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> |
28a20cd3 | 27 | #include <common/time.h> |
fae9a062 | 28 | #include <lttng/constant.h> |
fb14d0d8 | 29 | |
c399183f | 30 | #include "../command.h" |
f3ed775e | 31 | |
9f19cc17 DG |
32 | static int opt_userspace; |
33 | static int opt_kernel; | |
3c6a091f | 34 | static int opt_jul; |
5cdb6027 | 35 | static int opt_log4j; |
0e115563 | 36 | static int opt_python; |
9f19cc17 DG |
37 | static char *opt_channel; |
38 | static int opt_domain; | |
f37d259d | 39 | static int opt_fields; |
834978fd | 40 | static int opt_syscall; |
9f19cc17 DG |
41 | |
42 | const char *indent4 = " "; | |
43 | const char *indent6 = " "; | |
44 | const char *indent8 = " "; | |
f3ed775e | 45 | |
4fc83d94 PP |
46 | #ifdef LTTNG_EMBED_HELP |
47 | static const char help_msg[] = | |
48 | #include <lttng-list.1.h> | |
49 | ; | |
50 | #endif | |
51 | ||
f3ed775e DG |
52 | enum { |
53 | OPT_HELP = 1, | |
eeac7d46 | 54 | OPT_USERSPACE, |
679b4943 | 55 | OPT_LIST_OPTIONS, |
f3ed775e DG |
56 | }; |
57 | ||
cd80958d | 58 | static struct lttng_handle *handle; |
fb14d0d8 | 59 | static struct mi_writer *writer; |
cd80958d | 60 | |
e50e81d3 JG |
61 | /* Only set when listing a single session. */ |
62 | static struct lttng_session listed_session; | |
63 | ||
f3ed775e DG |
64 | static struct poptOption long_options[] = { |
65 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
2fa605f7 JG |
66 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, |
67 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, | |
68 | {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0}, | |
69 | {"log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0}, | |
70 | {"python", 'p', POPT_ARG_VAL, &opt_python, 1, 0, 0}, | |
71 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, | |
72 | {"channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0}, | |
73 | {"domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0}, | |
74 | {"fields", 'f', POPT_ARG_VAL, &opt_fields, 1, 0, 0}, | |
75 | {"syscall", 'S', POPT_ARG_VAL, &opt_syscall, 1, 0, 0}, | |
679b4943 | 76 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
f3ed775e DG |
77 | {0, 0, 0, 0, 0, 0, 0} |
78 | }; | |
79 | ||
f3ed775e | 80 | /* |
9f19cc17 | 81 | * Get command line from /proc for a specific pid. |
f3ed775e | 82 | * |
9f19cc17 DG |
83 | * On success, return an allocated string pointer to the proc cmdline. |
84 | * On error, return NULL. | |
f3ed775e DG |
85 | */ |
86 | static char *get_cmdline_by_pid(pid_t pid) | |
87 | { | |
88 | int ret; | |
1ad31aec | 89 | FILE *fp = NULL; |
f3ed775e | 90 | char *cmdline = NULL; |
fae9a062 JG |
91 | /* Can't go bigger than /proc/LTTNG_MAX_PID/cmdline */ |
92 | char path[sizeof("/proc//cmdline") + sizeof(LTTNG_MAX_PID_STR) - 1]; | |
f3ed775e DG |
93 | |
94 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); | |
95 | fp = fopen(path, "r"); | |
96 | if (fp == NULL) { | |
97 | goto end; | |
98 | } | |
99 | ||
100 | /* Caller must free() *cmdline */ | |
63a2c1bd | 101 | cmdline = zmalloc(PATH_MAX); |
f6962219 | 102 | if (!cmdline) { |
6f04ed72 | 103 | PERROR("malloc cmdline"); |
f6962219 JG |
104 | goto end; |
105 | } | |
f3ed775e | 106 | ret = fread(cmdline, 1, PATH_MAX, fp); |
f40799e8 | 107 | if (ret < 0) { |
6f04ed72 | 108 | PERROR("fread proc list"); |
f40799e8 | 109 | } |
f3ed775e DG |
110 | |
111 | end: | |
1ad31aec DG |
112 | if (fp) { |
113 | fclose(fp); | |
114 | } | |
f3ed775e DG |
115 | return cmdline; |
116 | } | |
b551a063 | 117 | |
464dd62d MD |
118 | static |
119 | const char *active_string(int value) | |
120 | { | |
121 | switch (value) { | |
2cbf8fed DG |
122 | case 0: return "inactive"; |
123 | case 1: return "active"; | |
464dd62d MD |
124 | case -1: return ""; |
125 | default: return NULL; | |
126 | } | |
127 | } | |
128 | ||
2cbf8fed DG |
129 | static const char *snapshot_string(int value) |
130 | { | |
131 | switch (value) { | |
132 | case 1: | |
133 | return " snapshot"; | |
134 | default: | |
135 | return ""; | |
136 | } | |
137 | } | |
138 | ||
464dd62d MD |
139 | static |
140 | const char *enabled_string(int value) | |
141 | { | |
142 | switch (value) { | |
b09f0429 MD |
143 | case 0: return " [disabled]"; |
144 | case 1: return " [enabled]"; | |
464dd62d MD |
145 | case -1: return ""; |
146 | default: return NULL; | |
147 | } | |
148 | } | |
149 | ||
fceb65df | 150 | static |
7b4a95b1 | 151 | const char *safe_string(const char *str) |
fceb65df | 152 | { |
7b4a95b1 | 153 | return str ? str : ""; |
4634f12e JI |
154 | } |
155 | ||
1f0e17de DG |
156 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
157 | { | |
158 | switch (value) { | |
af6bce80 DG |
159 | case LTTNG_EVENT_LOGLEVEL_ALL: |
160 | return ":"; | |
1f0e17de | 161 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
af6bce80 | 162 | return " <="; |
1f0e17de | 163 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
af6bce80 | 164 | return " =="; |
1f0e17de | 165 | default: |
af6bce80 | 166 | return " <<TYPE UNKN>>"; |
1f0e17de DG |
167 | } |
168 | } | |
169 | ||
834978fd DG |
170 | static const char *bitness_event(enum lttng_event_flag flags) |
171 | { | |
172 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_32) { | |
173 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
174 | return " [32/64-bit]"; | |
175 | } else { | |
176 | return " [32-bit]"; | |
177 | } | |
178 | } else if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
179 | return " [64-bit]"; | |
180 | } else { | |
181 | return ""; | |
182 | } | |
183 | } | |
184 | ||
7b4a95b1 PP |
185 | /* |
186 | * Get exclusion names message for a single event. | |
187 | * | |
188 | * Returned pointer must be freed by caller. Returns NULL on error. | |
189 | */ | |
190 | static char *get_exclusion_names_msg(struct lttng_event *event) | |
191 | { | |
192 | int ret; | |
193 | int exclusion_count; | |
194 | char *exclusion_msg = NULL; | |
195 | char *at; | |
7b4a95b1 PP |
196 | size_t i; |
197 | const char * const exclusion_fmt = " [exclusions: "; | |
19ed7632 | 198 | const size_t exclusion_fmt_len = strlen(exclusion_fmt); |
7b4a95b1 PP |
199 | |
200 | exclusion_count = lttng_event_get_exclusion_name_count(event); | |
201 | if (exclusion_count < 0) { | |
202 | goto end; | |
203 | } else if (exclusion_count == 0) { | |
204 | /* | |
205 | * No exclusions: return copy of empty string so that | |
206 | * it can be freed by caller. | |
207 | */ | |
208 | exclusion_msg = strdup(""); | |
209 | goto end; | |
210 | } | |
211 | ||
212 | /* | |
213 | * exclusion_msg's size is bounded by the exclusion_fmt string, | |
214 | * a comma per entry, the entry count (fixed-size), a closing | |
215 | * bracket, and a trailing \0. | |
216 | */ | |
217 | exclusion_msg = malloc(exclusion_count + | |
218 | exclusion_count * LTTNG_SYMBOL_NAME_LEN + | |
19ed7632 | 219 | exclusion_fmt_len + 1); |
7b4a95b1 PP |
220 | if (!exclusion_msg) { |
221 | goto end; | |
222 | } | |
223 | ||
19ed7632 | 224 | at = strcpy(exclusion_msg, exclusion_fmt) + exclusion_fmt_len; |
7b4a95b1 PP |
225 | for (i = 0; i < exclusion_count; ++i) { |
226 | const char *name; | |
227 | ||
228 | /* Append comma between exclusion names */ | |
229 | if (i > 0) { | |
230 | *at = ','; | |
231 | at++; | |
232 | } | |
233 | ||
234 | ret = lttng_event_get_exclusion_name(event, i, &name); | |
235 | if (ret) { | |
236 | /* Prints '?' on local error; should never happen */ | |
237 | *at = '?'; | |
238 | at++; | |
239 | continue; | |
240 | } | |
241 | ||
242 | /* Append exclusion name */ | |
31e40170 | 243 | at += sprintf(at, "%s", name); |
7b4a95b1 PP |
244 | } |
245 | ||
246 | /* This also puts a final '\0' at the end of exclusion_msg */ | |
19ed7632 | 247 | strcpy(at, "]"); |
7b4a95b1 PP |
248 | |
249 | end: | |
250 | return exclusion_msg; | |
251 | } | |
252 | ||
b955b4d4 FD |
253 | static void print_userspace_probe_location(struct lttng_event *event) |
254 | { | |
87597c2c JG |
255 | const struct lttng_userspace_probe_location *location; |
256 | const struct lttng_userspace_probe_location_lookup_method *lookup_method; | |
b955b4d4 FD |
257 | enum lttng_userspace_probe_location_lookup_method_type lookup_type; |
258 | ||
259 | location = lttng_event_get_userspace_probe_location(event); | |
260 | if (!location) { | |
261 | MSG("Event has no userspace probe location"); | |
262 | return; | |
263 | } | |
264 | ||
265 | lookup_method = lttng_userspace_probe_location_get_lookup_method(location); | |
266 | if (!lookup_method) { | |
267 | MSG("Event has no userspace probe location lookup method"); | |
268 | return; | |
269 | } | |
270 | ||
271 | MSG("%s%s (type: userspace-probe)%s", indent6, event->name, enabled_string(event->enabled)); | |
272 | ||
273 | lookup_type = lttng_userspace_probe_location_lookup_method_get_type(lookup_method); | |
274 | ||
275 | switch (lttng_userspace_probe_location_get_type(location)) { | |
276 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_UNKNOWN: | |
277 | MSG("%sType: Unknown", indent8); | |
278 | break; | |
279 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION: | |
280 | { | |
281 | const char *function_name; | |
82598b9b | 282 | char *binary_path; |
b955b4d4 FD |
283 | |
284 | MSG("%sType: Function", indent8); | |
285 | function_name = lttng_userspace_probe_location_function_get_function_name(location); | |
286 | binary_path = realpath(lttng_userspace_probe_location_function_get_binary_path(location), NULL); | |
287 | ||
288 | MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL"); | |
289 | MSG("%sFunction: %s()", indent8, function_name ? function_name : "NULL"); | |
290 | switch (lookup_type) { | |
291 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF: | |
292 | MSG("%sLookup method: ELF", indent8); | |
293 | break; | |
294 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_DEFAULT: | |
295 | MSG("%sLookup method: default", indent8); | |
296 | break; | |
297 | default: | |
298 | MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8); | |
299 | break; | |
300 | } | |
82598b9b JG |
301 | |
302 | free(binary_path); | |
b955b4d4 FD |
303 | break; |
304 | } | |
305 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT: | |
306 | { | |
307 | const char *probe_name, *provider_name; | |
82598b9b | 308 | char *binary_path; |
b955b4d4 FD |
309 | |
310 | MSG("%sType: Tracepoint", indent8); | |
311 | probe_name = lttng_userspace_probe_location_tracepoint_get_probe_name(location); | |
312 | provider_name = lttng_userspace_probe_location_tracepoint_get_provider_name(location); | |
313 | binary_path = realpath(lttng_userspace_probe_location_tracepoint_get_binary_path(location), NULL); | |
314 | MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL"); | |
315 | MSG("%sTracepoint: %s:%s", indent8, provider_name ? provider_name : "NULL", probe_name ? probe_name : "NULL"); | |
316 | switch (lookup_type) { | |
317 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_TRACEPOINT_SDT: | |
318 | MSG("%sLookup method: SDT", indent8); | |
319 | break; | |
320 | default: | |
321 | MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8); | |
322 | break; | |
323 | } | |
82598b9b JG |
324 | |
325 | free(binary_path); | |
b955b4d4 FD |
326 | break; |
327 | } | |
328 | default: | |
329 | ERR("Invalid probe type encountered"); | |
330 | } | |
331 | } | |
332 | ||
b551a063 DG |
333 | /* |
334 | * Pretty print single event. | |
335 | */ | |
336 | static void print_events(struct lttng_event *event) | |
337 | { | |
4adbcc72 PP |
338 | int ret; |
339 | const char *filter_str; | |
340 | char *filter_msg = NULL; | |
7b4a95b1 | 341 | char *exclusion_msg = NULL; |
4adbcc72 | 342 | |
134e72ed | 343 | ret = lttng_event_get_filter_expression(event, &filter_str); |
4adbcc72 PP |
344 | |
345 | if (ret) { | |
346 | filter_msg = strdup(" [failed to retrieve filter]"); | |
347 | } else if (filter_str) { | |
348 | const char * const filter_fmt = " [filter: '%s']"; | |
349 | ||
350 | filter_msg = malloc(strlen(filter_str) + | |
351 | strlen(filter_fmt) + 1); | |
352 | if (filter_msg) { | |
353 | sprintf(filter_msg, filter_fmt, | |
354 | filter_str); | |
355 | } | |
356 | } | |
357 | ||
7b4a95b1 PP |
358 | exclusion_msg = get_exclusion_names_msg(event); |
359 | if (!exclusion_msg) { | |
360 | exclusion_msg = strdup(" [failed to retrieve exclusions]"); | |
361 | } | |
362 | ||
b551a063 DG |
363 | switch (event->type) { |
364 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 365 | { |
8b703175 | 366 | if (event->loglevel != -1) { |
af6bce80 | 367 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
8b703175 | 368 | indent6, |
81afa345 | 369 | event->name, |
1f0e17de | 370 | logleveltype_string(event->loglevel_type), |
970d848b | 371 | mi_lttng_loglevel_string(event->loglevel, handle->domain.type), |
8b703175 | 372 | event->loglevel, |
fceb65df | 373 | enabled_string(event->enabled), |
7b4a95b1 PP |
374 | safe_string(exclusion_msg), |
375 | safe_string(filter_msg)); | |
8b703175 | 376 | } else { |
4634f12e | 377 | MSG("%s%s (type: tracepoint)%s%s%s", |
8b703175 MD |
378 | indent6, |
379 | event->name, | |
fceb65df | 380 | enabled_string(event->enabled), |
7b4a95b1 PP |
381 | safe_string(exclusion_msg), |
382 | safe_string(filter_msg)); | |
8b703175 | 383 | } |
b551a063 | 384 | break; |
e4baff1e | 385 | } |
1896972b DG |
386 | case LTTNG_EVENT_FUNCTION: |
387 | MSG("%s%s (type: function)%s%s", indent6, | |
388 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 389 | safe_string(filter_msg)); |
1896972b DG |
390 | if (event->attr.probe.addr != 0) { |
391 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
392 | } else { | |
393 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
394 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
395 | } | |
396 | break; | |
b551a063 | 397 | case LTTNG_EVENT_PROBE: |
fceb65df MD |
398 | MSG("%s%s (type: probe)%s%s", indent6, |
399 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 400 | safe_string(filter_msg)); |
b551a063 DG |
401 | if (event->attr.probe.addr != 0) { |
402 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
403 | } else { | |
404 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
405 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
406 | } | |
407 | break; | |
b955b4d4 FD |
408 | case LTTNG_EVENT_USERSPACE_PROBE: |
409 | print_userspace_probe_location(event); | |
410 | break; | |
b551a063 | 411 | case LTTNG_EVENT_FUNCTION_ENTRY: |
fceb65df MD |
412 | MSG("%s%s (type: function)%s%s", indent6, |
413 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 414 | safe_string(filter_msg)); |
b551a063 DG |
415 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
416 | break; | |
417 | case LTTNG_EVENT_SYSCALL: | |
2199ad66 | 418 | MSG("%s%s%s%s%s%s", indent6, event->name, |
834978fd | 419 | (opt_syscall ? "" : " (type:syscall)"), |
fceb65df | 420 | enabled_string(event->enabled), |
2199ad66 JG |
421 | bitness_event(event->flags), |
422 | safe_string(filter_msg)); | |
b551a063 DG |
423 | break; |
424 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
425 | MSG("%s (type: noop)%s%s", indent6, |
426 | enabled_string(event->enabled), | |
7b4a95b1 | 427 | safe_string(filter_msg)); |
b551a063 DG |
428 | break; |
429 | case LTTNG_EVENT_ALL: | |
410b78a0 FD |
430 | /* Fall-through. */ |
431 | default: | |
b551a063 DG |
432 | /* We should never have "all" events in list. */ |
433 | assert(0); | |
434 | break; | |
435 | } | |
4adbcc72 PP |
436 | |
437 | free(filter_msg); | |
7b4a95b1 | 438 | free(exclusion_msg); |
b551a063 DG |
439 | } |
440 | ||
f37d259d MD |
441 | static const char *field_type(struct lttng_event_field *field) |
442 | { | |
443 | switch(field->type) { | |
444 | case LTTNG_EVENT_FIELD_INTEGER: | |
445 | return "integer"; | |
446 | case LTTNG_EVENT_FIELD_ENUM: | |
447 | return "enum"; | |
448 | case LTTNG_EVENT_FIELD_FLOAT: | |
449 | return "float"; | |
450 | case LTTNG_EVENT_FIELD_STRING: | |
451 | return "string"; | |
452 | case LTTNG_EVENT_FIELD_OTHER: | |
453 | default: /* fall-through */ | |
454 | return "unknown"; | |
455 | } | |
456 | } | |
457 | ||
458 | /* | |
459 | * Pretty print single event fields. | |
460 | */ | |
461 | static void print_event_field(struct lttng_event_field *field) | |
462 | { | |
463 | if (!field->field_name[0]) { | |
464 | return; | |
465 | } | |
d8fbe2a9 | 466 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 467 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
468 | } |
469 | ||
fb14d0d8 JR |
470 | /* |
471 | * Machine interface | |
472 | * Jul and ust event listing | |
473 | */ | |
5cdb6027 | 474 | static int mi_list_agent_ust_events(struct lttng_event *events, int count, |
fb14d0d8 JR |
475 | struct lttng_domain *domain) |
476 | { | |
477 | int ret, i; | |
478 | pid_t cur_pid = 0; | |
479 | char *cmdline = NULL; | |
480 | int pid_element_open = 0; | |
481 | ||
482 | /* Open domains element */ | |
483 | ret = mi_lttng_domains_open(writer); | |
484 | if (ret) { | |
485 | goto end; | |
486 | } | |
487 | ||
488 | /* Write domain */ | |
489 | ret = mi_lttng_domain(writer, domain, 1); | |
490 | if (ret) { | |
491 | goto end; | |
492 | } | |
493 | ||
bf239d4c JR |
494 | /* Open pids element element */ |
495 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
496 | if (ret) { |
497 | goto end; | |
498 | } | |
499 | ||
500 | for (i = 0; i < count; i++) { | |
501 | if (cur_pid != events[i].pid) { | |
502 | if (pid_element_open) { | |
2e9aecb9 | 503 | /* Close the previous events and pid element */ |
fb14d0d8 JR |
504 | ret = mi_lttng_close_multi_element(writer, 2); |
505 | if (ret) { | |
506 | goto end; | |
507 | } | |
508 | pid_element_open = 0; | |
509 | } | |
510 | ||
511 | cur_pid = events[i].pid; | |
512 | cmdline = get_cmdline_by_pid(cur_pid); | |
513 | if (!cmdline) { | |
514 | ret = CMD_ERROR; | |
515 | goto end; | |
516 | } | |
517 | ||
518 | if (!pid_element_open) { | |
519 | /* Open and write a pid element */ | |
bf239d4c | 520 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); |
fb14d0d8 JR |
521 | if (ret) { |
522 | goto error; | |
523 | } | |
524 | ||
525 | /* Open events element */ | |
526 | ret = mi_lttng_events_open(writer); | |
527 | if (ret) { | |
528 | goto error; | |
529 | } | |
530 | ||
531 | pid_element_open = 1; | |
532 | } | |
533 | free(cmdline); | |
534 | } | |
535 | ||
536 | /* Write an event */ | |
970d848b | 537 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
538 | if (ret) { |
539 | goto end; | |
540 | } | |
541 | } | |
542 | ||
bf239d4c | 543 | /* Close pids */ |
fb14d0d8 JR |
544 | ret = mi_lttng_writer_close_element(writer); |
545 | if (ret) { | |
546 | goto end; | |
547 | } | |
548 | ||
549 | /* Close domain, domains */ | |
550 | ret = mi_lttng_close_multi_element(writer, 2); | |
551 | end: | |
552 | return ret; | |
553 | error: | |
554 | free(cmdline); | |
555 | return ret; | |
556 | } | |
557 | ||
5cdb6027 | 558 | static int list_agent_events(void) |
3c6a091f | 559 | { |
fb14d0d8 | 560 | int i, size, ret = CMD_SUCCESS; |
3c6a091f | 561 | struct lttng_domain domain; |
26c610c9 | 562 | struct lttng_handle *handle = NULL; |
469b972b | 563 | struct lttng_event *event_list = NULL; |
3c6a091f DG |
564 | pid_t cur_pid = 0; |
565 | char *cmdline = NULL; | |
5cdb6027 | 566 | const char *agent_domain_str; |
3c6a091f DG |
567 | |
568 | memset(&domain, 0, sizeof(domain)); | |
5cdb6027 DG |
569 | if (opt_jul) { |
570 | domain.type = LTTNG_DOMAIN_JUL; | |
571 | } else if (opt_log4j) { | |
572 | domain.type = LTTNG_DOMAIN_LOG4J; | |
0e115563 DG |
573 | } else if (opt_python) { |
574 | domain.type = LTTNG_DOMAIN_PYTHON; | |
26c610c9 JG |
575 | } else { |
576 | ERR("Invalid agent domain selected."); | |
577 | ret = CMD_ERROR; | |
578 | goto error; | |
5cdb6027 DG |
579 | } |
580 | ||
581 | agent_domain_str = get_domain_str(domain.type); | |
582 | ||
583 | DBG("Getting %s tracing events", agent_domain_str); | |
3c6a091f DG |
584 | |
585 | handle = lttng_create_handle(NULL, &domain); | |
586 | if (handle == NULL) { | |
fb14d0d8 JR |
587 | ret = CMD_ERROR; |
588 | goto end; | |
3c6a091f DG |
589 | } |
590 | ||
591 | size = lttng_list_tracepoints(handle, &event_list); | |
592 | if (size < 0) { | |
5cdb6027 DG |
593 | ERR("Unable to list %s events: %s", agent_domain_str, |
594 | lttng_strerror(size)); | |
fb14d0d8 JR |
595 | ret = CMD_ERROR; |
596 | goto end; | |
3c6a091f DG |
597 | } |
598 | ||
fb14d0d8 JR |
599 | if (lttng_opt_mi) { |
600 | /* Mi print */ | |
5cdb6027 | 601 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
602 | if (ret) { |
603 | ret = CMD_ERROR; | |
604 | goto error; | |
3c6a091f | 605 | } |
fb14d0d8 JR |
606 | } else { |
607 | /* Pretty print */ | |
5cdb6027 DG |
608 | MSG("%s events (Logger name):\n-------------------------", |
609 | agent_domain_str); | |
3c6a091f | 610 | |
fb14d0d8 JR |
611 | if (size == 0) { |
612 | MSG("None"); | |
613 | } | |
3c6a091f | 614 | |
fb14d0d8 JR |
615 | for (i = 0; i < size; i++) { |
616 | if (cur_pid != event_list[i].pid) { | |
617 | cur_pid = event_list[i].pid; | |
618 | cmdline = get_cmdline_by_pid(cur_pid); | |
619 | if (cmdline == NULL) { | |
620 | ret = CMD_ERROR; | |
621 | goto error; | |
622 | } | |
623 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
624 | free(cmdline); | |
625 | } | |
626 | MSG("%s- %s", indent6, event_list[i].name); | |
627 | } | |
3c6a091f | 628 | |
fb14d0d8 JR |
629 | MSG(""); |
630 | } | |
3c6a091f DG |
631 | |
632 | error: | |
fb14d0d8 JR |
633 | free(event_list); |
634 | end: | |
3c6a091f | 635 | lttng_destroy_handle(handle); |
fb14d0d8 | 636 | return ret; |
3c6a091f DG |
637 | } |
638 | ||
b551a063 DG |
639 | /* |
640 | * Ask session daemon for all user space tracepoints available. | |
641 | */ | |
642 | static int list_ust_events(void) | |
643 | { | |
fb14d0d8 | 644 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
645 | struct lttng_domain domain; |
646 | struct lttng_handle *handle; | |
bec97646 | 647 | struct lttng_event *event_list = NULL; |
b551a063 | 648 | pid_t cur_pid = 0; |
ea5cbc00 | 649 | char *cmdline = NULL; |
b551a063 | 650 | |
441c16a7 MD |
651 | memset(&domain, 0, sizeof(domain)); |
652 | ||
b551a063 DG |
653 | DBG("Getting UST tracing events"); |
654 | ||
655 | domain.type = LTTNG_DOMAIN_UST; | |
656 | ||
657 | handle = lttng_create_handle(NULL, &domain); | |
658 | if (handle == NULL) { | |
fb14d0d8 JR |
659 | ret = CMD_ERROR; |
660 | goto end; | |
b551a063 DG |
661 | } |
662 | ||
663 | size = lttng_list_tracepoints(handle, &event_list); | |
664 | if (size < 0) { | |
60e835ca | 665 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
fb14d0d8 JR |
666 | ret = CMD_ERROR; |
667 | goto error; | |
b551a063 DG |
668 | } |
669 | ||
fb14d0d8 JR |
670 | if (lttng_opt_mi) { |
671 | /* Mi print */ | |
5cdb6027 | 672 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
673 | } else { |
674 | /* Pretty print */ | |
675 | MSG("UST events:\n-------------"); | |
676 | ||
677 | if (size == 0) { | |
678 | MSG("None"); | |
679 | } | |
680 | ||
681 | for (i = 0; i < size; i++) { | |
682 | if (cur_pid != event_list[i].pid) { | |
683 | cur_pid = event_list[i].pid; | |
684 | cmdline = get_cmdline_by_pid(cur_pid); | |
685 | if (cmdline == NULL) { | |
686 | ret = CMD_ERROR; | |
687 | goto error; | |
688 | } | |
689 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
690 | free(cmdline); | |
691 | } | |
692 | print_events(&event_list[i]); | |
693 | } | |
b551a063 | 694 | |
fb14d0d8 | 695 | MSG(""); |
b551a063 DG |
696 | } |
697 | ||
fb14d0d8 JR |
698 | error: |
699 | free(event_list); | |
700 | end: | |
701 | lttng_destroy_handle(handle); | |
702 | return ret; | |
703 | } | |
704 | ||
705 | /* | |
706 | * Machine interface | |
707 | * List all ust event with their fields | |
708 | */ | |
709 | static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count, | |
710 | struct lttng_domain *domain) | |
711 | { | |
712 | int ret, i; | |
713 | pid_t cur_pid = 0; | |
714 | char *cmdline = NULL; | |
715 | int pid_element_open = 0; | |
716 | int event_element_open = 0; | |
717 | struct lttng_event cur_event; | |
718 | ||
d113fbc8 JR |
719 | memset(&cur_event, 0, sizeof(cur_event)); |
720 | ||
fb14d0d8 JR |
721 | /* Open domains element */ |
722 | ret = mi_lttng_domains_open(writer); | |
723 | if (ret) { | |
724 | goto end; | |
725 | } | |
726 | ||
727 | /* Write domain */ | |
728 | ret = mi_lttng_domain(writer, domain, 1); | |
729 | if (ret) { | |
730 | goto end; | |
731 | } | |
732 | ||
bf239d4c JR |
733 | /* Open pids element */ |
734 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
735 | if (ret) { |
736 | goto end; | |
737 | } | |
738 | ||
739 | for (i = 0; i < count; i++) { | |
740 | if (cur_pid != fields[i].event.pid) { | |
741 | if (pid_element_open) { | |
742 | if (event_element_open) { | |
485ca16f | 743 | /* Close the previous field element and event. */ |
fb14d0d8 JR |
744 | ret = mi_lttng_close_multi_element(writer, 2); |
745 | if (ret) { | |
746 | goto end; | |
747 | } | |
748 | event_element_open = 0; | |
749 | } | |
750 | /* Close the previous events, pid element */ | |
751 | ret = mi_lttng_close_multi_element(writer, 2); | |
752 | if (ret) { | |
753 | goto end; | |
754 | } | |
755 | pid_element_open = 0; | |
756 | } | |
757 | ||
758 | cur_pid = fields[i].event.pid; | |
ea5cbc00 | 759 | cmdline = get_cmdline_by_pid(cur_pid); |
fb14d0d8 | 760 | if (!pid_element_open) { |
bf239d4c JR |
761 | /* Open and write a pid element */ |
762 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); | |
fb14d0d8 JR |
763 | if (ret) { |
764 | goto error; | |
765 | } | |
766 | ||
767 | /* Open events element */ | |
768 | ret = mi_lttng_events_open(writer); | |
769 | if (ret) { | |
770 | goto error; | |
771 | } | |
772 | pid_element_open = 1; | |
773 | } | |
ea5cbc00 | 774 | free(cmdline); |
fb14d0d8 JR |
775 | /* Wipe current event since we are about to print a new PID. */ |
776 | memset(&cur_event, 0, sizeof(cur_event)); | |
b551a063 | 777 | } |
b551a063 | 778 | |
fb14d0d8 JR |
779 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
780 | if (event_element_open) { | |
781 | /* Close the previous fields element and the previous event */ | |
782 | ret = mi_lttng_close_multi_element(writer, 2); | |
783 | if (ret) { | |
784 | goto end; | |
785 | } | |
786 | event_element_open = 0; | |
787 | } | |
788 | ||
789 | memcpy(&cur_event, &fields[i].event, | |
790 | sizeof(cur_event)); | |
b551a063 | 791 | |
fb14d0d8 JR |
792 | if (!event_element_open) { |
793 | /* Open and write the event */ | |
970d848b DG |
794 | ret = mi_lttng_event(writer, &cur_event, 1, |
795 | handle->domain.type); | |
fb14d0d8 JR |
796 | if (ret) { |
797 | goto end; | |
798 | } | |
799 | ||
800 | /* Open a fields element */ | |
801 | ret = mi_lttng_event_fields_open(writer); | |
802 | if (ret) { | |
803 | goto end; | |
804 | } | |
805 | event_element_open = 1; | |
806 | } | |
807 | } | |
b551a063 | 808 | |
fb14d0d8 JR |
809 | /* Print the event_field */ |
810 | ret = mi_lttng_event_field(writer, &fields[i]); | |
811 | if (ret) { | |
812 | goto end; | |
813 | } | |
814 | } | |
b551a063 | 815 | |
bf239d4c | 816 | /* Close pid, domain, domains */ |
fb14d0d8 JR |
817 | ret = mi_lttng_close_multi_element(writer, 3); |
818 | end: | |
819 | return ret; | |
b551a063 | 820 | error: |
fb14d0d8 JR |
821 | free(cmdline); |
822 | return ret; | |
b551a063 | 823 | } |
f3ed775e | 824 | |
f37d259d MD |
825 | /* |
826 | * Ask session daemon for all user space tracepoint fields available. | |
827 | */ | |
828 | static int list_ust_event_fields(void) | |
829 | { | |
fb14d0d8 | 830 | int i, size, ret = CMD_SUCCESS; |
f37d259d MD |
831 | struct lttng_domain domain; |
832 | struct lttng_handle *handle; | |
833 | struct lttng_event_field *event_field_list; | |
834 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
835 | char *cmdline = NULL; |
836 | ||
f37d259d MD |
837 | struct lttng_event cur_event; |
838 | ||
839 | memset(&domain, 0, sizeof(domain)); | |
840 | memset(&cur_event, 0, sizeof(cur_event)); | |
841 | ||
842 | DBG("Getting UST tracing event fields"); | |
843 | ||
844 | domain.type = LTTNG_DOMAIN_UST; | |
845 | ||
846 | handle = lttng_create_handle(NULL, &domain); | |
847 | if (handle == NULL) { | |
fb14d0d8 JR |
848 | ret = CMD_ERROR; |
849 | goto end; | |
f37d259d MD |
850 | } |
851 | ||
852 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
853 | if (size < 0) { | |
60e835ca | 854 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
fb14d0d8 JR |
855 | ret = CMD_ERROR; |
856 | goto end; | |
f37d259d MD |
857 | } |
858 | ||
fb14d0d8 JR |
859 | if (lttng_opt_mi) { |
860 | /* Mi print */ | |
861 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); | |
862 | if (ret) { | |
863 | ret = CMD_ERROR; | |
864 | goto error; | |
865 | } | |
866 | } else { | |
867 | /* Pretty print */ | |
868 | MSG("UST events:\n-------------"); | |
f37d259d | 869 | |
fb14d0d8 JR |
870 | if (size == 0) { |
871 | MSG("None"); | |
f37d259d | 872 | } |
fb14d0d8 JR |
873 | |
874 | for (i = 0; i < size; i++) { | |
875 | if (cur_pid != event_field_list[i].event.pid) { | |
876 | cur_pid = event_field_list[i].event.pid; | |
877 | cmdline = get_cmdline_by_pid(cur_pid); | |
878 | if (cmdline == NULL) { | |
879 | ret = CMD_ERROR; | |
880 | goto error; | |
881 | } | |
882 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
883 | free(cmdline); | |
884 | /* Wipe current event since we are about to print a new PID. */ | |
885 | memset(&cur_event, 0, sizeof(cur_event)); | |
886 | } | |
887 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
888 | print_events(&event_field_list[i].event); | |
889 | memcpy(&cur_event, &event_field_list[i].event, | |
890 | sizeof(cur_event)); | |
891 | } | |
892 | print_event_field(&event_field_list[i]); | |
f37d259d | 893 | } |
f37d259d | 894 | |
fb14d0d8 JR |
895 | MSG(""); |
896 | } | |
f37d259d | 897 | |
fb14d0d8 | 898 | error: |
f37d259d | 899 | free(event_field_list); |
fb14d0d8 | 900 | end: |
f37d259d | 901 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
902 | return ret; |
903 | } | |
f37d259d | 904 | |
fb14d0d8 JR |
905 | /* |
906 | * Machine interface | |
907 | * Print a list of kernel events | |
908 | */ | |
909 | static int mi_list_kernel_events(struct lttng_event *events, int count, | |
910 | struct lttng_domain *domain) | |
911 | { | |
912 | int ret, i; | |
f37d259d | 913 | |
fb14d0d8 JR |
914 | /* Open domains element */ |
915 | ret = mi_lttng_domains_open(writer); | |
916 | if (ret) { | |
917 | goto end; | |
918 | } | |
919 | ||
920 | /* Write domain */ | |
921 | ret = mi_lttng_domain(writer, domain, 1); | |
922 | if (ret) { | |
923 | goto end; | |
924 | } | |
925 | ||
926 | /* Open events */ | |
927 | ret = mi_lttng_events_open(writer); | |
928 | if (ret) { | |
929 | goto end; | |
930 | } | |
931 | ||
932 | for (i = 0; i < count; i++) { | |
970d848b | 933 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
934 | if (ret) { |
935 | goto end; | |
936 | } | |
937 | } | |
938 | ||
939 | /* close events, domain and domains */ | |
940 | ret = mi_lttng_close_multi_element(writer, 3); | |
941 | if (ret) { | |
942 | goto end; | |
943 | } | |
944 | ||
945 | end: | |
946 | return ret; | |
f37d259d MD |
947 | } |
948 | ||
f3ed775e | 949 | /* |
fb14d0d8 | 950 | * Ask for all trace events in the kernel |
f3ed775e | 951 | */ |
9f19cc17 | 952 | static int list_kernel_events(void) |
f3ed775e | 953 | { |
fb14d0d8 | 954 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
955 | struct lttng_domain domain; |
956 | struct lttng_handle *handle; | |
9f19cc17 | 957 | struct lttng_event *event_list; |
f3ed775e | 958 | |
441c16a7 MD |
959 | memset(&domain, 0, sizeof(domain)); |
960 | ||
b551a063 DG |
961 | DBG("Getting kernel tracing events"); |
962 | ||
963 | domain.type = LTTNG_DOMAIN_KERNEL; | |
964 | ||
965 | handle = lttng_create_handle(NULL, &domain); | |
966 | if (handle == NULL) { | |
fb14d0d8 | 967 | ret = CMD_ERROR; |
b551a063 DG |
968 | goto error; |
969 | } | |
f3ed775e | 970 | |
cd80958d | 971 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 972 | if (size < 0) { |
60e835ca | 973 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 974 | lttng_destroy_handle(handle); |
fb14d0d8 | 975 | return CMD_ERROR; |
f3ed775e DG |
976 | } |
977 | ||
fb14d0d8 JR |
978 | if (lttng_opt_mi) { |
979 | /* Mi print */ | |
980 | ret = mi_list_kernel_events(event_list, size, &domain); | |
981 | if (ret) { | |
982 | ret = CMD_ERROR; | |
983 | goto end; | |
984 | } | |
985 | } else { | |
986 | MSG("Kernel events:\n-------------"); | |
f3ed775e | 987 | |
fb14d0d8 JR |
988 | for (i = 0; i < size; i++) { |
989 | print_events(&event_list[i]); | |
990 | } | |
f3ed775e | 991 | |
fb14d0d8 JR |
992 | MSG(""); |
993 | } | |
b551a063 | 994 | |
fb14d0d8 | 995 | end: |
f3ed775e DG |
996 | free(event_list); |
997 | ||
ef021732 | 998 | lttng_destroy_handle(handle); |
fb14d0d8 | 999 | return ret; |
b551a063 DG |
1000 | |
1001 | error: | |
ef021732 | 1002 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
1003 | return ret; |
1004 | } | |
1005 | ||
834978fd DG |
1006 | /* |
1007 | * Machine interface | |
1008 | * Print a list of system calls. | |
1009 | */ | |
1010 | static int mi_list_syscalls(struct lttng_event *events, int count) | |
1011 | { | |
1012 | int ret, i; | |
1013 | ||
1014 | /* Open events */ | |
1015 | ret = mi_lttng_events_open(writer); | |
1016 | if (ret) { | |
1017 | goto end; | |
1018 | } | |
1019 | ||
1020 | for (i = 0; i < count; i++) { | |
970d848b | 1021 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
834978fd DG |
1022 | if (ret) { |
1023 | goto end; | |
1024 | } | |
1025 | } | |
1026 | ||
1027 | /* Close events. */ | |
1028 | ret = mi_lttng_writer_close_element(writer); | |
1029 | if (ret) { | |
1030 | goto end; | |
1031 | } | |
1032 | ||
1033 | end: | |
1034 | return ret; | |
1035 | } | |
1036 | ||
1037 | /* | |
1038 | * Ask for kernel system calls. | |
1039 | */ | |
1040 | static int list_syscalls(void) | |
1041 | { | |
1042 | int i, size, ret = CMD_SUCCESS; | |
1043 | struct lttng_event *event_list; | |
1044 | ||
1045 | DBG("Getting kernel system call events"); | |
1046 | ||
1047 | size = lttng_list_syscalls(&event_list); | |
1048 | if (size < 0) { | |
1049 | ERR("Unable to list system calls: %s", lttng_strerror(size)); | |
1050 | ret = CMD_ERROR; | |
1051 | goto error; | |
1052 | } | |
1053 | ||
1054 | if (lttng_opt_mi) { | |
1055 | /* Mi print */ | |
1056 | ret = mi_list_syscalls(event_list, size); | |
1057 | if (ret) { | |
1058 | ret = CMD_ERROR; | |
1059 | goto end; | |
1060 | } | |
1061 | } else { | |
1062 | MSG("System calls:\n-------------"); | |
1063 | ||
1064 | for (i = 0; i < size; i++) { | |
1065 | print_events(&event_list[i]); | |
1066 | } | |
1067 | ||
1068 | MSG(""); | |
1069 | } | |
1070 | ||
1071 | end: | |
1072 | free(event_list); | |
1073 | return ret; | |
1074 | ||
1075 | error: | |
1076 | return ret; | |
1077 | } | |
1078 | ||
fb14d0d8 JR |
1079 | /* |
1080 | * Machine Interface | |
5cdb6027 | 1081 | * Print a list of agent events |
fb14d0d8 | 1082 | */ |
5cdb6027 | 1083 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
fb14d0d8 JR |
1084 | { |
1085 | int ret, i; | |
1086 | ||
1087 | /* Open events element */ | |
1088 | ret = mi_lttng_events_open(writer); | |
1089 | if (ret) { | |
1090 | goto end; | |
1091 | } | |
1092 | ||
1093 | for (i = 0; i < count; i++) { | |
970d848b | 1094 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1095 | if (ret) { |
1096 | goto end; | |
1097 | } | |
1098 | } | |
1099 | ||
1100 | /* Close events element */ | |
1101 | ret = mi_lttng_writer_close_element(writer); | |
1102 | ||
1103 | end: | |
1104 | return ret; | |
f3ed775e DG |
1105 | } |
1106 | ||
3c6a091f | 1107 | /* |
5cdb6027 | 1108 | * List agent events for a specific session using the handle. |
3c6a091f DG |
1109 | * |
1110 | * Return CMD_SUCCESS on success else a negative value. | |
1111 | */ | |
5cdb6027 | 1112 | static int list_session_agent_events(void) |
3c6a091f | 1113 | { |
fb14d0d8 | 1114 | int ret = CMD_SUCCESS, count, i; |
3c6a091f DG |
1115 | struct lttng_event *events = NULL; |
1116 | ||
1117 | count = lttng_list_events(handle, "", &events); | |
1118 | if (count < 0) { | |
fb14d0d8 JR |
1119 | ret = CMD_ERROR; |
1120 | ERR("%s", lttng_strerror(count)); | |
3c6a091f DG |
1121 | goto error; |
1122 | } | |
1123 | ||
fb14d0d8 JR |
1124 | if (lttng_opt_mi) { |
1125 | /* Mi print */ | |
5cdb6027 | 1126 | ret = mi_list_session_agent_events(events, count); |
fb14d0d8 JR |
1127 | if (ret) { |
1128 | ret = CMD_ERROR; | |
1129 | goto end; | |
1130 | } | |
1131 | } else { | |
1132 | /* Pretty print */ | |
1133 | MSG("Events (Logger name):\n---------------------"); | |
1134 | if (count == 0) { | |
1135 | MSG("%sNone\n", indent6); | |
1136 | goto end; | |
1137 | } | |
1138 | ||
1139 | for (i = 0; i < count; i++) { | |
9a890ce8 JG |
1140 | const char *filter_str; |
1141 | char *filter_msg = NULL; | |
1142 | struct lttng_event *event = &events[i]; | |
1143 | ||
134e72ed JG |
1144 | ret = lttng_event_get_filter_expression(event, |
1145 | &filter_str); | |
9a890ce8 JG |
1146 | if (ret) { |
1147 | filter_msg = strdup(" [failed to retrieve filter]"); | |
1148 | } else if (filter_str) { | |
1149 | const char * const filter_fmt = | |
1150 | " [filter: '%s']"; | |
1151 | ||
1152 | filter_msg = malloc(strlen(filter_str) + | |
1153 | strlen(filter_fmt) + 1); | |
1154 | if (filter_msg) { | |
00505bae JG |
1155 | sprintf(filter_msg, filter_fmt, |
1156 | filter_str); | |
9a890ce8 JG |
1157 | } |
1158 | } | |
1159 | ||
1160 | if (event->loglevel_type != | |
755066c2 | 1161 | LTTNG_EVENT_LOGLEVEL_ALL) { |
9a890ce8 JG |
1162 | MSG("%s- %s%s (loglevel%s %s)%s", indent4, |
1163 | event->name, | |
1164 | enabled_string(event->enabled), | |
755066c2 | 1165 | logleveltype_string( |
9a890ce8 | 1166 | event->loglevel_type), |
755066c2 | 1167 | mi_lttng_loglevel_string( |
9a890ce8 JG |
1168 | event->loglevel, |
1169 | handle->domain.type), | |
7b4a95b1 | 1170 | safe_string(filter_msg)); |
755066c2 | 1171 | } else { |
9a890ce8 JG |
1172 | MSG("%s- %s%s%s", indent4, event->name, |
1173 | enabled_string(event->enabled), | |
7b4a95b1 | 1174 | safe_string(filter_msg)); |
755066c2 | 1175 | } |
9a890ce8 | 1176 | free(filter_msg); |
fb14d0d8 JR |
1177 | } |
1178 | ||
1179 | MSG(""); | |
1180 | } | |
1181 | ||
1182 | end: | |
1183 | free(events); | |
1184 | error: | |
1185 | return ret; | |
1186 | } | |
1187 | ||
1188 | /* | |
1189 | * Machine interface | |
1190 | * print a list of event | |
1191 | */ | |
1192 | static int mi_list_events(struct lttng_event *events, int count) | |
1193 | { | |
1194 | int ret, i; | |
1195 | ||
1196 | /* Open events element */ | |
1197 | ret = mi_lttng_events_open(writer); | |
1198 | if (ret) { | |
3c6a091f DG |
1199 | goto end; |
1200 | } | |
1201 | ||
1202 | for (i = 0; i < count; i++) { | |
970d848b | 1203 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1204 | if (ret) { |
1205 | goto end; | |
1206 | } | |
3c6a091f DG |
1207 | } |
1208 | ||
fb14d0d8 JR |
1209 | /* Close events element */ |
1210 | ret = mi_lttng_writer_close_element(writer); | |
3c6a091f DG |
1211 | |
1212 | end: | |
3c6a091f DG |
1213 | return ret; |
1214 | } | |
1215 | ||
f3ed775e | 1216 | /* |
9f19cc17 | 1217 | * List events of channel of session and domain. |
f3ed775e | 1218 | */ |
cd80958d | 1219 | static int list_events(const char *channel_name) |
f3ed775e | 1220 | { |
fb14d0d8 | 1221 | int ret = CMD_SUCCESS, count, i; |
9f19cc17 | 1222 | struct lttng_event *events = NULL; |
f3ed775e | 1223 | |
cd80958d | 1224 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e | 1225 | if (count < 0) { |
fb14d0d8 JR |
1226 | ret = CMD_ERROR; |
1227 | ERR("%s", lttng_strerror(count)); | |
f3ed775e DG |
1228 | goto error; |
1229 | } | |
1230 | ||
fb14d0d8 JR |
1231 | if (lttng_opt_mi) { |
1232 | /* Mi print */ | |
1233 | ret = mi_list_events(events, count); | |
1234 | if (ret) { | |
1235 | ret = CMD_ERROR; | |
1236 | goto end; | |
1237 | } | |
1238 | } else { | |
1239 | /* Pretty print */ | |
f3b3a67b | 1240 | MSG("\n%sEvent rules:", indent4); |
fb14d0d8 JR |
1241 | if (count == 0) { |
1242 | MSG("%sNone\n", indent6); | |
1243 | goto end; | |
1244 | } | |
f3ed775e | 1245 | |
fb14d0d8 JR |
1246 | for (i = 0; i < count; i++) { |
1247 | print_events(&events[i]); | |
1248 | } | |
f3ed775e | 1249 | |
fb14d0d8 JR |
1250 | MSG(""); |
1251 | } | |
9f19cc17 | 1252 | end: |
0e428499 | 1253 | free(events); |
f3ed775e DG |
1254 | error: |
1255 | return ret; | |
1256 | } | |
1257 | ||
f3b3a67b JG |
1258 | static |
1259 | void print_timer(const char *timer_name, uint32_t space_count, int64_t value) | |
1260 | { | |
1261 | uint32_t i; | |
1262 | ||
1263 | _MSG("%s%s:", indent6, timer_name); | |
1264 | for (i = 0; i < space_count; i++) { | |
1265 | _MSG(" "); | |
1266 | } | |
1267 | ||
1268 | if (value) { | |
10945cfa | 1269 | MSG("%" PRId64 " %s", value, USEC_UNIT); |
f3b3a67b JG |
1270 | } else { |
1271 | MSG("inactive"); | |
1272 | } | |
1273 | } | |
1274 | ||
f3ed775e | 1275 | /* |
9f19cc17 DG |
1276 | * Pretty print channel |
1277 | */ | |
1278 | static void print_channel(struct lttng_channel *channel) | |
1279 | { | |
fb83fe64 | 1280 | int ret; |
cf0bcb51 | 1281 | uint64_t discarded_events, lost_packets, monitor_timer_interval; |
491d1539 | 1282 | int64_t blocking_timeout; |
fb83fe64 JD |
1283 | |
1284 | ret = lttng_channel_get_discarded_event_count(channel, | |
1285 | &discarded_events); | |
1286 | if (ret) { | |
1287 | ERR("Failed to retrieve discarded event count of channel"); | |
1288 | return; | |
1289 | } | |
1290 | ||
1291 | ret = lttng_channel_get_lost_packet_count(channel, | |
1292 | &lost_packets); | |
1293 | if (ret) { | |
1294 | ERR("Failed to retrieve lost packet count of channel"); | |
1295 | return; | |
1296 | } | |
1297 | ||
cf0bcb51 JG |
1298 | ret = lttng_channel_get_monitor_timer_interval(channel, |
1299 | &monitor_timer_interval); | |
1300 | if (ret) { | |
1301 | ERR("Failed to retrieve monitor interval of channel"); | |
1302 | return; | |
1303 | } | |
1304 | ||
491d1539 MD |
1305 | ret = lttng_channel_get_blocking_timeout(channel, |
1306 | &blocking_timeout); | |
1307 | if (ret) { | |
1308 | ERR("Failed to retrieve blocking timeout of channel"); | |
1309 | return; | |
1310 | } | |
1311 | ||
464dd62d | 1312 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 | 1313 | MSG("%sAttributes:", indent4); |
f3b3a67b JG |
1314 | MSG("%sEvent-loss mode: %s", indent6, channel->attr.overwrite ? "overwrite" : "discard"); |
1315 | MSG("%sSub-buffer size: %" PRIu64 " bytes", indent6, channel->attr.subbuf_size); | |
1316 | MSG("%sSub-buffer count: %" PRIu64, indent6, channel->attr.num_subbuf); | |
1317 | ||
1318 | print_timer("Switch timer", 5, channel->attr.switch_timer_interval); | |
1319 | print_timer("Read timer", 7, channel->attr.read_timer_interval); | |
1320 | print_timer("Monitor timer", 4, monitor_timer_interval); | |
1321 | ||
1322 | if (!channel->attr.overwrite) { | |
1323 | if (blocking_timeout == -1) { | |
1324 | MSG("%sBlocking timeout: infinite", indent6); | |
1325 | } else { | |
10945cfa JG |
1326 | MSG("%sBlocking timeout: %" PRId64 " %s", indent6, |
1327 | blocking_timeout, USEC_UNIT); | |
f3b3a67b JG |
1328 | } |
1329 | } | |
1330 | ||
1331 | MSG("%sTrace file count: %" PRIu64 " per stream", indent6, | |
1332 | channel->attr.tracefile_count == 0 ? | |
1333 | 1 : channel->attr.tracefile_count); | |
1334 | if (channel->attr.tracefile_size != 0 ) { | |
1335 | MSG("%sTrace file size: %" PRIu64 " bytes", indent6, | |
1336 | channel->attr.tracefile_size); | |
1337 | } else { | |
1338 | MSG("%sTrace file size: %s", indent6, "unlimited"); | |
1339 | } | |
9f19cc17 DG |
1340 | switch (channel->attr.output) { |
1341 | case LTTNG_EVENT_SPLICE: | |
f3b3a67b | 1342 | MSG("%sOutput mode: splice", indent6); |
9f19cc17 DG |
1343 | break; |
1344 | case LTTNG_EVENT_MMAP: | |
f3b3a67b | 1345 | MSG("%sOutput mode: mmap", indent6); |
9f19cc17 DG |
1346 | break; |
1347 | } | |
e50e81d3 | 1348 | |
f3b3a67b JG |
1349 | MSG("\n%sStatistics:", indent4); |
1350 | if (listed_session.snapshot_mode) { | |
e50e81d3 JG |
1351 | /* |
1352 | * The lost packet count is omitted for sessions in snapshot | |
1353 | * mode as it is misleading: it would indicate the number of | |
1354 | * packets that the consumer could not extract during the | |
1355 | * course of recording the snapshot. It does not have the | |
1356 | * same meaning as the "regular" lost packet count that | |
1357 | * would result from the consumer not keeping up with | |
1358 | * event production in an overwrite-mode channel. | |
1359 | * | |
1360 | * A more interesting statistic would be the number of | |
1361 | * packets lost between the first and last extracted | |
1362 | * packets of a given snapshot (which prevents most analyses). | |
1363 | */ | |
f3b3a67b | 1364 | MSG("%sNone", indent6); |
e50e81d3 JG |
1365 | goto skip_stats_printing; |
1366 | } | |
1367 | ||
1368 | if (!channel->attr.overwrite) { | |
f3b3a67b | 1369 | MSG("%sDiscarded events: %" PRIu64, indent6, discarded_events); |
e50e81d3 | 1370 | } else { |
f3b3a67b | 1371 | MSG("%sLost packets: %" PRIu64, indent6, lost_packets); |
e50e81d3 JG |
1372 | } |
1373 | skip_stats_printing: | |
1374 | return; | |
9f19cc17 DG |
1375 | } |
1376 | ||
fb14d0d8 JR |
1377 | /* |
1378 | * Machine interface | |
1379 | * Print a list of channel | |
1380 | * | |
1381 | */ | |
1382 | static int mi_list_channels(struct lttng_channel *channels, int count, | |
1383 | const char *channel_name) | |
1384 | { | |
1385 | int i, ret; | |
1386 | unsigned int chan_found = 0; | |
1387 | ||
1388 | /* Open channels element */ | |
1389 | ret = mi_lttng_channels_open(writer); | |
1390 | if (ret) { | |
1391 | goto error; | |
1392 | } | |
1393 | ||
1394 | for (i = 0; i < count; i++) { | |
1395 | if (channel_name != NULL) { | |
1396 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1397 | chan_found = 1; | |
1398 | } else { | |
1399 | continue; | |
1400 | } | |
1401 | } | |
1402 | ||
1403 | /* Write channel element and leave it open */ | |
1404 | ret = mi_lttng_channel(writer, &channels[i], 1); | |
1405 | if (ret) { | |
1406 | goto error; | |
1407 | } | |
1408 | ||
1409 | /* Listing events per channel */ | |
1410 | ret = list_events(channels[i].name); | |
1411 | if (ret) { | |
1412 | goto error; | |
1413 | } | |
1414 | ||
1415 | /* Closing the channel element we opened earlier */ | |
1416 | ret = mi_lttng_writer_close_element(writer); | |
1417 | if (ret) { | |
1418 | goto error; | |
1419 | } | |
1420 | ||
1421 | if (chan_found) { | |
1422 | break; | |
1423 | } | |
1424 | } | |
1425 | ||
1426 | /* Close channels element */ | |
1427 | ret = mi_lttng_writer_close_element(writer); | |
1428 | if (ret) { | |
1429 | goto error; | |
1430 | } | |
1431 | ||
1432 | error: | |
1433 | return ret; | |
1434 | } | |
1435 | ||
9f19cc17 DG |
1436 | /* |
1437 | * List channel(s) of session and domain. | |
f3ed775e | 1438 | * |
9f19cc17 | 1439 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 1440 | */ |
cd80958d | 1441 | static int list_channels(const char *channel_name) |
f3ed775e | 1442 | { |
9f19cc17 DG |
1443 | int count, i, ret = CMD_SUCCESS; |
1444 | unsigned int chan_found = 0; | |
1445 | struct lttng_channel *channels = NULL; | |
f3ed775e | 1446 | |
3e25cb20 | 1447 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 1448 | |
cd80958d | 1449 | count = lttng_list_channels(handle, &channels); |
f3ed775e | 1450 | if (count < 0) { |
c7d620a2 DG |
1451 | switch (-count) { |
1452 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
fb14d0d8 JR |
1453 | if (lttng_opt_mi) { |
1454 | /* When printing mi this is not an error | |
1455 | * but an empty channels element */ | |
1456 | count = 0; | |
1457 | } else { | |
1458 | ret = CMD_SUCCESS; | |
fb14d0d8 JR |
1459 | goto error_channels; |
1460 | } | |
c7d620a2 DG |
1461 | break; |
1462 | default: | |
1463 | /* We had a real error */ | |
fb14d0d8 JR |
1464 | ret = CMD_ERROR; |
1465 | ERR("%s", lttng_strerror(count)); | |
1466 | goto error_channels; | |
60e835ca | 1467 | break; |
c7d620a2 | 1468 | } |
f3ed775e DG |
1469 | } |
1470 | ||
fb14d0d8 JR |
1471 | if (lttng_opt_mi) { |
1472 | /* Mi print */ | |
1473 | ret = mi_list_channels(channels, count, channel_name); | |
1474 | if (ret) { | |
1475 | ret = CMD_ERROR; | |
1476 | goto error; | |
1477 | } | |
1478 | } else { | |
1479 | /* Pretty print */ | |
ade7ce52 | 1480 | if (count) { |
fb14d0d8 JR |
1481 | MSG("Channels:\n-------------"); |
1482 | } | |
9f19cc17 | 1483 | |
fb14d0d8 JR |
1484 | for (i = 0; i < count; i++) { |
1485 | if (channel_name != NULL) { | |
1486 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1487 | chan_found = 1; | |
1488 | } else { | |
1489 | continue; | |
1490 | } | |
1491 | } | |
1492 | print_channel(&channels[i]); | |
1493 | ||
1494 | /* Listing events per channel */ | |
1495 | ret = list_events(channels[i].name); | |
1496 | if (ret) { | |
1497 | goto error; | |
1498 | } | |
1499 | ||
1500 | if (chan_found) { | |
1501 | break; | |
9f19cc17 DG |
1502 | } |
1503 | } | |
9f19cc17 | 1504 | |
fb14d0d8 JR |
1505 | if (!chan_found && channel_name != NULL) { |
1506 | ret = CMD_ERROR; | |
1507 | ERR("Channel %s not found", channel_name); | |
1508 | goto error; | |
9f19cc17 | 1509 | } |
fb14d0d8 JR |
1510 | } |
1511 | error: | |
1512 | free(channels); | |
9f19cc17 | 1513 | |
fb14d0d8 JR |
1514 | error_channels: |
1515 | return ret; | |
1516 | } | |
1517 | ||
a5dfbb9d MD |
1518 | /* |
1519 | * List tracker PID(s) of session and domain. | |
1520 | */ | |
1521 | static int list_tracker_pids(void) | |
1522 | { | |
ebbf5ab7 JR |
1523 | int ret = 0; |
1524 | int enabled; | |
a5dfbb9d | 1525 | int *pids = NULL; |
6223570f | 1526 | size_t nr_pids; |
a5dfbb9d MD |
1527 | |
1528 | ret = lttng_list_tracker_pids(handle, | |
1529 | &enabled, &pids, &nr_pids); | |
1530 | if (ret) { | |
1531 | return ret; | |
1532 | } | |
a5dfbb9d | 1533 | if (enabled) { |
6223570f JG |
1534 | int i; |
1535 | _MSG("PID tracker: ["); | |
a5dfbb9d | 1536 | |
ebbf5ab7 JR |
1537 | /* Mi tracker_pid element*/ |
1538 | if (writer) { | |
1539 | /* Open tracker_pid and targets elements */ | |
1540 | ret = mi_lttng_pid_tracker_open(writer); | |
1541 | if (ret) { | |
1542 | goto end; | |
1543 | } | |
1544 | } | |
1545 | ||
a5dfbb9d MD |
1546 | for (i = 0; i < nr_pids; i++) { |
1547 | if (i) { | |
1548 | _MSG(","); | |
1549 | } | |
1550 | _MSG(" %d", pids[i]); | |
ebbf5ab7 JR |
1551 | |
1552 | /* Mi */ | |
1553 | if (writer) { | |
1554 | ret = mi_lttng_pid_target(writer, pids[i], 0); | |
1555 | if (ret) { | |
1556 | goto end; | |
1557 | } | |
1558 | } | |
a5dfbb9d | 1559 | } |
6223570f | 1560 | _MSG(" ]\n\n"); |
ebbf5ab7 JR |
1561 | |
1562 | /* Mi close tracker_pid and targets */ | |
1563 | if (writer) { | |
1564 | ret = mi_lttng_close_multi_element(writer,2); | |
1565 | if (ret) { | |
1566 | goto end; | |
1567 | } | |
1568 | } | |
a5dfbb9d | 1569 | } |
ebbf5ab7 | 1570 | end: |
a5dfbb9d | 1571 | free(pids); |
ebbf5ab7 JR |
1572 | return ret; |
1573 | ||
1574 | } | |
1575 | ||
1576 | /* | |
1577 | * List all tracker of a domain | |
1578 | */ | |
1579 | static int list_trackers(void) | |
1580 | { | |
1581 | int ret; | |
1582 | ||
1583 | /* Trackers listing */ | |
1584 | if (lttng_opt_mi) { | |
1585 | ret = mi_lttng_trackers_open(writer); | |
1586 | if (ret) { | |
1587 | goto end; | |
1588 | } | |
1589 | } | |
1590 | ||
1591 | /* pid tracker */ | |
1592 | ret = list_tracker_pids(); | |
1593 | if (ret) { | |
1594 | goto end; | |
1595 | } | |
1596 | ||
1597 | if (lttng_opt_mi) { | |
1598 | /* Close trackers element */ | |
1599 | ret = mi_lttng_writer_close_element(writer); | |
1600 | if (ret) { | |
1601 | goto end; | |
1602 | } | |
1603 | } | |
1604 | ||
1605 | end: | |
1606 | return ret; | |
a5dfbb9d MD |
1607 | } |
1608 | ||
66ea93b1 JG |
1609 | static enum cmd_error_code print_periodic_rotation_schedule( |
1610 | const struct lttng_rotation_schedule *schedule) | |
1611 | { | |
1612 | enum cmd_error_code ret; | |
1613 | enum lttng_rotation_status status; | |
1614 | uint64_t value; | |
1615 | ||
1616 | status = lttng_rotation_schedule_periodic_get_period(schedule, | |
1617 | &value); | |
1618 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1619 | ERR("Failed to retrieve period parameter from periodic rotation schedule."); | |
1620 | ret = CMD_ERROR; | |
1621 | goto end; | |
1622 | } | |
1623 | ||
10945cfa | 1624 | MSG(" timer period: %" PRIu64" %s", value, USEC_UNIT); |
66ea93b1 JG |
1625 | ret = CMD_SUCCESS; |
1626 | end: | |
1627 | return ret; | |
1628 | } | |
1629 | ||
1630 | static enum cmd_error_code print_size_threshold_rotation_schedule( | |
1631 | const struct lttng_rotation_schedule *schedule) | |
1632 | { | |
1633 | enum cmd_error_code ret; | |
1634 | enum lttng_rotation_status status; | |
1635 | uint64_t value; | |
1636 | ||
1637 | status = lttng_rotation_schedule_size_threshold_get_threshold(schedule, | |
1638 | &value); | |
1639 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1640 | ERR("Failed to retrieve size parameter from size-based rotation schedule."); | |
1641 | ret = CMD_ERROR; | |
1642 | goto end; | |
1643 | } | |
1644 | ||
1645 | MSG(" size threshold: %" PRIu64" bytes", value); | |
66ea93b1 JG |
1646 | ret = CMD_SUCCESS; |
1647 | end: | |
1648 | return ret; | |
1649 | } | |
1650 | ||
1651 | static enum cmd_error_code print_rotation_schedule( | |
1652 | const struct lttng_rotation_schedule *schedule) | |
1653 | { | |
1654 | enum cmd_error_code ret; | |
1655 | ||
1656 | switch (lttng_rotation_schedule_get_type(schedule)) { | |
1657 | case LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD: | |
1658 | ret = print_size_threshold_rotation_schedule(schedule); | |
1659 | break; | |
1660 | case LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC: | |
1661 | ret = print_periodic_rotation_schedule(schedule); | |
1662 | break; | |
1663 | default: | |
1664 | ret = CMD_ERROR; | |
1665 | } | |
1666 | return ret; | |
1667 | } | |
1668 | ||
329f3443 | 1669 | /* |
66ea93b1 | 1670 | * List the automatic rotation settings. |
329f3443 | 1671 | */ |
66ea93b1 | 1672 | static enum cmd_error_code list_rotate_settings(const char *session_name) |
329f3443 JD |
1673 | { |
1674 | int ret; | |
66ea93b1 JG |
1675 | enum cmd_error_code cmd_ret = CMD_SUCCESS; |
1676 | unsigned int count, i; | |
1677 | struct lttng_rotation_schedules *schedules = NULL; | |
1678 | enum lttng_rotation_status status; | |
1679 | ||
1680 | ret = lttng_session_list_rotation_schedules(session_name, &schedules); | |
1681 | if (ret != LTTNG_OK) { | |
1682 | ERR("Failed to list session rotation schedules: %s", lttng_strerror(ret)); | |
1683 | cmd_ret = CMD_ERROR; | |
329f3443 JD |
1684 | goto end; |
1685 | } | |
1686 | ||
66ea93b1 JG |
1687 | status = lttng_rotation_schedules_get_count(schedules, &count); |
1688 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1689 | ERR("Failed to retrieve the number of session rotation schedules."); | |
1690 | cmd_ret = CMD_ERROR; | |
329f3443 JD |
1691 | goto end; |
1692 | } | |
1693 | ||
66ea93b1 JG |
1694 | if (count == 0) { |
1695 | cmd_ret = CMD_SUCCESS; | |
329f3443 JD |
1696 | goto end; |
1697 | } | |
1698 | ||
66ea93b1 JG |
1699 | MSG("Automatic rotation schedules:"); |
1700 | if (lttng_opt_mi) { | |
1701 | ret = mi_lttng_writer_open_element(writer, | |
1702 | mi_lttng_element_rotation_schedules); | |
1703 | if (ret) { | |
1704 | cmd_ret = CMD_ERROR; | |
1705 | goto end; | |
329f3443 JD |
1706 | } |
1707 | } | |
66ea93b1 JG |
1708 | |
1709 | for (i = 0; i < count; i++) { | |
1710 | enum cmd_error_code tmp_ret = CMD_SUCCESS; | |
1711 | const struct lttng_rotation_schedule *schedule; | |
1712 | ||
1713 | schedule = lttng_rotation_schedules_get_at_index(schedules, i); | |
1714 | if (!schedule) { | |
1715 | ERR("Failed to retrieve session rotation schedule."); | |
1716 | cmd_ret = CMD_ERROR; | |
1717 | goto end; | |
1718 | } | |
1719 | ||
329f3443 | 1720 | if (lttng_opt_mi) { |
66ea93b1 | 1721 | ret = mi_lttng_rotation_schedule(writer, schedule); |
329f3443 | 1722 | if (ret) { |
66ea93b1 | 1723 | tmp_ret = CMD_ERROR; |
329f3443 | 1724 | } |
66ea93b1 JG |
1725 | } else { |
1726 | tmp_ret = print_rotation_schedule(schedule); | |
329f3443 | 1727 | } |
66ea93b1 JG |
1728 | |
1729 | /* | |
1730 | * Report an error if the serialization of any of the | |
1731 | * descriptors failed. | |
1732 | */ | |
1733 | cmd_ret = cmd_ret ? cmd_ret : tmp_ret; | |
329f3443 | 1734 | } |
329f3443 | 1735 | |
66ea93b1 JG |
1736 | _MSG("\n"); |
1737 | if (lttng_opt_mi) { | |
1738 | /* Close the rotation_schedules element. */ | |
1739 | ret = mi_lttng_writer_close_element(writer); | |
1740 | if (ret) { | |
1741 | cmd_ret = CMD_ERROR; | |
1742 | goto end; | |
1743 | } | |
1744 | } | |
329f3443 | 1745 | end: |
66ea93b1 JG |
1746 | lttng_rotation_schedules_destroy(schedules); |
1747 | return cmd_ret; | |
329f3443 JD |
1748 | } |
1749 | ||
fb14d0d8 JR |
1750 | /* |
1751 | * Machine interface | |
1752 | * Find the session with session_name as name | |
1753 | * and print his informations. | |
1754 | */ | |
1755 | static int mi_list_session(const char *session_name, | |
1756 | struct lttng_session *sessions, int count) | |
1757 | { | |
1758 | int ret, i; | |
1759 | unsigned int session_found = 0; | |
1760 | ||
1761 | if (session_name == NULL) { | |
1762 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1763 | goto end; | |
1764 | } | |
1765 | ||
1766 | for (i = 0; i < count; i++) { | |
1767 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1768 | /* We need to leave it open to append other informations | |
1769 | * like domain, channel, events etc.*/ | |
1770 | session_found = 1; | |
1771 | ret = mi_lttng_session(writer, &sessions[i], 1); | |
1772 | if (ret) { | |
1773 | goto end; | |
1774 | } | |
9f19cc17 | 1775 | break; |
f3ed775e | 1776 | } |
f3ed775e DG |
1777 | } |
1778 | ||
fb14d0d8 JR |
1779 | if (!session_found) { |
1780 | ERR("Session '%s' not found", session_name); | |
1781 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1782 | goto end; | |
9f19cc17 | 1783 | } |
f3ed775e | 1784 | |
fb14d0d8 JR |
1785 | end: |
1786 | return ret; | |
1787 | } | |
f3ed775e | 1788 | |
fb14d0d8 JR |
1789 | /* |
1790 | * Machine interface | |
1791 | * List all availables session | |
1792 | */ | |
1793 | static int mi_list_sessions(struct lttng_session *sessions, int count) | |
1794 | { | |
1795 | int ret, i; | |
ae856491 | 1796 | |
fb14d0d8 JR |
1797 | /* Opening sessions element */ |
1798 | ret = mi_lttng_sessions_open(writer); | |
1799 | if (ret) { | |
1800 | goto end; | |
1801 | } | |
1802 | ||
1803 | /* Listing sessions */ | |
1804 | for (i = 0; i < count; i++) { | |
1805 | ret = mi_lttng_session(writer, &sessions[i], 0); | |
1806 | if (ret) { | |
1807 | goto end; | |
1808 | } | |
1809 | } | |
1810 | ||
1811 | /* Closing sessions element */ | |
1812 | ret = mi_lttng_writer_close_element(writer); | |
1813 | if (ret) { | |
1814 | goto end; | |
1815 | } | |
1816 | ||
1817 | end: | |
f3ed775e DG |
1818 | return ret; |
1819 | } | |
1820 | ||
1821 | /* | |
9f19cc17 | 1822 | * List available tracing session. List only basic information. |
f3ed775e | 1823 | * |
9f19cc17 | 1824 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 1825 | */ |
9f19cc17 | 1826 | static int list_sessions(const char *session_name) |
f3ed775e | 1827 | { |
fb14d0d8 JR |
1828 | int ret = CMD_SUCCESS; |
1829 | int count, i; | |
9f19cc17 | 1830 | unsigned int session_found = 0; |
664537ba | 1831 | struct lttng_session *sessions = NULL; |
9f19cc17 DG |
1832 | |
1833 | count = lttng_list_sessions(&sessions); | |
1834 | DBG("Session count %d", count); | |
1835 | if (count < 0) { | |
fb14d0d8 JR |
1836 | ret = CMD_ERROR; |
1837 | ERR("%s", lttng_strerror(count)); | |
d32fb093 | 1838 | goto end; |
9f19cc17 DG |
1839 | } |
1840 | ||
fb14d0d8 JR |
1841 | if (lttng_opt_mi) { |
1842 | /* Mi */ | |
1843 | if (session_name == NULL) { | |
664537ba | 1844 | /* List all sessions */ |
fb14d0d8 JR |
1845 | ret = mi_list_sessions(sessions, count); |
1846 | } else { | |
1847 | /* Note : this return an open session element */ | |
1848 | ret = mi_list_session(session_name, sessions, count); | |
1849 | } | |
1850 | if (ret) { | |
1851 | ret = CMD_ERROR; | |
664537ba | 1852 | goto end; |
fb14d0d8 JR |
1853 | } |
1854 | } else { | |
1855 | /* Pretty print */ | |
1856 | if (count == 0) { | |
1857 | MSG("Currently no available tracing session"); | |
fb14d0d8 JR |
1858 | goto end; |
1859 | } | |
9f19cc17 | 1860 | |
fb14d0d8 JR |
1861 | if (session_name == NULL) { |
1862 | MSG("Available tracing sessions:"); | |
1863 | } | |
1864 | ||
fb14d0d8 JR |
1865 | for (i = 0; i < count; i++) { |
1866 | if (session_name != NULL) { | |
1867 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1868 | session_found = 1; | |
1869 | MSG("Tracing session %s: [%s%s]", session_name, | |
1870 | active_string(sessions[i].enabled), | |
1871 | snapshot_string(sessions[i].snapshot_mode)); | |
28a20cd3 JG |
1872 | if (*sessions[i].path) { |
1873 | MSG("%sTrace output: %s\n", indent4, sessions[i].path); | |
1874 | } | |
e50e81d3 JG |
1875 | memcpy(&listed_session, &sessions[i], |
1876 | sizeof(listed_session)); | |
fb14d0d8 JR |
1877 | break; |
1878 | } | |
1879 | } else { | |
28a20cd3 JG |
1880 | MSG(" %d) %s [%s%s]", i + 1, |
1881 | sessions[i].name, | |
2cbf8fed DG |
1882 | active_string(sessions[i].enabled), |
1883 | snapshot_string(sessions[i].snapshot_mode)); | |
28a20cd3 JG |
1884 | if (*sessions[i].path) { |
1885 | MSG("%sTrace output: %s", indent4, sessions[i].path); | |
1886 | } | |
fcbc96a2 | 1887 | if (sessions[i].live_timer_interval != 0) { |
28a20cd3 JG |
1888 | MSG("%sLive timer interval: %u %s", indent4, |
1889 | sessions[i].live_timer_interval, | |
1890 | USEC_UNIT); | |
fcbc96a2 JG |
1891 | } |
1892 | MSG(""); | |
9f19cc17 | 1893 | } |
fb14d0d8 JR |
1894 | } |
1895 | ||
1896 | if (!session_found && session_name != NULL) { | |
1897 | ERR("Session '%s' not found", session_name); | |
1898 | ret = CMD_ERROR; | |
664537ba | 1899 | goto end; |
fb14d0d8 JR |
1900 | } |
1901 | ||
1902 | if (session_name == NULL) { | |
1903 | MSG("\nUse lttng list <session_name> for more details"); | |
9f19cc17 DG |
1904 | } |
1905 | } | |
1906 | ||
fb14d0d8 | 1907 | end: |
664537ba | 1908 | free(sessions); |
fb14d0d8 JR |
1909 | return ret; |
1910 | } | |
9f19cc17 | 1911 | |
fb14d0d8 JR |
1912 | |
1913 | /* | |
1914 | * Machine Interface | |
1915 | * list available domain(s) for a session. | |
1916 | */ | |
1917 | static int mi_list_domains(struct lttng_domain *domains, int count) | |
1918 | { | |
1919 | int i, ret; | |
1920 | /* Open domains element */ | |
1921 | ret = mi_lttng_domains_open(writer); | |
1922 | if (ret) { | |
1923 | goto end; | |
9f19cc17 DG |
1924 | } |
1925 | ||
fb14d0d8 JR |
1926 | for (i = 0; i < count; i++) { |
1927 | ret = mi_lttng_domain(writer, &domains[i] , 0); | |
1928 | if (ret) { | |
1929 | goto end; | |
1930 | } | |
9f19cc17 | 1931 | } |
f3ed775e | 1932 | |
fb14d0d8 JR |
1933 | /* Closing domains element */ |
1934 | ret = mi_lttng_writer_close_element(writer); | |
1935 | if (ret) { | |
1936 | goto end; | |
1937 | } | |
d32fb093 | 1938 | end: |
f3ed775e DG |
1939 | return ret; |
1940 | } | |
f3ed775e DG |
1941 | |
1942 | /* | |
9f19cc17 | 1943 | * List available domain(s) for a session. |
f3ed775e | 1944 | */ |
330be774 | 1945 | static int list_domains(const char *session_name) |
f3ed775e | 1946 | { |
9f19cc17 DG |
1947 | int i, count, ret = CMD_SUCCESS; |
1948 | struct lttng_domain *domains = NULL; | |
1949 | ||
9f19cc17 | 1950 | |
330be774 | 1951 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 | 1952 | if (count < 0) { |
fb14d0d8 JR |
1953 | ret = CMD_ERROR; |
1954 | ERR("%s", lttng_strerror(count)); | |
9f19cc17 DG |
1955 | goto end; |
1956 | } | |
1957 | ||
fb14d0d8 JR |
1958 | if (lttng_opt_mi) { |
1959 | /* Mi output */ | |
1960 | ret = mi_list_domains(domains, count); | |
1961 | if (ret) { | |
1962 | ret = CMD_ERROR; | |
1963 | goto error; | |
1964 | } | |
1965 | } else { | |
1966 | /* Pretty print */ | |
1967 | MSG("Domains:\n-------------"); | |
1968 | if (count == 0) { | |
1969 | MSG(" None"); | |
1970 | goto end; | |
1971 | } | |
1972 | ||
1973 | for (i = 0; i < count; i++) { | |
1974 | switch (domains[i].type) { | |
1975 | case LTTNG_DOMAIN_KERNEL: | |
1976 | MSG(" - Kernel"); | |
1977 | break; | |
1978 | case LTTNG_DOMAIN_UST: | |
1979 | MSG(" - UST global"); | |
1980 | break; | |
1981 | case LTTNG_DOMAIN_JUL: | |
1982 | MSG(" - JUL (Java Util Logging)"); | |
1983 | break; | |
5cdb6027 DG |
1984 | case LTTNG_DOMAIN_LOG4J: |
1985 | MSG(" - LOG4j (Logging for Java)"); | |
1986 | break; | |
0e115563 DG |
1987 | case LTTNG_DOMAIN_PYTHON: |
1988 | MSG(" - Python (logging)"); | |
1989 | break; | |
fb14d0d8 JR |
1990 | default: |
1991 | break; | |
1992 | } | |
9f19cc17 DG |
1993 | } |
1994 | } | |
1995 | ||
fb14d0d8 | 1996 | error: |
9f19cc17 DG |
1997 | free(domains); |
1998 | ||
fb14d0d8 | 1999 | end: |
9f19cc17 | 2000 | return ret; |
f3ed775e | 2001 | } |
f3ed775e DG |
2002 | |
2003 | /* | |
9f19cc17 | 2004 | * The 'list <options>' first level command |
f3ed775e DG |
2005 | */ |
2006 | int cmd_list(int argc, const char **argv) | |
2007 | { | |
c617c0c6 | 2008 | int opt, ret = CMD_SUCCESS; |
68c7f6e5 | 2009 | const char *session_name, *leftover = NULL; |
f3ed775e | 2010 | static poptContext pc; |
9f19cc17 DG |
2011 | struct lttng_domain domain; |
2012 | struct lttng_domain *domains = NULL; | |
f3ed775e | 2013 | |
441c16a7 MD |
2014 | memset(&domain, 0, sizeof(domain)); |
2015 | ||
9f19cc17 | 2016 | if (argc < 1) { |
ca1c3607 | 2017 | ret = CMD_ERROR; |
f3ed775e DG |
2018 | goto end; |
2019 | } | |
2020 | ||
2021 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
2022 | poptReadDefaultConfig(pc, 0); | |
2023 | ||
2024 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
2025 | switch (opt) { | |
2026 | case OPT_HELP: | |
4ba92f18 | 2027 | SHOW_HELP(); |
f3ed775e | 2028 | goto end; |
eeac7d46 MD |
2029 | case OPT_USERSPACE: |
2030 | opt_userspace = 1; | |
eeac7d46 | 2031 | break; |
679b4943 SM |
2032 | case OPT_LIST_OPTIONS: |
2033 | list_cmd_options(stdout, long_options); | |
679b4943 | 2034 | goto end; |
f3ed775e | 2035 | default: |
f3ed775e DG |
2036 | ret = CMD_UNDEFINED; |
2037 | goto end; | |
2038 | } | |
2039 | } | |
2040 | ||
fb14d0d8 JR |
2041 | /* Mi check */ |
2042 | if (lttng_opt_mi) { | |
2043 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
2044 | if (!writer) { | |
2045 | ret = CMD_ERROR; | |
2046 | goto end; | |
2047 | } | |
2048 | ||
2049 | /* Open command element */ | |
2050 | ret = mi_lttng_writer_command_open(writer, | |
2051 | mi_lttng_element_command_list); | |
2052 | if (ret) { | |
2053 | ret = CMD_ERROR; | |
2054 | goto end; | |
2055 | } | |
2056 | ||
2057 | /* Open output element */ | |
2058 | ret = mi_lttng_writer_open_element(writer, | |
2059 | mi_lttng_element_command_output); | |
2060 | if (ret) { | |
2061 | ret = CMD_ERROR; | |
2062 | goto end; | |
2063 | } | |
2064 | } | |
2065 | ||
9f19cc17 DG |
2066 | /* Get session name (trailing argument) */ |
2067 | session_name = poptGetArg(pc); | |
b551a063 | 2068 | DBG2("Session name: %s", session_name); |
9f19cc17 | 2069 | |
68c7f6e5 JD |
2070 | leftover = poptGetArg(pc); |
2071 | if (leftover) { | |
2072 | ERR("Unknown argument: %s", leftover); | |
2073 | ret = CMD_ERROR; | |
2074 | goto end; | |
2075 | } | |
2076 | ||
cd80958d DG |
2077 | if (opt_kernel) { |
2078 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
2079 | } else if (opt_userspace) { |
2080 | DBG2("Listing userspace global domain"); | |
2081 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
2082 | } else if (opt_jul) { |
2083 | DBG2("Listing JUL domain"); | |
2084 | domain.type = LTTNG_DOMAIN_JUL; | |
edf60534 | 2085 | } else if (opt_log4j) { |
5cdb6027 | 2086 | domain.type = LTTNG_DOMAIN_LOG4J; |
0e115563 DG |
2087 | } else if (opt_python) { |
2088 | domain.type = LTTNG_DOMAIN_PYTHON; | |
cd80958d DG |
2089 | } |
2090 | ||
834978fd DG |
2091 | if (!opt_kernel && opt_syscall) { |
2092 | WARN("--syscall will only work with the Kernel domain (-k)"); | |
2093 | ret = CMD_ERROR; | |
2094 | goto end; | |
2095 | } | |
2096 | ||
0e115563 | 2097 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_python) { |
aa5de748 MD |
2098 | handle = lttng_create_handle(session_name, &domain); |
2099 | if (handle == NULL) { | |
2100 | ret = CMD_FATAL; | |
2101 | goto end; | |
2102 | } | |
cd80958d DG |
2103 | } |
2104 | ||
9f19cc17 | 2105 | if (session_name == NULL) { |
0e115563 DG |
2106 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j |
2107 | && !opt_python) { | |
b551a063 | 2108 | ret = list_sessions(NULL); |
fb14d0d8 | 2109 | if (ret) { |
b551a063 DG |
2110 | goto end; |
2111 | } | |
2112 | } | |
9f19cc17 | 2113 | if (opt_kernel) { |
834978fd DG |
2114 | if (opt_syscall) { |
2115 | ret = list_syscalls(); | |
2116 | if (ret) { | |
2117 | goto end; | |
2118 | } | |
2119 | } else { | |
2120 | ret = list_kernel_events(); | |
2121 | if (ret) { | |
2122 | goto end; | |
2123 | } | |
9f19cc17 | 2124 | } |
b551a063 DG |
2125 | } |
2126 | if (opt_userspace) { | |
f37d259d MD |
2127 | if (opt_fields) { |
2128 | ret = list_ust_event_fields(); | |
2129 | } else { | |
2130 | ret = list_ust_events(); | |
2131 | } | |
fb14d0d8 | 2132 | if (ret) { |
9f19cc17 DG |
2133 | goto end; |
2134 | } | |
2135 | } | |
0e115563 | 2136 | if (opt_jul || opt_log4j || opt_python) { |
5cdb6027 | 2137 | ret = list_agent_events(); |
fb14d0d8 | 2138 | if (ret) { |
3c6a091f DG |
2139 | goto end; |
2140 | } | |
2141 | } | |
9f19cc17 DG |
2142 | } else { |
2143 | /* List session attributes */ | |
fb14d0d8 JR |
2144 | if (lttng_opt_mi) { |
2145 | /* Open element sessions | |
2146 | * Present for xml consistency */ | |
2147 | ret = mi_lttng_sessions_open(writer); | |
2148 | if (ret) { | |
2149 | goto end; | |
2150 | } | |
2151 | } | |
2152 | /* MI: the ouptut of list_sessions is an unclosed session element */ | |
9f19cc17 | 2153 | ret = list_sessions(session_name); |
fb14d0d8 | 2154 | if (ret) { |
9f19cc17 DG |
2155 | goto end; |
2156 | } | |
2157 | ||
329f3443 JD |
2158 | ret = list_rotate_settings(session_name); |
2159 | if (ret) { | |
2160 | goto end; | |
2161 | } | |
2162 | ||
9f19cc17 DG |
2163 | /* Domain listing */ |
2164 | if (opt_domain) { | |
330be774 | 2165 | ret = list_domains(session_name); |
9f19cc17 DG |
2166 | goto end; |
2167 | } | |
2168 | ||
fb14d0d8 | 2169 | /* Channel listing */ |
1c3de747 | 2170 | if (opt_kernel || opt_userspace) { |
fb14d0d8 JR |
2171 | if (lttng_opt_mi) { |
2172 | /* Add of domains and domain element for xml | |
2173 | * consistency and validation | |
2174 | */ | |
2175 | ret = mi_lttng_domains_open(writer); | |
2176 | if (ret) { | |
2177 | goto end; | |
2178 | } | |
2179 | ||
2180 | /* Open domain and leave it open for | |
2181 | * nested channels printing */ | |
2182 | ret = mi_lttng_domain(writer, &domain, 1); | |
2183 | if (ret) { | |
2184 | goto end; | |
2185 | } | |
2186 | ||
2187 | } | |
2188 | ||
ebbf5ab7 JR |
2189 | |
2190 | /* Trackers */ | |
2191 | ret = list_trackers(); | |
a5dfbb9d MD |
2192 | if (ret) { |
2193 | goto end; | |
2194 | } | |
2195 | ||
ebbf5ab7 | 2196 | /* Channels */ |
cd80958d | 2197 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
2198 | if (ret) { |
2199 | goto end; | |
2200 | } | |
2201 | ||
2202 | if (lttng_opt_mi) { | |
2203 | /* Close domain and domain element */ | |
2204 | ret = mi_lttng_close_multi_element(writer, 2); | |
2205 | } | |
2206 | if (ret) { | |
9f19cc17 DG |
2207 | goto end; |
2208 | } | |
fb14d0d8 JR |
2209 | |
2210 | ||
9f19cc17 | 2211 | } else { |
c617c0c6 MD |
2212 | int i, nb_domain; |
2213 | ||
9f19cc17 | 2214 | /* We want all domain(s) */ |
330be774 | 2215 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 2216 | if (nb_domain < 0) { |
fb14d0d8 JR |
2217 | ret = CMD_ERROR; |
2218 | ERR("%s", lttng_strerror(nb_domain)); | |
9f19cc17 DG |
2219 | goto end; |
2220 | } | |
2221 | ||
fb14d0d8 JR |
2222 | if (lttng_opt_mi) { |
2223 | ret = mi_lttng_domains_open(writer); | |
2224 | if (ret) { | |
2225 | ret = CMD_ERROR; | |
2226 | goto end; | |
2227 | } | |
2228 | } | |
2229 | ||
b551a063 | 2230 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
2231 | switch (domains[i].type) { |
2232 | case LTTNG_DOMAIN_KERNEL: | |
2233 | MSG("=== Domain: Kernel ===\n"); | |
2234 | break; | |
b551a063 DG |
2235 | case LTTNG_DOMAIN_UST: |
2236 | MSG("=== Domain: UST global ===\n"); | |
88c5f0d8 DG |
2237 | MSG("Buffer type: %s\n", |
2238 | domains[i].buf_type == | |
2239 | LTTNG_BUFFER_PER_PID ? "per PID" : "per UID"); | |
b551a063 | 2240 | break; |
3c6a091f DG |
2241 | case LTTNG_DOMAIN_JUL: |
2242 | MSG("=== Domain: JUL (Java Util Logging) ===\n"); | |
2243 | break; | |
5cdb6027 DG |
2244 | case LTTNG_DOMAIN_LOG4J: |
2245 | MSG("=== Domain: LOG4j (Logging for Java) ===\n"); | |
2246 | break; | |
0e115563 DG |
2247 | case LTTNG_DOMAIN_PYTHON: |
2248 | MSG("=== Domain: Python (logging) ===\n"); | |
2249 | break; | |
9f19cc17 DG |
2250 | default: |
2251 | MSG("=== Domain: Unimplemented ===\n"); | |
2252 | break; | |
2253 | } | |
2254 | ||
fb14d0d8 JR |
2255 | if (lttng_opt_mi) { |
2256 | ret = mi_lttng_domain(writer, &domains[i], 1); | |
2257 | if (ret) { | |
2258 | ret = CMD_ERROR; | |
2259 | goto end; | |
2260 | } | |
2261 | } | |
2262 | ||
cd80958d | 2263 | /* Clean handle before creating a new one */ |
aa5de748 MD |
2264 | if (handle) { |
2265 | lttng_destroy_handle(handle); | |
2266 | } | |
cd80958d DG |
2267 | |
2268 | handle = lttng_create_handle(session_name, &domains[i]); | |
2269 | if (handle == NULL) { | |
ca1c3607 | 2270 | ret = CMD_FATAL; |
cd80958d DG |
2271 | goto end; |
2272 | } | |
2273 | ||
5cdb6027 | 2274 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
0e115563 DG |
2275 | domains[i].type == LTTNG_DOMAIN_LOG4J || |
2276 | domains[i].type == LTTNG_DOMAIN_PYTHON) { | |
5cdb6027 | 2277 | ret = list_session_agent_events(); |
fb14d0d8 | 2278 | if (ret) { |
3c6a091f DG |
2279 | goto end; |
2280 | } | |
cd7b2927 PP |
2281 | |
2282 | goto next_domain; | |
3c6a091f | 2283 | } |
a5dfbb9d MD |
2284 | |
2285 | switch (domains[i].type) { | |
2286 | case LTTNG_DOMAIN_KERNEL: | |
2287 | case LTTNG_DOMAIN_UST: | |
ebbf5ab7 | 2288 | ret = list_trackers(); |
a5dfbb9d MD |
2289 | if (ret) { |
2290 | goto end; | |
2291 | } | |
2292 | break; | |
2293 | default: | |
2294 | break; | |
2295 | } | |
3c6a091f | 2296 | |
cd80958d | 2297 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
2298 | if (ret) { |
2299 | goto end; | |
2300 | } | |
2301 | ||
cd7b2927 | 2302 | next_domain: |
fb14d0d8 JR |
2303 | if (lttng_opt_mi) { |
2304 | /* Close domain element */ | |
2305 | ret = mi_lttng_writer_close_element(writer); | |
2306 | if (ret) { | |
2307 | ret = CMD_ERROR; | |
2308 | goto end; | |
2309 | } | |
2310 | } | |
2311 | ||
2312 | } | |
2313 | if (lttng_opt_mi) { | |
2314 | /* Close the domains, session and sessions element */ | |
2315 | ret = mi_lttng_close_multi_element(writer, 3); | |
2316 | if (ret) { | |
2317 | ret = CMD_ERROR; | |
9f19cc17 DG |
2318 | goto end; |
2319 | } | |
2320 | } | |
2321 | } | |
f3ed775e DG |
2322 | } |
2323 | ||
fb14d0d8 JR |
2324 | /* Mi closing */ |
2325 | if (lttng_opt_mi) { | |
2326 | /* Close output element */ | |
2327 | ret = mi_lttng_writer_close_element(writer); | |
2328 | if (ret) { | |
2329 | ret = CMD_ERROR; | |
2330 | goto end; | |
2331 | } | |
2332 | ||
2333 | /* Command element close */ | |
2334 | ret = mi_lttng_writer_command_close(writer); | |
2335 | if (ret) { | |
2336 | ret = CMD_ERROR; | |
2337 | goto end; | |
2338 | } | |
2339 | } | |
f3ed775e | 2340 | end: |
fb14d0d8 JR |
2341 | /* Mi clean-up */ |
2342 | if (writer && mi_lttng_writer_destroy(writer)) { | |
2343 | /* Preserve original error code */ | |
2344 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
2345 | } | |
2346 | ||
0e428499 | 2347 | free(domains); |
aa5de748 MD |
2348 | if (handle) { |
2349 | lttng_destroy_handle(handle); | |
2350 | } | |
cd80958d | 2351 | |
ca1c3607 | 2352 | poptFreeContext(pc); |
f3ed775e DG |
2353 | return ret; |
2354 | } |