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 | ||
18 | #define _GNU_SOURCE | |
6c1c0768 | 19 | #define _LGPL_SOURCE |
9f19cc17 | 20 | #include <inttypes.h> |
f3ed775e DG |
21 | #include <popt.h> |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
7a3d1328 | 25 | #include <assert.h> |
f3ed775e | 26 | |
fb14d0d8 JR |
27 | #include <common/mi-lttng.h> |
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; |
d78d6610 DG |
40 | #if 0 |
41 | /* Not implemented yet */ | |
42 | static char *opt_cmd_name; | |
43 | static pid_t opt_pid; | |
44 | #endif | |
9f19cc17 DG |
45 | |
46 | const char *indent4 = " "; | |
47 | const char *indent6 = " "; | |
48 | const char *indent8 = " "; | |
f3ed775e DG |
49 | |
50 | enum { | |
51 | OPT_HELP = 1, | |
eeac7d46 | 52 | OPT_USERSPACE, |
679b4943 | 53 | OPT_LIST_OPTIONS, |
f3ed775e DG |
54 | }; |
55 | ||
cd80958d | 56 | static struct lttng_handle *handle; |
fb14d0d8 | 57 | static struct mi_writer *writer; |
cd80958d | 58 | |
f3ed775e DG |
59 | static struct poptOption long_options[] = { |
60 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
61 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, | |
9f19cc17 | 62 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, |
3c6a091f | 63 | {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0}, |
5cdb6027 | 64 | {"log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0}, |
0e115563 | 65 | {"python", 'p', POPT_ARG_VAL, &opt_python, 1, 0, 0}, |
d78d6610 DG |
66 | #if 0 |
67 | /* Not implemented yet */ | |
68 | {"userspace", 'u', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_cmd_name, OPT_USERSPACE, 0, 0}, | |
69 | {"pid", 'p', POPT_ARG_INT, &opt_pid, 0, 0, 0}, | |
70 | #else | |
71 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, | |
72 | #endif | |
9f19cc17 DG |
73 | {"channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0}, |
74 | {"domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0}, | |
f37d259d | 75 | {"fields", 'f', POPT_ARG_VAL, &opt_fields, 1, 0, 0}, |
834978fd | 76 | {"syscall", 'S', POPT_ARG_VAL, &opt_syscall, 1, 0, 0}, |
679b4943 | 77 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
f3ed775e DG |
78 | {0, 0, 0, 0, 0, 0, 0} |
79 | }; | |
80 | ||
81 | /* | |
82 | * usage | |
83 | */ | |
84 | static void usage(FILE *ofp) | |
85 | { | |
747361fe | 86 | fprintf(ofp, "usage: lttng list [OPTIONS] [SESSION [SESSION OPTIONS]]\n"); |
9f19cc17 DG |
87 | fprintf(ofp, "\n"); |
88 | fprintf(ofp, "With no arguments, list available tracing session(s)\n"); | |
89 | fprintf(ofp, "\n"); | |
27221701 DG |
90 | fprintf(ofp, "Without a session, -k lists available kernel events\n"); |
91 | fprintf(ofp, "Without a session, -u lists available userspace events\n"); | |
9f19cc17 DG |
92 | fprintf(ofp, "\n"); |
93 | fprintf(ofp, " -h, --help Show this help\n"); | |
27221701 | 94 | fprintf(ofp, " --list-options Simple listing of options\n"); |
9f19cc17 DG |
95 | fprintf(ofp, " -k, --kernel Select kernel domain\n"); |
96 | fprintf(ofp, " -u, --userspace Select user-space domain.\n"); | |
3c6a091f | 97 | fprintf(ofp, " -j, --jul Apply for Java application using JUL\n"); |
9ad71f16 | 98 | fprintf(ofp, " -l, --log4j Apply for Java application using LOG4J\n"); |
0e115563 | 99 | fprintf(ofp, " -p, --python Apply for Python application using logging\n"); |
f37d259d | 100 | fprintf(ofp, " -f, --fields List event fields.\n"); |
834978fd | 101 | fprintf(ofp, " --syscall List available system calls.\n"); |
d78d6610 | 102 | #if 0 |
9f19cc17 | 103 | fprintf(ofp, " -p, --pid PID List user-space events by PID\n"); |
d78d6610 | 104 | #endif |
f3ed775e | 105 | fprintf(ofp, "\n"); |
27221701 | 106 | fprintf(ofp, "Session Options:\n"); |
9f19cc17 DG |
107 | fprintf(ofp, " -c, --channel NAME List details of a channel\n"); |
108 | fprintf(ofp, " -d, --domain List available domain(s)\n"); | |
f3ed775e DG |
109 | fprintf(ofp, "\n"); |
110 | } | |
111 | ||
112 | /* | |
9f19cc17 | 113 | * Get command line from /proc for a specific pid. |
f3ed775e | 114 | * |
9f19cc17 DG |
115 | * On success, return an allocated string pointer to the proc cmdline. |
116 | * On error, return NULL. | |
f3ed775e DG |
117 | */ |
118 | static char *get_cmdline_by_pid(pid_t pid) | |
119 | { | |
120 | int ret; | |
1ad31aec | 121 | FILE *fp = NULL; |
f3ed775e | 122 | char *cmdline = NULL; |
5f1abdd9 | 123 | char path[20]; /* Can't go bigger than /proc/65535/cmdline */ |
f3ed775e DG |
124 | |
125 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); | |
126 | fp = fopen(path, "r"); | |
127 | if (fp == NULL) { | |
128 | goto end; | |
129 | } | |
130 | ||
131 | /* Caller must free() *cmdline */ | |
63a2c1bd | 132 | cmdline = zmalloc(PATH_MAX); |
f6962219 | 133 | if (!cmdline) { |
6f04ed72 | 134 | PERROR("malloc cmdline"); |
f6962219 JG |
135 | goto end; |
136 | } | |
f3ed775e | 137 | ret = fread(cmdline, 1, PATH_MAX, fp); |
f40799e8 | 138 | if (ret < 0) { |
6f04ed72 | 139 | PERROR("fread proc list"); |
f40799e8 | 140 | } |
f3ed775e DG |
141 | |
142 | end: | |
1ad31aec DG |
143 | if (fp) { |
144 | fclose(fp); | |
145 | } | |
f3ed775e DG |
146 | return cmdline; |
147 | } | |
b551a063 | 148 | |
464dd62d MD |
149 | static |
150 | const char *active_string(int value) | |
151 | { | |
152 | switch (value) { | |
2cbf8fed DG |
153 | case 0: return "inactive"; |
154 | case 1: return "active"; | |
464dd62d MD |
155 | case -1: return ""; |
156 | default: return NULL; | |
157 | } | |
158 | } | |
159 | ||
2cbf8fed DG |
160 | static const char *snapshot_string(int value) |
161 | { | |
162 | switch (value) { | |
163 | case 1: | |
164 | return " snapshot"; | |
165 | default: | |
166 | return ""; | |
167 | } | |
168 | } | |
169 | ||
464dd62d MD |
170 | static |
171 | const char *enabled_string(int value) | |
172 | { | |
173 | switch (value) { | |
b09f0429 MD |
174 | case 0: return " [disabled]"; |
175 | case 1: return " [enabled]"; | |
464dd62d MD |
176 | case -1: return ""; |
177 | default: return NULL; | |
178 | } | |
179 | } | |
180 | ||
fceb65df MD |
181 | static |
182 | const char *filter_string(int value) | |
183 | { | |
184 | switch (value) { | |
185 | case 1: return " [with filter]"; | |
186 | default: return ""; | |
187 | } | |
188 | } | |
189 | ||
4634f12e JI |
190 | static |
191 | const char *exclusion_string(int value) | |
192 | { | |
193 | switch (value) { | |
194 | case 1: return " [has exclusions]"; | |
195 | default: return ""; | |
196 | } | |
197 | } | |
198 | ||
1f0e17de DG |
199 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
200 | { | |
201 | switch (value) { | |
af6bce80 DG |
202 | case LTTNG_EVENT_LOGLEVEL_ALL: |
203 | return ":"; | |
1f0e17de | 204 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
af6bce80 | 205 | return " <="; |
1f0e17de | 206 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
af6bce80 | 207 | return " =="; |
1f0e17de | 208 | default: |
af6bce80 | 209 | return " <<TYPE UNKN>>"; |
1f0e17de DG |
210 | } |
211 | } | |
212 | ||
834978fd DG |
213 | static const char *bitness_event(enum lttng_event_flag flags) |
214 | { | |
215 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_32) { | |
216 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
217 | return " [32/64-bit]"; | |
218 | } else { | |
219 | return " [32-bit]"; | |
220 | } | |
221 | } else if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
222 | return " [64-bit]"; | |
223 | } else { | |
224 | return ""; | |
225 | } | |
226 | } | |
227 | ||
b551a063 DG |
228 | /* |
229 | * Pretty print single event. | |
230 | */ | |
231 | static void print_events(struct lttng_event *event) | |
232 | { | |
233 | switch (event->type) { | |
234 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 235 | { |
8b703175 | 236 | if (event->loglevel != -1) { |
af6bce80 | 237 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
8b703175 | 238 | indent6, |
81afa345 | 239 | event->name, |
1f0e17de | 240 | logleveltype_string(event->loglevel_type), |
970d848b | 241 | mi_lttng_loglevel_string(event->loglevel, handle->domain.type), |
8b703175 | 242 | event->loglevel, |
fceb65df | 243 | enabled_string(event->enabled), |
4634f12e | 244 | exclusion_string(event->exclusion), |
fceb65df | 245 | filter_string(event->filter)); |
8b703175 | 246 | } else { |
4634f12e | 247 | MSG("%s%s (type: tracepoint)%s%s%s", |
8b703175 MD |
248 | indent6, |
249 | event->name, | |
fceb65df | 250 | enabled_string(event->enabled), |
4634f12e | 251 | exclusion_string(event->exclusion), |
fceb65df | 252 | filter_string(event->filter)); |
8b703175 | 253 | } |
b551a063 | 254 | break; |
e4baff1e | 255 | } |
1896972b DG |
256 | case LTTNG_EVENT_FUNCTION: |
257 | MSG("%s%s (type: function)%s%s", indent6, | |
258 | event->name, enabled_string(event->enabled), | |
259 | filter_string(event->filter)); | |
260 | if (event->attr.probe.addr != 0) { | |
261 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
262 | } else { | |
263 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
264 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
265 | } | |
266 | break; | |
b551a063 | 267 | case LTTNG_EVENT_PROBE: |
fceb65df MD |
268 | MSG("%s%s (type: probe)%s%s", indent6, |
269 | event->name, enabled_string(event->enabled), | |
270 | filter_string(event->filter)); | |
b551a063 DG |
271 | if (event->attr.probe.addr != 0) { |
272 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
273 | } else { | |
274 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
275 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
276 | } | |
277 | break; | |
b551a063 | 278 | case LTTNG_EVENT_FUNCTION_ENTRY: |
fceb65df MD |
279 | MSG("%s%s (type: function)%s%s", indent6, |
280 | event->name, enabled_string(event->enabled), | |
281 | filter_string(event->filter)); | |
b551a063 DG |
282 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
283 | break; | |
284 | case LTTNG_EVENT_SYSCALL: | |
834978fd DG |
285 | MSG("%s%s%s%s%s", indent6, event->name, |
286 | (opt_syscall ? "" : " (type:syscall)"), | |
fceb65df | 287 | enabled_string(event->enabled), |
834978fd | 288 | bitness_event(event->flags)); |
b551a063 DG |
289 | break; |
290 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
291 | MSG("%s (type: noop)%s%s", indent6, |
292 | enabled_string(event->enabled), | |
293 | filter_string(event->filter)); | |
b551a063 DG |
294 | break; |
295 | case LTTNG_EVENT_ALL: | |
296 | /* We should never have "all" events in list. */ | |
297 | assert(0); | |
298 | break; | |
299 | } | |
300 | } | |
301 | ||
f37d259d MD |
302 | static const char *field_type(struct lttng_event_field *field) |
303 | { | |
304 | switch(field->type) { | |
305 | case LTTNG_EVENT_FIELD_INTEGER: | |
306 | return "integer"; | |
307 | case LTTNG_EVENT_FIELD_ENUM: | |
308 | return "enum"; | |
309 | case LTTNG_EVENT_FIELD_FLOAT: | |
310 | return "float"; | |
311 | case LTTNG_EVENT_FIELD_STRING: | |
312 | return "string"; | |
313 | case LTTNG_EVENT_FIELD_OTHER: | |
314 | default: /* fall-through */ | |
315 | return "unknown"; | |
316 | } | |
317 | } | |
318 | ||
319 | /* | |
320 | * Pretty print single event fields. | |
321 | */ | |
322 | static void print_event_field(struct lttng_event_field *field) | |
323 | { | |
324 | if (!field->field_name[0]) { | |
325 | return; | |
326 | } | |
d8fbe2a9 | 327 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 328 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
329 | } |
330 | ||
fb14d0d8 JR |
331 | /* |
332 | * Machine interface | |
333 | * Jul and ust event listing | |
334 | */ | |
5cdb6027 | 335 | static int mi_list_agent_ust_events(struct lttng_event *events, int count, |
fb14d0d8 JR |
336 | struct lttng_domain *domain) |
337 | { | |
338 | int ret, i; | |
339 | pid_t cur_pid = 0; | |
340 | char *cmdline = NULL; | |
341 | int pid_element_open = 0; | |
342 | ||
343 | /* Open domains element */ | |
344 | ret = mi_lttng_domains_open(writer); | |
345 | if (ret) { | |
346 | goto end; | |
347 | } | |
348 | ||
349 | /* Write domain */ | |
350 | ret = mi_lttng_domain(writer, domain, 1); | |
351 | if (ret) { | |
352 | goto end; | |
353 | } | |
354 | ||
355 | /* Open pids element */ | |
356 | ret = mi_lttng_pids_open(writer); | |
357 | if (ret) { | |
358 | goto end; | |
359 | } | |
360 | ||
361 | for (i = 0; i < count; i++) { | |
362 | if (cur_pid != events[i].pid) { | |
363 | if (pid_element_open) { | |
364 | /* Close the previous events and pid element */ | |
365 | ret = mi_lttng_close_multi_element(writer, 2); | |
366 | if (ret) { | |
367 | goto end; | |
368 | } | |
369 | pid_element_open = 0; | |
370 | } | |
371 | ||
372 | cur_pid = events[i].pid; | |
373 | cmdline = get_cmdline_by_pid(cur_pid); | |
374 | if (!cmdline) { | |
375 | ret = CMD_ERROR; | |
376 | goto end; | |
377 | } | |
378 | ||
379 | if (!pid_element_open) { | |
380 | /* Open and write a pid element */ | |
381 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); | |
382 | if (ret) { | |
383 | goto error; | |
384 | } | |
385 | ||
386 | /* Open events element */ | |
387 | ret = mi_lttng_events_open(writer); | |
388 | if (ret) { | |
389 | goto error; | |
390 | } | |
391 | ||
392 | pid_element_open = 1; | |
393 | } | |
394 | free(cmdline); | |
395 | } | |
396 | ||
397 | /* Write an event */ | |
970d848b | 398 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
399 | if (ret) { |
400 | goto end; | |
401 | } | |
402 | } | |
403 | ||
404 | /* Close pids */ | |
405 | ret = mi_lttng_writer_close_element(writer); | |
406 | if (ret) { | |
407 | goto end; | |
408 | } | |
409 | ||
410 | /* Close domain, domains */ | |
411 | ret = mi_lttng_close_multi_element(writer, 2); | |
412 | end: | |
413 | return ret; | |
414 | error: | |
415 | free(cmdline); | |
416 | return ret; | |
417 | } | |
418 | ||
5cdb6027 | 419 | static int list_agent_events(void) |
3c6a091f | 420 | { |
fb14d0d8 | 421 | int i, size, ret = CMD_SUCCESS; |
3c6a091f DG |
422 | struct lttng_domain domain; |
423 | struct lttng_handle *handle; | |
424 | struct lttng_event *event_list; | |
425 | pid_t cur_pid = 0; | |
426 | char *cmdline = NULL; | |
5cdb6027 | 427 | const char *agent_domain_str; |
3c6a091f DG |
428 | |
429 | memset(&domain, 0, sizeof(domain)); | |
5cdb6027 DG |
430 | if (opt_jul) { |
431 | domain.type = LTTNG_DOMAIN_JUL; | |
432 | } else if (opt_log4j) { | |
433 | domain.type = LTTNG_DOMAIN_LOG4J; | |
0e115563 DG |
434 | } else if (opt_python) { |
435 | domain.type = LTTNG_DOMAIN_PYTHON; | |
5cdb6027 DG |
436 | } |
437 | ||
438 | agent_domain_str = get_domain_str(domain.type); | |
439 | ||
440 | DBG("Getting %s tracing events", agent_domain_str); | |
3c6a091f DG |
441 | |
442 | handle = lttng_create_handle(NULL, &domain); | |
443 | if (handle == NULL) { | |
fb14d0d8 JR |
444 | ret = CMD_ERROR; |
445 | goto end; | |
3c6a091f DG |
446 | } |
447 | ||
448 | size = lttng_list_tracepoints(handle, &event_list); | |
449 | if (size < 0) { | |
5cdb6027 DG |
450 | ERR("Unable to list %s events: %s", agent_domain_str, |
451 | lttng_strerror(size)); | |
fb14d0d8 JR |
452 | ret = CMD_ERROR; |
453 | goto end; | |
3c6a091f DG |
454 | } |
455 | ||
fb14d0d8 JR |
456 | if (lttng_opt_mi) { |
457 | /* Mi print */ | |
5cdb6027 | 458 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
459 | if (ret) { |
460 | ret = CMD_ERROR; | |
461 | goto error; | |
3c6a091f | 462 | } |
fb14d0d8 JR |
463 | } else { |
464 | /* Pretty print */ | |
5cdb6027 DG |
465 | MSG("%s events (Logger name):\n-------------------------", |
466 | agent_domain_str); | |
3c6a091f | 467 | |
fb14d0d8 JR |
468 | if (size == 0) { |
469 | MSG("None"); | |
470 | } | |
3c6a091f | 471 | |
fb14d0d8 JR |
472 | for (i = 0; i < size; i++) { |
473 | if (cur_pid != event_list[i].pid) { | |
474 | cur_pid = event_list[i].pid; | |
475 | cmdline = get_cmdline_by_pid(cur_pid); | |
476 | if (cmdline == NULL) { | |
477 | ret = CMD_ERROR; | |
478 | goto error; | |
479 | } | |
480 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
481 | free(cmdline); | |
482 | } | |
483 | MSG("%s- %s", indent6, event_list[i].name); | |
484 | } | |
3c6a091f | 485 | |
fb14d0d8 JR |
486 | MSG(""); |
487 | } | |
3c6a091f DG |
488 | |
489 | error: | |
fb14d0d8 JR |
490 | free(event_list); |
491 | end: | |
3c6a091f | 492 | lttng_destroy_handle(handle); |
fb14d0d8 | 493 | return ret; |
3c6a091f DG |
494 | } |
495 | ||
b551a063 DG |
496 | /* |
497 | * Ask session daemon for all user space tracepoints available. | |
498 | */ | |
499 | static int list_ust_events(void) | |
500 | { | |
fb14d0d8 | 501 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
502 | struct lttng_domain domain; |
503 | struct lttng_handle *handle; | |
504 | struct lttng_event *event_list; | |
505 | pid_t cur_pid = 0; | |
ea5cbc00 | 506 | char *cmdline = NULL; |
b551a063 | 507 | |
441c16a7 MD |
508 | memset(&domain, 0, sizeof(domain)); |
509 | ||
b551a063 DG |
510 | DBG("Getting UST tracing events"); |
511 | ||
512 | domain.type = LTTNG_DOMAIN_UST; | |
513 | ||
514 | handle = lttng_create_handle(NULL, &domain); | |
515 | if (handle == NULL) { | |
fb14d0d8 JR |
516 | ret = CMD_ERROR; |
517 | goto end; | |
b551a063 DG |
518 | } |
519 | ||
520 | size = lttng_list_tracepoints(handle, &event_list); | |
521 | if (size < 0) { | |
60e835ca | 522 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
fb14d0d8 JR |
523 | ret = CMD_ERROR; |
524 | goto error; | |
b551a063 DG |
525 | } |
526 | ||
fb14d0d8 JR |
527 | if (lttng_opt_mi) { |
528 | /* Mi print */ | |
5cdb6027 | 529 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
530 | } else { |
531 | /* Pretty print */ | |
532 | MSG("UST events:\n-------------"); | |
533 | ||
534 | if (size == 0) { | |
535 | MSG("None"); | |
536 | } | |
537 | ||
538 | for (i = 0; i < size; i++) { | |
539 | if (cur_pid != event_list[i].pid) { | |
540 | cur_pid = event_list[i].pid; | |
541 | cmdline = get_cmdline_by_pid(cur_pid); | |
542 | if (cmdline == NULL) { | |
543 | ret = CMD_ERROR; | |
544 | goto error; | |
545 | } | |
546 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
547 | free(cmdline); | |
548 | } | |
549 | print_events(&event_list[i]); | |
550 | } | |
b551a063 | 551 | |
fb14d0d8 | 552 | MSG(""); |
b551a063 DG |
553 | } |
554 | ||
fb14d0d8 JR |
555 | error: |
556 | free(event_list); | |
557 | end: | |
558 | lttng_destroy_handle(handle); | |
559 | return ret; | |
560 | } | |
561 | ||
562 | /* | |
563 | * Machine interface | |
564 | * List all ust event with their fields | |
565 | */ | |
566 | static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count, | |
567 | struct lttng_domain *domain) | |
568 | { | |
569 | int ret, i; | |
570 | pid_t cur_pid = 0; | |
571 | char *cmdline = NULL; | |
572 | int pid_element_open = 0; | |
573 | int event_element_open = 0; | |
574 | struct lttng_event cur_event; | |
575 | ||
576 | /* Open domains element */ | |
577 | ret = mi_lttng_domains_open(writer); | |
578 | if (ret) { | |
579 | goto end; | |
580 | } | |
581 | ||
582 | /* Write domain */ | |
583 | ret = mi_lttng_domain(writer, domain, 1); | |
584 | if (ret) { | |
585 | goto end; | |
586 | } | |
587 | ||
588 | /* Open pids element */ | |
589 | ret = mi_lttng_pids_open(writer); | |
590 | if (ret) { | |
591 | goto end; | |
592 | } | |
593 | ||
594 | for (i = 0; i < count; i++) { | |
595 | if (cur_pid != fields[i].event.pid) { | |
596 | if (pid_element_open) { | |
597 | if (event_element_open) { | |
485ca16f DG |
598 | |
599 | /* Close the previous field element and event. */ | |
fb14d0d8 JR |
600 | ret = mi_lttng_close_multi_element(writer, 2); |
601 | if (ret) { | |
602 | goto end; | |
603 | } | |
604 | event_element_open = 0; | |
605 | } | |
606 | /* Close the previous events, pid element */ | |
607 | ret = mi_lttng_close_multi_element(writer, 2); | |
608 | if (ret) { | |
609 | goto end; | |
610 | } | |
611 | pid_element_open = 0; | |
612 | } | |
613 | ||
614 | cur_pid = fields[i].event.pid; | |
ea5cbc00 | 615 | cmdline = get_cmdline_by_pid(cur_pid); |
fb14d0d8 JR |
616 | if (!pid_element_open) { |
617 | /* Open and write a pid element */ | |
618 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); | |
619 | if (ret) { | |
620 | goto error; | |
621 | } | |
622 | ||
623 | /* Open events element */ | |
624 | ret = mi_lttng_events_open(writer); | |
625 | if (ret) { | |
626 | goto error; | |
627 | } | |
628 | pid_element_open = 1; | |
629 | } | |
ea5cbc00 | 630 | free(cmdline); |
fb14d0d8 JR |
631 | /* Wipe current event since we are about to print a new PID. */ |
632 | memset(&cur_event, 0, sizeof(cur_event)); | |
b551a063 | 633 | } |
b551a063 | 634 | |
fb14d0d8 JR |
635 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
636 | if (event_element_open) { | |
637 | /* Close the previous fields element and the previous event */ | |
638 | ret = mi_lttng_close_multi_element(writer, 2); | |
639 | if (ret) { | |
640 | goto end; | |
641 | } | |
642 | event_element_open = 0; | |
643 | } | |
644 | ||
645 | memcpy(&cur_event, &fields[i].event, | |
646 | sizeof(cur_event)); | |
b551a063 | 647 | |
fb14d0d8 JR |
648 | if (!event_element_open) { |
649 | /* Open and write the event */ | |
970d848b DG |
650 | ret = mi_lttng_event(writer, &cur_event, 1, |
651 | handle->domain.type); | |
fb14d0d8 JR |
652 | if (ret) { |
653 | goto end; | |
654 | } | |
655 | ||
656 | /* Open a fields element */ | |
657 | ret = mi_lttng_event_fields_open(writer); | |
658 | if (ret) { | |
659 | goto end; | |
660 | } | |
661 | event_element_open = 1; | |
662 | } | |
663 | } | |
b551a063 | 664 | |
fb14d0d8 JR |
665 | /* Print the event_field */ |
666 | ret = mi_lttng_event_field(writer, &fields[i]); | |
667 | if (ret) { | |
668 | goto end; | |
669 | } | |
670 | } | |
b551a063 | 671 | |
fb14d0d8 JR |
672 | /* Close pids, domain, domains */ |
673 | ret = mi_lttng_close_multi_element(writer, 3); | |
674 | end: | |
675 | return ret; | |
b551a063 | 676 | error: |
fb14d0d8 JR |
677 | free(cmdline); |
678 | return ret; | |
b551a063 | 679 | } |
f3ed775e | 680 | |
f37d259d MD |
681 | /* |
682 | * Ask session daemon for all user space tracepoint fields available. | |
683 | */ | |
684 | static int list_ust_event_fields(void) | |
685 | { | |
fb14d0d8 | 686 | int i, size, ret = CMD_SUCCESS; |
f37d259d MD |
687 | struct lttng_domain domain; |
688 | struct lttng_handle *handle; | |
689 | struct lttng_event_field *event_field_list; | |
690 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
691 | char *cmdline = NULL; |
692 | ||
f37d259d MD |
693 | struct lttng_event cur_event; |
694 | ||
695 | memset(&domain, 0, sizeof(domain)); | |
696 | memset(&cur_event, 0, sizeof(cur_event)); | |
697 | ||
698 | DBG("Getting UST tracing event fields"); | |
699 | ||
700 | domain.type = LTTNG_DOMAIN_UST; | |
701 | ||
702 | handle = lttng_create_handle(NULL, &domain); | |
703 | if (handle == NULL) { | |
fb14d0d8 JR |
704 | ret = CMD_ERROR; |
705 | goto end; | |
f37d259d MD |
706 | } |
707 | ||
708 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
709 | if (size < 0) { | |
60e835ca | 710 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
fb14d0d8 JR |
711 | ret = CMD_ERROR; |
712 | goto end; | |
f37d259d MD |
713 | } |
714 | ||
fb14d0d8 JR |
715 | if (lttng_opt_mi) { |
716 | /* Mi print */ | |
717 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); | |
718 | if (ret) { | |
719 | ret = CMD_ERROR; | |
720 | goto error; | |
721 | } | |
722 | } else { | |
723 | /* Pretty print */ | |
724 | MSG("UST events:\n-------------"); | |
f37d259d | 725 | |
fb14d0d8 JR |
726 | if (size == 0) { |
727 | MSG("None"); | |
f37d259d | 728 | } |
fb14d0d8 JR |
729 | |
730 | for (i = 0; i < size; i++) { | |
731 | if (cur_pid != event_field_list[i].event.pid) { | |
732 | cur_pid = event_field_list[i].event.pid; | |
733 | cmdline = get_cmdline_by_pid(cur_pid); | |
734 | if (cmdline == NULL) { | |
735 | ret = CMD_ERROR; | |
736 | goto error; | |
737 | } | |
738 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
739 | free(cmdline); | |
740 | /* Wipe current event since we are about to print a new PID. */ | |
741 | memset(&cur_event, 0, sizeof(cur_event)); | |
742 | } | |
743 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
744 | print_events(&event_field_list[i].event); | |
745 | memcpy(&cur_event, &event_field_list[i].event, | |
746 | sizeof(cur_event)); | |
747 | } | |
748 | print_event_field(&event_field_list[i]); | |
f37d259d | 749 | } |
f37d259d | 750 | |
fb14d0d8 JR |
751 | MSG(""); |
752 | } | |
f37d259d | 753 | |
fb14d0d8 | 754 | error: |
f37d259d | 755 | free(event_field_list); |
fb14d0d8 | 756 | end: |
f37d259d | 757 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
758 | return ret; |
759 | } | |
f37d259d | 760 | |
fb14d0d8 JR |
761 | /* |
762 | * Machine interface | |
763 | * Print a list of kernel events | |
764 | */ | |
765 | static int mi_list_kernel_events(struct lttng_event *events, int count, | |
766 | struct lttng_domain *domain) | |
767 | { | |
768 | int ret, i; | |
f37d259d | 769 | |
fb14d0d8 JR |
770 | /* Open domains element */ |
771 | ret = mi_lttng_domains_open(writer); | |
772 | if (ret) { | |
773 | goto end; | |
774 | } | |
775 | ||
776 | /* Write domain */ | |
777 | ret = mi_lttng_domain(writer, domain, 1); | |
778 | if (ret) { | |
779 | goto end; | |
780 | } | |
781 | ||
782 | /* Open events */ | |
783 | ret = mi_lttng_events_open(writer); | |
784 | if (ret) { | |
785 | goto end; | |
786 | } | |
787 | ||
788 | for (i = 0; i < count; i++) { | |
970d848b | 789 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
790 | if (ret) { |
791 | goto end; | |
792 | } | |
793 | } | |
794 | ||
795 | /* close events, domain and domains */ | |
796 | ret = mi_lttng_close_multi_element(writer, 3); | |
797 | if (ret) { | |
798 | goto end; | |
799 | } | |
800 | ||
801 | end: | |
802 | return ret; | |
f37d259d MD |
803 | } |
804 | ||
f3ed775e | 805 | /* |
fb14d0d8 | 806 | * Ask for all trace events in the kernel |
f3ed775e | 807 | */ |
9f19cc17 | 808 | static int list_kernel_events(void) |
f3ed775e | 809 | { |
fb14d0d8 | 810 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
811 | struct lttng_domain domain; |
812 | struct lttng_handle *handle; | |
9f19cc17 | 813 | struct lttng_event *event_list; |
f3ed775e | 814 | |
441c16a7 MD |
815 | memset(&domain, 0, sizeof(domain)); |
816 | ||
b551a063 DG |
817 | DBG("Getting kernel tracing events"); |
818 | ||
819 | domain.type = LTTNG_DOMAIN_KERNEL; | |
820 | ||
821 | handle = lttng_create_handle(NULL, &domain); | |
822 | if (handle == NULL) { | |
fb14d0d8 | 823 | ret = CMD_ERROR; |
b551a063 DG |
824 | goto error; |
825 | } | |
f3ed775e | 826 | |
cd80958d | 827 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 828 | if (size < 0) { |
60e835ca | 829 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 830 | lttng_destroy_handle(handle); |
fb14d0d8 | 831 | return CMD_ERROR; |
f3ed775e DG |
832 | } |
833 | ||
fb14d0d8 JR |
834 | if (lttng_opt_mi) { |
835 | /* Mi print */ | |
836 | ret = mi_list_kernel_events(event_list, size, &domain); | |
837 | if (ret) { | |
838 | ret = CMD_ERROR; | |
839 | goto end; | |
840 | } | |
841 | } else { | |
842 | MSG("Kernel events:\n-------------"); | |
f3ed775e | 843 | |
fb14d0d8 JR |
844 | for (i = 0; i < size; i++) { |
845 | print_events(&event_list[i]); | |
846 | } | |
f3ed775e | 847 | |
fb14d0d8 JR |
848 | MSG(""); |
849 | } | |
b551a063 | 850 | |
fb14d0d8 | 851 | end: |
f3ed775e DG |
852 | free(event_list); |
853 | ||
ef021732 | 854 | lttng_destroy_handle(handle); |
fb14d0d8 | 855 | return ret; |
b551a063 DG |
856 | |
857 | error: | |
ef021732 | 858 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
859 | return ret; |
860 | } | |
861 | ||
834978fd DG |
862 | /* |
863 | * Machine interface | |
864 | * Print a list of system calls. | |
865 | */ | |
866 | static int mi_list_syscalls(struct lttng_event *events, int count) | |
867 | { | |
868 | int ret, i; | |
869 | ||
870 | /* Open events */ | |
871 | ret = mi_lttng_events_open(writer); | |
872 | if (ret) { | |
873 | goto end; | |
874 | } | |
875 | ||
876 | for (i = 0; i < count; i++) { | |
970d848b | 877 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
834978fd DG |
878 | if (ret) { |
879 | goto end; | |
880 | } | |
881 | } | |
882 | ||
883 | /* Close events. */ | |
884 | ret = mi_lttng_writer_close_element(writer); | |
885 | if (ret) { | |
886 | goto end; | |
887 | } | |
888 | ||
889 | end: | |
890 | return ret; | |
891 | } | |
892 | ||
893 | /* | |
894 | * Ask for kernel system calls. | |
895 | */ | |
896 | static int list_syscalls(void) | |
897 | { | |
898 | int i, size, ret = CMD_SUCCESS; | |
899 | struct lttng_event *event_list; | |
900 | ||
901 | DBG("Getting kernel system call events"); | |
902 | ||
903 | size = lttng_list_syscalls(&event_list); | |
904 | if (size < 0) { | |
905 | ERR("Unable to list system calls: %s", lttng_strerror(size)); | |
906 | ret = CMD_ERROR; | |
907 | goto error; | |
908 | } | |
909 | ||
910 | if (lttng_opt_mi) { | |
911 | /* Mi print */ | |
912 | ret = mi_list_syscalls(event_list, size); | |
913 | if (ret) { | |
914 | ret = CMD_ERROR; | |
915 | goto end; | |
916 | } | |
917 | } else { | |
918 | MSG("System calls:\n-------------"); | |
919 | ||
920 | for (i = 0; i < size; i++) { | |
921 | print_events(&event_list[i]); | |
922 | } | |
923 | ||
924 | MSG(""); | |
925 | } | |
926 | ||
927 | end: | |
928 | free(event_list); | |
929 | return ret; | |
930 | ||
931 | error: | |
932 | return ret; | |
933 | } | |
934 | ||
fb14d0d8 JR |
935 | /* |
936 | * Machine Interface | |
5cdb6027 | 937 | * Print a list of agent events |
fb14d0d8 | 938 | */ |
5cdb6027 | 939 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
fb14d0d8 JR |
940 | { |
941 | int ret, i; | |
942 | ||
943 | /* Open events element */ | |
944 | ret = mi_lttng_events_open(writer); | |
945 | if (ret) { | |
946 | goto end; | |
947 | } | |
948 | ||
949 | for (i = 0; i < count; i++) { | |
970d848b | 950 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
951 | if (ret) { |
952 | goto end; | |
953 | } | |
954 | } | |
955 | ||
956 | /* Close events element */ | |
957 | ret = mi_lttng_writer_close_element(writer); | |
958 | ||
959 | end: | |
960 | return ret; | |
f3ed775e DG |
961 | } |
962 | ||
3c6a091f | 963 | /* |
5cdb6027 | 964 | * List agent events for a specific session using the handle. |
3c6a091f DG |
965 | * |
966 | * Return CMD_SUCCESS on success else a negative value. | |
967 | */ | |
5cdb6027 | 968 | static int list_session_agent_events(void) |
3c6a091f | 969 | { |
fb14d0d8 | 970 | int ret = CMD_SUCCESS, count, i; |
3c6a091f DG |
971 | struct lttng_event *events = NULL; |
972 | ||
973 | count = lttng_list_events(handle, "", &events); | |
974 | if (count < 0) { | |
fb14d0d8 JR |
975 | ret = CMD_ERROR; |
976 | ERR("%s", lttng_strerror(count)); | |
3c6a091f DG |
977 | goto error; |
978 | } | |
979 | ||
fb14d0d8 JR |
980 | if (lttng_opt_mi) { |
981 | /* Mi print */ | |
5cdb6027 | 982 | ret = mi_list_session_agent_events(events, count); |
fb14d0d8 JR |
983 | if (ret) { |
984 | ret = CMD_ERROR; | |
985 | goto end; | |
986 | } | |
987 | } else { | |
988 | /* Pretty print */ | |
989 | MSG("Events (Logger name):\n---------------------"); | |
990 | if (count == 0) { | |
991 | MSG("%sNone\n", indent6); | |
992 | goto end; | |
993 | } | |
994 | ||
995 | for (i = 0; i < count; i++) { | |
996 | MSG("%s- %s%s (loglevel%s %s)", indent4, events[i].name, | |
997 | enabled_string(events[i].enabled), | |
998 | logleveltype_string(events[i].loglevel_type), | |
970d848b DG |
999 | mi_lttng_loglevel_string(events[i].loglevel, |
1000 | handle->domain.type)); | |
fb14d0d8 JR |
1001 | } |
1002 | ||
1003 | MSG(""); | |
1004 | } | |
1005 | ||
1006 | end: | |
1007 | free(events); | |
1008 | error: | |
1009 | return ret; | |
1010 | } | |
1011 | ||
1012 | /* | |
1013 | * Machine interface | |
1014 | * print a list of event | |
1015 | */ | |
1016 | static int mi_list_events(struct lttng_event *events, int count) | |
1017 | { | |
1018 | int ret, i; | |
1019 | ||
1020 | /* Open events element */ | |
1021 | ret = mi_lttng_events_open(writer); | |
1022 | if (ret) { | |
3c6a091f DG |
1023 | goto end; |
1024 | } | |
1025 | ||
1026 | for (i = 0; i < count; i++) { | |
970d848b | 1027 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1028 | if (ret) { |
1029 | goto end; | |
1030 | } | |
3c6a091f DG |
1031 | } |
1032 | ||
fb14d0d8 JR |
1033 | /* Close events element */ |
1034 | ret = mi_lttng_writer_close_element(writer); | |
3c6a091f DG |
1035 | |
1036 | end: | |
3c6a091f DG |
1037 | return ret; |
1038 | } | |
1039 | ||
f3ed775e | 1040 | /* |
9f19cc17 | 1041 | * List events of channel of session and domain. |
f3ed775e | 1042 | */ |
cd80958d | 1043 | static int list_events(const char *channel_name) |
f3ed775e | 1044 | { |
fb14d0d8 | 1045 | int ret = CMD_SUCCESS, count, i; |
9f19cc17 | 1046 | struct lttng_event *events = NULL; |
f3ed775e | 1047 | |
cd80958d | 1048 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e | 1049 | if (count < 0) { |
fb14d0d8 JR |
1050 | ret = CMD_ERROR; |
1051 | ERR("%s", lttng_strerror(count)); | |
f3ed775e DG |
1052 | goto error; |
1053 | } | |
1054 | ||
fb14d0d8 JR |
1055 | if (lttng_opt_mi) { |
1056 | /* Mi print */ | |
1057 | ret = mi_list_events(events, count); | |
1058 | if (ret) { | |
1059 | ret = CMD_ERROR; | |
1060 | goto end; | |
1061 | } | |
1062 | } else { | |
1063 | /* Pretty print */ | |
1064 | MSG("\n%sEvents:", indent4); | |
1065 | if (count == 0) { | |
1066 | MSG("%sNone\n", indent6); | |
1067 | goto end; | |
1068 | } | |
f3ed775e | 1069 | |
fb14d0d8 JR |
1070 | for (i = 0; i < count; i++) { |
1071 | print_events(&events[i]); | |
1072 | } | |
f3ed775e | 1073 | |
fb14d0d8 JR |
1074 | MSG(""); |
1075 | } | |
9f19cc17 | 1076 | end: |
0e428499 | 1077 | free(events); |
f3ed775e DG |
1078 | error: |
1079 | return ret; | |
1080 | } | |
1081 | ||
1082 | /* | |
9f19cc17 DG |
1083 | * Pretty print channel |
1084 | */ | |
1085 | static void print_channel(struct lttng_channel *channel) | |
1086 | { | |
464dd62d | 1087 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
1088 | |
1089 | MSG("%sAttributes:", indent4); | |
a5bbe8f6 DG |
1090 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); |
1091 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
9f19cc17 | 1092 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); |
a5bbe8f6 DG |
1093 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); |
1094 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
2f785fe7 DG |
1095 | MSG("%strace file count: %" PRIu64, indent6, channel->attr.tracefile_count); |
1096 | MSG("%strace file size (bytes): %" PRIu64, indent6, channel->attr.tracefile_size); | |
9f19cc17 DG |
1097 | switch (channel->attr.output) { |
1098 | case LTTNG_EVENT_SPLICE: | |
1099 | MSG("%soutput: splice()", indent6); | |
1100 | break; | |
1101 | case LTTNG_EVENT_MMAP: | |
1102 | MSG("%soutput: mmap()", indent6); | |
1103 | break; | |
1104 | } | |
1105 | } | |
1106 | ||
fb14d0d8 JR |
1107 | /* |
1108 | * Machine interface | |
1109 | * Print a list of channel | |
1110 | * | |
1111 | */ | |
1112 | static int mi_list_channels(struct lttng_channel *channels, int count, | |
1113 | const char *channel_name) | |
1114 | { | |
1115 | int i, ret; | |
1116 | unsigned int chan_found = 0; | |
1117 | ||
1118 | /* Open channels element */ | |
1119 | ret = mi_lttng_channels_open(writer); | |
1120 | if (ret) { | |
1121 | goto error; | |
1122 | } | |
1123 | ||
1124 | for (i = 0; i < count; i++) { | |
1125 | if (channel_name != NULL) { | |
1126 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1127 | chan_found = 1; | |
1128 | } else { | |
1129 | continue; | |
1130 | } | |
1131 | } | |
1132 | ||
1133 | /* Write channel element and leave it open */ | |
1134 | ret = mi_lttng_channel(writer, &channels[i], 1); | |
1135 | if (ret) { | |
1136 | goto error; | |
1137 | } | |
1138 | ||
1139 | /* Listing events per channel */ | |
1140 | ret = list_events(channels[i].name); | |
1141 | if (ret) { | |
1142 | goto error; | |
1143 | } | |
1144 | ||
1145 | /* Closing the channel element we opened earlier */ | |
1146 | ret = mi_lttng_writer_close_element(writer); | |
1147 | if (ret) { | |
1148 | goto error; | |
1149 | } | |
1150 | ||
1151 | if (chan_found) { | |
1152 | break; | |
1153 | } | |
1154 | } | |
1155 | ||
1156 | /* Close channels element */ | |
1157 | ret = mi_lttng_writer_close_element(writer); | |
1158 | if (ret) { | |
1159 | goto error; | |
1160 | } | |
1161 | ||
1162 | error: | |
1163 | return ret; | |
1164 | } | |
1165 | ||
9f19cc17 DG |
1166 | /* |
1167 | * List channel(s) of session and domain. | |
f3ed775e | 1168 | * |
9f19cc17 | 1169 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 1170 | */ |
cd80958d | 1171 | static int list_channels(const char *channel_name) |
f3ed775e | 1172 | { |
9f19cc17 DG |
1173 | int count, i, ret = CMD_SUCCESS; |
1174 | unsigned int chan_found = 0; | |
1175 | struct lttng_channel *channels = NULL; | |
f3ed775e | 1176 | |
3e25cb20 | 1177 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 1178 | |
cd80958d | 1179 | count = lttng_list_channels(handle, &channels); |
f3ed775e | 1180 | if (count < 0) { |
c7d620a2 DG |
1181 | switch (-count) { |
1182 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
fb14d0d8 JR |
1183 | if (lttng_opt_mi) { |
1184 | /* When printing mi this is not an error | |
1185 | * but an empty channels element */ | |
1186 | count = 0; | |
1187 | } else { | |
1188 | ret = CMD_SUCCESS; | |
1189 | WARN("No kernel channel"); | |
1190 | goto error_channels; | |
1191 | } | |
c7d620a2 DG |
1192 | break; |
1193 | default: | |
1194 | /* We had a real error */ | |
fb14d0d8 JR |
1195 | ret = CMD_ERROR; |
1196 | ERR("%s", lttng_strerror(count)); | |
1197 | goto error_channels; | |
60e835ca | 1198 | break; |
c7d620a2 | 1199 | } |
f3ed775e DG |
1200 | } |
1201 | ||
fb14d0d8 JR |
1202 | if (lttng_opt_mi) { |
1203 | /* Mi print */ | |
1204 | ret = mi_list_channels(channels, count, channel_name); | |
1205 | if (ret) { | |
1206 | ret = CMD_ERROR; | |
1207 | goto error; | |
1208 | } | |
1209 | } else { | |
1210 | /* Pretty print */ | |
ade7ce52 | 1211 | if (count) { |
fb14d0d8 JR |
1212 | MSG("Channels:\n-------------"); |
1213 | } | |
9f19cc17 | 1214 | |
fb14d0d8 JR |
1215 | for (i = 0; i < count; i++) { |
1216 | if (channel_name != NULL) { | |
1217 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1218 | chan_found = 1; | |
1219 | } else { | |
1220 | continue; | |
1221 | } | |
1222 | } | |
1223 | print_channel(&channels[i]); | |
1224 | ||
1225 | /* Listing events per channel */ | |
1226 | ret = list_events(channels[i].name); | |
1227 | if (ret) { | |
1228 | goto error; | |
1229 | } | |
1230 | ||
1231 | if (chan_found) { | |
1232 | break; | |
9f19cc17 DG |
1233 | } |
1234 | } | |
9f19cc17 | 1235 | |
fb14d0d8 JR |
1236 | if (!chan_found && channel_name != NULL) { |
1237 | ret = CMD_ERROR; | |
1238 | ERR("Channel %s not found", channel_name); | |
1239 | goto error; | |
9f19cc17 | 1240 | } |
fb14d0d8 JR |
1241 | } |
1242 | error: | |
1243 | free(channels); | |
9f19cc17 | 1244 | |
fb14d0d8 JR |
1245 | error_channels: |
1246 | return ret; | |
1247 | } | |
1248 | ||
a5dfbb9d MD |
1249 | /* |
1250 | * List tracker PID(s) of session and domain. | |
1251 | */ | |
1252 | static int list_tracker_pids(void) | |
1253 | { | |
1254 | int enabled, ret; | |
1255 | int *pids = NULL; | |
6223570f | 1256 | size_t nr_pids; |
a5dfbb9d MD |
1257 | |
1258 | ret = lttng_list_tracker_pids(handle, | |
1259 | &enabled, &pids, &nr_pids); | |
1260 | if (ret) { | |
1261 | return ret; | |
1262 | } | |
a5dfbb9d | 1263 | if (enabled) { |
6223570f JG |
1264 | int i; |
1265 | _MSG("PID tracker: ["); | |
a5dfbb9d MD |
1266 | |
1267 | for (i = 0; i < nr_pids; i++) { | |
1268 | if (i) { | |
1269 | _MSG(","); | |
1270 | } | |
1271 | _MSG(" %d", pids[i]); | |
1272 | } | |
6223570f | 1273 | _MSG(" ]\n\n"); |
a5dfbb9d | 1274 | } |
a5dfbb9d MD |
1275 | free(pids); |
1276 | return 0; | |
1277 | } | |
1278 | ||
fb14d0d8 JR |
1279 | /* |
1280 | * Machine interface | |
1281 | * Find the session with session_name as name | |
1282 | * and print his informations. | |
1283 | */ | |
1284 | static int mi_list_session(const char *session_name, | |
1285 | struct lttng_session *sessions, int count) | |
1286 | { | |
1287 | int ret, i; | |
1288 | unsigned int session_found = 0; | |
1289 | ||
1290 | if (session_name == NULL) { | |
1291 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1292 | goto end; | |
1293 | } | |
1294 | ||
1295 | for (i = 0; i < count; i++) { | |
1296 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1297 | /* We need to leave it open to append other informations | |
1298 | * like domain, channel, events etc.*/ | |
1299 | session_found = 1; | |
1300 | ret = mi_lttng_session(writer, &sessions[i], 1); | |
1301 | if (ret) { | |
1302 | goto end; | |
1303 | } | |
9f19cc17 | 1304 | break; |
f3ed775e | 1305 | } |
f3ed775e DG |
1306 | } |
1307 | ||
fb14d0d8 JR |
1308 | if (!session_found) { |
1309 | ERR("Session '%s' not found", session_name); | |
1310 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1311 | goto end; | |
9f19cc17 | 1312 | } |
f3ed775e | 1313 | |
fb14d0d8 JR |
1314 | end: |
1315 | return ret; | |
1316 | } | |
f3ed775e | 1317 | |
fb14d0d8 JR |
1318 | /* |
1319 | * Machine interface | |
1320 | * List all availables session | |
1321 | */ | |
1322 | static int mi_list_sessions(struct lttng_session *sessions, int count) | |
1323 | { | |
1324 | int ret, i; | |
ae856491 | 1325 | |
fb14d0d8 JR |
1326 | /* Opening sessions element */ |
1327 | ret = mi_lttng_sessions_open(writer); | |
1328 | if (ret) { | |
1329 | goto end; | |
1330 | } | |
1331 | ||
1332 | /* Listing sessions */ | |
1333 | for (i = 0; i < count; i++) { | |
1334 | ret = mi_lttng_session(writer, &sessions[i], 0); | |
1335 | if (ret) { | |
1336 | goto end; | |
1337 | } | |
1338 | } | |
1339 | ||
1340 | /* Closing sessions element */ | |
1341 | ret = mi_lttng_writer_close_element(writer); | |
1342 | if (ret) { | |
1343 | goto end; | |
1344 | } | |
1345 | ||
1346 | end: | |
f3ed775e DG |
1347 | return ret; |
1348 | } | |
1349 | ||
1350 | /* | |
9f19cc17 | 1351 | * List available tracing session. List only basic information. |
f3ed775e | 1352 | * |
9f19cc17 | 1353 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 1354 | */ |
9f19cc17 | 1355 | static int list_sessions(const char *session_name) |
f3ed775e | 1356 | { |
fb14d0d8 JR |
1357 | int ret = CMD_SUCCESS; |
1358 | int count, i; | |
9f19cc17 DG |
1359 | unsigned int session_found = 0; |
1360 | struct lttng_session *sessions; | |
1361 | ||
1362 | count = lttng_list_sessions(&sessions); | |
1363 | DBG("Session count %d", count); | |
1364 | if (count < 0) { | |
fb14d0d8 JR |
1365 | ret = CMD_ERROR; |
1366 | ERR("%s", lttng_strerror(count)); | |
d32fb093 | 1367 | goto end; |
9f19cc17 DG |
1368 | } |
1369 | ||
fb14d0d8 JR |
1370 | if (lttng_opt_mi) { |
1371 | /* Mi */ | |
1372 | if (session_name == NULL) { | |
1373 | /* List all session */ | |
1374 | ret = mi_list_sessions(sessions, count); | |
1375 | } else { | |
1376 | /* Note : this return an open session element */ | |
1377 | ret = mi_list_session(session_name, sessions, count); | |
1378 | } | |
1379 | if (ret) { | |
1380 | ret = CMD_ERROR; | |
1381 | goto error; | |
1382 | } | |
1383 | } else { | |
1384 | /* Pretty print */ | |
1385 | if (count == 0) { | |
1386 | MSG("Currently no available tracing session"); | |
fb14d0d8 JR |
1387 | goto end; |
1388 | } | |
9f19cc17 | 1389 | |
fb14d0d8 JR |
1390 | if (session_name == NULL) { |
1391 | MSG("Available tracing sessions:"); | |
1392 | } | |
1393 | ||
1394 | ||
1395 | for (i = 0; i < count; i++) { | |
1396 | if (session_name != NULL) { | |
1397 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1398 | session_found = 1; | |
1399 | MSG("Tracing session %s: [%s%s]", session_name, | |
1400 | active_string(sessions[i].enabled), | |
1401 | snapshot_string(sessions[i].snapshot_mode)); | |
1402 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); | |
1403 | break; | |
1404 | } | |
1405 | } else { | |
1406 | MSG(" %d) %s (%s) [%s%s]", i + 1, | |
1407 | sessions[i].name, sessions[i].path, | |
2cbf8fed DG |
1408 | active_string(sessions[i].enabled), |
1409 | snapshot_string(sessions[i].snapshot_mode)); | |
2f785fe7 | 1410 | MSG("%sTrace path: %s", indent4, sessions[i].path); |
fcbc96a2 JG |
1411 | if (sessions[i].live_timer_interval != 0) { |
1412 | MSG("%sLive timer interval (usec): %u", indent4, | |
1413 | sessions[i].live_timer_interval); | |
1414 | } | |
1415 | MSG(""); | |
9f19cc17 | 1416 | } |
fb14d0d8 JR |
1417 | } |
1418 | ||
1419 | if (!session_found && session_name != NULL) { | |
1420 | ERR("Session '%s' not found", session_name); | |
1421 | ret = CMD_ERROR; | |
1422 | goto error; | |
1423 | } | |
1424 | ||
1425 | if (session_name == NULL) { | |
1426 | MSG("\nUse lttng list <session_name> for more details"); | |
9f19cc17 DG |
1427 | } |
1428 | } | |
1429 | ||
fb14d0d8 | 1430 | error: |
9f19cc17 | 1431 | free(sessions); |
fb14d0d8 JR |
1432 | end: |
1433 | return ret; | |
1434 | } | |
9f19cc17 | 1435 | |
fb14d0d8 JR |
1436 | |
1437 | /* | |
1438 | * Machine Interface | |
1439 | * list available domain(s) for a session. | |
1440 | */ | |
1441 | static int mi_list_domains(struct lttng_domain *domains, int count) | |
1442 | { | |
1443 | int i, ret; | |
1444 | /* Open domains element */ | |
1445 | ret = mi_lttng_domains_open(writer); | |
1446 | if (ret) { | |
1447 | goto end; | |
9f19cc17 DG |
1448 | } |
1449 | ||
fb14d0d8 JR |
1450 | for (i = 0; i < count; i++) { |
1451 | ret = mi_lttng_domain(writer, &domains[i] , 0); | |
1452 | if (ret) { | |
1453 | goto end; | |
1454 | } | |
9f19cc17 | 1455 | } |
f3ed775e | 1456 | |
fb14d0d8 JR |
1457 | /* Closing domains element */ |
1458 | ret = mi_lttng_writer_close_element(writer); | |
1459 | if (ret) { | |
1460 | goto end; | |
1461 | } | |
d32fb093 | 1462 | end: |
f3ed775e DG |
1463 | return ret; |
1464 | } | |
f3ed775e DG |
1465 | |
1466 | /* | |
9f19cc17 | 1467 | * List available domain(s) for a session. |
f3ed775e | 1468 | */ |
330be774 | 1469 | static int list_domains(const char *session_name) |
f3ed775e | 1470 | { |
9f19cc17 DG |
1471 | int i, count, ret = CMD_SUCCESS; |
1472 | struct lttng_domain *domains = NULL; | |
1473 | ||
9f19cc17 | 1474 | |
330be774 | 1475 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 | 1476 | if (count < 0) { |
fb14d0d8 JR |
1477 | ret = CMD_ERROR; |
1478 | ERR("%s", lttng_strerror(count)); | |
9f19cc17 DG |
1479 | goto end; |
1480 | } | |
1481 | ||
fb14d0d8 JR |
1482 | if (lttng_opt_mi) { |
1483 | /* Mi output */ | |
1484 | ret = mi_list_domains(domains, count); | |
1485 | if (ret) { | |
1486 | ret = CMD_ERROR; | |
1487 | goto error; | |
1488 | } | |
1489 | } else { | |
1490 | /* Pretty print */ | |
1491 | MSG("Domains:\n-------------"); | |
1492 | if (count == 0) { | |
1493 | MSG(" None"); | |
1494 | goto end; | |
1495 | } | |
1496 | ||
1497 | for (i = 0; i < count; i++) { | |
1498 | switch (domains[i].type) { | |
1499 | case LTTNG_DOMAIN_KERNEL: | |
1500 | MSG(" - Kernel"); | |
1501 | break; | |
1502 | case LTTNG_DOMAIN_UST: | |
1503 | MSG(" - UST global"); | |
1504 | break; | |
1505 | case LTTNG_DOMAIN_JUL: | |
1506 | MSG(" - JUL (Java Util Logging)"); | |
1507 | break; | |
5cdb6027 DG |
1508 | case LTTNG_DOMAIN_LOG4J: |
1509 | MSG(" - LOG4j (Logging for Java)"); | |
1510 | break; | |
0e115563 DG |
1511 | case LTTNG_DOMAIN_PYTHON: |
1512 | MSG(" - Python (logging)"); | |
1513 | break; | |
fb14d0d8 JR |
1514 | default: |
1515 | break; | |
1516 | } | |
9f19cc17 DG |
1517 | } |
1518 | } | |
1519 | ||
fb14d0d8 | 1520 | error: |
9f19cc17 DG |
1521 | free(domains); |
1522 | ||
fb14d0d8 | 1523 | end: |
9f19cc17 | 1524 | return ret; |
f3ed775e | 1525 | } |
f3ed775e DG |
1526 | |
1527 | /* | |
9f19cc17 | 1528 | * The 'list <options>' first level command |
f3ed775e DG |
1529 | */ |
1530 | int cmd_list(int argc, const char **argv) | |
1531 | { | |
c617c0c6 | 1532 | int opt, ret = CMD_SUCCESS; |
9f19cc17 | 1533 | const char *session_name; |
f3ed775e | 1534 | static poptContext pc; |
9f19cc17 DG |
1535 | struct lttng_domain domain; |
1536 | struct lttng_domain *domains = NULL; | |
f3ed775e | 1537 | |
441c16a7 MD |
1538 | memset(&domain, 0, sizeof(domain)); |
1539 | ||
9f19cc17 | 1540 | if (argc < 1) { |
f3ed775e | 1541 | usage(stderr); |
ca1c3607 | 1542 | ret = CMD_ERROR; |
f3ed775e DG |
1543 | goto end; |
1544 | } | |
1545 | ||
1546 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
1547 | poptReadDefaultConfig(pc, 0); | |
1548 | ||
1549 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
1550 | switch (opt) { | |
1551 | case OPT_HELP: | |
ca1c3607 | 1552 | usage(stdout); |
f3ed775e | 1553 | goto end; |
eeac7d46 MD |
1554 | case OPT_USERSPACE: |
1555 | opt_userspace = 1; | |
eeac7d46 | 1556 | break; |
679b4943 SM |
1557 | case OPT_LIST_OPTIONS: |
1558 | list_cmd_options(stdout, long_options); | |
679b4943 | 1559 | goto end; |
f3ed775e DG |
1560 | default: |
1561 | usage(stderr); | |
1562 | ret = CMD_UNDEFINED; | |
1563 | goto end; | |
1564 | } | |
1565 | } | |
1566 | ||
fb14d0d8 JR |
1567 | /* Mi check */ |
1568 | if (lttng_opt_mi) { | |
1569 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
1570 | if (!writer) { | |
1571 | ret = CMD_ERROR; | |
1572 | goto end; | |
1573 | } | |
1574 | ||
1575 | /* Open command element */ | |
1576 | ret = mi_lttng_writer_command_open(writer, | |
1577 | mi_lttng_element_command_list); | |
1578 | if (ret) { | |
1579 | ret = CMD_ERROR; | |
1580 | goto end; | |
1581 | } | |
1582 | ||
1583 | /* Open output element */ | |
1584 | ret = mi_lttng_writer_open_element(writer, | |
1585 | mi_lttng_element_command_output); | |
1586 | if (ret) { | |
1587 | ret = CMD_ERROR; | |
1588 | goto end; | |
1589 | } | |
1590 | } | |
1591 | ||
9f19cc17 DG |
1592 | /* Get session name (trailing argument) */ |
1593 | session_name = poptGetArg(pc); | |
b551a063 | 1594 | DBG2("Session name: %s", session_name); |
9f19cc17 | 1595 | |
cd80958d DG |
1596 | if (opt_kernel) { |
1597 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
1598 | } else if (opt_userspace) { |
1599 | DBG2("Listing userspace global domain"); | |
1600 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
1601 | } else if (opt_jul) { |
1602 | DBG2("Listing JUL domain"); | |
1603 | domain.type = LTTNG_DOMAIN_JUL; | |
edf60534 | 1604 | } else if (opt_log4j) { |
5cdb6027 | 1605 | domain.type = LTTNG_DOMAIN_LOG4J; |
0e115563 DG |
1606 | } else if (opt_python) { |
1607 | domain.type = LTTNG_DOMAIN_PYTHON; | |
cd80958d DG |
1608 | } |
1609 | ||
834978fd DG |
1610 | if (!opt_kernel && opt_syscall) { |
1611 | WARN("--syscall will only work with the Kernel domain (-k)"); | |
1612 | ret = CMD_ERROR; | |
1613 | goto end; | |
1614 | } | |
1615 | ||
0e115563 | 1616 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_python) { |
aa5de748 MD |
1617 | handle = lttng_create_handle(session_name, &domain); |
1618 | if (handle == NULL) { | |
1619 | ret = CMD_FATAL; | |
1620 | goto end; | |
1621 | } | |
cd80958d DG |
1622 | } |
1623 | ||
9f19cc17 | 1624 | if (session_name == NULL) { |
0e115563 DG |
1625 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j |
1626 | && !opt_python) { | |
b551a063 | 1627 | ret = list_sessions(NULL); |
fb14d0d8 | 1628 | if (ret) { |
b551a063 DG |
1629 | goto end; |
1630 | } | |
1631 | } | |
9f19cc17 | 1632 | if (opt_kernel) { |
834978fd DG |
1633 | if (opt_syscall) { |
1634 | ret = list_syscalls(); | |
1635 | if (ret) { | |
1636 | goto end; | |
1637 | } | |
1638 | } else { | |
1639 | ret = list_kernel_events(); | |
1640 | if (ret) { | |
1641 | goto end; | |
1642 | } | |
9f19cc17 | 1643 | } |
b551a063 DG |
1644 | } |
1645 | if (opt_userspace) { | |
f37d259d MD |
1646 | if (opt_fields) { |
1647 | ret = list_ust_event_fields(); | |
1648 | } else { | |
1649 | ret = list_ust_events(); | |
1650 | } | |
fb14d0d8 | 1651 | if (ret) { |
9f19cc17 DG |
1652 | goto end; |
1653 | } | |
1654 | } | |
0e115563 | 1655 | if (opt_jul || opt_log4j || opt_python) { |
5cdb6027 | 1656 | ret = list_agent_events(); |
fb14d0d8 | 1657 | if (ret) { |
3c6a091f DG |
1658 | goto end; |
1659 | } | |
1660 | } | |
9f19cc17 DG |
1661 | } else { |
1662 | /* List session attributes */ | |
fb14d0d8 JR |
1663 | if (lttng_opt_mi) { |
1664 | /* Open element sessions | |
1665 | * Present for xml consistency */ | |
1666 | ret = mi_lttng_sessions_open(writer); | |
1667 | if (ret) { | |
1668 | goto end; | |
1669 | } | |
1670 | } | |
1671 | /* MI: the ouptut of list_sessions is an unclosed session element */ | |
9f19cc17 | 1672 | ret = list_sessions(session_name); |
fb14d0d8 | 1673 | if (ret) { |
9f19cc17 DG |
1674 | goto end; |
1675 | } | |
1676 | ||
1677 | /* Domain listing */ | |
1678 | if (opt_domain) { | |
330be774 | 1679 | ret = list_domains(session_name); |
9f19cc17 DG |
1680 | goto end; |
1681 | } | |
1682 | ||
fb14d0d8 | 1683 | /* Channel listing */ |
1c3de747 | 1684 | if (opt_kernel || opt_userspace) { |
fb14d0d8 JR |
1685 | if (lttng_opt_mi) { |
1686 | /* Add of domains and domain element for xml | |
1687 | * consistency and validation | |
1688 | */ | |
1689 | ret = mi_lttng_domains_open(writer); | |
1690 | if (ret) { | |
1691 | goto end; | |
1692 | } | |
1693 | ||
1694 | /* Open domain and leave it open for | |
1695 | * nested channels printing */ | |
1696 | ret = mi_lttng_domain(writer, &domain, 1); | |
1697 | if (ret) { | |
1698 | goto end; | |
1699 | } | |
1700 | ||
1701 | } | |
1702 | ||
a5dfbb9d MD |
1703 | ret = list_tracker_pids(); |
1704 | if (ret) { | |
1705 | goto end; | |
1706 | } | |
1707 | ||
cd80958d | 1708 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
1709 | if (ret) { |
1710 | goto end; | |
1711 | } | |
1712 | ||
1713 | if (lttng_opt_mi) { | |
1714 | /* Close domain and domain element */ | |
1715 | ret = mi_lttng_close_multi_element(writer, 2); | |
1716 | } | |
1717 | if (ret) { | |
9f19cc17 DG |
1718 | goto end; |
1719 | } | |
fb14d0d8 JR |
1720 | |
1721 | ||
9f19cc17 | 1722 | } else { |
c617c0c6 MD |
1723 | int i, nb_domain; |
1724 | ||
9f19cc17 | 1725 | /* We want all domain(s) */ |
330be774 | 1726 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 1727 | if (nb_domain < 0) { |
fb14d0d8 JR |
1728 | ret = CMD_ERROR; |
1729 | ERR("%s", lttng_strerror(nb_domain)); | |
9f19cc17 DG |
1730 | goto end; |
1731 | } | |
1732 | ||
fb14d0d8 JR |
1733 | if (lttng_opt_mi) { |
1734 | ret = mi_lttng_domains_open(writer); | |
1735 | if (ret) { | |
1736 | ret = CMD_ERROR; | |
1737 | goto end; | |
1738 | } | |
1739 | } | |
1740 | ||
b551a063 | 1741 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
1742 | switch (domains[i].type) { |
1743 | case LTTNG_DOMAIN_KERNEL: | |
1744 | MSG("=== Domain: Kernel ===\n"); | |
1745 | break; | |
b551a063 DG |
1746 | case LTTNG_DOMAIN_UST: |
1747 | MSG("=== Domain: UST global ===\n"); | |
88c5f0d8 DG |
1748 | MSG("Buffer type: %s\n", |
1749 | domains[i].buf_type == | |
1750 | LTTNG_BUFFER_PER_PID ? "per PID" : "per UID"); | |
b551a063 | 1751 | break; |
3c6a091f DG |
1752 | case LTTNG_DOMAIN_JUL: |
1753 | MSG("=== Domain: JUL (Java Util Logging) ===\n"); | |
1754 | break; | |
5cdb6027 DG |
1755 | case LTTNG_DOMAIN_LOG4J: |
1756 | MSG("=== Domain: LOG4j (Logging for Java) ===\n"); | |
1757 | break; | |
0e115563 DG |
1758 | case LTTNG_DOMAIN_PYTHON: |
1759 | MSG("=== Domain: Python (logging) ===\n"); | |
1760 | break; | |
9f19cc17 DG |
1761 | default: |
1762 | MSG("=== Domain: Unimplemented ===\n"); | |
1763 | break; | |
1764 | } | |
1765 | ||
fb14d0d8 JR |
1766 | if (lttng_opt_mi) { |
1767 | ret = mi_lttng_domain(writer, &domains[i], 1); | |
1768 | if (ret) { | |
1769 | ret = CMD_ERROR; | |
1770 | goto end; | |
1771 | } | |
1772 | } | |
1773 | ||
cd80958d | 1774 | /* Clean handle before creating a new one */ |
aa5de748 MD |
1775 | if (handle) { |
1776 | lttng_destroy_handle(handle); | |
1777 | } | |
cd80958d DG |
1778 | |
1779 | handle = lttng_create_handle(session_name, &domains[i]); | |
1780 | if (handle == NULL) { | |
ca1c3607 | 1781 | ret = CMD_FATAL; |
cd80958d DG |
1782 | goto end; |
1783 | } | |
1784 | ||
5cdb6027 | 1785 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
0e115563 DG |
1786 | domains[i].type == LTTNG_DOMAIN_LOG4J || |
1787 | domains[i].type == LTTNG_DOMAIN_PYTHON) { | |
5cdb6027 | 1788 | ret = list_session_agent_events(); |
fb14d0d8 | 1789 | if (ret) { |
3c6a091f DG |
1790 | goto end; |
1791 | } | |
1792 | continue; | |
1793 | } | |
a5dfbb9d MD |
1794 | |
1795 | switch (domains[i].type) { | |
1796 | case LTTNG_DOMAIN_KERNEL: | |
1797 | case LTTNG_DOMAIN_UST: | |
1798 | ret = list_tracker_pids(); | |
1799 | if (ret) { | |
1800 | goto end; | |
1801 | } | |
1802 | break; | |
1803 | default: | |
1804 | break; | |
1805 | } | |
3c6a091f | 1806 | |
cd80958d | 1807 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
1808 | if (ret) { |
1809 | goto end; | |
1810 | } | |
1811 | ||
1812 | if (lttng_opt_mi) { | |
1813 | /* Close domain element */ | |
1814 | ret = mi_lttng_writer_close_element(writer); | |
1815 | if (ret) { | |
1816 | ret = CMD_ERROR; | |
1817 | goto end; | |
1818 | } | |
1819 | } | |
1820 | ||
1821 | } | |
1822 | if (lttng_opt_mi) { | |
1823 | /* Close the domains, session and sessions element */ | |
1824 | ret = mi_lttng_close_multi_element(writer, 3); | |
1825 | if (ret) { | |
1826 | ret = CMD_ERROR; | |
9f19cc17 DG |
1827 | goto end; |
1828 | } | |
1829 | } | |
1830 | } | |
f3ed775e DG |
1831 | } |
1832 | ||
fb14d0d8 JR |
1833 | /* Mi closing */ |
1834 | if (lttng_opt_mi) { | |
1835 | /* Close output element */ | |
1836 | ret = mi_lttng_writer_close_element(writer); | |
1837 | if (ret) { | |
1838 | ret = CMD_ERROR; | |
1839 | goto end; | |
1840 | } | |
1841 | ||
1842 | /* Command element close */ | |
1843 | ret = mi_lttng_writer_command_close(writer); | |
1844 | if (ret) { | |
1845 | ret = CMD_ERROR; | |
1846 | goto end; | |
1847 | } | |
1848 | } | |
f3ed775e | 1849 | end: |
fb14d0d8 JR |
1850 | /* Mi clean-up */ |
1851 | if (writer && mi_lttng_writer_destroy(writer)) { | |
1852 | /* Preserve original error code */ | |
1853 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
1854 | } | |
1855 | ||
0e428499 | 1856 | free(domains); |
aa5de748 MD |
1857 | if (handle) { |
1858 | lttng_destroy_handle(handle); | |
1859 | } | |
cd80958d | 1860 | |
ca1c3607 | 1861 | poptFreeContext(pc); |
f3ed775e DG |
1862 | return ret; |
1863 | } |