Commit | Line | Data |
---|---|---|
f3ed775e DG |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
d14d33bf AM |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License, version 2 only, | |
6 | * as published by the Free Software Foundation. | |
f3ed775e DG |
7 | * |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
d14d33bf AM |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
f3ed775e DG |
16 | */ |
17 | ||
6c1c0768 | 18 | #define _LGPL_SOURCE |
9f19cc17 | 19 | #include <inttypes.h> |
f3ed775e DG |
20 | #include <popt.h> |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
7a3d1328 | 24 | #include <assert.h> |
f3ed775e | 25 | |
fb14d0d8 | 26 | #include <common/mi-lttng.h> |
fae9a062 | 27 | #include <lttng/constant.h> |
fb14d0d8 | 28 | |
c399183f | 29 | #include "../command.h" |
f3ed775e | 30 | |
9f19cc17 DG |
31 | static int opt_userspace; |
32 | static int opt_kernel; | |
3c6a091f | 33 | static int opt_jul; |
5cdb6027 | 34 | static int opt_log4j; |
0e115563 | 35 | static int opt_python; |
9f19cc17 DG |
36 | static char *opt_channel; |
37 | static int opt_domain; | |
f37d259d | 38 | static int opt_fields; |
834978fd | 39 | static int opt_syscall; |
9f19cc17 DG |
40 | |
41 | const char *indent4 = " "; | |
42 | const char *indent6 = " "; | |
43 | const char *indent8 = " "; | |
f3ed775e DG |
44 | |
45 | enum { | |
46 | OPT_HELP = 1, | |
eeac7d46 | 47 | OPT_USERSPACE, |
679b4943 | 48 | OPT_LIST_OPTIONS, |
f3ed775e DG |
49 | }; |
50 | ||
cd80958d | 51 | static struct lttng_handle *handle; |
fb14d0d8 | 52 | static struct mi_writer *writer; |
cd80958d | 53 | |
f3ed775e DG |
54 | static struct poptOption long_options[] = { |
55 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
2fa605f7 JG |
56 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, |
57 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, | |
58 | {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0}, | |
59 | {"log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0}, | |
60 | {"python", 'p', POPT_ARG_VAL, &opt_python, 1, 0, 0}, | |
61 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, | |
62 | {"channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0}, | |
63 | {"domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0}, | |
64 | {"fields", 'f', POPT_ARG_VAL, &opt_fields, 1, 0, 0}, | |
65 | {"syscall", 'S', POPT_ARG_VAL, &opt_syscall, 1, 0, 0}, | |
679b4943 | 66 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
f3ed775e DG |
67 | {0, 0, 0, 0, 0, 0, 0} |
68 | }; | |
69 | ||
70 | /* | |
71 | * usage | |
72 | */ | |
73 | static void usage(FILE *ofp) | |
74 | { | |
747361fe | 75 | fprintf(ofp, "usage: lttng list [OPTIONS] [SESSION [SESSION OPTIONS]]\n"); |
9f19cc17 DG |
76 | fprintf(ofp, "\n"); |
77 | fprintf(ofp, "With no arguments, list available tracing session(s)\n"); | |
78 | fprintf(ofp, "\n"); | |
27221701 DG |
79 | fprintf(ofp, "Without a session, -k lists available kernel events\n"); |
80 | fprintf(ofp, "Without a session, -u lists available userspace events\n"); | |
9f19cc17 DG |
81 | fprintf(ofp, "\n"); |
82 | fprintf(ofp, " -h, --help Show this help\n"); | |
27221701 | 83 | fprintf(ofp, " --list-options Simple listing of options\n"); |
9f19cc17 DG |
84 | fprintf(ofp, " -k, --kernel Select kernel domain\n"); |
85 | fprintf(ofp, " -u, --userspace Select user-space domain.\n"); | |
3c6a091f | 86 | fprintf(ofp, " -j, --jul Apply for Java application using JUL\n"); |
9ad71f16 | 87 | fprintf(ofp, " -l, --log4j Apply for Java application using LOG4J\n"); |
0e115563 | 88 | fprintf(ofp, " -p, --python Apply for Python application using logging\n"); |
f37d259d | 89 | fprintf(ofp, " -f, --fields List event fields.\n"); |
834978fd | 90 | fprintf(ofp, " --syscall List available system calls.\n"); |
f3ed775e | 91 | fprintf(ofp, "\n"); |
27221701 | 92 | fprintf(ofp, "Session Options:\n"); |
9f19cc17 DG |
93 | fprintf(ofp, " -c, --channel NAME List details of a channel\n"); |
94 | fprintf(ofp, " -d, --domain List available domain(s)\n"); | |
f3ed775e DG |
95 | fprintf(ofp, "\n"); |
96 | } | |
97 | ||
98 | /* | |
9f19cc17 | 99 | * Get command line from /proc for a specific pid. |
f3ed775e | 100 | * |
9f19cc17 DG |
101 | * On success, return an allocated string pointer to the proc cmdline. |
102 | * On error, return NULL. | |
f3ed775e DG |
103 | */ |
104 | static char *get_cmdline_by_pid(pid_t pid) | |
105 | { | |
106 | int ret; | |
1ad31aec | 107 | FILE *fp = NULL; |
f3ed775e | 108 | char *cmdline = NULL; |
fae9a062 JG |
109 | /* Can't go bigger than /proc/LTTNG_MAX_PID/cmdline */ |
110 | char path[sizeof("/proc//cmdline") + sizeof(LTTNG_MAX_PID_STR) - 1]; | |
f3ed775e DG |
111 | |
112 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); | |
113 | fp = fopen(path, "r"); | |
114 | if (fp == NULL) { | |
115 | goto end; | |
116 | } | |
117 | ||
118 | /* Caller must free() *cmdline */ | |
63a2c1bd | 119 | cmdline = zmalloc(PATH_MAX); |
f6962219 | 120 | if (!cmdline) { |
6f04ed72 | 121 | PERROR("malloc cmdline"); |
f6962219 JG |
122 | goto end; |
123 | } | |
f3ed775e | 124 | ret = fread(cmdline, 1, PATH_MAX, fp); |
f40799e8 | 125 | if (ret < 0) { |
6f04ed72 | 126 | PERROR("fread proc list"); |
f40799e8 | 127 | } |
f3ed775e DG |
128 | |
129 | end: | |
1ad31aec DG |
130 | if (fp) { |
131 | fclose(fp); | |
132 | } | |
f3ed775e DG |
133 | return cmdline; |
134 | } | |
b551a063 | 135 | |
464dd62d MD |
136 | static |
137 | const char *active_string(int value) | |
138 | { | |
139 | switch (value) { | |
2cbf8fed DG |
140 | case 0: return "inactive"; |
141 | case 1: return "active"; | |
464dd62d MD |
142 | case -1: return ""; |
143 | default: return NULL; | |
144 | } | |
145 | } | |
146 | ||
2cbf8fed DG |
147 | static const char *snapshot_string(int value) |
148 | { | |
149 | switch (value) { | |
150 | case 1: | |
151 | return " snapshot"; | |
152 | default: | |
153 | return ""; | |
154 | } | |
155 | } | |
156 | ||
464dd62d MD |
157 | static |
158 | const char *enabled_string(int value) | |
159 | { | |
160 | switch (value) { | |
b09f0429 MD |
161 | case 0: return " [disabled]"; |
162 | case 1: return " [enabled]"; | |
464dd62d MD |
163 | case -1: return ""; |
164 | default: return NULL; | |
165 | } | |
166 | } | |
167 | ||
fceb65df | 168 | static |
7b4a95b1 | 169 | const char *safe_string(const char *str) |
fceb65df | 170 | { |
7b4a95b1 | 171 | return str ? str : ""; |
4634f12e JI |
172 | } |
173 | ||
1f0e17de DG |
174 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
175 | { | |
176 | switch (value) { | |
af6bce80 DG |
177 | case LTTNG_EVENT_LOGLEVEL_ALL: |
178 | return ":"; | |
1f0e17de | 179 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
af6bce80 | 180 | return " <="; |
1f0e17de | 181 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
af6bce80 | 182 | return " =="; |
1f0e17de | 183 | default: |
af6bce80 | 184 | return " <<TYPE UNKN>>"; |
1f0e17de DG |
185 | } |
186 | } | |
187 | ||
834978fd DG |
188 | static const char *bitness_event(enum lttng_event_flag flags) |
189 | { | |
190 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_32) { | |
191 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
192 | return " [32/64-bit]"; | |
193 | } else { | |
194 | return " [32-bit]"; | |
195 | } | |
196 | } else if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
197 | return " [64-bit]"; | |
198 | } else { | |
199 | return ""; | |
200 | } | |
201 | } | |
202 | ||
7b4a95b1 PP |
203 | /* |
204 | * Get exclusion names message for a single event. | |
205 | * | |
206 | * Returned pointer must be freed by caller. Returns NULL on error. | |
207 | */ | |
208 | static char *get_exclusion_names_msg(struct lttng_event *event) | |
209 | { | |
210 | int ret; | |
211 | int exclusion_count; | |
212 | char *exclusion_msg = NULL; | |
213 | char *at; | |
7b4a95b1 PP |
214 | size_t i; |
215 | const char * const exclusion_fmt = " [exclusions: "; | |
19ed7632 | 216 | const size_t exclusion_fmt_len = strlen(exclusion_fmt); |
7b4a95b1 PP |
217 | |
218 | exclusion_count = lttng_event_get_exclusion_name_count(event); | |
219 | if (exclusion_count < 0) { | |
220 | goto end; | |
221 | } else if (exclusion_count == 0) { | |
222 | /* | |
223 | * No exclusions: return copy of empty string so that | |
224 | * it can be freed by caller. | |
225 | */ | |
226 | exclusion_msg = strdup(""); | |
227 | goto end; | |
228 | } | |
229 | ||
230 | /* | |
231 | * exclusion_msg's size is bounded by the exclusion_fmt string, | |
232 | * a comma per entry, the entry count (fixed-size), a closing | |
233 | * bracket, and a trailing \0. | |
234 | */ | |
235 | exclusion_msg = malloc(exclusion_count + | |
236 | exclusion_count * LTTNG_SYMBOL_NAME_LEN + | |
19ed7632 | 237 | exclusion_fmt_len + 1); |
7b4a95b1 PP |
238 | if (!exclusion_msg) { |
239 | goto end; | |
240 | } | |
241 | ||
19ed7632 | 242 | at = strcpy(exclusion_msg, exclusion_fmt) + exclusion_fmt_len; |
7b4a95b1 PP |
243 | for (i = 0; i < exclusion_count; ++i) { |
244 | const char *name; | |
245 | ||
246 | /* Append comma between exclusion names */ | |
247 | if (i > 0) { | |
248 | *at = ','; | |
249 | at++; | |
250 | } | |
251 | ||
252 | ret = lttng_event_get_exclusion_name(event, i, &name); | |
253 | if (ret) { | |
254 | /* Prints '?' on local error; should never happen */ | |
255 | *at = '?'; | |
256 | at++; | |
257 | continue; | |
258 | } | |
259 | ||
260 | /* Append exclusion name */ | |
31e40170 | 261 | at += sprintf(at, "%s", name); |
7b4a95b1 PP |
262 | } |
263 | ||
264 | /* This also puts a final '\0' at the end of exclusion_msg */ | |
19ed7632 | 265 | strcpy(at, "]"); |
7b4a95b1 PP |
266 | |
267 | end: | |
268 | return exclusion_msg; | |
269 | } | |
270 | ||
b551a063 DG |
271 | /* |
272 | * Pretty print single event. | |
273 | */ | |
274 | static void print_events(struct lttng_event *event) | |
275 | { | |
4adbcc72 PP |
276 | int ret; |
277 | const char *filter_str; | |
278 | char *filter_msg = NULL; | |
7b4a95b1 | 279 | char *exclusion_msg = NULL; |
4adbcc72 PP |
280 | |
281 | ret = lttng_event_get_filter_string(event, &filter_str); | |
282 | ||
283 | if (ret) { | |
284 | filter_msg = strdup(" [failed to retrieve filter]"); | |
285 | } else if (filter_str) { | |
286 | const char * const filter_fmt = " [filter: '%s']"; | |
287 | ||
288 | filter_msg = malloc(strlen(filter_str) + | |
289 | strlen(filter_fmt) + 1); | |
290 | if (filter_msg) { | |
291 | sprintf(filter_msg, filter_fmt, | |
292 | filter_str); | |
293 | } | |
294 | } | |
295 | ||
7b4a95b1 PP |
296 | exclusion_msg = get_exclusion_names_msg(event); |
297 | if (!exclusion_msg) { | |
298 | exclusion_msg = strdup(" [failed to retrieve exclusions]"); | |
299 | } | |
300 | ||
b551a063 DG |
301 | switch (event->type) { |
302 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 303 | { |
8b703175 | 304 | if (event->loglevel != -1) { |
af6bce80 | 305 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
8b703175 | 306 | indent6, |
81afa345 | 307 | event->name, |
1f0e17de | 308 | logleveltype_string(event->loglevel_type), |
970d848b | 309 | mi_lttng_loglevel_string(event->loglevel, handle->domain.type), |
8b703175 | 310 | event->loglevel, |
fceb65df | 311 | enabled_string(event->enabled), |
7b4a95b1 PP |
312 | safe_string(exclusion_msg), |
313 | safe_string(filter_msg)); | |
8b703175 | 314 | } else { |
4634f12e | 315 | MSG("%s%s (type: tracepoint)%s%s%s", |
8b703175 MD |
316 | indent6, |
317 | event->name, | |
fceb65df | 318 | enabled_string(event->enabled), |
7b4a95b1 PP |
319 | safe_string(exclusion_msg), |
320 | safe_string(filter_msg)); | |
8b703175 | 321 | } |
b551a063 | 322 | break; |
e4baff1e | 323 | } |
1896972b DG |
324 | case LTTNG_EVENT_FUNCTION: |
325 | MSG("%s%s (type: function)%s%s", indent6, | |
326 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 327 | safe_string(filter_msg)); |
1896972b DG |
328 | if (event->attr.probe.addr != 0) { |
329 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
330 | } else { | |
331 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
332 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
333 | } | |
334 | break; | |
b551a063 | 335 | case LTTNG_EVENT_PROBE: |
fceb65df MD |
336 | MSG("%s%s (type: probe)%s%s", indent6, |
337 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 338 | safe_string(filter_msg)); |
b551a063 DG |
339 | if (event->attr.probe.addr != 0) { |
340 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
341 | } else { | |
342 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
343 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
344 | } | |
345 | break; | |
b551a063 | 346 | case LTTNG_EVENT_FUNCTION_ENTRY: |
fceb65df MD |
347 | MSG("%s%s (type: function)%s%s", indent6, |
348 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 349 | safe_string(filter_msg)); |
b551a063 DG |
350 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
351 | break; | |
352 | case LTTNG_EVENT_SYSCALL: | |
834978fd DG |
353 | MSG("%s%s%s%s%s", indent6, event->name, |
354 | (opt_syscall ? "" : " (type:syscall)"), | |
fceb65df | 355 | enabled_string(event->enabled), |
834978fd | 356 | bitness_event(event->flags)); |
b551a063 DG |
357 | break; |
358 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
359 | MSG("%s (type: noop)%s%s", indent6, |
360 | enabled_string(event->enabled), | |
7b4a95b1 | 361 | safe_string(filter_msg)); |
b551a063 DG |
362 | break; |
363 | case LTTNG_EVENT_ALL: | |
364 | /* We should never have "all" events in list. */ | |
365 | assert(0); | |
366 | break; | |
367 | } | |
4adbcc72 PP |
368 | |
369 | free(filter_msg); | |
7b4a95b1 | 370 | free(exclusion_msg); |
b551a063 DG |
371 | } |
372 | ||
f37d259d MD |
373 | static const char *field_type(struct lttng_event_field *field) |
374 | { | |
375 | switch(field->type) { | |
376 | case LTTNG_EVENT_FIELD_INTEGER: | |
377 | return "integer"; | |
378 | case LTTNG_EVENT_FIELD_ENUM: | |
379 | return "enum"; | |
380 | case LTTNG_EVENT_FIELD_FLOAT: | |
381 | return "float"; | |
382 | case LTTNG_EVENT_FIELD_STRING: | |
383 | return "string"; | |
384 | case LTTNG_EVENT_FIELD_OTHER: | |
385 | default: /* fall-through */ | |
386 | return "unknown"; | |
387 | } | |
388 | } | |
389 | ||
390 | /* | |
391 | * Pretty print single event fields. | |
392 | */ | |
393 | static void print_event_field(struct lttng_event_field *field) | |
394 | { | |
395 | if (!field->field_name[0]) { | |
396 | return; | |
397 | } | |
d8fbe2a9 | 398 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 399 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
400 | } |
401 | ||
fb14d0d8 JR |
402 | /* |
403 | * Machine interface | |
404 | * Jul and ust event listing | |
405 | */ | |
5cdb6027 | 406 | static int mi_list_agent_ust_events(struct lttng_event *events, int count, |
fb14d0d8 JR |
407 | struct lttng_domain *domain) |
408 | { | |
409 | int ret, i; | |
410 | pid_t cur_pid = 0; | |
411 | char *cmdline = NULL; | |
412 | int pid_element_open = 0; | |
413 | ||
414 | /* Open domains element */ | |
415 | ret = mi_lttng_domains_open(writer); | |
416 | if (ret) { | |
417 | goto end; | |
418 | } | |
419 | ||
420 | /* Write domain */ | |
421 | ret = mi_lttng_domain(writer, domain, 1); | |
422 | if (ret) { | |
423 | goto end; | |
424 | } | |
425 | ||
bf239d4c JR |
426 | /* Open pids element element */ |
427 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
428 | if (ret) { |
429 | goto end; | |
430 | } | |
431 | ||
432 | for (i = 0; i < count; i++) { | |
433 | if (cur_pid != events[i].pid) { | |
434 | if (pid_element_open) { | |
2e9aecb9 | 435 | /* Close the previous events and pid element */ |
fb14d0d8 JR |
436 | ret = mi_lttng_close_multi_element(writer, 2); |
437 | if (ret) { | |
438 | goto end; | |
439 | } | |
440 | pid_element_open = 0; | |
441 | } | |
442 | ||
443 | cur_pid = events[i].pid; | |
444 | cmdline = get_cmdline_by_pid(cur_pid); | |
445 | if (!cmdline) { | |
446 | ret = CMD_ERROR; | |
447 | goto end; | |
448 | } | |
449 | ||
450 | if (!pid_element_open) { | |
451 | /* Open and write a pid element */ | |
bf239d4c | 452 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); |
fb14d0d8 JR |
453 | if (ret) { |
454 | goto error; | |
455 | } | |
456 | ||
457 | /* Open events element */ | |
458 | ret = mi_lttng_events_open(writer); | |
459 | if (ret) { | |
460 | goto error; | |
461 | } | |
462 | ||
463 | pid_element_open = 1; | |
464 | } | |
465 | free(cmdline); | |
466 | } | |
467 | ||
468 | /* Write an event */ | |
970d848b | 469 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
470 | if (ret) { |
471 | goto end; | |
472 | } | |
473 | } | |
474 | ||
bf239d4c | 475 | /* Close pids */ |
fb14d0d8 JR |
476 | ret = mi_lttng_writer_close_element(writer); |
477 | if (ret) { | |
478 | goto end; | |
479 | } | |
480 | ||
481 | /* Close domain, domains */ | |
482 | ret = mi_lttng_close_multi_element(writer, 2); | |
483 | end: | |
484 | return ret; | |
485 | error: | |
486 | free(cmdline); | |
487 | return ret; | |
488 | } | |
489 | ||
5cdb6027 | 490 | static int list_agent_events(void) |
3c6a091f | 491 | { |
fb14d0d8 | 492 | int i, size, ret = CMD_SUCCESS; |
3c6a091f | 493 | struct lttng_domain domain; |
26c610c9 | 494 | struct lttng_handle *handle = NULL; |
469b972b | 495 | struct lttng_event *event_list = NULL; |
3c6a091f DG |
496 | pid_t cur_pid = 0; |
497 | char *cmdline = NULL; | |
5cdb6027 | 498 | const char *agent_domain_str; |
3c6a091f DG |
499 | |
500 | memset(&domain, 0, sizeof(domain)); | |
5cdb6027 DG |
501 | if (opt_jul) { |
502 | domain.type = LTTNG_DOMAIN_JUL; | |
503 | } else if (opt_log4j) { | |
504 | domain.type = LTTNG_DOMAIN_LOG4J; | |
0e115563 DG |
505 | } else if (opt_python) { |
506 | domain.type = LTTNG_DOMAIN_PYTHON; | |
26c610c9 JG |
507 | } else { |
508 | ERR("Invalid agent domain selected."); | |
509 | ret = CMD_ERROR; | |
510 | goto error; | |
5cdb6027 DG |
511 | } |
512 | ||
513 | agent_domain_str = get_domain_str(domain.type); | |
514 | ||
515 | DBG("Getting %s tracing events", agent_domain_str); | |
3c6a091f DG |
516 | |
517 | handle = lttng_create_handle(NULL, &domain); | |
518 | if (handle == NULL) { | |
fb14d0d8 JR |
519 | ret = CMD_ERROR; |
520 | goto end; | |
3c6a091f DG |
521 | } |
522 | ||
523 | size = lttng_list_tracepoints(handle, &event_list); | |
524 | if (size < 0) { | |
5cdb6027 DG |
525 | ERR("Unable to list %s events: %s", agent_domain_str, |
526 | lttng_strerror(size)); | |
fb14d0d8 JR |
527 | ret = CMD_ERROR; |
528 | goto end; | |
3c6a091f DG |
529 | } |
530 | ||
fb14d0d8 JR |
531 | if (lttng_opt_mi) { |
532 | /* Mi print */ | |
5cdb6027 | 533 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
534 | if (ret) { |
535 | ret = CMD_ERROR; | |
536 | goto error; | |
3c6a091f | 537 | } |
fb14d0d8 JR |
538 | } else { |
539 | /* Pretty print */ | |
5cdb6027 DG |
540 | MSG("%s events (Logger name):\n-------------------------", |
541 | agent_domain_str); | |
3c6a091f | 542 | |
fb14d0d8 JR |
543 | if (size == 0) { |
544 | MSG("None"); | |
545 | } | |
3c6a091f | 546 | |
fb14d0d8 JR |
547 | for (i = 0; i < size; i++) { |
548 | if (cur_pid != event_list[i].pid) { | |
549 | cur_pid = event_list[i].pid; | |
550 | cmdline = get_cmdline_by_pid(cur_pid); | |
551 | if (cmdline == NULL) { | |
552 | ret = CMD_ERROR; | |
553 | goto error; | |
554 | } | |
555 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
556 | free(cmdline); | |
557 | } | |
558 | MSG("%s- %s", indent6, event_list[i].name); | |
559 | } | |
3c6a091f | 560 | |
fb14d0d8 JR |
561 | MSG(""); |
562 | } | |
3c6a091f DG |
563 | |
564 | error: | |
fb14d0d8 JR |
565 | free(event_list); |
566 | end: | |
3c6a091f | 567 | lttng_destroy_handle(handle); |
fb14d0d8 | 568 | return ret; |
3c6a091f DG |
569 | } |
570 | ||
b551a063 DG |
571 | /* |
572 | * Ask session daemon for all user space tracepoints available. | |
573 | */ | |
574 | static int list_ust_events(void) | |
575 | { | |
fb14d0d8 | 576 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
577 | struct lttng_domain domain; |
578 | struct lttng_handle *handle; | |
bec97646 | 579 | struct lttng_event *event_list = NULL; |
b551a063 | 580 | pid_t cur_pid = 0; |
ea5cbc00 | 581 | char *cmdline = NULL; |
b551a063 | 582 | |
441c16a7 MD |
583 | memset(&domain, 0, sizeof(domain)); |
584 | ||
b551a063 DG |
585 | DBG("Getting UST tracing events"); |
586 | ||
587 | domain.type = LTTNG_DOMAIN_UST; | |
588 | ||
589 | handle = lttng_create_handle(NULL, &domain); | |
590 | if (handle == NULL) { | |
fb14d0d8 JR |
591 | ret = CMD_ERROR; |
592 | goto end; | |
b551a063 DG |
593 | } |
594 | ||
595 | size = lttng_list_tracepoints(handle, &event_list); | |
596 | if (size < 0) { | |
60e835ca | 597 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
fb14d0d8 JR |
598 | ret = CMD_ERROR; |
599 | goto error; | |
b551a063 DG |
600 | } |
601 | ||
fb14d0d8 JR |
602 | if (lttng_opt_mi) { |
603 | /* Mi print */ | |
5cdb6027 | 604 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
605 | } else { |
606 | /* Pretty print */ | |
607 | MSG("UST events:\n-------------"); | |
608 | ||
609 | if (size == 0) { | |
610 | MSG("None"); | |
611 | } | |
612 | ||
613 | for (i = 0; i < size; i++) { | |
614 | if (cur_pid != event_list[i].pid) { | |
615 | cur_pid = event_list[i].pid; | |
616 | cmdline = get_cmdline_by_pid(cur_pid); | |
617 | if (cmdline == NULL) { | |
618 | ret = CMD_ERROR; | |
619 | goto error; | |
620 | } | |
621 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
622 | free(cmdline); | |
623 | } | |
624 | print_events(&event_list[i]); | |
625 | } | |
b551a063 | 626 | |
fb14d0d8 | 627 | MSG(""); |
b551a063 DG |
628 | } |
629 | ||
fb14d0d8 JR |
630 | error: |
631 | free(event_list); | |
632 | end: | |
633 | lttng_destroy_handle(handle); | |
634 | return ret; | |
635 | } | |
636 | ||
637 | /* | |
638 | * Machine interface | |
639 | * List all ust event with their fields | |
640 | */ | |
641 | static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count, | |
642 | struct lttng_domain *domain) | |
643 | { | |
644 | int ret, i; | |
645 | pid_t cur_pid = 0; | |
646 | char *cmdline = NULL; | |
647 | int pid_element_open = 0; | |
648 | int event_element_open = 0; | |
649 | struct lttng_event cur_event; | |
650 | ||
651 | /* Open domains element */ | |
652 | ret = mi_lttng_domains_open(writer); | |
653 | if (ret) { | |
654 | goto end; | |
655 | } | |
656 | ||
657 | /* Write domain */ | |
658 | ret = mi_lttng_domain(writer, domain, 1); | |
659 | if (ret) { | |
660 | goto end; | |
661 | } | |
662 | ||
bf239d4c JR |
663 | /* Open pids element */ |
664 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
665 | if (ret) { |
666 | goto end; | |
667 | } | |
668 | ||
669 | for (i = 0; i < count; i++) { | |
670 | if (cur_pid != fields[i].event.pid) { | |
671 | if (pid_element_open) { | |
672 | if (event_element_open) { | |
485ca16f DG |
673 | |
674 | /* Close the previous field element and event. */ | |
fb14d0d8 JR |
675 | ret = mi_lttng_close_multi_element(writer, 2); |
676 | if (ret) { | |
677 | goto end; | |
678 | } | |
679 | event_element_open = 0; | |
680 | } | |
681 | /* Close the previous events, pid element */ | |
682 | ret = mi_lttng_close_multi_element(writer, 2); | |
683 | if (ret) { | |
684 | goto end; | |
685 | } | |
686 | pid_element_open = 0; | |
687 | } | |
688 | ||
689 | cur_pid = fields[i].event.pid; | |
ea5cbc00 | 690 | cmdline = get_cmdline_by_pid(cur_pid); |
fb14d0d8 | 691 | if (!pid_element_open) { |
bf239d4c JR |
692 | /* Open and write a pid element */ |
693 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); | |
fb14d0d8 JR |
694 | if (ret) { |
695 | goto error; | |
696 | } | |
697 | ||
698 | /* Open events element */ | |
699 | ret = mi_lttng_events_open(writer); | |
700 | if (ret) { | |
701 | goto error; | |
702 | } | |
703 | pid_element_open = 1; | |
704 | } | |
ea5cbc00 | 705 | free(cmdline); |
fb14d0d8 JR |
706 | /* Wipe current event since we are about to print a new PID. */ |
707 | memset(&cur_event, 0, sizeof(cur_event)); | |
b551a063 | 708 | } |
b551a063 | 709 | |
fb14d0d8 JR |
710 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
711 | if (event_element_open) { | |
712 | /* Close the previous fields element and the previous event */ | |
713 | ret = mi_lttng_close_multi_element(writer, 2); | |
714 | if (ret) { | |
715 | goto end; | |
716 | } | |
717 | event_element_open = 0; | |
718 | } | |
719 | ||
720 | memcpy(&cur_event, &fields[i].event, | |
721 | sizeof(cur_event)); | |
b551a063 | 722 | |
fb14d0d8 JR |
723 | if (!event_element_open) { |
724 | /* Open and write the event */ | |
970d848b DG |
725 | ret = mi_lttng_event(writer, &cur_event, 1, |
726 | handle->domain.type); | |
fb14d0d8 JR |
727 | if (ret) { |
728 | goto end; | |
729 | } | |
730 | ||
731 | /* Open a fields element */ | |
732 | ret = mi_lttng_event_fields_open(writer); | |
733 | if (ret) { | |
734 | goto end; | |
735 | } | |
736 | event_element_open = 1; | |
737 | } | |
738 | } | |
b551a063 | 739 | |
fb14d0d8 JR |
740 | /* Print the event_field */ |
741 | ret = mi_lttng_event_field(writer, &fields[i]); | |
742 | if (ret) { | |
743 | goto end; | |
744 | } | |
745 | } | |
b551a063 | 746 | |
bf239d4c | 747 | /* Close pid, domain, domains */ |
fb14d0d8 JR |
748 | ret = mi_lttng_close_multi_element(writer, 3); |
749 | end: | |
750 | return ret; | |
b551a063 | 751 | error: |
fb14d0d8 JR |
752 | free(cmdline); |
753 | return ret; | |
b551a063 | 754 | } |
f3ed775e | 755 | |
f37d259d MD |
756 | /* |
757 | * Ask session daemon for all user space tracepoint fields available. | |
758 | */ | |
759 | static int list_ust_event_fields(void) | |
760 | { | |
fb14d0d8 | 761 | int i, size, ret = CMD_SUCCESS; |
f37d259d MD |
762 | struct lttng_domain domain; |
763 | struct lttng_handle *handle; | |
764 | struct lttng_event_field *event_field_list; | |
765 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
766 | char *cmdline = NULL; |
767 | ||
f37d259d MD |
768 | struct lttng_event cur_event; |
769 | ||
770 | memset(&domain, 0, sizeof(domain)); | |
771 | memset(&cur_event, 0, sizeof(cur_event)); | |
772 | ||
773 | DBG("Getting UST tracing event fields"); | |
774 | ||
775 | domain.type = LTTNG_DOMAIN_UST; | |
776 | ||
777 | handle = lttng_create_handle(NULL, &domain); | |
778 | if (handle == NULL) { | |
fb14d0d8 JR |
779 | ret = CMD_ERROR; |
780 | goto end; | |
f37d259d MD |
781 | } |
782 | ||
783 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
784 | if (size < 0) { | |
60e835ca | 785 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
fb14d0d8 JR |
786 | ret = CMD_ERROR; |
787 | goto end; | |
f37d259d MD |
788 | } |
789 | ||
fb14d0d8 JR |
790 | if (lttng_opt_mi) { |
791 | /* Mi print */ | |
792 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); | |
793 | if (ret) { | |
794 | ret = CMD_ERROR; | |
795 | goto error; | |
796 | } | |
797 | } else { | |
798 | /* Pretty print */ | |
799 | MSG("UST events:\n-------------"); | |
f37d259d | 800 | |
fb14d0d8 JR |
801 | if (size == 0) { |
802 | MSG("None"); | |
f37d259d | 803 | } |
fb14d0d8 JR |
804 | |
805 | for (i = 0; i < size; i++) { | |
806 | if (cur_pid != event_field_list[i].event.pid) { | |
807 | cur_pid = event_field_list[i].event.pid; | |
808 | cmdline = get_cmdline_by_pid(cur_pid); | |
809 | if (cmdline == NULL) { | |
810 | ret = CMD_ERROR; | |
811 | goto error; | |
812 | } | |
813 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
814 | free(cmdline); | |
815 | /* Wipe current event since we are about to print a new PID. */ | |
816 | memset(&cur_event, 0, sizeof(cur_event)); | |
817 | } | |
818 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
819 | print_events(&event_field_list[i].event); | |
820 | memcpy(&cur_event, &event_field_list[i].event, | |
821 | sizeof(cur_event)); | |
822 | } | |
823 | print_event_field(&event_field_list[i]); | |
f37d259d | 824 | } |
f37d259d | 825 | |
fb14d0d8 JR |
826 | MSG(""); |
827 | } | |
f37d259d | 828 | |
fb14d0d8 | 829 | error: |
f37d259d | 830 | free(event_field_list); |
fb14d0d8 | 831 | end: |
f37d259d | 832 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
833 | return ret; |
834 | } | |
f37d259d | 835 | |
fb14d0d8 JR |
836 | /* |
837 | * Machine interface | |
838 | * Print a list of kernel events | |
839 | */ | |
840 | static int mi_list_kernel_events(struct lttng_event *events, int count, | |
841 | struct lttng_domain *domain) | |
842 | { | |
843 | int ret, i; | |
f37d259d | 844 | |
fb14d0d8 JR |
845 | /* Open domains element */ |
846 | ret = mi_lttng_domains_open(writer); | |
847 | if (ret) { | |
848 | goto end; | |
849 | } | |
850 | ||
851 | /* Write domain */ | |
852 | ret = mi_lttng_domain(writer, domain, 1); | |
853 | if (ret) { | |
854 | goto end; | |
855 | } | |
856 | ||
857 | /* Open events */ | |
858 | ret = mi_lttng_events_open(writer); | |
859 | if (ret) { | |
860 | goto end; | |
861 | } | |
862 | ||
863 | for (i = 0; i < count; i++) { | |
970d848b | 864 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
865 | if (ret) { |
866 | goto end; | |
867 | } | |
868 | } | |
869 | ||
870 | /* close events, domain and domains */ | |
871 | ret = mi_lttng_close_multi_element(writer, 3); | |
872 | if (ret) { | |
873 | goto end; | |
874 | } | |
875 | ||
876 | end: | |
877 | return ret; | |
f37d259d MD |
878 | } |
879 | ||
f3ed775e | 880 | /* |
fb14d0d8 | 881 | * Ask for all trace events in the kernel |
f3ed775e | 882 | */ |
9f19cc17 | 883 | static int list_kernel_events(void) |
f3ed775e | 884 | { |
fb14d0d8 | 885 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
886 | struct lttng_domain domain; |
887 | struct lttng_handle *handle; | |
9f19cc17 | 888 | struct lttng_event *event_list; |
f3ed775e | 889 | |
441c16a7 MD |
890 | memset(&domain, 0, sizeof(domain)); |
891 | ||
b551a063 DG |
892 | DBG("Getting kernel tracing events"); |
893 | ||
894 | domain.type = LTTNG_DOMAIN_KERNEL; | |
895 | ||
896 | handle = lttng_create_handle(NULL, &domain); | |
897 | if (handle == NULL) { | |
fb14d0d8 | 898 | ret = CMD_ERROR; |
b551a063 DG |
899 | goto error; |
900 | } | |
f3ed775e | 901 | |
cd80958d | 902 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 903 | if (size < 0) { |
60e835ca | 904 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 905 | lttng_destroy_handle(handle); |
fb14d0d8 | 906 | return CMD_ERROR; |
f3ed775e DG |
907 | } |
908 | ||
fb14d0d8 JR |
909 | if (lttng_opt_mi) { |
910 | /* Mi print */ | |
911 | ret = mi_list_kernel_events(event_list, size, &domain); | |
912 | if (ret) { | |
913 | ret = CMD_ERROR; | |
914 | goto end; | |
915 | } | |
916 | } else { | |
917 | MSG("Kernel events:\n-------------"); | |
f3ed775e | 918 | |
fb14d0d8 JR |
919 | for (i = 0; i < size; i++) { |
920 | print_events(&event_list[i]); | |
921 | } | |
f3ed775e | 922 | |
fb14d0d8 JR |
923 | MSG(""); |
924 | } | |
b551a063 | 925 | |
fb14d0d8 | 926 | end: |
f3ed775e DG |
927 | free(event_list); |
928 | ||
ef021732 | 929 | lttng_destroy_handle(handle); |
fb14d0d8 | 930 | return ret; |
b551a063 DG |
931 | |
932 | error: | |
ef021732 | 933 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
934 | return ret; |
935 | } | |
936 | ||
834978fd DG |
937 | /* |
938 | * Machine interface | |
939 | * Print a list of system calls. | |
940 | */ | |
941 | static int mi_list_syscalls(struct lttng_event *events, int count) | |
942 | { | |
943 | int ret, i; | |
944 | ||
945 | /* Open events */ | |
946 | ret = mi_lttng_events_open(writer); | |
947 | if (ret) { | |
948 | goto end; | |
949 | } | |
950 | ||
951 | for (i = 0; i < count; i++) { | |
970d848b | 952 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
834978fd DG |
953 | if (ret) { |
954 | goto end; | |
955 | } | |
956 | } | |
957 | ||
958 | /* Close events. */ | |
959 | ret = mi_lttng_writer_close_element(writer); | |
960 | if (ret) { | |
961 | goto end; | |
962 | } | |
963 | ||
964 | end: | |
965 | return ret; | |
966 | } | |
967 | ||
968 | /* | |
969 | * Ask for kernel system calls. | |
970 | */ | |
971 | static int list_syscalls(void) | |
972 | { | |
973 | int i, size, ret = CMD_SUCCESS; | |
974 | struct lttng_event *event_list; | |
975 | ||
976 | DBG("Getting kernel system call events"); | |
977 | ||
978 | size = lttng_list_syscalls(&event_list); | |
979 | if (size < 0) { | |
980 | ERR("Unable to list system calls: %s", lttng_strerror(size)); | |
981 | ret = CMD_ERROR; | |
982 | goto error; | |
983 | } | |
984 | ||
985 | if (lttng_opt_mi) { | |
986 | /* Mi print */ | |
987 | ret = mi_list_syscalls(event_list, size); | |
988 | if (ret) { | |
989 | ret = CMD_ERROR; | |
990 | goto end; | |
991 | } | |
992 | } else { | |
993 | MSG("System calls:\n-------------"); | |
994 | ||
995 | for (i = 0; i < size; i++) { | |
996 | print_events(&event_list[i]); | |
997 | } | |
998 | ||
999 | MSG(""); | |
1000 | } | |
1001 | ||
1002 | end: | |
1003 | free(event_list); | |
1004 | return ret; | |
1005 | ||
1006 | error: | |
1007 | return ret; | |
1008 | } | |
1009 | ||
fb14d0d8 JR |
1010 | /* |
1011 | * Machine Interface | |
5cdb6027 | 1012 | * Print a list of agent events |
fb14d0d8 | 1013 | */ |
5cdb6027 | 1014 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
fb14d0d8 JR |
1015 | { |
1016 | int ret, i; | |
1017 | ||
1018 | /* Open events element */ | |
1019 | ret = mi_lttng_events_open(writer); | |
1020 | if (ret) { | |
1021 | goto end; | |
1022 | } | |
1023 | ||
1024 | for (i = 0; i < count; i++) { | |
970d848b | 1025 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1026 | if (ret) { |
1027 | goto end; | |
1028 | } | |
1029 | } | |
1030 | ||
1031 | /* Close events element */ | |
1032 | ret = mi_lttng_writer_close_element(writer); | |
1033 | ||
1034 | end: | |
1035 | return ret; | |
f3ed775e DG |
1036 | } |
1037 | ||
3c6a091f | 1038 | /* |
5cdb6027 | 1039 | * List agent events for a specific session using the handle. |
3c6a091f DG |
1040 | * |
1041 | * Return CMD_SUCCESS on success else a negative value. | |
1042 | */ | |
5cdb6027 | 1043 | static int list_session_agent_events(void) |
3c6a091f | 1044 | { |
fb14d0d8 | 1045 | int ret = CMD_SUCCESS, count, i; |
3c6a091f DG |
1046 | struct lttng_event *events = NULL; |
1047 | ||
1048 | count = lttng_list_events(handle, "", &events); | |
1049 | if (count < 0) { | |
fb14d0d8 JR |
1050 | ret = CMD_ERROR; |
1051 | ERR("%s", lttng_strerror(count)); | |
3c6a091f DG |
1052 | goto error; |
1053 | } | |
1054 | ||
fb14d0d8 JR |
1055 | if (lttng_opt_mi) { |
1056 | /* Mi print */ | |
5cdb6027 | 1057 | ret = mi_list_session_agent_events(events, count); |
fb14d0d8 JR |
1058 | if (ret) { |
1059 | ret = CMD_ERROR; | |
1060 | goto end; | |
1061 | } | |
1062 | } else { | |
1063 | /* Pretty print */ | |
1064 | MSG("Events (Logger name):\n---------------------"); | |
1065 | if (count == 0) { | |
1066 | MSG("%sNone\n", indent6); | |
1067 | goto end; | |
1068 | } | |
1069 | ||
1070 | for (i = 0; i < count; i++) { | |
9a890ce8 JG |
1071 | const char *filter_str; |
1072 | char *filter_msg = NULL; | |
1073 | struct lttng_event *event = &events[i]; | |
1074 | ||
1075 | ret = lttng_event_get_filter_string(event, &filter_str); | |
1076 | if (ret) { | |
1077 | filter_msg = strdup(" [failed to retrieve filter]"); | |
1078 | } else if (filter_str) { | |
1079 | const char * const filter_fmt = | |
1080 | " [filter: '%s']"; | |
1081 | ||
1082 | filter_msg = malloc(strlen(filter_str) + | |
1083 | strlen(filter_fmt) + 1); | |
1084 | if (filter_msg) { | |
00505bae JG |
1085 | sprintf(filter_msg, filter_fmt, |
1086 | filter_str); | |
9a890ce8 JG |
1087 | } |
1088 | } | |
1089 | ||
1090 | if (event->loglevel_type != | |
755066c2 | 1091 | LTTNG_EVENT_LOGLEVEL_ALL) { |
9a890ce8 JG |
1092 | MSG("%s- %s%s (loglevel%s %s)%s", indent4, |
1093 | event->name, | |
1094 | enabled_string(event->enabled), | |
755066c2 | 1095 | logleveltype_string( |
9a890ce8 | 1096 | event->loglevel_type), |
755066c2 | 1097 | mi_lttng_loglevel_string( |
9a890ce8 JG |
1098 | event->loglevel, |
1099 | handle->domain.type), | |
7b4a95b1 | 1100 | safe_string(filter_msg)); |
755066c2 | 1101 | } else { |
9a890ce8 JG |
1102 | MSG("%s- %s%s%s", indent4, event->name, |
1103 | enabled_string(event->enabled), | |
7b4a95b1 | 1104 | safe_string(filter_msg)); |
755066c2 | 1105 | } |
9a890ce8 | 1106 | free(filter_msg); |
fb14d0d8 JR |
1107 | } |
1108 | ||
1109 | MSG(""); | |
1110 | } | |
1111 | ||
1112 | end: | |
1113 | free(events); | |
1114 | error: | |
1115 | return ret; | |
1116 | } | |
1117 | ||
1118 | /* | |
1119 | * Machine interface | |
1120 | * print a list of event | |
1121 | */ | |
1122 | static int mi_list_events(struct lttng_event *events, int count) | |
1123 | { | |
1124 | int ret, i; | |
1125 | ||
1126 | /* Open events element */ | |
1127 | ret = mi_lttng_events_open(writer); | |
1128 | if (ret) { | |
3c6a091f DG |
1129 | goto end; |
1130 | } | |
1131 | ||
1132 | for (i = 0; i < count; i++) { | |
970d848b | 1133 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1134 | if (ret) { |
1135 | goto end; | |
1136 | } | |
3c6a091f DG |
1137 | } |
1138 | ||
fb14d0d8 JR |
1139 | /* Close events element */ |
1140 | ret = mi_lttng_writer_close_element(writer); | |
3c6a091f DG |
1141 | |
1142 | end: | |
3c6a091f DG |
1143 | return ret; |
1144 | } | |
1145 | ||
f3ed775e | 1146 | /* |
9f19cc17 | 1147 | * List events of channel of session and domain. |
f3ed775e | 1148 | */ |
cd80958d | 1149 | static int list_events(const char *channel_name) |
f3ed775e | 1150 | { |
fb14d0d8 | 1151 | int ret = CMD_SUCCESS, count, i; |
9f19cc17 | 1152 | struct lttng_event *events = NULL; |
f3ed775e | 1153 | |
cd80958d | 1154 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e | 1155 | if (count < 0) { |
fb14d0d8 JR |
1156 | ret = CMD_ERROR; |
1157 | ERR("%s", lttng_strerror(count)); | |
f3ed775e DG |
1158 | goto error; |
1159 | } | |
1160 | ||
fb14d0d8 JR |
1161 | if (lttng_opt_mi) { |
1162 | /* Mi print */ | |
1163 | ret = mi_list_events(events, count); | |
1164 | if (ret) { | |
1165 | ret = CMD_ERROR; | |
1166 | goto end; | |
1167 | } | |
1168 | } else { | |
1169 | /* Pretty print */ | |
1170 | MSG("\n%sEvents:", indent4); | |
1171 | if (count == 0) { | |
1172 | MSG("%sNone\n", indent6); | |
1173 | goto end; | |
1174 | } | |
f3ed775e | 1175 | |
fb14d0d8 JR |
1176 | for (i = 0; i < count; i++) { |
1177 | print_events(&events[i]); | |
1178 | } | |
f3ed775e | 1179 | |
fb14d0d8 JR |
1180 | MSG(""); |
1181 | } | |
9f19cc17 | 1182 | end: |
0e428499 | 1183 | free(events); |
f3ed775e DG |
1184 | error: |
1185 | return ret; | |
1186 | } | |
1187 | ||
1188 | /* | |
9f19cc17 DG |
1189 | * Pretty print channel |
1190 | */ | |
1191 | static void print_channel(struct lttng_channel *channel) | |
1192 | { | |
464dd62d | 1193 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
1194 | |
1195 | MSG("%sAttributes:", indent4); | |
a5bbe8f6 DG |
1196 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); |
1197 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
9f19cc17 | 1198 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); |
a5bbe8f6 DG |
1199 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); |
1200 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
2f785fe7 DG |
1201 | MSG("%strace file count: %" PRIu64, indent6, channel->attr.tracefile_count); |
1202 | MSG("%strace file size (bytes): %" PRIu64, indent6, channel->attr.tracefile_size); | |
9f19cc17 DG |
1203 | switch (channel->attr.output) { |
1204 | case LTTNG_EVENT_SPLICE: | |
1205 | MSG("%soutput: splice()", indent6); | |
1206 | break; | |
1207 | case LTTNG_EVENT_MMAP: | |
1208 | MSG("%soutput: mmap()", indent6); | |
1209 | break; | |
1210 | } | |
1211 | } | |
1212 | ||
fb14d0d8 JR |
1213 | /* |
1214 | * Machine interface | |
1215 | * Print a list of channel | |
1216 | * | |
1217 | */ | |
1218 | static int mi_list_channels(struct lttng_channel *channels, int count, | |
1219 | const char *channel_name) | |
1220 | { | |
1221 | int i, ret; | |
1222 | unsigned int chan_found = 0; | |
1223 | ||
1224 | /* Open channels element */ | |
1225 | ret = mi_lttng_channels_open(writer); | |
1226 | if (ret) { | |
1227 | goto error; | |
1228 | } | |
1229 | ||
1230 | for (i = 0; i < count; i++) { | |
1231 | if (channel_name != NULL) { | |
1232 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1233 | chan_found = 1; | |
1234 | } else { | |
1235 | continue; | |
1236 | } | |
1237 | } | |
1238 | ||
1239 | /* Write channel element and leave it open */ | |
1240 | ret = mi_lttng_channel(writer, &channels[i], 1); | |
1241 | if (ret) { | |
1242 | goto error; | |
1243 | } | |
1244 | ||
1245 | /* Listing events per channel */ | |
1246 | ret = list_events(channels[i].name); | |
1247 | if (ret) { | |
1248 | goto error; | |
1249 | } | |
1250 | ||
1251 | /* Closing the channel element we opened earlier */ | |
1252 | ret = mi_lttng_writer_close_element(writer); | |
1253 | if (ret) { | |
1254 | goto error; | |
1255 | } | |
1256 | ||
1257 | if (chan_found) { | |
1258 | break; | |
1259 | } | |
1260 | } | |
1261 | ||
1262 | /* Close channels element */ | |
1263 | ret = mi_lttng_writer_close_element(writer); | |
1264 | if (ret) { | |
1265 | goto error; | |
1266 | } | |
1267 | ||
1268 | error: | |
1269 | return ret; | |
1270 | } | |
1271 | ||
9f19cc17 DG |
1272 | /* |
1273 | * List channel(s) of session and domain. | |
f3ed775e | 1274 | * |
9f19cc17 | 1275 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 1276 | */ |
cd80958d | 1277 | static int list_channels(const char *channel_name) |
f3ed775e | 1278 | { |
9f19cc17 DG |
1279 | int count, i, ret = CMD_SUCCESS; |
1280 | unsigned int chan_found = 0; | |
1281 | struct lttng_channel *channels = NULL; | |
f3ed775e | 1282 | |
3e25cb20 | 1283 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 1284 | |
cd80958d | 1285 | count = lttng_list_channels(handle, &channels); |
f3ed775e | 1286 | if (count < 0) { |
c7d620a2 DG |
1287 | switch (-count) { |
1288 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
fb14d0d8 JR |
1289 | if (lttng_opt_mi) { |
1290 | /* When printing mi this is not an error | |
1291 | * but an empty channels element */ | |
1292 | count = 0; | |
1293 | } else { | |
1294 | ret = CMD_SUCCESS; | |
1295 | WARN("No kernel channel"); | |
1296 | goto error_channels; | |
1297 | } | |
c7d620a2 DG |
1298 | break; |
1299 | default: | |
1300 | /* We had a real error */ | |
fb14d0d8 JR |
1301 | ret = CMD_ERROR; |
1302 | ERR("%s", lttng_strerror(count)); | |
1303 | goto error_channels; | |
60e835ca | 1304 | break; |
c7d620a2 | 1305 | } |
f3ed775e DG |
1306 | } |
1307 | ||
fb14d0d8 JR |
1308 | if (lttng_opt_mi) { |
1309 | /* Mi print */ | |
1310 | ret = mi_list_channels(channels, count, channel_name); | |
1311 | if (ret) { | |
1312 | ret = CMD_ERROR; | |
1313 | goto error; | |
1314 | } | |
1315 | } else { | |
1316 | /* Pretty print */ | |
ade7ce52 | 1317 | if (count) { |
fb14d0d8 JR |
1318 | MSG("Channels:\n-------------"); |
1319 | } | |
9f19cc17 | 1320 | |
fb14d0d8 JR |
1321 | for (i = 0; i < count; i++) { |
1322 | if (channel_name != NULL) { | |
1323 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1324 | chan_found = 1; | |
1325 | } else { | |
1326 | continue; | |
1327 | } | |
1328 | } | |
1329 | print_channel(&channels[i]); | |
1330 | ||
1331 | /* Listing events per channel */ | |
1332 | ret = list_events(channels[i].name); | |
1333 | if (ret) { | |
1334 | goto error; | |
1335 | } | |
1336 | ||
1337 | if (chan_found) { | |
1338 | break; | |
9f19cc17 DG |
1339 | } |
1340 | } | |
9f19cc17 | 1341 | |
fb14d0d8 JR |
1342 | if (!chan_found && channel_name != NULL) { |
1343 | ret = CMD_ERROR; | |
1344 | ERR("Channel %s not found", channel_name); | |
1345 | goto error; | |
9f19cc17 | 1346 | } |
fb14d0d8 JR |
1347 | } |
1348 | error: | |
1349 | free(channels); | |
9f19cc17 | 1350 | |
fb14d0d8 JR |
1351 | error_channels: |
1352 | return ret; | |
1353 | } | |
1354 | ||
a5dfbb9d MD |
1355 | /* |
1356 | * List tracker PID(s) of session and domain. | |
1357 | */ | |
1358 | static int list_tracker_pids(void) | |
1359 | { | |
ebbf5ab7 JR |
1360 | int ret = 0; |
1361 | int enabled; | |
a5dfbb9d | 1362 | int *pids = NULL; |
6223570f | 1363 | size_t nr_pids; |
a5dfbb9d MD |
1364 | |
1365 | ret = lttng_list_tracker_pids(handle, | |
1366 | &enabled, &pids, &nr_pids); | |
1367 | if (ret) { | |
1368 | return ret; | |
1369 | } | |
a5dfbb9d | 1370 | if (enabled) { |
6223570f JG |
1371 | int i; |
1372 | _MSG("PID tracker: ["); | |
a5dfbb9d | 1373 | |
ebbf5ab7 JR |
1374 | /* Mi tracker_pid element*/ |
1375 | if (writer) { | |
1376 | /* Open tracker_pid and targets elements */ | |
1377 | ret = mi_lttng_pid_tracker_open(writer); | |
1378 | if (ret) { | |
1379 | goto end; | |
1380 | } | |
1381 | } | |
1382 | ||
a5dfbb9d MD |
1383 | for (i = 0; i < nr_pids; i++) { |
1384 | if (i) { | |
1385 | _MSG(","); | |
1386 | } | |
1387 | _MSG(" %d", pids[i]); | |
ebbf5ab7 JR |
1388 | |
1389 | /* Mi */ | |
1390 | if (writer) { | |
1391 | ret = mi_lttng_pid_target(writer, pids[i], 0); | |
1392 | if (ret) { | |
1393 | goto end; | |
1394 | } | |
1395 | } | |
a5dfbb9d | 1396 | } |
6223570f | 1397 | _MSG(" ]\n\n"); |
ebbf5ab7 JR |
1398 | |
1399 | /* Mi close tracker_pid and targets */ | |
1400 | if (writer) { | |
1401 | ret = mi_lttng_close_multi_element(writer,2); | |
1402 | if (ret) { | |
1403 | goto end; | |
1404 | } | |
1405 | } | |
a5dfbb9d | 1406 | } |
ebbf5ab7 | 1407 | end: |
a5dfbb9d | 1408 | free(pids); |
ebbf5ab7 JR |
1409 | return ret; |
1410 | ||
1411 | } | |
1412 | ||
1413 | /* | |
1414 | * List all tracker of a domain | |
1415 | */ | |
1416 | static int list_trackers(void) | |
1417 | { | |
1418 | int ret; | |
1419 | ||
1420 | /* Trackers listing */ | |
1421 | if (lttng_opt_mi) { | |
1422 | ret = mi_lttng_trackers_open(writer); | |
1423 | if (ret) { | |
1424 | goto end; | |
1425 | } | |
1426 | } | |
1427 | ||
1428 | /* pid tracker */ | |
1429 | ret = list_tracker_pids(); | |
1430 | if (ret) { | |
1431 | goto end; | |
1432 | } | |
1433 | ||
1434 | if (lttng_opt_mi) { | |
1435 | /* Close trackers element */ | |
1436 | ret = mi_lttng_writer_close_element(writer); | |
1437 | if (ret) { | |
1438 | goto end; | |
1439 | } | |
1440 | } | |
1441 | ||
1442 | end: | |
1443 | return ret; | |
a5dfbb9d MD |
1444 | } |
1445 | ||
fb14d0d8 JR |
1446 | /* |
1447 | * Machine interface | |
1448 | * Find the session with session_name as name | |
1449 | * and print his informations. | |
1450 | */ | |
1451 | static int mi_list_session(const char *session_name, | |
1452 | struct lttng_session *sessions, int count) | |
1453 | { | |
1454 | int ret, i; | |
1455 | unsigned int session_found = 0; | |
1456 | ||
1457 | if (session_name == NULL) { | |
1458 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1459 | goto end; | |
1460 | } | |
1461 | ||
1462 | for (i = 0; i < count; i++) { | |
1463 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1464 | /* We need to leave it open to append other informations | |
1465 | * like domain, channel, events etc.*/ | |
1466 | session_found = 1; | |
1467 | ret = mi_lttng_session(writer, &sessions[i], 1); | |
1468 | if (ret) { | |
1469 | goto end; | |
1470 | } | |
9f19cc17 | 1471 | break; |
f3ed775e | 1472 | } |
f3ed775e DG |
1473 | } |
1474 | ||
fb14d0d8 JR |
1475 | if (!session_found) { |
1476 | ERR("Session '%s' not found", session_name); | |
1477 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1478 | goto end; | |
9f19cc17 | 1479 | } |
f3ed775e | 1480 | |
fb14d0d8 JR |
1481 | end: |
1482 | return ret; | |
1483 | } | |
f3ed775e | 1484 | |
fb14d0d8 JR |
1485 | /* |
1486 | * Machine interface | |
1487 | * List all availables session | |
1488 | */ | |
1489 | static int mi_list_sessions(struct lttng_session *sessions, int count) | |
1490 | { | |
1491 | int ret, i; | |
ae856491 | 1492 | |
fb14d0d8 JR |
1493 | /* Opening sessions element */ |
1494 | ret = mi_lttng_sessions_open(writer); | |
1495 | if (ret) { | |
1496 | goto end; | |
1497 | } | |
1498 | ||
1499 | /* Listing sessions */ | |
1500 | for (i = 0; i < count; i++) { | |
1501 | ret = mi_lttng_session(writer, &sessions[i], 0); | |
1502 | if (ret) { | |
1503 | goto end; | |
1504 | } | |
1505 | } | |
1506 | ||
1507 | /* Closing sessions element */ | |
1508 | ret = mi_lttng_writer_close_element(writer); | |
1509 | if (ret) { | |
1510 | goto end; | |
1511 | } | |
1512 | ||
1513 | end: | |
f3ed775e DG |
1514 | return ret; |
1515 | } | |
1516 | ||
1517 | /* | |
9f19cc17 | 1518 | * List available tracing session. List only basic information. |
f3ed775e | 1519 | * |
9f19cc17 | 1520 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 1521 | */ |
9f19cc17 | 1522 | static int list_sessions(const char *session_name) |
f3ed775e | 1523 | { |
fb14d0d8 JR |
1524 | int ret = CMD_SUCCESS; |
1525 | int count, i; | |
9f19cc17 DG |
1526 | unsigned int session_found = 0; |
1527 | struct lttng_session *sessions; | |
1528 | ||
1529 | count = lttng_list_sessions(&sessions); | |
1530 | DBG("Session count %d", count); | |
1531 | if (count < 0) { | |
fb14d0d8 JR |
1532 | ret = CMD_ERROR; |
1533 | ERR("%s", lttng_strerror(count)); | |
d32fb093 | 1534 | goto end; |
9f19cc17 DG |
1535 | } |
1536 | ||
fb14d0d8 JR |
1537 | if (lttng_opt_mi) { |
1538 | /* Mi */ | |
1539 | if (session_name == NULL) { | |
1540 | /* List all session */ | |
1541 | ret = mi_list_sessions(sessions, count); | |
1542 | } else { | |
1543 | /* Note : this return an open session element */ | |
1544 | ret = mi_list_session(session_name, sessions, count); | |
1545 | } | |
1546 | if (ret) { | |
1547 | ret = CMD_ERROR; | |
1548 | goto error; | |
1549 | } | |
1550 | } else { | |
1551 | /* Pretty print */ | |
1552 | if (count == 0) { | |
1553 | MSG("Currently no available tracing session"); | |
fb14d0d8 JR |
1554 | goto end; |
1555 | } | |
9f19cc17 | 1556 | |
fb14d0d8 JR |
1557 | if (session_name == NULL) { |
1558 | MSG("Available tracing sessions:"); | |
1559 | } | |
1560 | ||
1561 | ||
1562 | for (i = 0; i < count; i++) { | |
1563 | if (session_name != NULL) { | |
1564 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1565 | session_found = 1; | |
1566 | MSG("Tracing session %s: [%s%s]", session_name, | |
1567 | active_string(sessions[i].enabled), | |
1568 | snapshot_string(sessions[i].snapshot_mode)); | |
1569 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); | |
1570 | break; | |
1571 | } | |
1572 | } else { | |
1573 | MSG(" %d) %s (%s) [%s%s]", i + 1, | |
1574 | sessions[i].name, sessions[i].path, | |
2cbf8fed DG |
1575 | active_string(sessions[i].enabled), |
1576 | snapshot_string(sessions[i].snapshot_mode)); | |
2f785fe7 | 1577 | MSG("%sTrace path: %s", indent4, sessions[i].path); |
fcbc96a2 JG |
1578 | if (sessions[i].live_timer_interval != 0) { |
1579 | MSG("%sLive timer interval (usec): %u", indent4, | |
1580 | sessions[i].live_timer_interval); | |
1581 | } | |
1582 | MSG(""); | |
9f19cc17 | 1583 | } |
fb14d0d8 JR |
1584 | } |
1585 | ||
1586 | if (!session_found && session_name != NULL) { | |
1587 | ERR("Session '%s' not found", session_name); | |
1588 | ret = CMD_ERROR; | |
1589 | goto error; | |
1590 | } | |
1591 | ||
1592 | if (session_name == NULL) { | |
1593 | MSG("\nUse lttng list <session_name> for more details"); | |
9f19cc17 DG |
1594 | } |
1595 | } | |
1596 | ||
fb14d0d8 | 1597 | error: |
9f19cc17 | 1598 | free(sessions); |
fb14d0d8 JR |
1599 | end: |
1600 | return ret; | |
1601 | } | |
9f19cc17 | 1602 | |
fb14d0d8 JR |
1603 | |
1604 | /* | |
1605 | * Machine Interface | |
1606 | * list available domain(s) for a session. | |
1607 | */ | |
1608 | static int mi_list_domains(struct lttng_domain *domains, int count) | |
1609 | { | |
1610 | int i, ret; | |
1611 | /* Open domains element */ | |
1612 | ret = mi_lttng_domains_open(writer); | |
1613 | if (ret) { | |
1614 | goto end; | |
9f19cc17 DG |
1615 | } |
1616 | ||
fb14d0d8 JR |
1617 | for (i = 0; i < count; i++) { |
1618 | ret = mi_lttng_domain(writer, &domains[i] , 0); | |
1619 | if (ret) { | |
1620 | goto end; | |
1621 | } | |
9f19cc17 | 1622 | } |
f3ed775e | 1623 | |
fb14d0d8 JR |
1624 | /* Closing domains element */ |
1625 | ret = mi_lttng_writer_close_element(writer); | |
1626 | if (ret) { | |
1627 | goto end; | |
1628 | } | |
d32fb093 | 1629 | end: |
f3ed775e DG |
1630 | return ret; |
1631 | } | |
f3ed775e DG |
1632 | |
1633 | /* | |
9f19cc17 | 1634 | * List available domain(s) for a session. |
f3ed775e | 1635 | */ |
330be774 | 1636 | static int list_domains(const char *session_name) |
f3ed775e | 1637 | { |
9f19cc17 DG |
1638 | int i, count, ret = CMD_SUCCESS; |
1639 | struct lttng_domain *domains = NULL; | |
1640 | ||
9f19cc17 | 1641 | |
330be774 | 1642 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 | 1643 | if (count < 0) { |
fb14d0d8 JR |
1644 | ret = CMD_ERROR; |
1645 | ERR("%s", lttng_strerror(count)); | |
9f19cc17 DG |
1646 | goto end; |
1647 | } | |
1648 | ||
fb14d0d8 JR |
1649 | if (lttng_opt_mi) { |
1650 | /* Mi output */ | |
1651 | ret = mi_list_domains(domains, count); | |
1652 | if (ret) { | |
1653 | ret = CMD_ERROR; | |
1654 | goto error; | |
1655 | } | |
1656 | } else { | |
1657 | /* Pretty print */ | |
1658 | MSG("Domains:\n-------------"); | |
1659 | if (count == 0) { | |
1660 | MSG(" None"); | |
1661 | goto end; | |
1662 | } | |
1663 | ||
1664 | for (i = 0; i < count; i++) { | |
1665 | switch (domains[i].type) { | |
1666 | case LTTNG_DOMAIN_KERNEL: | |
1667 | MSG(" - Kernel"); | |
1668 | break; | |
1669 | case LTTNG_DOMAIN_UST: | |
1670 | MSG(" - UST global"); | |
1671 | break; | |
1672 | case LTTNG_DOMAIN_JUL: | |
1673 | MSG(" - JUL (Java Util Logging)"); | |
1674 | break; | |
5cdb6027 DG |
1675 | case LTTNG_DOMAIN_LOG4J: |
1676 | MSG(" - LOG4j (Logging for Java)"); | |
1677 | break; | |
0e115563 DG |
1678 | case LTTNG_DOMAIN_PYTHON: |
1679 | MSG(" - Python (logging)"); | |
1680 | break; | |
fb14d0d8 JR |
1681 | default: |
1682 | break; | |
1683 | } | |
9f19cc17 DG |
1684 | } |
1685 | } | |
1686 | ||
fb14d0d8 | 1687 | error: |
9f19cc17 DG |
1688 | free(domains); |
1689 | ||
fb14d0d8 | 1690 | end: |
9f19cc17 | 1691 | return ret; |
f3ed775e | 1692 | } |
f3ed775e DG |
1693 | |
1694 | /* | |
9f19cc17 | 1695 | * The 'list <options>' first level command |
f3ed775e DG |
1696 | */ |
1697 | int cmd_list(int argc, const char **argv) | |
1698 | { | |
c617c0c6 | 1699 | int opt, ret = CMD_SUCCESS; |
9f19cc17 | 1700 | const char *session_name; |
f3ed775e | 1701 | static poptContext pc; |
9f19cc17 DG |
1702 | struct lttng_domain domain; |
1703 | struct lttng_domain *domains = NULL; | |
f3ed775e | 1704 | |
441c16a7 MD |
1705 | memset(&domain, 0, sizeof(domain)); |
1706 | ||
9f19cc17 | 1707 | if (argc < 1) { |
f3ed775e | 1708 | usage(stderr); |
ca1c3607 | 1709 | ret = CMD_ERROR; |
f3ed775e DG |
1710 | goto end; |
1711 | } | |
1712 | ||
1713 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
1714 | poptReadDefaultConfig(pc, 0); | |
1715 | ||
1716 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
1717 | switch (opt) { | |
1718 | case OPT_HELP: | |
ca1c3607 | 1719 | usage(stdout); |
f3ed775e | 1720 | goto end; |
eeac7d46 MD |
1721 | case OPT_USERSPACE: |
1722 | opt_userspace = 1; | |
eeac7d46 | 1723 | break; |
679b4943 SM |
1724 | case OPT_LIST_OPTIONS: |
1725 | list_cmd_options(stdout, long_options); | |
679b4943 | 1726 | goto end; |
f3ed775e DG |
1727 | default: |
1728 | usage(stderr); | |
1729 | ret = CMD_UNDEFINED; | |
1730 | goto end; | |
1731 | } | |
1732 | } | |
1733 | ||
fb14d0d8 JR |
1734 | /* Mi check */ |
1735 | if (lttng_opt_mi) { | |
1736 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
1737 | if (!writer) { | |
1738 | ret = CMD_ERROR; | |
1739 | goto end; | |
1740 | } | |
1741 | ||
1742 | /* Open command element */ | |
1743 | ret = mi_lttng_writer_command_open(writer, | |
1744 | mi_lttng_element_command_list); | |
1745 | if (ret) { | |
1746 | ret = CMD_ERROR; | |
1747 | goto end; | |
1748 | } | |
1749 | ||
1750 | /* Open output element */ | |
1751 | ret = mi_lttng_writer_open_element(writer, | |
1752 | mi_lttng_element_command_output); | |
1753 | if (ret) { | |
1754 | ret = CMD_ERROR; | |
1755 | goto end; | |
1756 | } | |
1757 | } | |
1758 | ||
9f19cc17 DG |
1759 | /* Get session name (trailing argument) */ |
1760 | session_name = poptGetArg(pc); | |
b551a063 | 1761 | DBG2("Session name: %s", session_name); |
9f19cc17 | 1762 | |
cd80958d DG |
1763 | if (opt_kernel) { |
1764 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
1765 | } else if (opt_userspace) { |
1766 | DBG2("Listing userspace global domain"); | |
1767 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
1768 | } else if (opt_jul) { |
1769 | DBG2("Listing JUL domain"); | |
1770 | domain.type = LTTNG_DOMAIN_JUL; | |
edf60534 | 1771 | } else if (opt_log4j) { |
5cdb6027 | 1772 | domain.type = LTTNG_DOMAIN_LOG4J; |
0e115563 DG |
1773 | } else if (opt_python) { |
1774 | domain.type = LTTNG_DOMAIN_PYTHON; | |
cd80958d DG |
1775 | } |
1776 | ||
834978fd DG |
1777 | if (!opt_kernel && opt_syscall) { |
1778 | WARN("--syscall will only work with the Kernel domain (-k)"); | |
1779 | ret = CMD_ERROR; | |
1780 | goto end; | |
1781 | } | |
1782 | ||
0e115563 | 1783 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_python) { |
aa5de748 MD |
1784 | handle = lttng_create_handle(session_name, &domain); |
1785 | if (handle == NULL) { | |
1786 | ret = CMD_FATAL; | |
1787 | goto end; | |
1788 | } | |
cd80958d DG |
1789 | } |
1790 | ||
9f19cc17 | 1791 | if (session_name == NULL) { |
0e115563 DG |
1792 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j |
1793 | && !opt_python) { | |
b551a063 | 1794 | ret = list_sessions(NULL); |
fb14d0d8 | 1795 | if (ret) { |
b551a063 DG |
1796 | goto end; |
1797 | } | |
1798 | } | |
9f19cc17 | 1799 | if (opt_kernel) { |
834978fd DG |
1800 | if (opt_syscall) { |
1801 | ret = list_syscalls(); | |
1802 | if (ret) { | |
1803 | goto end; | |
1804 | } | |
1805 | } else { | |
1806 | ret = list_kernel_events(); | |
1807 | if (ret) { | |
1808 | goto end; | |
1809 | } | |
9f19cc17 | 1810 | } |
b551a063 DG |
1811 | } |
1812 | if (opt_userspace) { | |
f37d259d MD |
1813 | if (opt_fields) { |
1814 | ret = list_ust_event_fields(); | |
1815 | } else { | |
1816 | ret = list_ust_events(); | |
1817 | } | |
fb14d0d8 | 1818 | if (ret) { |
9f19cc17 DG |
1819 | goto end; |
1820 | } | |
1821 | } | |
0e115563 | 1822 | if (opt_jul || opt_log4j || opt_python) { |
5cdb6027 | 1823 | ret = list_agent_events(); |
fb14d0d8 | 1824 | if (ret) { |
3c6a091f DG |
1825 | goto end; |
1826 | } | |
1827 | } | |
9f19cc17 DG |
1828 | } else { |
1829 | /* List session attributes */ | |
fb14d0d8 JR |
1830 | if (lttng_opt_mi) { |
1831 | /* Open element sessions | |
1832 | * Present for xml consistency */ | |
1833 | ret = mi_lttng_sessions_open(writer); | |
1834 | if (ret) { | |
1835 | goto end; | |
1836 | } | |
1837 | } | |
1838 | /* MI: the ouptut of list_sessions is an unclosed session element */ | |
9f19cc17 | 1839 | ret = list_sessions(session_name); |
fb14d0d8 | 1840 | if (ret) { |
9f19cc17 DG |
1841 | goto end; |
1842 | } | |
1843 | ||
1844 | /* Domain listing */ | |
1845 | if (opt_domain) { | |
330be774 | 1846 | ret = list_domains(session_name); |
9f19cc17 DG |
1847 | goto end; |
1848 | } | |
1849 | ||
fb14d0d8 | 1850 | /* Channel listing */ |
1c3de747 | 1851 | if (opt_kernel || opt_userspace) { |
fb14d0d8 JR |
1852 | if (lttng_opt_mi) { |
1853 | /* Add of domains and domain element for xml | |
1854 | * consistency and validation | |
1855 | */ | |
1856 | ret = mi_lttng_domains_open(writer); | |
1857 | if (ret) { | |
1858 | goto end; | |
1859 | } | |
1860 | ||
1861 | /* Open domain and leave it open for | |
1862 | * nested channels printing */ | |
1863 | ret = mi_lttng_domain(writer, &domain, 1); | |
1864 | if (ret) { | |
1865 | goto end; | |
1866 | } | |
1867 | ||
1868 | } | |
1869 | ||
ebbf5ab7 JR |
1870 | |
1871 | /* Trackers */ | |
1872 | ret = list_trackers(); | |
a5dfbb9d MD |
1873 | if (ret) { |
1874 | goto end; | |
1875 | } | |
1876 | ||
ebbf5ab7 | 1877 | /* Channels */ |
cd80958d | 1878 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
1879 | if (ret) { |
1880 | goto end; | |
1881 | } | |
1882 | ||
1883 | if (lttng_opt_mi) { | |
1884 | /* Close domain and domain element */ | |
1885 | ret = mi_lttng_close_multi_element(writer, 2); | |
1886 | } | |
1887 | if (ret) { | |
9f19cc17 DG |
1888 | goto end; |
1889 | } | |
fb14d0d8 JR |
1890 | |
1891 | ||
9f19cc17 | 1892 | } else { |
c617c0c6 MD |
1893 | int i, nb_domain; |
1894 | ||
9f19cc17 | 1895 | /* We want all domain(s) */ |
330be774 | 1896 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 1897 | if (nb_domain < 0) { |
fb14d0d8 JR |
1898 | ret = CMD_ERROR; |
1899 | ERR("%s", lttng_strerror(nb_domain)); | |
9f19cc17 DG |
1900 | goto end; |
1901 | } | |
1902 | ||
fb14d0d8 JR |
1903 | if (lttng_opt_mi) { |
1904 | ret = mi_lttng_domains_open(writer); | |
1905 | if (ret) { | |
1906 | ret = CMD_ERROR; | |
1907 | goto end; | |
1908 | } | |
1909 | } | |
1910 | ||
b551a063 | 1911 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
1912 | switch (domains[i].type) { |
1913 | case LTTNG_DOMAIN_KERNEL: | |
1914 | MSG("=== Domain: Kernel ===\n"); | |
1915 | break; | |
b551a063 DG |
1916 | case LTTNG_DOMAIN_UST: |
1917 | MSG("=== Domain: UST global ===\n"); | |
88c5f0d8 DG |
1918 | MSG("Buffer type: %s\n", |
1919 | domains[i].buf_type == | |
1920 | LTTNG_BUFFER_PER_PID ? "per PID" : "per UID"); | |
b551a063 | 1921 | break; |
3c6a091f DG |
1922 | case LTTNG_DOMAIN_JUL: |
1923 | MSG("=== Domain: JUL (Java Util Logging) ===\n"); | |
1924 | break; | |
5cdb6027 DG |
1925 | case LTTNG_DOMAIN_LOG4J: |
1926 | MSG("=== Domain: LOG4j (Logging for Java) ===\n"); | |
1927 | break; | |
0e115563 DG |
1928 | case LTTNG_DOMAIN_PYTHON: |
1929 | MSG("=== Domain: Python (logging) ===\n"); | |
1930 | break; | |
9f19cc17 DG |
1931 | default: |
1932 | MSG("=== Domain: Unimplemented ===\n"); | |
1933 | break; | |
1934 | } | |
1935 | ||
fb14d0d8 JR |
1936 | if (lttng_opt_mi) { |
1937 | ret = mi_lttng_domain(writer, &domains[i], 1); | |
1938 | if (ret) { | |
1939 | ret = CMD_ERROR; | |
1940 | goto end; | |
1941 | } | |
1942 | } | |
1943 | ||
cd80958d | 1944 | /* Clean handle before creating a new one */ |
aa5de748 MD |
1945 | if (handle) { |
1946 | lttng_destroy_handle(handle); | |
1947 | } | |
cd80958d DG |
1948 | |
1949 | handle = lttng_create_handle(session_name, &domains[i]); | |
1950 | if (handle == NULL) { | |
ca1c3607 | 1951 | ret = CMD_FATAL; |
cd80958d DG |
1952 | goto end; |
1953 | } | |
1954 | ||
5cdb6027 | 1955 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
0e115563 DG |
1956 | domains[i].type == LTTNG_DOMAIN_LOG4J || |
1957 | domains[i].type == LTTNG_DOMAIN_PYTHON) { | |
5cdb6027 | 1958 | ret = list_session_agent_events(); |
fb14d0d8 | 1959 | if (ret) { |
3c6a091f DG |
1960 | goto end; |
1961 | } | |
cd7b2927 PP |
1962 | |
1963 | goto next_domain; | |
3c6a091f | 1964 | } |
a5dfbb9d MD |
1965 | |
1966 | switch (domains[i].type) { | |
1967 | case LTTNG_DOMAIN_KERNEL: | |
1968 | case LTTNG_DOMAIN_UST: | |
ebbf5ab7 | 1969 | ret = list_trackers(); |
a5dfbb9d MD |
1970 | if (ret) { |
1971 | goto end; | |
1972 | } | |
1973 | break; | |
1974 | default: | |
1975 | break; | |
1976 | } | |
3c6a091f | 1977 | |
cd80958d | 1978 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
1979 | if (ret) { |
1980 | goto end; | |
1981 | } | |
1982 | ||
cd7b2927 | 1983 | next_domain: |
fb14d0d8 JR |
1984 | if (lttng_opt_mi) { |
1985 | /* Close domain element */ | |
1986 | ret = mi_lttng_writer_close_element(writer); | |
1987 | if (ret) { | |
1988 | ret = CMD_ERROR; | |
1989 | goto end; | |
1990 | } | |
1991 | } | |
1992 | ||
1993 | } | |
1994 | if (lttng_opt_mi) { | |
1995 | /* Close the domains, session and sessions element */ | |
1996 | ret = mi_lttng_close_multi_element(writer, 3); | |
1997 | if (ret) { | |
1998 | ret = CMD_ERROR; | |
9f19cc17 DG |
1999 | goto end; |
2000 | } | |
2001 | } | |
2002 | } | |
f3ed775e DG |
2003 | } |
2004 | ||
fb14d0d8 JR |
2005 | /* Mi closing */ |
2006 | if (lttng_opt_mi) { | |
2007 | /* Close output element */ | |
2008 | ret = mi_lttng_writer_close_element(writer); | |
2009 | if (ret) { | |
2010 | ret = CMD_ERROR; | |
2011 | goto end; | |
2012 | } | |
2013 | ||
2014 | /* Command element close */ | |
2015 | ret = mi_lttng_writer_command_close(writer); | |
2016 | if (ret) { | |
2017 | ret = CMD_ERROR; | |
2018 | goto end; | |
2019 | } | |
2020 | } | |
f3ed775e | 2021 | end: |
fb14d0d8 JR |
2022 | /* Mi clean-up */ |
2023 | if (writer && mi_lttng_writer_destroy(writer)) { | |
2024 | /* Preserve original error code */ | |
2025 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
2026 | } | |
2027 | ||
0e428499 | 2028 | free(domains); |
aa5de748 MD |
2029 | if (handle) { |
2030 | lttng_destroy_handle(handle); | |
2031 | } | |
cd80958d | 2032 | |
ca1c3607 | 2033 | poptFreeContext(pc); |
f3ed775e DG |
2034 | return ret; |
2035 | } |