f19cc17 DG |
86 | fprintf(ofp, "\n"); |
87 | fprintf(ofp, "With no arguments, list available tracing session(s)\n"); | |
88 | fprintf(ofp, "\n"); | |
27221701 DG |
89 | fprintf(ofp, "Without a session, -k lists available kernel events\n"); |
90 | fprintf(ofp, "Without a session, -u lists available userspace events\n"); | |
9f19cc17 DG |
91 | fprintf(ofp, "\n"); |
92 | fprintf(ofp, " -h, --help Show this help\n"); | |
27221701 | 93 | fprintf(ofp, " --list-options Simple listing of options\n"); |
9f19cc17 DG |
94 | fprintf(ofp, " -k, --kernel Select kernel domain\n"); |
95 | fprintf(ofp, " -u, --userspace Select user-space domain.\n"); | |
3c6a091f | 96 | fprintf(ofp, " -j, --jul Apply for Java application using JUL\n"); |
9ad71f16 | 97 | fprintf(ofp, " -l, --log4j Apply for Java application using LOG4J\n"); |
0e115563 | 98 | fprintf(ofp, " -p, --python Apply for Python application using logging\n"); |
f37d259d | 99 | fprintf(ofp, " -f, --fields List event fields.\n"); |
834978fd | 100 | fprintf(ofp, " --syscall List available system calls.\n"); |
d78d6610 | 101 | #if 0 |
9f19cc17 | 102 | fprintf(ofp, " -p, --pid PID List user-space events by PID\n"); |
d78d6610 | 103 | #endif |
f3ed775e | 104 | fprintf(ofp, "\n"); |
27221701 | 105 | fprintf(ofp, "Session Options:\n"); |
9f19cc17 DG |
106 | fprintf(ofp, " -c, --channel NAME List details of a channel\n"); |
107 | fprintf(ofp, " -d, --domain List available domain(s)\n"); | |
f3ed775e DG |
108 | fprintf(ofp, "\n"); |
109 | } | |
110 | ||
111 | /* | |
9f19cc17 | 112 | * Get command line from /proc for a specific pid. |
f3ed775e | 113 | * |
9f19cc17 DG |
114 | * On success, return an allocated string pointer to the proc cmdline. |
115 | * On error, return NULL. | |
f3ed775e DG |
116 | */ |
117 | static char *get_cmdline_by_pid(pid_t pid) | |
118 | { | |
119 | int ret; | |
1ad31aec | 120 | FILE *fp = NULL; |
f3ed775e | 121 | char *cmdline = NULL; |
5f1abdd9 | 122 | char path[20]; /* Can't go bigger than /proc/65535/cmdline */ |
f3ed775e DG |
123 | |
124 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); | |
125 | fp = fopen(path, "r"); | |
126 | if (fp == NULL) { | |
127 | goto end; | |
128 | } | |
129 | ||
130 | /* Caller must free() *cmdline */ | |
131 | cmdline = malloc(PATH_MAX); | |
f6962219 JG |
132 | if (!cmdline) { |
133 | perror("malloc cmdline"); | |
134 | goto end; | |
135 | } | |
f3ed775e | 136 | ret = fread(cmdline, 1, PATH_MAX, fp); |
f40799e8 DG |
137 | if (ret < 0) { |
138 | perror("fread proc list"); | |
139 | } | |
f3ed775e DG |
140 | |
141 | end: | |
1ad31aec DG |
142 | if (fp) { |
143 | fclose(fp); | |
144 | } | |
f3ed775e DG |
145 | return cmdline; |
146 | } | |
b551a063 | 147 | |
464dd62d MD |
148 | static |
149 | const char *active_string(int value) | |
150 | { | |
151 | switch (value) { | |
2cbf8fed DG |
152 | case 0: return "inactive"; |
153 | case 1: return "active"; | |
464dd62d MD |
154 | case -1: return ""; |
155 | default: return NULL; | |
156 | } | |
157 | } | |
158 | ||
2cbf8fed DG |
159 | static const char *snapshot_string(int value) |
160 | { | |
161 | switch (value) { | |
162 | case 1: | |
163 | return " snapshot"; | |
164 | default: | |
165 | return ""; | |
166 | } | |
167 | } | |
168 | ||
464dd62d MD |
169 | static |
170 | const char *enabled_string(int value) | |
171 | { | |
172 | switch (value) { | |
b09f0429 MD |
173 | case 0: return " [disabled]"; |
174 | case 1: return " [enabled]"; | |
464dd62d MD |
175 | case -1: return ""; |
176 | default: return NULL; | |
177 | } | |
178 | } | |
179 | ||
fceb65df MD |
180 | static |
181 | const char *filter_string(int value) | |
182 | { | |
183 | switch (value) { | |
184 | case 1: return " [with filter]"; | |
185 | default: return ""; | |
186 | } | |
187 | } | |
188 | ||
4634f12e JI |
189 | static |
190 | const char *exclusion_string(int value) | |
191 | { | |
192 | switch (value) { | |
193 | case 1: return " [has exclusions]"; | |
194 | default: return ""; | |
195 | } | |
196 | } | |
197 | ||
1f0e17de DG |
198 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
199 | { | |
200 | switch (value) { | |
af6bce80 DG |
201 | case LTTNG_EVENT_LOGLEVEL_ALL: |
202 | return ":"; | |
1f0e17de | 203 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
af6bce80 | 204 | return " <="; |
1f0e17de | 205 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
af6bce80 | 206 | return " =="; |
1f0e17de | 207 | default: |
af6bce80 | 208 | return " <<TYPE UNKN>>"; |
1f0e17de DG |
209 | } |
210 | } | |
211 | ||
834978fd DG |
212 | static const char *bitness_event(enum lttng_event_flag flags) |
213 | { | |
214 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_32) { | |
215 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
216 | return " [32/64-bit]"; | |
217 | } else { | |
218 | return " [32-bit]"; | |
219 | } | |
220 | } else if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
221 | return " [64-bit]"; | |
222 | } else { | |
223 | return ""; | |
224 | } | |
225 | } | |
226 | ||
b551a063 DG |
227 | /* |
228 | * Pretty print single event. | |
229 | */ | |
230 | static void print_events(struct lttng_event *event) | |
231 | { | |
232 | switch (event->type) { | |
233 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 234 | { |
8b703175 | 235 | if (event->loglevel != -1) { |
af6bce80 | 236 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
8b703175 | 237 | indent6, |
81afa345 | 238 | event->name, |
1f0e17de | 239 | logleveltype_string(event->loglevel_type), |
970d848b | 240 | mi_lttng_loglevel_string(event->loglevel, handle->domain.type), |
8b703175 | 241 | event->loglevel, |
fceb65df | 242 | enabled_string(event->enabled), |
4634f12e | 243 | exclusion_string(event->exclusion), |
fceb65df | 244 | filter_string(event->filter)); |
8b703175 | 245 | } else { |
4634f12e | 246 | MSG("%s%s (type: tracepoint)%s%s%s", |
8b703175 MD |
247 | indent6, |
248 | event->name, | |
fceb65df | 249 | enabled_string(event->enabled), |
4634f12e | 250 | exclusion_string(event->exclusion), |
fceb65df | 251 | filter_string(event->filter)); |
8b703175 | 252 | } |
b551a063 | 253 | break; |
e4baff1e | 254 | } |
1896972b DG |
255 | case LTTNG_EVENT_FUNCTION: |
256 | MSG("%s%s (type: function)%s%s", indent6, | |
257 | event->name, enabled_string(event->enabled), | |
258 | filter_string(event->filter)); | |
259 | if (event->attr.probe.addr != 0) { | |
260 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
261 | } else { | |
262 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
263 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
264 | } | |
265 | break; | |
b551a063 | 266 | case LTTNG_EVENT_PROBE: |
fceb65df MD |
267 | MSG("%s%s (type: probe)%s%s", indent6, |
268 | event->name, enabled_string(event->enabled), | |
269 | filter_string(event->filter)); | |
b551a063 DG |
270 | if (event->attr.probe.addr != 0) { |
271 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
272 | } else { | |
273 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
274 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
275 | } | |
276 | break; | |
b551a063 | 277 | case LTTNG_EVENT_FUNCTION_ENTRY: |
fceb65df MD |
278 | MSG("%s%s (type: function)%s%s", indent6, |
279 | event->name, enabled_string(event->enabled), | |
280 | filter_string(event->filter)); | |
b551a063 DG |
281 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
282 | break; | |
283 | case LTTNG_EVENT_SYSCALL: | |
834978fd DG |
284 | MSG("%s%s%s%s%s", indent6, event->name, |
285 | (opt_syscall ? "" : " (type:syscall)"), | |
fceb65df | 286 | enabled_string(event->enabled), |
834978fd | 287 | bitness_event(event->flags)); |
b551a063 DG |
288 | break; |
289 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
290 | MSG("%s (type: noop)%s%s", indent6, |
291 | enabled_string(event->enabled), | |
292 | filter_string(event->filter)); | |
b551a063 DG |
293 | break; |
294 | case LTTNG_EVENT_ALL: | |
295 | /* We should never have "all" events in list. */ | |
296 | assert(0); | |
297 | break; | |
298 | } | |
299 | } | |
300 | ||
f37d259d MD |
301 | static const char *field_type(struct lttng_event_field *field) |
302 | { | |
303 | switch(field->type) { | |
304 | case LTTNG_EVENT_FIELD_INTEGER: | |
305 | return "integer"; | |
306 | case LTTNG_EVENT_FIELD_ENUM: | |
307 | return "enum"; | |
308 | case LTTNG_EVENT_FIELD_FLOAT: | |
309 | return "float"; | |
310 | case LTTNG_EVENT_FIELD_STRING: | |
311 | return "string"; | |
312 | case LTTNG_EVENT_FIELD_OTHER: | |
313 | default: /* fall-through */ | |
314 | return "unknown"; | |
315 | } | |
316 | } | |
317 | ||
318 | /* | |
319 | * Pretty print single event fields. | |
320 | */ | |
321 | static void print_event_field(struct lttng_event_field *field) | |
322 | { | |
323 | if (!field->field_name[0]) { | |
324 | return; | |
325 | } | |
d8fbe2a9 | 326 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 327 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
328 | } |
329 | ||
fb14d0d8 JR |
330 | /* |
331 | * Machine interface | |
332 | * Jul and ust event listing | |
333 | */ | |
5cdb6027 | 334 | static int mi_list_agent_ust_events(struct lttng_event *events, int count, |
fb14d0d8 JR |
335 | struct lttng_domain *domain) |
336 | { | |
337 | int ret, i; | |
338 | pid_t cur_pid = 0; | |
339 | char *cmdline = NULL; | |
340 | int pid_element_open = 0; | |
341 | ||
342 | /* Open domains element */ | |
343 | ret = mi_lttng_domains_open(writer); | |
344 | if (ret) { | |
345 | goto end; | |
346 | } | |
347 | ||
348 | /* Write domain */ | |
349 | ret = mi_lttng_domain(writer, domain, 1); | |
350 | if (ret) { | |
351 | goto end; | |
352 | } | |
353 | ||
354 | /* Open pids element */ | |
355 | ret = mi_lttng_pids_open(writer); | |
356 | if (ret) { | |
357 | goto end; | |
358 | } | |
359 | ||
360 | for (i = 0; i < count; i++) { | |
361 | if (cur_pid != events[i].pid) { | |
362 | if (pid_element_open) { | |
363 | /* Close the previous events and pid element */ | |
364 | ret = mi_lttng_close_multi_element(writer, 2); | |
365 | if (ret) { | |
366 | goto end; | |
367 | } | |
368 | pid_element_open = 0; | |
369 | } | |
370 | ||
371 | cur_pid = events[i].pid; | |
372 | cmdline = get_cmdline_by_pid(cur_pid); | |
373 | if (!cmdline) { | |
374 | ret = CMD_ERROR; | |
375 | goto end; | |
376 | } | |
377 | ||
378 | if (!pid_element_open) { | |
379 | /* Open and write a pid element */ | |
380 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); | |
381 | if (ret) { | |
382 | goto error; | |
383 | } | |
384 | ||
385 | /* Open events element */ | |
386 | ret = mi_lttng_events_open(writer); | |
387 | if (ret) { | |
388 | goto error; | |
389 | } | |
390 | ||
391 | pid_element_open = 1; | |
392 | } | |
393 | free(cmdline); | |
394 | } | |
395 | ||
396 | /* Write an event */ | |
970d848b | 397 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
398 | if (ret) { |
399 | goto end; | |
400 | } | |
401 | } | |
402 | ||
403 | /* Close pids */ | |
404 | ret = mi_lttng_writer_close_element(writer); | |
405 | if (ret) { | |
406 | goto end; | |
407 | } | |
408 | ||
409 | /* Close domain, domains */ | |
410 | ret = mi_lttng_close_multi_element(writer, 2); | |
411 | end: | |
412 | return ret; | |
413 | error: | |
414 | free(cmdline); | |
415 | return ret; | |
416 | } | |
417 | ||
5cdb6027 | 418 | static int list_agent_events(void) |
3c6a091f | 419 | { |
fb14d0d8 | 420 | int i, size, ret = CMD_SUCCESS; |
3c6a091f DG |
421 | struct lttng_domain domain; |
422 | struct lttng_handle *handle; | |
423 | struct lttng_event *event_list; | |
424 | pid_t cur_pid = 0; | |
425 | char *cmdline = NULL; | |
5cdb6027 | 426 | const char *agent_domain_str; |
3c6a091f DG |
427 | |
428 | memset(&domain, 0, sizeof(domain)); | |
5cdb6027 DG |
429 | if (opt_jul) { |
430 | domain.type = LTTNG_DOMAIN_JUL; | |
431 | } else if (opt_log4j) { | |
432 | domain.type = LTTNG_DOMAIN_LOG4J; | |
0e115563 DG |
433 | } else if (opt_python) { |
434 | domain.type = LTTNG_DOMAIN_PYTHON; | |
5cdb6027 DG |
435 | } |
436 | ||
437 | agent_domain_str = get_domain_str(domain.type); | |
438 | ||
439 | DBG("Getting %s tracing events", agent_domain_str); | |
3c6a091f DG |
440 | |
441 | handle = lttng_create_handle(NULL, &domain); | |
442 | if (handle == NULL) { | |
fb14d0d8 JR |
443 | ret = CMD_ERROR; |
444 | goto end; | |
3c6a091f DG |
445 | } |
446 | ||
447 | size = lttng_list_tracepoints(handle, &event_list); | |
448 | if (size < 0) { | |
5cdb6027 DG |
449 | ERR("Unable to list %s events: %s", agent_domain_str, |
450 | lttng_strerror(size)); | |
fb14d0d8 JR |
451 | ret = CMD_ERROR; |
452 | goto end; | |
3c6a091f DG |
453 | } |
454 | ||
fb14d0d8 JR |
455 | if (lttng_opt_mi) { |
456 | /* Mi print */ | |
5cdb6027 | 457 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
458 | if (ret) { |
459 | ret = CMD_ERROR; | |
460 | goto error; | |
3c6a091f | 461 | } |
fb14d0d8 JR |
462 | } else { |
463 | /* Pretty print */ | |
5cdb6027 DG |
464 | MSG("%s events (Logger name):\n-------------------------", |
465 | agent_domain_str); | |
3c6a091f | 466 | |
fb14d0d8 JR |
467 | if (size == 0) { |
468 | MSG("None"); | |
469 | } | |
3c6a091f | 470 | |
fb14d0d8 JR |
471 | for (i = 0; i < size; i++) { |
472 | if (cur_pid != event_list[i].pid) { | |
473 | cur_pid = event_list[i].pid; | |
474 | cmdline = get_cmdline_by_pid(cur_pid); | |
475 | if (cmdline == NULL) { | |
476 | ret = CMD_ERROR; | |
477 | goto error; | |
478 | } | |
479 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
480 | free(cmdline); | |
481 | } | |
482 | MSG("%s- %s", indent6, event_list[i].name); | |
483 | } | |
3c6a091f | 484 | |
fb14d0d8 JR |
485 | MSG(""); |
486 | } | |
3c6a091f DG |
487 | |
488 | error: | |
fb14d0d8 JR |
489 | free(event_list); |
490 | end: | |
3c6a091f | 491 | lttng_destroy_handle(handle); |
fb14d0d8 | 492 | return ret; |
3c6a091f DG |
493 | } |
494 | ||
b551a063 DG |
495 | /* |
496 | * Ask session daemon for all user space tracepoints available. | |
497 | */ | |
498 | static int list_ust_events(void) | |
499 | { | |
fb14d0d8 | 500 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
501 | struct lttng_domain domain; |
502 | struct lttng_handle *handle; | |
503 | struct lttng_event *event_list; | |
504 | pid_t cur_pid = 0; | |
ea5cbc00 | 505 | char *cmdline = NULL; |
b551a063 | 506 | |
441c16a7 MD |
507 | memset(&domain, 0, sizeof(domain)); |
508 | ||
b551a063 DG |
509 | DBG("Getting UST tracing events"); |
510 | ||
511 | domain.type = LTTNG_DOMAIN_UST; | |
512 | ||
513 | handle = lttng_create_handle(NULL, &domain); | |
514 | if (handle == NULL) { | |
fb14d0d8 JR |
515 | ret = CMD_ERROR; |
516 | goto end; | |
b551a063 DG |
517 | } |
518 | ||
519 | size = lttng_list_tracepoints(handle, &event_list); | |
520 | if (size < 0) { | |
60e835ca | 521 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
fb14d0d8 JR |
522 | ret = CMD_ERROR; |
523 | goto error; | |
b551a063 DG |
524 | } |
525 | ||
fb14d0d8 JR |
526 | if (lttng_opt_mi) { |
527 | /* Mi print */ | |
5cdb6027 | 528 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
529 | } else { |
530 | /* Pretty print */ | |
531 | MSG("UST events:\n-------------"); | |
532 | ||
533 | if (size == 0) { | |
534 | MSG("None"); | |
535 | } | |
536 | ||
537 | for (i = 0; i < size; i++) { | |
538 | if (cur_pid != event_list[i].pid) { | |
539 | cur_pid = event_list[i].pid; | |
540 | cmdline = get_cmdline_by_pid(cur_pid); | |
541 | if (cmdline == NULL) { | |
542 | ret = CMD_ERROR; | |
543 | goto error; | |
544 | } | |
545 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
546 | free(cmdline); | |
547 | } | |
548 | print_events(&event_list[i]); | |
549 | } | |
b551a063 | 550 | |
fb14d0d8 | 551 | MSG(""); |
b551a063 DG |
552 | } |
553 | ||
fb14d0d8 JR |
554 | error: |
555 | free(event_list); | |
556 | end: | |
557 | lttng_destroy_handle(handle); | |
558 | return ret; | |
559 | } | |
560 | ||
561 | /* | |
562 | * Machine interface | |
563 | * List all ust event with their fields | |
564 | */ | |
565 | static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count, | |
566 | struct lttng_domain *domain) | |
567 | { | |
568 | int ret, i; | |
569 | pid_t cur_pid = 0; | |
570 | char *cmdline = NULL; | |
571 | int pid_element_open = 0; | |
572 | int event_element_open = 0; | |
573 | struct lttng_event cur_event; | |
574 | ||
575 | /* Open domains element */ | |
576 | ret = mi_lttng_domains_open(writer); | |
577 | if (ret) { | |
578 | goto end; | |
579 | } | |
580 | ||
581 | /* Write domain */ | |
582 | ret = mi_lttng_domain(writer, domain, 1); | |
583 | if (ret) { | |
584 | goto end; | |
585 | } | |
586 | ||
587 | /* Open pids element */ | |
588 | ret = mi_lttng_pids_open(writer); | |
589 | if (ret) { | |
590 | goto end; | |
591 | } | |
592 | ||
593 | for (i = 0; i < count; i++) { | |
594 | if (cur_pid != fields[i].event.pid) { | |
595 | if (pid_element_open) { | |
596 | if (event_element_open) { | |
485ca16f DG |
597 | |
598 | /* Close the previous field element and event. */ | |
fb14d0d8 JR |
599 | ret = mi_lttng_close_multi_element(writer, 2); |
600 | if (ret) { | |
601 | goto end; | |
602 | } | |
603 | event_element_open = 0; | |
604 | } | |
605 | /* Close the previous events, pid element */ | |
606 | ret = mi_lttng_close_multi_element(writer, 2); | |
607 | if (ret) { | |
608 | goto end; | |
609 | } | |
610 | pid_element_open = 0; | |
611 | } | |
612 | ||
613 | cur_pid = fields[i].event.pid; | |
ea5cbc00 | 614 | cmdline = get_cmdline_by_pid(cur_pid); |
fb14d0d8 JR |
615 | if (!pid_element_open) { |
616 | /* Open and write a pid element */ | |
617 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); | |
618 | if (ret) { | |
619 | goto error; | |
620 | } | |
621 | ||
622 | /* Open events element */ | |
623 | ret = mi_lttng_events_open(writer); | |
624 | if (ret) { | |
625 | goto error; | |
626 | } | |
627 | pid_element_open = 1; | |
628 | } | |
ea5cbc00 | 629 | free(cmdline); |
fb14d0d8 JR |
630 | /* Wipe current event since we are about to print a new PID. */ |
631 | memset(&cur_event, 0, sizeof(cur_event)); | |
b551a063 | 632 | } |
b551a063 | 633 | |
fb14d0d8 JR |
634 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
635 | if (event_element_open) { | |
636 | /* Close the previous fields element and the previous event */ | |
637 | ret = mi_lttng_close_multi_element(writer, 2); | |
638 | if (ret) { | |
639 | goto end; | |
640 | } | |
641 | event_element_open = 0; | |
642 | } | |
643 | ||
644 | memcpy(&cur_event, &fields[i].event, | |
645 | sizeof(cur_event)); | |
b551a063 | 646 | |
fb14d0d8 JR |
647 | if (!event_element_open) { |
648 | /* Open and write the event */ | |
970d848b DG |
649 | ret = mi_lttng_event(writer, &cur_event, 1, |
650 | handle->domain.type); | |
fb14d0d8 JR |
651 | if (ret) { |
652 | goto end; | |
653 | } | |
654 | ||
655 | /* Open a fields element */ | |
656 | ret = mi_lttng_event_fields_open(writer); | |
657 | if (ret) { | |
658 | goto end; | |
659 | } | |
660 | event_element_open = 1; | |
661 | } | |
662 | } | |
b551a063 | 663 | |
fb14d0d8 JR |
664 | /* Print the event_field */ |
665 | ret = mi_lttng_event_field(writer, &fields[i]); | |
666 | if (ret) { | |
667 | goto end; | |
668 | } | |
669 | } | |
b551a063 | 670 | |
fb14d0d8 JR |
671 | /* Close pids, domain, domains */ |
672 | ret = mi_lttng_close_multi_element(writer, 3); | |
673 | end: | |
674 | return ret; | |
b551a063 | 675 | error: |
fb14d0d8 JR |
676 | free(cmdline); |
677 | return ret; | |
b551a063 | 678 | } |
f3ed775e | 679 | |
f37d259d MD |
680 | /* |
681 | * Ask session daemon for all user space tracepoint fields available. | |
682 | */ | |
683 | static int list_ust_event_fields(void) | |
684 | { | |
fb14d0d8 | 685 | int i, size, ret = CMD_SUCCESS; |
f37d259d MD |
686 | struct lttng_domain domain; |
687 | struct lttng_handle *handle; | |
688 | struct lttng_event_field *event_field_list; | |
689 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
690 | char *cmdline = NULL; |
691 | ||
f37d259d MD |
692 | struct lttng_event cur_event; |
693 | ||
694 | memset(&domain, 0, sizeof(domain)); | |
695 | memset(&cur_event, 0, sizeof(cur_event)); | |
696 | ||
697 | DBG("Getting UST tracing event fields"); | |
698 | ||
699 | domain.type = LTTNG_DOMAIN_UST; | |
700 | ||
701 | handle = lttng_create_handle(NULL, &domain); | |
702 | if (handle == NULL) { | |
fb14d0d8 JR |
703 | ret = CMD_ERROR; |
704 | goto end; | |
f37d259d MD |
705 | } |
706 | ||
707 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
708 | if (size < 0) { | |
60e835ca | 709 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
fb14d0d8 JR |
710 | ret = CMD_ERROR; |
711 | goto end; | |
f37d259d MD |
712 | } |
713 | ||
fb14d0d8 JR |
714 | if (lttng_opt_mi) { |
715 | /* Mi print */ | |
716 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); | |
717 | if (ret) { | |
718 | ret = CMD_ERROR; | |
719 | goto error; | |
720 | } | |
721 | } else { | |
722 | /* Pretty print */ | |
723 | MSG("UST events:\n-------------"); | |
f37d259d | 724 | |
fb14d0d8 JR |
725 | if (size == 0) { |
726 | MSG("None"); | |
f37d259d | 727 | } |
fb14d0d8 JR |
728 | |
729 | for (i = 0; i < size; i++) { | |
730 | if (cur_pid != event_field_list[i].event.pid) { | |
731 | cur_pid = event_field_list[i].event.pid; | |
732 | cmdline = get_cmdline_by_pid(cur_pid); | |
733 | if (cmdline == NULL) { | |
734 | ret = CMD_ERROR; | |
735 | goto error; | |
736 | } | |
737 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
738 | free(cmdline); | |
739 | /* Wipe current event since we are about to print a new PID. */ | |
740 | memset(&cur_event, 0, sizeof(cur_event)); | |
741 | } | |
742 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
743 | print_events(&event_field_list[i].event); | |
744 | memcpy(&cur_event, &event_field_list[i].event, | |
745 | sizeof(cur_event)); | |
746 | } | |
747 | print_event_field(&event_field_list[i]); | |
f37d259d | 748 | } |
f37d259d | 749 | |
fb14d0d8 JR |
750 | MSG(""); |
751 | } | |
f37d259d | 752 | |
fb14d0d8 | 753 | error: |
f37d259d | 754 | free(event_field_list); |
fb14d0d8 | 755 | end: |
f37d259d | 756 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
757 | return ret; |
758 | } | |
f37d259d | 759 | |
fb14d0d8 JR |
760 | /* |
761 | * Machine interface | |
762 | * Print a list of kernel events | |
763 | */ | |
764 | static int mi_list_kernel_events(struct lttng_event *events, int count, | |
765 | struct lttng_domain *domain) | |
766 | { | |
767 | int ret, i; | |
f37d259d | 768 | |
fb14d0d8 JR |
769 | /* Open domains element */ |
770 | ret = mi_lttng_domains_open(writer); | |
771 | if (ret) { | |
772 | goto end; | |
773 | } | |
774 | ||
775 | /* Write domain */ | |
776 | ret = mi_lttng_domain(writer, domain, 1); | |
777 | if (ret) { | |
778 | goto end; | |
779 | } | |
780 | ||
781 | /* Open events */ | |
782 | ret = mi_lttng_events_open(writer); | |
783 | if (ret) { | |
784 | goto end; | |
785 | } | |
786 | ||
787 | for (i = 0; i < count; i++) { | |
970d848b | 788 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
789 | if (ret) { |
790 | goto end; | |
791 | } | |
792 | } | |
793 | ||
794 | /* close events, domain and domains */ | |
795 | ret = mi_lttng_close_multi_element(writer, 3); | |
796 | if (ret) { | |
797 | goto end; | |
798 | } | |
799 | ||
800 | end: | |
801 | return ret; | |
f37d259d MD |
802 | } |
803 | ||
f3ed775e | 804 | /* |
fb14d0d8 | 805 | * Ask for all trace events in the kernel |
f3ed775e | 806 | */ |
9f19cc17 | 807 | static int list_kernel_events(void) |
f3ed775e | 808 | { |
fb14d0d8 | 809 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
810 | struct lttng_domain domain; |
811 | struct lttng_handle *handle; | |
9f19cc17 | 812 | struct lttng_event *event_list; |
f3ed775e | 813 | |
441c16a7 MD |
814 | memset(&domain, 0, sizeof(domain)); |
815 | ||
b551a063 DG |
816 | DBG("Getting kernel tracing events"); |
817 | ||
818 | domain.type = LTTNG_DOMAIN_KERNEL; | |
819 | ||
820 | handle = lttng_create_handle(NULL, &domain); | |
821 | if (handle == NULL) { | |
fb14d0d8 | 822 | ret = CMD_ERROR; |
b551a063 DG |
823 | goto error; |
824 | } | |
f3ed775e | 825 | |
cd80958d | 826 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 827 | if (size < 0) { |
60e835ca | 828 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 829 | lttng_destroy_handle(handle); |
fb14d0d8 | 830 | return CMD_ERROR; |
f3ed775e DG |
831 | } |
832 | ||
fb14d0d8 JR |
833 | if (lttng_opt_mi) { |
834 | /* Mi print */ | |
835 | ret = mi_list_kernel_events(event_list, size, &domain); | |
836 | if (ret) { | |
837 | ret = CMD_ERROR; | |
838 | goto end; | |
839 | } | |
840 | } else { | |
841 | MSG("Kernel events:\n-------------"); | |
f3ed775e | 842 | |
fb14d0d8 JR |
843 | for (i = 0; i < size; i++) { |
844 | print_events(&event_list[i]); | |
845 | } | |
f3ed775e | 846 | |
fb14d0d8 JR |
847 | MSG(""); |
848 | } | |
b551a063 | 849 | |
fb14d0d8 | 850 | end: |
f3ed775e DG |
851 | free(event_list); |
852 | ||
ef021732 | 853 | lttng_destroy_handle(handle); |
fb14d0d8 | 854 | return ret; |
b551a063 DG |
855 | |
856 | error: | |
ef021732 | 857 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
858 | return ret; |
859 | } | |
860 | ||
834978fd DG |
861 | /* |
862 | * Machine interface | |
863 | * Print a list of system calls. | |
864 | */ | |
865 | static int mi_list_syscalls(struct lttng_event *events, int count) | |
866 | { | |
867 | int ret, i; | |
868 | ||
869 | /* Open events */ | |
870 | ret = mi_lttng_events_open(writer); | |
871 | if (ret) { | |
872 | goto end; | |
873 | } | |
874 | ||
875 | for (i = 0; i < count; i++) { | |
970d848b | 876 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
834978fd DG |
877 | if (ret) { |
878 | goto end; | |
879 | } | |
880 | } | |
881 | ||
882 | /* Close events. */ | |
883 | ret = mi_lttng_writer_close_element(writer); | |
884 | if (ret) { | |
885 | goto end; | |
886 | } | |
887 | ||
888 | end: | |
889 | return ret; | |
890 | } | |
891 | ||
892 | /* | |
893 | * Ask for kernel system calls. | |
894 | */ | |
895 | static int list_syscalls(void) | |
896 | { | |
897 | int i, size, ret = CMD_SUCCESS; | |
898 | struct lttng_event *event_list; | |
899 | ||
900 | DBG("Getting kernel system call events"); | |
901 | ||
902 | size = lttng_list_syscalls(&event_list); | |
903 | if (size < 0) { | |
904 | ERR("Unable to list system calls: %s", lttng_strerror(size)); | |
905 | ret = CMD_ERROR; | |
906 | goto error; | |
907 | } | |
908 | ||
909 | if (lttng_opt_mi) { | |
910 | /* Mi print */ | |
911 | ret = mi_list_syscalls(event_list, size); | |
912 | if (ret) { | |
913 | ret = CMD_ERROR; | |
914 | goto end; | |
915 | } | |
916 | } else { | |
917 | MSG("System calls:\n-------------"); | |
918 | ||
919 | for (i = 0; i < size; i++) { | |
920 | print_events(&event_list[i]); | |
921 | } | |
922 | ||
923 | MSG(""); | |
924 | } | |
925 | ||
926 | end: | |
927 | free(event_list); | |
928 | return ret; | |
929 | ||
930 | error: | |
931 | return ret; | |
932 | } | |
933 | ||
fb14d0d8 JR |
934 | /* |
935 | * Machine Interface | |
5cdb6027 | 936 | * Print a list of agent events |
fb14d0d8 | 937 | */ |
5cdb6027 | 938 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
fb14d0d8 JR |
939 | { |
940 | int ret, i; | |
941 | ||
942 | /* Open events element */ | |
943 | ret = mi_lttng_events_open(writer); | |
944 | if (ret) { | |
945 | goto end; | |
946 | } | |
947 | ||
948 | for (i = 0; i < count; i++) { | |
970d848b | 949 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
950 | if (ret) { |
951 | goto end; | |
952 | } | |
953 | } | |
954 | ||
955 | /* Close events element */ | |
956 | ret = mi_lttng_writer_close_element(writer); | |
957 | ||
958 | end: | |
959 | return ret; | |
f3ed775e DG |
960 | } |
961 | ||
3c6a091f | 962 | /* |
5cdb6027 | 963 | * List agent events for a specific session using the handle. |
3c6a091f DG |
964 | * |
965 | * Return CMD_SUCCESS on success else a negative value. | |
966 | */ | |
5cdb6027 | 967 | static int list_session_agent_events(void) |
3c6a091f | 968 | { |
fb14d0d8 | 969 | int ret = CMD_SUCCESS, count, i; |
3c6a091f DG |
970 | struct lttng_event *events = NULL; |
971 | ||
972 | count = lttng_list_events(handle, "", &events); | |
973 | if (count < 0) { | |
fb14d0d8 JR |
974 | ret = CMD_ERROR; |
975 | ERR("%s", lttng_strerror(count)); | |
3c6a091f DG |
976 | goto error; |
977 | } | |
978 | ||
fb14d0d8 JR |
979 | if (lttng_opt_mi) { |
980 | /* Mi print */ | |
5cdb6027 | 981 | ret = mi_list_session_agent_events(events, count); |
fb14d0d8 JR |
982 | if (ret) { |
983 | ret = CMD_ERROR; | |
984 | goto end; | |
985 | } | |
986 | } else { | |
987 | /* Pretty print */ | |
988 | MSG("Events (Logger name):\n---------------------"); | |
989 | if (count == 0) { | |
990 | MSG("%sNone\n", indent6); | |
991 | goto end; | |
992 | } | |
993 | ||
994 | for (i = 0; i < count; i++) { | |
995 | MSG("%s- %s%s (loglevel%s %s)", indent4, events[i].name, | |
996 | enabled_string(events[i].enabled), | |
997 | logleveltype_string(events[i].loglevel_type), | |
970d848b DG |
998 | mi_lttng_loglevel_string(events[i].loglevel, |
999 | handle->domain.type)); | |
fb14d0d8 JR |
1000 | } |
1001 | ||
1002 | MSG(""); | |
1003 | } | |
1004 | ||
1005 | end: | |
1006 | free(events); | |
1007 | error: | |
1008 | return ret; | |
1009 | } | |
1010 | ||
1011 | /* | |
1012 | * Machine interface | |
1013 | * print a list of event | |
1014 | */ | |
1015 | static int mi_list_events(struct lttng_event *events, int count) | |
1016 | { | |
1017 | int ret, i; | |
1018 | ||
1019 | /* Open events element */ | |
1020 | ret = mi_lttng_events_open(writer); | |
1021 | if (ret) { | |
3c6a091f DG |
1022 | goto end; |
1023 | } | |
1024 | ||
1025 | for (i = 0; i < count; i++) { | |
970d848b | 1026 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1027 | if (ret) { |
1028 | goto end; | |
1029 | } | |
3c6a091f DG |
1030 | } |
1031 | ||
fb14d0d8 JR |
1032 | /* Close events element */ |
1033 | ret = mi_lttng_writer_close_element(writer); | |
3c6a091f DG |
1034 | |
1035 | end: | |
3c6a091f DG |
1036 | return ret; |
1037 | } | |
1038 | ||
f3ed775e | 1039 | /* |
9f19cc17 | 1040 | * List events of channel of session and domain. |
f3ed775e | 1041 | */ |
cd80958d | 1042 | static int list_events(const char *channel_name) |
f3ed775e | 1043 | { |
fb14d0d8 | 1044 | int ret = CMD_SUCCESS, count, i; |
9f19cc17 | 1045 | struct lttng_event *events = NULL; |
f3ed775e | 1046 | |
cd80958d | 1047 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e | 1048 | if (count < 0) { |
fb14d0d8 JR |
1049 | ret = CMD_ERROR; |
1050 | ERR("%s", lttng_strerror(count)); | |
f3ed775e DG |
1051 | goto error; |
1052 | } | |
1053 | ||
fb14d0d8 JR |
1054 | if (lttng_opt_mi) { |
1055 | /* Mi print */ | |
1056 | ret = mi_list_events(events, count); | |
1057 | if (ret) { | |
1058 | ret = CMD_ERROR; | |
1059 | goto end; | |
1060 | } | |
1061 | } else { | |
1062 | /* Pretty print */ | |
1063 | MSG("\n%sEvents:", indent4); | |
1064 | if (count == 0) { | |
1065 | MSG("%sNone\n", indent6); | |
1066 | goto end; | |
1067 | } | |
f3ed775e | 1068 | |
fb14d0d8 JR |
1069 | for (i = 0; i < count; i++) { |
1070 | print_events(&events[i]); | |
1071 | } | |
f3ed775e | 1072 | |
fb14d0d8 JR |
1073 | MSG(""); |
1074 | } | |
9f19cc17 | 1075 | end: |
0e428499 | 1076 | free(events); |
f3ed775e DG |
1077 | error: |
1078 | return ret; | |
1079 | } | |
1080 | ||
1081 | /* | |
9f19cc17 DG |
1082 | * Pretty print channel |
1083 | */ | |
1084 | static void print_channel(struct lttng_channel *channel) | |
1085 | { | |
464dd62d | 1086 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
1087 | |
1088 | MSG("%sAttributes:", indent4); | |
a5bbe8f6 DG |
1089 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); |
1090 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
9f19cc17 | 1091 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); |
a5bbe8f6 DG |
1092 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); |
1093 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
2f785fe7 DG |
1094 | MSG("%strace file count: %" PRIu64, indent6, channel->attr.tracefile_count); |
1095 | MSG("%strace file size (bytes): %" PRIu64, indent6, channel->attr.tracefile_size); | |
9f19cc17 DG |
1096 | switch (channel->attr.output) { |
1097 | case LTTNG_EVENT_SPLICE: | |
1098 | MSG("%soutput: splice()", indent6); | |
1099 | break; | |
1100 | case LTTNG_EVENT_MMAP: | |
1101 | MSG("%soutput: mmap()", indent6); | |
1102 | break; | |
1103 | } | |
1104 | } | |
1105 | ||
fb14d0d8 JR |
1106 | /* |
1107 | * Machine interface | |
1108 | * Print a list of channel | |
1109 | * | |
1110 | */ | |
1111 | static int mi_list_channels(struct lttng_channel *channels, int count, | |
1112 | const char *channel_name) | |
1113 | { | |
1114 | int i, ret; | |
1115 | unsigned int chan_found = 0; | |
1116 | ||
1117 | /* Open channels element */ | |
1118 | ret = mi_lttng_channels_open(writer); | |
1119 | if (ret) { | |
1120 | goto error; | |
1121 | } | |
1122 | ||
1123 | for (i = 0; i < count; i++) { | |
1124 | if (channel_name != NULL) { | |
1125 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1126 | chan_found = 1; | |
1127 | } else { | |
1128 | continue; | |
1129 | } | |
1130 | } | |
1131 | ||
1132 | /* Write channel element and leave it open */ | |
1133 | ret = mi_lttng_channel(writer, &channels[i], 1); | |
1134 | if (ret) { | |
1135 | goto error; | |
1136 | } | |
1137 | ||
1138 | /* Listing events per channel */ | |
1139 | ret = list_events(channels[i].name); | |
1140 | if (ret) { | |
1141 | goto error; | |
1142 | } | |
1143 | ||
1144 | /* Closing the channel element we opened earlier */ | |
1145 | ret = mi_lttng_writer_close_element(writer); | |
1146 | if (ret) { | |
1147 | goto error; | |
1148 | } | |
1149 | ||
1150 | if (chan_found) { | |
1151 | break; | |
1152 | } | |
1153 | } | |
1154 | ||
1155 | /* Close channels element */ | |
1156 | ret = mi_lttng_writer_close_element(writer); | |
1157 | if (ret) { | |
1158 | goto error; | |
1159 | } | |
1160 | ||
1161 | error: | |
1162 | return ret; | |
1163 | } | |
1164 | ||
9f19cc17 DG |
1165 | /* |
1166 | * List channel(s) of session and domain. | |
f3ed775e | 1167 | * |
9f19cc17 | 1168 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 1169 | */ |
cd80958d | 1170 | static int list_channels(const char *channel_name) |
f3ed775e | 1171 | { |
9f19cc17 DG |
1172 | int count, i, ret = CMD_SUCCESS; |
1173 | unsigned int chan_found = 0; | |
1174 | struct lttng_channel *channels = NULL; | |
f3ed775e | 1175 | |
3e25cb20 | 1176 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 1177 | |
cd80958d | 1178 | count = lttng_list_channels(handle, &channels); |
f3ed775e | 1179 | if (count < 0) { |
c7d620a2 DG |
1180 | switch (-count) { |
1181 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
fb14d0d8 JR |
1182 | if (lttng_opt_mi) { |
1183 | /* When printing mi this is not an error | |
1184 | * but an empty channels element */ | |
1185 | count = 0; | |
1186 | } else { | |
1187 | ret = CMD_SUCCESS; | |
1188 | WARN("No kernel channel"); | |
1189 | goto error_channels; | |
1190 | } | |
c7d620a2 DG |
1191 | break; |
1192 | default: | |
1193 | /* We had a real error */ | |
fb14d0d8 JR |
1194 | ret = CMD_ERROR; |
1195 | ERR("%s", lttng_strerror(count)); | |
1196 | goto error_channels; | |
60e835ca | 1197 | break; |
c7d620a2 | 1198 | } |
f3ed775e DG |
1199 | } |
1200 | ||
fb14d0d8 JR |
1201 | if (lttng_opt_mi) { |
1202 | /* Mi print */ | |
1203 | ret = mi_list_channels(channels, count, channel_name); | |
1204 | if (ret) { | |
1205 | ret = CMD_ERROR; | |
1206 | goto error; | |
1207 | } | |
1208 | } else { | |
1209 | /* Pretty print */ | |
ade7ce52 | 1210 | if (count) { |
fb14d0d8 JR |
1211 | MSG("Channels:\n-------------"); |
1212 | } | |
9f19cc17 | 1213 | |
fb14d0d8 JR |
1214 | for (i = 0; i < count; i++) { |
1215 | if (channel_name != NULL) { | |
1216 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1217 | chan_found = 1; | |
1218 | } else { | |
1219 | continue; | |
1220 | } | |
1221 | } | |
1222 | print_channel(&channels[i]); | |
1223 | ||
1224 | /* Listing events per channel */ | |
1225 | ret = list_events(channels[i].name); | |
1226 | if (ret) { | |
1227 | goto error; | |
1228 | } | |
1229 | ||
1230 | if (chan_found) { | |
1231 | break; | |
9f19cc17 DG |
1232 | } |
1233 | } | |
9f19cc17 | 1234 | |
fb14d0d8 JR |
1235 | if (!chan_found && channel_name != NULL) { |
1236 | ret = CMD_ERROR; | |
1237 | ERR("Channel %s not found", channel_name); | |
1238 | goto error; | |
9f19cc17 | 1239 | } |
fb14d0d8 JR |
1240 | } |
1241 | error: | |
1242 | free(channels); | |
9f19cc17 | 1243 | |
fb14d0d8 JR |
1244 | error_channels: |
1245 | return ret; | |
1246 | } | |
1247 | ||
1248 | /* | |
1249 | * Machine interface | |
1250 | * Find the session with session_name as name | |
1251 | * and print his informations. | |
1252 | */ | |
1253 | static int mi_list_session(const char *session_name, | |
1254 | struct lttng_session *sessions, int count) | |
1255 | { | |
1256 | int ret, i; | |
1257 | unsigned int session_found = 0; | |
1258 | ||
1259 | if (session_name == NULL) { | |
1260 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1261 | goto end; | |
1262 | } | |
1263 | ||
1264 | for (i = 0; i < count; i++) { | |
1265 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1266 | /* We need to leave it open to append other informations | |
1267 | * like domain, channel, events etc.*/ | |
1268 | session_found = 1; | |
1269 | ret = mi_lttng_session(writer, &sessions[i], 1); | |
1270 | if (ret) { | |
1271 | goto end; | |
1272 | } | |
9f19cc17 | 1273 | break; |
f3ed775e | 1274 | } |
f3ed775e DG |
1275 | } |
1276 | ||
fb14d0d8 JR |
1277 | if (!session_found) { |
1278 | ERR("Session '%s' not found", session_name); | |
1279 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1280 | goto end; | |
9f19cc17 | 1281 | } |
f3ed775e | 1282 | |
fb14d0d8 JR |
1283 | end: |
1284 | return ret; | |
1285 | } | |
f3ed775e | 1286 | |
fb14d0d8 JR |
1287 | /* |
1288 | * Machine interface | |
1289 | * List all availables session | |
1290 | */ | |
1291 | static int mi_list_sessions(struct lttng_session *sessions, int count) | |
1292 | { | |
1293 | int ret, i; | |
ae856491 | 1294 | |
fb14d0d8 JR |
1295 | /* Opening sessions element */ |
1296 | ret = mi_lttng_sessions_open(writer); | |
1297 | if (ret) { | |
1298 | goto end; | |
1299 | } | |
1300 | ||
1301 | /* Listing sessions */ | |
1302 | for (i = 0; i < count; i++) { | |
1303 | ret = mi_lttng_session(writer, &sessions[i], 0); | |
1304 | if (ret) { | |
1305 | goto end; | |
1306 | } | |
1307 | } | |
1308 | ||
1309 | /* Closing sessions element */ | |
1310 | ret = mi_lttng_writer_close_element(writer); | |
1311 | if (ret) { | |
1312 | goto end; | |
1313 | } | |
1314 | ||
1315 | end: | |
f3ed775e DG |
1316 | return ret; |
1317 | } | |
1318 | ||
1319 | /* | |
9f19cc17 | 1320 | * List available tracing session. List only basic information. |
f3ed775e | 1321 | * |
9f19cc17 | 1322 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 1323 | */ |
9f19cc17 | 1324 | static int list_sessions(const char *session_name) |
f3ed775e | 1325 | { |
fb14d0d8 JR |
1326 | int ret = CMD_SUCCESS; |
1327 | int count, i; | |
9f19cc17 DG |
1328 | unsigned int session_found = 0; |
1329 | struct lttng_session *sessions; | |
1330 | ||
1331 | count = lttng_list_sessions(&sessions); | |
1332 | DBG("Session count %d", count); | |
1333 | if (count < 0) { | |
fb14d0d8 JR |
1334 | ret = CMD_ERROR; |
1335 | ERR("%s", lttng_strerror(count)); | |
d32fb093 | 1336 | goto end; |
9f19cc17 DG |
1337 | } |
1338 | ||
fb14d0d8 JR |
1339 | if (lttng_opt_mi) { |
1340 | /* Mi */ | |
1341 | if (session_name == NULL) { | |
1342 | /* List all session */ | |
1343 | ret = mi_list_sessions(sessions, count); | |
1344 | } else { | |
1345 | /* Note : this return an open session element */ | |
1346 | ret = mi_list_session(session_name, sessions, count); | |
1347 | } | |
1348 | if (ret) { | |
1349 | ret = CMD_ERROR; | |
1350 | goto error; | |
1351 | } | |
1352 | } else { | |
1353 | /* Pretty print */ | |
1354 | if (count == 0) { | |
1355 | MSG("Currently no available tracing session"); | |
fb14d0d8 JR |
1356 | goto end; |
1357 | } | |
9f19cc17 | 1358 | |
fb14d0d8 JR |
1359 | if (session_name == NULL) { |
1360 | MSG("Available tracing sessions:"); | |
1361 | } | |
1362 | ||
1363 | ||
1364 | for (i = 0; i < count; i++) { | |
1365 | if (session_name != NULL) { | |
1366 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1367 | session_found = 1; | |
1368 | MSG("Tracing session %s: [%s%s]", session_name, | |
1369 | active_string(sessions[i].enabled), | |
1370 | snapshot_string(sessions[i].snapshot_mode)); | |
1371 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); | |
1372 | break; | |
1373 | } | |
1374 | } else { | |
1375 | MSG(" %d) %s (%s) [%s%s]", i + 1, | |
1376 | sessions[i].name, sessions[i].path, | |
2cbf8fed DG |
1377 | active_string(sessions[i].enabled), |
1378 | snapshot_string(sessions[i].snapshot_mode)); | |
2f785fe7 DG |
1379 | MSG("%sTrace path: %s", indent4, sessions[i].path); |
1380 | MSG("%sLive timer interval (usec): %u\n", indent4, | |
1381 | sessions[i].live_timer_interval); | |
9f19cc17 | 1382 | } |
fb14d0d8 JR |
1383 | } |
1384 | ||
1385 | if (!session_found && session_name != NULL) { | |
1386 | ERR("Session '%s' not found", session_name); | |
1387 | ret = CMD_ERROR; | |
1388 | goto error; | |
1389 | } | |
1390 | ||
1391 | if (session_name == NULL) { | |
1392 | MSG("\nUse lttng list <session_name> for more details"); | |
9f19cc17 DG |
1393 | } |
1394 | } | |
1395 | ||
fb14d0d8 | 1396 | error: |
9f19cc17 | 1397 | free(sessions); |
fb14d0d8 JR |
1398 | end: |
1399 | return ret; | |
1400 | } | |
9f19cc17 | 1401 | |
fb14d0d8 JR |
1402 | |
1403 | /* | |
1404 | * Machine Interface | |
1405 | * list available domain(s) for a session. | |
1406 | */ | |
1407 | static int mi_list_domains(struct lttng_domain *domains, int count) | |
1408 | { | |
1409 | int i, ret; | |
1410 | /* Open domains element */ | |
1411 | ret = mi_lttng_domains_open(writer); | |
1412 | if (ret) { | |
1413 | goto end; | |
9f19cc17 DG |
1414 | } |
1415 | ||
fb14d0d8 JR |
1416 | for (i = 0; i < count; i++) { |
1417 | ret = mi_lttng_domain(writer, &domains[i] , 0); | |
1418 | if (ret) { | |
1419 | goto end; | |
1420 | } | |
9f19cc17 | 1421 | } |
f3ed775e | 1422 | |
fb14d0d8 JR |
1423 | /* Closing domains element */ |
1424 | ret = mi_lttng_writer_close_element(writer); | |
1425 | if (ret) { | |
1426 | goto end; | |
1427 | } | |
d32fb093 | 1428 | end: |
f3ed775e DG |
1429 | return ret; |
1430 | } | |
f3ed775e DG |
1431 | |
1432 | /* | |
9f19cc17 | 1433 | * List available domain(s) for a session. |
f3ed775e | 1434 | */ |
330be774 | 1435 | static int list_domains(const char *session_name) |
f3ed775e | 1436 | { |
9f19cc17 DG |
1437 | int i, count, ret = CMD_SUCCESS; |
1438 | struct lttng_domain *domains = NULL; | |
1439 | ||
9f19cc17 | 1440 | |
330be774 | 1441 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 | 1442 | if (count < 0) { |
fb14d0d8 JR |
1443 | ret = CMD_ERROR; |
1444 | ERR("%s", lttng_strerror(count)); | |
9f19cc17 DG |
1445 | goto end; |
1446 | } | |
1447 | ||
fb14d0d8 JR |
1448 | if (lttng_opt_mi) { |
1449 | /* Mi output */ | |
1450 | ret = mi_list_domains(domains, count); | |
1451 | if (ret) { | |
1452 | ret = CMD_ERROR; | |
1453 | goto error; | |
1454 | } | |
1455 | } else { | |
1456 | /* Pretty print */ | |
1457 | MSG("Domains:\n-------------"); | |
1458 | if (count == 0) { | |
1459 | MSG(" None"); | |
1460 | goto end; | |
1461 | } | |
1462 | ||
1463 | for (i = 0; i < count; i++) { | |
1464 | switch (domains[i].type) { | |
1465 | case LTTNG_DOMAIN_KERNEL: | |
1466 | MSG(" - Kernel"); | |
1467 | break; | |
1468 | case LTTNG_DOMAIN_UST: | |
1469 | MSG(" - UST global"); | |
1470 | break; | |
1471 | case LTTNG_DOMAIN_JUL: | |
1472 | MSG(" - JUL (Java Util Logging)"); | |
1473 | break; | |
5cdb6027 DG |
1474 | case LTTNG_DOMAIN_LOG4J: |
1475 | MSG(" - LOG4j (Logging for Java)"); | |
1476 | break; | |
0e115563 DG |
1477 | case LTTNG_DOMAIN_PYTHON: |
1478 | MSG(" - Python (logging)"); | |
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; |
0e115563 DG |
1572 | } else if (opt_python) { |
1573 | domain.type = LTTNG_DOMAIN_PYTHON; | |
cd80958d DG |
1574 | } |
1575 | ||
834978fd DG |
1576 | if (!opt_kernel && opt_syscall) { |
1577 | WARN("--syscall will only work with the Kernel domain (-k)"); | |
1578 | ret = CMD_ERROR; | |
1579 | goto end; | |
1580 | } | |
1581 | ||
0e115563 | 1582 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_python) { |
aa5de748 MD |
1583 | handle = lttng_create_handle(session_name, &domain); |
1584 | if (handle == NULL) { | |
1585 | ret = CMD_FATAL; | |
1586 | goto end; | |
1587 | } | |
cd80958d DG |
1588 | } |
1589 | ||
9f19cc17 | 1590 | if (session_name == NULL) { |
0e115563 DG |
1591 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j |
1592 | && !opt_python) { | |
b551a063 | 1593 | ret = list_sessions(NULL); |
fb14d0d8 | 1594 | if (ret) { |
b551a063 DG |
1595 | goto end; |
1596 | } | |
1597 | } | |
9f19cc17 | 1598 | if (opt_kernel) { |
834978fd DG |
1599 | if (opt_syscall) { |
1600 | ret = list_syscalls(); | |
1601 | if (ret) { | |
1602 | goto end; | |
1603 | } | |
1604 | } else { | |
1605 | ret = list_kernel_events(); | |
1606 | if (ret) { | |
1607 | goto end; | |
1608 | } | |
9f19cc17 | 1609 | } |
b551a063 DG |
1610 | } |
1611 | if (opt_userspace) { | |
f37d259d MD |
1612 | if (opt_fields) { |
1613 | ret = list_ust_event_fields(); | |
1614 | } else { | |
1615 | ret = list_ust_events(); | |
1616 | } | |
fb14d0d8 | 1617 | if (ret) { |
9f19cc17 DG |
1618 | goto end; |
1619 | } | |
1620 | } | |
0e115563 | 1621 | if (opt_jul || opt_log4j || opt_python) { |
5cdb6027 | 1622 | ret = list_agent_events(); |
fb14d0d8 | 1623 | if (ret) { |
3c6a091f DG |
1624 | goto end; |
1625 | } | |
1626 | } | |
9f19cc17 DG |
1627 | } else { |
1628 | /* List session attributes */ | |
fb14d0d8 JR |
1629 | if (lttng_opt_mi) { |
1630 | /* Open element sessions | |
1631 | * Present for xml consistency */ | |
1632 | ret = mi_lttng_sessions_open(writer); | |
1633 | if (ret) { | |
1634 | goto end; | |
1635 | } | |
1636 | } | |
1637 | /* MI: the ouptut of list_sessions is an unclosed session element */ | |
9f19cc17 | 1638 | ret = list_sessions(session_name); |
fb14d0d8 | 1639 | if (ret) { |
9f19cc17 DG |
1640 | goto end; |
1641 | } | |
1642 | ||
1643 | /* Domain listing */ | |
1644 | if (opt_domain) { | |
330be774 | 1645 | ret = list_domains(session_name); |
9f19cc17 DG |
1646 | goto end; |
1647 | } | |
1648 | ||
fb14d0d8 | 1649 | /* Channel listing */ |
1c3de747 | 1650 | if (opt_kernel || opt_userspace) { |
fb14d0d8 JR |
1651 | if (lttng_opt_mi) { |
1652 | /* Add of domains and domain element for xml | |
1653 | * consistency and validation | |
1654 | */ | |
1655 | ret = mi_lttng_domains_open(writer); | |
1656 | if (ret) { | |
1657 | goto end; | |
1658 | } | |
1659 | ||
1660 | /* Open domain and leave it open for | |
1661 | * nested channels printing */ | |
1662 | ret = mi_lttng_domain(writer, &domain, 1); | |
1663 | if (ret) { | |
1664 | goto end; | |
1665 | } | |
1666 | ||
1667 | } | |
1668 | ||
cd80958d | 1669 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
1670 | if (ret) { |
1671 | goto end; | |
1672 | } | |
1673 | ||
1674 | if (lttng_opt_mi) { | |
1675 | /* Close domain and domain element */ | |
1676 | ret = mi_lttng_close_multi_element(writer, 2); | |
1677 | } | |
1678 | if (ret) { | |
9f19cc17 DG |
1679 | goto end; |
1680 | } | |
fb14d0d8 JR |
1681 | |
1682 | ||
9f19cc17 | 1683 | } else { |
c617c0c6 MD |
1684 | int i, nb_domain; |
1685 | ||
9f19cc17 | 1686 | /* We want all domain(s) */ |
330be774 | 1687 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 1688 | if (nb_domain < 0) { |
fb14d0d8 JR |
1689 | ret = CMD_ERROR; |
1690 | ERR("%s", lttng_strerror(nb_domain)); | |
9f19cc17 DG |
1691 | goto end; |
1692 | } | |
1693 | ||
fb14d0d8 JR |
1694 | if (lttng_opt_mi) { |
1695 | ret = mi_lttng_domains_open(writer); | |
1696 | if (ret) { | |
1697 | ret = CMD_ERROR; | |
1698 | goto end; | |
1699 | } | |
1700 | } | |
1701 | ||
b551a063 | 1702 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
1703 | switch (domains[i].type) { |
1704 | case LTTNG_DOMAIN_KERNEL: | |
1705 | MSG("=== Domain: Kernel ===\n"); | |
1706 | break; | |
b551a063 DG |
1707 | case LTTNG_DOMAIN_UST: |
1708 | MSG("=== Domain: UST global ===\n"); | |
88c5f0d8 DG |
1709 | MSG("Buffer type: %s\n", |
1710 | domains[i].buf_type == | |
1711 | LTTNG_BUFFER_PER_PID ? "per PID" : "per UID"); | |
b551a063 | 1712 | break; |
3c6a091f DG |
1713 | case LTTNG_DOMAIN_JUL: |
1714 | MSG("=== Domain: JUL (Java Util Logging) ===\n"); | |
1715 | break; | |
5cdb6027 DG |
1716 | case LTTNG_DOMAIN_LOG4J: |
1717 | MSG("=== Domain: LOG4j (Logging for Java) ===\n"); | |
1718 | break; | |
0e115563 DG |
1719 | case LTTNG_DOMAIN_PYTHON: |
1720 | MSG("=== Domain: Python (logging) ===\n"); | |
1721 | break; | |
9f19cc17 DG |
1722 | default: |
1723 | MSG("=== Domain: Unimplemented ===\n"); | |
1724 | break; | |
1725 | } | |
1726 | ||
fb14d0d8 JR |
1727 | if (lttng_opt_mi) { |
1728 | ret = mi_lttng_domain(writer, &domains[i], 1); | |
1729 | if (ret) { | |
1730 | ret = CMD_ERROR; | |
1731 | goto end; | |
1732 | } | |
1733 | } | |
1734 | ||
cd80958d | 1735 | /* Clean handle before creating a new one */ |
aa5de748 MD |
1736 | if (handle) { |
1737 | lttng_destroy_handle(handle); | |
1738 | } | |
cd80958d DG |
1739 | |
1740 | handle = lttng_create_handle(session_name, &domains[i]); | |
1741 | if (handle == NULL) { | |
ca1c3607 | 1742 | ret = CMD_FATAL; |
cd80958d DG |
1743 | goto end; |
1744 | } | |
1745 | ||
5cdb6027 | 1746 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
0e115563 DG |
1747 | domains[i].type == LTTNG_DOMAIN_LOG4J || |
1748 | domains[i].type == LTTNG_DOMAIN_PYTHON) { | |
5cdb6027 | 1749 | ret = list_session_agent_events(); |
fb14d0d8 | 1750 | if (ret) { |
3c6a091f DG |
1751 | goto end; |
1752 | } | |
1753 | continue; | |
1754 | } | |
1755 | ||
cd80958d | 1756 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
1757 | if (ret) { |
1758 | goto end; | |
1759 | } | |
1760 | ||
1761 | if (lttng_opt_mi) { | |
1762 | /* Close domain element */ | |
1763 | ret = mi_lttng_writer_close_element(writer); | |
1764 | if (ret) { | |
1765 | ret = CMD_ERROR; | |
1766 | goto end; | |
1767 | } | |
1768 | } | |
1769 | ||
1770 | } | |
1771 | if (lttng_opt_mi) { | |
1772 | /* Close the domains, session and sessions element */ | |
1773 | ret = mi_lttng_close_multi_element(writer, 3); | |
1774 | if (ret) { | |
1775 | ret = CMD_ERROR; | |
9f19cc17 DG |
1776 | goto end; |
1777 | } | |
1778 | } | |
1779 | } | |
f3ed775e DG |
1780 | } |
1781 | ||
fb14d0d8 JR |
1782 | /* Mi closing */ |
1783 | if (lttng_opt_mi) { | |
1784 | /* Close output element */ | |
1785 | ret = mi_lttng_writer_close_element(writer); | |
1786 | if (ret) { | |
1787 | ret = CMD_ERROR; | |
1788 | goto end; | |
1789 | } | |
1790 | ||
1791 | /* Command element close */ | |
1792 | ret = mi_lttng_writer_command_close(writer); | |
1793 | if (ret) { | |
1794 | ret = CMD_ERROR; | |
1795 | goto end; | |
1796 | } | |
1797 | } | |
f3ed775e | 1798 | end: |
fb14d0d8 JR |
1799 | /* Mi clean-up */ |
1800 | if (writer && mi_lttng_writer_destroy(writer)) { | |
1801 | /* Preserve original error code */ | |
1802 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
1803 | } | |
1804 | ||
0e428499 | 1805 | free(domains); |
aa5de748 MD |
1806 | if (handle) { |
1807 | lttng_destroy_handle(handle); | |
1808 | } | |
cd80958d | 1809 | |
ca1c3607 | 1810 | poptFreeContext(pc); |
f3ed775e DG |
1811 | return ret; |
1812 | } |