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> |
5b89fc92 | 27 | #include <common/time.h> |
fae9a062 | 28 | #include <lttng/constant.h> |
2d97a006 | 29 | #include <lttng/tracker.h> |
fb14d0d8 | 30 | |
c399183f | 31 | #include "../command.h" |
f3ed775e | 32 | |
9f19cc17 DG |
33 | static int opt_userspace; |
34 | static int opt_kernel; | |
3c6a091f | 35 | static int opt_jul; |
5cdb6027 | 36 | static int opt_log4j; |
0e115563 | 37 | static int opt_python; |
9f19cc17 DG |
38 | static char *opt_channel; |
39 | static int opt_domain; | |
f37d259d | 40 | static int opt_fields; |
834978fd | 41 | static int opt_syscall; |
9f19cc17 DG |
42 | |
43 | const char *indent4 = " "; | |
44 | const char *indent6 = " "; | |
45 | const char *indent8 = " "; | |
f3ed775e | 46 | |
4fc83d94 PP |
47 | #ifdef LTTNG_EMBED_HELP |
48 | static const char help_msg[] = | |
49 | #include <lttng-list.1.h> | |
50 | ; | |
51 | #endif | |
52 | ||
f3ed775e DG |
53 | enum { |
54 | OPT_HELP = 1, | |
eeac7d46 | 55 | OPT_USERSPACE, |
679b4943 | 56 | OPT_LIST_OPTIONS, |
f3ed775e DG |
57 | }; |
58 | ||
cd80958d | 59 | static struct lttng_handle *handle; |
fb14d0d8 | 60 | static struct mi_writer *writer; |
cd80958d | 61 | |
e50e81d3 JG |
62 | /* Only set when listing a single session. */ |
63 | static struct lttng_session listed_session; | |
64 | ||
f3ed775e DG |
65 | static struct poptOption long_options[] = { |
66 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
2fa605f7 JG |
67 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, |
68 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, | |
69 | {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0}, | |
70 | {"log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0}, | |
71 | {"python", 'p', POPT_ARG_VAL, &opt_python, 1, 0, 0}, | |
72 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, | |
73 | {"channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0}, | |
74 | {"domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0}, | |
75 | {"fields", 'f', POPT_ARG_VAL, &opt_fields, 1, 0, 0}, | |
76 | {"syscall", 'S', POPT_ARG_VAL, &opt_syscall, 1, 0, 0}, | |
679b4943 | 77 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
f3ed775e DG |
78 | {0, 0, 0, 0, 0, 0, 0} |
79 | }; | |
80 | ||
f3ed775e | 81 | /* |
9f19cc17 | 82 | * Get command line from /proc for a specific pid. |
f3ed775e | 83 | * |
9f19cc17 DG |
84 | * On success, return an allocated string pointer to the proc cmdline. |
85 | * On error, return NULL. | |
f3ed775e DG |
86 | */ |
87 | static char *get_cmdline_by_pid(pid_t pid) | |
88 | { | |
89 | int ret; | |
1ad31aec | 90 | FILE *fp = NULL; |
f3ed775e | 91 | char *cmdline = NULL; |
fae9a062 JG |
92 | /* Can't go bigger than /proc/LTTNG_MAX_PID/cmdline */ |
93 | char path[sizeof("/proc//cmdline") + sizeof(LTTNG_MAX_PID_STR) - 1]; | |
f3ed775e DG |
94 | |
95 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); | |
96 | fp = fopen(path, "r"); | |
97 | if (fp == NULL) { | |
98 | goto end; | |
99 | } | |
100 | ||
101 | /* Caller must free() *cmdline */ | |
63a2c1bd | 102 | cmdline = zmalloc(PATH_MAX); |
f6962219 | 103 | if (!cmdline) { |
6f04ed72 | 104 | PERROR("malloc cmdline"); |
f6962219 JG |
105 | goto end; |
106 | } | |
f3ed775e | 107 | ret = fread(cmdline, 1, PATH_MAX, fp); |
f40799e8 | 108 | if (ret < 0) { |
6f04ed72 | 109 | PERROR("fread proc list"); |
f40799e8 | 110 | } |
f3ed775e DG |
111 | |
112 | end: | |
1ad31aec DG |
113 | if (fp) { |
114 | fclose(fp); | |
115 | } | |
f3ed775e DG |
116 | return cmdline; |
117 | } | |
b551a063 | 118 | |
464dd62d MD |
119 | static |
120 | const char *active_string(int value) | |
121 | { | |
122 | switch (value) { | |
2cbf8fed DG |
123 | case 0: return "inactive"; |
124 | case 1: return "active"; | |
464dd62d MD |
125 | case -1: return ""; |
126 | default: return NULL; | |
127 | } | |
128 | } | |
129 | ||
2cbf8fed DG |
130 | static const char *snapshot_string(int value) |
131 | { | |
132 | switch (value) { | |
133 | case 1: | |
134 | return " snapshot"; | |
135 | default: | |
136 | return ""; | |
137 | } | |
138 | } | |
139 | ||
464dd62d MD |
140 | static |
141 | const char *enabled_string(int value) | |
142 | { | |
143 | switch (value) { | |
b09f0429 MD |
144 | case 0: return " [disabled]"; |
145 | case 1: return " [enabled]"; | |
464dd62d MD |
146 | case -1: return ""; |
147 | default: return NULL; | |
148 | } | |
149 | } | |
150 | ||
fceb65df | 151 | static |
7b4a95b1 | 152 | const char *safe_string(const char *str) |
fceb65df | 153 | { |
7b4a95b1 | 154 | return str ? str : ""; |
4634f12e JI |
155 | } |
156 | ||
1f0e17de DG |
157 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
158 | { | |
159 | switch (value) { | |
af6bce80 DG |
160 | case LTTNG_EVENT_LOGLEVEL_ALL: |
161 | return ":"; | |
1f0e17de | 162 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
af6bce80 | 163 | return " <="; |
1f0e17de | 164 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
af6bce80 | 165 | return " =="; |
1f0e17de | 166 | default: |
af6bce80 | 167 | return " <<TYPE UNKN>>"; |
1f0e17de DG |
168 | } |
169 | } | |
170 | ||
834978fd DG |
171 | static const char *bitness_event(enum lttng_event_flag flags) |
172 | { | |
173 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_32) { | |
174 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
175 | return " [32/64-bit]"; | |
176 | } else { | |
177 | return " [32-bit]"; | |
178 | } | |
179 | } else if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
180 | return " [64-bit]"; | |
181 | } else { | |
182 | return ""; | |
183 | } | |
184 | } | |
185 | ||
7b4a95b1 PP |
186 | /* |
187 | * Get exclusion names message for a single event. | |
188 | * | |
189 | * Returned pointer must be freed by caller. Returns NULL on error. | |
190 | */ | |
191 | static char *get_exclusion_names_msg(struct lttng_event *event) | |
192 | { | |
193 | int ret; | |
194 | int exclusion_count; | |
195 | char *exclusion_msg = NULL; | |
196 | char *at; | |
7b4a95b1 PP |
197 | size_t i; |
198 | const char * const exclusion_fmt = " [exclusions: "; | |
19ed7632 | 199 | const size_t exclusion_fmt_len = strlen(exclusion_fmt); |
7b4a95b1 PP |
200 | |
201 | exclusion_count = lttng_event_get_exclusion_name_count(event); | |
202 | if (exclusion_count < 0) { | |
203 | goto end; | |
204 | } else if (exclusion_count == 0) { | |
205 | /* | |
206 | * No exclusions: return copy of empty string so that | |
207 | * it can be freed by caller. | |
208 | */ | |
209 | exclusion_msg = strdup(""); | |
210 | goto end; | |
211 | } | |
212 | ||
213 | /* | |
214 | * exclusion_msg's size is bounded by the exclusion_fmt string, | |
215 | * a comma per entry, the entry count (fixed-size), a closing | |
216 | * bracket, and a trailing \0. | |
217 | */ | |
218 | exclusion_msg = malloc(exclusion_count + | |
219 | exclusion_count * LTTNG_SYMBOL_NAME_LEN + | |
19ed7632 | 220 | exclusion_fmt_len + 1); |
7b4a95b1 PP |
221 | if (!exclusion_msg) { |
222 | goto end; | |
223 | } | |
224 | ||
19ed7632 | 225 | at = strcpy(exclusion_msg, exclusion_fmt) + exclusion_fmt_len; |
7b4a95b1 PP |
226 | for (i = 0; i < exclusion_count; ++i) { |
227 | const char *name; | |
228 | ||
229 | /* Append comma between exclusion names */ | |
230 | if (i > 0) { | |
231 | *at = ','; | |
232 | at++; | |
233 | } | |
234 | ||
235 | ret = lttng_event_get_exclusion_name(event, i, &name); | |
236 | if (ret) { | |
237 | /* Prints '?' on local error; should never happen */ | |
238 | *at = '?'; | |
239 | at++; | |
240 | continue; | |
241 | } | |
242 | ||
243 | /* Append exclusion name */ | |
31e40170 | 244 | at += sprintf(at, "%s", name); |
7b4a95b1 PP |
245 | } |
246 | ||
247 | /* This also puts a final '\0' at the end of exclusion_msg */ | |
19ed7632 | 248 | strcpy(at, "]"); |
7b4a95b1 PP |
249 | |
250 | end: | |
251 | return exclusion_msg; | |
252 | } | |
253 | ||
b955b4d4 FD |
254 | static void print_userspace_probe_location(struct lttng_event *event) |
255 | { | |
87597c2c JG |
256 | const struct lttng_userspace_probe_location *location; |
257 | const struct lttng_userspace_probe_location_lookup_method *lookup_method; | |
b955b4d4 FD |
258 | enum lttng_userspace_probe_location_lookup_method_type lookup_type; |
259 | ||
260 | location = lttng_event_get_userspace_probe_location(event); | |
261 | if (!location) { | |
262 | MSG("Event has no userspace probe location"); | |
263 | return; | |
264 | } | |
265 | ||
266 | lookup_method = lttng_userspace_probe_location_get_lookup_method(location); | |
267 | if (!lookup_method) { | |
268 | MSG("Event has no userspace probe location lookup method"); | |
269 | return; | |
270 | } | |
271 | ||
272 | MSG("%s%s (type: userspace-probe)%s", indent6, event->name, enabled_string(event->enabled)); | |
273 | ||
274 | lookup_type = lttng_userspace_probe_location_lookup_method_get_type(lookup_method); | |
275 | ||
276 | switch (lttng_userspace_probe_location_get_type(location)) { | |
277 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_UNKNOWN: | |
278 | MSG("%sType: Unknown", indent8); | |
279 | break; | |
280 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION: | |
281 | { | |
282 | const char *function_name; | |
283 | const char *binary_path; | |
284 | ||
285 | MSG("%sType: Function", indent8); | |
286 | function_name = lttng_userspace_probe_location_function_get_function_name(location); | |
287 | binary_path = realpath(lttng_userspace_probe_location_function_get_binary_path(location), NULL); | |
288 | ||
289 | MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL"); | |
290 | MSG("%sFunction: %s()", indent8, function_name ? function_name : "NULL"); | |
291 | switch (lookup_type) { | |
292 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF: | |
293 | MSG("%sLookup method: ELF", indent8); | |
294 | break; | |
295 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_DEFAULT: | |
296 | MSG("%sLookup method: default", indent8); | |
297 | break; | |
298 | default: | |
299 | MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8); | |
300 | break; | |
301 | } | |
302 | break; | |
303 | } | |
304 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT: | |
305 | { | |
306 | const char *probe_name, *provider_name; | |
307 | const char *binary_path; | |
308 | ||
309 | MSG("%sType: Tracepoint", indent8); | |
310 | probe_name = lttng_userspace_probe_location_tracepoint_get_probe_name(location); | |
311 | provider_name = lttng_userspace_probe_location_tracepoint_get_provider_name(location); | |
312 | binary_path = realpath(lttng_userspace_probe_location_tracepoint_get_binary_path(location), NULL); | |
313 | MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL"); | |
314 | MSG("%sTracepoint: %s:%s", indent8, provider_name ? provider_name : "NULL", probe_name ? probe_name : "NULL"); | |
315 | switch (lookup_type) { | |
316 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_TRACEPOINT_SDT: | |
317 | MSG("%sLookup method: SDT", indent8); | |
318 | break; | |
319 | default: | |
320 | MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8); | |
321 | break; | |
322 | } | |
323 | break; | |
324 | } | |
325 | default: | |
326 | ERR("Invalid probe type encountered"); | |
327 | } | |
328 | } | |
329 | ||
b551a063 DG |
330 | /* |
331 | * Pretty print single event. | |
332 | */ | |
333 | static void print_events(struct lttng_event *event) | |
334 | { | |
4adbcc72 PP |
335 | int ret; |
336 | const char *filter_str; | |
337 | char *filter_msg = NULL; | |
7b4a95b1 | 338 | char *exclusion_msg = NULL; |
4adbcc72 | 339 | |
134e72ed | 340 | ret = lttng_event_get_filter_expression(event, &filter_str); |
4adbcc72 PP |
341 | |
342 | if (ret) { | |
343 | filter_msg = strdup(" [failed to retrieve filter]"); | |
344 | } else if (filter_str) { | |
345 | const char * const filter_fmt = " [filter: '%s']"; | |
346 | ||
347 | filter_msg = malloc(strlen(filter_str) + | |
348 | strlen(filter_fmt) + 1); | |
349 | if (filter_msg) { | |
350 | sprintf(filter_msg, filter_fmt, | |
351 | filter_str); | |
352 | } | |
353 | } | |
354 | ||
7b4a95b1 PP |
355 | exclusion_msg = get_exclusion_names_msg(event); |
356 | if (!exclusion_msg) { | |
357 | exclusion_msg = strdup(" [failed to retrieve exclusions]"); | |
358 | } | |
359 | ||
b551a063 DG |
360 | switch (event->type) { |
361 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 362 | { |
8b703175 | 363 | if (event->loglevel != -1) { |
af6bce80 | 364 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
8b703175 | 365 | indent6, |
81afa345 | 366 | event->name, |
1f0e17de | 367 | logleveltype_string(event->loglevel_type), |
970d848b | 368 | mi_lttng_loglevel_string(event->loglevel, handle->domain.type), |
8b703175 | 369 | event->loglevel, |
fceb65df | 370 | enabled_string(event->enabled), |
7b4a95b1 PP |
371 | safe_string(exclusion_msg), |
372 | safe_string(filter_msg)); | |
8b703175 | 373 | } else { |
4634f12e | 374 | MSG("%s%s (type: tracepoint)%s%s%s", |
8b703175 MD |
375 | indent6, |
376 | event->name, | |
fceb65df | 377 | enabled_string(event->enabled), |
7b4a95b1 PP |
378 | safe_string(exclusion_msg), |
379 | safe_string(filter_msg)); | |
8b703175 | 380 | } |
b551a063 | 381 | break; |
e4baff1e | 382 | } |
1896972b DG |
383 | case LTTNG_EVENT_FUNCTION: |
384 | MSG("%s%s (type: function)%s%s", indent6, | |
385 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 386 | safe_string(filter_msg)); |
1896972b DG |
387 | if (event->attr.probe.addr != 0) { |
388 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
389 | } else { | |
390 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
391 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
392 | } | |
393 | break; | |
b551a063 | 394 | case LTTNG_EVENT_PROBE: |
fceb65df MD |
395 | MSG("%s%s (type: probe)%s%s", indent6, |
396 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 397 | safe_string(filter_msg)); |
b551a063 DG |
398 | if (event->attr.probe.addr != 0) { |
399 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
400 | } else { | |
401 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
402 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
403 | } | |
404 | break; | |
b955b4d4 FD |
405 | case LTTNG_EVENT_USERSPACE_PROBE: |
406 | print_userspace_probe_location(event); | |
407 | break; | |
b551a063 | 408 | case LTTNG_EVENT_FUNCTION_ENTRY: |
fceb65df MD |
409 | MSG("%s%s (type: function)%s%s", indent6, |
410 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 411 | safe_string(filter_msg)); |
b551a063 DG |
412 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
413 | break; | |
414 | case LTTNG_EVENT_SYSCALL: | |
2199ad66 | 415 | MSG("%s%s%s%s%s%s", indent6, event->name, |
834978fd | 416 | (opt_syscall ? "" : " (type:syscall)"), |
fceb65df | 417 | enabled_string(event->enabled), |
2199ad66 JG |
418 | bitness_event(event->flags), |
419 | safe_string(filter_msg)); | |
b551a063 DG |
420 | break; |
421 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
422 | MSG("%s (type: noop)%s%s", indent6, |
423 | enabled_string(event->enabled), | |
7b4a95b1 | 424 | safe_string(filter_msg)); |
b551a063 DG |
425 | break; |
426 | case LTTNG_EVENT_ALL: | |
410b78a0 FD |
427 | /* Fall-through. */ |
428 | default: | |
b551a063 DG |
429 | /* We should never have "all" events in list. */ |
430 | assert(0); | |
431 | break; | |
432 | } | |
4adbcc72 PP |
433 | |
434 | free(filter_msg); | |
7b4a95b1 | 435 | free(exclusion_msg); |
b551a063 DG |
436 | } |
437 | ||
f37d259d MD |
438 | static const char *field_type(struct lttng_event_field *field) |
439 | { | |
440 | switch(field->type) { | |
441 | case LTTNG_EVENT_FIELD_INTEGER: | |
442 | return "integer"; | |
443 | case LTTNG_EVENT_FIELD_ENUM: | |
444 | return "enum"; | |
445 | case LTTNG_EVENT_FIELD_FLOAT: | |
446 | return "float"; | |
447 | case LTTNG_EVENT_FIELD_STRING: | |
448 | return "string"; | |
449 | case LTTNG_EVENT_FIELD_OTHER: | |
450 | default: /* fall-through */ | |
451 | return "unknown"; | |
452 | } | |
453 | } | |
454 | ||
455 | /* | |
456 | * Pretty print single event fields. | |
457 | */ | |
458 | static void print_event_field(struct lttng_event_field *field) | |
459 | { | |
460 | if (!field->field_name[0]) { | |
461 | return; | |
462 | } | |
d8fbe2a9 | 463 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 464 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
465 | } |
466 | ||
fb14d0d8 JR |
467 | /* |
468 | * Machine interface | |
469 | * Jul and ust event listing | |
470 | */ | |
5cdb6027 | 471 | static int mi_list_agent_ust_events(struct lttng_event *events, int count, |
fb14d0d8 JR |
472 | struct lttng_domain *domain) |
473 | { | |
474 | int ret, i; | |
475 | pid_t cur_pid = 0; | |
476 | char *cmdline = NULL; | |
477 | int pid_element_open = 0; | |
478 | ||
479 | /* Open domains element */ | |
480 | ret = mi_lttng_domains_open(writer); | |
481 | if (ret) { | |
482 | goto end; | |
483 | } | |
484 | ||
485 | /* Write domain */ | |
486 | ret = mi_lttng_domain(writer, domain, 1); | |
487 | if (ret) { | |
488 | goto end; | |
489 | } | |
490 | ||
bf239d4c JR |
491 | /* Open pids element element */ |
492 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
493 | if (ret) { |
494 | goto end; | |
495 | } | |
496 | ||
497 | for (i = 0; i < count; i++) { | |
498 | if (cur_pid != events[i].pid) { | |
499 | if (pid_element_open) { | |
2e9aecb9 | 500 | /* Close the previous events and pid element */ |
fb14d0d8 JR |
501 | ret = mi_lttng_close_multi_element(writer, 2); |
502 | if (ret) { | |
503 | goto end; | |
504 | } | |
505 | pid_element_open = 0; | |
506 | } | |
507 | ||
508 | cur_pid = events[i].pid; | |
509 | cmdline = get_cmdline_by_pid(cur_pid); | |
510 | if (!cmdline) { | |
511 | ret = CMD_ERROR; | |
512 | goto end; | |
513 | } | |
514 | ||
515 | if (!pid_element_open) { | |
516 | /* Open and write a pid element */ | |
bf239d4c | 517 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); |
fb14d0d8 JR |
518 | if (ret) { |
519 | goto error; | |
520 | } | |
521 | ||
522 | /* Open events element */ | |
523 | ret = mi_lttng_events_open(writer); | |
524 | if (ret) { | |
525 | goto error; | |
526 | } | |
527 | ||
528 | pid_element_open = 1; | |
529 | } | |
530 | free(cmdline); | |
531 | } | |
532 | ||
533 | /* Write an event */ | |
970d848b | 534 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
535 | if (ret) { |
536 | goto end; | |
537 | } | |
538 | } | |
539 | ||
bf239d4c | 540 | /* Close pids */ |
fb14d0d8 JR |
541 | ret = mi_lttng_writer_close_element(writer); |
542 | if (ret) { | |
543 | goto end; | |
544 | } | |
545 | ||
546 | /* Close domain, domains */ | |
547 | ret = mi_lttng_close_multi_element(writer, 2); | |
548 | end: | |
549 | return ret; | |
550 | error: | |
551 | free(cmdline); | |
552 | return ret; | |
553 | } | |
554 | ||
5cdb6027 | 555 | static int list_agent_events(void) |
3c6a091f | 556 | { |
fb14d0d8 | 557 | int i, size, ret = CMD_SUCCESS; |
3c6a091f | 558 | struct lttng_domain domain; |
26c610c9 | 559 | struct lttng_handle *handle = NULL; |
469b972b | 560 | struct lttng_event *event_list = NULL; |
3c6a091f DG |
561 | pid_t cur_pid = 0; |
562 | char *cmdline = NULL; | |
5cdb6027 | 563 | const char *agent_domain_str; |
3c6a091f DG |
564 | |
565 | memset(&domain, 0, sizeof(domain)); | |
5cdb6027 DG |
566 | if (opt_jul) { |
567 | domain.type = LTTNG_DOMAIN_JUL; | |
568 | } else if (opt_log4j) { | |
569 | domain.type = LTTNG_DOMAIN_LOG4J; | |
0e115563 DG |
570 | } else if (opt_python) { |
571 | domain.type = LTTNG_DOMAIN_PYTHON; | |
26c610c9 JG |
572 | } else { |
573 | ERR("Invalid agent domain selected."); | |
574 | ret = CMD_ERROR; | |
575 | goto error; | |
5cdb6027 DG |
576 | } |
577 | ||
578 | agent_domain_str = get_domain_str(domain.type); | |
579 | ||
580 | DBG("Getting %s tracing events", agent_domain_str); | |
3c6a091f DG |
581 | |
582 | handle = lttng_create_handle(NULL, &domain); | |
583 | if (handle == NULL) { | |
fb14d0d8 JR |
584 | ret = CMD_ERROR; |
585 | goto end; | |
3c6a091f DG |
586 | } |
587 | ||
588 | size = lttng_list_tracepoints(handle, &event_list); | |
589 | if (size < 0) { | |
5cdb6027 DG |
590 | ERR("Unable to list %s events: %s", agent_domain_str, |
591 | lttng_strerror(size)); | |
fb14d0d8 JR |
592 | ret = CMD_ERROR; |
593 | goto end; | |
3c6a091f DG |
594 | } |
595 | ||
fb14d0d8 JR |
596 | if (lttng_opt_mi) { |
597 | /* Mi print */ | |
5cdb6027 | 598 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
599 | if (ret) { |
600 | ret = CMD_ERROR; | |
601 | goto error; | |
3c6a091f | 602 | } |
fb14d0d8 JR |
603 | } else { |
604 | /* Pretty print */ | |
5cdb6027 DG |
605 | MSG("%s events (Logger name):\n-------------------------", |
606 | agent_domain_str); | |
3c6a091f | 607 | |
fb14d0d8 JR |
608 | if (size == 0) { |
609 | MSG("None"); | |
610 | } | |
3c6a091f | 611 | |
fb14d0d8 JR |
612 | for (i = 0; i < size; i++) { |
613 | if (cur_pid != event_list[i].pid) { | |
614 | cur_pid = event_list[i].pid; | |
615 | cmdline = get_cmdline_by_pid(cur_pid); | |
616 | if (cmdline == NULL) { | |
617 | ret = CMD_ERROR; | |
618 | goto error; | |
619 | } | |
620 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
621 | free(cmdline); | |
622 | } | |
623 | MSG("%s- %s", indent6, event_list[i].name); | |
624 | } | |
3c6a091f | 625 | |
fb14d0d8 JR |
626 | MSG(""); |
627 | } | |
3c6a091f DG |
628 | |
629 | error: | |
fb14d0d8 JR |
630 | free(event_list); |
631 | end: | |
3c6a091f | 632 | lttng_destroy_handle(handle); |
fb14d0d8 | 633 | return ret; |
3c6a091f DG |
634 | } |
635 | ||
b551a063 DG |
636 | /* |
637 | * Ask session daemon for all user space tracepoints available. | |
638 | */ | |
639 | static int list_ust_events(void) | |
640 | { | |
fb14d0d8 | 641 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
642 | struct lttng_domain domain; |
643 | struct lttng_handle *handle; | |
bec97646 | 644 | struct lttng_event *event_list = NULL; |
b551a063 | 645 | pid_t cur_pid = 0; |
ea5cbc00 | 646 | char *cmdline = NULL; |
b551a063 | 647 | |
441c16a7 MD |
648 | memset(&domain, 0, sizeof(domain)); |
649 | ||
b551a063 DG |
650 | DBG("Getting UST tracing events"); |
651 | ||
652 | domain.type = LTTNG_DOMAIN_UST; | |
653 | ||
654 | handle = lttng_create_handle(NULL, &domain); | |
655 | if (handle == NULL) { | |
fb14d0d8 JR |
656 | ret = CMD_ERROR; |
657 | goto end; | |
b551a063 DG |
658 | } |
659 | ||
660 | size = lttng_list_tracepoints(handle, &event_list); | |
661 | if (size < 0) { | |
60e835ca | 662 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
fb14d0d8 JR |
663 | ret = CMD_ERROR; |
664 | goto error; | |
b551a063 DG |
665 | } |
666 | ||
fb14d0d8 JR |
667 | if (lttng_opt_mi) { |
668 | /* Mi print */ | |
5cdb6027 | 669 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
670 | } else { |
671 | /* Pretty print */ | |
672 | MSG("UST events:\n-------------"); | |
673 | ||
674 | if (size == 0) { | |
675 | MSG("None"); | |
676 | } | |
677 | ||
678 | for (i = 0; i < size; i++) { | |
679 | if (cur_pid != event_list[i].pid) { | |
680 | cur_pid = event_list[i].pid; | |
681 | cmdline = get_cmdline_by_pid(cur_pid); | |
682 | if (cmdline == NULL) { | |
683 | ret = CMD_ERROR; | |
684 | goto error; | |
685 | } | |
686 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
687 | free(cmdline); | |
688 | } | |
689 | print_events(&event_list[i]); | |
690 | } | |
b551a063 | 691 | |
fb14d0d8 | 692 | MSG(""); |
b551a063 DG |
693 | } |
694 | ||
fb14d0d8 JR |
695 | error: |
696 | free(event_list); | |
697 | end: | |
698 | lttng_destroy_handle(handle); | |
699 | return ret; | |
700 | } | |
701 | ||
702 | /* | |
703 | * Machine interface | |
704 | * List all ust event with their fields | |
705 | */ | |
706 | static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count, | |
707 | struct lttng_domain *domain) | |
708 | { | |
709 | int ret, i; | |
710 | pid_t cur_pid = 0; | |
711 | char *cmdline = NULL; | |
712 | int pid_element_open = 0; | |
713 | int event_element_open = 0; | |
714 | struct lttng_event cur_event; | |
715 | ||
d113fbc8 JR |
716 | memset(&cur_event, 0, sizeof(cur_event)); |
717 | ||
fb14d0d8 JR |
718 | /* Open domains element */ |
719 | ret = mi_lttng_domains_open(writer); | |
720 | if (ret) { | |
721 | goto end; | |
722 | } | |
723 | ||
724 | /* Write domain */ | |
725 | ret = mi_lttng_domain(writer, domain, 1); | |
726 | if (ret) { | |
727 | goto end; | |
728 | } | |
729 | ||
bf239d4c JR |
730 | /* Open pids element */ |
731 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
732 | if (ret) { |
733 | goto end; | |
734 | } | |
735 | ||
736 | for (i = 0; i < count; i++) { | |
737 | if (cur_pid != fields[i].event.pid) { | |
738 | if (pid_element_open) { | |
739 | if (event_element_open) { | |
485ca16f | 740 | /* Close the previous field element and event. */ |
fb14d0d8 JR |
741 | ret = mi_lttng_close_multi_element(writer, 2); |
742 | if (ret) { | |
743 | goto end; | |
744 | } | |
745 | event_element_open = 0; | |
746 | } | |
747 | /* Close the previous events, pid element */ | |
748 | ret = mi_lttng_close_multi_element(writer, 2); | |
749 | if (ret) { | |
750 | goto end; | |
751 | } | |
752 | pid_element_open = 0; | |
753 | } | |
754 | ||
755 | cur_pid = fields[i].event.pid; | |
ea5cbc00 | 756 | cmdline = get_cmdline_by_pid(cur_pid); |
fb14d0d8 | 757 | if (!pid_element_open) { |
bf239d4c JR |
758 | /* Open and write a pid element */ |
759 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); | |
fb14d0d8 JR |
760 | if (ret) { |
761 | goto error; | |
762 | } | |
763 | ||
764 | /* Open events element */ | |
765 | ret = mi_lttng_events_open(writer); | |
766 | if (ret) { | |
767 | goto error; | |
768 | } | |
769 | pid_element_open = 1; | |
770 | } | |
ea5cbc00 | 771 | free(cmdline); |
fb14d0d8 JR |
772 | /* Wipe current event since we are about to print a new PID. */ |
773 | memset(&cur_event, 0, sizeof(cur_event)); | |
b551a063 | 774 | } |
b551a063 | 775 | |
fb14d0d8 JR |
776 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
777 | if (event_element_open) { | |
778 | /* Close the previous fields element and the previous event */ | |
779 | ret = mi_lttng_close_multi_element(writer, 2); | |
780 | if (ret) { | |
781 | goto end; | |
782 | } | |
783 | event_element_open = 0; | |
784 | } | |
785 | ||
786 | memcpy(&cur_event, &fields[i].event, | |
787 | sizeof(cur_event)); | |
b551a063 | 788 | |
fb14d0d8 JR |
789 | if (!event_element_open) { |
790 | /* Open and write the event */ | |
970d848b DG |
791 | ret = mi_lttng_event(writer, &cur_event, 1, |
792 | handle->domain.type); | |
fb14d0d8 JR |
793 | if (ret) { |
794 | goto end; | |
795 | } | |
796 | ||
797 | /* Open a fields element */ | |
798 | ret = mi_lttng_event_fields_open(writer); | |
799 | if (ret) { | |
800 | goto end; | |
801 | } | |
802 | event_element_open = 1; | |
803 | } | |
804 | } | |
b551a063 | 805 | |
fb14d0d8 JR |
806 | /* Print the event_field */ |
807 | ret = mi_lttng_event_field(writer, &fields[i]); | |
808 | if (ret) { | |
809 | goto end; | |
810 | } | |
811 | } | |
b551a063 | 812 | |
83d6d6c4 | 813 | /* Close pids, domain, domains */ |
fb14d0d8 JR |
814 | ret = mi_lttng_close_multi_element(writer, 3); |
815 | end: | |
816 | return ret; | |
b551a063 | 817 | error: |
fb14d0d8 JR |
818 | free(cmdline); |
819 | return ret; | |
b551a063 | 820 | } |
f3ed775e | 821 | |
f37d259d MD |
822 | /* |
823 | * Ask session daemon for all user space tracepoint fields available. | |
824 | */ | |
825 | static int list_ust_event_fields(void) | |
826 | { | |
fb14d0d8 | 827 | int i, size, ret = CMD_SUCCESS; |
f37d259d MD |
828 | struct lttng_domain domain; |
829 | struct lttng_handle *handle; | |
830 | struct lttng_event_field *event_field_list; | |
831 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
832 | char *cmdline = NULL; |
833 | ||
f37d259d MD |
834 | struct lttng_event cur_event; |
835 | ||
836 | memset(&domain, 0, sizeof(domain)); | |
837 | memset(&cur_event, 0, sizeof(cur_event)); | |
838 | ||
839 | DBG("Getting UST tracing event fields"); | |
840 | ||
841 | domain.type = LTTNG_DOMAIN_UST; | |
842 | ||
843 | handle = lttng_create_handle(NULL, &domain); | |
844 | if (handle == NULL) { | |
fb14d0d8 JR |
845 | ret = CMD_ERROR; |
846 | goto end; | |
f37d259d MD |
847 | } |
848 | ||
849 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
850 | if (size < 0) { | |
60e835ca | 851 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
fb14d0d8 JR |
852 | ret = CMD_ERROR; |
853 | goto end; | |
f37d259d MD |
854 | } |
855 | ||
fb14d0d8 JR |
856 | if (lttng_opt_mi) { |
857 | /* Mi print */ | |
858 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); | |
859 | if (ret) { | |
860 | ret = CMD_ERROR; | |
861 | goto error; | |
862 | } | |
863 | } else { | |
864 | /* Pretty print */ | |
865 | MSG("UST events:\n-------------"); | |
f37d259d | 866 | |
fb14d0d8 JR |
867 | if (size == 0) { |
868 | MSG("None"); | |
f37d259d | 869 | } |
fb14d0d8 JR |
870 | |
871 | for (i = 0; i < size; i++) { | |
872 | if (cur_pid != event_field_list[i].event.pid) { | |
873 | cur_pid = event_field_list[i].event.pid; | |
874 | cmdline = get_cmdline_by_pid(cur_pid); | |
875 | if (cmdline == NULL) { | |
876 | ret = CMD_ERROR; | |
877 | goto error; | |
878 | } | |
879 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
880 | free(cmdline); | |
881 | /* Wipe current event since we are about to print a new PID. */ | |
882 | memset(&cur_event, 0, sizeof(cur_event)); | |
883 | } | |
884 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
885 | print_events(&event_field_list[i].event); | |
886 | memcpy(&cur_event, &event_field_list[i].event, | |
887 | sizeof(cur_event)); | |
888 | } | |
889 | print_event_field(&event_field_list[i]); | |
f37d259d | 890 | } |
f37d259d | 891 | |
fb14d0d8 JR |
892 | MSG(""); |
893 | } | |
f37d259d | 894 | |
fb14d0d8 | 895 | error: |
f37d259d | 896 | free(event_field_list); |
fb14d0d8 | 897 | end: |
f37d259d | 898 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
899 | return ret; |
900 | } | |
f37d259d | 901 | |
fb14d0d8 JR |
902 | /* |
903 | * Machine interface | |
904 | * Print a list of kernel events | |
905 | */ | |
906 | static int mi_list_kernel_events(struct lttng_event *events, int count, | |
907 | struct lttng_domain *domain) | |
908 | { | |
909 | int ret, i; | |
f37d259d | 910 | |
fb14d0d8 JR |
911 | /* Open domains element */ |
912 | ret = mi_lttng_domains_open(writer); | |
913 | if (ret) { | |
914 | goto end; | |
915 | } | |
916 | ||
917 | /* Write domain */ | |
918 | ret = mi_lttng_domain(writer, domain, 1); | |
919 | if (ret) { | |
920 | goto end; | |
921 | } | |
922 | ||
923 | /* Open events */ | |
924 | ret = mi_lttng_events_open(writer); | |
925 | if (ret) { | |
926 | goto end; | |
927 | } | |
928 | ||
929 | for (i = 0; i < count; i++) { | |
970d848b | 930 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
931 | if (ret) { |
932 | goto end; | |
933 | } | |
934 | } | |
935 | ||
936 | /* close events, domain and domains */ | |
937 | ret = mi_lttng_close_multi_element(writer, 3); | |
938 | if (ret) { | |
939 | goto end; | |
940 | } | |
941 | ||
942 | end: | |
943 | return ret; | |
f37d259d MD |
944 | } |
945 | ||
f3ed775e | 946 | /* |
fb14d0d8 | 947 | * Ask for all trace events in the kernel |
f3ed775e | 948 | */ |
9f19cc17 | 949 | static int list_kernel_events(void) |
f3ed775e | 950 | { |
fb14d0d8 | 951 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
952 | struct lttng_domain domain; |
953 | struct lttng_handle *handle; | |
9f19cc17 | 954 | struct lttng_event *event_list; |
f3ed775e | 955 | |
441c16a7 MD |
956 | memset(&domain, 0, sizeof(domain)); |
957 | ||
b551a063 DG |
958 | DBG("Getting kernel tracing events"); |
959 | ||
960 | domain.type = LTTNG_DOMAIN_KERNEL; | |
961 | ||
962 | handle = lttng_create_handle(NULL, &domain); | |
963 | if (handle == NULL) { | |
fb14d0d8 | 964 | ret = CMD_ERROR; |
b551a063 DG |
965 | goto error; |
966 | } | |
f3ed775e | 967 | |
cd80958d | 968 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 969 | if (size < 0) { |
60e835ca | 970 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 971 | lttng_destroy_handle(handle); |
fb14d0d8 | 972 | return CMD_ERROR; |
f3ed775e DG |
973 | } |
974 | ||
fb14d0d8 JR |
975 | if (lttng_opt_mi) { |
976 | /* Mi print */ | |
977 | ret = mi_list_kernel_events(event_list, size, &domain); | |
978 | if (ret) { | |
979 | ret = CMD_ERROR; | |
980 | goto end; | |
981 | } | |
982 | } else { | |
983 | MSG("Kernel events:\n-------------"); | |
f3ed775e | 984 | |
fb14d0d8 JR |
985 | for (i = 0; i < size; i++) { |
986 | print_events(&event_list[i]); | |
987 | } | |
f3ed775e | 988 | |
fb14d0d8 JR |
989 | MSG(""); |
990 | } | |
b551a063 | 991 | |
fb14d0d8 | 992 | end: |
f3ed775e DG |
993 | free(event_list); |
994 | ||
ef021732 | 995 | lttng_destroy_handle(handle); |
fb14d0d8 | 996 | return ret; |
b551a063 DG |
997 | |
998 | error: | |
ef021732 | 999 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
1000 | return ret; |
1001 | } | |
1002 | ||
834978fd DG |
1003 | /* |
1004 | * Machine interface | |
1005 | * Print a list of system calls. | |
1006 | */ | |
1007 | static int mi_list_syscalls(struct lttng_event *events, int count) | |
1008 | { | |
1009 | int ret, i; | |
1010 | ||
1011 | /* Open events */ | |
1012 | ret = mi_lttng_events_open(writer); | |
1013 | if (ret) { | |
1014 | goto end; | |
1015 | } | |
1016 | ||
1017 | for (i = 0; i < count; i++) { | |
970d848b | 1018 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
834978fd DG |
1019 | if (ret) { |
1020 | goto end; | |
1021 | } | |
1022 | } | |
1023 | ||
1024 | /* Close events. */ | |
1025 | ret = mi_lttng_writer_close_element(writer); | |
1026 | if (ret) { | |
1027 | goto end; | |
1028 | } | |
1029 | ||
1030 | end: | |
1031 | return ret; | |
1032 | } | |
1033 | ||
1034 | /* | |
1035 | * Ask for kernel system calls. | |
1036 | */ | |
1037 | static int list_syscalls(void) | |
1038 | { | |
1039 | int i, size, ret = CMD_SUCCESS; | |
1040 | struct lttng_event *event_list; | |
1041 | ||
1042 | DBG("Getting kernel system call events"); | |
1043 | ||
1044 | size = lttng_list_syscalls(&event_list); | |
1045 | if (size < 0) { | |
1046 | ERR("Unable to list system calls: %s", lttng_strerror(size)); | |
1047 | ret = CMD_ERROR; | |
1048 | goto error; | |
1049 | } | |
1050 | ||
1051 | if (lttng_opt_mi) { | |
1052 | /* Mi print */ | |
1053 | ret = mi_list_syscalls(event_list, size); | |
1054 | if (ret) { | |
1055 | ret = CMD_ERROR; | |
1056 | goto end; | |
1057 | } | |
1058 | } else { | |
1059 | MSG("System calls:\n-------------"); | |
1060 | ||
1061 | for (i = 0; i < size; i++) { | |
1062 | print_events(&event_list[i]); | |
1063 | } | |
1064 | ||
1065 | MSG(""); | |
1066 | } | |
1067 | ||
1068 | end: | |
1069 | free(event_list); | |
1070 | return ret; | |
1071 | ||
1072 | error: | |
1073 | return ret; | |
1074 | } | |
1075 | ||
fb14d0d8 JR |
1076 | /* |
1077 | * Machine Interface | |
5cdb6027 | 1078 | * Print a list of agent events |
fb14d0d8 | 1079 | */ |
5cdb6027 | 1080 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
fb14d0d8 JR |
1081 | { |
1082 | int ret, i; | |
1083 | ||
1084 | /* Open events element */ | |
1085 | ret = mi_lttng_events_open(writer); | |
1086 | if (ret) { | |
1087 | goto end; | |
1088 | } | |
1089 | ||
1090 | for (i = 0; i < count; i++) { | |
970d848b | 1091 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1092 | if (ret) { |
1093 | goto end; | |
1094 | } | |
1095 | } | |
1096 | ||
1097 | /* Close events element */ | |
1098 | ret = mi_lttng_writer_close_element(writer); | |
1099 | ||
1100 | end: | |
1101 | return ret; | |
f3ed775e DG |
1102 | } |
1103 | ||
3c6a091f | 1104 | /* |
5cdb6027 | 1105 | * List agent events for a specific session using the handle. |
3c6a091f DG |
1106 | * |
1107 | * Return CMD_SUCCESS on success else a negative value. | |
1108 | */ | |
5cdb6027 | 1109 | static int list_session_agent_events(void) |
3c6a091f | 1110 | { |
fb14d0d8 | 1111 | int ret = CMD_SUCCESS, count, i; |
3c6a091f DG |
1112 | struct lttng_event *events = NULL; |
1113 | ||
1114 | count = lttng_list_events(handle, "", &events); | |
1115 | if (count < 0) { | |
fb14d0d8 JR |
1116 | ret = CMD_ERROR; |
1117 | ERR("%s", lttng_strerror(count)); | |
3c6a091f DG |
1118 | goto error; |
1119 | } | |
1120 | ||
fb14d0d8 JR |
1121 | if (lttng_opt_mi) { |
1122 | /* Mi print */ | |
5cdb6027 | 1123 | ret = mi_list_session_agent_events(events, count); |
fb14d0d8 JR |
1124 | if (ret) { |
1125 | ret = CMD_ERROR; | |
1126 | goto end; | |
1127 | } | |
1128 | } else { | |
1129 | /* Pretty print */ | |
1130 | MSG("Events (Logger name):\n---------------------"); | |
1131 | if (count == 0) { | |
1132 | MSG("%sNone\n", indent6); | |
1133 | goto end; | |
1134 | } | |
1135 | ||
1136 | for (i = 0; i < count; i++) { | |
9a890ce8 JG |
1137 | const char *filter_str; |
1138 | char *filter_msg = NULL; | |
1139 | struct lttng_event *event = &events[i]; | |
1140 | ||
134e72ed JG |
1141 | ret = lttng_event_get_filter_expression(event, |
1142 | &filter_str); | |
9a890ce8 JG |
1143 | if (ret) { |
1144 | filter_msg = strdup(" [failed to retrieve filter]"); | |
1145 | } else if (filter_str) { | |
1146 | const char * const filter_fmt = | |
1147 | " [filter: '%s']"; | |
1148 | ||
1149 | filter_msg = malloc(strlen(filter_str) + | |
1150 | strlen(filter_fmt) + 1); | |
1151 | if (filter_msg) { | |
00505bae JG |
1152 | sprintf(filter_msg, filter_fmt, |
1153 | filter_str); | |
9a890ce8 JG |
1154 | } |
1155 | } | |
1156 | ||
1157 | if (event->loglevel_type != | |
755066c2 | 1158 | LTTNG_EVENT_LOGLEVEL_ALL) { |
9a890ce8 JG |
1159 | MSG("%s- %s%s (loglevel%s %s)%s", indent4, |
1160 | event->name, | |
1161 | enabled_string(event->enabled), | |
755066c2 | 1162 | logleveltype_string( |
9a890ce8 | 1163 | event->loglevel_type), |
755066c2 | 1164 | mi_lttng_loglevel_string( |
9a890ce8 JG |
1165 | event->loglevel, |
1166 | handle->domain.type), | |
7b4a95b1 | 1167 | safe_string(filter_msg)); |
755066c2 | 1168 | } else { |
9a890ce8 JG |
1169 | MSG("%s- %s%s%s", indent4, event->name, |
1170 | enabled_string(event->enabled), | |
7b4a95b1 | 1171 | safe_string(filter_msg)); |
755066c2 | 1172 | } |
9a890ce8 | 1173 | free(filter_msg); |
fb14d0d8 JR |
1174 | } |
1175 | ||
1176 | MSG(""); | |
1177 | } | |
1178 | ||
1179 | end: | |
1180 | free(events); | |
1181 | error: | |
1182 | return ret; | |
1183 | } | |
1184 | ||
1185 | /* | |
1186 | * Machine interface | |
1187 | * print a list of event | |
1188 | */ | |
1189 | static int mi_list_events(struct lttng_event *events, int count) | |
1190 | { | |
1191 | int ret, i; | |
1192 | ||
1193 | /* Open events element */ | |
1194 | ret = mi_lttng_events_open(writer); | |
1195 | if (ret) { | |
3c6a091f DG |
1196 | goto end; |
1197 | } | |
1198 | ||
1199 | for (i = 0; i < count; i++) { | |
970d848b | 1200 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1201 | if (ret) { |
1202 | goto end; | |
1203 | } | |
3c6a091f DG |
1204 | } |
1205 | ||
fb14d0d8 JR |
1206 | /* Close events element */ |
1207 | ret = mi_lttng_writer_close_element(writer); | |
3c6a091f DG |
1208 | |
1209 | end: | |
3c6a091f DG |
1210 | return ret; |
1211 | } | |
1212 | ||
f3ed775e | 1213 | /* |
9f19cc17 | 1214 | * List events of channel of session and domain. |
f3ed775e | 1215 | */ |
cd80958d | 1216 | static int list_events(const char *channel_name) |
f3ed775e | 1217 | { |
fb14d0d8 | 1218 | int ret = CMD_SUCCESS, count, i; |
9f19cc17 | 1219 | struct lttng_event *events = NULL; |
f3ed775e | 1220 | |
cd80958d | 1221 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e | 1222 | if (count < 0) { |
fb14d0d8 JR |
1223 | ret = CMD_ERROR; |
1224 | ERR("%s", lttng_strerror(count)); | |
f3ed775e DG |
1225 | goto error; |
1226 | } | |
1227 | ||
fb14d0d8 JR |
1228 | if (lttng_opt_mi) { |
1229 | /* Mi print */ | |
1230 | ret = mi_list_events(events, count); | |
1231 | if (ret) { | |
1232 | ret = CMD_ERROR; | |
1233 | goto end; | |
1234 | } | |
1235 | } else { | |
1236 | /* Pretty print */ | |
f3b3a67b | 1237 | MSG("\n%sEvent rules:", indent4); |
fb14d0d8 JR |
1238 | if (count == 0) { |
1239 | MSG("%sNone\n", indent6); | |
1240 | goto end; | |
1241 | } | |
f3ed775e | 1242 | |
fb14d0d8 JR |
1243 | for (i = 0; i < count; i++) { |
1244 | print_events(&events[i]); | |
1245 | } | |
f3ed775e | 1246 | |
fb14d0d8 JR |
1247 | MSG(""); |
1248 | } | |
9f19cc17 | 1249 | end: |
0e428499 | 1250 | free(events); |
f3ed775e DG |
1251 | error: |
1252 | return ret; | |
1253 | } | |
1254 | ||
f3b3a67b JG |
1255 | static |
1256 | void print_timer(const char *timer_name, uint32_t space_count, int64_t value) | |
1257 | { | |
1258 | uint32_t i; | |
1259 | ||
1260 | _MSG("%s%s:", indent6, timer_name); | |
1261 | for (i = 0; i < space_count; i++) { | |
1262 | _MSG(" "); | |
1263 | } | |
1264 | ||
1265 | if (value) { | |
2a1135fa | 1266 | MSG("%" PRId64 " %s", value, USEC_UNIT); |
f3b3a67b JG |
1267 | } else { |
1268 | MSG("inactive"); | |
1269 | } | |
1270 | } | |
1271 | ||
f3ed775e | 1272 | /* |
9f19cc17 DG |
1273 | * Pretty print channel |
1274 | */ | |
1275 | static void print_channel(struct lttng_channel *channel) | |
1276 | { | |
fb83fe64 | 1277 | int ret; |
cf0bcb51 | 1278 | uint64_t discarded_events, lost_packets, monitor_timer_interval; |
491d1539 | 1279 | int64_t blocking_timeout; |
fb83fe64 JD |
1280 | |
1281 | ret = lttng_channel_get_discarded_event_count(channel, | |
1282 | &discarded_events); | |
1283 | if (ret) { | |
1284 | ERR("Failed to retrieve discarded event count of channel"); | |
1285 | return; | |
1286 | } | |
1287 | ||
1288 | ret = lttng_channel_get_lost_packet_count(channel, | |
1289 | &lost_packets); | |
1290 | if (ret) { | |
1291 | ERR("Failed to retrieve lost packet count of channel"); | |
1292 | return; | |
1293 | } | |
1294 | ||
cf0bcb51 JG |
1295 | ret = lttng_channel_get_monitor_timer_interval(channel, |
1296 | &monitor_timer_interval); | |
1297 | if (ret) { | |
1298 | ERR("Failed to retrieve monitor interval of channel"); | |
1299 | return; | |
1300 | } | |
1301 | ||
491d1539 MD |
1302 | ret = lttng_channel_get_blocking_timeout(channel, |
1303 | &blocking_timeout); | |
1304 | if (ret) { | |
1305 | ERR("Failed to retrieve blocking timeout of channel"); | |
1306 | return; | |
1307 | } | |
1308 | ||
464dd62d | 1309 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 | 1310 | MSG("%sAttributes:", indent4); |
f3b3a67b JG |
1311 | MSG("%sEvent-loss mode: %s", indent6, channel->attr.overwrite ? "overwrite" : "discard"); |
1312 | MSG("%sSub-buffer size: %" PRIu64 " bytes", indent6, channel->attr.subbuf_size); | |
1313 | MSG("%sSub-buffer count: %" PRIu64, indent6, channel->attr.num_subbuf); | |
1314 | ||
1315 | print_timer("Switch timer", 5, channel->attr.switch_timer_interval); | |
1316 | print_timer("Read timer", 7, channel->attr.read_timer_interval); | |
1317 | print_timer("Monitor timer", 4, monitor_timer_interval); | |
1318 | ||
1319 | if (!channel->attr.overwrite) { | |
1320 | if (blocking_timeout == -1) { | |
1321 | MSG("%sBlocking timeout: infinite", indent6); | |
1322 | } else { | |
2a1135fa JG |
1323 | MSG("%sBlocking timeout: %" PRId64 " %s", indent6, |
1324 | blocking_timeout, USEC_UNIT); | |
f3b3a67b JG |
1325 | } |
1326 | } | |
1327 | ||
1328 | MSG("%sTrace file count: %" PRIu64 " per stream", indent6, | |
1329 | channel->attr.tracefile_count == 0 ? | |
1330 | 1 : channel->attr.tracefile_count); | |
1331 | if (channel->attr.tracefile_size != 0 ) { | |
1332 | MSG("%sTrace file size: %" PRIu64 " bytes", indent6, | |
1333 | channel->attr.tracefile_size); | |
1334 | } else { | |
1335 | MSG("%sTrace file size: %s", indent6, "unlimited"); | |
1336 | } | |
9f19cc17 DG |
1337 | switch (channel->attr.output) { |
1338 | case LTTNG_EVENT_SPLICE: | |
f3b3a67b | 1339 | MSG("%sOutput mode: splice", indent6); |
9f19cc17 DG |
1340 | break; |
1341 | case LTTNG_EVENT_MMAP: | |
f3b3a67b | 1342 | MSG("%sOutput mode: mmap", indent6); |
9f19cc17 DG |
1343 | break; |
1344 | } | |
e50e81d3 | 1345 | |
f3b3a67b JG |
1346 | MSG("\n%sStatistics:", indent4); |
1347 | if (listed_session.snapshot_mode) { | |
e50e81d3 JG |
1348 | /* |
1349 | * The lost packet count is omitted for sessions in snapshot | |
1350 | * mode as it is misleading: it would indicate the number of | |
1351 | * packets that the consumer could not extract during the | |
1352 | * course of recording the snapshot. It does not have the | |
1353 | * same meaning as the "regular" lost packet count that | |
1354 | * would result from the consumer not keeping up with | |
1355 | * event production in an overwrite-mode channel. | |
1356 | * | |
1357 | * A more interesting statistic would be the number of | |
1358 | * packets lost between the first and last extracted | |
1359 | * packets of a given snapshot (which prevents most analyses). | |
1360 | */ | |
f3b3a67b | 1361 | MSG("%sNone", indent6); |
e50e81d3 JG |
1362 | goto skip_stats_printing; |
1363 | } | |
1364 | ||
1365 | if (!channel->attr.overwrite) { | |
f3b3a67b | 1366 | MSG("%sDiscarded events: %" PRIu64, indent6, discarded_events); |
e50e81d3 | 1367 | } else { |
f3b3a67b | 1368 | MSG("%sLost packets: %" PRIu64, indent6, lost_packets); |
e50e81d3 JG |
1369 | } |
1370 | skip_stats_printing: | |
1371 | return; | |
9f19cc17 DG |
1372 | } |
1373 | ||
fb14d0d8 JR |
1374 | /* |
1375 | * Machine interface | |
1376 | * Print a list of channel | |
1377 | * | |
1378 | */ | |
1379 | static int mi_list_channels(struct lttng_channel *channels, int count, | |
1380 | const char *channel_name) | |
1381 | { | |
1382 | int i, ret; | |
1383 | unsigned int chan_found = 0; | |
1384 | ||
1385 | /* Open channels element */ | |
1386 | ret = mi_lttng_channels_open(writer); | |
1387 | if (ret) { | |
1388 | goto error; | |
1389 | } | |
1390 | ||
1391 | for (i = 0; i < count; i++) { | |
1392 | if (channel_name != NULL) { | |
1393 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1394 | chan_found = 1; | |
1395 | } else { | |
1396 | continue; | |
1397 | } | |
1398 | } | |
1399 | ||
1400 | /* Write channel element and leave it open */ | |
1401 | ret = mi_lttng_channel(writer, &channels[i], 1); | |
1402 | if (ret) { | |
1403 | goto error; | |
1404 | } | |
1405 | ||
1406 | /* Listing events per channel */ | |
1407 | ret = list_events(channels[i].name); | |
1408 | if (ret) { | |
1409 | goto error; | |
1410 | } | |
1411 | ||
1412 | /* Closing the channel element we opened earlier */ | |
1413 | ret = mi_lttng_writer_close_element(writer); | |
1414 | if (ret) { | |
1415 | goto error; | |
1416 | } | |
1417 | ||
1418 | if (chan_found) { | |
1419 | break; | |
1420 | } | |
1421 | } | |
1422 | ||
1423 | /* Close channels element */ | |
1424 | ret = mi_lttng_writer_close_element(writer); | |
1425 | if (ret) { | |
1426 | goto error; | |
1427 | } | |
1428 | ||
1429 | error: | |
1430 | return ret; | |
1431 | } | |
1432 | ||
9f19cc17 DG |
1433 | /* |
1434 | * List channel(s) of session and domain. | |
f3ed775e | 1435 | * |
9f19cc17 | 1436 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 1437 | */ |
cd80958d | 1438 | static int list_channels(const char *channel_name) |
f3ed775e | 1439 | { |
9f19cc17 DG |
1440 | int count, i, ret = CMD_SUCCESS; |
1441 | unsigned int chan_found = 0; | |
1442 | struct lttng_channel *channels = NULL; | |
f3ed775e | 1443 | |
3e25cb20 | 1444 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 1445 | |
cd80958d | 1446 | count = lttng_list_channels(handle, &channels); |
f3ed775e | 1447 | if (count < 0) { |
c7d620a2 DG |
1448 | switch (-count) { |
1449 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
fb14d0d8 JR |
1450 | if (lttng_opt_mi) { |
1451 | /* When printing mi this is not an error | |
1452 | * but an empty channels element */ | |
1453 | count = 0; | |
1454 | } else { | |
1455 | ret = CMD_SUCCESS; | |
1456 | WARN("No kernel channel"); | |
1457 | goto error_channels; | |
1458 | } | |
c7d620a2 DG |
1459 | break; |
1460 | default: | |
1461 | /* We had a real error */ | |
fb14d0d8 JR |
1462 | ret = CMD_ERROR; |
1463 | ERR("%s", lttng_strerror(count)); | |
1464 | goto error_channels; | |
60e835ca | 1465 | break; |
c7d620a2 | 1466 | } |
f3ed775e DG |
1467 | } |
1468 | ||
fb14d0d8 JR |
1469 | if (lttng_opt_mi) { |
1470 | /* Mi print */ | |
1471 | ret = mi_list_channels(channels, count, channel_name); | |
1472 | if (ret) { | |
1473 | ret = CMD_ERROR; | |
1474 | goto error; | |
1475 | } | |
1476 | } else { | |
1477 | /* Pretty print */ | |
ade7ce52 | 1478 | if (count) { |
fb14d0d8 JR |
1479 | MSG("Channels:\n-------------"); |
1480 | } | |
9f19cc17 | 1481 | |
fb14d0d8 JR |
1482 | for (i = 0; i < count; i++) { |
1483 | if (channel_name != NULL) { | |
1484 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1485 | chan_found = 1; | |
1486 | } else { | |
1487 | continue; | |
1488 | } | |
1489 | } | |
1490 | print_channel(&channels[i]); | |
1491 | ||
1492 | /* Listing events per channel */ | |
1493 | ret = list_events(channels[i].name); | |
1494 | if (ret) { | |
1495 | goto error; | |
1496 | } | |
1497 | ||
1498 | if (chan_found) { | |
1499 | break; | |
9f19cc17 DG |
1500 | } |
1501 | } | |
9f19cc17 | 1502 | |
fb14d0d8 JR |
1503 | if (!chan_found && channel_name != NULL) { |
1504 | ret = CMD_ERROR; | |
1505 | ERR("Channel %s not found", channel_name); | |
1506 | goto error; | |
9f19cc17 | 1507 | } |
fb14d0d8 JR |
1508 | } |
1509 | error: | |
1510 | free(channels); | |
9f19cc17 | 1511 | |
fb14d0d8 JR |
1512 | error_channels: |
1513 | return ret; | |
1514 | } | |
1515 | ||
83d6d6c4 JR |
1516 | static const char *get_tracker_str(enum lttng_tracker_type tracker_type) |
1517 | { | |
1518 | switch (tracker_type) { | |
1519 | case LTTNG_TRACKER_PID: | |
1520 | return "PID"; | |
1521 | case LTTNG_TRACKER_VPID: | |
1522 | return "VPID"; | |
1523 | case LTTNG_TRACKER_UID: | |
1524 | return "UID"; | |
1525 | case LTTNG_TRACKER_VUID: | |
1526 | return "VUID"; | |
1527 | case LTTNG_TRACKER_GID: | |
1528 | return "GID"; | |
1529 | case LTTNG_TRACKER_VGID: | |
1530 | return "VGID"; | |
1531 | } | |
1532 | return NULL; | |
1533 | } | |
1534 | ||
a5dfbb9d | 1535 | /* |
83d6d6c4 | 1536 | * List tracker ID(s) of session and domain. |
a5dfbb9d | 1537 | */ |
83d6d6c4 | 1538 | static int list_tracker_ids(enum lttng_tracker_type tracker_type) |
a5dfbb9d | 1539 | { |
ebbf5ab7 | 1540 | int ret = 0; |
83d6d6c4 | 1541 | int enabled = 1; |
a7a533cd | 1542 | struct lttng_tracker_ids *ids = NULL; |
83d6d6c4 | 1543 | size_t nr_ids, i; |
a7a533cd | 1544 | const struct lttng_tracker_id *id; |
a5dfbb9d | 1545 | |
a7a533cd | 1546 | ret = lttng_list_tracker_ids(handle, tracker_type, &ids); |
a5dfbb9d MD |
1547 | if (ret) { |
1548 | return ret; | |
1549 | } | |
a7a533cd JR |
1550 | |
1551 | nr_ids = lttng_tracker_ids_get_count(ids); | |
1552 | if (nr_ids == 1) { | |
1553 | id = lttng_tracker_ids_get_at_index(ids, 0); | |
1554 | if (id && lttng_tracker_id_get_type(id) == LTTNG_ID_ALL) { | |
1555 | enabled = 0; | |
1556 | } | |
83d6d6c4 | 1557 | } |
a7a533cd | 1558 | |
a5dfbb9d | 1559 | if (enabled) { |
83d6d6c4 | 1560 | _MSG("%s tracker: [", get_tracker_str(tracker_type)); |
a5dfbb9d | 1561 | |
83d6d6c4 | 1562 | /* Mi tracker_id element */ |
ebbf5ab7 | 1563 | if (writer) { |
83d6d6c4 JR |
1564 | /* Open tracker_id and targets elements */ |
1565 | ret = mi_lttng_id_tracker_open(writer, tracker_type); | |
ebbf5ab7 JR |
1566 | if (ret) { |
1567 | goto end; | |
1568 | } | |
1569 | } | |
1570 | ||
83d6d6c4 | 1571 | for (i = 0; i < nr_ids; i++) { |
a7a533cd JR |
1572 | enum lttng_tracker_id_status status = |
1573 | LTTNG_TRACKER_ID_STATUS_OK; | |
2d97a006 JR |
1574 | int value; |
1575 | const char *value_string; | |
1576 | ||
a7a533cd JR |
1577 | id = lttng_tracker_ids_get_at_index(ids, i); |
1578 | if (!id) { | |
1579 | ret = CMD_ERROR; | |
1580 | goto end; | |
1581 | } | |
1582 | ||
2d97a006 JR |
1583 | switch (lttng_tracker_id_get_type(id)) { |
1584 | case LTTNG_ID_ALL: | |
1585 | break; | |
1586 | case LTTNG_ID_VALUE: | |
1587 | status = lttng_tracker_id_get_value(id, &value); | |
1588 | break; | |
1589 | case LTTNG_ID_STRING: | |
1590 | status = lttng_tracker_id_get_string( | |
1591 | id, &value_string); | |
1592 | break; | |
1593 | case LTTNG_ID_UNKNOWN: | |
1594 | ret = CMD_ERROR; | |
1595 | goto end; | |
1596 | } | |
1597 | ||
1598 | if (status != LTTNG_TRACKER_ID_STATUS_OK) { | |
1599 | ERR("Invalid state for tracker id"); | |
1600 | ret = CMD_ERROR; | |
1601 | goto end; | |
1602 | } | |
83d6d6c4 | 1603 | |
a5dfbb9d MD |
1604 | if (i) { |
1605 | _MSG(","); | |
1606 | } | |
2d97a006 | 1607 | switch (lttng_tracker_id_get_type(id)) { |
83d6d6c4 JR |
1608 | case LTTNG_ID_ALL: |
1609 | _MSG(" *"); | |
1610 | break; | |
1611 | case LTTNG_ID_VALUE: | |
2d97a006 | 1612 | _MSG(" %d", value); |
83d6d6c4 JR |
1613 | break; |
1614 | case LTTNG_ID_STRING: | |
2d97a006 | 1615 | _MSG(" %s", value_string); |
83d6d6c4 JR |
1616 | break; |
1617 | case LTTNG_ID_UNKNOWN: | |
2d97a006 JR |
1618 | ERR("Invalid state for tracker id"); |
1619 | ret = CMD_ERROR; | |
1620 | goto end; | |
83d6d6c4 | 1621 | } |
ebbf5ab7 JR |
1622 | |
1623 | /* Mi */ | |
1624 | if (writer) { | |
83d6d6c4 JR |
1625 | ret = mi_lttng_id_target( |
1626 | writer, tracker_type, id, 0); | |
ebbf5ab7 JR |
1627 | if (ret) { |
1628 | goto end; | |
1629 | } | |
1630 | } | |
a5dfbb9d | 1631 | } |
6223570f | 1632 | _MSG(" ]\n\n"); |
ebbf5ab7 | 1633 | |
83d6d6c4 | 1634 | /* Mi close tracker_id and targets */ |
ebbf5ab7 | 1635 | if (writer) { |
83d6d6c4 | 1636 | ret = mi_lttng_close_multi_element(writer, 2); |
ebbf5ab7 JR |
1637 | if (ret) { |
1638 | goto end; | |
1639 | } | |
1640 | } | |
a5dfbb9d | 1641 | } |
ebbf5ab7 | 1642 | end: |
a7a533cd | 1643 | lttng_tracker_ids_destroy(ids); |
ebbf5ab7 | 1644 | return ret; |
ebbf5ab7 JR |
1645 | } |
1646 | ||
1647 | /* | |
83d6d6c4 | 1648 | * List all trackers of a domain |
ebbf5ab7 | 1649 | */ |
83d6d6c4 | 1650 | static int list_trackers(const struct lttng_domain *domain) |
ebbf5ab7 | 1651 | { |
0dda6728 | 1652 | int ret = 0; |
ebbf5ab7 JR |
1653 | |
1654 | /* Trackers listing */ | |
1655 | if (lttng_opt_mi) { | |
1656 | ret = mi_lttng_trackers_open(writer); | |
1657 | if (ret) { | |
1658 | goto end; | |
1659 | } | |
1660 | } | |
1661 | ||
83d6d6c4 JR |
1662 | switch (domain->type) { |
1663 | case LTTNG_DOMAIN_KERNEL: | |
1664 | /* pid tracker */ | |
1665 | ret = list_tracker_ids(LTTNG_TRACKER_PID); | |
1666 | if (ret) { | |
1667 | goto end; | |
1668 | } | |
1669 | /* vpid tracker */ | |
1670 | ret = list_tracker_ids(LTTNG_TRACKER_VPID); | |
1671 | if (ret) { | |
1672 | goto end; | |
1673 | } | |
1674 | /* uid tracker */ | |
1675 | ret = list_tracker_ids(LTTNG_TRACKER_UID); | |
1676 | if (ret) { | |
1677 | goto end; | |
1678 | } | |
1679 | /* vuid tracker */ | |
1680 | ret = list_tracker_ids(LTTNG_TRACKER_VUID); | |
1681 | if (ret) { | |
1682 | goto end; | |
1683 | } | |
1684 | /* gid tracker */ | |
1685 | ret = list_tracker_ids(LTTNG_TRACKER_GID); | |
1686 | if (ret) { | |
1687 | goto end; | |
1688 | } | |
1689 | /* vgid tracker */ | |
1690 | ret = list_tracker_ids(LTTNG_TRACKER_VGID); | |
1691 | if (ret) { | |
1692 | goto end; | |
1693 | } | |
1694 | break; | |
1695 | case LTTNG_DOMAIN_UST: | |
1696 | /* vpid tracker */ | |
1697 | ret = list_tracker_ids(LTTNG_TRACKER_VPID); | |
1698 | if (ret) { | |
1699 | goto end; | |
1700 | } | |
1701 | /* vuid tracker */ | |
1702 | ret = list_tracker_ids(LTTNG_TRACKER_VUID); | |
1703 | if (ret) { | |
1704 | goto end; | |
1705 | } | |
1706 | /* vgid tracker */ | |
1707 | ret = list_tracker_ids(LTTNG_TRACKER_VGID); | |
1708 | if (ret) { | |
1709 | goto end; | |
1710 | } | |
1711 | break; | |
1712 | default: | |
1713 | break; | |
ebbf5ab7 | 1714 | } |
ebbf5ab7 JR |
1715 | if (lttng_opt_mi) { |
1716 | /* Close trackers element */ | |
1717 | ret = mi_lttng_writer_close_element(writer); | |
1718 | if (ret) { | |
1719 | goto end; | |
1720 | } | |
1721 | } | |
1722 | ||
1723 | end: | |
1724 | return ret; | |
a5dfbb9d MD |
1725 | } |
1726 | ||
66ea93b1 JG |
1727 | static enum cmd_error_code print_periodic_rotation_schedule( |
1728 | const struct lttng_rotation_schedule *schedule) | |
1729 | { | |
1730 | enum cmd_error_code ret; | |
1731 | enum lttng_rotation_status status; | |
1732 | uint64_t value; | |
1733 | ||
1734 | status = lttng_rotation_schedule_periodic_get_period(schedule, | |
1735 | &value); | |
1736 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1737 | ERR("Failed to retrieve period parameter from periodic rotation schedule."); | |
1738 | ret = CMD_ERROR; | |
1739 | goto end; | |
1740 | } | |
1741 | ||
2a1135fa | 1742 | MSG(" timer period: %" PRIu64" %s", value, USEC_UNIT); |
66ea93b1 JG |
1743 | ret = CMD_SUCCESS; |
1744 | end: | |
1745 | return ret; | |
1746 | } | |
1747 | ||
1748 | static enum cmd_error_code print_size_threshold_rotation_schedule( | |
1749 | const struct lttng_rotation_schedule *schedule) | |
1750 | { | |
1751 | enum cmd_error_code ret; | |
1752 | enum lttng_rotation_status status; | |
1753 | uint64_t value; | |
1754 | ||
1755 | status = lttng_rotation_schedule_size_threshold_get_threshold(schedule, | |
1756 | &value); | |
1757 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1758 | ERR("Failed to retrieve size parameter from size-based rotation schedule."); | |
1759 | ret = CMD_ERROR; | |
1760 | goto end; | |
1761 | } | |
1762 | ||
1763 | MSG(" size threshold: %" PRIu64" bytes", value); | |
66ea93b1 JG |
1764 | ret = CMD_SUCCESS; |
1765 | end: | |
1766 | return ret; | |
1767 | } | |
1768 | ||
1769 | static enum cmd_error_code print_rotation_schedule( | |
1770 | const struct lttng_rotation_schedule *schedule) | |
1771 | { | |
1772 | enum cmd_error_code ret; | |
1773 | ||
1774 | switch (lttng_rotation_schedule_get_type(schedule)) { | |
1775 | case LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD: | |
1776 | ret = print_size_threshold_rotation_schedule(schedule); | |
1777 | break; | |
1778 | case LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC: | |
1779 | ret = print_periodic_rotation_schedule(schedule); | |
1780 | break; | |
1781 | default: | |
1782 | ret = CMD_ERROR; | |
1783 | } | |
1784 | return ret; | |
1785 | } | |
1786 | ||
329f3443 | 1787 | /* |
66ea93b1 | 1788 | * List the automatic rotation settings. |
329f3443 | 1789 | */ |
66ea93b1 | 1790 | static enum cmd_error_code list_rotate_settings(const char *session_name) |
329f3443 JD |
1791 | { |
1792 | int ret; | |
66ea93b1 JG |
1793 | enum cmd_error_code cmd_ret = CMD_SUCCESS; |
1794 | unsigned int count, i; | |
1795 | struct lttng_rotation_schedules *schedules = NULL; | |
1796 | enum lttng_rotation_status status; | |
1797 | ||
1798 | ret = lttng_session_list_rotation_schedules(session_name, &schedules); | |
1799 | if (ret != LTTNG_OK) { | |
1800 | ERR("Failed to list session rotation schedules: %s", lttng_strerror(ret)); | |
1801 | cmd_ret = CMD_ERROR; | |
329f3443 JD |
1802 | goto end; |
1803 | } | |
1804 | ||
66ea93b1 JG |
1805 | status = lttng_rotation_schedules_get_count(schedules, &count); |
1806 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1807 | ERR("Failed to retrieve the number of session rotation schedules."); | |
1808 | cmd_ret = CMD_ERROR; | |
329f3443 JD |
1809 | goto end; |
1810 | } | |
1811 | ||
66ea93b1 JG |
1812 | if (count == 0) { |
1813 | cmd_ret = CMD_SUCCESS; | |
329f3443 JD |
1814 | goto end; |
1815 | } | |
1816 | ||
66ea93b1 JG |
1817 | MSG("Automatic rotation schedules:"); |
1818 | if (lttng_opt_mi) { | |
1819 | ret = mi_lttng_writer_open_element(writer, | |
1820 | mi_lttng_element_rotation_schedules); | |
1821 | if (ret) { | |
1822 | cmd_ret = CMD_ERROR; | |
1823 | goto end; | |
329f3443 JD |
1824 | } |
1825 | } | |
66ea93b1 JG |
1826 | |
1827 | for (i = 0; i < count; i++) { | |
1828 | enum cmd_error_code tmp_ret = CMD_SUCCESS; | |
1829 | const struct lttng_rotation_schedule *schedule; | |
1830 | ||
1831 | schedule = lttng_rotation_schedules_get_at_index(schedules, i); | |
1832 | if (!schedule) { | |
1833 | ERR("Failed to retrieve session rotation schedule."); | |
1834 | cmd_ret = CMD_ERROR; | |
1835 | goto end; | |
1836 | } | |
1837 | ||
329f3443 | 1838 | if (lttng_opt_mi) { |
66ea93b1 | 1839 | ret = mi_lttng_rotation_schedule(writer, schedule); |
329f3443 | 1840 | if (ret) { |
66ea93b1 | 1841 | tmp_ret = CMD_ERROR; |
329f3443 | 1842 | } |
66ea93b1 JG |
1843 | } else { |
1844 | tmp_ret = print_rotation_schedule(schedule); | |
329f3443 | 1845 | } |
66ea93b1 JG |
1846 | |
1847 | /* | |
1848 | * Report an error if the serialization of any of the | |
1849 | * descriptors failed. | |
1850 | */ | |
1851 | cmd_ret = cmd_ret ? cmd_ret : tmp_ret; | |
329f3443 | 1852 | } |
329f3443 | 1853 | |
66ea93b1 JG |
1854 | _MSG("\n"); |
1855 | if (lttng_opt_mi) { | |
1856 | /* Close the rotation_schedules element. */ | |
1857 | ret = mi_lttng_writer_close_element(writer); | |
1858 | if (ret) { | |
1859 | cmd_ret = CMD_ERROR; | |
1860 | goto end; | |
1861 | } | |
1862 | } | |
329f3443 | 1863 | end: |
66ea93b1 JG |
1864 | lttng_rotation_schedules_destroy(schedules); |
1865 | return cmd_ret; | |
329f3443 JD |
1866 | } |
1867 | ||
fb14d0d8 JR |
1868 | /* |
1869 | * Machine interface | |
1870 | * Find the session with session_name as name | |
1871 | * and print his informations. | |
1872 | */ | |
1873 | static int mi_list_session(const char *session_name, | |
1874 | struct lttng_session *sessions, int count) | |
1875 | { | |
1876 | int ret, i; | |
1877 | unsigned int session_found = 0; | |
1878 | ||
1879 | if (session_name == NULL) { | |
1880 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1881 | goto end; | |
1882 | } | |
1883 | ||
1884 | for (i = 0; i < count; i++) { | |
1885 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1886 | /* We need to leave it open to append other informations | |
1887 | * like domain, channel, events etc.*/ | |
1888 | session_found = 1; | |
1889 | ret = mi_lttng_session(writer, &sessions[i], 1); | |
1890 | if (ret) { | |
1891 | goto end; | |
1892 | } | |
9f19cc17 | 1893 | break; |
f3ed775e | 1894 | } |
f3ed775e DG |
1895 | } |
1896 | ||
fb14d0d8 JR |
1897 | if (!session_found) { |
1898 | ERR("Session '%s' not found", session_name); | |
1899 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1900 | goto end; | |
9f19cc17 | 1901 | } |
f3ed775e | 1902 | |
fb14d0d8 JR |
1903 | end: |
1904 | return ret; | |
1905 | } | |
f3ed775e | 1906 | |
fb14d0d8 JR |
1907 | /* |
1908 | * Machine interface | |
1909 | * List all availables session | |
1910 | */ | |
1911 | static int mi_list_sessions(struct lttng_session *sessions, int count) | |
1912 | { | |
1913 | int ret, i; | |
ae856491 | 1914 | |
fb14d0d8 JR |
1915 | /* Opening sessions element */ |
1916 | ret = mi_lttng_sessions_open(writer); | |
1917 | if (ret) { | |
1918 | goto end; | |
1919 | } | |
1920 | ||
1921 | /* Listing sessions */ | |
1922 | for (i = 0; i < count; i++) { | |
1923 | ret = mi_lttng_session(writer, &sessions[i], 0); | |
1924 | if (ret) { | |
1925 | goto end; | |
1926 | } | |
1927 | } | |
1928 | ||
1929 | /* Closing sessions element */ | |
1930 | ret = mi_lttng_writer_close_element(writer); | |
1931 | if (ret) { | |
1932 | goto end; | |
1933 | } | |
1934 | ||
1935 | end: | |
f3ed775e DG |
1936 | return ret; |
1937 | } | |
1938 | ||
1939 | /* | |
9f19cc17 | 1940 | * List available tracing session. List only basic information. |
f3ed775e | 1941 | * |
9f19cc17 | 1942 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 1943 | */ |
9f19cc17 | 1944 | static int list_sessions(const char *session_name) |
f3ed775e | 1945 | { |
fb14d0d8 JR |
1946 | int ret = CMD_SUCCESS; |
1947 | int count, i; | |
9f19cc17 | 1948 | unsigned int session_found = 0; |
aff0fa72 | 1949 | struct lttng_session *sessions = NULL; |
9f19cc17 DG |
1950 | |
1951 | count = lttng_list_sessions(&sessions); | |
1952 | DBG("Session count %d", count); | |
1953 | if (count < 0) { | |
fb14d0d8 JR |
1954 | ret = CMD_ERROR; |
1955 | ERR("%s", lttng_strerror(count)); | |
d32fb093 | 1956 | goto end; |
9f19cc17 DG |
1957 | } |
1958 | ||
fb14d0d8 JR |
1959 | if (lttng_opt_mi) { |
1960 | /* Mi */ | |
1961 | if (session_name == NULL) { | |
aff0fa72 | 1962 | /* List all sessions */ |
fb14d0d8 JR |
1963 | ret = mi_list_sessions(sessions, count); |
1964 | } else { | |
1965 | /* Note : this return an open session element */ | |
1966 | ret = mi_list_session(session_name, sessions, count); | |
1967 | } | |
1968 | if (ret) { | |
1969 | ret = CMD_ERROR; | |
aff0fa72 | 1970 | goto end; |
fb14d0d8 JR |
1971 | } |
1972 | } else { | |
1973 | /* Pretty print */ | |
1974 | if (count == 0) { | |
1975 | MSG("Currently no available tracing session"); | |
fb14d0d8 JR |
1976 | goto end; |
1977 | } | |
9f19cc17 | 1978 | |
fb14d0d8 JR |
1979 | if (session_name == NULL) { |
1980 | MSG("Available tracing sessions:"); | |
1981 | } | |
1982 | ||
fb14d0d8 JR |
1983 | for (i = 0; i < count; i++) { |
1984 | if (session_name != NULL) { | |
1985 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1986 | session_found = 1; | |
1987 | MSG("Tracing session %s: [%s%s]", session_name, | |
1988 | active_string(sessions[i].enabled), | |
1989 | snapshot_string(sessions[i].snapshot_mode)); | |
5b89fc92 JG |
1990 | if (*sessions[i].path) { |
1991 | MSG("%sTrace output: %s\n", indent4, sessions[i].path); | |
1992 | } | |
e50e81d3 JG |
1993 | memcpy(&listed_session, &sessions[i], |
1994 | sizeof(listed_session)); | |
fb14d0d8 JR |
1995 | break; |
1996 | } | |
1997 | } else { | |
5b89fc92 JG |
1998 | MSG(" %d) %s [%s%s]", i + 1, |
1999 | sessions[i].name, | |
2cbf8fed DG |
2000 | active_string(sessions[i].enabled), |
2001 | snapshot_string(sessions[i].snapshot_mode)); | |
5b89fc92 JG |
2002 | if (*sessions[i].path) { |
2003 | MSG("%sTrace output: %s", indent4, sessions[i].path); | |
2004 | } | |
fcbc96a2 | 2005 | if (sessions[i].live_timer_interval != 0) { |
5b89fc92 JG |
2006 | MSG("%sLive timer interval: %u %s", indent4, |
2007 | sessions[i].live_timer_interval, | |
2008 | USEC_UNIT); | |
fcbc96a2 JG |
2009 | } |
2010 | MSG(""); | |
9f19cc17 | 2011 | } |
fb14d0d8 JR |
2012 | } |
2013 | ||
2014 | if (!session_found && session_name != NULL) { | |
2015 | ERR("Session '%s' not found", session_name); | |
2016 | ret = CMD_ERROR; | |
aff0fa72 | 2017 | goto end; |
fb14d0d8 JR |
2018 | } |
2019 | ||
2020 | if (session_name == NULL) { | |
2021 | MSG("\nUse lttng list <session_name> for more details"); | |
9f19cc17 DG |
2022 | } |
2023 | } | |
2024 | ||
fb14d0d8 | 2025 | end: |
aff0fa72 | 2026 | free(sessions); |
fb14d0d8 JR |
2027 | return ret; |
2028 | } | |
9f19cc17 | 2029 | |
fb14d0d8 JR |
2030 | |
2031 | /* | |
2032 | * Machine Interface | |
2033 | * list available domain(s) for a session. | |
2034 | */ | |
2035 | static int mi_list_domains(struct lttng_domain *domains, int count) | |
2036 | { | |
2037 | int i, ret; | |
2038 | /* Open domains element */ | |
2039 | ret = mi_lttng_domains_open(writer); | |
2040 | if (ret) { | |
2041 | goto end; | |
9f19cc17 DG |
2042 | } |
2043 | ||
fb14d0d8 JR |
2044 | for (i = 0; i < count; i++) { |
2045 | ret = mi_lttng_domain(writer, &domains[i] , 0); | |
2046 | if (ret) { | |
2047 | goto end; | |
2048 | } | |
9f19cc17 | 2049 | } |
f3ed775e | 2050 | |
fb14d0d8 JR |
2051 | /* Closing domains element */ |
2052 | ret = mi_lttng_writer_close_element(writer); | |
2053 | if (ret) { | |
2054 | goto end; | |
2055 | } | |
d32fb093 | 2056 | end: |
f3ed775e DG |
2057 | return ret; |
2058 | } | |
f3ed775e DG |
2059 | |
2060 | /* | |
9f19cc17 | 2061 | * List available domain(s) for a session. |
f3ed775e | 2062 | */ |
330be774 | 2063 | static int list_domains(const char *session_name) |
f3ed775e | 2064 | { |
9f19cc17 DG |
2065 | int i, count, ret = CMD_SUCCESS; |
2066 | struct lttng_domain *domains = NULL; | |
2067 | ||
9f19cc17 | 2068 | |
330be774 | 2069 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 | 2070 | if (count < 0) { |
fb14d0d8 JR |
2071 | ret = CMD_ERROR; |
2072 | ERR("%s", lttng_strerror(count)); | |
9f19cc17 DG |
2073 | goto end; |
2074 | } | |
2075 | ||
fb14d0d8 JR |
2076 | if (lttng_opt_mi) { |
2077 | /* Mi output */ | |
2078 | ret = mi_list_domains(domains, count); | |
2079 | if (ret) { | |
2080 | ret = CMD_ERROR; | |
2081 | goto error; | |
2082 | } | |
2083 | } else { | |
2084 | /* Pretty print */ | |
2085 | MSG("Domains:\n-------------"); | |
2086 | if (count == 0) { | |
2087 | MSG(" None"); | |
2088 | goto end; | |
2089 | } | |
2090 | ||
2091 | for (i = 0; i < count; i++) { | |
2092 | switch (domains[i].type) { | |
2093 | case LTTNG_DOMAIN_KERNEL: | |
2094 | MSG(" - Kernel"); | |
2095 | break; | |
2096 | case LTTNG_DOMAIN_UST: | |
2097 | MSG(" - UST global"); | |
2098 | break; | |
2099 | case LTTNG_DOMAIN_JUL: | |
2100 | MSG(" - JUL (Java Util Logging)"); | |
2101 | break; | |
5cdb6027 DG |
2102 | case LTTNG_DOMAIN_LOG4J: |
2103 | MSG(" - LOG4j (Logging for Java)"); | |
2104 | break; | |
0e115563 DG |
2105 | case LTTNG_DOMAIN_PYTHON: |
2106 | MSG(" - Python (logging)"); | |
2107 | break; | |
fb14d0d8 JR |
2108 | default: |
2109 | break; | |
2110 | } | |
9f19cc17 DG |
2111 | } |
2112 | } | |
2113 | ||
fb14d0d8 | 2114 | error: |
9f19cc17 DG |
2115 | free(domains); |
2116 | ||
fb14d0d8 | 2117 | end: |
9f19cc17 | 2118 | return ret; |
f3ed775e | 2119 | } |
f3ed775e DG |
2120 | |
2121 | /* | |
9f19cc17 | 2122 | * The 'list <options>' first level command |
f3ed775e DG |
2123 | */ |
2124 | int cmd_list(int argc, const char **argv) | |
2125 | { | |
c617c0c6 | 2126 | int opt, ret = CMD_SUCCESS; |
68c7f6e5 | 2127 | const char *session_name, *leftover = NULL; |
f3ed775e | 2128 | static poptContext pc; |
9f19cc17 DG |
2129 | struct lttng_domain domain; |
2130 | struct lttng_domain *domains = NULL; | |
f3ed775e | 2131 | |
441c16a7 MD |
2132 | memset(&domain, 0, sizeof(domain)); |
2133 | ||
9f19cc17 | 2134 | if (argc < 1) { |
ca1c3607 | 2135 | ret = CMD_ERROR; |
f3ed775e DG |
2136 | goto end; |
2137 | } | |
2138 | ||
2139 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
2140 | poptReadDefaultConfig(pc, 0); | |
2141 | ||
2142 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
2143 | switch (opt) { | |
2144 | case OPT_HELP: | |
4ba92f18 | 2145 | SHOW_HELP(); |
f3ed775e | 2146 | goto end; |
eeac7d46 MD |
2147 | case OPT_USERSPACE: |
2148 | opt_userspace = 1; | |
eeac7d46 | 2149 | break; |
679b4943 SM |
2150 | case OPT_LIST_OPTIONS: |
2151 | list_cmd_options(stdout, long_options); | |
679b4943 | 2152 | goto end; |
f3ed775e | 2153 | default: |
f3ed775e DG |
2154 | ret = CMD_UNDEFINED; |
2155 | goto end; | |
2156 | } | |
2157 | } | |
2158 | ||
fb14d0d8 JR |
2159 | /* Mi check */ |
2160 | if (lttng_opt_mi) { | |
2161 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
2162 | if (!writer) { | |
2163 | ret = CMD_ERROR; | |
2164 | goto end; | |
2165 | } | |
2166 | ||
2167 | /* Open command element */ | |
2168 | ret = mi_lttng_writer_command_open(writer, | |
2169 | mi_lttng_element_command_list); | |
2170 | if (ret) { | |
2171 | ret = CMD_ERROR; | |
2172 | goto end; | |
2173 | } | |
2174 | ||
2175 | /* Open output element */ | |
2176 | ret = mi_lttng_writer_open_element(writer, | |
2177 | mi_lttng_element_command_output); | |
2178 | if (ret) { | |
2179 | ret = CMD_ERROR; | |
2180 | goto end; | |
2181 | } | |
2182 | } | |
2183 | ||
9f19cc17 DG |
2184 | /* Get session name (trailing argument) */ |
2185 | session_name = poptGetArg(pc); | |
b551a063 | 2186 | DBG2("Session name: %s", session_name); |
9f19cc17 | 2187 | |
68c7f6e5 JD |
2188 | leftover = poptGetArg(pc); |
2189 | if (leftover) { | |
2190 | ERR("Unknown argument: %s", leftover); | |
2191 | ret = CMD_ERROR; | |
2192 | goto end; | |
2193 | } | |
2194 | ||
cd80958d DG |
2195 | if (opt_kernel) { |
2196 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
2197 | } else if (opt_userspace) { |
2198 | DBG2("Listing userspace global domain"); | |
2199 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
2200 | } else if (opt_jul) { |
2201 | DBG2("Listing JUL domain"); | |
2202 | domain.type = LTTNG_DOMAIN_JUL; | |
edf60534 | 2203 | } else if (opt_log4j) { |
5cdb6027 | 2204 | domain.type = LTTNG_DOMAIN_LOG4J; |
0e115563 DG |
2205 | } else if (opt_python) { |
2206 | domain.type = LTTNG_DOMAIN_PYTHON; | |
cd80958d DG |
2207 | } |
2208 | ||
834978fd DG |
2209 | if (!opt_kernel && opt_syscall) { |
2210 | WARN("--syscall will only work with the Kernel domain (-k)"); | |
2211 | ret = CMD_ERROR; | |
2212 | goto end; | |
2213 | } | |
2214 | ||
0e115563 | 2215 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_python) { |
aa5de748 MD |
2216 | handle = lttng_create_handle(session_name, &domain); |
2217 | if (handle == NULL) { | |
2218 | ret = CMD_FATAL; | |
2219 | goto end; | |
2220 | } | |
cd80958d DG |
2221 | } |
2222 | ||
9f19cc17 | 2223 | if (session_name == NULL) { |
0e115563 DG |
2224 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j |
2225 | && !opt_python) { | |
b551a063 | 2226 | ret = list_sessions(NULL); |
fb14d0d8 | 2227 | if (ret) { |
b551a063 DG |
2228 | goto end; |
2229 | } | |
2230 | } | |
9f19cc17 | 2231 | if (opt_kernel) { |
834978fd DG |
2232 | if (opt_syscall) { |
2233 | ret = list_syscalls(); | |
2234 | if (ret) { | |
2235 | goto end; | |
2236 | } | |
2237 | } else { | |
2238 | ret = list_kernel_events(); | |
2239 | if (ret) { | |
2240 | goto end; | |
2241 | } | |
9f19cc17 | 2242 | } |
b551a063 DG |
2243 | } |
2244 | if (opt_userspace) { | |
f37d259d MD |
2245 | if (opt_fields) { |
2246 | ret = list_ust_event_fields(); | |
2247 | } else { | |
2248 | ret = list_ust_events(); | |
2249 | } | |
fb14d0d8 | 2250 | if (ret) { |
9f19cc17 DG |
2251 | goto end; |
2252 | } | |
2253 | } | |
0e115563 | 2254 | if (opt_jul || opt_log4j || opt_python) { |
5cdb6027 | 2255 | ret = list_agent_events(); |
fb14d0d8 | 2256 | if (ret) { |
3c6a091f DG |
2257 | goto end; |
2258 | } | |
2259 | } | |
9f19cc17 DG |
2260 | } else { |
2261 | /* List session attributes */ | |
fb14d0d8 JR |
2262 | if (lttng_opt_mi) { |
2263 | /* Open element sessions | |
2264 | * Present for xml consistency */ | |
2265 | ret = mi_lttng_sessions_open(writer); | |
2266 | if (ret) { | |
2267 | goto end; | |
2268 | } | |
2269 | } | |
2270 | /* MI: the ouptut of list_sessions is an unclosed session element */ | |
9f19cc17 | 2271 | ret = list_sessions(session_name); |
fb14d0d8 | 2272 | if (ret) { |
9f19cc17 DG |
2273 | goto end; |
2274 | } | |
2275 | ||
329f3443 JD |
2276 | ret = list_rotate_settings(session_name); |
2277 | if (ret) { | |
2278 | goto end; | |
2279 | } | |
2280 | ||
9f19cc17 DG |
2281 | /* Domain listing */ |
2282 | if (opt_domain) { | |
330be774 | 2283 | ret = list_domains(session_name); |
9f19cc17 DG |
2284 | goto end; |
2285 | } | |
2286 | ||
fb14d0d8 | 2287 | /* Channel listing */ |
1c3de747 | 2288 | if (opt_kernel || opt_userspace) { |
fb14d0d8 JR |
2289 | if (lttng_opt_mi) { |
2290 | /* Add of domains and domain element for xml | |
2291 | * consistency and validation | |
2292 | */ | |
2293 | ret = mi_lttng_domains_open(writer); | |
2294 | if (ret) { | |
2295 | goto end; | |
2296 | } | |
2297 | ||
2298 | /* Open domain and leave it open for | |
2299 | * nested channels printing */ | |
2300 | ret = mi_lttng_domain(writer, &domain, 1); | |
2301 | if (ret) { | |
2302 | goto end; | |
2303 | } | |
2304 | ||
2305 | } | |
2306 | ||
ebbf5ab7 JR |
2307 | |
2308 | /* Trackers */ | |
83d6d6c4 | 2309 | ret = list_trackers(&domain); |
a5dfbb9d MD |
2310 | if (ret) { |
2311 | goto end; | |
2312 | } | |
2313 | ||
ebbf5ab7 | 2314 | /* Channels */ |
cd80958d | 2315 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
2316 | if (ret) { |
2317 | goto end; | |
2318 | } | |
2319 | ||
2320 | if (lttng_opt_mi) { | |
2321 | /* Close domain and domain element */ | |
2322 | ret = mi_lttng_close_multi_element(writer, 2); | |
2323 | } | |
2324 | if (ret) { | |
9f19cc17 DG |
2325 | goto end; |
2326 | } | |
fb14d0d8 JR |
2327 | |
2328 | ||
9f19cc17 | 2329 | } else { |
c617c0c6 MD |
2330 | int i, nb_domain; |
2331 | ||
9f19cc17 | 2332 | /* We want all domain(s) */ |
330be774 | 2333 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 2334 | if (nb_domain < 0) { |
fb14d0d8 JR |
2335 | ret = CMD_ERROR; |
2336 | ERR("%s", lttng_strerror(nb_domain)); | |
9f19cc17 DG |
2337 | goto end; |
2338 | } | |
2339 | ||
fb14d0d8 JR |
2340 | if (lttng_opt_mi) { |
2341 | ret = mi_lttng_domains_open(writer); | |
2342 | if (ret) { | |
2343 | ret = CMD_ERROR; | |
2344 | goto end; | |
2345 | } | |
2346 | } | |
2347 | ||
b551a063 | 2348 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
2349 | switch (domains[i].type) { |
2350 | case LTTNG_DOMAIN_KERNEL: | |
2351 | MSG("=== Domain: Kernel ===\n"); | |
2352 | break; | |
b551a063 DG |
2353 | case LTTNG_DOMAIN_UST: |
2354 | MSG("=== Domain: UST global ===\n"); | |
88c5f0d8 DG |
2355 | MSG("Buffer type: %s\n", |
2356 | domains[i].buf_type == | |
2357 | LTTNG_BUFFER_PER_PID ? "per PID" : "per UID"); | |
b551a063 | 2358 | break; |
3c6a091f DG |
2359 | case LTTNG_DOMAIN_JUL: |
2360 | MSG("=== Domain: JUL (Java Util Logging) ===\n"); | |
2361 | break; | |
5cdb6027 DG |
2362 | case LTTNG_DOMAIN_LOG4J: |
2363 | MSG("=== Domain: LOG4j (Logging for Java) ===\n"); | |
2364 | break; | |
0e115563 DG |
2365 | case LTTNG_DOMAIN_PYTHON: |
2366 | MSG("=== Domain: Python (logging) ===\n"); | |
2367 | break; | |
9f19cc17 DG |
2368 | default: |
2369 | MSG("=== Domain: Unimplemented ===\n"); | |
2370 | break; | |
2371 | } | |
2372 | ||
fb14d0d8 JR |
2373 | if (lttng_opt_mi) { |
2374 | ret = mi_lttng_domain(writer, &domains[i], 1); | |
2375 | if (ret) { | |
2376 | ret = CMD_ERROR; | |
2377 | goto end; | |
2378 | } | |
2379 | } | |
2380 | ||
cd80958d | 2381 | /* Clean handle before creating a new one */ |
aa5de748 MD |
2382 | if (handle) { |
2383 | lttng_destroy_handle(handle); | |
2384 | } | |
cd80958d DG |
2385 | |
2386 | handle = lttng_create_handle(session_name, &domains[i]); | |
2387 | if (handle == NULL) { | |
ca1c3607 | 2388 | ret = CMD_FATAL; |
cd80958d DG |
2389 | goto end; |
2390 | } | |
2391 | ||
5cdb6027 | 2392 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
0e115563 DG |
2393 | domains[i].type == LTTNG_DOMAIN_LOG4J || |
2394 | domains[i].type == LTTNG_DOMAIN_PYTHON) { | |
5cdb6027 | 2395 | ret = list_session_agent_events(); |
fb14d0d8 | 2396 | if (ret) { |
3c6a091f DG |
2397 | goto end; |
2398 | } | |
cd7b2927 PP |
2399 | |
2400 | goto next_domain; | |
3c6a091f | 2401 | } |
a5dfbb9d MD |
2402 | |
2403 | switch (domains[i].type) { | |
2404 | case LTTNG_DOMAIN_KERNEL: | |
2405 | case LTTNG_DOMAIN_UST: | |
83d6d6c4 | 2406 | ret = list_trackers(&domains[i]); |
a5dfbb9d MD |
2407 | if (ret) { |
2408 | goto end; | |
2409 | } | |
2410 | break; | |
2411 | default: | |
2412 | break; | |
2413 | } | |
3c6a091f | 2414 | |
cd80958d | 2415 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
2416 | if (ret) { |
2417 | goto end; | |
2418 | } | |
2419 | ||
cd7b2927 | 2420 | next_domain: |
fb14d0d8 JR |
2421 | if (lttng_opt_mi) { |
2422 | /* Close domain element */ | |
2423 | ret = mi_lttng_writer_close_element(writer); | |
2424 | if (ret) { | |
2425 | ret = CMD_ERROR; | |
2426 | goto end; | |
2427 | } | |
2428 | } | |
2429 | ||
2430 | } | |
2431 | if (lttng_opt_mi) { | |
2432 | /* Close the domains, session and sessions element */ | |
2433 | ret = mi_lttng_close_multi_element(writer, 3); | |
2434 | if (ret) { | |
2435 | ret = CMD_ERROR; | |
9f19cc17 DG |
2436 | goto end; |
2437 | } | |
2438 | } | |
2439 | } | |
f3ed775e DG |
2440 | } |
2441 | ||
fb14d0d8 JR |
2442 | /* Mi closing */ |
2443 | if (lttng_opt_mi) { | |
2444 | /* Close output element */ | |
2445 | ret = mi_lttng_writer_close_element(writer); | |
2446 | if (ret) { | |
2447 | ret = CMD_ERROR; | |
2448 | goto end; | |
2449 | } | |
2450 | ||
2451 | /* Command element close */ | |
2452 | ret = mi_lttng_writer_command_close(writer); | |
2453 | if (ret) { | |
2454 | ret = CMD_ERROR; | |
2455 | goto end; | |
2456 | } | |
2457 | } | |
f3ed775e | 2458 | end: |
fb14d0d8 JR |
2459 | /* Mi clean-up */ |
2460 | if (writer && mi_lttng_writer_destroy(writer)) { | |
2461 | /* Preserve original error code */ | |
2462 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
2463 | } | |
2464 | ||
0e428499 | 2465 | free(domains); |
aa5de748 MD |
2466 | if (handle) { |
2467 | lttng_destroy_handle(handle); | |
2468 | } | |
cd80958d | 2469 | |
ca1c3607 | 2470 | poptFreeContext(pc); |
f3ed775e DG |
2471 | return ret; |
2472 | } |