Commit | Line | Data |
---|---|---|
f3ed775e DG |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
d14d33bf AM |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License, version 2 only, | |
6 | * as published by the Free Software Foundation. | |
f3ed775e DG |
7 | * |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
d14d33bf AM |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
f3ed775e DG |
16 | */ |
17 | ||
6c1c0768 | 18 | #define _LGPL_SOURCE |
9f19cc17 | 19 | #include <inttypes.h> |
f3ed775e DG |
20 | #include <popt.h> |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
7a3d1328 | 24 | #include <assert.h> |
f3ed775e | 25 | |
fb14d0d8 | 26 | #include <common/mi-lttng.h> |
fae9a062 | 27 | #include <lttng/constant.h> |
fb14d0d8 | 28 | |
c399183f | 29 | #include "../command.h" |
f3ed775e | 30 | |
9f19cc17 DG |
31 | static int opt_userspace; |
32 | static int opt_kernel; | |
3c6a091f | 33 | static int opt_jul; |
5cdb6027 | 34 | static int opt_log4j; |
0e115563 | 35 | static int opt_python; |
9f19cc17 DG |
36 | static char *opt_channel; |
37 | static int opt_domain; | |
f37d259d | 38 | static int opt_fields; |
834978fd | 39 | static int opt_syscall; |
9f19cc17 DG |
40 | |
41 | const char *indent4 = " "; | |
42 | const char *indent6 = " "; | |
43 | const char *indent8 = " "; | |
f3ed775e | 44 | |
4fc83d94 PP |
45 | #ifdef LTTNG_EMBED_HELP |
46 | static const char help_msg[] = | |
47 | #include <lttng-list.1.h> | |
48 | ; | |
49 | #endif | |
50 | ||
f3ed775e DG |
51 | enum { |
52 | OPT_HELP = 1, | |
eeac7d46 | 53 | OPT_USERSPACE, |
679b4943 | 54 | OPT_LIST_OPTIONS, |
f3ed775e DG |
55 | }; |
56 | ||
cd80958d | 57 | static struct lttng_handle *handle; |
fb14d0d8 | 58 | static struct mi_writer *writer; |
cd80958d | 59 | |
e50e81d3 JG |
60 | /* Only set when listing a single session. */ |
61 | static struct lttng_session listed_session; | |
62 | ||
f3ed775e DG |
63 | static struct poptOption long_options[] = { |
64 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
2fa605f7 JG |
65 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, |
66 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, | |
67 | {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0}, | |
68 | {"log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0}, | |
69 | {"python", 'p', POPT_ARG_VAL, &opt_python, 1, 0, 0}, | |
70 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, | |
71 | {"channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0}, | |
72 | {"domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0}, | |
73 | {"fields", 'f', POPT_ARG_VAL, &opt_fields, 1, 0, 0}, | |
74 | {"syscall", 'S', POPT_ARG_VAL, &opt_syscall, 1, 0, 0}, | |
679b4943 | 75 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
f3ed775e DG |
76 | {0, 0, 0, 0, 0, 0, 0} |
77 | }; | |
78 | ||
f3ed775e | 79 | /* |
9f19cc17 | 80 | * Get command line from /proc for a specific pid. |
f3ed775e | 81 | * |
9f19cc17 DG |
82 | * On success, return an allocated string pointer to the proc cmdline. |
83 | * On error, return NULL. | |
f3ed775e DG |
84 | */ |
85 | static char *get_cmdline_by_pid(pid_t pid) | |
86 | { | |
87 | int ret; | |
1ad31aec | 88 | FILE *fp = NULL; |
f3ed775e | 89 | char *cmdline = NULL; |
fae9a062 JG |
90 | /* Can't go bigger than /proc/LTTNG_MAX_PID/cmdline */ |
91 | char path[sizeof("/proc//cmdline") + sizeof(LTTNG_MAX_PID_STR) - 1]; | |
f3ed775e DG |
92 | |
93 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); | |
94 | fp = fopen(path, "r"); | |
95 | if (fp == NULL) { | |
96 | goto end; | |
97 | } | |
98 | ||
99 | /* Caller must free() *cmdline */ | |
63a2c1bd | 100 | cmdline = zmalloc(PATH_MAX); |
f6962219 | 101 | if (!cmdline) { |
6f04ed72 | 102 | PERROR("malloc cmdline"); |
f6962219 JG |
103 | goto end; |
104 | } | |
f3ed775e | 105 | ret = fread(cmdline, 1, PATH_MAX, fp); |
f40799e8 | 106 | if (ret < 0) { |
6f04ed72 | 107 | PERROR("fread proc list"); |
f40799e8 | 108 | } |
f3ed775e DG |
109 | |
110 | end: | |
1ad31aec DG |
111 | if (fp) { |
112 | fclose(fp); | |
113 | } | |
f3ed775e DG |
114 | return cmdline; |
115 | } | |
b551a063 | 116 | |
464dd62d MD |
117 | static |
118 | const char *active_string(int value) | |
119 | { | |
120 | switch (value) { | |
2cbf8fed DG |
121 | case 0: return "inactive"; |
122 | case 1: return "active"; | |
464dd62d MD |
123 | case -1: return ""; |
124 | default: return NULL; | |
125 | } | |
126 | } | |
127 | ||
2cbf8fed DG |
128 | static const char *snapshot_string(int value) |
129 | { | |
130 | switch (value) { | |
131 | case 1: | |
132 | return " snapshot"; | |
133 | default: | |
134 | return ""; | |
135 | } | |
136 | } | |
137 | ||
464dd62d MD |
138 | static |
139 | const char *enabled_string(int value) | |
140 | { | |
141 | switch (value) { | |
b09f0429 MD |
142 | case 0: return " [disabled]"; |
143 | case 1: return " [enabled]"; | |
464dd62d MD |
144 | case -1: return ""; |
145 | default: return NULL; | |
146 | } | |
147 | } | |
148 | ||
fceb65df | 149 | static |
7b4a95b1 | 150 | const char *safe_string(const char *str) |
fceb65df | 151 | { |
7b4a95b1 | 152 | return str ? str : ""; |
4634f12e JI |
153 | } |
154 | ||
1f0e17de DG |
155 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
156 | { | |
157 | switch (value) { | |
af6bce80 DG |
158 | case LTTNG_EVENT_LOGLEVEL_ALL: |
159 | return ":"; | |
1f0e17de | 160 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
af6bce80 | 161 | return " <="; |
1f0e17de | 162 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
af6bce80 | 163 | return " =="; |
1f0e17de | 164 | default: |
af6bce80 | 165 | return " <<TYPE UNKN>>"; |
1f0e17de DG |
166 | } |
167 | } | |
168 | ||
834978fd DG |
169 | static const char *bitness_event(enum lttng_event_flag flags) |
170 | { | |
171 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_32) { | |
172 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
173 | return " [32/64-bit]"; | |
174 | } else { | |
175 | return " [32-bit]"; | |
176 | } | |
177 | } else if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
178 | return " [64-bit]"; | |
179 | } else { | |
180 | return ""; | |
181 | } | |
182 | } | |
183 | ||
7b4a95b1 PP |
184 | /* |
185 | * Get exclusion names message for a single event. | |
186 | * | |
187 | * Returned pointer must be freed by caller. Returns NULL on error. | |
188 | */ | |
189 | static char *get_exclusion_names_msg(struct lttng_event *event) | |
190 | { | |
191 | int ret; | |
192 | int exclusion_count; | |
193 | char *exclusion_msg = NULL; | |
194 | char *at; | |
7b4a95b1 PP |
195 | size_t i; |
196 | const char * const exclusion_fmt = " [exclusions: "; | |
19ed7632 | 197 | const size_t exclusion_fmt_len = strlen(exclusion_fmt); |
7b4a95b1 PP |
198 | |
199 | exclusion_count = lttng_event_get_exclusion_name_count(event); | |
200 | if (exclusion_count < 0) { | |
201 | goto end; | |
202 | } else if (exclusion_count == 0) { | |
203 | /* | |
204 | * No exclusions: return copy of empty string so that | |
205 | * it can be freed by caller. | |
206 | */ | |
207 | exclusion_msg = strdup(""); | |
208 | goto end; | |
209 | } | |
210 | ||
211 | /* | |
212 | * exclusion_msg's size is bounded by the exclusion_fmt string, | |
213 | * a comma per entry, the entry count (fixed-size), a closing | |
214 | * bracket, and a trailing \0. | |
215 | */ | |
216 | exclusion_msg = malloc(exclusion_count + | |
217 | exclusion_count * LTTNG_SYMBOL_NAME_LEN + | |
19ed7632 | 218 | exclusion_fmt_len + 1); |
7b4a95b1 PP |
219 | if (!exclusion_msg) { |
220 | goto end; | |
221 | } | |
222 | ||
19ed7632 | 223 | at = strcpy(exclusion_msg, exclusion_fmt) + exclusion_fmt_len; |
7b4a95b1 PP |
224 | for (i = 0; i < exclusion_count; ++i) { |
225 | const char *name; | |
226 | ||
227 | /* Append comma between exclusion names */ | |
228 | if (i > 0) { | |
229 | *at = ','; | |
230 | at++; | |
231 | } | |
232 | ||
233 | ret = lttng_event_get_exclusion_name(event, i, &name); | |
234 | if (ret) { | |
235 | /* Prints '?' on local error; should never happen */ | |
236 | *at = '?'; | |
237 | at++; | |
238 | continue; | |
239 | } | |
240 | ||
241 | /* Append exclusion name */ | |
31e40170 | 242 | at += sprintf(at, "%s", name); |
7b4a95b1 PP |
243 | } |
244 | ||
245 | /* This also puts a final '\0' at the end of exclusion_msg */ | |
19ed7632 | 246 | strcpy(at, "]"); |
7b4a95b1 PP |
247 | |
248 | end: | |
249 | return exclusion_msg; | |
250 | } | |
251 | ||
b551a063 DG |
252 | /* |
253 | * Pretty print single event. | |
254 | */ | |
255 | static void print_events(struct lttng_event *event) | |
256 | { | |
4adbcc72 PP |
257 | int ret; |
258 | const char *filter_str; | |
259 | char *filter_msg = NULL; | |
7b4a95b1 | 260 | char *exclusion_msg = NULL; |
4adbcc72 | 261 | |
134e72ed | 262 | ret = lttng_event_get_filter_expression(event, &filter_str); |
4adbcc72 PP |
263 | |
264 | if (ret) { | |
265 | filter_msg = strdup(" [failed to retrieve filter]"); | |
266 | } else if (filter_str) { | |
267 | const char * const filter_fmt = " [filter: '%s']"; | |
268 | ||
269 | filter_msg = malloc(strlen(filter_str) + | |
270 | strlen(filter_fmt) + 1); | |
271 | if (filter_msg) { | |
272 | sprintf(filter_msg, filter_fmt, | |
273 | filter_str); | |
274 | } | |
275 | } | |
276 | ||
7b4a95b1 PP |
277 | exclusion_msg = get_exclusion_names_msg(event); |
278 | if (!exclusion_msg) { | |
279 | exclusion_msg = strdup(" [failed to retrieve exclusions]"); | |
280 | } | |
281 | ||
b551a063 DG |
282 | switch (event->type) { |
283 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 284 | { |
8b703175 | 285 | if (event->loglevel != -1) { |
af6bce80 | 286 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
8b703175 | 287 | indent6, |
81afa345 | 288 | event->name, |
1f0e17de | 289 | logleveltype_string(event->loglevel_type), |
970d848b | 290 | mi_lttng_loglevel_string(event->loglevel, handle->domain.type), |
8b703175 | 291 | event->loglevel, |
fceb65df | 292 | enabled_string(event->enabled), |
7b4a95b1 PP |
293 | safe_string(exclusion_msg), |
294 | safe_string(filter_msg)); | |
8b703175 | 295 | } else { |
4634f12e | 296 | MSG("%s%s (type: tracepoint)%s%s%s", |
8b703175 MD |
297 | indent6, |
298 | event->name, | |
fceb65df | 299 | enabled_string(event->enabled), |
7b4a95b1 PP |
300 | safe_string(exclusion_msg), |
301 | safe_string(filter_msg)); | |
8b703175 | 302 | } |
b551a063 | 303 | break; |
e4baff1e | 304 | } |
1896972b DG |
305 | case LTTNG_EVENT_FUNCTION: |
306 | MSG("%s%s (type: function)%s%s", indent6, | |
307 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 308 | safe_string(filter_msg)); |
1896972b DG |
309 | if (event->attr.probe.addr != 0) { |
310 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
311 | } else { | |
312 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
313 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
314 | } | |
315 | break; | |
b551a063 | 316 | case LTTNG_EVENT_PROBE: |
fceb65df MD |
317 | MSG("%s%s (type: probe)%s%s", indent6, |
318 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 319 | safe_string(filter_msg)); |
b551a063 DG |
320 | if (event->attr.probe.addr != 0) { |
321 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
322 | } else { | |
323 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
324 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
325 | } | |
326 | break; | |
b551a063 | 327 | case LTTNG_EVENT_FUNCTION_ENTRY: |
fceb65df MD |
328 | MSG("%s%s (type: function)%s%s", indent6, |
329 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 330 | safe_string(filter_msg)); |
b551a063 DG |
331 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
332 | break; | |
333 | case LTTNG_EVENT_SYSCALL: | |
2199ad66 | 334 | MSG("%s%s%s%s%s%s", indent6, event->name, |
834978fd | 335 | (opt_syscall ? "" : " (type:syscall)"), |
fceb65df | 336 | enabled_string(event->enabled), |
2199ad66 JG |
337 | bitness_event(event->flags), |
338 | safe_string(filter_msg)); | |
b551a063 DG |
339 | break; |
340 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
341 | MSG("%s (type: noop)%s%s", indent6, |
342 | enabled_string(event->enabled), | |
7b4a95b1 | 343 | safe_string(filter_msg)); |
b551a063 DG |
344 | break; |
345 | case LTTNG_EVENT_ALL: | |
410b78a0 FD |
346 | /* Fall-through. */ |
347 | default: | |
b551a063 DG |
348 | /* We should never have "all" events in list. */ |
349 | assert(0); | |
350 | break; | |
351 | } | |
4adbcc72 PP |
352 | |
353 | free(filter_msg); | |
7b4a95b1 | 354 | free(exclusion_msg); |
b551a063 DG |
355 | } |
356 | ||
f37d259d MD |
357 | static const char *field_type(struct lttng_event_field *field) |
358 | { | |
359 | switch(field->type) { | |
360 | case LTTNG_EVENT_FIELD_INTEGER: | |
361 | return "integer"; | |
362 | case LTTNG_EVENT_FIELD_ENUM: | |
363 | return "enum"; | |
364 | case LTTNG_EVENT_FIELD_FLOAT: | |
365 | return "float"; | |
366 | case LTTNG_EVENT_FIELD_STRING: | |
367 | return "string"; | |
368 | case LTTNG_EVENT_FIELD_OTHER: | |
369 | default: /* fall-through */ | |
370 | return "unknown"; | |
371 | } | |
372 | } | |
373 | ||
374 | /* | |
375 | * Pretty print single event fields. | |
376 | */ | |
377 | static void print_event_field(struct lttng_event_field *field) | |
378 | { | |
379 | if (!field->field_name[0]) { | |
380 | return; | |
381 | } | |
d8fbe2a9 | 382 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 383 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
384 | } |
385 | ||
fb14d0d8 JR |
386 | /* |
387 | * Machine interface | |
388 | * Jul and ust event listing | |
389 | */ | |
5cdb6027 | 390 | static int mi_list_agent_ust_events(struct lttng_event *events, int count, |
fb14d0d8 JR |
391 | struct lttng_domain *domain) |
392 | { | |
393 | int ret, i; | |
394 | pid_t cur_pid = 0; | |
395 | char *cmdline = NULL; | |
396 | int pid_element_open = 0; | |
397 | ||
398 | /* Open domains element */ | |
399 | ret = mi_lttng_domains_open(writer); | |
400 | if (ret) { | |
401 | goto end; | |
402 | } | |
403 | ||
404 | /* Write domain */ | |
405 | ret = mi_lttng_domain(writer, domain, 1); | |
406 | if (ret) { | |
407 | goto end; | |
408 | } | |
409 | ||
bf239d4c JR |
410 | /* Open pids element element */ |
411 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
412 | if (ret) { |
413 | goto end; | |
414 | } | |
415 | ||
416 | for (i = 0; i < count; i++) { | |
417 | if (cur_pid != events[i].pid) { | |
418 | if (pid_element_open) { | |
2e9aecb9 | 419 | /* Close the previous events and pid element */ |
fb14d0d8 JR |
420 | ret = mi_lttng_close_multi_element(writer, 2); |
421 | if (ret) { | |
422 | goto end; | |
423 | } | |
424 | pid_element_open = 0; | |
425 | } | |
426 | ||
427 | cur_pid = events[i].pid; | |
428 | cmdline = get_cmdline_by_pid(cur_pid); | |
429 | if (!cmdline) { | |
430 | ret = CMD_ERROR; | |
431 | goto end; | |
432 | } | |
433 | ||
434 | if (!pid_element_open) { | |
435 | /* Open and write a pid element */ | |
bf239d4c | 436 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); |
fb14d0d8 JR |
437 | if (ret) { |
438 | goto error; | |
439 | } | |
440 | ||
441 | /* Open events element */ | |
442 | ret = mi_lttng_events_open(writer); | |
443 | if (ret) { | |
444 | goto error; | |
445 | } | |
446 | ||
447 | pid_element_open = 1; | |
448 | } | |
449 | free(cmdline); | |
450 | } | |
451 | ||
452 | /* Write an event */ | |
970d848b | 453 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
454 | if (ret) { |
455 | goto end; | |
456 | } | |
457 | } | |
458 | ||
bf239d4c | 459 | /* Close pids */ |
fb14d0d8 JR |
460 | ret = mi_lttng_writer_close_element(writer); |
461 | if (ret) { | |
462 | goto end; | |
463 | } | |
464 | ||
465 | /* Close domain, domains */ | |
466 | ret = mi_lttng_close_multi_element(writer, 2); | |
467 | end: | |
468 | return ret; | |
469 | error: | |
470 | free(cmdline); | |
471 | return ret; | |
472 | } | |
473 | ||
5cdb6027 | 474 | static int list_agent_events(void) |
3c6a091f | 475 | { |
fb14d0d8 | 476 | int i, size, ret = CMD_SUCCESS; |
3c6a091f | 477 | struct lttng_domain domain; |
26c610c9 | 478 | struct lttng_handle *handle = NULL; |
469b972b | 479 | struct lttng_event *event_list = NULL; |
3c6a091f DG |
480 | pid_t cur_pid = 0; |
481 | char *cmdline = NULL; | |
5cdb6027 | 482 | const char *agent_domain_str; |
3c6a091f DG |
483 | |
484 | memset(&domain, 0, sizeof(domain)); | |
5cdb6027 DG |
485 | if (opt_jul) { |
486 | domain.type = LTTNG_DOMAIN_JUL; | |
487 | } else if (opt_log4j) { | |
488 | domain.type = LTTNG_DOMAIN_LOG4J; | |
0e115563 DG |
489 | } else if (opt_python) { |
490 | domain.type = LTTNG_DOMAIN_PYTHON; | |
26c610c9 JG |
491 | } else { |
492 | ERR("Invalid agent domain selected."); | |
493 | ret = CMD_ERROR; | |
494 | goto error; | |
5cdb6027 DG |
495 | } |
496 | ||
497 | agent_domain_str = get_domain_str(domain.type); | |
498 | ||
499 | DBG("Getting %s tracing events", agent_domain_str); | |
3c6a091f DG |
500 | |
501 | handle = lttng_create_handle(NULL, &domain); | |
502 | if (handle == NULL) { | |
fb14d0d8 JR |
503 | ret = CMD_ERROR; |
504 | goto end; | |
3c6a091f DG |
505 | } |
506 | ||
507 | size = lttng_list_tracepoints(handle, &event_list); | |
508 | if (size < 0) { | |
5cdb6027 DG |
509 | ERR("Unable to list %s events: %s", agent_domain_str, |
510 | lttng_strerror(size)); | |
fb14d0d8 JR |
511 | ret = CMD_ERROR; |
512 | goto end; | |
3c6a091f DG |
513 | } |
514 | ||
fb14d0d8 JR |
515 | if (lttng_opt_mi) { |
516 | /* Mi print */ | |
5cdb6027 | 517 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
518 | if (ret) { |
519 | ret = CMD_ERROR; | |
520 | goto error; | |
3c6a091f | 521 | } |
fb14d0d8 JR |
522 | } else { |
523 | /* Pretty print */ | |
5cdb6027 DG |
524 | MSG("%s events (Logger name):\n-------------------------", |
525 | agent_domain_str); | |
3c6a091f | 526 | |
fb14d0d8 JR |
527 | if (size == 0) { |
528 | MSG("None"); | |
529 | } | |
3c6a091f | 530 | |
fb14d0d8 JR |
531 | for (i = 0; i < size; i++) { |
532 | if (cur_pid != event_list[i].pid) { | |
533 | cur_pid = event_list[i].pid; | |
534 | cmdline = get_cmdline_by_pid(cur_pid); | |
535 | if (cmdline == NULL) { | |
536 | ret = CMD_ERROR; | |
537 | goto error; | |
538 | } | |
539 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
540 | free(cmdline); | |
541 | } | |
542 | MSG("%s- %s", indent6, event_list[i].name); | |
543 | } | |
3c6a091f | 544 | |
fb14d0d8 JR |
545 | MSG(""); |
546 | } | |
3c6a091f DG |
547 | |
548 | error: | |
fb14d0d8 JR |
549 | free(event_list); |
550 | end: | |
3c6a091f | 551 | lttng_destroy_handle(handle); |
fb14d0d8 | 552 | return ret; |
3c6a091f DG |
553 | } |
554 | ||
b551a063 DG |
555 | /* |
556 | * Ask session daemon for all user space tracepoints available. | |
557 | */ | |
558 | static int list_ust_events(void) | |
559 | { | |
fb14d0d8 | 560 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
561 | struct lttng_domain domain; |
562 | struct lttng_handle *handle; | |
bec97646 | 563 | struct lttng_event *event_list = NULL; |
b551a063 | 564 | pid_t cur_pid = 0; |
ea5cbc00 | 565 | char *cmdline = NULL; |
b551a063 | 566 | |
441c16a7 MD |
567 | memset(&domain, 0, sizeof(domain)); |
568 | ||
b551a063 DG |
569 | DBG("Getting UST tracing events"); |
570 | ||
571 | domain.type = LTTNG_DOMAIN_UST; | |
572 | ||
573 | handle = lttng_create_handle(NULL, &domain); | |
574 | if (handle == NULL) { | |
fb14d0d8 JR |
575 | ret = CMD_ERROR; |
576 | goto end; | |
b551a063 DG |
577 | } |
578 | ||
579 | size = lttng_list_tracepoints(handle, &event_list); | |
580 | if (size < 0) { | |
60e835ca | 581 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
fb14d0d8 JR |
582 | ret = CMD_ERROR; |
583 | goto error; | |
b551a063 DG |
584 | } |
585 | ||
fb14d0d8 JR |
586 | if (lttng_opt_mi) { |
587 | /* Mi print */ | |
5cdb6027 | 588 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
589 | } else { |
590 | /* Pretty print */ | |
591 | MSG("UST events:\n-------------"); | |
592 | ||
593 | if (size == 0) { | |
594 | MSG("None"); | |
595 | } | |
596 | ||
597 | for (i = 0; i < size; i++) { | |
598 | if (cur_pid != event_list[i].pid) { | |
599 | cur_pid = event_list[i].pid; | |
600 | cmdline = get_cmdline_by_pid(cur_pid); | |
601 | if (cmdline == NULL) { | |
602 | ret = CMD_ERROR; | |
603 | goto error; | |
604 | } | |
605 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
606 | free(cmdline); | |
607 | } | |
608 | print_events(&event_list[i]); | |
609 | } | |
b551a063 | 610 | |
fb14d0d8 | 611 | MSG(""); |
b551a063 DG |
612 | } |
613 | ||
fb14d0d8 JR |
614 | error: |
615 | free(event_list); | |
616 | end: | |
617 | lttng_destroy_handle(handle); | |
618 | return ret; | |
619 | } | |
620 | ||
621 | /* | |
622 | * Machine interface | |
623 | * List all ust event with their fields | |
624 | */ | |
625 | static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count, | |
626 | struct lttng_domain *domain) | |
627 | { | |
628 | int ret, i; | |
629 | pid_t cur_pid = 0; | |
630 | char *cmdline = NULL; | |
631 | int pid_element_open = 0; | |
632 | int event_element_open = 0; | |
633 | struct lttng_event cur_event; | |
634 | ||
d113fbc8 JR |
635 | memset(&cur_event, 0, sizeof(cur_event)); |
636 | ||
fb14d0d8 JR |
637 | /* Open domains element */ |
638 | ret = mi_lttng_domains_open(writer); | |
639 | if (ret) { | |
640 | goto end; | |
641 | } | |
642 | ||
643 | /* Write domain */ | |
644 | ret = mi_lttng_domain(writer, domain, 1); | |
645 | if (ret) { | |
646 | goto end; | |
647 | } | |
648 | ||
bf239d4c JR |
649 | /* Open pids element */ |
650 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
651 | if (ret) { |
652 | goto end; | |
653 | } | |
654 | ||
655 | for (i = 0; i < count; i++) { | |
656 | if (cur_pid != fields[i].event.pid) { | |
657 | if (pid_element_open) { | |
658 | if (event_element_open) { | |
485ca16f | 659 | /* Close the previous field element and event. */ |
fb14d0d8 JR |
660 | ret = mi_lttng_close_multi_element(writer, 2); |
661 | if (ret) { | |
662 | goto end; | |
663 | } | |
664 | event_element_open = 0; | |
665 | } | |
666 | /* Close the previous events, pid element */ | |
667 | ret = mi_lttng_close_multi_element(writer, 2); | |
668 | if (ret) { | |
669 | goto end; | |
670 | } | |
671 | pid_element_open = 0; | |
672 | } | |
673 | ||
674 | cur_pid = fields[i].event.pid; | |
ea5cbc00 | 675 | cmdline = get_cmdline_by_pid(cur_pid); |
fb14d0d8 | 676 | if (!pid_element_open) { |
bf239d4c JR |
677 | /* Open and write a pid element */ |
678 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); | |
fb14d0d8 JR |
679 | if (ret) { |
680 | goto error; | |
681 | } | |
682 | ||
683 | /* Open events element */ | |
684 | ret = mi_lttng_events_open(writer); | |
685 | if (ret) { | |
686 | goto error; | |
687 | } | |
688 | pid_element_open = 1; | |
689 | } | |
ea5cbc00 | 690 | free(cmdline); |
fb14d0d8 JR |
691 | /* Wipe current event since we are about to print a new PID. */ |
692 | memset(&cur_event, 0, sizeof(cur_event)); | |
b551a063 | 693 | } |
b551a063 | 694 | |
fb14d0d8 JR |
695 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
696 | if (event_element_open) { | |
697 | /* Close the previous fields element and the previous event */ | |
698 | ret = mi_lttng_close_multi_element(writer, 2); | |
699 | if (ret) { | |
700 | goto end; | |
701 | } | |
702 | event_element_open = 0; | |
703 | } | |
704 | ||
705 | memcpy(&cur_event, &fields[i].event, | |
706 | sizeof(cur_event)); | |
b551a063 | 707 | |
fb14d0d8 JR |
708 | if (!event_element_open) { |
709 | /* Open and write the event */ | |
970d848b DG |
710 | ret = mi_lttng_event(writer, &cur_event, 1, |
711 | handle->domain.type); | |
fb14d0d8 JR |
712 | if (ret) { |
713 | goto end; | |
714 | } | |
715 | ||
716 | /* Open a fields element */ | |
717 | ret = mi_lttng_event_fields_open(writer); | |
718 | if (ret) { | |
719 | goto end; | |
720 | } | |
721 | event_element_open = 1; | |
722 | } | |
723 | } | |
b551a063 | 724 | |
fb14d0d8 JR |
725 | /* Print the event_field */ |
726 | ret = mi_lttng_event_field(writer, &fields[i]); | |
727 | if (ret) { | |
728 | goto end; | |
729 | } | |
730 | } | |
b551a063 | 731 | |
bf239d4c | 732 | /* Close pid, domain, domains */ |
fb14d0d8 JR |
733 | ret = mi_lttng_close_multi_element(writer, 3); |
734 | end: | |
735 | return ret; | |
b551a063 | 736 | error: |
fb14d0d8 JR |
737 | free(cmdline); |
738 | return ret; | |
b551a063 | 739 | } |
f3ed775e | 740 | |
f37d259d MD |
741 | /* |
742 | * Ask session daemon for all user space tracepoint fields available. | |
743 | */ | |
744 | static int list_ust_event_fields(void) | |
745 | { | |
fb14d0d8 | 746 | int i, size, ret = CMD_SUCCESS; |
f37d259d MD |
747 | struct lttng_domain domain; |
748 | struct lttng_handle *handle; | |
749 | struct lttng_event_field *event_field_list; | |
750 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
751 | char *cmdline = NULL; |
752 | ||
f37d259d MD |
753 | struct lttng_event cur_event; |
754 | ||
755 | memset(&domain, 0, sizeof(domain)); | |
756 | memset(&cur_event, 0, sizeof(cur_event)); | |
757 | ||
758 | DBG("Getting UST tracing event fields"); | |
759 | ||
760 | domain.type = LTTNG_DOMAIN_UST; | |
761 | ||
762 | handle = lttng_create_handle(NULL, &domain); | |
763 | if (handle == NULL) { | |
fb14d0d8 JR |
764 | ret = CMD_ERROR; |
765 | goto end; | |
f37d259d MD |
766 | } |
767 | ||
768 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
769 | if (size < 0) { | |
60e835ca | 770 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
fb14d0d8 JR |
771 | ret = CMD_ERROR; |
772 | goto end; | |
f37d259d MD |
773 | } |
774 | ||
fb14d0d8 JR |
775 | if (lttng_opt_mi) { |
776 | /* Mi print */ | |
777 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); | |
778 | if (ret) { | |
779 | ret = CMD_ERROR; | |
780 | goto error; | |
781 | } | |
782 | } else { | |
783 | /* Pretty print */ | |
784 | MSG("UST events:\n-------------"); | |
f37d259d | 785 | |
fb14d0d8 JR |
786 | if (size == 0) { |
787 | MSG("None"); | |
f37d259d | 788 | } |
fb14d0d8 JR |
789 | |
790 | for (i = 0; i < size; i++) { | |
791 | if (cur_pid != event_field_list[i].event.pid) { | |
792 | cur_pid = event_field_list[i].event.pid; | |
793 | cmdline = get_cmdline_by_pid(cur_pid); | |
794 | if (cmdline == NULL) { | |
795 | ret = CMD_ERROR; | |
796 | goto error; | |
797 | } | |
798 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
799 | free(cmdline); | |
800 | /* Wipe current event since we are about to print a new PID. */ | |
801 | memset(&cur_event, 0, sizeof(cur_event)); | |
802 | } | |
803 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
804 | print_events(&event_field_list[i].event); | |
805 | memcpy(&cur_event, &event_field_list[i].event, | |
806 | sizeof(cur_event)); | |
807 | } | |
808 | print_event_field(&event_field_list[i]); | |
f37d259d | 809 | } |
f37d259d | 810 | |
fb14d0d8 JR |
811 | MSG(""); |
812 | } | |
f37d259d | 813 | |
fb14d0d8 | 814 | error: |
f37d259d | 815 | free(event_field_list); |
fb14d0d8 | 816 | end: |
f37d259d | 817 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
818 | return ret; |
819 | } | |
f37d259d | 820 | |
fb14d0d8 JR |
821 | /* |
822 | * Machine interface | |
823 | * Print a list of kernel events | |
824 | */ | |
825 | static int mi_list_kernel_events(struct lttng_event *events, int count, | |
826 | struct lttng_domain *domain) | |
827 | { | |
828 | int ret, i; | |
f37d259d | 829 | |
fb14d0d8 JR |
830 | /* Open domains element */ |
831 | ret = mi_lttng_domains_open(writer); | |
832 | if (ret) { | |
833 | goto end; | |
834 | } | |
835 | ||
836 | /* Write domain */ | |
837 | ret = mi_lttng_domain(writer, domain, 1); | |
838 | if (ret) { | |
839 | goto end; | |
840 | } | |
841 | ||
842 | /* Open events */ | |
843 | ret = mi_lttng_events_open(writer); | |
844 | if (ret) { | |
845 | goto end; | |
846 | } | |
847 | ||
848 | for (i = 0; i < count; i++) { | |
970d848b | 849 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
850 | if (ret) { |
851 | goto end; | |
852 | } | |
853 | } | |
854 | ||
855 | /* close events, domain and domains */ | |
856 | ret = mi_lttng_close_multi_element(writer, 3); | |
857 | if (ret) { | |
858 | goto end; | |
859 | } | |
860 | ||
861 | end: | |
862 | return ret; | |
f37d259d MD |
863 | } |
864 | ||
f3ed775e | 865 | /* |
fb14d0d8 | 866 | * Ask for all trace events in the kernel |
f3ed775e | 867 | */ |
9f19cc17 | 868 | static int list_kernel_events(void) |
f3ed775e | 869 | { |
fb14d0d8 | 870 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
871 | struct lttng_domain domain; |
872 | struct lttng_handle *handle; | |
9f19cc17 | 873 | struct lttng_event *event_list; |
f3ed775e | 874 | |
441c16a7 MD |
875 | memset(&domain, 0, sizeof(domain)); |
876 | ||
b551a063 DG |
877 | DBG("Getting kernel tracing events"); |
878 | ||
879 | domain.type = LTTNG_DOMAIN_KERNEL; | |
880 | ||
881 | handle = lttng_create_handle(NULL, &domain); | |
882 | if (handle == NULL) { | |
fb14d0d8 | 883 | ret = CMD_ERROR; |
b551a063 DG |
884 | goto error; |
885 | } | |
f3ed775e | 886 | |
cd80958d | 887 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 888 | if (size < 0) { |
60e835ca | 889 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 890 | lttng_destroy_handle(handle); |
fb14d0d8 | 891 | return CMD_ERROR; |
f3ed775e DG |
892 | } |
893 | ||
fb14d0d8 JR |
894 | if (lttng_opt_mi) { |
895 | /* Mi print */ | |
896 | ret = mi_list_kernel_events(event_list, size, &domain); | |
897 | if (ret) { | |
898 | ret = CMD_ERROR; | |
899 | goto end; | |
900 | } | |
901 | } else { | |
902 | MSG("Kernel events:\n-------------"); | |
f3ed775e | 903 | |
fb14d0d8 JR |
904 | for (i = 0; i < size; i++) { |
905 | print_events(&event_list[i]); | |
906 | } | |
f3ed775e | 907 | |
fb14d0d8 JR |
908 | MSG(""); |
909 | } | |
b551a063 | 910 | |
fb14d0d8 | 911 | end: |
f3ed775e DG |
912 | free(event_list); |
913 | ||
ef021732 | 914 | lttng_destroy_handle(handle); |
fb14d0d8 | 915 | return ret; |
b551a063 DG |
916 | |
917 | error: | |
ef021732 | 918 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
919 | return ret; |
920 | } | |
921 | ||
834978fd DG |
922 | /* |
923 | * Machine interface | |
924 | * Print a list of system calls. | |
925 | */ | |
926 | static int mi_list_syscalls(struct lttng_event *events, int count) | |
927 | { | |
928 | int ret, i; | |
929 | ||
930 | /* Open events */ | |
931 | ret = mi_lttng_events_open(writer); | |
932 | if (ret) { | |
933 | goto end; | |
934 | } | |
935 | ||
936 | for (i = 0; i < count; i++) { | |
970d848b | 937 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
834978fd DG |
938 | if (ret) { |
939 | goto end; | |
940 | } | |
941 | } | |
942 | ||
943 | /* Close events. */ | |
944 | ret = mi_lttng_writer_close_element(writer); | |
945 | if (ret) { | |
946 | goto end; | |
947 | } | |
948 | ||
949 | end: | |
950 | return ret; | |
951 | } | |
952 | ||
953 | /* | |
954 | * Ask for kernel system calls. | |
955 | */ | |
956 | static int list_syscalls(void) | |
957 | { | |
958 | int i, size, ret = CMD_SUCCESS; | |
959 | struct lttng_event *event_list; | |
960 | ||
961 | DBG("Getting kernel system call events"); | |
962 | ||
963 | size = lttng_list_syscalls(&event_list); | |
964 | if (size < 0) { | |
965 | ERR("Unable to list system calls: %s", lttng_strerror(size)); | |
966 | ret = CMD_ERROR; | |
967 | goto error; | |
968 | } | |
969 | ||
970 | if (lttng_opt_mi) { | |
971 | /* Mi print */ | |
972 | ret = mi_list_syscalls(event_list, size); | |
973 | if (ret) { | |
974 | ret = CMD_ERROR; | |
975 | goto end; | |
976 | } | |
977 | } else { | |
978 | MSG("System calls:\n-------------"); | |
979 | ||
980 | for (i = 0; i < size; i++) { | |
981 | print_events(&event_list[i]); | |
982 | } | |
983 | ||
984 | MSG(""); | |
985 | } | |
986 | ||
987 | end: | |
988 | free(event_list); | |
989 | return ret; | |
990 | ||
991 | error: | |
992 | return ret; | |
993 | } | |
994 | ||
fb14d0d8 JR |
995 | /* |
996 | * Machine Interface | |
5cdb6027 | 997 | * Print a list of agent events |
fb14d0d8 | 998 | */ |
5cdb6027 | 999 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
fb14d0d8 JR |
1000 | { |
1001 | int ret, i; | |
1002 | ||
1003 | /* Open events element */ | |
1004 | ret = mi_lttng_events_open(writer); | |
1005 | if (ret) { | |
1006 | goto end; | |
1007 | } | |
1008 | ||
1009 | for (i = 0; i < count; i++) { | |
970d848b | 1010 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1011 | if (ret) { |
1012 | goto end; | |
1013 | } | |
1014 | } | |
1015 | ||
1016 | /* Close events element */ | |
1017 | ret = mi_lttng_writer_close_element(writer); | |
1018 | ||
1019 | end: | |
1020 | return ret; | |
f3ed775e DG |
1021 | } |
1022 | ||
3c6a091f | 1023 | /* |
5cdb6027 | 1024 | * List agent events for a specific session using the handle. |
3c6a091f DG |
1025 | * |
1026 | * Return CMD_SUCCESS on success else a negative value. | |
1027 | */ | |
5cdb6027 | 1028 | static int list_session_agent_events(void) |
3c6a091f | 1029 | { |
fb14d0d8 | 1030 | int ret = CMD_SUCCESS, count, i; |
3c6a091f DG |
1031 | struct lttng_event *events = NULL; |
1032 | ||
1033 | count = lttng_list_events(handle, "", &events); | |
1034 | if (count < 0) { | |
fb14d0d8 JR |
1035 | ret = CMD_ERROR; |
1036 | ERR("%s", lttng_strerror(count)); | |
3c6a091f DG |
1037 | goto error; |
1038 | } | |
1039 | ||
fb14d0d8 JR |
1040 | if (lttng_opt_mi) { |
1041 | /* Mi print */ | |
5cdb6027 | 1042 | ret = mi_list_session_agent_events(events, count); |
fb14d0d8 JR |
1043 | if (ret) { |
1044 | ret = CMD_ERROR; | |
1045 | goto end; | |
1046 | } | |
1047 | } else { | |
1048 | /* Pretty print */ | |
1049 | MSG("Events (Logger name):\n---------------------"); | |
1050 | if (count == 0) { | |
1051 | MSG("%sNone\n", indent6); | |
1052 | goto end; | |
1053 | } | |
1054 | ||
1055 | for (i = 0; i < count; i++) { | |
9a890ce8 JG |
1056 | const char *filter_str; |
1057 | char *filter_msg = NULL; | |
1058 | struct lttng_event *event = &events[i]; | |
1059 | ||
134e72ed JG |
1060 | ret = lttng_event_get_filter_expression(event, |
1061 | &filter_str); | |
9a890ce8 JG |
1062 | if (ret) { |
1063 | filter_msg = strdup(" [failed to retrieve filter]"); | |
1064 | } else if (filter_str) { | |
1065 | const char * const filter_fmt = | |
1066 | " [filter: '%s']"; | |
1067 | ||
1068 | filter_msg = malloc(strlen(filter_str) + | |
1069 | strlen(filter_fmt) + 1); | |
1070 | if (filter_msg) { | |
00505bae JG |
1071 | sprintf(filter_msg, filter_fmt, |
1072 | filter_str); | |
9a890ce8 JG |
1073 | } |
1074 | } | |
1075 | ||
1076 | if (event->loglevel_type != | |
755066c2 | 1077 | LTTNG_EVENT_LOGLEVEL_ALL) { |
9a890ce8 JG |
1078 | MSG("%s- %s%s (loglevel%s %s)%s", indent4, |
1079 | event->name, | |
1080 | enabled_string(event->enabled), | |
755066c2 | 1081 | logleveltype_string( |
9a890ce8 | 1082 | event->loglevel_type), |
755066c2 | 1083 | mi_lttng_loglevel_string( |
9a890ce8 JG |
1084 | event->loglevel, |
1085 | handle->domain.type), | |
7b4a95b1 | 1086 | safe_string(filter_msg)); |
755066c2 | 1087 | } else { |
9a890ce8 JG |
1088 | MSG("%s- %s%s%s", indent4, event->name, |
1089 | enabled_string(event->enabled), | |
7b4a95b1 | 1090 | safe_string(filter_msg)); |
755066c2 | 1091 | } |
9a890ce8 | 1092 | free(filter_msg); |
fb14d0d8 JR |
1093 | } |
1094 | ||
1095 | MSG(""); | |
1096 | } | |
1097 | ||
1098 | end: | |
1099 | free(events); | |
1100 | error: | |
1101 | return ret; | |
1102 | } | |
1103 | ||
1104 | /* | |
1105 | * Machine interface | |
1106 | * print a list of event | |
1107 | */ | |
1108 | static int mi_list_events(struct lttng_event *events, int count) | |
1109 | { | |
1110 | int ret, i; | |
1111 | ||
1112 | /* Open events element */ | |
1113 | ret = mi_lttng_events_open(writer); | |
1114 | if (ret) { | |
3c6a091f DG |
1115 | goto end; |
1116 | } | |
1117 | ||
1118 | for (i = 0; i < count; i++) { | |
970d848b | 1119 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1120 | if (ret) { |
1121 | goto end; | |
1122 | } | |
3c6a091f DG |
1123 | } |
1124 | ||
fb14d0d8 JR |
1125 | /* Close events element */ |
1126 | ret = mi_lttng_writer_close_element(writer); | |
3c6a091f DG |
1127 | |
1128 | end: | |
3c6a091f DG |
1129 | return ret; |
1130 | } | |
1131 | ||
f3ed775e | 1132 | /* |
9f19cc17 | 1133 | * List events of channel of session and domain. |
f3ed775e | 1134 | */ |
cd80958d | 1135 | static int list_events(const char *channel_name) |
f3ed775e | 1136 | { |
fb14d0d8 | 1137 | int ret = CMD_SUCCESS, count, i; |
9f19cc17 | 1138 | struct lttng_event *events = NULL; |
f3ed775e | 1139 | |
cd80958d | 1140 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e | 1141 | if (count < 0) { |
fb14d0d8 JR |
1142 | ret = CMD_ERROR; |
1143 | ERR("%s", lttng_strerror(count)); | |
f3ed775e DG |
1144 | goto error; |
1145 | } | |
1146 | ||
fb14d0d8 JR |
1147 | if (lttng_opt_mi) { |
1148 | /* Mi print */ | |
1149 | ret = mi_list_events(events, count); | |
1150 | if (ret) { | |
1151 | ret = CMD_ERROR; | |
1152 | goto end; | |
1153 | } | |
1154 | } else { | |
1155 | /* Pretty print */ | |
f3b3a67b | 1156 | MSG("\n%sEvent rules:", indent4); |
fb14d0d8 JR |
1157 | if (count == 0) { |
1158 | MSG("%sNone\n", indent6); | |
1159 | goto end; | |
1160 | } | |
f3ed775e | 1161 | |
fb14d0d8 JR |
1162 | for (i = 0; i < count; i++) { |
1163 | print_events(&events[i]); | |
1164 | } | |
f3ed775e | 1165 | |
fb14d0d8 JR |
1166 | MSG(""); |
1167 | } | |
9f19cc17 | 1168 | end: |
0e428499 | 1169 | free(events); |
f3ed775e DG |
1170 | error: |
1171 | return ret; | |
1172 | } | |
1173 | ||
f3b3a67b JG |
1174 | static |
1175 | void print_timer(const char *timer_name, uint32_t space_count, int64_t value) | |
1176 | { | |
1177 | uint32_t i; | |
1178 | ||
1179 | _MSG("%s%s:", indent6, timer_name); | |
1180 | for (i = 0; i < space_count; i++) { | |
1181 | _MSG(" "); | |
1182 | } | |
1183 | ||
1184 | if (value) { | |
1185 | MSG("%" PRId64 " µs", value); | |
1186 | } else { | |
1187 | MSG("inactive"); | |
1188 | } | |
1189 | } | |
1190 | ||
f3ed775e | 1191 | /* |
9f19cc17 DG |
1192 | * Pretty print channel |
1193 | */ | |
1194 | static void print_channel(struct lttng_channel *channel) | |
1195 | { | |
fb83fe64 | 1196 | int ret; |
cf0bcb51 | 1197 | uint64_t discarded_events, lost_packets, monitor_timer_interval; |
491d1539 | 1198 | int64_t blocking_timeout; |
fb83fe64 JD |
1199 | |
1200 | ret = lttng_channel_get_discarded_event_count(channel, | |
1201 | &discarded_events); | |
1202 | if (ret) { | |
1203 | ERR("Failed to retrieve discarded event count of channel"); | |
1204 | return; | |
1205 | } | |
1206 | ||
1207 | ret = lttng_channel_get_lost_packet_count(channel, | |
1208 | &lost_packets); | |
1209 | if (ret) { | |
1210 | ERR("Failed to retrieve lost packet count of channel"); | |
1211 | return; | |
1212 | } | |
1213 | ||
cf0bcb51 JG |
1214 | ret = lttng_channel_get_monitor_timer_interval(channel, |
1215 | &monitor_timer_interval); | |
1216 | if (ret) { | |
1217 | ERR("Failed to retrieve monitor interval of channel"); | |
1218 | return; | |
1219 | } | |
1220 | ||
491d1539 MD |
1221 | ret = lttng_channel_get_blocking_timeout(channel, |
1222 | &blocking_timeout); | |
1223 | if (ret) { | |
1224 | ERR("Failed to retrieve blocking timeout of channel"); | |
1225 | return; | |
1226 | } | |
1227 | ||
464dd62d | 1228 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 | 1229 | MSG("%sAttributes:", indent4); |
f3b3a67b JG |
1230 | MSG("%sEvent-loss mode: %s", indent6, channel->attr.overwrite ? "overwrite" : "discard"); |
1231 | MSG("%sSub-buffer size: %" PRIu64 " bytes", indent6, channel->attr.subbuf_size); | |
1232 | MSG("%sSub-buffer count: %" PRIu64, indent6, channel->attr.num_subbuf); | |
1233 | ||
1234 | print_timer("Switch timer", 5, channel->attr.switch_timer_interval); | |
1235 | print_timer("Read timer", 7, channel->attr.read_timer_interval); | |
1236 | print_timer("Monitor timer", 4, monitor_timer_interval); | |
1237 | ||
1238 | if (!channel->attr.overwrite) { | |
1239 | if (blocking_timeout == -1) { | |
1240 | MSG("%sBlocking timeout: infinite", indent6); | |
1241 | } else { | |
1242 | MSG("%sBlocking timeout: %" PRId64 " µs", indent6, blocking_timeout); | |
1243 | } | |
1244 | } | |
1245 | ||
1246 | MSG("%sTrace file count: %" PRIu64 " per stream", indent6, | |
1247 | channel->attr.tracefile_count == 0 ? | |
1248 | 1 : channel->attr.tracefile_count); | |
1249 | if (channel->attr.tracefile_size != 0 ) { | |
1250 | MSG("%sTrace file size: %" PRIu64 " bytes", indent6, | |
1251 | channel->attr.tracefile_size); | |
1252 | } else { | |
1253 | MSG("%sTrace file size: %s", indent6, "unlimited"); | |
1254 | } | |
9f19cc17 DG |
1255 | switch (channel->attr.output) { |
1256 | case LTTNG_EVENT_SPLICE: | |
f3b3a67b | 1257 | MSG("%sOutput mode: splice", indent6); |
9f19cc17 DG |
1258 | break; |
1259 | case LTTNG_EVENT_MMAP: | |
f3b3a67b | 1260 | MSG("%sOutput mode: mmap", indent6); |
9f19cc17 DG |
1261 | break; |
1262 | } | |
e50e81d3 | 1263 | |
f3b3a67b JG |
1264 | MSG("\n%sStatistics:", indent4); |
1265 | if (listed_session.snapshot_mode) { | |
e50e81d3 JG |
1266 | /* |
1267 | * The lost packet count is omitted for sessions in snapshot | |
1268 | * mode as it is misleading: it would indicate the number of | |
1269 | * packets that the consumer could not extract during the | |
1270 | * course of recording the snapshot. It does not have the | |
1271 | * same meaning as the "regular" lost packet count that | |
1272 | * would result from the consumer not keeping up with | |
1273 | * event production in an overwrite-mode channel. | |
1274 | * | |
1275 | * A more interesting statistic would be the number of | |
1276 | * packets lost between the first and last extracted | |
1277 | * packets of a given snapshot (which prevents most analyses). | |
1278 | */ | |
f3b3a67b | 1279 | MSG("%sNone", indent6); |
e50e81d3 JG |
1280 | goto skip_stats_printing; |
1281 | } | |
1282 | ||
1283 | if (!channel->attr.overwrite) { | |
f3b3a67b | 1284 | MSG("%sDiscarded events: %" PRIu64, indent6, discarded_events); |
e50e81d3 | 1285 | } else { |
f3b3a67b | 1286 | MSG("%sLost packets: %" PRIu64, indent6, lost_packets); |
e50e81d3 JG |
1287 | } |
1288 | skip_stats_printing: | |
1289 | return; | |
9f19cc17 DG |
1290 | } |
1291 | ||
fb14d0d8 JR |
1292 | /* |
1293 | * Machine interface | |
1294 | * Print a list of channel | |
1295 | * | |
1296 | */ | |
1297 | static int mi_list_channels(struct lttng_channel *channels, int count, | |
1298 | const char *channel_name) | |
1299 | { | |
1300 | int i, ret; | |
1301 | unsigned int chan_found = 0; | |
1302 | ||
1303 | /* Open channels element */ | |
1304 | ret = mi_lttng_channels_open(writer); | |
1305 | if (ret) { | |
1306 | goto error; | |
1307 | } | |
1308 | ||
1309 | for (i = 0; i < count; i++) { | |
1310 | if (channel_name != NULL) { | |
1311 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1312 | chan_found = 1; | |
1313 | } else { | |
1314 | continue; | |
1315 | } | |
1316 | } | |
1317 | ||
1318 | /* Write channel element and leave it open */ | |
1319 | ret = mi_lttng_channel(writer, &channels[i], 1); | |
1320 | if (ret) { | |
1321 | goto error; | |
1322 | } | |
1323 | ||
1324 | /* Listing events per channel */ | |
1325 | ret = list_events(channels[i].name); | |
1326 | if (ret) { | |
1327 | goto error; | |
1328 | } | |
1329 | ||
1330 | /* Closing the channel element we opened earlier */ | |
1331 | ret = mi_lttng_writer_close_element(writer); | |
1332 | if (ret) { | |
1333 | goto error; | |
1334 | } | |
1335 | ||
1336 | if (chan_found) { | |
1337 | break; | |
1338 | } | |
1339 | } | |
1340 | ||
1341 | /* Close channels element */ | |
1342 | ret = mi_lttng_writer_close_element(writer); | |
1343 | if (ret) { | |
1344 | goto error; | |
1345 | } | |
1346 | ||
1347 | error: | |
1348 | return ret; | |
1349 | } | |
1350 | ||
9f19cc17 DG |
1351 | /* |
1352 | * List channel(s) of session and domain. | |
f3ed775e | 1353 | * |
9f19cc17 | 1354 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 1355 | */ |
cd80958d | 1356 | static int list_channels(const char *channel_name) |
f3ed775e | 1357 | { |
9f19cc17 DG |
1358 | int count, i, ret = CMD_SUCCESS; |
1359 | unsigned int chan_found = 0; | |
1360 | struct lttng_channel *channels = NULL; | |
f3ed775e | 1361 | |
3e25cb20 | 1362 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 1363 | |
cd80958d | 1364 | count = lttng_list_channels(handle, &channels); |
f3ed775e | 1365 | if (count < 0) { |
c7d620a2 DG |
1366 | switch (-count) { |
1367 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
fb14d0d8 JR |
1368 | if (lttng_opt_mi) { |
1369 | /* When printing mi this is not an error | |
1370 | * but an empty channels element */ | |
1371 | count = 0; | |
1372 | } else { | |
1373 | ret = CMD_SUCCESS; | |
1374 | WARN("No kernel channel"); | |
1375 | goto error_channels; | |
1376 | } | |
c7d620a2 DG |
1377 | break; |
1378 | default: | |
1379 | /* We had a real error */ | |
fb14d0d8 JR |
1380 | ret = CMD_ERROR; |
1381 | ERR("%s", lttng_strerror(count)); | |
1382 | goto error_channels; | |
60e835ca | 1383 | break; |
c7d620a2 | 1384 | } |
f3ed775e DG |
1385 | } |
1386 | ||
fb14d0d8 JR |
1387 | if (lttng_opt_mi) { |
1388 | /* Mi print */ | |
1389 | ret = mi_list_channels(channels, count, channel_name); | |
1390 | if (ret) { | |
1391 | ret = CMD_ERROR; | |
1392 | goto error; | |
1393 | } | |
1394 | } else { | |
1395 | /* Pretty print */ | |
ade7ce52 | 1396 | if (count) { |
fb14d0d8 JR |
1397 | MSG("Channels:\n-------------"); |
1398 | } | |
9f19cc17 | 1399 | |
fb14d0d8 JR |
1400 | for (i = 0; i < count; i++) { |
1401 | if (channel_name != NULL) { | |
1402 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1403 | chan_found = 1; | |
1404 | } else { | |
1405 | continue; | |
1406 | } | |
1407 | } | |
1408 | print_channel(&channels[i]); | |
1409 | ||
1410 | /* Listing events per channel */ | |
1411 | ret = list_events(channels[i].name); | |
1412 | if (ret) { | |
1413 | goto error; | |
1414 | } | |
1415 | ||
1416 | if (chan_found) { | |
1417 | break; | |
9f19cc17 DG |
1418 | } |
1419 | } | |
9f19cc17 | 1420 | |
fb14d0d8 JR |
1421 | if (!chan_found && channel_name != NULL) { |
1422 | ret = CMD_ERROR; | |
1423 | ERR("Channel %s not found", channel_name); | |
1424 | goto error; | |
9f19cc17 | 1425 | } |
fb14d0d8 JR |
1426 | } |
1427 | error: | |
1428 | free(channels); | |
9f19cc17 | 1429 | |
fb14d0d8 JR |
1430 | error_channels: |
1431 | return ret; | |
1432 | } | |
1433 | ||
a5dfbb9d MD |
1434 | /* |
1435 | * List tracker PID(s) of session and domain. | |
1436 | */ | |
1437 | static int list_tracker_pids(void) | |
1438 | { | |
ebbf5ab7 JR |
1439 | int ret = 0; |
1440 | int enabled; | |
a5dfbb9d | 1441 | int *pids = NULL; |
6223570f | 1442 | size_t nr_pids; |
a5dfbb9d MD |
1443 | |
1444 | ret = lttng_list_tracker_pids(handle, | |
1445 | &enabled, &pids, &nr_pids); | |
1446 | if (ret) { | |
1447 | return ret; | |
1448 | } | |
a5dfbb9d | 1449 | if (enabled) { |
6223570f JG |
1450 | int i; |
1451 | _MSG("PID tracker: ["); | |
a5dfbb9d | 1452 | |
ebbf5ab7 JR |
1453 | /* Mi tracker_pid element*/ |
1454 | if (writer) { | |
1455 | /* Open tracker_pid and targets elements */ | |
1456 | ret = mi_lttng_pid_tracker_open(writer); | |
1457 | if (ret) { | |
1458 | goto end; | |
1459 | } | |
1460 | } | |
1461 | ||
a5dfbb9d MD |
1462 | for (i = 0; i < nr_pids; i++) { |
1463 | if (i) { | |
1464 | _MSG(","); | |
1465 | } | |
1466 | _MSG(" %d", pids[i]); | |
ebbf5ab7 JR |
1467 | |
1468 | /* Mi */ | |
1469 | if (writer) { | |
1470 | ret = mi_lttng_pid_target(writer, pids[i], 0); | |
1471 | if (ret) { | |
1472 | goto end; | |
1473 | } | |
1474 | } | |
a5dfbb9d | 1475 | } |
6223570f | 1476 | _MSG(" ]\n\n"); |
ebbf5ab7 JR |
1477 | |
1478 | /* Mi close tracker_pid and targets */ | |
1479 | if (writer) { | |
1480 | ret = mi_lttng_close_multi_element(writer,2); | |
1481 | if (ret) { | |
1482 | goto end; | |
1483 | } | |
1484 | } | |
a5dfbb9d | 1485 | } |
ebbf5ab7 | 1486 | end: |
a5dfbb9d | 1487 | free(pids); |
ebbf5ab7 JR |
1488 | return ret; |
1489 | ||
1490 | } | |
1491 | ||
1492 | /* | |
1493 | * List all tracker of a domain | |
1494 | */ | |
1495 | static int list_trackers(void) | |
1496 | { | |
1497 | int ret; | |
1498 | ||
1499 | /* Trackers listing */ | |
1500 | if (lttng_opt_mi) { | |
1501 | ret = mi_lttng_trackers_open(writer); | |
1502 | if (ret) { | |
1503 | goto end; | |
1504 | } | |
1505 | } | |
1506 | ||
1507 | /* pid tracker */ | |
1508 | ret = list_tracker_pids(); | |
1509 | if (ret) { | |
1510 | goto end; | |
1511 | } | |
1512 | ||
1513 | if (lttng_opt_mi) { | |
1514 | /* Close trackers element */ | |
1515 | ret = mi_lttng_writer_close_element(writer); | |
1516 | if (ret) { | |
1517 | goto end; | |
1518 | } | |
1519 | } | |
1520 | ||
1521 | end: | |
1522 | return ret; | |
a5dfbb9d MD |
1523 | } |
1524 | ||
66ea93b1 JG |
1525 | static enum cmd_error_code print_periodic_rotation_schedule( |
1526 | const struct lttng_rotation_schedule *schedule) | |
1527 | { | |
1528 | enum cmd_error_code ret; | |
1529 | enum lttng_rotation_status status; | |
1530 | uint64_t value; | |
1531 | ||
1532 | status = lttng_rotation_schedule_periodic_get_period(schedule, | |
1533 | &value); | |
1534 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1535 | ERR("Failed to retrieve period parameter from periodic rotation schedule."); | |
1536 | ret = CMD_ERROR; | |
1537 | goto end; | |
1538 | } | |
1539 | ||
1540 | MSG(" timer period: %" PRIu64" µs", value); | |
66ea93b1 JG |
1541 | ret = CMD_SUCCESS; |
1542 | end: | |
1543 | return ret; | |
1544 | } | |
1545 | ||
1546 | static enum cmd_error_code print_size_threshold_rotation_schedule( | |
1547 | const struct lttng_rotation_schedule *schedule) | |
1548 | { | |
1549 | enum cmd_error_code ret; | |
1550 | enum lttng_rotation_status status; | |
1551 | uint64_t value; | |
1552 | ||
1553 | status = lttng_rotation_schedule_size_threshold_get_threshold(schedule, | |
1554 | &value); | |
1555 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1556 | ERR("Failed to retrieve size parameter from size-based rotation schedule."); | |
1557 | ret = CMD_ERROR; | |
1558 | goto end; | |
1559 | } | |
1560 | ||
1561 | MSG(" size threshold: %" PRIu64" bytes", value); | |
66ea93b1 JG |
1562 | ret = CMD_SUCCESS; |
1563 | end: | |
1564 | return ret; | |
1565 | } | |
1566 | ||
1567 | static enum cmd_error_code print_rotation_schedule( | |
1568 | const struct lttng_rotation_schedule *schedule) | |
1569 | { | |
1570 | enum cmd_error_code ret; | |
1571 | ||
1572 | switch (lttng_rotation_schedule_get_type(schedule)) { | |
1573 | case LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD: | |
1574 | ret = print_size_threshold_rotation_schedule(schedule); | |
1575 | break; | |
1576 | case LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC: | |
1577 | ret = print_periodic_rotation_schedule(schedule); | |
1578 | break; | |
1579 | default: | |
1580 | ret = CMD_ERROR; | |
1581 | } | |
1582 | return ret; | |
1583 | } | |
1584 | ||
329f3443 | 1585 | /* |
66ea93b1 | 1586 | * List the automatic rotation settings. |
329f3443 | 1587 | */ |
66ea93b1 | 1588 | static enum cmd_error_code list_rotate_settings(const char *session_name) |
329f3443 JD |
1589 | { |
1590 | int ret; | |
66ea93b1 JG |
1591 | enum cmd_error_code cmd_ret = CMD_SUCCESS; |
1592 | unsigned int count, i; | |
1593 | struct lttng_rotation_schedules *schedules = NULL; | |
1594 | enum lttng_rotation_status status; | |
1595 | ||
1596 | ret = lttng_session_list_rotation_schedules(session_name, &schedules); | |
1597 | if (ret != LTTNG_OK) { | |
1598 | ERR("Failed to list session rotation schedules: %s", lttng_strerror(ret)); | |
1599 | cmd_ret = CMD_ERROR; | |
329f3443 JD |
1600 | goto end; |
1601 | } | |
1602 | ||
66ea93b1 JG |
1603 | status = lttng_rotation_schedules_get_count(schedules, &count); |
1604 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1605 | ERR("Failed to retrieve the number of session rotation schedules."); | |
1606 | cmd_ret = CMD_ERROR; | |
329f3443 JD |
1607 | goto end; |
1608 | } | |
1609 | ||
66ea93b1 JG |
1610 | if (count == 0) { |
1611 | cmd_ret = CMD_SUCCESS; | |
329f3443 JD |
1612 | goto end; |
1613 | } | |
1614 | ||
66ea93b1 JG |
1615 | MSG("Automatic rotation schedules:"); |
1616 | if (lttng_opt_mi) { | |
1617 | ret = mi_lttng_writer_open_element(writer, | |
1618 | mi_lttng_element_rotation_schedules); | |
1619 | if (ret) { | |
1620 | cmd_ret = CMD_ERROR; | |
1621 | goto end; | |
329f3443 JD |
1622 | } |
1623 | } | |
66ea93b1 JG |
1624 | |
1625 | for (i = 0; i < count; i++) { | |
1626 | enum cmd_error_code tmp_ret = CMD_SUCCESS; | |
1627 | const struct lttng_rotation_schedule *schedule; | |
1628 | ||
1629 | schedule = lttng_rotation_schedules_get_at_index(schedules, i); | |
1630 | if (!schedule) { | |
1631 | ERR("Failed to retrieve session rotation schedule."); | |
1632 | cmd_ret = CMD_ERROR; | |
1633 | goto end; | |
1634 | } | |
1635 | ||
329f3443 | 1636 | if (lttng_opt_mi) { |
66ea93b1 | 1637 | ret = mi_lttng_rotation_schedule(writer, schedule); |
329f3443 | 1638 | if (ret) { |
66ea93b1 | 1639 | tmp_ret = CMD_ERROR; |
329f3443 | 1640 | } |
66ea93b1 JG |
1641 | } else { |
1642 | tmp_ret = print_rotation_schedule(schedule); | |
329f3443 | 1643 | } |
66ea93b1 JG |
1644 | |
1645 | /* | |
1646 | * Report an error if the serialization of any of the | |
1647 | * descriptors failed. | |
1648 | */ | |
1649 | cmd_ret = cmd_ret ? cmd_ret : tmp_ret; | |
329f3443 | 1650 | } |
329f3443 | 1651 | |
66ea93b1 JG |
1652 | _MSG("\n"); |
1653 | if (lttng_opt_mi) { | |
1654 | /* Close the rotation_schedules element. */ | |
1655 | ret = mi_lttng_writer_close_element(writer); | |
1656 | if (ret) { | |
1657 | cmd_ret = CMD_ERROR; | |
1658 | goto end; | |
1659 | } | |
1660 | } | |
329f3443 | 1661 | end: |
66ea93b1 JG |
1662 | lttng_rotation_schedules_destroy(schedules); |
1663 | return cmd_ret; | |
329f3443 JD |
1664 | } |
1665 | ||
fb14d0d8 JR |
1666 | /* |
1667 | * Machine interface | |
1668 | * Find the session with session_name as name | |
1669 | * and print his informations. | |
1670 | */ | |
1671 | static int mi_list_session(const char *session_name, | |
1672 | struct lttng_session *sessions, int count) | |
1673 | { | |
1674 | int ret, i; | |
1675 | unsigned int session_found = 0; | |
1676 | ||
1677 | if (session_name == NULL) { | |
1678 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1679 | goto end; | |
1680 | } | |
1681 | ||
1682 | for (i = 0; i < count; i++) { | |
1683 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1684 | /* We need to leave it open to append other informations | |
1685 | * like domain, channel, events etc.*/ | |
1686 | session_found = 1; | |
1687 | ret = mi_lttng_session(writer, &sessions[i], 1); | |
1688 | if (ret) { | |
1689 | goto end; | |
1690 | } | |
9f19cc17 | 1691 | break; |
f3ed775e | 1692 | } |
f3ed775e DG |
1693 | } |
1694 | ||
fb14d0d8 JR |
1695 | if (!session_found) { |
1696 | ERR("Session '%s' not found", session_name); | |
1697 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1698 | goto end; | |
9f19cc17 | 1699 | } |
f3ed775e | 1700 | |
fb14d0d8 JR |
1701 | end: |
1702 | return ret; | |
1703 | } | |
f3ed775e | 1704 | |
fb14d0d8 JR |
1705 | /* |
1706 | * Machine interface | |
1707 | * List all availables session | |
1708 | */ | |
1709 | static int mi_list_sessions(struct lttng_session *sessions, int count) | |
1710 | { | |
1711 | int ret, i; | |
ae856491 | 1712 | |
fb14d0d8 JR |
1713 | /* Opening sessions element */ |
1714 | ret = mi_lttng_sessions_open(writer); | |
1715 | if (ret) { | |
1716 | goto end; | |
1717 | } | |
1718 | ||
1719 | /* Listing sessions */ | |
1720 | for (i = 0; i < count; i++) { | |
1721 | ret = mi_lttng_session(writer, &sessions[i], 0); | |
1722 | if (ret) { | |
1723 | goto end; | |
1724 | } | |
1725 | } | |
1726 | ||
1727 | /* Closing sessions element */ | |
1728 | ret = mi_lttng_writer_close_element(writer); | |
1729 | if (ret) { | |
1730 | goto end; | |
1731 | } | |
1732 | ||
1733 | end: | |
f3ed775e DG |
1734 | return ret; |
1735 | } | |
1736 | ||
1737 | /* | |
9f19cc17 | 1738 | * List available tracing session. List only basic information. |
f3ed775e | 1739 | * |
9f19cc17 | 1740 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 1741 | */ |
9f19cc17 | 1742 | static int list_sessions(const char *session_name) |
f3ed775e | 1743 | { |
fb14d0d8 JR |
1744 | int ret = CMD_SUCCESS; |
1745 | int count, i; | |
9f19cc17 DG |
1746 | unsigned int session_found = 0; |
1747 | struct lttng_session *sessions; | |
1748 | ||
1749 | count = lttng_list_sessions(&sessions); | |
1750 | DBG("Session count %d", count); | |
1751 | if (count < 0) { | |
fb14d0d8 JR |
1752 | ret = CMD_ERROR; |
1753 | ERR("%s", lttng_strerror(count)); | |
d32fb093 | 1754 | goto end; |
9f19cc17 DG |
1755 | } |
1756 | ||
fb14d0d8 JR |
1757 | if (lttng_opt_mi) { |
1758 | /* Mi */ | |
1759 | if (session_name == NULL) { | |
1760 | /* List all session */ | |
1761 | ret = mi_list_sessions(sessions, count); | |
1762 | } else { | |
1763 | /* Note : this return an open session element */ | |
1764 | ret = mi_list_session(session_name, sessions, count); | |
1765 | } | |
1766 | if (ret) { | |
1767 | ret = CMD_ERROR; | |
1768 | goto error; | |
1769 | } | |
1770 | } else { | |
1771 | /* Pretty print */ | |
1772 | if (count == 0) { | |
1773 | MSG("Currently no available tracing session"); | |
fb14d0d8 JR |
1774 | goto end; |
1775 | } | |
9f19cc17 | 1776 | |
fb14d0d8 JR |
1777 | if (session_name == NULL) { |
1778 | MSG("Available tracing sessions:"); | |
1779 | } | |
1780 | ||
1781 | ||
1782 | for (i = 0; i < count; i++) { | |
1783 | if (session_name != NULL) { | |
1784 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1785 | session_found = 1; | |
1786 | MSG("Tracing session %s: [%s%s]", session_name, | |
1787 | active_string(sessions[i].enabled), | |
1788 | snapshot_string(sessions[i].snapshot_mode)); | |
1789 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); | |
e50e81d3 JG |
1790 | memcpy(&listed_session, &sessions[i], |
1791 | sizeof(listed_session)); | |
fb14d0d8 JR |
1792 | break; |
1793 | } | |
1794 | } else { | |
1795 | MSG(" %d) %s (%s) [%s%s]", i + 1, | |
1796 | sessions[i].name, sessions[i].path, | |
2cbf8fed DG |
1797 | active_string(sessions[i].enabled), |
1798 | snapshot_string(sessions[i].snapshot_mode)); | |
2f785fe7 | 1799 | MSG("%sTrace path: %s", indent4, sessions[i].path); |
fcbc96a2 | 1800 | if (sessions[i].live_timer_interval != 0) { |
e50e81d3 | 1801 | MSG("%sLive timer interval: %u µs", indent4, |
fcbc96a2 JG |
1802 | sessions[i].live_timer_interval); |
1803 | } | |
1804 | MSG(""); | |
9f19cc17 | 1805 | } |
fb14d0d8 JR |
1806 | } |
1807 | ||
1808 | if (!session_found && session_name != NULL) { | |
1809 | ERR("Session '%s' not found", session_name); | |
1810 | ret = CMD_ERROR; | |
1811 | goto error; | |
1812 | } | |
1813 | ||
1814 | if (session_name == NULL) { | |
1815 | MSG("\nUse lttng list <session_name> for more details"); | |
9f19cc17 DG |
1816 | } |
1817 | } | |
1818 | ||
fb14d0d8 | 1819 | error: |
9f19cc17 | 1820 | free(sessions); |
fb14d0d8 JR |
1821 | end: |
1822 | return ret; | |
1823 | } | |
9f19cc17 | 1824 | |
fb14d0d8 JR |
1825 | |
1826 | /* | |
1827 | * Machine Interface | |
1828 | * list available domain(s) for a session. | |
1829 | */ | |
1830 | static int mi_list_domains(struct lttng_domain *domains, int count) | |
1831 | { | |
1832 | int i, ret; | |
1833 | /* Open domains element */ | |
1834 | ret = mi_lttng_domains_open(writer); | |
1835 | if (ret) { | |
1836 | goto end; | |
9f19cc17 DG |
1837 | } |
1838 | ||
fb14d0d8 JR |
1839 | for (i = 0; i < count; i++) { |
1840 | ret = mi_lttng_domain(writer, &domains[i] , 0); | |
1841 | if (ret) { | |
1842 | goto end; | |
1843 | } | |
9f19cc17 | 1844 | } |
f3ed775e | 1845 | |
fb14d0d8 JR |
1846 | /* Closing domains element */ |
1847 | ret = mi_lttng_writer_close_element(writer); | |
1848 | if (ret) { | |
1849 | goto end; | |
1850 | } | |
d32fb093 | 1851 | end: |
f3ed775e DG |
1852 | return ret; |
1853 | } | |
f3ed775e DG |
1854 | |
1855 | /* | |
9f19cc17 | 1856 | * List available domain(s) for a session. |
f3ed775e | 1857 | */ |
330be774 | 1858 | static int list_domains(const char *session_name) |
f3ed775e | 1859 | { |
9f19cc17 DG |
1860 | int i, count, ret = CMD_SUCCESS; |
1861 | struct lttng_domain *domains = NULL; | |
1862 | ||
9f19cc17 | 1863 | |
330be774 | 1864 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 | 1865 | if (count < 0) { |
fb14d0d8 JR |
1866 | ret = CMD_ERROR; |
1867 | ERR("%s", lttng_strerror(count)); | |
9f19cc17 DG |
1868 | goto end; |
1869 | } | |
1870 | ||
fb14d0d8 JR |
1871 | if (lttng_opt_mi) { |
1872 | /* Mi output */ | |
1873 | ret = mi_list_domains(domains, count); | |
1874 | if (ret) { | |
1875 | ret = CMD_ERROR; | |
1876 | goto error; | |
1877 | } | |
1878 | } else { | |
1879 | /* Pretty print */ | |
1880 | MSG("Domains:\n-------------"); | |
1881 | if (count == 0) { | |
1882 | MSG(" None"); | |
1883 | goto end; | |
1884 | } | |
1885 | ||
1886 | for (i = 0; i < count; i++) { | |
1887 | switch (domains[i].type) { | |
1888 | case LTTNG_DOMAIN_KERNEL: | |
1889 | MSG(" - Kernel"); | |
1890 | break; | |
1891 | case LTTNG_DOMAIN_UST: | |
1892 | MSG(" - UST global"); | |
1893 | break; | |
1894 | case LTTNG_DOMAIN_JUL: | |
1895 | MSG(" - JUL (Java Util Logging)"); | |
1896 | break; | |
5cdb6027 DG |
1897 | case LTTNG_DOMAIN_LOG4J: |
1898 | MSG(" - LOG4j (Logging for Java)"); | |
1899 | break; | |
0e115563 DG |
1900 | case LTTNG_DOMAIN_PYTHON: |
1901 | MSG(" - Python (logging)"); | |
1902 | break; | |
fb14d0d8 JR |
1903 | default: |
1904 | break; | |
1905 | } | |
9f19cc17 DG |
1906 | } |
1907 | } | |
1908 | ||
fb14d0d8 | 1909 | error: |
9f19cc17 DG |
1910 | free(domains); |
1911 | ||
fb14d0d8 | 1912 | end: |
9f19cc17 | 1913 | return ret; |
f3ed775e | 1914 | } |
f3ed775e DG |
1915 | |
1916 | /* | |
9f19cc17 | 1917 | * The 'list <options>' first level command |
f3ed775e DG |
1918 | */ |
1919 | int cmd_list(int argc, const char **argv) | |
1920 | { | |
c617c0c6 | 1921 | int opt, ret = CMD_SUCCESS; |
68c7f6e5 | 1922 | const char *session_name, *leftover = NULL; |
f3ed775e | 1923 | static poptContext pc; |
9f19cc17 DG |
1924 | struct lttng_domain domain; |
1925 | struct lttng_domain *domains = NULL; | |
f3ed775e | 1926 | |
441c16a7 MD |
1927 | memset(&domain, 0, sizeof(domain)); |
1928 | ||
9f19cc17 | 1929 | if (argc < 1) { |
ca1c3607 | 1930 | ret = CMD_ERROR; |
f3ed775e DG |
1931 | goto end; |
1932 | } | |
1933 | ||
1934 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
1935 | poptReadDefaultConfig(pc, 0); | |
1936 | ||
1937 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
1938 | switch (opt) { | |
1939 | case OPT_HELP: | |
4ba92f18 | 1940 | SHOW_HELP(); |
f3ed775e | 1941 | goto end; |
eeac7d46 MD |
1942 | case OPT_USERSPACE: |
1943 | opt_userspace = 1; | |
eeac7d46 | 1944 | break; |
679b4943 SM |
1945 | case OPT_LIST_OPTIONS: |
1946 | list_cmd_options(stdout, long_options); | |
679b4943 | 1947 | goto end; |
f3ed775e | 1948 | default: |
f3ed775e DG |
1949 | ret = CMD_UNDEFINED; |
1950 | goto end; | |
1951 | } | |
1952 | } | |
1953 | ||
fb14d0d8 JR |
1954 | /* Mi check */ |
1955 | if (lttng_opt_mi) { | |
1956 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
1957 | if (!writer) { | |
1958 | ret = CMD_ERROR; | |
1959 | goto end; | |
1960 | } | |
1961 | ||
1962 | /* Open command element */ | |
1963 | ret = mi_lttng_writer_command_open(writer, | |
1964 | mi_lttng_element_command_list); | |
1965 | if (ret) { | |
1966 | ret = CMD_ERROR; | |
1967 | goto end; | |
1968 | } | |
1969 | ||
1970 | /* Open output element */ | |
1971 | ret = mi_lttng_writer_open_element(writer, | |
1972 | mi_lttng_element_command_output); | |
1973 | if (ret) { | |
1974 | ret = CMD_ERROR; | |
1975 | goto end; | |
1976 | } | |
1977 | } | |
1978 | ||
9f19cc17 DG |
1979 | /* Get session name (trailing argument) */ |
1980 | session_name = poptGetArg(pc); | |
b551a063 | 1981 | DBG2("Session name: %s", session_name); |
9f19cc17 | 1982 | |
68c7f6e5 JD |
1983 | leftover = poptGetArg(pc); |
1984 | if (leftover) { | |
1985 | ERR("Unknown argument: %s", leftover); | |
1986 | ret = CMD_ERROR; | |
1987 | goto end; | |
1988 | } | |
1989 | ||
cd80958d DG |
1990 | if (opt_kernel) { |
1991 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
1992 | } else if (opt_userspace) { |
1993 | DBG2("Listing userspace global domain"); | |
1994 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
1995 | } else if (opt_jul) { |
1996 | DBG2("Listing JUL domain"); | |
1997 | domain.type = LTTNG_DOMAIN_JUL; | |
edf60534 | 1998 | } else if (opt_log4j) { |
5cdb6027 | 1999 | domain.type = LTTNG_DOMAIN_LOG4J; |
0e115563 DG |
2000 | } else if (opt_python) { |
2001 | domain.type = LTTNG_DOMAIN_PYTHON; | |
cd80958d DG |
2002 | } |
2003 | ||
834978fd DG |
2004 | if (!opt_kernel && opt_syscall) { |
2005 | WARN("--syscall will only work with the Kernel domain (-k)"); | |
2006 | ret = CMD_ERROR; | |
2007 | goto end; | |
2008 | } | |
2009 | ||
0e115563 | 2010 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_python) { |
aa5de748 MD |
2011 | handle = lttng_create_handle(session_name, &domain); |
2012 | if (handle == NULL) { | |
2013 | ret = CMD_FATAL; | |
2014 | goto end; | |
2015 | } | |
cd80958d DG |
2016 | } |
2017 | ||
9f19cc17 | 2018 | if (session_name == NULL) { |
0e115563 DG |
2019 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j |
2020 | && !opt_python) { | |
b551a063 | 2021 | ret = list_sessions(NULL); |
fb14d0d8 | 2022 | if (ret) { |
b551a063 DG |
2023 | goto end; |
2024 | } | |
2025 | } | |
9f19cc17 | 2026 | if (opt_kernel) { |
834978fd DG |
2027 | if (opt_syscall) { |
2028 | ret = list_syscalls(); | |
2029 | if (ret) { | |
2030 | goto end; | |
2031 | } | |
2032 | } else { | |
2033 | ret = list_kernel_events(); | |
2034 | if (ret) { | |
2035 | goto end; | |
2036 | } | |
9f19cc17 | 2037 | } |
b551a063 DG |
2038 | } |
2039 | if (opt_userspace) { | |
f37d259d MD |
2040 | if (opt_fields) { |
2041 | ret = list_ust_event_fields(); | |
2042 | } else { | |
2043 | ret = list_ust_events(); | |
2044 | } | |
fb14d0d8 | 2045 | if (ret) { |
9f19cc17 DG |
2046 | goto end; |
2047 | } | |
2048 | } | |
0e115563 | 2049 | if (opt_jul || opt_log4j || opt_python) { |
5cdb6027 | 2050 | ret = list_agent_events(); |
fb14d0d8 | 2051 | if (ret) { |
3c6a091f DG |
2052 | goto end; |
2053 | } | |
2054 | } | |
9f19cc17 DG |
2055 | } else { |
2056 | /* List session attributes */ | |
fb14d0d8 JR |
2057 | if (lttng_opt_mi) { |
2058 | /* Open element sessions | |
2059 | * Present for xml consistency */ | |
2060 | ret = mi_lttng_sessions_open(writer); | |
2061 | if (ret) { | |
2062 | goto end; | |
2063 | } | |
2064 | } | |
2065 | /* MI: the ouptut of list_sessions is an unclosed session element */ | |
9f19cc17 | 2066 | ret = list_sessions(session_name); |
fb14d0d8 | 2067 | if (ret) { |
9f19cc17 DG |
2068 | goto end; |
2069 | } | |
2070 | ||
329f3443 JD |
2071 | ret = list_rotate_settings(session_name); |
2072 | if (ret) { | |
2073 | goto end; | |
2074 | } | |
2075 | ||
9f19cc17 DG |
2076 | /* Domain listing */ |
2077 | if (opt_domain) { | |
330be774 | 2078 | ret = list_domains(session_name); |
9f19cc17 DG |
2079 | goto end; |
2080 | } | |
2081 | ||
fb14d0d8 | 2082 | /* Channel listing */ |
1c3de747 | 2083 | if (opt_kernel || opt_userspace) { |
fb14d0d8 JR |
2084 | if (lttng_opt_mi) { |
2085 | /* Add of domains and domain element for xml | |
2086 | * consistency and validation | |
2087 | */ | |
2088 | ret = mi_lttng_domains_open(writer); | |
2089 | if (ret) { | |
2090 | goto end; | |
2091 | } | |
2092 | ||
2093 | /* Open domain and leave it open for | |
2094 | * nested channels printing */ | |
2095 | ret = mi_lttng_domain(writer, &domain, 1); | |
2096 | if (ret) { | |
2097 | goto end; | |
2098 | } | |
2099 | ||
2100 | } | |
2101 | ||
ebbf5ab7 JR |
2102 | |
2103 | /* Trackers */ | |
2104 | ret = list_trackers(); | |
a5dfbb9d MD |
2105 | if (ret) { |
2106 | goto end; | |
2107 | } | |
2108 | ||
ebbf5ab7 | 2109 | /* Channels */ |
cd80958d | 2110 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
2111 | if (ret) { |
2112 | goto end; | |
2113 | } | |
2114 | ||
2115 | if (lttng_opt_mi) { | |
2116 | /* Close domain and domain element */ | |
2117 | ret = mi_lttng_close_multi_element(writer, 2); | |
2118 | } | |
2119 | if (ret) { | |
9f19cc17 DG |
2120 | goto end; |
2121 | } | |
fb14d0d8 JR |
2122 | |
2123 | ||
9f19cc17 | 2124 | } else { |
c617c0c6 MD |
2125 | int i, nb_domain; |
2126 | ||
9f19cc17 | 2127 | /* We want all domain(s) */ |
330be774 | 2128 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 2129 | if (nb_domain < 0) { |
fb14d0d8 JR |
2130 | ret = CMD_ERROR; |
2131 | ERR("%s", lttng_strerror(nb_domain)); | |
9f19cc17 DG |
2132 | goto end; |
2133 | } | |
2134 | ||
fb14d0d8 JR |
2135 | if (lttng_opt_mi) { |
2136 | ret = mi_lttng_domains_open(writer); | |
2137 | if (ret) { | |
2138 | ret = CMD_ERROR; | |
2139 | goto end; | |
2140 | } | |
2141 | } | |
2142 | ||
b551a063 | 2143 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
2144 | switch (domains[i].type) { |
2145 | case LTTNG_DOMAIN_KERNEL: | |
2146 | MSG("=== Domain: Kernel ===\n"); | |
2147 | break; | |
b551a063 DG |
2148 | case LTTNG_DOMAIN_UST: |
2149 | MSG("=== Domain: UST global ===\n"); | |
88c5f0d8 DG |
2150 | MSG("Buffer type: %s\n", |
2151 | domains[i].buf_type == | |
2152 | LTTNG_BUFFER_PER_PID ? "per PID" : "per UID"); | |
b551a063 | 2153 | break; |
3c6a091f DG |
2154 | case LTTNG_DOMAIN_JUL: |
2155 | MSG("=== Domain: JUL (Java Util Logging) ===\n"); | |
2156 | break; | |
5cdb6027 DG |
2157 | case LTTNG_DOMAIN_LOG4J: |
2158 | MSG("=== Domain: LOG4j (Logging for Java) ===\n"); | |
2159 | break; | |
0e115563 DG |
2160 | case LTTNG_DOMAIN_PYTHON: |
2161 | MSG("=== Domain: Python (logging) ===\n"); | |
2162 | break; | |
9f19cc17 DG |
2163 | default: |
2164 | MSG("=== Domain: Unimplemented ===\n"); | |
2165 | break; | |
2166 | } | |
2167 | ||
fb14d0d8 JR |
2168 | if (lttng_opt_mi) { |
2169 | ret = mi_lttng_domain(writer, &domains[i], 1); | |
2170 | if (ret) { | |
2171 | ret = CMD_ERROR; | |
2172 | goto end; | |
2173 | } | |
2174 | } | |
2175 | ||
cd80958d | 2176 | /* Clean handle before creating a new one */ |
aa5de748 MD |
2177 | if (handle) { |
2178 | lttng_destroy_handle(handle); | |
2179 | } | |
cd80958d DG |
2180 | |
2181 | handle = lttng_create_handle(session_name, &domains[i]); | |
2182 | if (handle == NULL) { | |
ca1c3607 | 2183 | ret = CMD_FATAL; |
cd80958d DG |
2184 | goto end; |
2185 | } | |
2186 | ||
5cdb6027 | 2187 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
0e115563 DG |
2188 | domains[i].type == LTTNG_DOMAIN_LOG4J || |
2189 | domains[i].type == LTTNG_DOMAIN_PYTHON) { | |
5cdb6027 | 2190 | ret = list_session_agent_events(); |
fb14d0d8 | 2191 | if (ret) { |
3c6a091f DG |
2192 | goto end; |
2193 | } | |
cd7b2927 PP |
2194 | |
2195 | goto next_domain; | |
3c6a091f | 2196 | } |
a5dfbb9d MD |
2197 | |
2198 | switch (domains[i].type) { | |
2199 | case LTTNG_DOMAIN_KERNEL: | |
2200 | case LTTNG_DOMAIN_UST: | |
ebbf5ab7 | 2201 | ret = list_trackers(); |
a5dfbb9d MD |
2202 | if (ret) { |
2203 | goto end; | |
2204 | } | |
2205 | break; | |
2206 | default: | |
2207 | break; | |
2208 | } | |
3c6a091f | 2209 | |
cd80958d | 2210 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
2211 | if (ret) { |
2212 | goto end; | |
2213 | } | |
2214 | ||
cd7b2927 | 2215 | next_domain: |
fb14d0d8 JR |
2216 | if (lttng_opt_mi) { |
2217 | /* Close domain element */ | |
2218 | ret = mi_lttng_writer_close_element(writer); | |
2219 | if (ret) { | |
2220 | ret = CMD_ERROR; | |
2221 | goto end; | |
2222 | } | |
2223 | } | |
2224 | ||
2225 | } | |
2226 | if (lttng_opt_mi) { | |
2227 | /* Close the domains, session and sessions element */ | |
2228 | ret = mi_lttng_close_multi_element(writer, 3); | |
2229 | if (ret) { | |
2230 | ret = CMD_ERROR; | |
9f19cc17 DG |
2231 | goto end; |
2232 | } | |
2233 | } | |
2234 | } | |
f3ed775e DG |
2235 | } |
2236 | ||
fb14d0d8 JR |
2237 | /* Mi closing */ |
2238 | if (lttng_opt_mi) { | |
2239 | /* Close output element */ | |
2240 | ret = mi_lttng_writer_close_element(writer); | |
2241 | if (ret) { | |
2242 | ret = CMD_ERROR; | |
2243 | goto end; | |
2244 | } | |
2245 | ||
2246 | /* Command element close */ | |
2247 | ret = mi_lttng_writer_command_close(writer); | |
2248 | if (ret) { | |
2249 | ret = CMD_ERROR; | |
2250 | goto end; | |
2251 | } | |
2252 | } | |
f3ed775e | 2253 | end: |
fb14d0d8 JR |
2254 | /* Mi clean-up */ |
2255 | if (writer && mi_lttng_writer_destroy(writer)) { | |
2256 | /* Preserve original error code */ | |
2257 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
2258 | } | |
2259 | ||
0e428499 | 2260 | free(domains); |
aa5de748 MD |
2261 | if (handle) { |
2262 | lttng_destroy_handle(handle); | |
2263 | } | |
cd80958d | 2264 | |
ca1c3607 | 2265 | poptFreeContext(pc); |
f3ed775e DG |
2266 | return ret; |
2267 | } |