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 | ||
6c1c0768 | 18 | #define _LGPL_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> |
fae9a062 | 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; |
0e115563 | 35 | static int opt_python; |
9f19cc17 DG |
36 | static char *opt_channel; |
37 | static int opt_domain; | |
f37d259d | 38 | static int opt_fields; |
834978fd | 39 | static int opt_syscall; |
9f19cc17 DG |
40 | |
41 | const char *indent4 = " "; | |
42 | const char *indent6 = " "; | |
43 | const char *indent8 = " "; | |
f3ed775e | 44 | |
4fc83d94 PP |
45 | #ifdef LTTNG_EMBED_HELP |
46 | static const char help_msg[] = | |
47 | #include <lttng-list.1.h> | |
48 | ; | |
49 | #endif | |
50 | ||
f3ed775e DG |
51 | enum { |
52 | OPT_HELP = 1, | |
eeac7d46 | 53 | OPT_USERSPACE, |
679b4943 | 54 | OPT_LIST_OPTIONS, |
f3ed775e DG |
55 | }; |
56 | ||
cd80958d | 57 | static struct lttng_handle *handle; |
fb14d0d8 | 58 | static struct mi_writer *writer; |
cd80958d | 59 | |
f3ed775e DG |
60 | static struct poptOption long_options[] = { |
61 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
2fa605f7 JG |
62 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, |
63 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, | |
64 | {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0}, | |
65 | {"log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0}, | |
66 | {"python", 'p', POPT_ARG_VAL, &opt_python, 1, 0, 0}, | |
67 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, | |
68 | {"channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0}, | |
69 | {"domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0}, | |
70 | {"fields", 'f', POPT_ARG_VAL, &opt_fields, 1, 0, 0}, | |
71 | {"syscall", 'S', POPT_ARG_VAL, &opt_syscall, 1, 0, 0}, | |
679b4943 | 72 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
f3ed775e DG |
73 | {0, 0, 0, 0, 0, 0, 0} |
74 | }; | |
75 | ||
f3ed775e | 76 | /* |
9f19cc17 | 77 | * Get command line from /proc for a specific pid. |
f3ed775e | 78 | * |
9f19cc17 DG |
79 | * On success, return an allocated string pointer to the proc cmdline. |
80 | * On error, return NULL. | |
f3ed775e DG |
81 | */ |
82 | static char *get_cmdline_by_pid(pid_t pid) | |
83 | { | |
84 | int ret; | |
1ad31aec | 85 | FILE *fp = NULL; |
f3ed775e | 86 | char *cmdline = NULL; |
fae9a062 JG |
87 | /* Can't go bigger than /proc/LTTNG_MAX_PID/cmdline */ |
88 | char path[sizeof("/proc//cmdline") + sizeof(LTTNG_MAX_PID_STR) - 1]; | |
f3ed775e DG |
89 | |
90 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); | |
91 | fp = fopen(path, "r"); | |
92 | if (fp == NULL) { | |
93 | goto end; | |
94 | } | |
95 | ||
96 | /* Caller must free() *cmdline */ | |
63a2c1bd | 97 | cmdline = zmalloc(PATH_MAX); |
f6962219 | 98 | if (!cmdline) { |
6f04ed72 | 99 | PERROR("malloc cmdline"); |
f6962219 JG |
100 | goto end; |
101 | } | |
f3ed775e | 102 | ret = fread(cmdline, 1, PATH_MAX, fp); |
f40799e8 | 103 | if (ret < 0) { |
6f04ed72 | 104 | PERROR("fread proc list"); |
f40799e8 | 105 | } |
f3ed775e DG |
106 | |
107 | end: | |
1ad31aec DG |
108 | if (fp) { |
109 | fclose(fp); | |
110 | } | |
f3ed775e DG |
111 | return cmdline; |
112 | } | |
b551a063 | 113 | |
464dd62d MD |
114 | static |
115 | const char *active_string(int value) | |
116 | { | |
117 | switch (value) { | |
2cbf8fed DG |
118 | case 0: return "inactive"; |
119 | case 1: return "active"; | |
464dd62d MD |
120 | case -1: return ""; |
121 | default: return NULL; | |
122 | } | |
123 | } | |
124 | ||
2cbf8fed DG |
125 | static const char *snapshot_string(int value) |
126 | { | |
127 | switch (value) { | |
128 | case 1: | |
129 | return " snapshot"; | |
130 | default: | |
131 | return ""; | |
132 | } | |
133 | } | |
134 | ||
464dd62d MD |
135 | static |
136 | const char *enabled_string(int value) | |
137 | { | |
138 | switch (value) { | |
b09f0429 MD |
139 | case 0: return " [disabled]"; |
140 | case 1: return " [enabled]"; | |
464dd62d MD |
141 | case -1: return ""; |
142 | default: return NULL; | |
143 | } | |
144 | } | |
145 | ||
fceb65df | 146 | static |
7b4a95b1 | 147 | const char *safe_string(const char *str) |
fceb65df | 148 | { |
7b4a95b1 | 149 | return str ? str : ""; |
4634f12e JI |
150 | } |
151 | ||
1f0e17de DG |
152 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
153 | { | |
154 | switch (value) { | |
af6bce80 DG |
155 | case LTTNG_EVENT_LOGLEVEL_ALL: |
156 | return ":"; | |
1f0e17de | 157 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
af6bce80 | 158 | return " <="; |
1f0e17de | 159 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
af6bce80 | 160 | return " =="; |
1f0e17de | 161 | default: |
af6bce80 | 162 | return " <<TYPE UNKN>>"; |
1f0e17de DG |
163 | } |
164 | } | |
165 | ||
834978fd DG |
166 | static const char *bitness_event(enum lttng_event_flag flags) |
167 | { | |
168 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_32) { | |
169 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
170 | return " [32/64-bit]"; | |
171 | } else { | |
172 | return " [32-bit]"; | |
173 | } | |
174 | } else if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
175 | return " [64-bit]"; | |
176 | } else { | |
177 | return ""; | |
178 | } | |
179 | } | |
180 | ||
7b4a95b1 PP |
181 | /* |
182 | * Get exclusion names message for a single event. | |
183 | * | |
184 | * Returned pointer must be freed by caller. Returns NULL on error. | |
185 | */ | |
186 | static char *get_exclusion_names_msg(struct lttng_event *event) | |
187 | { | |
188 | int ret; | |
189 | int exclusion_count; | |
190 | char *exclusion_msg = NULL; | |
191 | char *at; | |
7b4a95b1 PP |
192 | size_t i; |
193 | const char * const exclusion_fmt = " [exclusions: "; | |
19ed7632 | 194 | const size_t exclusion_fmt_len = strlen(exclusion_fmt); |
7b4a95b1 PP |
195 | |
196 | exclusion_count = lttng_event_get_exclusion_name_count(event); | |
197 | if (exclusion_count < 0) { | |
198 | goto end; | |
199 | } else if (exclusion_count == 0) { | |
200 | /* | |
201 | * No exclusions: return copy of empty string so that | |
202 | * it can be freed by caller. | |
203 | */ | |
204 | exclusion_msg = strdup(""); | |
205 | goto end; | |
206 | } | |
207 | ||
208 | /* | |
209 | * exclusion_msg's size is bounded by the exclusion_fmt string, | |
210 | * a comma per entry, the entry count (fixed-size), a closing | |
211 | * bracket, and a trailing \0. | |
212 | */ | |
213 | exclusion_msg = malloc(exclusion_count + | |
214 | exclusion_count * LTTNG_SYMBOL_NAME_LEN + | |
19ed7632 | 215 | exclusion_fmt_len + 1); |
7b4a95b1 PP |
216 | if (!exclusion_msg) { |
217 | goto end; | |
218 | } | |
219 | ||
19ed7632 | 220 | at = strcpy(exclusion_msg, exclusion_fmt) + exclusion_fmt_len; |
7b4a95b1 PP |
221 | for (i = 0; i < exclusion_count; ++i) { |
222 | const char *name; | |
223 | ||
224 | /* Append comma between exclusion names */ | |
225 | if (i > 0) { | |
226 | *at = ','; | |
227 | at++; | |
228 | } | |
229 | ||
230 | ret = lttng_event_get_exclusion_name(event, i, &name); | |
231 | if (ret) { | |
232 | /* Prints '?' on local error; should never happen */ | |
233 | *at = '?'; | |
234 | at++; | |
235 | continue; | |
236 | } | |
237 | ||
238 | /* Append exclusion name */ | |
31e40170 | 239 | at += sprintf(at, "%s", name); |
7b4a95b1 PP |
240 | } |
241 | ||
242 | /* This also puts a final '\0' at the end of exclusion_msg */ | |
19ed7632 | 243 | strcpy(at, "]"); |
7b4a95b1 PP |
244 | |
245 | end: | |
246 | return exclusion_msg; | |
247 | } | |
248 | ||
b551a063 DG |
249 | /* |
250 | * Pretty print single event. | |
251 | */ | |
252 | static void print_events(struct lttng_event *event) | |
253 | { | |
4adbcc72 PP |
254 | int ret; |
255 | const char *filter_str; | |
256 | char *filter_msg = NULL; | |
7b4a95b1 | 257 | char *exclusion_msg = NULL; |
4adbcc72 | 258 | |
134e72ed | 259 | ret = lttng_event_get_filter_expression(event, &filter_str); |
4adbcc72 PP |
260 | |
261 | if (ret) { | |
262 | filter_msg = strdup(" [failed to retrieve filter]"); | |
263 | } else if (filter_str) { | |
264 | const char * const filter_fmt = " [filter: '%s']"; | |
265 | ||
266 | filter_msg = malloc(strlen(filter_str) + | |
267 | strlen(filter_fmt) + 1); | |
268 | if (filter_msg) { | |
269 | sprintf(filter_msg, filter_fmt, | |
270 | filter_str); | |
271 | } | |
272 | } | |
273 | ||
7b4a95b1 PP |
274 | exclusion_msg = get_exclusion_names_msg(event); |
275 | if (!exclusion_msg) { | |
276 | exclusion_msg = strdup(" [failed to retrieve exclusions]"); | |
277 | } | |
278 | ||
b551a063 DG |
279 | switch (event->type) { |
280 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 281 | { |
8b703175 | 282 | if (event->loglevel != -1) { |
af6bce80 | 283 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
8b703175 | 284 | indent6, |
81afa345 | 285 | event->name, |
1f0e17de | 286 | logleveltype_string(event->loglevel_type), |
970d848b | 287 | mi_lttng_loglevel_string(event->loglevel, handle->domain.type), |
8b703175 | 288 | event->loglevel, |
fceb65df | 289 | enabled_string(event->enabled), |
7b4a95b1 PP |
290 | safe_string(exclusion_msg), |
291 | safe_string(filter_msg)); | |
8b703175 | 292 | } else { |
4634f12e | 293 | MSG("%s%s (type: tracepoint)%s%s%s", |
8b703175 MD |
294 | indent6, |
295 | event->name, | |
fceb65df | 296 | enabled_string(event->enabled), |
7b4a95b1 PP |
297 | safe_string(exclusion_msg), |
298 | safe_string(filter_msg)); | |
8b703175 | 299 | } |
b551a063 | 300 | break; |
e4baff1e | 301 | } |
1896972b DG |
302 | case LTTNG_EVENT_FUNCTION: |
303 | MSG("%s%s (type: function)%s%s", indent6, | |
304 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 305 | safe_string(filter_msg)); |
1896972b DG |
306 | if (event->attr.probe.addr != 0) { |
307 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
308 | } else { | |
309 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
310 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
311 | } | |
312 | break; | |
b551a063 | 313 | case LTTNG_EVENT_PROBE: |
fceb65df MD |
314 | MSG("%s%s (type: probe)%s%s", indent6, |
315 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 316 | safe_string(filter_msg)); |
b551a063 DG |
317 | if (event->attr.probe.addr != 0) { |
318 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
319 | } else { | |
320 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
321 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
322 | } | |
323 | break; | |
b551a063 | 324 | case LTTNG_EVENT_FUNCTION_ENTRY: |
fceb65df MD |
325 | MSG("%s%s (type: function)%s%s", indent6, |
326 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 327 | safe_string(filter_msg)); |
b551a063 DG |
328 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
329 | break; | |
330 | case LTTNG_EVENT_SYSCALL: | |
2199ad66 | 331 | MSG("%s%s%s%s%s%s", indent6, event->name, |
834978fd | 332 | (opt_syscall ? "" : " (type:syscall)"), |
fceb65df | 333 | enabled_string(event->enabled), |
2199ad66 JG |
334 | bitness_event(event->flags), |
335 | safe_string(filter_msg)); | |
b551a063 DG |
336 | break; |
337 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
338 | MSG("%s (type: noop)%s%s", indent6, |
339 | enabled_string(event->enabled), | |
7b4a95b1 | 340 | safe_string(filter_msg)); |
b551a063 DG |
341 | break; |
342 | case LTTNG_EVENT_ALL: | |
343 | /* We should never have "all" events in list. */ | |
344 | assert(0); | |
345 | break; | |
346 | } | |
4adbcc72 PP |
347 | |
348 | free(filter_msg); | |
7b4a95b1 | 349 | free(exclusion_msg); |
b551a063 DG |
350 | } |
351 | ||
f37d259d MD |
352 | static const char *field_type(struct lttng_event_field *field) |
353 | { | |
354 | switch(field->type) { | |
355 | case LTTNG_EVENT_FIELD_INTEGER: | |
356 | return "integer"; | |
357 | case LTTNG_EVENT_FIELD_ENUM: | |
358 | return "enum"; | |
359 | case LTTNG_EVENT_FIELD_FLOAT: | |
360 | return "float"; | |
361 | case LTTNG_EVENT_FIELD_STRING: | |
362 | return "string"; | |
363 | case LTTNG_EVENT_FIELD_OTHER: | |
364 | default: /* fall-through */ | |
365 | return "unknown"; | |
366 | } | |
367 | } | |
368 | ||
369 | /* | |
370 | * Pretty print single event fields. | |
371 | */ | |
372 | static void print_event_field(struct lttng_event_field *field) | |
373 | { | |
374 | if (!field->field_name[0]) { | |
375 | return; | |
376 | } | |
d8fbe2a9 | 377 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 378 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
379 | } |
380 | ||
fb14d0d8 JR |
381 | /* |
382 | * Machine interface | |
383 | * Jul and ust event listing | |
384 | */ | |
5cdb6027 | 385 | static int mi_list_agent_ust_events(struct lttng_event *events, int count, |
fb14d0d8 JR |
386 | struct lttng_domain *domain) |
387 | { | |
388 | int ret, i; | |
389 | pid_t cur_pid = 0; | |
390 | char *cmdline = NULL; | |
391 | int pid_element_open = 0; | |
392 | ||
393 | /* Open domains element */ | |
394 | ret = mi_lttng_domains_open(writer); | |
395 | if (ret) { | |
396 | goto end; | |
397 | } | |
398 | ||
399 | /* Write domain */ | |
400 | ret = mi_lttng_domain(writer, domain, 1); | |
401 | if (ret) { | |
402 | goto end; | |
403 | } | |
404 | ||
bf239d4c JR |
405 | /* Open pids element element */ |
406 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
407 | if (ret) { |
408 | goto end; | |
409 | } | |
410 | ||
411 | for (i = 0; i < count; i++) { | |
412 | if (cur_pid != events[i].pid) { | |
413 | if (pid_element_open) { | |
2e9aecb9 | 414 | /* Close the previous events and pid element */ |
fb14d0d8 JR |
415 | ret = mi_lttng_close_multi_element(writer, 2); |
416 | if (ret) { | |
417 | goto end; | |
418 | } | |
419 | pid_element_open = 0; | |
420 | } | |
421 | ||
422 | cur_pid = events[i].pid; | |
423 | cmdline = get_cmdline_by_pid(cur_pid); | |
424 | if (!cmdline) { | |
425 | ret = CMD_ERROR; | |
426 | goto end; | |
427 | } | |
428 | ||
429 | if (!pid_element_open) { | |
430 | /* Open and write a pid element */ | |
bf239d4c | 431 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); |
fb14d0d8 JR |
432 | if (ret) { |
433 | goto error; | |
434 | } | |
435 | ||
436 | /* Open events element */ | |
437 | ret = mi_lttng_events_open(writer); | |
438 | if (ret) { | |
439 | goto error; | |
440 | } | |
441 | ||
442 | pid_element_open = 1; | |
443 | } | |
444 | free(cmdline); | |
445 | } | |
446 | ||
447 | /* Write an event */ | |
970d848b | 448 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
449 | if (ret) { |
450 | goto end; | |
451 | } | |
452 | } | |
453 | ||
bf239d4c | 454 | /* Close pids */ |
fb14d0d8 JR |
455 | ret = mi_lttng_writer_close_element(writer); |
456 | if (ret) { | |
457 | goto end; | |
458 | } | |
459 | ||
460 | /* Close domain, domains */ | |
461 | ret = mi_lttng_close_multi_element(writer, 2); | |
462 | end: | |
463 | return ret; | |
464 | error: | |
465 | free(cmdline); | |
466 | return ret; | |
467 | } | |
468 | ||
5cdb6027 | 469 | static int list_agent_events(void) |
3c6a091f | 470 | { |
fb14d0d8 | 471 | int i, size, ret = CMD_SUCCESS; |
3c6a091f | 472 | struct lttng_domain domain; |
26c610c9 | 473 | struct lttng_handle *handle = NULL; |
469b972b | 474 | struct lttng_event *event_list = NULL; |
3c6a091f DG |
475 | pid_t cur_pid = 0; |
476 | char *cmdline = NULL; | |
5cdb6027 | 477 | const char *agent_domain_str; |
3c6a091f DG |
478 | |
479 | memset(&domain, 0, sizeof(domain)); | |
5cdb6027 DG |
480 | if (opt_jul) { |
481 | domain.type = LTTNG_DOMAIN_JUL; | |
482 | } else if (opt_log4j) { | |
483 | domain.type = LTTNG_DOMAIN_LOG4J; | |
0e115563 DG |
484 | } else if (opt_python) { |
485 | domain.type = LTTNG_DOMAIN_PYTHON; | |
26c610c9 JG |
486 | } else { |
487 | ERR("Invalid agent domain selected."); | |
488 | ret = CMD_ERROR; | |
489 | goto error; | |
5cdb6027 DG |
490 | } |
491 | ||
492 | agent_domain_str = get_domain_str(domain.type); | |
493 | ||
494 | DBG("Getting %s tracing events", agent_domain_str); | |
3c6a091f DG |
495 | |
496 | handle = lttng_create_handle(NULL, &domain); | |
497 | if (handle == NULL) { | |
fb14d0d8 JR |
498 | ret = CMD_ERROR; |
499 | goto end; | |
3c6a091f DG |
500 | } |
501 | ||
502 | size = lttng_list_tracepoints(handle, &event_list); | |
503 | if (size < 0) { | |
5cdb6027 DG |
504 | ERR("Unable to list %s events: %s", agent_domain_str, |
505 | lttng_strerror(size)); | |
fb14d0d8 JR |
506 | ret = CMD_ERROR; |
507 | goto end; | |
3c6a091f DG |
508 | } |
509 | ||
fb14d0d8 JR |
510 | if (lttng_opt_mi) { |
511 | /* Mi print */ | |
5cdb6027 | 512 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
513 | if (ret) { |
514 | ret = CMD_ERROR; | |
515 | goto error; | |
3c6a091f | 516 | } |
fb14d0d8 JR |
517 | } else { |
518 | /* Pretty print */ | |
5cdb6027 DG |
519 | MSG("%s events (Logger name):\n-------------------------", |
520 | agent_domain_str); | |
3c6a091f | 521 | |
fb14d0d8 JR |
522 | if (size == 0) { |
523 | MSG("None"); | |
524 | } | |
3c6a091f | 525 | |
fb14d0d8 JR |
526 | for (i = 0; i < size; i++) { |
527 | if (cur_pid != event_list[i].pid) { | |
528 | cur_pid = event_list[i].pid; | |
529 | cmdline = get_cmdline_by_pid(cur_pid); | |
530 | if (cmdline == NULL) { | |
531 | ret = CMD_ERROR; | |
532 | goto error; | |
533 | } | |
534 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
535 | free(cmdline); | |
536 | } | |
537 | MSG("%s- %s", indent6, event_list[i].name); | |
538 | } | |
3c6a091f | 539 | |
fb14d0d8 JR |
540 | MSG(""); |
541 | } | |
3c6a091f DG |
542 | |
543 | error: | |
fb14d0d8 JR |
544 | free(event_list); |
545 | end: | |
3c6a091f | 546 | lttng_destroy_handle(handle); |
fb14d0d8 | 547 | return ret; |
3c6a091f DG |
548 | } |
549 | ||
b551a063 DG |
550 | /* |
551 | * Ask session daemon for all user space tracepoints available. | |
552 | */ | |
553 | static int list_ust_events(void) | |
554 | { | |
fb14d0d8 | 555 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
556 | struct lttng_domain domain; |
557 | struct lttng_handle *handle; | |
bec97646 | 558 | struct lttng_event *event_list = NULL; |
b551a063 | 559 | pid_t cur_pid = 0; |
ea5cbc00 | 560 | char *cmdline = NULL; |
b551a063 | 561 | |
441c16a7 MD |
562 | memset(&domain, 0, sizeof(domain)); |
563 | ||
b551a063 DG |
564 | DBG("Getting UST tracing events"); |
565 | ||
566 | domain.type = LTTNG_DOMAIN_UST; | |
567 | ||
568 | handle = lttng_create_handle(NULL, &domain); | |
569 | if (handle == NULL) { | |
fb14d0d8 JR |
570 | ret = CMD_ERROR; |
571 | goto end; | |
b551a063 DG |
572 | } |
573 | ||
574 | size = lttng_list_tracepoints(handle, &event_list); | |
575 | if (size < 0) { | |
60e835ca | 576 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
fb14d0d8 JR |
577 | ret = CMD_ERROR; |
578 | goto error; | |
b551a063 DG |
579 | } |
580 | ||
fb14d0d8 JR |
581 | if (lttng_opt_mi) { |
582 | /* Mi print */ | |
5cdb6027 | 583 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
584 | } else { |
585 | /* Pretty print */ | |
586 | MSG("UST events:\n-------------"); | |
587 | ||
588 | if (size == 0) { | |
589 | MSG("None"); | |
590 | } | |
591 | ||
592 | for (i = 0; i < size; i++) { | |
593 | if (cur_pid != event_list[i].pid) { | |
594 | cur_pid = event_list[i].pid; | |
595 | cmdline = get_cmdline_by_pid(cur_pid); | |
596 | if (cmdline == NULL) { | |
597 | ret = CMD_ERROR; | |
598 | goto error; | |
599 | } | |
600 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
601 | free(cmdline); | |
602 | } | |
603 | print_events(&event_list[i]); | |
604 | } | |
b551a063 | 605 | |
fb14d0d8 | 606 | MSG(""); |
b551a063 DG |
607 | } |
608 | ||
fb14d0d8 JR |
609 | error: |
610 | free(event_list); | |
611 | end: | |
612 | lttng_destroy_handle(handle); | |
613 | return ret; | |
614 | } | |
615 | ||
616 | /* | |
617 | * Machine interface | |
618 | * List all ust event with their fields | |
619 | */ | |
620 | static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count, | |
621 | struct lttng_domain *domain) | |
622 | { | |
623 | int ret, i; | |
624 | pid_t cur_pid = 0; | |
625 | char *cmdline = NULL; | |
626 | int pid_element_open = 0; | |
627 | int event_element_open = 0; | |
628 | struct lttng_event cur_event; | |
629 | ||
d113fbc8 JR |
630 | memset(&cur_event, 0, sizeof(cur_event)); |
631 | ||
fb14d0d8 JR |
632 | /* Open domains element */ |
633 | ret = mi_lttng_domains_open(writer); | |
634 | if (ret) { | |
635 | goto end; | |
636 | } | |
637 | ||
638 | /* Write domain */ | |
639 | ret = mi_lttng_domain(writer, domain, 1); | |
640 | if (ret) { | |
641 | goto end; | |
642 | } | |
643 | ||
bf239d4c JR |
644 | /* Open pids element */ |
645 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
646 | if (ret) { |
647 | goto end; | |
648 | } | |
649 | ||
650 | for (i = 0; i < count; i++) { | |
651 | if (cur_pid != fields[i].event.pid) { | |
652 | if (pid_element_open) { | |
653 | if (event_element_open) { | |
485ca16f | 654 | /* Close the previous field element and event. */ |
fb14d0d8 JR |
655 | ret = mi_lttng_close_multi_element(writer, 2); |
656 | if (ret) { | |
657 | goto end; | |
658 | } | |
659 | event_element_open = 0; | |
660 | } | |
661 | /* Close the previous events, pid element */ | |
662 | ret = mi_lttng_close_multi_element(writer, 2); | |
663 | if (ret) { | |
664 | goto end; | |
665 | } | |
666 | pid_element_open = 0; | |
667 | } | |
668 | ||
669 | cur_pid = fields[i].event.pid; | |
ea5cbc00 | 670 | cmdline = get_cmdline_by_pid(cur_pid); |
fb14d0d8 | 671 | if (!pid_element_open) { |
bf239d4c JR |
672 | /* Open and write a pid element */ |
673 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); | |
fb14d0d8 JR |
674 | if (ret) { |
675 | goto error; | |
676 | } | |
677 | ||
678 | /* Open events element */ | |
679 | ret = mi_lttng_events_open(writer); | |
680 | if (ret) { | |
681 | goto error; | |
682 | } | |
683 | pid_element_open = 1; | |
684 | } | |
ea5cbc00 | 685 | free(cmdline); |
fb14d0d8 JR |
686 | /* Wipe current event since we are about to print a new PID. */ |
687 | memset(&cur_event, 0, sizeof(cur_event)); | |
b551a063 | 688 | } |
b551a063 | 689 | |
fb14d0d8 JR |
690 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
691 | if (event_element_open) { | |
692 | /* Close the previous fields element and the previous event */ | |
693 | ret = mi_lttng_close_multi_element(writer, 2); | |
694 | if (ret) { | |
695 | goto end; | |
696 | } | |
697 | event_element_open = 0; | |
698 | } | |
699 | ||
700 | memcpy(&cur_event, &fields[i].event, | |
701 | sizeof(cur_event)); | |
b551a063 | 702 | |
fb14d0d8 JR |
703 | if (!event_element_open) { |
704 | /* Open and write the event */ | |
970d848b DG |
705 | ret = mi_lttng_event(writer, &cur_event, 1, |
706 | handle->domain.type); | |
fb14d0d8 JR |
707 | if (ret) { |
708 | goto end; | |
709 | } | |
710 | ||
711 | /* Open a fields element */ | |
712 | ret = mi_lttng_event_fields_open(writer); | |
713 | if (ret) { | |
714 | goto end; | |
715 | } | |
716 | event_element_open = 1; | |
717 | } | |
718 | } | |
b551a063 | 719 | |
fb14d0d8 JR |
720 | /* Print the event_field */ |
721 | ret = mi_lttng_event_field(writer, &fields[i]); | |
722 | if (ret) { | |
723 | goto end; | |
724 | } | |
725 | } | |
b551a063 | 726 | |
bf239d4c | 727 | /* Close pid, domain, domains */ |
fb14d0d8 JR |
728 | ret = mi_lttng_close_multi_element(writer, 3); |
729 | end: | |
730 | return ret; | |
b551a063 | 731 | error: |
fb14d0d8 JR |
732 | free(cmdline); |
733 | return ret; | |
b551a063 | 734 | } |
f3ed775e | 735 | |
f37d259d MD |
736 | /* |
737 | * Ask session daemon for all user space tracepoint fields available. | |
738 | */ | |
739 | static int list_ust_event_fields(void) | |
740 | { | |
fb14d0d8 | 741 | int i, size, ret = CMD_SUCCESS; |
f37d259d MD |
742 | struct lttng_domain domain; |
743 | struct lttng_handle *handle; | |
744 | struct lttng_event_field *event_field_list; | |
745 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
746 | char *cmdline = NULL; |
747 | ||
f37d259d MD |
748 | struct lttng_event cur_event; |
749 | ||
750 | memset(&domain, 0, sizeof(domain)); | |
751 | memset(&cur_event, 0, sizeof(cur_event)); | |
752 | ||
753 | DBG("Getting UST tracing event fields"); | |
754 | ||
755 | domain.type = LTTNG_DOMAIN_UST; | |
756 | ||
757 | handle = lttng_create_handle(NULL, &domain); | |
758 | if (handle == NULL) { | |
fb14d0d8 JR |
759 | ret = CMD_ERROR; |
760 | goto end; | |
f37d259d MD |
761 | } |
762 | ||
763 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
764 | if (size < 0) { | |
60e835ca | 765 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
fb14d0d8 JR |
766 | ret = CMD_ERROR; |
767 | goto end; | |
f37d259d MD |
768 | } |
769 | ||
fb14d0d8 JR |
770 | if (lttng_opt_mi) { |
771 | /* Mi print */ | |
772 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); | |
773 | if (ret) { | |
774 | ret = CMD_ERROR; | |
775 | goto error; | |
776 | } | |
777 | } else { | |
778 | /* Pretty print */ | |
779 | MSG("UST events:\n-------------"); | |
f37d259d | 780 | |
fb14d0d8 JR |
781 | if (size == 0) { |
782 | MSG("None"); | |
f37d259d | 783 | } |
fb14d0d8 JR |
784 | |
785 | for (i = 0; i < size; i++) { | |
786 | if (cur_pid != event_field_list[i].event.pid) { | |
787 | cur_pid = event_field_list[i].event.pid; | |
788 | cmdline = get_cmdline_by_pid(cur_pid); | |
789 | if (cmdline == NULL) { | |
790 | ret = CMD_ERROR; | |
791 | goto error; | |
792 | } | |
793 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
794 | free(cmdline); | |
795 | /* Wipe current event since we are about to print a new PID. */ | |
796 | memset(&cur_event, 0, sizeof(cur_event)); | |
797 | } | |
798 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
799 | print_events(&event_field_list[i].event); | |
800 | memcpy(&cur_event, &event_field_list[i].event, | |
801 | sizeof(cur_event)); | |
802 | } | |
803 | print_event_field(&event_field_list[i]); | |
f37d259d | 804 | } |
f37d259d | 805 | |
fb14d0d8 JR |
806 | MSG(""); |
807 | } | |
f37d259d | 808 | |
fb14d0d8 | 809 | error: |
f37d259d | 810 | free(event_field_list); |
fb14d0d8 | 811 | end: |
f37d259d | 812 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
813 | return ret; |
814 | } | |
f37d259d | 815 | |
fb14d0d8 JR |
816 | /* |
817 | * Machine interface | |
818 | * Print a list of kernel events | |
819 | */ | |
820 | static int mi_list_kernel_events(struct lttng_event *events, int count, | |
821 | struct lttng_domain *domain) | |
822 | { | |
823 | int ret, i; | |
f37d259d | 824 | |
fb14d0d8 JR |
825 | /* Open domains element */ |
826 | ret = mi_lttng_domains_open(writer); | |
827 | if (ret) { | |
828 | goto end; | |
829 | } | |
830 | ||
831 | /* Write domain */ | |
832 | ret = mi_lttng_domain(writer, domain, 1); | |
833 | if (ret) { | |
834 | goto end; | |
835 | } | |
836 | ||
837 | /* Open events */ | |
838 | ret = mi_lttng_events_open(writer); | |
839 | if (ret) { | |
840 | goto end; | |
841 | } | |
842 | ||
843 | for (i = 0; i < count; i++) { | |
970d848b | 844 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
845 | if (ret) { |
846 | goto end; | |
847 | } | |
848 | } | |
849 | ||
850 | /* close events, domain and domains */ | |
851 | ret = mi_lttng_close_multi_element(writer, 3); | |
852 | if (ret) { | |
853 | goto end; | |
854 | } | |
855 | ||
856 | end: | |
857 | return ret; | |
f37d259d MD |
858 | } |
859 | ||
f3ed775e | 860 | /* |
fb14d0d8 | 861 | * Ask for all trace events in the kernel |
f3ed775e | 862 | */ |
9f19cc17 | 863 | static int list_kernel_events(void) |
f3ed775e | 864 | { |
fb14d0d8 | 865 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
866 | struct lttng_domain domain; |
867 | struct lttng_handle *handle; | |
9f19cc17 | 868 | struct lttng_event *event_list; |
f3ed775e | 869 | |
441c16a7 MD |
870 | memset(&domain, 0, sizeof(domain)); |
871 | ||
b551a063 DG |
872 | DBG("Getting kernel tracing events"); |
873 | ||
874 | domain.type = LTTNG_DOMAIN_KERNEL; | |
875 | ||
876 | handle = lttng_create_handle(NULL, &domain); | |
877 | if (handle == NULL) { | |
fb14d0d8 | 878 | ret = CMD_ERROR; |
b551a063 DG |
879 | goto error; |
880 | } | |
f3ed775e | 881 | |
cd80958d | 882 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 883 | if (size < 0) { |
60e835ca | 884 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 885 | lttng_destroy_handle(handle); |
fb14d0d8 | 886 | return CMD_ERROR; |
f3ed775e DG |
887 | } |
888 | ||
fb14d0d8 JR |
889 | if (lttng_opt_mi) { |
890 | /* Mi print */ | |
891 | ret = mi_list_kernel_events(event_list, size, &domain); | |
892 | if (ret) { | |
893 | ret = CMD_ERROR; | |
894 | goto end; | |
895 | } | |
896 | } else { | |
897 | MSG("Kernel events:\n-------------"); | |
f3ed775e | 898 | |
fb14d0d8 JR |
899 | for (i = 0; i < size; i++) { |
900 | print_events(&event_list[i]); | |
901 | } | |
f3ed775e | 902 | |
fb14d0d8 JR |
903 | MSG(""); |
904 | } | |
b551a063 | 905 | |
fb14d0d8 | 906 | end: |
f3ed775e DG |
907 | free(event_list); |
908 | ||
ef021732 | 909 | lttng_destroy_handle(handle); |
fb14d0d8 | 910 | return ret; |
b551a063 DG |
911 | |
912 | error: | |
ef021732 | 913 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
914 | return ret; |
915 | } | |
916 | ||
834978fd DG |
917 | /* |
918 | * Machine interface | |
919 | * Print a list of system calls. | |
920 | */ | |
921 | static int mi_list_syscalls(struct lttng_event *events, int count) | |
922 | { | |
923 | int ret, i; | |
924 | ||
925 | /* Open events */ | |
926 | ret = mi_lttng_events_open(writer); | |
927 | if (ret) { | |
928 | goto end; | |
929 | } | |
930 | ||
931 | for (i = 0; i < count; i++) { | |
970d848b | 932 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
834978fd DG |
933 | if (ret) { |
934 | goto end; | |
935 | } | |
936 | } | |
937 | ||
938 | /* Close events. */ | |
939 | ret = mi_lttng_writer_close_element(writer); | |
940 | if (ret) { | |
941 | goto end; | |
942 | } | |
943 | ||
944 | end: | |
945 | return ret; | |
946 | } | |
947 | ||
948 | /* | |
949 | * Ask for kernel system calls. | |
950 | */ | |
951 | static int list_syscalls(void) | |
952 | { | |
953 | int i, size, ret = CMD_SUCCESS; | |
954 | struct lttng_event *event_list; | |
955 | ||
956 | DBG("Getting kernel system call events"); | |
957 | ||
958 | size = lttng_list_syscalls(&event_list); | |
959 | if (size < 0) { | |
960 | ERR("Unable to list system calls: %s", lttng_strerror(size)); | |
961 | ret = CMD_ERROR; | |
962 | goto error; | |
963 | } | |
964 | ||
965 | if (lttng_opt_mi) { | |
966 | /* Mi print */ | |
967 | ret = mi_list_syscalls(event_list, size); | |
968 | if (ret) { | |
969 | ret = CMD_ERROR; | |
970 | goto end; | |
971 | } | |
972 | } else { | |
973 | MSG("System calls:\n-------------"); | |
974 | ||
975 | for (i = 0; i < size; i++) { | |
976 | print_events(&event_list[i]); | |
977 | } | |
978 | ||
979 | MSG(""); | |
980 | } | |
981 | ||
982 | end: | |
983 | free(event_list); | |
984 | return ret; | |
985 | ||
986 | error: | |
987 | return ret; | |
988 | } | |
989 | ||
fb14d0d8 JR |
990 | /* |
991 | * Machine Interface | |
5cdb6027 | 992 | * Print a list of agent events |
fb14d0d8 | 993 | */ |
5cdb6027 | 994 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
fb14d0d8 JR |
995 | { |
996 | int ret, i; | |
997 | ||
998 | /* Open events element */ | |
999 | ret = mi_lttng_events_open(writer); | |
1000 | if (ret) { | |
1001 | goto end; | |
1002 | } | |
1003 | ||
1004 | for (i = 0; i < count; i++) { | |
970d848b | 1005 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1006 | if (ret) { |
1007 | goto end; | |
1008 | } | |
1009 | } | |
1010 | ||
1011 | /* Close events element */ | |
1012 | ret = mi_lttng_writer_close_element(writer); | |
1013 | ||
1014 | end: | |
1015 | return ret; | |
f3ed775e DG |
1016 | } |
1017 | ||
3c6a091f | 1018 | /* |
5cdb6027 | 1019 | * List agent events for a specific session using the handle. |
3c6a091f DG |
1020 | * |
1021 | * Return CMD_SUCCESS on success else a negative value. | |
1022 | */ | |
5cdb6027 | 1023 | static int list_session_agent_events(void) |
3c6a091f | 1024 | { |
fb14d0d8 | 1025 | int ret = CMD_SUCCESS, count, i; |
3c6a091f DG |
1026 | struct lttng_event *events = NULL; |
1027 | ||
1028 | count = lttng_list_events(handle, "", &events); | |
1029 | if (count < 0) { | |
fb14d0d8 JR |
1030 | ret = CMD_ERROR; |
1031 | ERR("%s", lttng_strerror(count)); | |
3c6a091f DG |
1032 | goto error; |
1033 | } | |
1034 | ||
fb14d0d8 JR |
1035 | if (lttng_opt_mi) { |
1036 | /* Mi print */ | |
5cdb6027 | 1037 | ret = mi_list_session_agent_events(events, count); |
fb14d0d8 JR |
1038 | if (ret) { |
1039 | ret = CMD_ERROR; | |
1040 | goto end; | |
1041 | } | |
1042 | } else { | |
1043 | /* Pretty print */ | |
1044 | MSG("Events (Logger name):\n---------------------"); | |
1045 | if (count == 0) { | |
1046 | MSG("%sNone\n", indent6); | |
1047 | goto end; | |
1048 | } | |
1049 | ||
1050 | for (i = 0; i < count; i++) { | |
9a890ce8 JG |
1051 | const char *filter_str; |
1052 | char *filter_msg = NULL; | |
1053 | struct lttng_event *event = &events[i]; | |
1054 | ||
134e72ed JG |
1055 | ret = lttng_event_get_filter_expression(event, |
1056 | &filter_str); | |
9a890ce8 JG |
1057 | if (ret) { |
1058 | filter_msg = strdup(" [failed to retrieve filter]"); | |
1059 | } else if (filter_str) { | |
1060 | const char * const filter_fmt = | |
1061 | " [filter: '%s']"; | |
1062 | ||
1063 | filter_msg = malloc(strlen(filter_str) + | |
1064 | strlen(filter_fmt) + 1); | |
1065 | if (filter_msg) { | |
00505bae JG |
1066 | sprintf(filter_msg, filter_fmt, |
1067 | filter_str); | |
9a890ce8 JG |
1068 | } |
1069 | } | |
1070 | ||
1071 | if (event->loglevel_type != | |
755066c2 | 1072 | LTTNG_EVENT_LOGLEVEL_ALL) { |
9a890ce8 JG |
1073 | MSG("%s- %s%s (loglevel%s %s)%s", indent4, |
1074 | event->name, | |
1075 | enabled_string(event->enabled), | |
755066c2 | 1076 | logleveltype_string( |
9a890ce8 | 1077 | event->loglevel_type), |
755066c2 | 1078 | mi_lttng_loglevel_string( |
9a890ce8 JG |
1079 | event->loglevel, |
1080 | handle->domain.type), | |
7b4a95b1 | 1081 | safe_string(filter_msg)); |
755066c2 | 1082 | } else { |
9a890ce8 JG |
1083 | MSG("%s- %s%s%s", indent4, event->name, |
1084 | enabled_string(event->enabled), | |
7b4a95b1 | 1085 | safe_string(filter_msg)); |
755066c2 | 1086 | } |
9a890ce8 | 1087 | free(filter_msg); |
fb14d0d8 JR |
1088 | } |
1089 | ||
1090 | MSG(""); | |
1091 | } | |
1092 | ||
1093 | end: | |
1094 | free(events); | |
1095 | error: | |
1096 | return ret; | |
1097 | } | |
1098 | ||
1099 | /* | |
1100 | * Machine interface | |
1101 | * print a list of event | |
1102 | */ | |
1103 | static int mi_list_events(struct lttng_event *events, int count) | |
1104 | { | |
1105 | int ret, i; | |
1106 | ||
1107 | /* Open events element */ | |
1108 | ret = mi_lttng_events_open(writer); | |
1109 | if (ret) { | |
3c6a091f DG |
1110 | goto end; |
1111 | } | |
1112 | ||
1113 | for (i = 0; i < count; i++) { | |
970d848b | 1114 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1115 | if (ret) { |
1116 | goto end; | |
1117 | } | |
3c6a091f DG |
1118 | } |
1119 | ||
fb14d0d8 JR |
1120 | /* Close events element */ |
1121 | ret = mi_lttng_writer_close_element(writer); | |
3c6a091f DG |
1122 | |
1123 | end: | |
3c6a091f DG |
1124 | return ret; |
1125 | } | |
1126 | ||
f3ed775e | 1127 | /* |
9f19cc17 | 1128 | * List events of channel of session and domain. |
f3ed775e | 1129 | */ |
cd80958d | 1130 | static int list_events(const char *channel_name) |
f3ed775e | 1131 | { |
fb14d0d8 | 1132 | int ret = CMD_SUCCESS, count, i; |
9f19cc17 | 1133 | struct lttng_event *events = NULL; |
f3ed775e | 1134 | |
cd80958d | 1135 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e | 1136 | if (count < 0) { |
fb14d0d8 JR |
1137 | ret = CMD_ERROR; |
1138 | ERR("%s", lttng_strerror(count)); | |
f3ed775e DG |
1139 | goto error; |
1140 | } | |
1141 | ||
fb14d0d8 JR |
1142 | if (lttng_opt_mi) { |
1143 | /* Mi print */ | |
1144 | ret = mi_list_events(events, count); | |
1145 | if (ret) { | |
1146 | ret = CMD_ERROR; | |
1147 | goto end; | |
1148 | } | |
1149 | } else { | |
1150 | /* Pretty print */ | |
1151 | MSG("\n%sEvents:", indent4); | |
1152 | if (count == 0) { | |
1153 | MSG("%sNone\n", indent6); | |
1154 | goto end; | |
1155 | } | |
f3ed775e | 1156 | |
fb14d0d8 JR |
1157 | for (i = 0; i < count; i++) { |
1158 | print_events(&events[i]); | |
1159 | } | |
f3ed775e | 1160 | |
fb14d0d8 JR |
1161 | MSG(""); |
1162 | } | |
9f19cc17 | 1163 | end: |
0e428499 | 1164 | free(events); |
f3ed775e DG |
1165 | error: |
1166 | return ret; | |
1167 | } | |
1168 | ||
1169 | /* | |
9f19cc17 DG |
1170 | * Pretty print channel |
1171 | */ | |
1172 | static void print_channel(struct lttng_channel *channel) | |
1173 | { | |
fb83fe64 | 1174 | int ret; |
cf0bcb51 | 1175 | uint64_t discarded_events, lost_packets, monitor_timer_interval; |
fb83fe64 JD |
1176 | |
1177 | ret = lttng_channel_get_discarded_event_count(channel, | |
1178 | &discarded_events); | |
1179 | if (ret) { | |
1180 | ERR("Failed to retrieve discarded event count of channel"); | |
1181 | return; | |
1182 | } | |
1183 | ||
1184 | ret = lttng_channel_get_lost_packet_count(channel, | |
1185 | &lost_packets); | |
1186 | if (ret) { | |
1187 | ERR("Failed to retrieve lost packet count of channel"); | |
1188 | return; | |
1189 | } | |
1190 | ||
cf0bcb51 JG |
1191 | ret = lttng_channel_get_monitor_timer_interval(channel, |
1192 | &monitor_timer_interval); | |
1193 | if (ret) { | |
1194 | ERR("Failed to retrieve monitor interval of channel"); | |
1195 | return; | |
1196 | } | |
1197 | ||
464dd62d | 1198 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
1199 | |
1200 | MSG("%sAttributes:", indent4); | |
a5bbe8f6 | 1201 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); |
2f16a8f9 SB |
1202 | MSG("%ssubbuffers size: %" PRIu64, indent6, channel->attr.subbuf_size); |
1203 | MSG("%snumber of subbuffers: %" PRIu64, indent6, channel->attr.num_subbuf); | |
a5bbe8f6 DG |
1204 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); |
1205 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
cf0bcb51 | 1206 | MSG("%smonitor timer interval: %" PRIu64, indent6, monitor_timer_interval); |
2f785fe7 DG |
1207 | MSG("%strace file count: %" PRIu64, indent6, channel->attr.tracefile_count); |
1208 | MSG("%strace file size (bytes): %" PRIu64, indent6, channel->attr.tracefile_size); | |
fb83fe64 JD |
1209 | MSG("%sdiscarded events: %" PRIu64, indent6, discarded_events); |
1210 | MSG("%slost packets: %" PRIu64, indent6, lost_packets); | |
9f19cc17 DG |
1211 | switch (channel->attr.output) { |
1212 | case LTTNG_EVENT_SPLICE: | |
1213 | MSG("%soutput: splice()", indent6); | |
1214 | break; | |
1215 | case LTTNG_EVENT_MMAP: | |
1216 | MSG("%soutput: mmap()", indent6); | |
1217 | break; | |
1218 | } | |
1219 | } | |
1220 | ||
fb14d0d8 JR |
1221 | /* |
1222 | * Machine interface | |
1223 | * Print a list of channel | |
1224 | * | |
1225 | */ | |
1226 | static int mi_list_channels(struct lttng_channel *channels, int count, | |
1227 | const char *channel_name) | |
1228 | { | |
1229 | int i, ret; | |
1230 | unsigned int chan_found = 0; | |
1231 | ||
1232 | /* Open channels element */ | |
1233 | ret = mi_lttng_channels_open(writer); | |
1234 | if (ret) { | |
1235 | goto error; | |
1236 | } | |
1237 | ||
1238 | for (i = 0; i < count; i++) { | |
1239 | if (channel_name != NULL) { | |
1240 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1241 | chan_found = 1; | |
1242 | } else { | |
1243 | continue; | |
1244 | } | |
1245 | } | |
1246 | ||
1247 | /* Write channel element and leave it open */ | |
1248 | ret = mi_lttng_channel(writer, &channels[i], 1); | |
1249 | if (ret) { | |
1250 | goto error; | |
1251 | } | |
1252 | ||
1253 | /* Listing events per channel */ | |
1254 | ret = list_events(channels[i].name); | |
1255 | if (ret) { | |
1256 | goto error; | |
1257 | } | |
1258 | ||
1259 | /* Closing the channel element we opened earlier */ | |
1260 | ret = mi_lttng_writer_close_element(writer); | |
1261 | if (ret) { | |
1262 | goto error; | |
1263 | } | |
1264 | ||
1265 | if (chan_found) { | |
1266 | break; | |
1267 | } | |
1268 | } | |
1269 | ||
1270 | /* Close channels element */ | |
1271 | ret = mi_lttng_writer_close_element(writer); | |
1272 | if (ret) { | |
1273 | goto error; | |
1274 | } | |
1275 | ||
1276 | error: | |
1277 | return ret; | |
1278 | } | |
1279 | ||
9f19cc17 DG |
1280 | /* |
1281 | * List channel(s) of session and domain. | |
f3ed775e | 1282 | * |
9f19cc17 | 1283 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 1284 | */ |
cd80958d | 1285 | static int list_channels(const char *channel_name) |
f3ed775e | 1286 | { |
9f19cc17 DG |
1287 | int count, i, ret = CMD_SUCCESS; |
1288 | unsigned int chan_found = 0; | |
1289 | struct lttng_channel *channels = NULL; | |
f3ed775e | 1290 | |
3e25cb20 | 1291 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 1292 | |
cd80958d | 1293 | count = lttng_list_channels(handle, &channels); |
f3ed775e | 1294 | if (count < 0) { |
c7d620a2 DG |
1295 | switch (-count) { |
1296 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
fb14d0d8 JR |
1297 | if (lttng_opt_mi) { |
1298 | /* When printing mi this is not an error | |
1299 | * but an empty channels element */ | |
1300 | count = 0; | |
1301 | } else { | |
1302 | ret = CMD_SUCCESS; | |
1303 | WARN("No kernel channel"); | |
1304 | goto error_channels; | |
1305 | } | |
c7d620a2 DG |
1306 | break; |
1307 | default: | |
1308 | /* We had a real error */ | |
fb14d0d8 JR |
1309 | ret = CMD_ERROR; |
1310 | ERR("%s", lttng_strerror(count)); | |
1311 | goto error_channels; | |
60e835ca | 1312 | break; |
c7d620a2 | 1313 | } |
f3ed775e DG |
1314 | } |
1315 | ||
fb14d0d8 JR |
1316 | if (lttng_opt_mi) { |
1317 | /* Mi print */ | |
1318 | ret = mi_list_channels(channels, count, channel_name); | |
1319 | if (ret) { | |
1320 | ret = CMD_ERROR; | |
1321 | goto error; | |
1322 | } | |
1323 | } else { | |
1324 | /* Pretty print */ | |
ade7ce52 | 1325 | if (count) { |
fb14d0d8 JR |
1326 | MSG("Channels:\n-------------"); |
1327 | } | |
9f19cc17 | 1328 | |
fb14d0d8 JR |
1329 | for (i = 0; i < count; i++) { |
1330 | if (channel_name != NULL) { | |
1331 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1332 | chan_found = 1; | |
1333 | } else { | |
1334 | continue; | |
1335 | } | |
1336 | } | |
1337 | print_channel(&channels[i]); | |
1338 | ||
1339 | /* Listing events per channel */ | |
1340 | ret = list_events(channels[i].name); | |
1341 | if (ret) { | |
1342 | goto error; | |
1343 | } | |
1344 | ||
1345 | if (chan_found) { | |
1346 | break; | |
9f19cc17 DG |
1347 | } |
1348 | } | |
9f19cc17 | 1349 | |
fb14d0d8 JR |
1350 | if (!chan_found && channel_name != NULL) { |
1351 | ret = CMD_ERROR; | |
1352 | ERR("Channel %s not found", channel_name); | |
1353 | goto error; | |
9f19cc17 | 1354 | } |
fb14d0d8 JR |
1355 | } |
1356 | error: | |
1357 | free(channels); | |
9f19cc17 | 1358 | |
fb14d0d8 JR |
1359 | error_channels: |
1360 | return ret; | |
1361 | } | |
1362 | ||
a5dfbb9d MD |
1363 | /* |
1364 | * List tracker PID(s) of session and domain. | |
1365 | */ | |
1366 | static int list_tracker_pids(void) | |
1367 | { | |
ebbf5ab7 JR |
1368 | int ret = 0; |
1369 | int enabled; | |
a5dfbb9d | 1370 | int *pids = NULL; |
6223570f | 1371 | size_t nr_pids; |
a5dfbb9d MD |
1372 | |
1373 | ret = lttng_list_tracker_pids(handle, | |
1374 | &enabled, &pids, &nr_pids); | |
1375 | if (ret) { | |
1376 | return ret; | |
1377 | } | |
a5dfbb9d | 1378 | if (enabled) { |
6223570f JG |
1379 | int i; |
1380 | _MSG("PID tracker: ["); | |
a5dfbb9d | 1381 | |
ebbf5ab7 JR |
1382 | /* Mi tracker_pid element*/ |
1383 | if (writer) { | |
1384 | /* Open tracker_pid and targets elements */ | |
1385 | ret = mi_lttng_pid_tracker_open(writer); | |
1386 | if (ret) { | |
1387 | goto end; | |
1388 | } | |
1389 | } | |
1390 | ||
a5dfbb9d MD |
1391 | for (i = 0; i < nr_pids; i++) { |
1392 | if (i) { | |
1393 | _MSG(","); | |
1394 | } | |
1395 | _MSG(" %d", pids[i]); | |
ebbf5ab7 JR |
1396 | |
1397 | /* Mi */ | |
1398 | if (writer) { | |
1399 | ret = mi_lttng_pid_target(writer, pids[i], 0); | |
1400 | if (ret) { | |
1401 | goto end; | |
1402 | } | |
1403 | } | |
a5dfbb9d | 1404 | } |
6223570f | 1405 | _MSG(" ]\n\n"); |
ebbf5ab7 JR |
1406 | |
1407 | /* Mi close tracker_pid and targets */ | |
1408 | if (writer) { | |
1409 | ret = mi_lttng_close_multi_element(writer,2); | |
1410 | if (ret) { | |
1411 | goto end; | |
1412 | } | |
1413 | } | |
a5dfbb9d | 1414 | } |
ebbf5ab7 | 1415 | end: |
a5dfbb9d | 1416 | free(pids); |
ebbf5ab7 JR |
1417 | return ret; |
1418 | ||
1419 | } | |
1420 | ||
1421 | /* | |
1422 | * List all tracker of a domain | |
1423 | */ | |
1424 | static int list_trackers(void) | |
1425 | { | |
1426 | int ret; | |
1427 | ||
1428 | /* Trackers listing */ | |
1429 | if (lttng_opt_mi) { | |
1430 | ret = mi_lttng_trackers_open(writer); | |
1431 | if (ret) { | |
1432 | goto end; | |
1433 | } | |
1434 | } | |
1435 | ||
1436 | /* pid tracker */ | |
1437 | ret = list_tracker_pids(); | |
1438 | if (ret) { | |
1439 | goto end; | |
1440 | } | |
1441 | ||
1442 | if (lttng_opt_mi) { | |
1443 | /* Close trackers element */ | |
1444 | ret = mi_lttng_writer_close_element(writer); | |
1445 | if (ret) { | |
1446 | goto end; | |
1447 | } | |
1448 | } | |
1449 | ||
1450 | end: | |
1451 | return ret; | |
a5dfbb9d MD |
1452 | } |
1453 | ||
fb14d0d8 JR |
1454 | /* |
1455 | * Machine interface | |
1456 | * Find the session with session_name as name | |
1457 | * and print his informations. | |
1458 | */ | |
1459 | static int mi_list_session(const char *session_name, | |
1460 | struct lttng_session *sessions, int count) | |
1461 | { | |
1462 | int ret, i; | |
1463 | unsigned int session_found = 0; | |
1464 | ||
1465 | if (session_name == NULL) { | |
1466 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1467 | goto end; | |
1468 | } | |
1469 | ||
1470 | for (i = 0; i < count; i++) { | |
1471 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1472 | /* We need to leave it open to append other informations | |
1473 | * like domain, channel, events etc.*/ | |
1474 | session_found = 1; | |
1475 | ret = mi_lttng_session(writer, &sessions[i], 1); | |
1476 | if (ret) { | |
1477 | goto end; | |
1478 | } | |
9f19cc17 | 1479 | break; |
f3ed775e | 1480 | } |
f3ed775e DG |
1481 | } |
1482 | ||
fb14d0d8 JR |
1483 | if (!session_found) { |
1484 | ERR("Session '%s' not found", session_name); | |
1485 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1486 | goto end; | |
9f19cc17 | 1487 | } |
f3ed775e | 1488 | |
fb14d0d8 JR |
1489 | end: |
1490 | return ret; | |
1491 | } | |
f3ed775e | 1492 | |
fb14d0d8 JR |
1493 | /* |
1494 | * Machine interface | |
1495 | * List all availables session | |
1496 | */ | |
1497 | static int mi_list_sessions(struct lttng_session *sessions, int count) | |
1498 | { | |
1499 | int ret, i; | |
ae856491 | 1500 | |
fb14d0d8 JR |
1501 | /* Opening sessions element */ |
1502 | ret = mi_lttng_sessions_open(writer); | |
1503 | if (ret) { | |
1504 | goto end; | |
1505 | } | |
1506 | ||
1507 | /* Listing sessions */ | |
1508 | for (i = 0; i < count; i++) { | |
1509 | ret = mi_lttng_session(writer, &sessions[i], 0); | |
1510 | if (ret) { | |
1511 | goto end; | |
1512 | } | |
1513 | } | |
1514 | ||
1515 | /* Closing sessions element */ | |
1516 | ret = mi_lttng_writer_close_element(writer); | |
1517 | if (ret) { | |
1518 | goto end; | |
1519 | } | |
1520 | ||
1521 | end: | |
f3ed775e DG |
1522 | return ret; |
1523 | } | |
1524 | ||
1525 | /* | |
9f19cc17 | 1526 | * List available tracing session. List only basic information. |
f3ed775e | 1527 | * |
9f19cc17 | 1528 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 1529 | */ |
9f19cc17 | 1530 | static int list_sessions(const char *session_name) |
f3ed775e | 1531 | { |
fb14d0d8 JR |
1532 | int ret = CMD_SUCCESS; |
1533 | int count, i; | |
9f19cc17 DG |
1534 | unsigned int session_found = 0; |
1535 | struct lttng_session *sessions; | |
1536 | ||
1537 | count = lttng_list_sessions(&sessions); | |
1538 | DBG("Session count %d", count); | |
1539 | if (count < 0) { | |
fb14d0d8 JR |
1540 | ret = CMD_ERROR; |
1541 | ERR("%s", lttng_strerror(count)); | |
d32fb093 | 1542 | goto end; |
9f19cc17 DG |
1543 | } |
1544 | ||
fb14d0d8 JR |
1545 | if (lttng_opt_mi) { |
1546 | /* Mi */ | |
1547 | if (session_name == NULL) { | |
1548 | /* List all session */ | |
1549 | ret = mi_list_sessions(sessions, count); | |
1550 | } else { | |
1551 | /* Note : this return an open session element */ | |
1552 | ret = mi_list_session(session_name, sessions, count); | |
1553 | } | |
1554 | if (ret) { | |
1555 | ret = CMD_ERROR; | |
1556 | goto error; | |
1557 | } | |
1558 | } else { | |
1559 | /* Pretty print */ | |
1560 | if (count == 0) { | |
1561 | MSG("Currently no available tracing session"); | |
fb14d0d8 JR |
1562 | goto end; |
1563 | } | |
9f19cc17 | 1564 | |
fb14d0d8 JR |
1565 | if (session_name == NULL) { |
1566 | MSG("Available tracing sessions:"); | |
1567 | } | |
1568 | ||
1569 | ||
1570 | for (i = 0; i < count; i++) { | |
1571 | if (session_name != NULL) { | |
1572 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1573 | session_found = 1; | |
1574 | MSG("Tracing session %s: [%s%s]", session_name, | |
1575 | active_string(sessions[i].enabled), | |
1576 | snapshot_string(sessions[i].snapshot_mode)); | |
1577 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); | |
1578 | break; | |
1579 | } | |
1580 | } else { | |
1581 | MSG(" %d) %s (%s) [%s%s]", i + 1, | |
1582 | sessions[i].name, sessions[i].path, | |
2cbf8fed DG |
1583 | active_string(sessions[i].enabled), |
1584 | snapshot_string(sessions[i].snapshot_mode)); | |
2f785fe7 | 1585 | MSG("%sTrace path: %s", indent4, sessions[i].path); |
fcbc96a2 JG |
1586 | if (sessions[i].live_timer_interval != 0) { |
1587 | MSG("%sLive timer interval (usec): %u", indent4, | |
1588 | sessions[i].live_timer_interval); | |
1589 | } | |
1590 | MSG(""); | |
9f19cc17 | 1591 | } |
fb14d0d8 JR |
1592 | } |
1593 | ||
1594 | if (!session_found && session_name != NULL) { | |
1595 | ERR("Session '%s' not found", session_name); | |
1596 | ret = CMD_ERROR; | |
1597 | goto error; | |
1598 | } | |
1599 | ||
1600 | if (session_name == NULL) { | |
1601 | MSG("\nUse lttng list <session_name> for more details"); | |
9f19cc17 DG |
1602 | } |
1603 | } | |
1604 | ||
fb14d0d8 | 1605 | error: |
9f19cc17 | 1606 | free(sessions); |
fb14d0d8 JR |
1607 | end: |
1608 | return ret; | |
1609 | } | |
9f19cc17 | 1610 | |
fb14d0d8 JR |
1611 | |
1612 | /* | |
1613 | * Machine Interface | |
1614 | * list available domain(s) for a session. | |
1615 | */ | |
1616 | static int mi_list_domains(struct lttng_domain *domains, int count) | |
1617 | { | |
1618 | int i, ret; | |
1619 | /* Open domains element */ | |
1620 | ret = mi_lttng_domains_open(writer); | |
1621 | if (ret) { | |
1622 | goto end; | |
9f19cc17 DG |
1623 | } |
1624 | ||
fb14d0d8 JR |
1625 | for (i = 0; i < count; i++) { |
1626 | ret = mi_lttng_domain(writer, &domains[i] , 0); | |
1627 | if (ret) { | |
1628 | goto end; | |
1629 | } | |
9f19cc17 | 1630 | } |
f3ed775e | 1631 | |
fb14d0d8 JR |
1632 | /* Closing domains element */ |
1633 | ret = mi_lttng_writer_close_element(writer); | |
1634 | if (ret) { | |
1635 | goto end; | |
1636 | } | |
d32fb093 | 1637 | end: |
f3ed775e DG |
1638 | return ret; |
1639 | } | |
f3ed775e DG |
1640 | |
1641 | /* | |
9f19cc17 | 1642 | * List available domain(s) for a session. |
f3ed775e | 1643 | */ |
330be774 | 1644 | static int list_domains(const char *session_name) |
f3ed775e | 1645 | { |
9f19cc17 DG |
1646 | int i, count, ret = CMD_SUCCESS; |
1647 | struct lttng_domain *domains = NULL; | |
1648 | ||
9f19cc17 | 1649 | |
330be774 | 1650 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 | 1651 | if (count < 0) { |
fb14d0d8 JR |
1652 | ret = CMD_ERROR; |
1653 | ERR("%s", lttng_strerror(count)); | |
9f19cc17 DG |
1654 | goto end; |
1655 | } | |
1656 | ||
fb14d0d8 JR |
1657 | if (lttng_opt_mi) { |
1658 | /* Mi output */ | |
1659 | ret = mi_list_domains(domains, count); | |
1660 | if (ret) { | |
1661 | ret = CMD_ERROR; | |
1662 | goto error; | |
1663 | } | |
1664 | } else { | |
1665 | /* Pretty print */ | |
1666 | MSG("Domains:\n-------------"); | |
1667 | if (count == 0) { | |
1668 | MSG(" None"); | |
1669 | goto end; | |
1670 | } | |
1671 | ||
1672 | for (i = 0; i < count; i++) { | |
1673 | switch (domains[i].type) { | |
1674 | case LTTNG_DOMAIN_KERNEL: | |
1675 | MSG(" - Kernel"); | |
1676 | break; | |
1677 | case LTTNG_DOMAIN_UST: | |
1678 | MSG(" - UST global"); | |
1679 | break; | |
1680 | case LTTNG_DOMAIN_JUL: | |
1681 | MSG(" - JUL (Java Util Logging)"); | |
1682 | break; | |
5cdb6027 DG |
1683 | case LTTNG_DOMAIN_LOG4J: |
1684 | MSG(" - LOG4j (Logging for Java)"); | |
1685 | break; | |
0e115563 DG |
1686 | case LTTNG_DOMAIN_PYTHON: |
1687 | MSG(" - Python (logging)"); | |
1688 | break; | |
fb14d0d8 JR |
1689 | default: |
1690 | break; | |
1691 | } | |
9f19cc17 DG |
1692 | } |
1693 | } | |
1694 | ||
fb14d0d8 | 1695 | error: |
9f19cc17 DG |
1696 | free(domains); |
1697 | ||
fb14d0d8 | 1698 | end: |
9f19cc17 | 1699 | return ret; |
f3ed775e | 1700 | } |
f3ed775e DG |
1701 | |
1702 | /* | |
9f19cc17 | 1703 | * The 'list <options>' first level command |
f3ed775e DG |
1704 | */ |
1705 | int cmd_list(int argc, const char **argv) | |
1706 | { | |
c617c0c6 | 1707 | int opt, ret = CMD_SUCCESS; |
9f19cc17 | 1708 | const char *session_name; |
f3ed775e | 1709 | static poptContext pc; |
9f19cc17 DG |
1710 | struct lttng_domain domain; |
1711 | struct lttng_domain *domains = NULL; | |
f3ed775e | 1712 | |
441c16a7 MD |
1713 | memset(&domain, 0, sizeof(domain)); |
1714 | ||
9f19cc17 | 1715 | if (argc < 1) { |
ca1c3607 | 1716 | ret = CMD_ERROR; |
f3ed775e DG |
1717 | goto end; |
1718 | } | |
1719 | ||
1720 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
1721 | poptReadDefaultConfig(pc, 0); | |
1722 | ||
1723 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
1724 | switch (opt) { | |
1725 | case OPT_HELP: | |
4ba92f18 | 1726 | SHOW_HELP(); |
f3ed775e | 1727 | goto end; |
eeac7d46 MD |
1728 | case OPT_USERSPACE: |
1729 | opt_userspace = 1; | |
eeac7d46 | 1730 | break; |
679b4943 SM |
1731 | case OPT_LIST_OPTIONS: |
1732 | list_cmd_options(stdout, long_options); | |
679b4943 | 1733 | goto end; |
f3ed775e | 1734 | default: |
f3ed775e DG |
1735 | ret = CMD_UNDEFINED; |
1736 | goto end; | |
1737 | } | |
1738 | } | |
1739 | ||
fb14d0d8 JR |
1740 | /* Mi check */ |
1741 | if (lttng_opt_mi) { | |
1742 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
1743 | if (!writer) { | |
1744 | ret = CMD_ERROR; | |
1745 | goto end; | |
1746 | } | |
1747 | ||
1748 | /* Open command element */ | |
1749 | ret = mi_lttng_writer_command_open(writer, | |
1750 | mi_lttng_element_command_list); | |
1751 | if (ret) { | |
1752 | ret = CMD_ERROR; | |
1753 | goto end; | |
1754 | } | |
1755 | ||
1756 | /* Open output element */ | |
1757 | ret = mi_lttng_writer_open_element(writer, | |
1758 | mi_lttng_element_command_output); | |
1759 | if (ret) { | |
1760 | ret = CMD_ERROR; | |
1761 | goto end; | |
1762 | } | |
1763 | } | |
1764 | ||
9f19cc17 DG |
1765 | /* Get session name (trailing argument) */ |
1766 | session_name = poptGetArg(pc); | |
b551a063 | 1767 | DBG2("Session name: %s", session_name); |
9f19cc17 | 1768 | |
cd80958d DG |
1769 | if (opt_kernel) { |
1770 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
1771 | } else if (opt_userspace) { |
1772 | DBG2("Listing userspace global domain"); | |
1773 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
1774 | } else if (opt_jul) { |
1775 | DBG2("Listing JUL domain"); | |
1776 | domain.type = LTTNG_DOMAIN_JUL; | |
edf60534 | 1777 | } else if (opt_log4j) { |
5cdb6027 | 1778 | domain.type = LTTNG_DOMAIN_LOG4J; |
0e115563 DG |
1779 | } else if (opt_python) { |
1780 | domain.type = LTTNG_DOMAIN_PYTHON; | |
cd80958d DG |
1781 | } |
1782 | ||
834978fd DG |
1783 | if (!opt_kernel && opt_syscall) { |
1784 | WARN("--syscall will only work with the Kernel domain (-k)"); | |
1785 | ret = CMD_ERROR; | |
1786 | goto end; | |
1787 | } | |
1788 | ||
0e115563 | 1789 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_python) { |
aa5de748 MD |
1790 | handle = lttng_create_handle(session_name, &domain); |
1791 | if (handle == NULL) { | |
1792 | ret = CMD_FATAL; | |
1793 | goto end; | |
1794 | } | |
cd80958d DG |
1795 | } |
1796 | ||
9f19cc17 | 1797 | if (session_name == NULL) { |
0e115563 DG |
1798 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j |
1799 | && !opt_python) { | |
b551a063 | 1800 | ret = list_sessions(NULL); |
fb14d0d8 | 1801 | if (ret) { |
b551a063 DG |
1802 | goto end; |
1803 | } | |
1804 | } | |
9f19cc17 | 1805 | if (opt_kernel) { |
834978fd DG |
1806 | if (opt_syscall) { |
1807 | ret = list_syscalls(); | |
1808 | if (ret) { | |
1809 | goto end; | |
1810 | } | |
1811 | } else { | |
1812 | ret = list_kernel_events(); | |
1813 | if (ret) { | |
1814 | goto end; | |
1815 | } | |
9f19cc17 | 1816 | } |
b551a063 DG |
1817 | } |
1818 | if (opt_userspace) { | |
f37d259d MD |
1819 | if (opt_fields) { |
1820 | ret = list_ust_event_fields(); | |
1821 | } else { | |
1822 | ret = list_ust_events(); | |
1823 | } | |
fb14d0d8 | 1824 | if (ret) { |
9f19cc17 DG |
1825 | goto end; |
1826 | } | |
1827 | } | |
0e115563 | 1828 | if (opt_jul || opt_log4j || opt_python) { |
5cdb6027 | 1829 | ret = list_agent_events(); |
fb14d0d8 | 1830 | if (ret) { |
3c6a091f DG |
1831 | goto end; |
1832 | } | |
1833 | } | |
9f19cc17 DG |
1834 | } else { |
1835 | /* List session attributes */ | |
fb14d0d8 JR |
1836 | if (lttng_opt_mi) { |
1837 | /* Open element sessions | |
1838 | * Present for xml consistency */ | |
1839 | ret = mi_lttng_sessions_open(writer); | |
1840 | if (ret) { | |
1841 | goto end; | |
1842 | } | |
1843 | } | |
1844 | /* MI: the ouptut of list_sessions is an unclosed session element */ | |
9f19cc17 | 1845 | ret = list_sessions(session_name); |
fb14d0d8 | 1846 | if (ret) { |
9f19cc17 DG |
1847 | goto end; |
1848 | } | |
1849 | ||
1850 | /* Domain listing */ | |
1851 | if (opt_domain) { | |
330be774 | 1852 | ret = list_domains(session_name); |
9f19cc17 DG |
1853 | goto end; |
1854 | } | |
1855 | ||
fb14d0d8 | 1856 | /* Channel listing */ |
1c3de747 | 1857 | if (opt_kernel || opt_userspace) { |
fb14d0d8 JR |
1858 | if (lttng_opt_mi) { |
1859 | /* Add of domains and domain element for xml | |
1860 | * consistency and validation | |
1861 | */ | |
1862 | ret = mi_lttng_domains_open(writer); | |
1863 | if (ret) { | |
1864 | goto end; | |
1865 | } | |
1866 | ||
1867 | /* Open domain and leave it open for | |
1868 | * nested channels printing */ | |
1869 | ret = mi_lttng_domain(writer, &domain, 1); | |
1870 | if (ret) { | |
1871 | goto end; | |
1872 | } | |
1873 | ||
1874 | } | |
1875 | ||
ebbf5ab7 JR |
1876 | |
1877 | /* Trackers */ | |
1878 | ret = list_trackers(); | |
a5dfbb9d MD |
1879 | if (ret) { |
1880 | goto end; | |
1881 | } | |
1882 | ||
ebbf5ab7 | 1883 | /* Channels */ |
cd80958d | 1884 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
1885 | if (ret) { |
1886 | goto end; | |
1887 | } | |
1888 | ||
1889 | if (lttng_opt_mi) { | |
1890 | /* Close domain and domain element */ | |
1891 | ret = mi_lttng_close_multi_element(writer, 2); | |
1892 | } | |
1893 | if (ret) { | |
9f19cc17 DG |
1894 | goto end; |
1895 | } | |
fb14d0d8 JR |
1896 | |
1897 | ||
9f19cc17 | 1898 | } else { |
c617c0c6 MD |
1899 | int i, nb_domain; |
1900 | ||
9f19cc17 | 1901 | /* We want all domain(s) */ |
330be774 | 1902 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 1903 | if (nb_domain < 0) { |
fb14d0d8 JR |
1904 | ret = CMD_ERROR; |
1905 | ERR("%s", lttng_strerror(nb_domain)); | |
9f19cc17 DG |
1906 | goto end; |
1907 | } | |
1908 | ||
fb14d0d8 JR |
1909 | if (lttng_opt_mi) { |
1910 | ret = mi_lttng_domains_open(writer); | |
1911 | if (ret) { | |
1912 | ret = CMD_ERROR; | |
1913 | goto end; | |
1914 | } | |
1915 | } | |
1916 | ||
b551a063 | 1917 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
1918 | switch (domains[i].type) { |
1919 | case LTTNG_DOMAIN_KERNEL: | |
1920 | MSG("=== Domain: Kernel ===\n"); | |
1921 | break; | |
b551a063 DG |
1922 | case LTTNG_DOMAIN_UST: |
1923 | MSG("=== Domain: UST global ===\n"); | |
88c5f0d8 DG |
1924 | MSG("Buffer type: %s\n", |
1925 | domains[i].buf_type == | |
1926 | LTTNG_BUFFER_PER_PID ? "per PID" : "per UID"); | |
b551a063 | 1927 | break; |
3c6a091f DG |
1928 | case LTTNG_DOMAIN_JUL: |
1929 | MSG("=== Domain: JUL (Java Util Logging) ===\n"); | |
1930 | break; | |
5cdb6027 DG |
1931 | case LTTNG_DOMAIN_LOG4J: |
1932 | MSG("=== Domain: LOG4j (Logging for Java) ===\n"); | |
1933 | break; | |
0e115563 DG |
1934 | case LTTNG_DOMAIN_PYTHON: |
1935 | MSG("=== Domain: Python (logging) ===\n"); | |
1936 | break; | |
9f19cc17 DG |
1937 | default: |
1938 | MSG("=== Domain: Unimplemented ===\n"); | |
1939 | break; | |
1940 | } | |
1941 | ||
fb14d0d8 JR |
1942 | if (lttng_opt_mi) { |
1943 | ret = mi_lttng_domain(writer, &domains[i], 1); | |
1944 | if (ret) { | |
1945 | ret = CMD_ERROR; | |
1946 | goto end; | |
1947 | } | |
1948 | } | |
1949 | ||
cd80958d | 1950 | /* Clean handle before creating a new one */ |
aa5de748 MD |
1951 | if (handle) { |
1952 | lttng_destroy_handle(handle); | |
1953 | } | |
cd80958d DG |
1954 | |
1955 | handle = lttng_create_handle(session_name, &domains[i]); | |
1956 | if (handle == NULL) { | |
ca1c3607 | 1957 | ret = CMD_FATAL; |
cd80958d DG |
1958 | goto end; |
1959 | } | |
1960 | ||
5cdb6027 | 1961 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
0e115563 DG |
1962 | domains[i].type == LTTNG_DOMAIN_LOG4J || |
1963 | domains[i].type == LTTNG_DOMAIN_PYTHON) { | |
5cdb6027 | 1964 | ret = list_session_agent_events(); |
fb14d0d8 | 1965 | if (ret) { |
3c6a091f DG |
1966 | goto end; |
1967 | } | |
cd7b2927 PP |
1968 | |
1969 | goto next_domain; | |
3c6a091f | 1970 | } |
a5dfbb9d MD |
1971 | |
1972 | switch (domains[i].type) { | |
1973 | case LTTNG_DOMAIN_KERNEL: | |
1974 | case LTTNG_DOMAIN_UST: | |
ebbf5ab7 | 1975 | ret = list_trackers(); |
a5dfbb9d MD |
1976 | if (ret) { |
1977 | goto end; | |
1978 | } | |
1979 | break; | |
1980 | default: | |
1981 | break; | |
1982 | } | |
3c6a091f | 1983 | |
cd80958d | 1984 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
1985 | if (ret) { |
1986 | goto end; | |
1987 | } | |
1988 | ||
cd7b2927 | 1989 | next_domain: |
fb14d0d8 JR |
1990 | if (lttng_opt_mi) { |
1991 | /* Close domain element */ | |
1992 | ret = mi_lttng_writer_close_element(writer); | |
1993 | if (ret) { | |
1994 | ret = CMD_ERROR; | |
1995 | goto end; | |
1996 | } | |
1997 | } | |
1998 | ||
1999 | } | |
2000 | if (lttng_opt_mi) { | |
2001 | /* Close the domains, session and sessions element */ | |
2002 | ret = mi_lttng_close_multi_element(writer, 3); | |
2003 | if (ret) { | |
2004 | ret = CMD_ERROR; | |
9f19cc17 DG |
2005 | goto end; |
2006 | } | |
2007 | } | |
2008 | } | |
f3ed775e DG |
2009 | } |
2010 | ||
fb14d0d8 JR |
2011 | /* Mi closing */ |
2012 | if (lttng_opt_mi) { | |
2013 | /* Close output element */ | |
2014 | ret = mi_lttng_writer_close_element(writer); | |
2015 | if (ret) { | |
2016 | ret = CMD_ERROR; | |
2017 | goto end; | |
2018 | } | |
2019 | ||
2020 | /* Command element close */ | |
2021 | ret = mi_lttng_writer_command_close(writer); | |
2022 | if (ret) { | |
2023 | ret = CMD_ERROR; | |
2024 | goto end; | |
2025 | } | |
2026 | } | |
f3ed775e | 2027 | end: |
fb14d0d8 JR |
2028 | /* Mi clean-up */ |
2029 | if (writer && mi_lttng_writer_destroy(writer)) { | |
2030 | /* Preserve original error code */ | |
2031 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
2032 | } | |
2033 | ||
0e428499 | 2034 | free(domains); |
aa5de748 MD |
2035 | if (handle) { |
2036 | lttng_destroy_handle(handle); | |
2037 | } | |
cd80958d | 2038 | |
ca1c3607 | 2039 | poptFreeContext(pc); |
f3ed775e DG |
2040 | return ret; |
2041 | } |