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 | 280 | |
134e72ed | 281 | ret = lttng_event_get_filter_expression(event, &filter_str); |
4adbcc72 PP |
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: | |
2199ad66 | 353 | MSG("%s%s%s%s%s%s", indent6, event->name, |
834978fd | 354 | (opt_syscall ? "" : " (type:syscall)"), |
fceb65df | 355 | enabled_string(event->enabled), |
2199ad66 JG |
356 | bitness_event(event->flags), |
357 | safe_string(filter_msg)); | |
b551a063 DG |
358 | break; |
359 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
360 | MSG("%s (type: noop)%s%s", indent6, |
361 | enabled_string(event->enabled), | |
7b4a95b1 | 362 | safe_string(filter_msg)); |
b551a063 DG |
363 | break; |
364 | case LTTNG_EVENT_ALL: | |
365 | /* We should never have "all" events in list. */ | |
366 | assert(0); | |
367 | break; | |
368 | } | |
4adbcc72 PP |
369 | |
370 | free(filter_msg); | |
7b4a95b1 | 371 | free(exclusion_msg); |
b551a063 DG |
372 | } |
373 | ||
f37d259d MD |
374 | static const char *field_type(struct lttng_event_field *field) |
375 | { | |
376 | switch(field->type) { | |
377 | case LTTNG_EVENT_FIELD_INTEGER: | |
378 | return "integer"; | |
379 | case LTTNG_EVENT_FIELD_ENUM: | |
380 | return "enum"; | |
381 | case LTTNG_EVENT_FIELD_FLOAT: | |
382 | return "float"; | |
383 | case LTTNG_EVENT_FIELD_STRING: | |
384 | return "string"; | |
385 | case LTTNG_EVENT_FIELD_OTHER: | |
386 | default: /* fall-through */ | |
387 | return "unknown"; | |
388 | } | |
389 | } | |
390 | ||
391 | /* | |
392 | * Pretty print single event fields. | |
393 | */ | |
394 | static void print_event_field(struct lttng_event_field *field) | |
395 | { | |
396 | if (!field->field_name[0]) { | |
397 | return; | |
398 | } | |
d8fbe2a9 | 399 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 400 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
401 | } |
402 | ||
fb14d0d8 JR |
403 | /* |
404 | * Machine interface | |
405 | * Jul and ust event listing | |
406 | */ | |
5cdb6027 | 407 | static int mi_list_agent_ust_events(struct lttng_event *events, int count, |
fb14d0d8 JR |
408 | struct lttng_domain *domain) |
409 | { | |
410 | int ret, i; | |
411 | pid_t cur_pid = 0; | |
412 | char *cmdline = NULL; | |
413 | int pid_element_open = 0; | |
414 | ||
415 | /* Open domains element */ | |
416 | ret = mi_lttng_domains_open(writer); | |
417 | if (ret) { | |
418 | goto end; | |
419 | } | |
420 | ||
421 | /* Write domain */ | |
422 | ret = mi_lttng_domain(writer, domain, 1); | |
423 | if (ret) { | |
424 | goto end; | |
425 | } | |
426 | ||
bf239d4c JR |
427 | /* Open pids element element */ |
428 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
429 | if (ret) { |
430 | goto end; | |
431 | } | |
432 | ||
433 | for (i = 0; i < count; i++) { | |
434 | if (cur_pid != events[i].pid) { | |
435 | if (pid_element_open) { | |
2e9aecb9 | 436 | /* Close the previous events and pid element */ |
fb14d0d8 JR |
437 | ret = mi_lttng_close_multi_element(writer, 2); |
438 | if (ret) { | |
439 | goto end; | |
440 | } | |
441 | pid_element_open = 0; | |
442 | } | |
443 | ||
444 | cur_pid = events[i].pid; | |
445 | cmdline = get_cmdline_by_pid(cur_pid); | |
446 | if (!cmdline) { | |
447 | ret = CMD_ERROR; | |
448 | goto end; | |
449 | } | |
450 | ||
451 | if (!pid_element_open) { | |
452 | /* Open and write a pid element */ | |
bf239d4c | 453 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); |
fb14d0d8 JR |
454 | if (ret) { |
455 | goto error; | |
456 | } | |
457 | ||
458 | /* Open events element */ | |
459 | ret = mi_lttng_events_open(writer); | |
460 | if (ret) { | |
461 | goto error; | |
462 | } | |
463 | ||
464 | pid_element_open = 1; | |
465 | } | |
466 | free(cmdline); | |
467 | } | |
468 | ||
469 | /* Write an event */ | |
970d848b | 470 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
471 | if (ret) { |
472 | goto end; | |
473 | } | |
474 | } | |
475 | ||
bf239d4c | 476 | /* Close pids */ |
fb14d0d8 JR |
477 | ret = mi_lttng_writer_close_element(writer); |
478 | if (ret) { | |
479 | goto end; | |
480 | } | |
481 | ||
482 | /* Close domain, domains */ | |
483 | ret = mi_lttng_close_multi_element(writer, 2); | |
484 | end: | |
485 | return ret; | |
486 | error: | |
487 | free(cmdline); | |
488 | return ret; | |
489 | } | |
490 | ||
5cdb6027 | 491 | static int list_agent_events(void) |
3c6a091f | 492 | { |
fb14d0d8 | 493 | int i, size, ret = CMD_SUCCESS; |
3c6a091f | 494 | struct lttng_domain domain; |
26c610c9 | 495 | struct lttng_handle *handle = NULL; |
469b972b | 496 | struct lttng_event *event_list = NULL; |
3c6a091f DG |
497 | pid_t cur_pid = 0; |
498 | char *cmdline = NULL; | |
5cdb6027 | 499 | const char *agent_domain_str; |
3c6a091f DG |
500 | |
501 | memset(&domain, 0, sizeof(domain)); | |
5cdb6027 DG |
502 | if (opt_jul) { |
503 | domain.type = LTTNG_DOMAIN_JUL; | |
504 | } else if (opt_log4j) { | |
505 | domain.type = LTTNG_DOMAIN_LOG4J; | |
0e115563 DG |
506 | } else if (opt_python) { |
507 | domain.type = LTTNG_DOMAIN_PYTHON; | |
26c610c9 JG |
508 | } else { |
509 | ERR("Invalid agent domain selected."); | |
510 | ret = CMD_ERROR; | |
511 | goto error; | |
5cdb6027 DG |
512 | } |
513 | ||
514 | agent_domain_str = get_domain_str(domain.type); | |
515 | ||
516 | DBG("Getting %s tracing events", agent_domain_str); | |
3c6a091f DG |
517 | |
518 | handle = lttng_create_handle(NULL, &domain); | |
519 | if (handle == NULL) { | |
fb14d0d8 JR |
520 | ret = CMD_ERROR; |
521 | goto end; | |
3c6a091f DG |
522 | } |
523 | ||
524 | size = lttng_list_tracepoints(handle, &event_list); | |
525 | if (size < 0) { | |
5cdb6027 DG |
526 | ERR("Unable to list %s events: %s", agent_domain_str, |
527 | lttng_strerror(size)); | |
fb14d0d8 JR |
528 | ret = CMD_ERROR; |
529 | goto end; | |
3c6a091f DG |
530 | } |
531 | ||
fb14d0d8 JR |
532 | if (lttng_opt_mi) { |
533 | /* Mi print */ | |
5cdb6027 | 534 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
535 | if (ret) { |
536 | ret = CMD_ERROR; | |
537 | goto error; | |
3c6a091f | 538 | } |
fb14d0d8 JR |
539 | } else { |
540 | /* Pretty print */ | |
5cdb6027 DG |
541 | MSG("%s events (Logger name):\n-------------------------", |
542 | agent_domain_str); | |
3c6a091f | 543 | |
fb14d0d8 JR |
544 | if (size == 0) { |
545 | MSG("None"); | |
546 | } | |
3c6a091f | 547 | |
fb14d0d8 JR |
548 | for (i = 0; i < size; i++) { |
549 | if (cur_pid != event_list[i].pid) { | |
550 | cur_pid = event_list[i].pid; | |
551 | cmdline = get_cmdline_by_pid(cur_pid); | |
552 | if (cmdline == NULL) { | |
553 | ret = CMD_ERROR; | |
554 | goto error; | |
555 | } | |
556 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
557 | free(cmdline); | |
558 | } | |
559 | MSG("%s- %s", indent6, event_list[i].name); | |
560 | } | |
3c6a091f | 561 | |
fb14d0d8 JR |
562 | MSG(""); |
563 | } | |
3c6a091f DG |
564 | |
565 | error: | |
fb14d0d8 JR |
566 | free(event_list); |
567 | end: | |
3c6a091f | 568 | lttng_destroy_handle(handle); |
fb14d0d8 | 569 | return ret; |
3c6a091f DG |
570 | } |
571 | ||
b551a063 DG |
572 | /* |
573 | * Ask session daemon for all user space tracepoints available. | |
574 | */ | |
575 | static int list_ust_events(void) | |
576 | { | |
fb14d0d8 | 577 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
578 | struct lttng_domain domain; |
579 | struct lttng_handle *handle; | |
bec97646 | 580 | struct lttng_event *event_list = NULL; |
b551a063 | 581 | pid_t cur_pid = 0; |
ea5cbc00 | 582 | char *cmdline = NULL; |
b551a063 | 583 | |
441c16a7 MD |
584 | memset(&domain, 0, sizeof(domain)); |
585 | ||
b551a063 DG |
586 | DBG("Getting UST tracing events"); |
587 | ||
588 | domain.type = LTTNG_DOMAIN_UST; | |
589 | ||
590 | handle = lttng_create_handle(NULL, &domain); | |
591 | if (handle == NULL) { | |
fb14d0d8 JR |
592 | ret = CMD_ERROR; |
593 | goto end; | |
b551a063 DG |
594 | } |
595 | ||
596 | size = lttng_list_tracepoints(handle, &event_list); | |
597 | if (size < 0) { | |
60e835ca | 598 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
fb14d0d8 JR |
599 | ret = CMD_ERROR; |
600 | goto error; | |
b551a063 DG |
601 | } |
602 | ||
fb14d0d8 JR |
603 | if (lttng_opt_mi) { |
604 | /* Mi print */ | |
5cdb6027 | 605 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
606 | } else { |
607 | /* Pretty print */ | |
608 | MSG("UST events:\n-------------"); | |
609 | ||
610 | if (size == 0) { | |
611 | MSG("None"); | |
612 | } | |
613 | ||
614 | for (i = 0; i < size; i++) { | |
615 | if (cur_pid != event_list[i].pid) { | |
616 | cur_pid = event_list[i].pid; | |
617 | cmdline = get_cmdline_by_pid(cur_pid); | |
618 | if (cmdline == NULL) { | |
619 | ret = CMD_ERROR; | |
620 | goto error; | |
621 | } | |
622 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
623 | free(cmdline); | |
624 | } | |
625 | print_events(&event_list[i]); | |
626 | } | |
b551a063 | 627 | |
fb14d0d8 | 628 | MSG(""); |
b551a063 DG |
629 | } |
630 | ||
fb14d0d8 JR |
631 | error: |
632 | free(event_list); | |
633 | end: | |
634 | lttng_destroy_handle(handle); | |
635 | return ret; | |
636 | } | |
637 | ||
638 | /* | |
639 | * Machine interface | |
640 | * List all ust event with their fields | |
641 | */ | |
642 | static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count, | |
643 | struct lttng_domain *domain) | |
644 | { | |
645 | int ret, i; | |
646 | pid_t cur_pid = 0; | |
647 | char *cmdline = NULL; | |
648 | int pid_element_open = 0; | |
649 | int event_element_open = 0; | |
650 | struct lttng_event cur_event; | |
651 | ||
652 | /* Open domains element */ | |
653 | ret = mi_lttng_domains_open(writer); | |
654 | if (ret) { | |
655 | goto end; | |
656 | } | |
657 | ||
658 | /* Write domain */ | |
659 | ret = mi_lttng_domain(writer, domain, 1); | |
660 | if (ret) { | |
661 | goto end; | |
662 | } | |
663 | ||
bf239d4c JR |
664 | /* Open pids element */ |
665 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
666 | if (ret) { |
667 | goto end; | |
668 | } | |
669 | ||
670 | for (i = 0; i < count; i++) { | |
671 | if (cur_pid != fields[i].event.pid) { | |
672 | if (pid_element_open) { | |
673 | if (event_element_open) { | |
485ca16f DG |
674 | |
675 | /* Close the previous field element and event. */ | |
fb14d0d8 JR |
676 | ret = mi_lttng_close_multi_element(writer, 2); |
677 | if (ret) { | |
678 | goto end; | |
679 | } | |
680 | event_element_open = 0; | |
681 | } | |
682 | /* Close the previous events, pid element */ | |
683 | ret = mi_lttng_close_multi_element(writer, 2); | |
684 | if (ret) { | |
685 | goto end; | |
686 | } | |
687 | pid_element_open = 0; | |
688 | } | |
689 | ||
690 | cur_pid = fields[i].event.pid; | |
ea5cbc00 | 691 | cmdline = get_cmdline_by_pid(cur_pid); |
fb14d0d8 | 692 | if (!pid_element_open) { |
bf239d4c JR |
693 | /* Open and write a pid element */ |
694 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); | |
fb14d0d8 JR |
695 | if (ret) { |
696 | goto error; | |
697 | } | |
698 | ||
699 | /* Open events element */ | |
700 | ret = mi_lttng_events_open(writer); | |
701 | if (ret) { | |
702 | goto error; | |
703 | } | |
704 | pid_element_open = 1; | |
705 | } | |
ea5cbc00 | 706 | free(cmdline); |
fb14d0d8 JR |
707 | /* Wipe current event since we are about to print a new PID. */ |
708 | memset(&cur_event, 0, sizeof(cur_event)); | |
b551a063 | 709 | } |
b551a063 | 710 | |
fb14d0d8 JR |
711 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
712 | if (event_element_open) { | |
713 | /* Close the previous fields element and the previous event */ | |
714 | ret = mi_lttng_close_multi_element(writer, 2); | |
715 | if (ret) { | |
716 | goto end; | |
717 | } | |
718 | event_element_open = 0; | |
719 | } | |
720 | ||
721 | memcpy(&cur_event, &fields[i].event, | |
722 | sizeof(cur_event)); | |
b551a063 | 723 | |
fb14d0d8 JR |
724 | if (!event_element_open) { |
725 | /* Open and write the event */ | |
970d848b DG |
726 | ret = mi_lttng_event(writer, &cur_event, 1, |
727 | handle->domain.type); | |
fb14d0d8 JR |
728 | if (ret) { |
729 | goto end; | |
730 | } | |
731 | ||
732 | /* Open a fields element */ | |
733 | ret = mi_lttng_event_fields_open(writer); | |
734 | if (ret) { | |
735 | goto end; | |
736 | } | |
737 | event_element_open = 1; | |
738 | } | |
739 | } | |
b551a063 | 740 | |
fb14d0d8 JR |
741 | /* Print the event_field */ |
742 | ret = mi_lttng_event_field(writer, &fields[i]); | |
743 | if (ret) { | |
744 | goto end; | |
745 | } | |
746 | } | |
b551a063 | 747 | |
bf239d4c | 748 | /* Close pid, domain, domains */ |
fb14d0d8 JR |
749 | ret = mi_lttng_close_multi_element(writer, 3); |
750 | end: | |
751 | return ret; | |
b551a063 | 752 | error: |
fb14d0d8 JR |
753 | free(cmdline); |
754 | return ret; | |
b551a063 | 755 | } |
f3ed775e | 756 | |
f37d259d MD |
757 | /* |
758 | * Ask session daemon for all user space tracepoint fields available. | |
759 | */ | |
760 | static int list_ust_event_fields(void) | |
761 | { | |
fb14d0d8 | 762 | int i, size, ret = CMD_SUCCESS; |
f37d259d MD |
763 | struct lttng_domain domain; |
764 | struct lttng_handle *handle; | |
765 | struct lttng_event_field *event_field_list; | |
766 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
767 | char *cmdline = NULL; |
768 | ||
f37d259d MD |
769 | struct lttng_event cur_event; |
770 | ||
771 | memset(&domain, 0, sizeof(domain)); | |
772 | memset(&cur_event, 0, sizeof(cur_event)); | |
773 | ||
774 | DBG("Getting UST tracing event fields"); | |
775 | ||
776 | domain.type = LTTNG_DOMAIN_UST; | |
777 | ||
778 | handle = lttng_create_handle(NULL, &domain); | |
779 | if (handle == NULL) { | |
fb14d0d8 JR |
780 | ret = CMD_ERROR; |
781 | goto end; | |
f37d259d MD |
782 | } |
783 | ||
784 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
785 | if (size < 0) { | |
60e835ca | 786 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
fb14d0d8 JR |
787 | ret = CMD_ERROR; |
788 | goto end; | |
f37d259d MD |
789 | } |
790 | ||
fb14d0d8 JR |
791 | if (lttng_opt_mi) { |
792 | /* Mi print */ | |
793 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); | |
794 | if (ret) { | |
795 | ret = CMD_ERROR; | |
796 | goto error; | |
797 | } | |
798 | } else { | |
799 | /* Pretty print */ | |
800 | MSG("UST events:\n-------------"); | |
f37d259d | 801 | |
fb14d0d8 JR |
802 | if (size == 0) { |
803 | MSG("None"); | |
f37d259d | 804 | } |
fb14d0d8 JR |
805 | |
806 | for (i = 0; i < size; i++) { | |
807 | if (cur_pid != event_field_list[i].event.pid) { | |
808 | cur_pid = event_field_list[i].event.pid; | |
809 | cmdline = get_cmdline_by_pid(cur_pid); | |
810 | if (cmdline == NULL) { | |
811 | ret = CMD_ERROR; | |
812 | goto error; | |
813 | } | |
814 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
815 | free(cmdline); | |
816 | /* Wipe current event since we are about to print a new PID. */ | |
817 | memset(&cur_event, 0, sizeof(cur_event)); | |
818 | } | |
819 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
820 | print_events(&event_field_list[i].event); | |
821 | memcpy(&cur_event, &event_field_list[i].event, | |
822 | sizeof(cur_event)); | |
823 | } | |
824 | print_event_field(&event_field_list[i]); | |
f37d259d | 825 | } |
f37d259d | 826 | |
fb14d0d8 JR |
827 | MSG(""); |
828 | } | |
f37d259d | 829 | |
fb14d0d8 | 830 | error: |
f37d259d | 831 | free(event_field_list); |
fb14d0d8 | 832 | end: |
f37d259d | 833 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
834 | return ret; |
835 | } | |
f37d259d | 836 | |
fb14d0d8 JR |
837 | /* |
838 | * Machine interface | |
839 | * Print a list of kernel events | |
840 | */ | |
841 | static int mi_list_kernel_events(struct lttng_event *events, int count, | |
842 | struct lttng_domain *domain) | |
843 | { | |
844 | int ret, i; | |
f37d259d | 845 | |
fb14d0d8 JR |
846 | /* Open domains element */ |
847 | ret = mi_lttng_domains_open(writer); | |
848 | if (ret) { | |
849 | goto end; | |
850 | } | |
851 | ||
852 | /* Write domain */ | |
853 | ret = mi_lttng_domain(writer, domain, 1); | |
854 | if (ret) { | |
855 | goto end; | |
856 | } | |
857 | ||
858 | /* Open events */ | |
859 | ret = mi_lttng_events_open(writer); | |
860 | if (ret) { | |
861 | goto end; | |
862 | } | |
863 | ||
864 | for (i = 0; i < count; i++) { | |
970d848b | 865 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
866 | if (ret) { |
867 | goto end; | |
868 | } | |
869 | } | |
870 | ||
871 | /* close events, domain and domains */ | |
872 | ret = mi_lttng_close_multi_element(writer, 3); | |
873 | if (ret) { | |
874 | goto end; | |
875 | } | |
876 | ||
877 | end: | |
878 | return ret; | |
f37d259d MD |
879 | } |
880 | ||
f3ed775e | 881 | /* |
fb14d0d8 | 882 | * Ask for all trace events in the kernel |
f3ed775e | 883 | */ |
9f19cc17 | 884 | static int list_kernel_events(void) |
f3ed775e | 885 | { |
fb14d0d8 | 886 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
887 | struct lttng_domain domain; |
888 | struct lttng_handle *handle; | |
9f19cc17 | 889 | struct lttng_event *event_list; |
f3ed775e | 890 | |
441c16a7 MD |
891 | memset(&domain, 0, sizeof(domain)); |
892 | ||
b551a063 DG |
893 | DBG("Getting kernel tracing events"); |
894 | ||
895 | domain.type = LTTNG_DOMAIN_KERNEL; | |
896 | ||
897 | handle = lttng_create_handle(NULL, &domain); | |
898 | if (handle == NULL) { | |
fb14d0d8 | 899 | ret = CMD_ERROR; |
b551a063 DG |
900 | goto error; |
901 | } | |
f3ed775e | 902 | |
cd80958d | 903 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 904 | if (size < 0) { |
60e835ca | 905 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 906 | lttng_destroy_handle(handle); |
fb14d0d8 | 907 | return CMD_ERROR; |
f3ed775e DG |
908 | } |
909 | ||
fb14d0d8 JR |
910 | if (lttng_opt_mi) { |
911 | /* Mi print */ | |
912 | ret = mi_list_kernel_events(event_list, size, &domain); | |
913 | if (ret) { | |
914 | ret = CMD_ERROR; | |
915 | goto end; | |
916 | } | |
917 | } else { | |
918 | MSG("Kernel events:\n-------------"); | |
f3ed775e | 919 | |
fb14d0d8 JR |
920 | for (i = 0; i < size; i++) { |
921 | print_events(&event_list[i]); | |
922 | } | |
f3ed775e | 923 | |
fb14d0d8 JR |
924 | MSG(""); |
925 | } | |
b551a063 | 926 | |
fb14d0d8 | 927 | end: |
f3ed775e DG |
928 | free(event_list); |
929 | ||
ef021732 | 930 | lttng_destroy_handle(handle); |
fb14d0d8 | 931 | return ret; |
b551a063 DG |
932 | |
933 | error: | |
ef021732 | 934 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
935 | return ret; |
936 | } | |
937 | ||
834978fd DG |
938 | /* |
939 | * Machine interface | |
940 | * Print a list of system calls. | |
941 | */ | |
942 | static int mi_list_syscalls(struct lttng_event *events, int count) | |
943 | { | |
944 | int ret, i; | |
945 | ||
946 | /* Open events */ | |
947 | ret = mi_lttng_events_open(writer); | |
948 | if (ret) { | |
949 | goto end; | |
950 | } | |
951 | ||
952 | for (i = 0; i < count; i++) { | |
970d848b | 953 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
834978fd DG |
954 | if (ret) { |
955 | goto end; | |
956 | } | |
957 | } | |
958 | ||
959 | /* Close events. */ | |
960 | ret = mi_lttng_writer_close_element(writer); | |
961 | if (ret) { | |
962 | goto end; | |
963 | } | |
964 | ||
965 | end: | |
966 | return ret; | |
967 | } | |
968 | ||
969 | /* | |
970 | * Ask for kernel system calls. | |
971 | */ | |
972 | static int list_syscalls(void) | |
973 | { | |
974 | int i, size, ret = CMD_SUCCESS; | |
975 | struct lttng_event *event_list; | |
976 | ||
977 | DBG("Getting kernel system call events"); | |
978 | ||
979 | size = lttng_list_syscalls(&event_list); | |
980 | if (size < 0) { | |
981 | ERR("Unable to list system calls: %s", lttng_strerror(size)); | |
982 | ret = CMD_ERROR; | |
983 | goto error; | |
984 | } | |
985 | ||
986 | if (lttng_opt_mi) { | |
987 | /* Mi print */ | |
988 | ret = mi_list_syscalls(event_list, size); | |
989 | if (ret) { | |
990 | ret = CMD_ERROR; | |
991 | goto end; | |
992 | } | |
993 | } else { | |
994 | MSG("System calls:\n-------------"); | |
995 | ||
996 | for (i = 0; i < size; i++) { | |
997 | print_events(&event_list[i]); | |
998 | } | |
999 | ||
1000 | MSG(""); | |
1001 | } | |
1002 | ||
1003 | end: | |
1004 | free(event_list); | |
1005 | return ret; | |
1006 | ||
1007 | error: | |
1008 | return ret; | |
1009 | } | |
1010 | ||
fb14d0d8 JR |
1011 | /* |
1012 | * Machine Interface | |
5cdb6027 | 1013 | * Print a list of agent events |
fb14d0d8 | 1014 | */ |
5cdb6027 | 1015 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
fb14d0d8 JR |
1016 | { |
1017 | int ret, i; | |
1018 | ||
1019 | /* Open events element */ | |
1020 | ret = mi_lttng_events_open(writer); | |
1021 | if (ret) { | |
1022 | goto end; | |
1023 | } | |
1024 | ||
1025 | for (i = 0; i < count; i++) { | |
970d848b | 1026 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1027 | if (ret) { |
1028 | goto end; | |
1029 | } | |
1030 | } | |
1031 | ||
1032 | /* Close events element */ | |
1033 | ret = mi_lttng_writer_close_element(writer); | |
1034 | ||
1035 | end: | |
1036 | return ret; | |
f3ed775e DG |
1037 | } |
1038 | ||
3c6a091f | 1039 | /* |
5cdb6027 | 1040 | * List agent events for a specific session using the handle. |
3c6a091f DG |
1041 | * |
1042 | * Return CMD_SUCCESS on success else a negative value. | |
1043 | */ | |
5cdb6027 | 1044 | static int list_session_agent_events(void) |
3c6a091f | 1045 | { |
fb14d0d8 | 1046 | int ret = CMD_SUCCESS, count, i; |
3c6a091f DG |
1047 | struct lttng_event *events = NULL; |
1048 | ||
1049 | count = lttng_list_events(handle, "", &events); | |
1050 | if (count < 0) { | |
fb14d0d8 JR |
1051 | ret = CMD_ERROR; |
1052 | ERR("%s", lttng_strerror(count)); | |
3c6a091f DG |
1053 | goto error; |
1054 | } | |
1055 | ||
fb14d0d8 JR |
1056 | if (lttng_opt_mi) { |
1057 | /* Mi print */ | |
5cdb6027 | 1058 | ret = mi_list_session_agent_events(events, count); |
fb14d0d8 JR |
1059 | if (ret) { |
1060 | ret = CMD_ERROR; | |
1061 | goto end; | |
1062 | } | |
1063 | } else { | |
1064 | /* Pretty print */ | |
1065 | MSG("Events (Logger name):\n---------------------"); | |
1066 | if (count == 0) { | |
1067 | MSG("%sNone\n", indent6); | |
1068 | goto end; | |
1069 | } | |
1070 | ||
1071 | for (i = 0; i < count; i++) { | |
9a890ce8 JG |
1072 | const char *filter_str; |
1073 | char *filter_msg = NULL; | |
1074 | struct lttng_event *event = &events[i]; | |
1075 | ||
134e72ed JG |
1076 | ret = lttng_event_get_filter_expression(event, |
1077 | &filter_str); | |
9a890ce8 JG |
1078 | if (ret) { |
1079 | filter_msg = strdup(" [failed to retrieve filter]"); | |
1080 | } else if (filter_str) { | |
1081 | const char * const filter_fmt = | |
1082 | " [filter: '%s']"; | |
1083 | ||
1084 | filter_msg = malloc(strlen(filter_str) + | |
1085 | strlen(filter_fmt) + 1); | |
1086 | if (filter_msg) { | |
00505bae JG |
1087 | sprintf(filter_msg, filter_fmt, |
1088 | filter_str); | |
9a890ce8 JG |
1089 | } |
1090 | } | |
1091 | ||
1092 | if (event->loglevel_type != | |
755066c2 | 1093 | LTTNG_EVENT_LOGLEVEL_ALL) { |
9a890ce8 JG |
1094 | MSG("%s- %s%s (loglevel%s %s)%s", indent4, |
1095 | event->name, | |
1096 | enabled_string(event->enabled), | |
755066c2 | 1097 | logleveltype_string( |
9a890ce8 | 1098 | event->loglevel_type), |
755066c2 | 1099 | mi_lttng_loglevel_string( |
9a890ce8 JG |
1100 | event->loglevel, |
1101 | handle->domain.type), | |
7b4a95b1 | 1102 | safe_string(filter_msg)); |
755066c2 | 1103 | } else { |
9a890ce8 JG |
1104 | MSG("%s- %s%s%s", indent4, event->name, |
1105 | enabled_string(event->enabled), | |
7b4a95b1 | 1106 | safe_string(filter_msg)); |
755066c2 | 1107 | } |
9a890ce8 | 1108 | free(filter_msg); |
fb14d0d8 JR |
1109 | } |
1110 | ||
1111 | MSG(""); | |
1112 | } | |
1113 | ||
1114 | end: | |
1115 | free(events); | |
1116 | error: | |
1117 | return ret; | |
1118 | } | |
1119 | ||
1120 | /* | |
1121 | * Machine interface | |
1122 | * print a list of event | |
1123 | */ | |
1124 | static int mi_list_events(struct lttng_event *events, int count) | |
1125 | { | |
1126 | int ret, i; | |
1127 | ||
1128 | /* Open events element */ | |
1129 | ret = mi_lttng_events_open(writer); | |
1130 | if (ret) { | |
3c6a091f DG |
1131 | goto end; |
1132 | } | |
1133 | ||
1134 | for (i = 0; i < count; i++) { | |
970d848b | 1135 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1136 | if (ret) { |
1137 | goto end; | |
1138 | } | |
3c6a091f DG |
1139 | } |
1140 | ||
fb14d0d8 JR |
1141 | /* Close events element */ |
1142 | ret = mi_lttng_writer_close_element(writer); | |
3c6a091f DG |
1143 | |
1144 | end: | |
3c6a091f DG |
1145 | return ret; |
1146 | } | |
1147 | ||
f3ed775e | 1148 | /* |
9f19cc17 | 1149 | * List events of channel of session and domain. |
f3ed775e | 1150 | */ |
cd80958d | 1151 | static int list_events(const char *channel_name) |
f3ed775e | 1152 | { |
fb14d0d8 | 1153 | int ret = CMD_SUCCESS, count, i; |
9f19cc17 | 1154 | struct lttng_event *events = NULL; |
f3ed775e | 1155 | |
cd80958d | 1156 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e | 1157 | if (count < 0) { |
fb14d0d8 JR |
1158 | ret = CMD_ERROR; |
1159 | ERR("%s", lttng_strerror(count)); | |
f3ed775e DG |
1160 | goto error; |
1161 | } | |
1162 | ||
fb14d0d8 JR |
1163 | if (lttng_opt_mi) { |
1164 | /* Mi print */ | |
1165 | ret = mi_list_events(events, count); | |
1166 | if (ret) { | |
1167 | ret = CMD_ERROR; | |
1168 | goto end; | |
1169 | } | |
1170 | } else { | |
1171 | /* Pretty print */ | |
1172 | MSG("\n%sEvents:", indent4); | |
1173 | if (count == 0) { | |
1174 | MSG("%sNone\n", indent6); | |
1175 | goto end; | |
1176 | } | |
f3ed775e | 1177 | |
fb14d0d8 JR |
1178 | for (i = 0; i < count; i++) { |
1179 | print_events(&events[i]); | |
1180 | } | |
f3ed775e | 1181 | |
fb14d0d8 JR |
1182 | MSG(""); |
1183 | } | |
9f19cc17 | 1184 | end: |
0e428499 | 1185 | free(events); |
f3ed775e DG |
1186 | error: |
1187 | return ret; | |
1188 | } | |
1189 | ||
1190 | /* | |
9f19cc17 DG |
1191 | * Pretty print channel |
1192 | */ | |
1193 | static void print_channel(struct lttng_channel *channel) | |
1194 | { | |
fb83fe64 JD |
1195 | int ret; |
1196 | uint64_t discarded_events, lost_packets; | |
1197 | ||
1198 | ret = lttng_channel_get_discarded_event_count(channel, | |
1199 | &discarded_events); | |
1200 | if (ret) { | |
1201 | ERR("Failed to retrieve discarded event count of channel"); | |
1202 | return; | |
1203 | } | |
1204 | ||
1205 | ret = lttng_channel_get_lost_packet_count(channel, | |
1206 | &lost_packets); | |
1207 | if (ret) { | |
1208 | ERR("Failed to retrieve lost packet count of channel"); | |
1209 | return; | |
1210 | } | |
1211 | ||
464dd62d | 1212 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
1213 | |
1214 | MSG("%sAttributes:", indent4); | |
a5bbe8f6 DG |
1215 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); |
1216 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
9f19cc17 | 1217 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); |
a5bbe8f6 DG |
1218 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); |
1219 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
2f785fe7 DG |
1220 | MSG("%strace file count: %" PRIu64, indent6, channel->attr.tracefile_count); |
1221 | MSG("%strace file size (bytes): %" PRIu64, indent6, channel->attr.tracefile_size); | |
fb83fe64 JD |
1222 | MSG("%sdiscarded events: %" PRIu64, indent6, discarded_events); |
1223 | MSG("%slost packets: %" PRIu64, indent6, lost_packets); | |
9f19cc17 DG |
1224 | switch (channel->attr.output) { |
1225 | case LTTNG_EVENT_SPLICE: | |
1226 | MSG("%soutput: splice()", indent6); | |
1227 | break; | |
1228 | case LTTNG_EVENT_MMAP: | |
1229 | MSG("%soutput: mmap()", indent6); | |
1230 | break; | |
1231 | } | |
1232 | } | |
1233 | ||
fb14d0d8 JR |
1234 | /* |
1235 | * Machine interface | |
1236 | * Print a list of channel | |
1237 | * | |
1238 | */ | |
1239 | static int mi_list_channels(struct lttng_channel *channels, int count, | |
1240 | const char *channel_name) | |
1241 | { | |
1242 | int i, ret; | |
1243 | unsigned int chan_found = 0; | |
1244 | ||
1245 | /* Open channels element */ | |
1246 | ret = mi_lttng_channels_open(writer); | |
1247 | if (ret) { | |
1248 | goto error; | |
1249 | } | |
1250 | ||
1251 | for (i = 0; i < count; i++) { | |
1252 | if (channel_name != NULL) { | |
1253 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1254 | chan_found = 1; | |
1255 | } else { | |
1256 | continue; | |
1257 | } | |
1258 | } | |
1259 | ||
1260 | /* Write channel element and leave it open */ | |
1261 | ret = mi_lttng_channel(writer, &channels[i], 1); | |
1262 | if (ret) { | |
1263 | goto error; | |
1264 | } | |
1265 | ||
1266 | /* Listing events per channel */ | |
1267 | ret = list_events(channels[i].name); | |
1268 | if (ret) { | |
1269 | goto error; | |
1270 | } | |
1271 | ||
1272 | /* Closing the channel element we opened earlier */ | |
1273 | ret = mi_lttng_writer_close_element(writer); | |
1274 | if (ret) { | |
1275 | goto error; | |
1276 | } | |
1277 | ||
1278 | if (chan_found) { | |
1279 | break; | |
1280 | } | |
1281 | } | |
1282 | ||
1283 | /* Close channels element */ | |
1284 | ret = mi_lttng_writer_close_element(writer); | |
1285 | if (ret) { | |
1286 | goto error; | |
1287 | } | |
1288 | ||
1289 | error: | |
1290 | return ret; | |
1291 | } | |
1292 | ||
9f19cc17 DG |
1293 | /* |
1294 | * List channel(s) of session and domain. | |
f3ed775e | 1295 | * |
9f19cc17 | 1296 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 1297 | */ |
cd80958d | 1298 | static int list_channels(const char *channel_name) |
f3ed775e | 1299 | { |
9f19cc17 DG |
1300 | int count, i, ret = CMD_SUCCESS; |
1301 | unsigned int chan_found = 0; | |
1302 | struct lttng_channel *channels = NULL; | |
f3ed775e | 1303 | |
3e25cb20 | 1304 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 1305 | |
cd80958d | 1306 | count = lttng_list_channels(handle, &channels); |
f3ed775e | 1307 | if (count < 0) { |
c7d620a2 DG |
1308 | switch (-count) { |
1309 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
fb14d0d8 JR |
1310 | if (lttng_opt_mi) { |
1311 | /* When printing mi this is not an error | |
1312 | * but an empty channels element */ | |
1313 | count = 0; | |
1314 | } else { | |
1315 | ret = CMD_SUCCESS; | |
1316 | WARN("No kernel channel"); | |
1317 | goto error_channels; | |
1318 | } | |
c7d620a2 DG |
1319 | break; |
1320 | default: | |
1321 | /* We had a real error */ | |
fb14d0d8 JR |
1322 | ret = CMD_ERROR; |
1323 | ERR("%s", lttng_strerror(count)); | |
1324 | goto error_channels; | |
60e835ca | 1325 | break; |
c7d620a2 | 1326 | } |
f3ed775e DG |
1327 | } |
1328 | ||
fb14d0d8 JR |
1329 | if (lttng_opt_mi) { |
1330 | /* Mi print */ | |
1331 | ret = mi_list_channels(channels, count, channel_name); | |
1332 | if (ret) { | |
1333 | ret = CMD_ERROR; | |
1334 | goto error; | |
1335 | } | |
1336 | } else { | |
1337 | /* Pretty print */ | |
ade7ce52 | 1338 | if (count) { |
fb14d0d8 JR |
1339 | MSG("Channels:\n-------------"); |
1340 | } | |
9f19cc17 | 1341 | |
fb14d0d8 JR |
1342 | for (i = 0; i < count; i++) { |
1343 | if (channel_name != NULL) { | |
1344 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1345 | chan_found = 1; | |
1346 | } else { | |
1347 | continue; | |
1348 | } | |
1349 | } | |
1350 | print_channel(&channels[i]); | |
1351 | ||
1352 | /* Listing events per channel */ | |
1353 | ret = list_events(channels[i].name); | |
1354 | if (ret) { | |
1355 | goto error; | |
1356 | } | |
1357 | ||
1358 | if (chan_found) { | |
1359 | break; | |
9f19cc17 DG |
1360 | } |
1361 | } | |
9f19cc17 | 1362 | |
fb14d0d8 JR |
1363 | if (!chan_found && channel_name != NULL) { |
1364 | ret = CMD_ERROR; | |
1365 | ERR("Channel %s not found", channel_name); | |
1366 | goto error; | |
9f19cc17 | 1367 | } |
fb14d0d8 JR |
1368 | } |
1369 | error: | |
1370 | free(channels); | |
9f19cc17 | 1371 | |
fb14d0d8 JR |
1372 | error_channels: |
1373 | return ret; | |
1374 | } | |
1375 | ||
a5dfbb9d MD |
1376 | /* |
1377 | * List tracker PID(s) of session and domain. | |
1378 | */ | |
1379 | static int list_tracker_pids(void) | |
1380 | { | |
ebbf5ab7 JR |
1381 | int ret = 0; |
1382 | int enabled; | |
a5dfbb9d | 1383 | int *pids = NULL; |
6223570f | 1384 | size_t nr_pids; |
a5dfbb9d MD |
1385 | |
1386 | ret = lttng_list_tracker_pids(handle, | |
1387 | &enabled, &pids, &nr_pids); | |
1388 | if (ret) { | |
1389 | return ret; | |
1390 | } | |
a5dfbb9d | 1391 | if (enabled) { |
6223570f JG |
1392 | int i; |
1393 | _MSG("PID tracker: ["); | |
a5dfbb9d | 1394 | |
ebbf5ab7 JR |
1395 | /* Mi tracker_pid element*/ |
1396 | if (writer) { | |
1397 | /* Open tracker_pid and targets elements */ | |
1398 | ret = mi_lttng_pid_tracker_open(writer); | |
1399 | if (ret) { | |
1400 | goto end; | |
1401 | } | |
1402 | } | |
1403 | ||
a5dfbb9d MD |
1404 | for (i = 0; i < nr_pids; i++) { |
1405 | if (i) { | |
1406 | _MSG(","); | |
1407 | } | |
1408 | _MSG(" %d", pids[i]); | |
ebbf5ab7 JR |
1409 | |
1410 | /* Mi */ | |
1411 | if (writer) { | |
1412 | ret = mi_lttng_pid_target(writer, pids[i], 0); | |
1413 | if (ret) { | |
1414 | goto end; | |
1415 | } | |
1416 | } | |
a5dfbb9d | 1417 | } |
6223570f | 1418 | _MSG(" ]\n\n"); |
ebbf5ab7 JR |
1419 | |
1420 | /* Mi close tracker_pid and targets */ | |
1421 | if (writer) { | |
1422 | ret = mi_lttng_close_multi_element(writer,2); | |
1423 | if (ret) { | |
1424 | goto end; | |
1425 | } | |
1426 | } | |
a5dfbb9d | 1427 | } |
ebbf5ab7 | 1428 | end: |
a5dfbb9d | 1429 | free(pids); |
ebbf5ab7 JR |
1430 | return ret; |
1431 | ||
1432 | } | |
1433 | ||
1434 | /* | |
1435 | * List all tracker of a domain | |
1436 | */ | |
1437 | static int list_trackers(void) | |
1438 | { | |
1439 | int ret; | |
1440 | ||
1441 | /* Trackers listing */ | |
1442 | if (lttng_opt_mi) { | |
1443 | ret = mi_lttng_trackers_open(writer); | |
1444 | if (ret) { | |
1445 | goto end; | |
1446 | } | |
1447 | } | |
1448 | ||
1449 | /* pid tracker */ | |
1450 | ret = list_tracker_pids(); | |
1451 | if (ret) { | |
1452 | goto end; | |
1453 | } | |
1454 | ||
1455 | if (lttng_opt_mi) { | |
1456 | /* Close trackers element */ | |
1457 | ret = mi_lttng_writer_close_element(writer); | |
1458 | if (ret) { | |
1459 | goto end; | |
1460 | } | |
1461 | } | |
1462 | ||
1463 | end: | |
1464 | return ret; | |
a5dfbb9d MD |
1465 | } |
1466 | ||
fb14d0d8 JR |
1467 | /* |
1468 | * Machine interface | |
1469 | * Find the session with session_name as name | |
1470 | * and print his informations. | |
1471 | */ | |
1472 | static int mi_list_session(const char *session_name, | |
1473 | struct lttng_session *sessions, int count) | |
1474 | { | |
1475 | int ret, i; | |
1476 | unsigned int session_found = 0; | |
1477 | ||
1478 | if (session_name == NULL) { | |
1479 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1480 | goto end; | |
1481 | } | |
1482 | ||
1483 | for (i = 0; i < count; i++) { | |
1484 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1485 | /* We need to leave it open to append other informations | |
1486 | * like domain, channel, events etc.*/ | |
1487 | session_found = 1; | |
1488 | ret = mi_lttng_session(writer, &sessions[i], 1); | |
1489 | if (ret) { | |
1490 | goto end; | |
1491 | } | |
9f19cc17 | 1492 | break; |
f3ed775e | 1493 | } |
f3ed775e DG |
1494 | } |
1495 | ||
fb14d0d8 JR |
1496 | if (!session_found) { |
1497 | ERR("Session '%s' not found", session_name); | |
1498 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1499 | goto end; | |
9f19cc17 | 1500 | } |
f3ed775e | 1501 | |
fb14d0d8 JR |
1502 | end: |
1503 | return ret; | |
1504 | } | |
f3ed775e | 1505 | |
fb14d0d8 JR |
1506 | /* |
1507 | * Machine interface | |
1508 | * List all availables session | |
1509 | */ | |
1510 | static int mi_list_sessions(struct lttng_session *sessions, int count) | |
1511 | { | |
1512 | int ret, i; | |
ae856491 | 1513 | |
fb14d0d8 JR |
1514 | /* Opening sessions element */ |
1515 | ret = mi_lttng_sessions_open(writer); | |
1516 | if (ret) { | |
1517 | goto end; | |
1518 | } | |
1519 | ||
1520 | /* Listing sessions */ | |
1521 | for (i = 0; i < count; i++) { | |
1522 | ret = mi_lttng_session(writer, &sessions[i], 0); | |
1523 | if (ret) { | |
1524 | goto end; | |
1525 | } | |
1526 | } | |
1527 | ||
1528 | /* Closing sessions element */ | |
1529 | ret = mi_lttng_writer_close_element(writer); | |
1530 | if (ret) { | |
1531 | goto end; | |
1532 | } | |
1533 | ||
1534 | end: | |
f3ed775e DG |
1535 | return ret; |
1536 | } | |
1537 | ||
1538 | /* | |
9f19cc17 | 1539 | * List available tracing session. List only basic information. |
f3ed775e | 1540 | * |
9f19cc17 | 1541 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 1542 | */ |
9f19cc17 | 1543 | static int list_sessions(const char *session_name) |
f3ed775e | 1544 | { |
fb14d0d8 JR |
1545 | int ret = CMD_SUCCESS; |
1546 | int count, i; | |
9f19cc17 DG |
1547 | unsigned int session_found = 0; |
1548 | struct lttng_session *sessions; | |
1549 | ||
1550 | count = lttng_list_sessions(&sessions); | |
1551 | DBG("Session count %d", count); | |
1552 | if (count < 0) { | |
fb14d0d8 JR |
1553 | ret = CMD_ERROR; |
1554 | ERR("%s", lttng_strerror(count)); | |
d32fb093 | 1555 | goto end; |
9f19cc17 DG |
1556 | } |
1557 | ||
fb14d0d8 JR |
1558 | if (lttng_opt_mi) { |
1559 | /* Mi */ | |
1560 | if (session_name == NULL) { | |
1561 | /* List all session */ | |
1562 | ret = mi_list_sessions(sessions, count); | |
1563 | } else { | |
1564 | /* Note : this return an open session element */ | |
1565 | ret = mi_list_session(session_name, sessions, count); | |
1566 | } | |
1567 | if (ret) { | |
1568 | ret = CMD_ERROR; | |
1569 | goto error; | |
1570 | } | |
1571 | } else { | |
1572 | /* Pretty print */ | |
1573 | if (count == 0) { | |
1574 | MSG("Currently no available tracing session"); | |
fb14d0d8 JR |
1575 | goto end; |
1576 | } | |
9f19cc17 | 1577 | |
fb14d0d8 JR |
1578 | if (session_name == NULL) { |
1579 | MSG("Available tracing sessions:"); | |
1580 | } | |
1581 | ||
1582 | ||
1583 | for (i = 0; i < count; i++) { | |
1584 | if (session_name != NULL) { | |
1585 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1586 | session_found = 1; | |
1587 | MSG("Tracing session %s: [%s%s]", session_name, | |
1588 | active_string(sessions[i].enabled), | |
1589 | snapshot_string(sessions[i].snapshot_mode)); | |
1590 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); | |
1591 | break; | |
1592 | } | |
1593 | } else { | |
1594 | MSG(" %d) %s (%s) [%s%s]", i + 1, | |
1595 | sessions[i].name, sessions[i].path, | |
2cbf8fed DG |
1596 | active_string(sessions[i].enabled), |
1597 | snapshot_string(sessions[i].snapshot_mode)); | |
2f785fe7 | 1598 | MSG("%sTrace path: %s", indent4, sessions[i].path); |
fcbc96a2 JG |
1599 | if (sessions[i].live_timer_interval != 0) { |
1600 | MSG("%sLive timer interval (usec): %u", indent4, | |
1601 | sessions[i].live_timer_interval); | |
1602 | } | |
1603 | MSG(""); | |
9f19cc17 | 1604 | } |
fb14d0d8 JR |
1605 | } |
1606 | ||
1607 | if (!session_found && session_name != NULL) { | |
1608 | ERR("Session '%s' not found", session_name); | |
1609 | ret = CMD_ERROR; | |
1610 | goto error; | |
1611 | } | |
1612 | ||
1613 | if (session_name == NULL) { | |
1614 | MSG("\nUse lttng list <session_name> for more details"); | |
9f19cc17 DG |
1615 | } |
1616 | } | |
1617 | ||
fb14d0d8 | 1618 | error: |
9f19cc17 | 1619 | free(sessions); |
fb14d0d8 JR |
1620 | end: |
1621 | return ret; | |
1622 | } | |
9f19cc17 | 1623 | |
fb14d0d8 JR |
1624 | |
1625 | /* | |
1626 | * Machine Interface | |
1627 | * list available domain(s) for a session. | |
1628 | */ | |
1629 | static int mi_list_domains(struct lttng_domain *domains, int count) | |
1630 | { | |
1631 | int i, ret; | |
1632 | /* Open domains element */ | |
1633 | ret = mi_lttng_domains_open(writer); | |
1634 | if (ret) { | |
1635 | goto end; | |
9f19cc17 DG |
1636 | } |
1637 | ||
fb14d0d8 JR |
1638 | for (i = 0; i < count; i++) { |
1639 | ret = mi_lttng_domain(writer, &domains[i] , 0); | |
1640 | if (ret) { | |
1641 | goto end; | |
1642 | } | |
9f19cc17 | 1643 | } |
f3ed775e | 1644 | |
fb14d0d8 JR |
1645 | /* Closing domains element */ |
1646 | ret = mi_lttng_writer_close_element(writer); | |
1647 | if (ret) { | |
1648 | goto end; | |
1649 | } | |
d32fb093 | 1650 | end: |
f3ed775e DG |
1651 | return ret; |
1652 | } | |
f3ed775e DG |
1653 | |
1654 | /* | |
9f19cc17 | 1655 | * List available domain(s) for a session. |
f3ed775e | 1656 | */ |
330be774 | 1657 | static int list_domains(const char *session_name) |
f3ed775e | 1658 | { |
9f19cc17 DG |
1659 | int i, count, ret = CMD_SUCCESS; |
1660 | struct lttng_domain *domains = NULL; | |
1661 | ||
9f19cc17 | 1662 | |
330be774 | 1663 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 | 1664 | if (count < 0) { |
fb14d0d8 JR |
1665 | ret = CMD_ERROR; |
1666 | ERR("%s", lttng_strerror(count)); | |
9f19cc17 DG |
1667 | goto end; |
1668 | } | |
1669 | ||
fb14d0d8 JR |
1670 | if (lttng_opt_mi) { |
1671 | /* Mi output */ | |
1672 | ret = mi_list_domains(domains, count); | |
1673 | if (ret) { | |
1674 | ret = CMD_ERROR; | |
1675 | goto error; | |
1676 | } | |
1677 | } else { | |
1678 | /* Pretty print */ | |
1679 | MSG("Domains:\n-------------"); | |
1680 | if (count == 0) { | |
1681 | MSG(" None"); | |
1682 | goto end; | |
1683 | } | |
1684 | ||
1685 | for (i = 0; i < count; i++) { | |
1686 | switch (domains[i].type) { | |
1687 | case LTTNG_DOMAIN_KERNEL: | |
1688 | MSG(" - Kernel"); | |
1689 | break; | |
1690 | case LTTNG_DOMAIN_UST: | |
1691 | MSG(" - UST global"); | |
1692 | break; | |
1693 | case LTTNG_DOMAIN_JUL: | |
1694 | MSG(" - JUL (Java Util Logging)"); | |
1695 | break; | |
5cdb6027 DG |
1696 | case LTTNG_DOMAIN_LOG4J: |
1697 | MSG(" - LOG4j (Logging for Java)"); | |
1698 | break; | |
0e115563 DG |
1699 | case LTTNG_DOMAIN_PYTHON: |
1700 | MSG(" - Python (logging)"); | |
1701 | break; | |
fb14d0d8 JR |
1702 | default: |
1703 | break; | |
1704 | } | |
9f19cc17 DG |
1705 | } |
1706 | } | |
1707 | ||
fb14d0d8 | 1708 | error: |
9f19cc17 DG |
1709 | free(domains); |
1710 | ||
fb14d0d8 | 1711 | end: |
9f19cc17 | 1712 | return ret; |
f3ed775e | 1713 | } |
f3ed775e DG |
1714 | |
1715 | /* | |
9f19cc17 | 1716 | * The 'list <options>' first level command |
f3ed775e DG |
1717 | */ |
1718 | int cmd_list(int argc, const char **argv) | |
1719 | { | |
c617c0c6 | 1720 | int opt, ret = CMD_SUCCESS; |
9f19cc17 | 1721 | const char *session_name; |
f3ed775e | 1722 | static poptContext pc; |
9f19cc17 DG |
1723 | struct lttng_domain domain; |
1724 | struct lttng_domain *domains = NULL; | |
f3ed775e | 1725 | |
441c16a7 MD |
1726 | memset(&domain, 0, sizeof(domain)); |
1727 | ||
9f19cc17 | 1728 | if (argc < 1) { |
f3ed775e | 1729 | usage(stderr); |
ca1c3607 | 1730 | ret = CMD_ERROR; |
f3ed775e DG |
1731 | goto end; |
1732 | } | |
1733 | ||
1734 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
1735 | poptReadDefaultConfig(pc, 0); | |
1736 | ||
1737 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
1738 | switch (opt) { | |
1739 | case OPT_HELP: | |
ca1c3607 | 1740 | usage(stdout); |
f3ed775e | 1741 | goto end; |
eeac7d46 MD |
1742 | case OPT_USERSPACE: |
1743 | opt_userspace = 1; | |
eeac7d46 | 1744 | break; |
679b4943 SM |
1745 | case OPT_LIST_OPTIONS: |
1746 | list_cmd_options(stdout, long_options); | |
679b4943 | 1747 | goto end; |
f3ed775e DG |
1748 | default: |
1749 | usage(stderr); | |
1750 | ret = CMD_UNDEFINED; | |
1751 | goto end; | |
1752 | } | |
1753 | } | |
1754 | ||
fb14d0d8 JR |
1755 | /* Mi check */ |
1756 | if (lttng_opt_mi) { | |
1757 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
1758 | if (!writer) { | |
1759 | ret = CMD_ERROR; | |
1760 | goto end; | |
1761 | } | |
1762 | ||
1763 | /* Open command element */ | |
1764 | ret = mi_lttng_writer_command_open(writer, | |
1765 | mi_lttng_element_command_list); | |
1766 | if (ret) { | |
1767 | ret = CMD_ERROR; | |
1768 | goto end; | |
1769 | } | |
1770 | ||
1771 | /* Open output element */ | |
1772 | ret = mi_lttng_writer_open_element(writer, | |
1773 | mi_lttng_element_command_output); | |
1774 | if (ret) { | |
1775 | ret = CMD_ERROR; | |
1776 | goto end; | |
1777 | } | |
1778 | } | |
1779 | ||
9f19cc17 DG |
1780 | /* Get session name (trailing argument) */ |
1781 | session_name = poptGetArg(pc); | |
b551a063 | 1782 | DBG2("Session name: %s", session_name); |
9f19cc17 | 1783 | |
cd80958d DG |
1784 | if (opt_kernel) { |
1785 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
1786 | } else if (opt_userspace) { |
1787 | DBG2("Listing userspace global domain"); | |
1788 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
1789 | } else if (opt_jul) { |
1790 | DBG2("Listing JUL domain"); | |
1791 | domain.type = LTTNG_DOMAIN_JUL; | |
edf60534 | 1792 | } else if (opt_log4j) { |
5cdb6027 | 1793 | domain.type = LTTNG_DOMAIN_LOG4J; |
0e115563 DG |
1794 | } else if (opt_python) { |
1795 | domain.type = LTTNG_DOMAIN_PYTHON; | |
cd80958d DG |
1796 | } |
1797 | ||
834978fd DG |
1798 | if (!opt_kernel && opt_syscall) { |
1799 | WARN("--syscall will only work with the Kernel domain (-k)"); | |
1800 | ret = CMD_ERROR; | |
1801 | goto end; | |
1802 | } | |
1803 | ||
0e115563 | 1804 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_python) { |
aa5de748 MD |
1805 | handle = lttng_create_handle(session_name, &domain); |
1806 | if (handle == NULL) { | |
1807 | ret = CMD_FATAL; | |
1808 | goto end; | |
1809 | } | |
cd80958d DG |
1810 | } |
1811 | ||
9f19cc17 | 1812 | if (session_name == NULL) { |
0e115563 DG |
1813 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j |
1814 | && !opt_python) { | |
b551a063 | 1815 | ret = list_sessions(NULL); |
fb14d0d8 | 1816 | if (ret) { |
b551a063 DG |
1817 | goto end; |
1818 | } | |
1819 | } | |
9f19cc17 | 1820 | if (opt_kernel) { |
834978fd DG |
1821 | if (opt_syscall) { |
1822 | ret = list_syscalls(); | |
1823 | if (ret) { | |
1824 | goto end; | |
1825 | } | |
1826 | } else { | |
1827 | ret = list_kernel_events(); | |
1828 | if (ret) { | |
1829 | goto end; | |
1830 | } | |
9f19cc17 | 1831 | } |
b551a063 DG |
1832 | } |
1833 | if (opt_userspace) { | |
f37d259d MD |
1834 | if (opt_fields) { |
1835 | ret = list_ust_event_fields(); | |
1836 | } else { | |
1837 | ret = list_ust_events(); | |
1838 | } | |
fb14d0d8 | 1839 | if (ret) { |
9f19cc17 DG |
1840 | goto end; |
1841 | } | |
1842 | } | |
0e115563 | 1843 | if (opt_jul || opt_log4j || opt_python) { |
5cdb6027 | 1844 | ret = list_agent_events(); |
fb14d0d8 | 1845 | if (ret) { |
3c6a091f DG |
1846 | goto end; |
1847 | } | |
1848 | } | |
9f19cc17 DG |
1849 | } else { |
1850 | /* List session attributes */ | |
fb14d0d8 JR |
1851 | if (lttng_opt_mi) { |
1852 | /* Open element sessions | |
1853 | * Present for xml consistency */ | |
1854 | ret = mi_lttng_sessions_open(writer); | |
1855 | if (ret) { | |
1856 | goto end; | |
1857 | } | |
1858 | } | |
1859 | /* MI: the ouptut of list_sessions is an unclosed session element */ | |
9f19cc17 | 1860 | ret = list_sessions(session_name); |
fb14d0d8 | 1861 | if (ret) { |
9f19cc17 DG |
1862 | goto end; |
1863 | } | |
1864 | ||
1865 | /* Domain listing */ | |
1866 | if (opt_domain) { | |
330be774 | 1867 | ret = list_domains(session_name); |
9f19cc17 DG |
1868 | goto end; |
1869 | } | |
1870 | ||
fb14d0d8 | 1871 | /* Channel listing */ |
1c3de747 | 1872 | if (opt_kernel || opt_userspace) { |
fb14d0d8 JR |
1873 | if (lttng_opt_mi) { |
1874 | /* Add of domains and domain element for xml | |
1875 | * consistency and validation | |
1876 | */ | |
1877 | ret = mi_lttng_domains_open(writer); | |
1878 | if (ret) { | |
1879 | goto end; | |
1880 | } | |
1881 | ||
1882 | /* Open domain and leave it open for | |
1883 | * nested channels printing */ | |
1884 | ret = mi_lttng_domain(writer, &domain, 1); | |
1885 | if (ret) { | |
1886 | goto end; | |
1887 | } | |
1888 | ||
1889 | } | |
1890 | ||
ebbf5ab7 JR |
1891 | |
1892 | /* Trackers */ | |
1893 | ret = list_trackers(); | |
a5dfbb9d MD |
1894 | if (ret) { |
1895 | goto end; | |
1896 | } | |
1897 | ||
ebbf5ab7 | 1898 | /* Channels */ |
cd80958d | 1899 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
1900 | if (ret) { |
1901 | goto end; | |
1902 | } | |
1903 | ||
1904 | if (lttng_opt_mi) { | |
1905 | /* Close domain and domain element */ | |
1906 | ret = mi_lttng_close_multi_element(writer, 2); | |
1907 | } | |
1908 | if (ret) { | |
9f19cc17 DG |
1909 | goto end; |
1910 | } | |
fb14d0d8 JR |
1911 | |
1912 | ||
9f19cc17 | 1913 | } else { |
c617c0c6 MD |
1914 | int i, nb_domain; |
1915 | ||
9f19cc17 | 1916 | /* We want all domain(s) */ |
330be774 | 1917 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 1918 | if (nb_domain < 0) { |
fb14d0d8 JR |
1919 | ret = CMD_ERROR; |
1920 | ERR("%s", lttng_strerror(nb_domain)); | |
9f19cc17 DG |
1921 | goto end; |
1922 | } | |
1923 | ||
fb14d0d8 JR |
1924 | if (lttng_opt_mi) { |
1925 | ret = mi_lttng_domains_open(writer); | |
1926 | if (ret) { | |
1927 | ret = CMD_ERROR; | |
1928 | goto end; | |
1929 | } | |
1930 | } | |
1931 | ||
b551a063 | 1932 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
1933 | switch (domains[i].type) { |
1934 | case LTTNG_DOMAIN_KERNEL: | |
1935 | MSG("=== Domain: Kernel ===\n"); | |
1936 | break; | |
b551a063 DG |
1937 | case LTTNG_DOMAIN_UST: |
1938 | MSG("=== Domain: UST global ===\n"); | |
88c5f0d8 DG |
1939 | MSG("Buffer type: %s\n", |
1940 | domains[i].buf_type == | |
1941 | LTTNG_BUFFER_PER_PID ? "per PID" : "per UID"); | |
b551a063 | 1942 | break; |
3c6a091f DG |
1943 | case LTTNG_DOMAIN_JUL: |
1944 | MSG("=== Domain: JUL (Java Util Logging) ===\n"); | |
1945 | break; | |
5cdb6027 DG |
1946 | case LTTNG_DOMAIN_LOG4J: |
1947 | MSG("=== Domain: LOG4j (Logging for Java) ===\n"); | |
1948 | break; | |
0e115563 DG |
1949 | case LTTNG_DOMAIN_PYTHON: |
1950 | MSG("=== Domain: Python (logging) ===\n"); | |
1951 | break; | |
9f19cc17 DG |
1952 | default: |
1953 | MSG("=== Domain: Unimplemented ===\n"); | |
1954 | break; | |
1955 | } | |
1956 | ||
fb14d0d8 JR |
1957 | if (lttng_opt_mi) { |
1958 | ret = mi_lttng_domain(writer, &domains[i], 1); | |
1959 | if (ret) { | |
1960 | ret = CMD_ERROR; | |
1961 | goto end; | |
1962 | } | |
1963 | } | |
1964 | ||
cd80958d | 1965 | /* Clean handle before creating a new one */ |
aa5de748 MD |
1966 | if (handle) { |
1967 | lttng_destroy_handle(handle); | |
1968 | } | |
cd80958d DG |
1969 | |
1970 | handle = lttng_create_handle(session_name, &domains[i]); | |
1971 | if (handle == NULL) { | |
ca1c3607 | 1972 | ret = CMD_FATAL; |
cd80958d DG |
1973 | goto end; |
1974 | } | |
1975 | ||
5cdb6027 | 1976 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
0e115563 DG |
1977 | domains[i].type == LTTNG_DOMAIN_LOG4J || |
1978 | domains[i].type == LTTNG_DOMAIN_PYTHON) { | |
5cdb6027 | 1979 | ret = list_session_agent_events(); |
fb14d0d8 | 1980 | if (ret) { |
3c6a091f DG |
1981 | goto end; |
1982 | } | |
cd7b2927 PP |
1983 | |
1984 | goto next_domain; | |
3c6a091f | 1985 | } |
a5dfbb9d MD |
1986 | |
1987 | switch (domains[i].type) { | |
1988 | case LTTNG_DOMAIN_KERNEL: | |
1989 | case LTTNG_DOMAIN_UST: | |
ebbf5ab7 | 1990 | ret = list_trackers(); |
a5dfbb9d MD |
1991 | if (ret) { |
1992 | goto end; | |
1993 | } | |
1994 | break; | |
1995 | default: | |
1996 | break; | |
1997 | } | |
3c6a091f | 1998 | |
cd80958d | 1999 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
2000 | if (ret) { |
2001 | goto end; | |
2002 | } | |
2003 | ||
cd7b2927 | 2004 | next_domain: |
fb14d0d8 JR |
2005 | if (lttng_opt_mi) { |
2006 | /* Close domain element */ | |
2007 | ret = mi_lttng_writer_close_element(writer); | |
2008 | if (ret) { | |
2009 | ret = CMD_ERROR; | |
2010 | goto end; | |
2011 | } | |
2012 | } | |
2013 | ||
2014 | } | |
2015 | if (lttng_opt_mi) { | |
2016 | /* Close the domains, session and sessions element */ | |
2017 | ret = mi_lttng_close_multi_element(writer, 3); | |
2018 | if (ret) { | |
2019 | ret = CMD_ERROR; | |
9f19cc17 DG |
2020 | goto end; |
2021 | } | |
2022 | } | |
2023 | } | |
f3ed775e DG |
2024 | } |
2025 | ||
fb14d0d8 JR |
2026 | /* Mi closing */ |
2027 | if (lttng_opt_mi) { | |
2028 | /* Close output element */ | |
2029 | ret = mi_lttng_writer_close_element(writer); | |
2030 | if (ret) { | |
2031 | ret = CMD_ERROR; | |
2032 | goto end; | |
2033 | } | |
2034 | ||
2035 | /* Command element close */ | |
2036 | ret = mi_lttng_writer_command_close(writer); | |
2037 | if (ret) { | |
2038 | ret = CMD_ERROR; | |
2039 | goto end; | |
2040 | } | |
2041 | } | |
f3ed775e | 2042 | end: |
fb14d0d8 JR |
2043 | /* Mi clean-up */ |
2044 | if (writer && mi_lttng_writer_destroy(writer)) { | |
2045 | /* Preserve original error code */ | |
2046 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
2047 | } | |
2048 | ||
0e428499 | 2049 | free(domains); |
aa5de748 MD |
2050 | if (handle) { |
2051 | lttng_destroy_handle(handle); | |
2052 | } | |
cd80958d | 2053 | |
ca1c3607 | 2054 | poptFreeContext(pc); |
f3ed775e DG |
2055 | return ret; |
2056 | } |