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; | |
214 | int count; | |
215 | size_t i; | |
216 | const char * const exclusion_fmt = " [exclusions: "; | |
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 + | |
237 | strlen(exclusion_fmt) + 1); | |
238 | if (!exclusion_msg) { | |
239 | goto end; | |
240 | } | |
241 | ||
242 | at = exclusion_msg; | |
243 | count = sprintf(at, exclusion_fmt); | |
244 | at += count; | |
245 | ||
246 | for (i = 0; i < exclusion_count; ++i) { | |
247 | const char *name; | |
248 | ||
249 | /* Append comma between exclusion names */ | |
250 | if (i > 0) { | |
251 | *at = ','; | |
252 | at++; | |
253 | } | |
254 | ||
255 | ret = lttng_event_get_exclusion_name(event, i, &name); | |
256 | if (ret) { | |
257 | /* Prints '?' on local error; should never happen */ | |
258 | *at = '?'; | |
259 | at++; | |
260 | continue; | |
261 | } | |
262 | ||
263 | /* Append exclusion name */ | |
264 | count = sprintf(at, "%s", name); | |
265 | at += count; | |
266 | } | |
267 | ||
268 | /* This also puts a final '\0' at the end of exclusion_msg */ | |
269 | sprintf(at, "]"); | |
270 | ||
271 | end: | |
272 | return exclusion_msg; | |
273 | } | |
274 | ||
b551a063 DG |
275 | /* |
276 | * Pretty print single event. | |
277 | */ | |
278 | static void print_events(struct lttng_event *event) | |
279 | { | |
4adbcc72 PP |
280 | int ret; |
281 | const char *filter_str; | |
282 | char *filter_msg = NULL; | |
7b4a95b1 | 283 | char *exclusion_msg = NULL; |
4adbcc72 PP |
284 | |
285 | ret = lttng_event_get_filter_string(event, &filter_str); | |
286 | ||
287 | if (ret) { | |
288 | filter_msg = strdup(" [failed to retrieve filter]"); | |
289 | } else if (filter_str) { | |
290 | const char * const filter_fmt = " [filter: '%s']"; | |
291 | ||
292 | filter_msg = malloc(strlen(filter_str) + | |
293 | strlen(filter_fmt) + 1); | |
294 | if (filter_msg) { | |
295 | sprintf(filter_msg, filter_fmt, | |
296 | filter_str); | |
297 | } | |
298 | } | |
299 | ||
7b4a95b1 PP |
300 | exclusion_msg = get_exclusion_names_msg(event); |
301 | if (!exclusion_msg) { | |
302 | exclusion_msg = strdup(" [failed to retrieve exclusions]"); | |
303 | } | |
304 | ||
b551a063 DG |
305 | switch (event->type) { |
306 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 307 | { |
8b703175 | 308 | if (event->loglevel != -1) { |
af6bce80 | 309 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
8b703175 | 310 | indent6, |
81afa345 | 311 | event->name, |
1f0e17de | 312 | logleveltype_string(event->loglevel_type), |
970d848b | 313 | mi_lttng_loglevel_string(event->loglevel, handle->domain.type), |
8b703175 | 314 | event->loglevel, |
fceb65df | 315 | enabled_string(event->enabled), |
7b4a95b1 PP |
316 | safe_string(exclusion_msg), |
317 | safe_string(filter_msg)); | |
8b703175 | 318 | } else { |
4634f12e | 319 | MSG("%s%s (type: tracepoint)%s%s%s", |
8b703175 MD |
320 | indent6, |
321 | event->name, | |
fceb65df | 322 | enabled_string(event->enabled), |
7b4a95b1 PP |
323 | safe_string(exclusion_msg), |
324 | safe_string(filter_msg)); | |
8b703175 | 325 | } |
b551a063 | 326 | break; |
e4baff1e | 327 | } |
1896972b DG |
328 | case LTTNG_EVENT_FUNCTION: |
329 | MSG("%s%s (type: function)%s%s", indent6, | |
330 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 331 | safe_string(filter_msg)); |
1896972b DG |
332 | if (event->attr.probe.addr != 0) { |
333 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
334 | } else { | |
335 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
336 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
337 | } | |
338 | break; | |
b551a063 | 339 | case LTTNG_EVENT_PROBE: |
fceb65df MD |
340 | MSG("%s%s (type: probe)%s%s", indent6, |
341 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 342 | safe_string(filter_msg)); |
b551a063 DG |
343 | if (event->attr.probe.addr != 0) { |
344 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
345 | } else { | |
346 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
347 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
348 | } | |
349 | break; | |
b551a063 | 350 | case LTTNG_EVENT_FUNCTION_ENTRY: |
fceb65df MD |
351 | MSG("%s%s (type: function)%s%s", indent6, |
352 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 353 | safe_string(filter_msg)); |
b551a063 DG |
354 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
355 | break; | |
356 | case LTTNG_EVENT_SYSCALL: | |
834978fd DG |
357 | MSG("%s%s%s%s%s", indent6, event->name, |
358 | (opt_syscall ? "" : " (type:syscall)"), | |
fceb65df | 359 | enabled_string(event->enabled), |
834978fd | 360 | bitness_event(event->flags)); |
b551a063 DG |
361 | break; |
362 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
363 | MSG("%s (type: noop)%s%s", indent6, |
364 | enabled_string(event->enabled), | |
7b4a95b1 | 365 | safe_string(filter_msg)); |
b551a063 DG |
366 | break; |
367 | case LTTNG_EVENT_ALL: | |
368 | /* We should never have "all" events in list. */ | |
369 | assert(0); | |
370 | break; | |
371 | } | |
4adbcc72 PP |
372 | |
373 | free(filter_msg); | |
7b4a95b1 | 374 | free(exclusion_msg); |
b551a063 DG |
375 | } |
376 | ||
f37d259d MD |
377 | static const char *field_type(struct lttng_event_field *field) |
378 | { | |
379 | switch(field->type) { | |
380 | case LTTNG_EVENT_FIELD_INTEGER: | |
381 | return "integer"; | |
382 | case LTTNG_EVENT_FIELD_ENUM: | |
383 | return "enum"; | |
384 | case LTTNG_EVENT_FIELD_FLOAT: | |
385 | return "float"; | |
386 | case LTTNG_EVENT_FIELD_STRING: | |
387 | return "string"; | |
388 | case LTTNG_EVENT_FIELD_OTHER: | |
389 | default: /* fall-through */ | |
390 | return "unknown"; | |
391 | } | |
392 | } | |
393 | ||
394 | /* | |
395 | * Pretty print single event fields. | |
396 | */ | |
397 | static void print_event_field(struct lttng_event_field *field) | |
398 | { | |
399 | if (!field->field_name[0]) { | |
400 | return; | |
401 | } | |
d8fbe2a9 | 402 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 403 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
404 | } |
405 | ||
fb14d0d8 JR |
406 | /* |
407 | * Machine interface | |
408 | * Jul and ust event listing | |
409 | */ | |
5cdb6027 | 410 | static int mi_list_agent_ust_events(struct lttng_event *events, int count, |
fb14d0d8 JR |
411 | struct lttng_domain *domain) |
412 | { | |
413 | int ret, i; | |
414 | pid_t cur_pid = 0; | |
415 | char *cmdline = NULL; | |
416 | int pid_element_open = 0; | |
417 | ||
418 | /* Open domains element */ | |
419 | ret = mi_lttng_domains_open(writer); | |
420 | if (ret) { | |
421 | goto end; | |
422 | } | |
423 | ||
424 | /* Write domain */ | |
425 | ret = mi_lttng_domain(writer, domain, 1); | |
426 | if (ret) { | |
427 | goto end; | |
428 | } | |
429 | ||
bf239d4c JR |
430 | /* Open pids element element */ |
431 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
432 | if (ret) { |
433 | goto end; | |
434 | } | |
435 | ||
436 | for (i = 0; i < count; i++) { | |
437 | if (cur_pid != events[i].pid) { | |
438 | if (pid_element_open) { | |
2e9aecb9 | 439 | /* Close the previous events and pid element */ |
fb14d0d8 JR |
440 | ret = mi_lttng_close_multi_element(writer, 2); |
441 | if (ret) { | |
442 | goto end; | |
443 | } | |
444 | pid_element_open = 0; | |
445 | } | |
446 | ||
447 | cur_pid = events[i].pid; | |
448 | cmdline = get_cmdline_by_pid(cur_pid); | |
449 | if (!cmdline) { | |
450 | ret = CMD_ERROR; | |
451 | goto end; | |
452 | } | |
453 | ||
454 | if (!pid_element_open) { | |
455 | /* Open and write a pid element */ | |
bf239d4c | 456 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); |
fb14d0d8 JR |
457 | if (ret) { |
458 | goto error; | |
459 | } | |
460 | ||
461 | /* Open events element */ | |
462 | ret = mi_lttng_events_open(writer); | |
463 | if (ret) { | |
464 | goto error; | |
465 | } | |
466 | ||
467 | pid_element_open = 1; | |
468 | } | |
469 | free(cmdline); | |
470 | } | |
471 | ||
472 | /* Write an event */ | |
970d848b | 473 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
474 | if (ret) { |
475 | goto end; | |
476 | } | |
477 | } | |
478 | ||
bf239d4c | 479 | /* Close pids */ |
fb14d0d8 JR |
480 | ret = mi_lttng_writer_close_element(writer); |
481 | if (ret) { | |
482 | goto end; | |
483 | } | |
484 | ||
485 | /* Close domain, domains */ | |
486 | ret = mi_lttng_close_multi_element(writer, 2); | |
487 | end: | |
488 | return ret; | |
489 | error: | |
490 | free(cmdline); | |
491 | return ret; | |
492 | } | |
493 | ||
5cdb6027 | 494 | static int list_agent_events(void) |
3c6a091f | 495 | { |
fb14d0d8 | 496 | int i, size, ret = CMD_SUCCESS; |
3c6a091f | 497 | struct lttng_domain domain; |
26c610c9 | 498 | struct lttng_handle *handle = NULL; |
469b972b | 499 | struct lttng_event *event_list = NULL; |
3c6a091f DG |
500 | pid_t cur_pid = 0; |
501 | char *cmdline = NULL; | |
5cdb6027 | 502 | const char *agent_domain_str; |
3c6a091f DG |
503 | |
504 | memset(&domain, 0, sizeof(domain)); | |
5cdb6027 DG |
505 | if (opt_jul) { |
506 | domain.type = LTTNG_DOMAIN_JUL; | |
507 | } else if (opt_log4j) { | |
508 | domain.type = LTTNG_DOMAIN_LOG4J; | |
0e115563 DG |
509 | } else if (opt_python) { |
510 | domain.type = LTTNG_DOMAIN_PYTHON; | |
26c610c9 JG |
511 | } else { |
512 | ERR("Invalid agent domain selected."); | |
513 | ret = CMD_ERROR; | |
514 | goto error; | |
5cdb6027 DG |
515 | } |
516 | ||
517 | agent_domain_str = get_domain_str(domain.type); | |
518 | ||
519 | DBG("Getting %s tracing events", agent_domain_str); | |
3c6a091f DG |
520 | |
521 | handle = lttng_create_handle(NULL, &domain); | |
522 | if (handle == NULL) { | |
fb14d0d8 JR |
523 | ret = CMD_ERROR; |
524 | goto end; | |
3c6a091f DG |
525 | } |
526 | ||
527 | size = lttng_list_tracepoints(handle, &event_list); | |
528 | if (size < 0) { | |
5cdb6027 DG |
529 | ERR("Unable to list %s events: %s", agent_domain_str, |
530 | lttng_strerror(size)); | |
fb14d0d8 JR |
531 | ret = CMD_ERROR; |
532 | goto end; | |
3c6a091f DG |
533 | } |
534 | ||
fb14d0d8 JR |
535 | if (lttng_opt_mi) { |
536 | /* Mi print */ | |
5cdb6027 | 537 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
538 | if (ret) { |
539 | ret = CMD_ERROR; | |
540 | goto error; | |
3c6a091f | 541 | } |
fb14d0d8 JR |
542 | } else { |
543 | /* Pretty print */ | |
5cdb6027 DG |
544 | MSG("%s events (Logger name):\n-------------------------", |
545 | agent_domain_str); | |
3c6a091f | 546 | |
fb14d0d8 JR |
547 | if (size == 0) { |
548 | MSG("None"); | |
549 | } | |
3c6a091f | 550 | |
fb14d0d8 JR |
551 | for (i = 0; i < size; i++) { |
552 | if (cur_pid != event_list[i].pid) { | |
553 | cur_pid = event_list[i].pid; | |
554 | cmdline = get_cmdline_by_pid(cur_pid); | |
555 | if (cmdline == NULL) { | |
556 | ret = CMD_ERROR; | |
557 | goto error; | |
558 | } | |
559 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
560 | free(cmdline); | |
561 | } | |
562 | MSG("%s- %s", indent6, event_list[i].name); | |
563 | } | |
3c6a091f | 564 | |
fb14d0d8 JR |
565 | MSG(""); |
566 | } | |
3c6a091f DG |
567 | |
568 | error: | |
fb14d0d8 JR |
569 | free(event_list); |
570 | end: | |
3c6a091f | 571 | lttng_destroy_handle(handle); |
fb14d0d8 | 572 | return ret; |
3c6a091f DG |
573 | } |
574 | ||
b551a063 DG |
575 | /* |
576 | * Ask session daemon for all user space tracepoints available. | |
577 | */ | |
578 | static int list_ust_events(void) | |
579 | { | |
fb14d0d8 | 580 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
581 | struct lttng_domain domain; |
582 | struct lttng_handle *handle; | |
bec97646 | 583 | struct lttng_event *event_list = NULL; |
b551a063 | 584 | pid_t cur_pid = 0; |
ea5cbc00 | 585 | char *cmdline = NULL; |
b551a063 | 586 | |
441c16a7 MD |
587 | memset(&domain, 0, sizeof(domain)); |
588 | ||
b551a063 DG |
589 | DBG("Getting UST tracing events"); |
590 | ||
591 | domain.type = LTTNG_DOMAIN_UST; | |
592 | ||
593 | handle = lttng_create_handle(NULL, &domain); | |
594 | if (handle == NULL) { | |
fb14d0d8 JR |
595 | ret = CMD_ERROR; |
596 | goto end; | |
b551a063 DG |
597 | } |
598 | ||
599 | size = lttng_list_tracepoints(handle, &event_list); | |
600 | if (size < 0) { | |
60e835ca | 601 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
fb14d0d8 JR |
602 | ret = CMD_ERROR; |
603 | goto error; | |
b551a063 DG |
604 | } |
605 | ||
fb14d0d8 JR |
606 | if (lttng_opt_mi) { |
607 | /* Mi print */ | |
5cdb6027 | 608 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
609 | } else { |
610 | /* Pretty print */ | |
611 | MSG("UST events:\n-------------"); | |
612 | ||
613 | if (size == 0) { | |
614 | MSG("None"); | |
615 | } | |
616 | ||
617 | for (i = 0; i < size; i++) { | |
618 | if (cur_pid != event_list[i].pid) { | |
619 | cur_pid = event_list[i].pid; | |
620 | cmdline = get_cmdline_by_pid(cur_pid); | |
621 | if (cmdline == NULL) { | |
622 | ret = CMD_ERROR; | |
623 | goto error; | |
624 | } | |
625 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
626 | free(cmdline); | |
627 | } | |
628 | print_events(&event_list[i]); | |
629 | } | |
b551a063 | 630 | |
fb14d0d8 | 631 | MSG(""); |
b551a063 DG |
632 | } |
633 | ||
fb14d0d8 JR |
634 | error: |
635 | free(event_list); | |
636 | end: | |
637 | lttng_destroy_handle(handle); | |
638 | return ret; | |
639 | } | |
640 | ||
641 | /* | |
642 | * Machine interface | |
643 | * List all ust event with their fields | |
644 | */ | |
645 | static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count, | |
646 | struct lttng_domain *domain) | |
647 | { | |
648 | int ret, i; | |
649 | pid_t cur_pid = 0; | |
650 | char *cmdline = NULL; | |
651 | int pid_element_open = 0; | |
652 | int event_element_open = 0; | |
653 | struct lttng_event cur_event; | |
654 | ||
655 | /* Open domains element */ | |
656 | ret = mi_lttng_domains_open(writer); | |
657 | if (ret) { | |
658 | goto end; | |
659 | } | |
660 | ||
661 | /* Write domain */ | |
662 | ret = mi_lttng_domain(writer, domain, 1); | |
663 | if (ret) { | |
664 | goto end; | |
665 | } | |
666 | ||
bf239d4c JR |
667 | /* Open pids element */ |
668 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
669 | if (ret) { |
670 | goto end; | |
671 | } | |
672 | ||
673 | for (i = 0; i < count; i++) { | |
674 | if (cur_pid != fields[i].event.pid) { | |
675 | if (pid_element_open) { | |
676 | if (event_element_open) { | |
485ca16f DG |
677 | |
678 | /* Close the previous field element and event. */ | |
fb14d0d8 JR |
679 | ret = mi_lttng_close_multi_element(writer, 2); |
680 | if (ret) { | |
681 | goto end; | |
682 | } | |
683 | event_element_open = 0; | |
684 | } | |
685 | /* Close the previous events, pid element */ | |
686 | ret = mi_lttng_close_multi_element(writer, 2); | |
687 | if (ret) { | |
688 | goto end; | |
689 | } | |
690 | pid_element_open = 0; | |
691 | } | |
692 | ||
693 | cur_pid = fields[i].event.pid; | |
ea5cbc00 | 694 | cmdline = get_cmdline_by_pid(cur_pid); |
fb14d0d8 | 695 | if (!pid_element_open) { |
bf239d4c JR |
696 | /* Open and write a pid element */ |
697 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); | |
fb14d0d8 JR |
698 | if (ret) { |
699 | goto error; | |
700 | } | |
701 | ||
702 | /* Open events element */ | |
703 | ret = mi_lttng_events_open(writer); | |
704 | if (ret) { | |
705 | goto error; | |
706 | } | |
707 | pid_element_open = 1; | |
708 | } | |
ea5cbc00 | 709 | free(cmdline); |
fb14d0d8 JR |
710 | /* Wipe current event since we are about to print a new PID. */ |
711 | memset(&cur_event, 0, sizeof(cur_event)); | |
b551a063 | 712 | } |
b551a063 | 713 | |
fb14d0d8 JR |
714 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
715 | if (event_element_open) { | |
716 | /* Close the previous fields element and the previous event */ | |
717 | ret = mi_lttng_close_multi_element(writer, 2); | |
718 | if (ret) { | |
719 | goto end; | |
720 | } | |
721 | event_element_open = 0; | |
722 | } | |
723 | ||
724 | memcpy(&cur_event, &fields[i].event, | |
725 | sizeof(cur_event)); | |
b551a063 | 726 | |
fb14d0d8 JR |
727 | if (!event_element_open) { |
728 | /* Open and write the event */ | |
970d848b DG |
729 | ret = mi_lttng_event(writer, &cur_event, 1, |
730 | handle->domain.type); | |
fb14d0d8 JR |
731 | if (ret) { |
732 | goto end; | |
733 | } | |
734 | ||
735 | /* Open a fields element */ | |
736 | ret = mi_lttng_event_fields_open(writer); | |
737 | if (ret) { | |
738 | goto end; | |
739 | } | |
740 | event_element_open = 1; | |
741 | } | |
742 | } | |
b551a063 | 743 | |
fb14d0d8 JR |
744 | /* Print the event_field */ |
745 | ret = mi_lttng_event_field(writer, &fields[i]); | |
746 | if (ret) { | |
747 | goto end; | |
748 | } | |
749 | } | |
b551a063 | 750 | |
bf239d4c | 751 | /* Close pid, domain, domains */ |
fb14d0d8 JR |
752 | ret = mi_lttng_close_multi_element(writer, 3); |
753 | end: | |
754 | return ret; | |
b551a063 | 755 | error: |
fb14d0d8 JR |
756 | free(cmdline); |
757 | return ret; | |
b551a063 | 758 | } |
f3ed775e | 759 | |
f37d259d MD |
760 | /* |
761 | * Ask session daemon for all user space tracepoint fields available. | |
762 | */ | |
763 | static int list_ust_event_fields(void) | |
764 | { | |
fb14d0d8 | 765 | int i, size, ret = CMD_SUCCESS; |
f37d259d MD |
766 | struct lttng_domain domain; |
767 | struct lttng_handle *handle; | |
768 | struct lttng_event_field *event_field_list; | |
769 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
770 | char *cmdline = NULL; |
771 | ||
f37d259d MD |
772 | struct lttng_event cur_event; |
773 | ||
774 | memset(&domain, 0, sizeof(domain)); | |
775 | memset(&cur_event, 0, sizeof(cur_event)); | |
776 | ||
777 | DBG("Getting UST tracing event fields"); | |
778 | ||
779 | domain.type = LTTNG_DOMAIN_UST; | |
780 | ||
781 | handle = lttng_create_handle(NULL, &domain); | |
782 | if (handle == NULL) { | |
fb14d0d8 JR |
783 | ret = CMD_ERROR; |
784 | goto end; | |
f37d259d MD |
785 | } |
786 | ||
787 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
788 | if (size < 0) { | |
60e835ca | 789 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
fb14d0d8 JR |
790 | ret = CMD_ERROR; |
791 | goto end; | |
f37d259d MD |
792 | } |
793 | ||
fb14d0d8 JR |
794 | if (lttng_opt_mi) { |
795 | /* Mi print */ | |
796 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); | |
797 | if (ret) { | |
798 | ret = CMD_ERROR; | |
799 | goto error; | |
800 | } | |
801 | } else { | |
802 | /* Pretty print */ | |
803 | MSG("UST events:\n-------------"); | |
f37d259d | 804 | |
fb14d0d8 JR |
805 | if (size == 0) { |
806 | MSG("None"); | |
f37d259d | 807 | } |
fb14d0d8 JR |
808 | |
809 | for (i = 0; i < size; i++) { | |
810 | if (cur_pid != event_field_list[i].event.pid) { | |
811 | cur_pid = event_field_list[i].event.pid; | |
812 | cmdline = get_cmdline_by_pid(cur_pid); | |
813 | if (cmdline == NULL) { | |
814 | ret = CMD_ERROR; | |
815 | goto error; | |
816 | } | |
817 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
818 | free(cmdline); | |
819 | /* Wipe current event since we are about to print a new PID. */ | |
820 | memset(&cur_event, 0, sizeof(cur_event)); | |
821 | } | |
822 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
823 | print_events(&event_field_list[i].event); | |
824 | memcpy(&cur_event, &event_field_list[i].event, | |
825 | sizeof(cur_event)); | |
826 | } | |
827 | print_event_field(&event_field_list[i]); | |
f37d259d | 828 | } |
f37d259d | 829 | |
fb14d0d8 JR |
830 | MSG(""); |
831 | } | |
f37d259d | 832 | |
fb14d0d8 | 833 | error: |
f37d259d | 834 | free(event_field_list); |
fb14d0d8 | 835 | end: |
f37d259d | 836 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
837 | return ret; |
838 | } | |
f37d259d | 839 | |
fb14d0d8 JR |
840 | /* |
841 | * Machine interface | |
842 | * Print a list of kernel events | |
843 | */ | |
844 | static int mi_list_kernel_events(struct lttng_event *events, int count, | |
845 | struct lttng_domain *domain) | |
846 | { | |
847 | int ret, i; | |
f37d259d | 848 | |
fb14d0d8 JR |
849 | /* Open domains element */ |
850 | ret = mi_lttng_domains_open(writer); | |
851 | if (ret) { | |
852 | goto end; | |
853 | } | |
854 | ||
855 | /* Write domain */ | |
856 | ret = mi_lttng_domain(writer, domain, 1); | |
857 | if (ret) { | |
858 | goto end; | |
859 | } | |
860 | ||
861 | /* Open events */ | |
862 | ret = mi_lttng_events_open(writer); | |
863 | if (ret) { | |
864 | goto end; | |
865 | } | |
866 | ||
867 | for (i = 0; i < count; i++) { | |
970d848b | 868 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
869 | if (ret) { |
870 | goto end; | |
871 | } | |
872 | } | |
873 | ||
874 | /* close events, domain and domains */ | |
875 | ret = mi_lttng_close_multi_element(writer, 3); | |
876 | if (ret) { | |
877 | goto end; | |
878 | } | |
879 | ||
880 | end: | |
881 | return ret; | |
f37d259d MD |
882 | } |
883 | ||
f3ed775e | 884 | /* |
fb14d0d8 | 885 | * Ask for all trace events in the kernel |
f3ed775e | 886 | */ |
9f19cc17 | 887 | static int list_kernel_events(void) |
f3ed775e | 888 | { |
fb14d0d8 | 889 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
890 | struct lttng_domain domain; |
891 | struct lttng_handle *handle; | |
9f19cc17 | 892 | struct lttng_event *event_list; |
f3ed775e | 893 | |
441c16a7 MD |
894 | memset(&domain, 0, sizeof(domain)); |
895 | ||
b551a063 DG |
896 | DBG("Getting kernel tracing events"); |
897 | ||
898 | domain.type = LTTNG_DOMAIN_KERNEL; | |
899 | ||
900 | handle = lttng_create_handle(NULL, &domain); | |
901 | if (handle == NULL) { | |
fb14d0d8 | 902 | ret = CMD_ERROR; |
b551a063 DG |
903 | goto error; |
904 | } | |
f3ed775e | 905 | |
cd80958d | 906 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 907 | if (size < 0) { |
60e835ca | 908 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 909 | lttng_destroy_handle(handle); |
fb14d0d8 | 910 | return CMD_ERROR; |
f3ed775e DG |
911 | } |
912 | ||
fb14d0d8 JR |
913 | if (lttng_opt_mi) { |
914 | /* Mi print */ | |
915 | ret = mi_list_kernel_events(event_list, size, &domain); | |
916 | if (ret) { | |
917 | ret = CMD_ERROR; | |
918 | goto end; | |
919 | } | |
920 | } else { | |
921 | MSG("Kernel events:\n-------------"); | |
f3ed775e | 922 | |
fb14d0d8 JR |
923 | for (i = 0; i < size; i++) { |
924 | print_events(&event_list[i]); | |
925 | } | |
f3ed775e | 926 | |
fb14d0d8 JR |
927 | MSG(""); |
928 | } | |
b551a063 | 929 | |
fb14d0d8 | 930 | end: |
f3ed775e DG |
931 | free(event_list); |
932 | ||
ef021732 | 933 | lttng_destroy_handle(handle); |
fb14d0d8 | 934 | return ret; |
b551a063 DG |
935 | |
936 | error: | |
ef021732 | 937 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
938 | return ret; |
939 | } | |
940 | ||
834978fd DG |
941 | /* |
942 | * Machine interface | |
943 | * Print a list of system calls. | |
944 | */ | |
945 | static int mi_list_syscalls(struct lttng_event *events, int count) | |
946 | { | |
947 | int ret, i; | |
948 | ||
949 | /* Open events */ | |
950 | ret = mi_lttng_events_open(writer); | |
951 | if (ret) { | |
952 | goto end; | |
953 | } | |
954 | ||
955 | for (i = 0; i < count; i++) { | |
970d848b | 956 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
834978fd DG |
957 | if (ret) { |
958 | goto end; | |
959 | } | |
960 | } | |
961 | ||
962 | /* Close events. */ | |
963 | ret = mi_lttng_writer_close_element(writer); | |
964 | if (ret) { | |
965 | goto end; | |
966 | } | |
967 | ||
968 | end: | |
969 | return ret; | |
970 | } | |
971 | ||
972 | /* | |
973 | * Ask for kernel system calls. | |
974 | */ | |
975 | static int list_syscalls(void) | |
976 | { | |
977 | int i, size, ret = CMD_SUCCESS; | |
978 | struct lttng_event *event_list; | |
979 | ||
980 | DBG("Getting kernel system call events"); | |
981 | ||
982 | size = lttng_list_syscalls(&event_list); | |
983 | if (size < 0) { | |
984 | ERR("Unable to list system calls: %s", lttng_strerror(size)); | |
985 | ret = CMD_ERROR; | |
986 | goto error; | |
987 | } | |
988 | ||
989 | if (lttng_opt_mi) { | |
990 | /* Mi print */ | |
991 | ret = mi_list_syscalls(event_list, size); | |
992 | if (ret) { | |
993 | ret = CMD_ERROR; | |
994 | goto end; | |
995 | } | |
996 | } else { | |
997 | MSG("System calls:\n-------------"); | |
998 | ||
999 | for (i = 0; i < size; i++) { | |
1000 | print_events(&event_list[i]); | |
1001 | } | |
1002 | ||
1003 | MSG(""); | |
1004 | } | |
1005 | ||
1006 | end: | |
1007 | free(event_list); | |
1008 | return ret; | |
1009 | ||
1010 | error: | |
1011 | return ret; | |
1012 | } | |
1013 | ||
fb14d0d8 JR |
1014 | /* |
1015 | * Machine Interface | |
5cdb6027 | 1016 | * Print a list of agent events |
fb14d0d8 | 1017 | */ |
5cdb6027 | 1018 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
fb14d0d8 JR |
1019 | { |
1020 | int ret, i; | |
1021 | ||
1022 | /* Open events element */ | |
1023 | ret = mi_lttng_events_open(writer); | |
1024 | if (ret) { | |
1025 | goto end; | |
1026 | } | |
1027 | ||
1028 | for (i = 0; i < count; i++) { | |
970d848b | 1029 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1030 | if (ret) { |
1031 | goto end; | |
1032 | } | |
1033 | } | |
1034 | ||
1035 | /* Close events element */ | |
1036 | ret = mi_lttng_writer_close_element(writer); | |
1037 | ||
1038 | end: | |
1039 | return ret; | |
f3ed775e DG |
1040 | } |
1041 | ||
3c6a091f | 1042 | /* |
5cdb6027 | 1043 | * List agent events for a specific session using the handle. |
3c6a091f DG |
1044 | * |
1045 | * Return CMD_SUCCESS on success else a negative value. | |
1046 | */ | |
5cdb6027 | 1047 | static int list_session_agent_events(void) |
3c6a091f | 1048 | { |
fb14d0d8 | 1049 | int ret = CMD_SUCCESS, count, i; |
3c6a091f DG |
1050 | struct lttng_event *events = NULL; |
1051 | ||
1052 | count = lttng_list_events(handle, "", &events); | |
1053 | if (count < 0) { | |
fb14d0d8 JR |
1054 | ret = CMD_ERROR; |
1055 | ERR("%s", lttng_strerror(count)); | |
3c6a091f DG |
1056 | goto error; |
1057 | } | |
1058 | ||
fb14d0d8 JR |
1059 | if (lttng_opt_mi) { |
1060 | /* Mi print */ | |
5cdb6027 | 1061 | ret = mi_list_session_agent_events(events, count); |
fb14d0d8 JR |
1062 | if (ret) { |
1063 | ret = CMD_ERROR; | |
1064 | goto end; | |
1065 | } | |
1066 | } else { | |
1067 | /* Pretty print */ | |
1068 | MSG("Events (Logger name):\n---------------------"); | |
1069 | if (count == 0) { | |
1070 | MSG("%sNone\n", indent6); | |
1071 | goto end; | |
1072 | } | |
1073 | ||
1074 | for (i = 0; i < count; i++) { | |
9a890ce8 JG |
1075 | const char *filter_str; |
1076 | char *filter_msg = NULL; | |
1077 | struct lttng_event *event = &events[i]; | |
1078 | ||
1079 | ret = lttng_event_get_filter_string(event, &filter_str); | |
1080 | if (ret) { | |
1081 | filter_msg = strdup(" [failed to retrieve filter]"); | |
1082 | } else if (filter_str) { | |
1083 | const char * const filter_fmt = | |
1084 | " [filter: '%s']"; | |
1085 | ||
1086 | filter_msg = malloc(strlen(filter_str) + | |
1087 | strlen(filter_fmt) + 1); | |
1088 | if (filter_msg) { | |
1089 | sprintf(filter_msg, " [filter: '%s']", | |
1090 | filter_str); | |
1091 | } | |
1092 | } | |
1093 | ||
1094 | if (event->loglevel_type != | |
755066c2 | 1095 | LTTNG_EVENT_LOGLEVEL_ALL) { |
9a890ce8 JG |
1096 | MSG("%s- %s%s (loglevel%s %s)%s", indent4, |
1097 | event->name, | |
1098 | enabled_string(event->enabled), | |
755066c2 | 1099 | logleveltype_string( |
9a890ce8 | 1100 | event->loglevel_type), |
755066c2 | 1101 | mi_lttng_loglevel_string( |
9a890ce8 JG |
1102 | event->loglevel, |
1103 | handle->domain.type), | |
7b4a95b1 | 1104 | safe_string(filter_msg)); |
755066c2 | 1105 | } else { |
9a890ce8 JG |
1106 | MSG("%s- %s%s%s", indent4, event->name, |
1107 | enabled_string(event->enabled), | |
7b4a95b1 | 1108 | safe_string(filter_msg)); |
755066c2 | 1109 | } |
9a890ce8 | 1110 | free(filter_msg); |
fb14d0d8 JR |
1111 | } |
1112 | ||
1113 | MSG(""); | |
1114 | } | |
1115 | ||
1116 | end: | |
1117 | free(events); | |
1118 | error: | |
1119 | return ret; | |
1120 | } | |
1121 | ||
1122 | /* | |
1123 | * Machine interface | |
1124 | * print a list of event | |
1125 | */ | |
1126 | static int mi_list_events(struct lttng_event *events, int count) | |
1127 | { | |
1128 | int ret, i; | |
1129 | ||
1130 | /* Open events element */ | |
1131 | ret = mi_lttng_events_open(writer); | |
1132 | if (ret) { | |
3c6a091f DG |
1133 | goto end; |
1134 | } | |
1135 | ||
1136 | for (i = 0; i < count; i++) { | |
970d848b | 1137 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1138 | if (ret) { |
1139 | goto end; | |
1140 | } | |
3c6a091f DG |
1141 | } |
1142 | ||
fb14d0d8 JR |
1143 | /* Close events element */ |
1144 | ret = mi_lttng_writer_close_element(writer); | |
3c6a091f DG |
1145 | |
1146 | end: | |
3c6a091f DG |
1147 | return ret; |
1148 | } | |
1149 | ||
f3ed775e | 1150 | /* |
9f19cc17 | 1151 | * List events of channel of session and domain. |
f3ed775e | 1152 | */ |
cd80958d | 1153 | static int list_events(const char *channel_name) |
f3ed775e | 1154 | { |
fb14d0d8 | 1155 | int ret = CMD_SUCCESS, count, i; |
9f19cc17 | 1156 | struct lttng_event *events = NULL; |
f3ed775e | 1157 | |
cd80958d | 1158 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e | 1159 | if (count < 0) { |
fb14d0d8 JR |
1160 | ret = CMD_ERROR; |
1161 | ERR("%s", lttng_strerror(count)); | |
f3ed775e DG |
1162 | goto error; |
1163 | } | |
1164 | ||
fb14d0d8 JR |
1165 | if (lttng_opt_mi) { |
1166 | /* Mi print */ | |
1167 | ret = mi_list_events(events, count); | |
1168 | if (ret) { | |
1169 | ret = CMD_ERROR; | |
1170 | goto end; | |
1171 | } | |
1172 | } else { | |
1173 | /* Pretty print */ | |
1174 | MSG("\n%sEvents:", indent4); | |
1175 | if (count == 0) { | |
1176 | MSG("%sNone\n", indent6); | |
1177 | goto end; | |
1178 | } | |
f3ed775e | 1179 | |
fb14d0d8 JR |
1180 | for (i = 0; i < count; i++) { |
1181 | print_events(&events[i]); | |
1182 | } | |
f3ed775e | 1183 | |
fb14d0d8 JR |
1184 | MSG(""); |
1185 | } | |
9f19cc17 | 1186 | end: |
0e428499 | 1187 | free(events); |
f3ed775e DG |
1188 | error: |
1189 | return ret; | |
1190 | } | |
1191 | ||
1192 | /* | |
9f19cc17 DG |
1193 | * Pretty print channel |
1194 | */ | |
1195 | static void print_channel(struct lttng_channel *channel) | |
1196 | { | |
464dd62d | 1197 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
1198 | |
1199 | MSG("%sAttributes:", indent4); | |
a5bbe8f6 DG |
1200 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); |
1201 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
9f19cc17 | 1202 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); |
a5bbe8f6 DG |
1203 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); |
1204 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
2f785fe7 DG |
1205 | MSG("%strace file count: %" PRIu64, indent6, channel->attr.tracefile_count); |
1206 | MSG("%strace file size (bytes): %" PRIu64, indent6, channel->attr.tracefile_size); | |
9f19cc17 DG |
1207 | switch (channel->attr.output) { |
1208 | case LTTNG_EVENT_SPLICE: | |
1209 | MSG("%soutput: splice()", indent6); | |
1210 | break; | |
1211 | case LTTNG_EVENT_MMAP: | |
1212 | MSG("%soutput: mmap()", indent6); | |
1213 | break; | |
1214 | } | |
1215 | } | |
1216 | ||
fb14d0d8 JR |
1217 | /* |
1218 | * Machine interface | |
1219 | * Print a list of channel | |
1220 | * | |
1221 | */ | |
1222 | static int mi_list_channels(struct lttng_channel *channels, int count, | |
1223 | const char *channel_name) | |
1224 | { | |
1225 | int i, ret; | |
1226 | unsigned int chan_found = 0; | |
1227 | ||
1228 | /* Open channels element */ | |
1229 | ret = mi_lttng_channels_open(writer); | |
1230 | if (ret) { | |
1231 | goto error; | |
1232 | } | |
1233 | ||
1234 | for (i = 0; i < count; i++) { | |
1235 | if (channel_name != NULL) { | |
1236 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1237 | chan_found = 1; | |
1238 | } else { | |
1239 | continue; | |
1240 | } | |
1241 | } | |
1242 | ||
1243 | /* Write channel element and leave it open */ | |
1244 | ret = mi_lttng_channel(writer, &channels[i], 1); | |
1245 | if (ret) { | |
1246 | goto error; | |
1247 | } | |
1248 | ||
1249 | /* Listing events per channel */ | |
1250 | ret = list_events(channels[i].name); | |
1251 | if (ret) { | |
1252 | goto error; | |
1253 | } | |
1254 | ||
1255 | /* Closing the channel element we opened earlier */ | |
1256 | ret = mi_lttng_writer_close_element(writer); | |
1257 | if (ret) { | |
1258 | goto error; | |
1259 | } | |
1260 | ||
1261 | if (chan_found) { | |
1262 | break; | |
1263 | } | |
1264 | } | |
1265 | ||
1266 | /* Close channels element */ | |
1267 | ret = mi_lttng_writer_close_element(writer); | |
1268 | if (ret) { | |
1269 | goto error; | |
1270 | } | |
1271 | ||
1272 | error: | |
1273 | return ret; | |
1274 | } | |
1275 | ||
9f19cc17 DG |
1276 | /* |
1277 | * List channel(s) of session and domain. | |
f3ed775e | 1278 | * |
9f19cc17 | 1279 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 1280 | */ |
cd80958d | 1281 | static int list_channels(const char *channel_name) |
f3ed775e | 1282 | { |
9f19cc17 DG |
1283 | int count, i, ret = CMD_SUCCESS; |
1284 | unsigned int chan_found = 0; | |
1285 | struct lttng_channel *channels = NULL; | |
f3ed775e | 1286 | |
3e25cb20 | 1287 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 1288 | |
cd80958d | 1289 | count = lttng_list_channels(handle, &channels); |
f3ed775e | 1290 | if (count < 0) { |
c7d620a2 DG |
1291 | switch (-count) { |
1292 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
fb14d0d8 JR |
1293 | if (lttng_opt_mi) { |
1294 | /* When printing mi this is not an error | |
1295 | * but an empty channels element */ | |
1296 | count = 0; | |
1297 | } else { | |
1298 | ret = CMD_SUCCESS; | |
1299 | WARN("No kernel channel"); | |
1300 | goto error_channels; | |
1301 | } | |
c7d620a2 DG |
1302 | break; |
1303 | default: | |
1304 | /* We had a real error */ | |
fb14d0d8 JR |
1305 | ret = CMD_ERROR; |
1306 | ERR("%s", lttng_strerror(count)); | |
1307 | goto error_channels; | |
60e835ca | 1308 | break; |
c7d620a2 | 1309 | } |
f3ed775e DG |
1310 | } |
1311 | ||
fb14d0d8 JR |
1312 | if (lttng_opt_mi) { |
1313 | /* Mi print */ | |
1314 | ret = mi_list_channels(channels, count, channel_name); | |
1315 | if (ret) { | |
1316 | ret = CMD_ERROR; | |
1317 | goto error; | |
1318 | } | |
1319 | } else { | |
1320 | /* Pretty print */ | |
ade7ce52 | 1321 | if (count) { |
fb14d0d8 JR |
1322 | MSG("Channels:\n-------------"); |
1323 | } | |
9f19cc17 | 1324 | |
fb14d0d8 JR |
1325 | for (i = 0; i < count; i++) { |
1326 | if (channel_name != NULL) { | |
1327 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1328 | chan_found = 1; | |
1329 | } else { | |
1330 | continue; | |
1331 | } | |
1332 | } | |
1333 | print_channel(&channels[i]); | |
1334 | ||
1335 | /* Listing events per channel */ | |
1336 | ret = list_events(channels[i].name); | |
1337 | if (ret) { | |
1338 | goto error; | |
1339 | } | |
1340 | ||
1341 | if (chan_found) { | |
1342 | break; | |
9f19cc17 DG |
1343 | } |
1344 | } | |
9f19cc17 | 1345 | |
fb14d0d8 JR |
1346 | if (!chan_found && channel_name != NULL) { |
1347 | ret = CMD_ERROR; | |
1348 | ERR("Channel %s not found", channel_name); | |
1349 | goto error; | |
9f19cc17 | 1350 | } |
fb14d0d8 JR |
1351 | } |
1352 | error: | |
1353 | free(channels); | |
9f19cc17 | 1354 | |
fb14d0d8 JR |
1355 | error_channels: |
1356 | return ret; | |
1357 | } | |
1358 | ||
a5dfbb9d MD |
1359 | /* |
1360 | * List tracker PID(s) of session and domain. | |
1361 | */ | |
1362 | static int list_tracker_pids(void) | |
1363 | { | |
ebbf5ab7 JR |
1364 | int ret = 0; |
1365 | int enabled; | |
a5dfbb9d | 1366 | int *pids = NULL; |
6223570f | 1367 | size_t nr_pids; |
a5dfbb9d MD |
1368 | |
1369 | ret = lttng_list_tracker_pids(handle, | |
1370 | &enabled, &pids, &nr_pids); | |
1371 | if (ret) { | |
1372 | return ret; | |
1373 | } | |
a5dfbb9d | 1374 | if (enabled) { |
6223570f JG |
1375 | int i; |
1376 | _MSG("PID tracker: ["); | |
a5dfbb9d | 1377 | |
ebbf5ab7 JR |
1378 | /* Mi tracker_pid element*/ |
1379 | if (writer) { | |
1380 | /* Open tracker_pid and targets elements */ | |
1381 | ret = mi_lttng_pid_tracker_open(writer); | |
1382 | if (ret) { | |
1383 | goto end; | |
1384 | } | |
1385 | } | |
1386 | ||
a5dfbb9d MD |
1387 | for (i = 0; i < nr_pids; i++) { |
1388 | if (i) { | |
1389 | _MSG(","); | |
1390 | } | |
1391 | _MSG(" %d", pids[i]); | |
ebbf5ab7 JR |
1392 | |
1393 | /* Mi */ | |
1394 | if (writer) { | |
1395 | ret = mi_lttng_pid_target(writer, pids[i], 0); | |
1396 | if (ret) { | |
1397 | goto end; | |
1398 | } | |
1399 | } | |
a5dfbb9d | 1400 | } |
6223570f | 1401 | _MSG(" ]\n\n"); |
ebbf5ab7 JR |
1402 | |
1403 | /* Mi close tracker_pid and targets */ | |
1404 | if (writer) { | |
1405 | ret = mi_lttng_close_multi_element(writer,2); | |
1406 | if (ret) { | |
1407 | goto end; | |
1408 | } | |
1409 | } | |
a5dfbb9d | 1410 | } |
ebbf5ab7 | 1411 | end: |
a5dfbb9d | 1412 | free(pids); |
ebbf5ab7 JR |
1413 | return ret; |
1414 | ||
1415 | } | |
1416 | ||
1417 | /* | |
1418 | * List all tracker of a domain | |
1419 | */ | |
1420 | static int list_trackers(void) | |
1421 | { | |
1422 | int ret; | |
1423 | ||
1424 | /* Trackers listing */ | |
1425 | if (lttng_opt_mi) { | |
1426 | ret = mi_lttng_trackers_open(writer); | |
1427 | if (ret) { | |
1428 | goto end; | |
1429 | } | |
1430 | } | |
1431 | ||
1432 | /* pid tracker */ | |
1433 | ret = list_tracker_pids(); | |
1434 | if (ret) { | |
1435 | goto end; | |
1436 | } | |
1437 | ||
1438 | if (lttng_opt_mi) { | |
1439 | /* Close trackers element */ | |
1440 | ret = mi_lttng_writer_close_element(writer); | |
1441 | if (ret) { | |
1442 | goto end; | |
1443 | } | |
1444 | } | |
1445 | ||
1446 | end: | |
1447 | return ret; | |
a5dfbb9d MD |
1448 | } |
1449 | ||
fb14d0d8 JR |
1450 | /* |
1451 | * Machine interface | |
1452 | * Find the session with session_name as name | |
1453 | * and print his informations. | |
1454 | */ | |
1455 | static int mi_list_session(const char *session_name, | |
1456 | struct lttng_session *sessions, int count) | |
1457 | { | |
1458 | int ret, i; | |
1459 | unsigned int session_found = 0; | |
1460 | ||
1461 | if (session_name == NULL) { | |
1462 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1463 | goto end; | |
1464 | } | |
1465 | ||
1466 | for (i = 0; i < count; i++) { | |
1467 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1468 | /* We need to leave it open to append other informations | |
1469 | * like domain, channel, events etc.*/ | |
1470 | session_found = 1; | |
1471 | ret = mi_lttng_session(writer, &sessions[i], 1); | |
1472 | if (ret) { | |
1473 | goto end; | |
1474 | } | |
9f19cc17 | 1475 | break; |
f3ed775e | 1476 | } |
f3ed775e DG |
1477 | } |
1478 | ||
fb14d0d8 JR |
1479 | if (!session_found) { |
1480 | ERR("Session '%s' not found", session_name); | |
1481 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1482 | goto end; | |
9f19cc17 | 1483 | } |
f3ed775e | 1484 | |
fb14d0d8 JR |
1485 | end: |
1486 | return ret; | |
1487 | } | |
f3ed775e | 1488 | |
fb14d0d8 JR |
1489 | /* |
1490 | * Machine interface | |
1491 | * List all availables session | |
1492 | */ | |
1493 | static int mi_list_sessions(struct lttng_session *sessions, int count) | |
1494 | { | |
1495 | int ret, i; | |
ae856491 | 1496 | |
fb14d0d8 JR |
1497 | /* Opening sessions element */ |
1498 | ret = mi_lttng_sessions_open(writer); | |
1499 | if (ret) { | |
1500 | goto end; | |
1501 | } | |
1502 | ||
1503 | /* Listing sessions */ | |
1504 | for (i = 0; i < count; i++) { | |
1505 | ret = mi_lttng_session(writer, &sessions[i], 0); | |
1506 | if (ret) { | |
1507 | goto end; | |
1508 | } | |
1509 | } | |
1510 | ||
1511 | /* Closing sessions element */ | |
1512 | ret = mi_lttng_writer_close_element(writer); | |
1513 | if (ret) { | |
1514 | goto end; | |
1515 | } | |
1516 | ||
1517 | end: | |
f3ed775e DG |
1518 | return ret; |
1519 | } | |
1520 | ||
1521 | /* | |
9f19cc17 | 1522 | * List available tracing session. List only basic information. |
f3ed775e | 1523 | * |
9f19cc17 | 1524 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 1525 | */ |
9f19cc17 | 1526 | static int list_sessions(const char *session_name) |
f3ed775e | 1527 | { |
fb14d0d8 JR |
1528 | int ret = CMD_SUCCESS; |
1529 | int count, i; | |
9f19cc17 DG |
1530 | unsigned int session_found = 0; |
1531 | struct lttng_session *sessions; | |
1532 | ||
1533 | count = lttng_list_sessions(&sessions); | |
1534 | DBG("Session count %d", count); | |
1535 | if (count < 0) { | |
fb14d0d8 JR |
1536 | ret = CMD_ERROR; |
1537 | ERR("%s", lttng_strerror(count)); | |
d32fb093 | 1538 | goto end; |
9f19cc17 DG |
1539 | } |
1540 | ||
fb14d0d8 JR |
1541 | if (lttng_opt_mi) { |
1542 | /* Mi */ | |
1543 | if (session_name == NULL) { | |
1544 | /* List all session */ | |
1545 | ret = mi_list_sessions(sessions, count); | |
1546 | } else { | |
1547 | /* Note : this return an open session element */ | |
1548 | ret = mi_list_session(session_name, sessions, count); | |
1549 | } | |
1550 | if (ret) { | |
1551 | ret = CMD_ERROR; | |
1552 | goto error; | |
1553 | } | |
1554 | } else { | |
1555 | /* Pretty print */ | |
1556 | if (count == 0) { | |
1557 | MSG("Currently no available tracing session"); | |
fb14d0d8 JR |
1558 | goto end; |
1559 | } | |
9f19cc17 | 1560 | |
fb14d0d8 JR |
1561 | if (session_name == NULL) { |
1562 | MSG("Available tracing sessions:"); | |
1563 | } | |
1564 | ||
1565 | ||
1566 | for (i = 0; i < count; i++) { | |
1567 | if (session_name != NULL) { | |
1568 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1569 | session_found = 1; | |
1570 | MSG("Tracing session %s: [%s%s]", session_name, | |
1571 | active_string(sessions[i].enabled), | |
1572 | snapshot_string(sessions[i].snapshot_mode)); | |
1573 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); | |
1574 | break; | |
1575 | } | |
1576 | } else { | |
1577 | MSG(" %d) %s (%s) [%s%s]", i + 1, | |
1578 | sessions[i].name, sessions[i].path, | |
2cbf8fed DG |
1579 | active_string(sessions[i].enabled), |
1580 | snapshot_string(sessions[i].snapshot_mode)); | |
2f785fe7 | 1581 | MSG("%sTrace path: %s", indent4, sessions[i].path); |
fcbc96a2 JG |
1582 | if (sessions[i].live_timer_interval != 0) { |
1583 | MSG("%sLive timer interval (usec): %u", indent4, | |
1584 | sessions[i].live_timer_interval); | |
1585 | } | |
1586 | MSG(""); | |
9f19cc17 | 1587 | } |
fb14d0d8 JR |
1588 | } |
1589 | ||
1590 | if (!session_found && session_name != NULL) { | |
1591 | ERR("Session '%s' not found", session_name); | |
1592 | ret = CMD_ERROR; | |
1593 | goto error; | |
1594 | } | |
1595 | ||
1596 | if (session_name == NULL) { | |
1597 | MSG("\nUse lttng list <session_name> for more details"); | |
9f19cc17 DG |
1598 | } |
1599 | } | |
1600 | ||
fb14d0d8 | 1601 | error: |
9f19cc17 | 1602 | free(sessions); |
fb14d0d8 JR |
1603 | end: |
1604 | return ret; | |
1605 | } | |
9f19cc17 | 1606 | |
fb14d0d8 JR |
1607 | |
1608 | /* | |
1609 | * Machine Interface | |
1610 | * list available domain(s) for a session. | |
1611 | */ | |
1612 | static int mi_list_domains(struct lttng_domain *domains, int count) | |
1613 | { | |
1614 | int i, ret; | |
1615 | /* Open domains element */ | |
1616 | ret = mi_lttng_domains_open(writer); | |
1617 | if (ret) { | |
1618 | goto end; | |
9f19cc17 DG |
1619 | } |
1620 | ||
fb14d0d8 JR |
1621 | for (i = 0; i < count; i++) { |
1622 | ret = mi_lttng_domain(writer, &domains[i] , 0); | |
1623 | if (ret) { | |
1624 | goto end; | |
1625 | } | |
9f19cc17 | 1626 | } |
f3ed775e | 1627 | |
fb14d0d8 JR |
1628 | /* Closing domains element */ |
1629 | ret = mi_lttng_writer_close_element(writer); | |
1630 | if (ret) { | |
1631 | goto end; | |
1632 | } | |
d32fb093 | 1633 | end: |
f3ed775e DG |
1634 | return ret; |
1635 | } | |
f3ed775e DG |
1636 | |
1637 | /* | |
9f19cc17 | 1638 | * List available domain(s) for a session. |
f3ed775e | 1639 | */ |
330be774 | 1640 | static int list_domains(const char *session_name) |
f3ed775e | 1641 | { |
9f19cc17 DG |
1642 | int i, count, ret = CMD_SUCCESS; |
1643 | struct lttng_domain *domains = NULL; | |
1644 | ||
9f19cc17 | 1645 | |
330be774 | 1646 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 | 1647 | if (count < 0) { |
fb14d0d8 JR |
1648 | ret = CMD_ERROR; |
1649 | ERR("%s", lttng_strerror(count)); | |
9f19cc17 DG |
1650 | goto end; |
1651 | } | |
1652 | ||
fb14d0d8 JR |
1653 | if (lttng_opt_mi) { |
1654 | /* Mi output */ | |
1655 | ret = mi_list_domains(domains, count); | |
1656 | if (ret) { | |
1657 | ret = CMD_ERROR; | |
1658 | goto error; | |
1659 | } | |
1660 | } else { | |
1661 | /* Pretty print */ | |
1662 | MSG("Domains:\n-------------"); | |
1663 | if (count == 0) { | |
1664 | MSG(" None"); | |
1665 | goto end; | |
1666 | } | |
1667 | ||
1668 | for (i = 0; i < count; i++) { | |
1669 | switch (domains[i].type) { | |
1670 | case LTTNG_DOMAIN_KERNEL: | |
1671 | MSG(" - Kernel"); | |
1672 | break; | |
1673 | case LTTNG_DOMAIN_UST: | |
1674 | MSG(" - UST global"); | |
1675 | break; | |
1676 | case LTTNG_DOMAIN_JUL: | |
1677 | MSG(" - JUL (Java Util Logging)"); | |
1678 | break; | |
5cdb6027 DG |
1679 | case LTTNG_DOMAIN_LOG4J: |
1680 | MSG(" - LOG4j (Logging for Java)"); | |
1681 | break; | |
0e115563 DG |
1682 | case LTTNG_DOMAIN_PYTHON: |
1683 | MSG(" - Python (logging)"); | |
1684 | break; | |
fb14d0d8 JR |
1685 | default: |
1686 | break; | |
1687 | } | |
9f19cc17 DG |
1688 | } |
1689 | } | |
1690 | ||
fb14d0d8 | 1691 | error: |
9f19cc17 DG |
1692 | free(domains); |
1693 | ||
fb14d0d8 | 1694 | end: |
9f19cc17 | 1695 | return ret; |
f3ed775e | 1696 | } |
f3ed775e DG |
1697 | |
1698 | /* | |
9f19cc17 | 1699 | * The 'list <options>' first level command |
f3ed775e DG |
1700 | */ |
1701 | int cmd_list(int argc, const char **argv) | |
1702 | { | |
c617c0c6 | 1703 | int opt, ret = CMD_SUCCESS; |
9f19cc17 | 1704 | const char *session_name; |
f3ed775e | 1705 | static poptContext pc; |
9f19cc17 DG |
1706 | struct lttng_domain domain; |
1707 | struct lttng_domain *domains = NULL; | |
f3ed775e | 1708 | |
441c16a7 MD |
1709 | memset(&domain, 0, sizeof(domain)); |
1710 | ||
9f19cc17 | 1711 | if (argc < 1) { |
f3ed775e | 1712 | usage(stderr); |
ca1c3607 | 1713 | ret = CMD_ERROR; |
f3ed775e DG |
1714 | goto end; |
1715 | } | |
1716 | ||
1717 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
1718 | poptReadDefaultConfig(pc, 0); | |
1719 | ||
1720 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
1721 | switch (opt) { | |
1722 | case OPT_HELP: | |
ca1c3607 | 1723 | usage(stdout); |
f3ed775e | 1724 | goto end; |
eeac7d46 MD |
1725 | case OPT_USERSPACE: |
1726 | opt_userspace = 1; | |
eeac7d46 | 1727 | break; |
679b4943 SM |
1728 | case OPT_LIST_OPTIONS: |
1729 | list_cmd_options(stdout, long_options); | |
679b4943 | 1730 | goto end; |
f3ed775e DG |
1731 | default: |
1732 | usage(stderr); | |
1733 | ret = CMD_UNDEFINED; | |
1734 | goto end; | |
1735 | } | |
1736 | } | |
1737 | ||
fb14d0d8 JR |
1738 | /* Mi check */ |
1739 | if (lttng_opt_mi) { | |
1740 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
1741 | if (!writer) { | |
1742 | ret = CMD_ERROR; | |
1743 | goto end; | |
1744 | } | |
1745 | ||
1746 | /* Open command element */ | |
1747 | ret = mi_lttng_writer_command_open(writer, | |
1748 | mi_lttng_element_command_list); | |
1749 | if (ret) { | |
1750 | ret = CMD_ERROR; | |
1751 | goto end; | |
1752 | } | |
1753 | ||
1754 | /* Open output element */ | |
1755 | ret = mi_lttng_writer_open_element(writer, | |
1756 | mi_lttng_element_command_output); | |
1757 | if (ret) { | |
1758 | ret = CMD_ERROR; | |
1759 | goto end; | |
1760 | } | |
1761 | } | |
1762 | ||
9f19cc17 DG |
1763 | /* Get session name (trailing argument) */ |
1764 | session_name = poptGetArg(pc); | |
b551a063 | 1765 | DBG2("Session name: %s", session_name); |
9f19cc17 | 1766 | |
cd80958d DG |
1767 | if (opt_kernel) { |
1768 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
1769 | } else if (opt_userspace) { |
1770 | DBG2("Listing userspace global domain"); | |
1771 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
1772 | } else if (opt_jul) { |
1773 | DBG2("Listing JUL domain"); | |
1774 | domain.type = LTTNG_DOMAIN_JUL; | |
edf60534 | 1775 | } else if (opt_log4j) { |
5cdb6027 | 1776 | domain.type = LTTNG_DOMAIN_LOG4J; |
0e115563 DG |
1777 | } else if (opt_python) { |
1778 | domain.type = LTTNG_DOMAIN_PYTHON; | |
cd80958d DG |
1779 | } |
1780 | ||
834978fd DG |
1781 | if (!opt_kernel && opt_syscall) { |
1782 | WARN("--syscall will only work with the Kernel domain (-k)"); | |
1783 | ret = CMD_ERROR; | |
1784 | goto end; | |
1785 | } | |
1786 | ||
0e115563 | 1787 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_python) { |
aa5de748 MD |
1788 | handle = lttng_create_handle(session_name, &domain); |
1789 | if (handle == NULL) { | |
1790 | ret = CMD_FATAL; | |
1791 | goto end; | |
1792 | } | |
cd80958d DG |
1793 | } |
1794 | ||
9f19cc17 | 1795 | if (session_name == NULL) { |
0e115563 DG |
1796 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j |
1797 | && !opt_python) { | |
b551a063 | 1798 | ret = list_sessions(NULL); |
fb14d0d8 | 1799 | if (ret) { |
b551a063 DG |
1800 | goto end; |
1801 | } | |
1802 | } | |
9f19cc17 | 1803 | if (opt_kernel) { |
834978fd DG |
1804 | if (opt_syscall) { |
1805 | ret = list_syscalls(); | |
1806 | if (ret) { | |
1807 | goto end; | |
1808 | } | |
1809 | } else { | |
1810 | ret = list_kernel_events(); | |
1811 | if (ret) { | |
1812 | goto end; | |
1813 | } | |
9f19cc17 | 1814 | } |
b551a063 DG |
1815 | } |
1816 | if (opt_userspace) { | |
f37d259d MD |
1817 | if (opt_fields) { |
1818 | ret = list_ust_event_fields(); | |
1819 | } else { | |
1820 | ret = list_ust_events(); | |
1821 | } | |
fb14d0d8 | 1822 | if (ret) { |
9f19cc17 DG |
1823 | goto end; |
1824 | } | |
1825 | } | |
0e115563 | 1826 | if (opt_jul || opt_log4j || opt_python) { |
5cdb6027 | 1827 | ret = list_agent_events(); |
fb14d0d8 | 1828 | if (ret) { |
3c6a091f DG |
1829 | goto end; |
1830 | } | |
1831 | } | |
9f19cc17 DG |
1832 | } else { |
1833 | /* List session attributes */ | |
fb14d0d8 JR |
1834 | if (lttng_opt_mi) { |
1835 | /* Open element sessions | |
1836 | * Present for xml consistency */ | |
1837 | ret = mi_lttng_sessions_open(writer); | |
1838 | if (ret) { | |
1839 | goto end; | |
1840 | } | |
1841 | } | |
1842 | /* MI: the ouptut of list_sessions is an unclosed session element */ | |
9f19cc17 | 1843 | ret = list_sessions(session_name); |
fb14d0d8 | 1844 | if (ret) { |
9f19cc17 DG |
1845 | goto end; |
1846 | } | |
1847 | ||
1848 | /* Domain listing */ | |
1849 | if (opt_domain) { | |
330be774 | 1850 | ret = list_domains(session_name); |
9f19cc17 DG |
1851 | goto end; |
1852 | } | |
1853 | ||
fb14d0d8 | 1854 | /* Channel listing */ |
1c3de747 | 1855 | if (opt_kernel || opt_userspace) { |
fb14d0d8 JR |
1856 | if (lttng_opt_mi) { |
1857 | /* Add of domains and domain element for xml | |
1858 | * consistency and validation | |
1859 | */ | |
1860 | ret = mi_lttng_domains_open(writer); | |
1861 | if (ret) { | |
1862 | goto end; | |
1863 | } | |
1864 | ||
1865 | /* Open domain and leave it open for | |
1866 | * nested channels printing */ | |
1867 | ret = mi_lttng_domain(writer, &domain, 1); | |
1868 | if (ret) { | |
1869 | goto end; | |
1870 | } | |
1871 | ||
1872 | } | |
1873 | ||
ebbf5ab7 JR |
1874 | |
1875 | /* Trackers */ | |
1876 | ret = list_trackers(); | |
a5dfbb9d MD |
1877 | if (ret) { |
1878 | goto end; | |
1879 | } | |
1880 | ||
ebbf5ab7 | 1881 | /* Channels */ |
cd80958d | 1882 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
1883 | if (ret) { |
1884 | goto end; | |
1885 | } | |
1886 | ||
1887 | if (lttng_opt_mi) { | |
1888 | /* Close domain and domain element */ | |
1889 | ret = mi_lttng_close_multi_element(writer, 2); | |
1890 | } | |
1891 | if (ret) { | |
9f19cc17 DG |
1892 | goto end; |
1893 | } | |
fb14d0d8 JR |
1894 | |
1895 | ||
9f19cc17 | 1896 | } else { |
c617c0c6 MD |
1897 | int i, nb_domain; |
1898 | ||
9f19cc17 | 1899 | /* We want all domain(s) */ |
330be774 | 1900 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 1901 | if (nb_domain < 0) { |
fb14d0d8 JR |
1902 | ret = CMD_ERROR; |
1903 | ERR("%s", lttng_strerror(nb_domain)); | |
9f19cc17 DG |
1904 | goto end; |
1905 | } | |
1906 | ||
fb14d0d8 JR |
1907 | if (lttng_opt_mi) { |
1908 | ret = mi_lttng_domains_open(writer); | |
1909 | if (ret) { | |
1910 | ret = CMD_ERROR; | |
1911 | goto end; | |
1912 | } | |
1913 | } | |
1914 | ||
b551a063 | 1915 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
1916 | switch (domains[i].type) { |
1917 | case LTTNG_DOMAIN_KERNEL: | |
1918 | MSG("=== Domain: Kernel ===\n"); | |
1919 | break; | |
b551a063 DG |
1920 | case LTTNG_DOMAIN_UST: |
1921 | MSG("=== Domain: UST global ===\n"); | |
88c5f0d8 DG |
1922 | MSG("Buffer type: %s\n", |
1923 | domains[i].buf_type == | |
1924 | LTTNG_BUFFER_PER_PID ? "per PID" : "per UID"); | |
b551a063 | 1925 | break; |
3c6a091f DG |
1926 | case LTTNG_DOMAIN_JUL: |
1927 | MSG("=== Domain: JUL (Java Util Logging) ===\n"); | |
1928 | break; | |
5cdb6027 DG |
1929 | case LTTNG_DOMAIN_LOG4J: |
1930 | MSG("=== Domain: LOG4j (Logging for Java) ===\n"); | |
1931 | break; | |
0e115563 DG |
1932 | case LTTNG_DOMAIN_PYTHON: |
1933 | MSG("=== Domain: Python (logging) ===\n"); | |
1934 | break; | |
9f19cc17 DG |
1935 | default: |
1936 | MSG("=== Domain: Unimplemented ===\n"); | |
1937 | break; | |
1938 | } | |
1939 | ||
fb14d0d8 JR |
1940 | if (lttng_opt_mi) { |
1941 | ret = mi_lttng_domain(writer, &domains[i], 1); | |
1942 | if (ret) { | |
1943 | ret = CMD_ERROR; | |
1944 | goto end; | |
1945 | } | |
1946 | } | |
1947 | ||
cd80958d | 1948 | /* Clean handle before creating a new one */ |
aa5de748 MD |
1949 | if (handle) { |
1950 | lttng_destroy_handle(handle); | |
1951 | } | |
cd80958d DG |
1952 | |
1953 | handle = lttng_create_handle(session_name, &domains[i]); | |
1954 | if (handle == NULL) { | |
ca1c3607 | 1955 | ret = CMD_FATAL; |
cd80958d DG |
1956 | goto end; |
1957 | } | |
1958 | ||
5cdb6027 | 1959 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
0e115563 DG |
1960 | domains[i].type == LTTNG_DOMAIN_LOG4J || |
1961 | domains[i].type == LTTNG_DOMAIN_PYTHON) { | |
5cdb6027 | 1962 | ret = list_session_agent_events(); |
fb14d0d8 | 1963 | if (ret) { |
3c6a091f DG |
1964 | goto end; |
1965 | } | |
cd7b2927 PP |
1966 | |
1967 | goto next_domain; | |
3c6a091f | 1968 | } |
a5dfbb9d MD |
1969 | |
1970 | switch (domains[i].type) { | |
1971 | case LTTNG_DOMAIN_KERNEL: | |
1972 | case LTTNG_DOMAIN_UST: | |
ebbf5ab7 | 1973 | ret = list_trackers(); |
a5dfbb9d MD |
1974 | if (ret) { |
1975 | goto end; | |
1976 | } | |
1977 | break; | |
1978 | default: | |
1979 | break; | |
1980 | } | |
3c6a091f | 1981 | |
cd80958d | 1982 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
1983 | if (ret) { |
1984 | goto end; | |
1985 | } | |
1986 | ||
cd7b2927 | 1987 | next_domain: |
fb14d0d8 JR |
1988 | if (lttng_opt_mi) { |
1989 | /* Close domain element */ | |
1990 | ret = mi_lttng_writer_close_element(writer); | |
1991 | if (ret) { | |
1992 | ret = CMD_ERROR; | |
1993 | goto end; | |
1994 | } | |
1995 | } | |
1996 | ||
1997 | } | |
1998 | if (lttng_opt_mi) { | |
1999 | /* Close the domains, session and sessions element */ | |
2000 | ret = mi_lttng_close_multi_element(writer, 3); | |
2001 | if (ret) { | |
2002 | ret = CMD_ERROR; | |
9f19cc17 DG |
2003 | goto end; |
2004 | } | |
2005 | } | |
2006 | } | |
f3ed775e DG |
2007 | } |
2008 | ||
fb14d0d8 JR |
2009 | /* Mi closing */ |
2010 | if (lttng_opt_mi) { | |
2011 | /* Close output element */ | |
2012 | ret = mi_lttng_writer_close_element(writer); | |
2013 | if (ret) { | |
2014 | ret = CMD_ERROR; | |
2015 | goto end; | |
2016 | } | |
2017 | ||
2018 | /* Command element close */ | |
2019 | ret = mi_lttng_writer_command_close(writer); | |
2020 | if (ret) { | |
2021 | ret = CMD_ERROR; | |
2022 | goto end; | |
2023 | } | |
2024 | } | |
f3ed775e | 2025 | end: |
fb14d0d8 JR |
2026 | /* Mi clean-up */ |
2027 | if (writer && mi_lttng_writer_destroy(writer)) { | |
2028 | /* Preserve original error code */ | |
2029 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
2030 | } | |
2031 | ||
0e428499 | 2032 | free(domains); |
aa5de748 MD |
2033 | if (handle) { |
2034 | lttng_destroy_handle(handle); | |
2035 | } | |
cd80958d | 2036 | |
ca1c3607 | 2037 | poptFreeContext(pc); |
f3ed775e DG |
2038 | return ret; |
2039 | } |