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