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