Commit | Line | Data |
---|---|---|
f3ed775e DG |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
d14d33bf AM |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License, version 2 only, | |
6 | * as published by the Free Software Foundation. | |
f3ed775e DG |
7 | * |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
d14d33bf AM |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
f3ed775e DG |
16 | */ |
17 | ||
6c1c0768 | 18 | #define _LGPL_SOURCE |
9f19cc17 | 19 | #include <inttypes.h> |
f3ed775e DG |
20 | #include <popt.h> |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
7a3d1328 | 24 | #include <assert.h> |
f3ed775e | 25 | |
fb14d0d8 | 26 | #include <common/mi-lttng.h> |
fae9a062 | 27 | #include <lttng/constant.h> |
fb14d0d8 | 28 | |
c399183f | 29 | #include "../command.h" |
f3ed775e | 30 | |
9f19cc17 DG |
31 | static int opt_userspace; |
32 | static int opt_kernel; | |
3c6a091f | 33 | static int opt_jul; |
5cdb6027 | 34 | static int opt_log4j; |
0e115563 | 35 | static int opt_python; |
9f19cc17 DG |
36 | static char *opt_channel; |
37 | static int opt_domain; | |
f37d259d | 38 | static int opt_fields; |
834978fd | 39 | static int opt_syscall; |
9f19cc17 DG |
40 | |
41 | const char *indent4 = " "; | |
42 | const char *indent6 = " "; | |
43 | const char *indent8 = " "; | |
f3ed775e DG |
44 | |
45 | enum { | |
46 | OPT_HELP = 1, | |
eeac7d46 | 47 | OPT_USERSPACE, |
679b4943 | 48 | OPT_LIST_OPTIONS, |
f3ed775e DG |
49 | }; |
50 | ||
cd80958d | 51 | static struct lttng_handle *handle; |
fb14d0d8 | 52 | static struct mi_writer *writer; |
cd80958d | 53 | |
f3ed775e DG |
54 | static struct poptOption long_options[] = { |
55 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
2fa605f7 JG |
56 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, |
57 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, | |
58 | {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0}, | |
59 | {"log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0}, | |
60 | {"python", 'p', POPT_ARG_VAL, &opt_python, 1, 0, 0}, | |
61 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, | |
62 | {"channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0}, | |
63 | {"domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0}, | |
64 | {"fields", 'f', POPT_ARG_VAL, &opt_fields, 1, 0, 0}, | |
65 | {"syscall", 'S', POPT_ARG_VAL, &opt_syscall, 1, 0, 0}, | |
679b4943 | 66 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
f3ed775e DG |
67 | {0, 0, 0, 0, 0, 0, 0} |
68 | }; | |
69 | ||
70 | /* | |
71 | * usage | |
72 | */ | |
73 | static void usage(FILE *ofp) | |
74 | { | |
747361fe | 75 | fprintf(ofp, "usage: lttng list [OPTIONS] [SESSION [SESSION OPTIONS]]\n"); |
9f19cc17 DG |
76 | fprintf(ofp, "\n"); |
77 | fprintf(ofp, "With no arguments, list available tracing session(s)\n"); | |
78 | fprintf(ofp, "\n"); | |
27221701 DG |
79 | fprintf(ofp, "Without a session, -k lists available kernel events\n"); |
80 | fprintf(ofp, "Without a session, -u lists available userspace events\n"); | |
9f19cc17 DG |
81 | fprintf(ofp, "\n"); |
82 | fprintf(ofp, " -h, --help Show this help\n"); | |
27221701 | 83 | fprintf(ofp, " --list-options Simple listing of options\n"); |
9f19cc17 DG |
84 | fprintf(ofp, " -k, --kernel Select kernel domain\n"); |
85 | fprintf(ofp, " -u, --userspace Select user-space domain.\n"); | |
3c6a091f | 86 | fprintf(ofp, " -j, --jul Apply for Java application using JUL\n"); |
9ad71f16 | 87 | fprintf(ofp, " -l, --log4j Apply for Java application using LOG4J\n"); |
0e115563 | 88 | fprintf(ofp, " -p, --python Apply for Python application using logging\n"); |
f37d259d | 89 | fprintf(ofp, " -f, --fields List event fields.\n"); |
834978fd | 90 | fprintf(ofp, " --syscall List available system calls.\n"); |
f3ed775e | 91 | fprintf(ofp, "\n"); |
27221701 | 92 | fprintf(ofp, "Session Options:\n"); |
9f19cc17 DG |
93 | fprintf(ofp, " -c, --channel NAME List details of a channel\n"); |
94 | fprintf(ofp, " -d, --domain List available domain(s)\n"); | |
f3ed775e DG |
95 | fprintf(ofp, "\n"); |
96 | } | |
97 | ||
98 | /* | |
9f19cc17 | 99 | * Get command line from /proc for a specific pid. |
f3ed775e | 100 | * |
9f19cc17 DG |
101 | * On success, return an allocated string pointer to the proc cmdline. |
102 | * On error, return NULL. | |
f3ed775e DG |
103 | */ |
104 | static char *get_cmdline_by_pid(pid_t pid) | |
105 | { | |
106 | int ret; | |
1ad31aec | 107 | FILE *fp = NULL; |
f3ed775e | 108 | char *cmdline = NULL; |
fae9a062 JG |
109 | /* Can't go bigger than /proc/LTTNG_MAX_PID/cmdline */ |
110 | char path[sizeof("/proc//cmdline") + sizeof(LTTNG_MAX_PID_STR) - 1]; | |
f3ed775e DG |
111 | |
112 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); | |
113 | fp = fopen(path, "r"); | |
114 | if (fp == NULL) { | |
115 | goto end; | |
116 | } | |
117 | ||
118 | /* Caller must free() *cmdline */ | |
63a2c1bd | 119 | cmdline = zmalloc(PATH_MAX); |
f6962219 | 120 | if (!cmdline) { |
6f04ed72 | 121 | PERROR("malloc cmdline"); |
f6962219 JG |
122 | goto end; |
123 | } | |
f3ed775e | 124 | ret = fread(cmdline, 1, PATH_MAX, fp); |
f40799e8 | 125 | if (ret < 0) { |
6f04ed72 | 126 | PERROR("fread proc list"); |
f40799e8 | 127 | } |
f3ed775e DG |
128 | |
129 | end: | |
1ad31aec DG |
130 | if (fp) { |
131 | fclose(fp); | |
132 | } | |
f3ed775e DG |
133 | return cmdline; |
134 | } | |
b551a063 | 135 | |
464dd62d MD |
136 | static |
137 | const char *active_string(int value) | |
138 | { | |
139 | switch (value) { | |
2cbf8fed DG |
140 | case 0: return "inactive"; |
141 | case 1: return "active"; | |
464dd62d MD |
142 | case -1: return ""; |
143 | default: return NULL; | |
144 | } | |
145 | } | |
146 | ||
2cbf8fed DG |
147 | static const char *snapshot_string(int value) |
148 | { | |
149 | switch (value) { | |
150 | case 1: | |
151 | return " snapshot"; | |
152 | default: | |
153 | return ""; | |
154 | } | |
155 | } | |
156 | ||
464dd62d MD |
157 | static |
158 | const char *enabled_string(int value) | |
159 | { | |
160 | switch (value) { | |
b09f0429 MD |
161 | case 0: return " [disabled]"; |
162 | case 1: return " [enabled]"; | |
464dd62d MD |
163 | case -1: return ""; |
164 | default: return NULL; | |
165 | } | |
166 | } | |
167 | ||
fceb65df | 168 | static |
7b4a95b1 | 169 | const char *safe_string(const char *str) |
fceb65df | 170 | { |
7b4a95b1 | 171 | return str ? str : ""; |
4634f12e JI |
172 | } |
173 | ||
1f0e17de DG |
174 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
175 | { | |
176 | switch (value) { | |
af6bce80 DG |
177 | case LTTNG_EVENT_LOGLEVEL_ALL: |
178 | return ":"; | |
1f0e17de | 179 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
af6bce80 | 180 | return " <="; |
1f0e17de | 181 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
af6bce80 | 182 | return " =="; |
1f0e17de | 183 | default: |
af6bce80 | 184 | return " <<TYPE UNKN>>"; |
1f0e17de DG |
185 | } |
186 | } | |
187 | ||
834978fd DG |
188 | static const char *bitness_event(enum lttng_event_flag flags) |
189 | { | |
190 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_32) { | |
191 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
192 | return " [32/64-bit]"; | |
193 | } else { | |
194 | return " [32-bit]"; | |
195 | } | |
196 | } else if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
197 | return " [64-bit]"; | |
198 | } else { | |
199 | return ""; | |
200 | } | |
201 | } | |
202 | ||
7b4a95b1 PP |
203 | /* |
204 | * Get exclusion names message for a single event. | |
205 | * | |
206 | * Returned pointer must be freed by caller. Returns NULL on error. | |
207 | */ | |
208 | static char *get_exclusion_names_msg(struct lttng_event *event) | |
209 | { | |
210 | int ret; | |
211 | int exclusion_count; | |
212 | char *exclusion_msg = NULL; | |
213 | char *at; | |
214 | int count; | |
215 | size_t i; | |
216 | const char * const exclusion_fmt = " [exclusions: "; | |
19ed7632 | 217 | const size_t exclusion_fmt_len = strlen(exclusion_fmt); |
7b4a95b1 PP |
218 | |
219 | exclusion_count = lttng_event_get_exclusion_name_count(event); | |
220 | if (exclusion_count < 0) { | |
221 | goto end; | |
222 | } else if (exclusion_count == 0) { | |
223 | /* | |
224 | * No exclusions: return copy of empty string so that | |
225 | * it can be freed by caller. | |
226 | */ | |
227 | exclusion_msg = strdup(""); | |
228 | goto end; | |
229 | } | |
230 | ||
231 | /* | |
232 | * exclusion_msg's size is bounded by the exclusion_fmt string, | |
233 | * a comma per entry, the entry count (fixed-size), a closing | |
234 | * bracket, and a trailing \0. | |
235 | */ | |
236 | exclusion_msg = malloc(exclusion_count + | |
237 | exclusion_count * LTTNG_SYMBOL_NAME_LEN + | |
19ed7632 | 238 | exclusion_fmt_len + 1); |
7b4a95b1 PP |
239 | if (!exclusion_msg) { |
240 | goto end; | |
241 | } | |
242 | ||
19ed7632 | 243 | at = strcpy(exclusion_msg, exclusion_fmt) + exclusion_fmt_len; |
7b4a95b1 PP |
244 | for (i = 0; i < exclusion_count; ++i) { |
245 | const char *name; | |
246 | ||
247 | /* Append comma between exclusion names */ | |
248 | if (i > 0) { | |
249 | *at = ','; | |
250 | at++; | |
251 | } | |
252 | ||
253 | ret = lttng_event_get_exclusion_name(event, i, &name); | |
254 | if (ret) { | |
255 | /* Prints '?' on local error; should never happen */ | |
256 | *at = '?'; | |
257 | at++; | |
258 | continue; | |
259 | } | |
260 | ||
261 | /* Append exclusion name */ | |
262 | count = sprintf(at, "%s", name); | |
263 | at += count; | |
264 | } | |
265 | ||
266 | /* This also puts a final '\0' at the end of exclusion_msg */ | |
19ed7632 | 267 | strcpy(at, "]"); |
7b4a95b1 PP |
268 | |
269 | end: | |
270 | return exclusion_msg; | |
271 | } | |
272 | ||
b551a063 DG |
273 | /* |
274 | * Pretty print single event. | |
275 | */ | |
276 | static void print_events(struct lttng_event *event) | |
277 | { | |
4adbcc72 PP |
278 | int ret; |
279 | const char *filter_str; | |
280 | char *filter_msg = NULL; | |
7b4a95b1 | 281 | char *exclusion_msg = NULL; |
4adbcc72 PP |
282 | |
283 | ret = lttng_event_get_filter_string(event, &filter_str); | |
284 | ||
285 | if (ret) { | |
286 | filter_msg = strdup(" [failed to retrieve filter]"); | |
287 | } else if (filter_str) { | |
288 | const char * const filter_fmt = " [filter: '%s']"; | |
289 | ||
290 | filter_msg = malloc(strlen(filter_str) + | |
291 | strlen(filter_fmt) + 1); | |
292 | if (filter_msg) { | |
293 | sprintf(filter_msg, filter_fmt, | |
294 | filter_str); | |
295 | } | |
296 | } | |
297 | ||
7b4a95b1 PP |
298 | exclusion_msg = get_exclusion_names_msg(event); |
299 | if (!exclusion_msg) { | |
300 | exclusion_msg = strdup(" [failed to retrieve exclusions]"); | |
301 | } | |
302 | ||
b551a063 DG |
303 | switch (event->type) { |
304 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 305 | { |
8b703175 | 306 | if (event->loglevel != -1) { |
af6bce80 | 307 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
8b703175 | 308 | indent6, |
81afa345 | 309 | event->name, |
1f0e17de | 310 | logleveltype_string(event->loglevel_type), |
970d848b | 311 | mi_lttng_loglevel_string(event->loglevel, handle->domain.type), |
8b703175 | 312 | event->loglevel, |
fceb65df | 313 | enabled_string(event->enabled), |
7b4a95b1 PP |
314 | safe_string(exclusion_msg), |
315 | safe_string(filter_msg)); | |
8b703175 | 316 | } else { |
4634f12e | 317 | MSG("%s%s (type: tracepoint)%s%s%s", |
8b703175 MD |
318 | indent6, |
319 | event->name, | |
fceb65df | 320 | enabled_string(event->enabled), |
7b4a95b1 PP |
321 | safe_string(exclusion_msg), |
322 | safe_string(filter_msg)); | |
8b703175 | 323 | } |
b551a063 | 324 | break; |
e4baff1e | 325 | } |
1896972b DG |
326 | case LTTNG_EVENT_FUNCTION: |
327 | MSG("%s%s (type: function)%s%s", indent6, | |
328 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 329 | safe_string(filter_msg)); |
1896972b DG |
330 | if (event->attr.probe.addr != 0) { |
331 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
332 | } else { | |
333 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
334 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
335 | } | |
336 | break; | |
b551a063 | 337 | case LTTNG_EVENT_PROBE: |
fceb65df MD |
338 | MSG("%s%s (type: probe)%s%s", indent6, |
339 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 340 | safe_string(filter_msg)); |
b551a063 DG |
341 | if (event->attr.probe.addr != 0) { |
342 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
343 | } else { | |
344 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
345 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
346 | } | |
347 | break; | |
b551a063 | 348 | case LTTNG_EVENT_FUNCTION_ENTRY: |
fceb65df MD |
349 | MSG("%s%s (type: function)%s%s", indent6, |
350 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 351 | safe_string(filter_msg)); |
b551a063 DG |
352 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
353 | break; | |
354 | case LTTNG_EVENT_SYSCALL: | |
834978fd DG |
355 | MSG("%s%s%s%s%s", indent6, event->name, |
356 | (opt_syscall ? "" : " (type:syscall)"), | |
fceb65df | 357 | enabled_string(event->enabled), |
834978fd | 358 | bitness_event(event->flags)); |
b551a063 DG |
359 | break; |
360 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
361 | MSG("%s (type: noop)%s%s", indent6, |
362 | enabled_string(event->enabled), | |
7b4a95b1 | 363 | safe_string(filter_msg)); |
b551a063 DG |
364 | break; |
365 | case LTTNG_EVENT_ALL: | |
366 | /* We should never have "all" events in list. */ | |
367 | assert(0); | |
368 | break; | |
369 | } | |
4adbcc72 PP |
370 | |
371 | free(filter_msg); | |
7b4a95b1 | 372 | free(exclusion_msg); |
b551a063 DG |
373 | } |
374 | ||
f37d259d MD |
375 | static const char *field_type(struct lttng_event_field *field) |
376 | { | |
377 | switch(field->type) { | |
378 | case LTTNG_EVENT_FIELD_INTEGER: | |
379 | return "integer"; | |
380 | case LTTNG_EVENT_FIELD_ENUM: | |
381 | return "enum"; | |
382 | case LTTNG_EVENT_FIELD_FLOAT: | |
383 | return "float"; | |
384 | case LTTNG_EVENT_FIELD_STRING: | |
385 | return "string"; | |
386 | case LTTNG_EVENT_FIELD_OTHER: | |
387 | default: /* fall-through */ | |
388 | return "unknown"; | |
389 | } | |
390 | } | |
391 | ||
392 | /* | |
393 | * Pretty print single event fields. | |
394 | */ | |
395 | static void print_event_field(struct lttng_event_field *field) | |
396 | { | |
397 | if (!field->field_name[0]) { | |
398 | return; | |
399 | } | |
d8fbe2a9 | 400 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 401 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
402 | } |
403 | ||
fb14d0d8 JR |
404 | /* |
405 | * Machine interface | |
406 | * Jul and ust event listing | |
407 | */ | |
5cdb6027 | 408 | static int mi_list_agent_ust_events(struct lttng_event *events, int count, |
fb14d0d8 JR |
409 | struct lttng_domain *domain) |
410 | { | |
411 | int ret, i; | |
412 | pid_t cur_pid = 0; | |
413 | char *cmdline = NULL; | |
414 | int pid_element_open = 0; | |
415 | ||
416 | /* Open domains element */ | |
417 | ret = mi_lttng_domains_open(writer); | |
418 | if (ret) { | |
419 | goto end; | |
420 | } | |
421 | ||
422 | /* Write domain */ | |
423 | ret = mi_lttng_domain(writer, domain, 1); | |
424 | if (ret) { | |
425 | goto end; | |
426 | } | |
427 | ||
bf239d4c JR |
428 | /* Open pids element element */ |
429 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
430 | if (ret) { |
431 | goto end; | |
432 | } | |
433 | ||
434 | for (i = 0; i < count; i++) { | |
435 | if (cur_pid != events[i].pid) { | |
436 | if (pid_element_open) { | |
2e9aecb9 | 437 | /* Close the previous events and pid element */ |
fb14d0d8 JR |
438 | ret = mi_lttng_close_multi_element(writer, 2); |
439 | if (ret) { | |
440 | goto end; | |
441 | } | |
442 | pid_element_open = 0; | |
443 | } | |
444 | ||
445 | cur_pid = events[i].pid; | |
446 | cmdline = get_cmdline_by_pid(cur_pid); | |
447 | if (!cmdline) { | |
448 | ret = CMD_ERROR; | |
449 | goto end; | |
450 | } | |
451 | ||
452 | if (!pid_element_open) { | |
453 | /* Open and write a pid element */ | |
bf239d4c | 454 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); |
fb14d0d8 JR |
455 | if (ret) { |
456 | goto error; | |
457 | } | |
458 | ||
459 | /* Open events element */ | |
460 | ret = mi_lttng_events_open(writer); | |
461 | if (ret) { | |
462 | goto error; | |
463 | } | |
464 | ||
465 | pid_element_open = 1; | |
466 | } | |
467 | free(cmdline); | |
468 | } | |
469 | ||
470 | /* Write an event */ | |
970d848b | 471 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
472 | if (ret) { |
473 | goto end; | |
474 | } | |
475 | } | |
476 | ||
bf239d4c | 477 | /* Close pids */ |
fb14d0d8 JR |
478 | ret = mi_lttng_writer_close_element(writer); |
479 | if (ret) { | |
480 | goto end; | |
481 | } | |
482 | ||
483 | /* Close domain, domains */ | |
484 | ret = mi_lttng_close_multi_element(writer, 2); | |
485 | end: | |
486 | return ret; | |
487 | error: | |
488 | free(cmdline); | |
489 | return ret; | |
490 | } | |
491 | ||
5cdb6027 | 492 | static int list_agent_events(void) |
3c6a091f | 493 | { |
fb14d0d8 | 494 | int i, size, ret = CMD_SUCCESS; |
3c6a091f | 495 | struct lttng_domain domain; |
26c610c9 | 496 | struct lttng_handle *handle = NULL; |
469b972b | 497 | struct lttng_event *event_list = NULL; |
3c6a091f DG |
498 | pid_t cur_pid = 0; |
499 | char *cmdline = NULL; | |
5cdb6027 | 500 | const char *agent_domain_str; |
3c6a091f DG |
501 | |
502 | memset(&domain, 0, sizeof(domain)); | |
5cdb6027 DG |
503 | if (opt_jul) { |
504 | domain.type = LTTNG_DOMAIN_JUL; | |
505 | } else if (opt_log4j) { | |
506 | domain.type = LTTNG_DOMAIN_LOG4J; | |
0e115563 DG |
507 | } else if (opt_python) { |
508 | domain.type = LTTNG_DOMAIN_PYTHON; | |
26c610c9 JG |
509 | } else { |
510 | ERR("Invalid agent domain selected."); | |
511 | ret = CMD_ERROR; | |
512 | goto error; | |
5cdb6027 DG |
513 | } |
514 | ||
515 | agent_domain_str = get_domain_str(domain.type); | |
516 | ||
517 | DBG("Getting %s tracing events", agent_domain_str); | |
3c6a091f DG |
518 | |
519 | handle = lttng_create_handle(NULL, &domain); | |
520 | if (handle == NULL) { | |
fb14d0d8 JR |
521 | ret = CMD_ERROR; |
522 | goto end; | |
3c6a091f DG |
523 | } |
524 | ||
525 | size = lttng_list_tracepoints(handle, &event_list); | |
526 | if (size < 0) { | |
5cdb6027 DG |
527 | ERR("Unable to list %s events: %s", agent_domain_str, |
528 | lttng_strerror(size)); | |
fb14d0d8 JR |
529 | ret = CMD_ERROR; |
530 | goto end; | |
3c6a091f DG |
531 | } |
532 | ||
fb14d0d8 JR |
533 | if (lttng_opt_mi) { |
534 | /* Mi print */ | |
5cdb6027 | 535 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
536 | if (ret) { |
537 | ret = CMD_ERROR; | |
538 | goto error; | |
3c6a091f | 539 | } |
fb14d0d8 JR |
540 | } else { |
541 | /* Pretty print */ | |
5cdb6027 DG |
542 | MSG("%s events (Logger name):\n-------------------------", |
543 | agent_domain_str); | |
3c6a091f | 544 | |
fb14d0d8 JR |
545 | if (size == 0) { |
546 | MSG("None"); | |
547 | } | |
3c6a091f | 548 | |
fb14d0d8 JR |
549 | for (i = 0; i < size; i++) { |
550 | if (cur_pid != event_list[i].pid) { | |
551 | cur_pid = event_list[i].pid; | |
552 | cmdline = get_cmdline_by_pid(cur_pid); | |
553 | if (cmdline == NULL) { | |
554 | ret = CMD_ERROR; | |
555 | goto error; | |
556 | } | |
557 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
558 | free(cmdline); | |
559 | } | |
560 | MSG("%s- %s", indent6, event_list[i].name); | |
561 | } | |
3c6a091f | 562 | |
fb14d0d8 JR |
563 | MSG(""); |
564 | } | |
3c6a091f DG |
565 | |
566 | error: | |
fb14d0d8 JR |
567 | free(event_list); |
568 | end: | |
3c6a091f | 569 | lttng_destroy_handle(handle); |
fb14d0d8 | 570 | return ret; |
3c6a091f DG |
571 | } |
572 | ||
b551a063 DG |
573 | /* |
574 | * Ask session daemon for all user space tracepoints available. | |
575 | */ | |
576 | static int list_ust_events(void) | |
577 | { | |
fb14d0d8 | 578 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
579 | struct lttng_domain domain; |
580 | struct lttng_handle *handle; | |
bec97646 | 581 | struct lttng_event *event_list = NULL; |
b551a063 | 582 | pid_t cur_pid = 0; |
ea5cbc00 | 583 | char *cmdline = NULL; |
b551a063 | 584 | |
441c16a7 MD |
585 | memset(&domain, 0, sizeof(domain)); |
586 | ||
b551a063 DG |
587 | DBG("Getting UST tracing events"); |
588 | ||
589 | domain.type = LTTNG_DOMAIN_UST; | |
590 | ||
591 | handle = lttng_create_handle(NULL, &domain); | |
592 | if (handle == NULL) { | |
fb14d0d8 JR |
593 | ret = CMD_ERROR; |
594 | goto end; | |
b551a063 DG |
595 | } |
596 | ||
597 | size = lttng_list_tracepoints(handle, &event_list); | |
598 | if (size < 0) { | |
60e835ca | 599 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
fb14d0d8 JR |
600 | ret = CMD_ERROR; |
601 | goto error; | |
b551a063 DG |
602 | } |
603 | ||
fb14d0d8 JR |
604 | if (lttng_opt_mi) { |
605 | /* Mi print */ | |
5cdb6027 | 606 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
607 | } else { |
608 | /* Pretty print */ | |
609 | MSG("UST events:\n-------------"); | |
610 | ||
611 | if (size == 0) { | |
612 | MSG("None"); | |
613 | } | |
614 | ||
615 | for (i = 0; i < size; i++) { | |
616 | if (cur_pid != event_list[i].pid) { | |
617 | cur_pid = event_list[i].pid; | |
618 | cmdline = get_cmdline_by_pid(cur_pid); | |
619 | if (cmdline == NULL) { | |
620 | ret = CMD_ERROR; | |
621 | goto error; | |
622 | } | |
623 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
624 | free(cmdline); | |
625 | } | |
626 | print_events(&event_list[i]); | |
627 | } | |
b551a063 | 628 | |
fb14d0d8 | 629 | MSG(""); |
b551a063 DG |
630 | } |
631 | ||
fb14d0d8 JR |
632 | error: |
633 | free(event_list); | |
634 | end: | |
635 | lttng_destroy_handle(handle); | |
636 | return ret; | |
637 | } | |
638 | ||
639 | /* | |
640 | * Machine interface | |
641 | * List all ust event with their fields | |
642 | */ | |
643 | static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count, | |
644 | struct lttng_domain *domain) | |
645 | { | |
646 | int ret, i; | |
647 | pid_t cur_pid = 0; | |
648 | char *cmdline = NULL; | |
649 | int pid_element_open = 0; | |
650 | int event_element_open = 0; | |
651 | struct lttng_event cur_event; | |
652 | ||
653 | /* Open domains element */ | |
654 | ret = mi_lttng_domains_open(writer); | |
655 | if (ret) { | |
656 | goto end; | |
657 | } | |
658 | ||
659 | /* Write domain */ | |
660 | ret = mi_lttng_domain(writer, domain, 1); | |
661 | if (ret) { | |
662 | goto end; | |
663 | } | |
664 | ||
bf239d4c JR |
665 | /* Open pids element */ |
666 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
667 | if (ret) { |
668 | goto end; | |
669 | } | |
670 | ||
671 | for (i = 0; i < count; i++) { | |
672 | if (cur_pid != fields[i].event.pid) { | |
673 | if (pid_element_open) { | |
674 | if (event_element_open) { | |
485ca16f DG |
675 | |
676 | /* Close the previous field element and event. */ | |
fb14d0d8 JR |
677 | ret = mi_lttng_close_multi_element(writer, 2); |
678 | if (ret) { | |
679 | goto end; | |
680 | } | |
681 | event_element_open = 0; | |
682 | } | |
683 | /* Close the previous events, pid element */ | |
684 | ret = mi_lttng_close_multi_element(writer, 2); | |
685 | if (ret) { | |
686 | goto end; | |
687 | } | |
688 | pid_element_open = 0; | |
689 | } | |
690 | ||
691 | cur_pid = fields[i].event.pid; | |
ea5cbc00 | 692 | cmdline = get_cmdline_by_pid(cur_pid); |
fb14d0d8 | 693 | if (!pid_element_open) { |
bf239d4c JR |
694 | /* Open and write a pid element */ |
695 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); | |
fb14d0d8 JR |
696 | if (ret) { |
697 | goto error; | |
698 | } | |
699 | ||
700 | /* Open events element */ | |
701 | ret = mi_lttng_events_open(writer); | |
702 | if (ret) { | |
703 | goto error; | |
704 | } | |
705 | pid_element_open = 1; | |
706 | } | |
ea5cbc00 | 707 | free(cmdline); |
fb14d0d8 JR |
708 | /* Wipe current event since we are about to print a new PID. */ |
709 | memset(&cur_event, 0, sizeof(cur_event)); | |
b551a063 | 710 | } |
b551a063 | 711 | |
fb14d0d8 JR |
712 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
713 | if (event_element_open) { | |
714 | /* Close the previous fields element and the previous event */ | |
715 | ret = mi_lttng_close_multi_element(writer, 2); | |
716 | if (ret) { | |
717 | goto end; | |
718 | } | |
719 | event_element_open = 0; | |
720 | } | |
721 | ||
722 | memcpy(&cur_event, &fields[i].event, | |
723 | sizeof(cur_event)); | |
b551a063 | 724 | |
fb14d0d8 JR |
725 | if (!event_element_open) { |
726 | /* Open and write the event */ | |
970d848b DG |
727 | ret = mi_lttng_event(writer, &cur_event, 1, |
728 | handle->domain.type); | |
fb14d0d8 JR |
729 | if (ret) { |
730 | goto end; | |
731 | } | |
732 | ||
733 | /* Open a fields element */ | |
734 | ret = mi_lttng_event_fields_open(writer); | |
735 | if (ret) { | |
736 | goto end; | |
737 | } | |
738 | event_element_open = 1; | |
739 | } | |
740 | } | |
b551a063 | 741 | |
fb14d0d8 JR |
742 | /* Print the event_field */ |
743 | ret = mi_lttng_event_field(writer, &fields[i]); | |
744 | if (ret) { | |
745 | goto end; | |
746 | } | |
747 | } | |
b551a063 | 748 | |
bf239d4c | 749 | /* Close pid, domain, domains */ |
fb14d0d8 JR |
750 | ret = mi_lttng_close_multi_element(writer, 3); |
751 | end: | |
752 | return ret; | |
b551a063 | 753 | error: |
fb14d0d8 JR |
754 | free(cmdline); |
755 | return ret; | |
b551a063 | 756 | } |
f3ed775e | 757 | |
f37d259d MD |
758 | /* |
759 | * Ask session daemon for all user space tracepoint fields available. | |
760 | */ | |
761 | static int list_ust_event_fields(void) | |
762 | { | |
fb14d0d8 | 763 | int i, size, ret = CMD_SUCCESS; |
f37d259d MD |
764 | struct lttng_domain domain; |
765 | struct lttng_handle *handle; | |
766 | struct lttng_event_field *event_field_list; | |
767 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
768 | char *cmdline = NULL; |
769 | ||
f37d259d MD |
770 | struct lttng_event cur_event; |
771 | ||
772 | memset(&domain, 0, sizeof(domain)); | |
773 | memset(&cur_event, 0, sizeof(cur_event)); | |
774 | ||
775 | DBG("Getting UST tracing event fields"); | |
776 | ||
777 | domain.type = LTTNG_DOMAIN_UST; | |
778 | ||
779 | handle = lttng_create_handle(NULL, &domain); | |
780 | if (handle == NULL) { | |
fb14d0d8 JR |
781 | ret = CMD_ERROR; |
782 | goto end; | |
f37d259d MD |
783 | } |
784 | ||
785 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
786 | if (size < 0) { | |
60e835ca | 787 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
fb14d0d8 JR |
788 | ret = CMD_ERROR; |
789 | goto end; | |
f37d259d MD |
790 | } |
791 | ||
fb14d0d8 JR |
792 | if (lttng_opt_mi) { |
793 | /* Mi print */ | |
794 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); | |
795 | if (ret) { | |
796 | ret = CMD_ERROR; | |
797 | goto error; | |
798 | } | |
799 | } else { | |
800 | /* Pretty print */ | |
801 | MSG("UST events:\n-------------"); | |
f37d259d | 802 | |
fb14d0d8 JR |
803 | if (size == 0) { |
804 | MSG("None"); | |
f37d259d | 805 | } |
fb14d0d8 JR |
806 | |
807 | for (i = 0; i < size; i++) { | |
808 | if (cur_pid != event_field_list[i].event.pid) { | |
809 | cur_pid = event_field_list[i].event.pid; | |
810 | cmdline = get_cmdline_by_pid(cur_pid); | |
811 | if (cmdline == NULL) { | |
812 | ret = CMD_ERROR; | |
813 | goto error; | |
814 | } | |
815 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
816 | free(cmdline); | |
817 | /* Wipe current event since we are about to print a new PID. */ | |
818 | memset(&cur_event, 0, sizeof(cur_event)); | |
819 | } | |
820 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
821 | print_events(&event_field_list[i].event); | |
822 | memcpy(&cur_event, &event_field_list[i].event, | |
823 | sizeof(cur_event)); | |
824 | } | |
825 | print_event_field(&event_field_list[i]); | |
f37d259d | 826 | } |
f37d259d | 827 | |
fb14d0d8 JR |
828 | MSG(""); |
829 | } | |
f37d259d | 830 | |
fb14d0d8 | 831 | error: |
f37d259d | 832 | free(event_field_list); |
fb14d0d8 | 833 | end: |
f37d259d | 834 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
835 | return ret; |
836 | } | |
f37d259d | 837 | |
fb14d0d8 JR |
838 | /* |
839 | * Machine interface | |
840 | * Print a list of kernel events | |
841 | */ | |
842 | static int mi_list_kernel_events(struct lttng_event *events, int count, | |
843 | struct lttng_domain *domain) | |
844 | { | |
845 | int ret, i; | |
f37d259d | 846 | |
fb14d0d8 JR |
847 | /* Open domains element */ |
848 | ret = mi_lttng_domains_open(writer); | |
849 | if (ret) { | |
850 | goto end; | |
851 | } | |
852 | ||
853 | /* Write domain */ | |
854 | ret = mi_lttng_domain(writer, domain, 1); | |
855 | if (ret) { | |
856 | goto end; | |
857 | } | |
858 | ||
859 | /* Open events */ | |
860 | ret = mi_lttng_events_open(writer); | |
861 | if (ret) { | |
862 | goto end; | |
863 | } | |
864 | ||
865 | for (i = 0; i < count; i++) { | |
970d848b | 866 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
867 | if (ret) { |
868 | goto end; | |
869 | } | |
870 | } | |
871 | ||
872 | /* close events, domain and domains */ | |
873 | ret = mi_lttng_close_multi_element(writer, 3); | |
874 | if (ret) { | |
875 | goto end; | |
876 | } | |
877 | ||
878 | end: | |
879 | return ret; | |
f37d259d MD |
880 | } |
881 | ||
f3ed775e | 882 | /* |
fb14d0d8 | 883 | * Ask for all trace events in the kernel |
f3ed775e | 884 | */ |
9f19cc17 | 885 | static int list_kernel_events(void) |
f3ed775e | 886 | { |
fb14d0d8 | 887 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
888 | struct lttng_domain domain; |
889 | struct lttng_handle *handle; | |
9f19cc17 | 890 | struct lttng_event *event_list; |
f3ed775e | 891 | |
441c16a7 MD |
892 | memset(&domain, 0, sizeof(domain)); |
893 | ||
b551a063 DG |
894 | DBG("Getting kernel tracing events"); |
895 | ||
896 | domain.type = LTTNG_DOMAIN_KERNEL; | |
897 | ||
898 | handle = lttng_create_handle(NULL, &domain); | |
899 | if (handle == NULL) { | |
fb14d0d8 | 900 | ret = CMD_ERROR; |
b551a063 DG |
901 | goto error; |
902 | } | |
f3ed775e | 903 | |
cd80958d | 904 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 905 | if (size < 0) { |
60e835ca | 906 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 907 | lttng_destroy_handle(handle); |
fb14d0d8 | 908 | return CMD_ERROR; |
f3ed775e DG |
909 | } |
910 | ||
fb14d0d8 JR |
911 | if (lttng_opt_mi) { |
912 | /* Mi print */ | |
913 | ret = mi_list_kernel_events(event_list, size, &domain); | |
914 | if (ret) { | |
915 | ret = CMD_ERROR; | |
916 | goto end; | |
917 | } | |
918 | } else { | |
919 | MSG("Kernel events:\n-------------"); | |
f3ed775e | 920 | |
fb14d0d8 JR |
921 | for (i = 0; i < size; i++) { |
922 | print_events(&event_list[i]); | |
923 | } | |
f3ed775e | 924 | |
fb14d0d8 JR |
925 | MSG(""); |
926 | } | |
b551a063 | 927 | |
fb14d0d8 | 928 | end: |
f3ed775e DG |
929 | free(event_list); |
930 | ||
ef021732 | 931 | lttng_destroy_handle(handle); |
fb14d0d8 | 932 | return ret; |
b551a063 DG |
933 | |
934 | error: | |
ef021732 | 935 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
936 | return ret; |
937 | } | |
938 | ||
834978fd DG |
939 | /* |
940 | * Machine interface | |
941 | * Print a list of system calls. | |
942 | */ | |
943 | static int mi_list_syscalls(struct lttng_event *events, int count) | |
944 | { | |
945 | int ret, i; | |
946 | ||
947 | /* Open events */ | |
948 | ret = mi_lttng_events_open(writer); | |
949 | if (ret) { | |
950 | goto end; | |
951 | } | |
952 | ||
953 | for (i = 0; i < count; i++) { | |
970d848b | 954 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
834978fd DG |
955 | if (ret) { |
956 | goto end; | |
957 | } | |
958 | } | |
959 | ||
960 | /* Close events. */ | |
961 | ret = mi_lttng_writer_close_element(writer); | |
962 | if (ret) { | |
963 | goto end; | |
964 | } | |
965 | ||
966 | end: | |
967 | return ret; | |
968 | } | |
969 | ||
970 | /* | |
971 | * Ask for kernel system calls. | |
972 | */ | |
973 | static int list_syscalls(void) | |
974 | { | |
975 | int i, size, ret = CMD_SUCCESS; | |
976 | struct lttng_event *event_list; | |
977 | ||
978 | DBG("Getting kernel system call events"); | |
979 | ||
980 | size = lttng_list_syscalls(&event_list); | |
981 | if (size < 0) { | |
982 | ERR("Unable to list system calls: %s", lttng_strerror(size)); | |
983 | ret = CMD_ERROR; | |
984 | goto error; | |
985 | } | |
986 | ||
987 | if (lttng_opt_mi) { | |
988 | /* Mi print */ | |
989 | ret = mi_list_syscalls(event_list, size); | |
990 | if (ret) { | |
991 | ret = CMD_ERROR; | |
992 | goto end; | |
993 | } | |
994 | } else { | |
995 | MSG("System calls:\n-------------"); | |
996 | ||
997 | for (i = 0; i < size; i++) { | |
998 | print_events(&event_list[i]); | |
999 | } | |
1000 | ||
1001 | MSG(""); | |
1002 | } | |
1003 | ||
1004 | end: | |
1005 | free(event_list); | |
1006 | return ret; | |
1007 | ||
1008 | error: | |
1009 | return ret; | |
1010 | } | |
1011 | ||
fb14d0d8 JR |
1012 | /* |
1013 | * Machine Interface | |
5cdb6027 | 1014 | * Print a list of agent events |
fb14d0d8 | 1015 | */ |
5cdb6027 | 1016 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
fb14d0d8 JR |
1017 | { |
1018 | int ret, i; | |
1019 | ||
1020 | /* Open events element */ | |
1021 | ret = mi_lttng_events_open(writer); | |
1022 | if (ret) { | |
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 | } | |
1031 | } | |
1032 | ||
1033 | /* Close events element */ | |
1034 | ret = mi_lttng_writer_close_element(writer); | |
1035 | ||
1036 | end: | |
1037 | return ret; | |
f3ed775e DG |
1038 | } |
1039 | ||
3c6a091f | 1040 | /* |
5cdb6027 | 1041 | * List agent events for a specific session using the handle. |
3c6a091f DG |
1042 | * |
1043 | * Return CMD_SUCCESS on success else a negative value. | |
1044 | */ | |
5cdb6027 | 1045 | static int list_session_agent_events(void) |
3c6a091f | 1046 | { |
fb14d0d8 | 1047 | int ret = CMD_SUCCESS, count, i; |
3c6a091f DG |
1048 | struct lttng_event *events = NULL; |
1049 | ||
1050 | count = lttng_list_events(handle, "", &events); | |
1051 | if (count < 0) { | |
fb14d0d8 JR |
1052 | ret = CMD_ERROR; |
1053 | ERR("%s", lttng_strerror(count)); | |
3c6a091f DG |
1054 | goto error; |
1055 | } | |
1056 | ||
fb14d0d8 JR |
1057 | if (lttng_opt_mi) { |
1058 | /* Mi print */ | |
5cdb6027 | 1059 | ret = mi_list_session_agent_events(events, count); |
fb14d0d8 JR |
1060 | if (ret) { |
1061 | ret = CMD_ERROR; | |
1062 | goto end; | |
1063 | } | |
1064 | } else { | |
1065 | /* Pretty print */ | |
1066 | MSG("Events (Logger name):\n---------------------"); | |
1067 | if (count == 0) { | |
1068 | MSG("%sNone\n", indent6); | |
1069 | goto end; | |
1070 | } | |
1071 | ||
1072 | for (i = 0; i < count; i++) { | |
9a890ce8 JG |
1073 | const char *filter_str; |
1074 | char *filter_msg = NULL; | |
1075 | struct lttng_event *event = &events[i]; | |
1076 | ||
1077 | ret = lttng_event_get_filter_string(event, &filter_str); | |
1078 | if (ret) { | |
1079 | filter_msg = strdup(" [failed to retrieve filter]"); | |
1080 | } else if (filter_str) { | |
1081 | const char * const filter_fmt = | |
1082 | " [filter: '%s']"; | |
1083 | ||
1084 | filter_msg = malloc(strlen(filter_str) + | |
1085 | strlen(filter_fmt) + 1); | |
1086 | if (filter_msg) { | |
1087 | sprintf(filter_msg, " [filter: '%s']", | |
1088 | filter_str); | |
1089 | } | |
1090 | } | |
1091 | ||
1092 | if (event->loglevel_type != | |
755066c2 | 1093 | LTTNG_EVENT_LOGLEVEL_ALL) { |
9a890ce8 JG |
1094 | MSG("%s- %s%s (loglevel%s %s)%s", indent4, |
1095 | event->name, | |
1096 | enabled_string(event->enabled), | |
755066c2 | 1097 | logleveltype_string( |
9a890ce8 | 1098 | event->loglevel_type), |
755066c2 | 1099 | mi_lttng_loglevel_string( |
9a890ce8 JG |
1100 | event->loglevel, |
1101 | handle->domain.type), | |
7b4a95b1 | 1102 | safe_string(filter_msg)); |
755066c2 | 1103 | } else { |
9a890ce8 JG |
1104 | MSG("%s- %s%s%s", indent4, event->name, |
1105 | enabled_string(event->enabled), | |
7b4a95b1 | 1106 | safe_string(filter_msg)); |
755066c2 | 1107 | } |
9a890ce8 | 1108 | free(filter_msg); |
fb14d0d8 JR |
1109 | } |
1110 | ||
1111 | MSG(""); | |
1112 | } | |
1113 | ||
1114 | end: | |
1115 | free(events); | |
1116 | error: | |
1117 | return ret; | |
1118 | } | |
1119 | ||
1120 | /* | |
1121 | * Machine interface | |
1122 | * print a list of event | |
1123 | */ | |
1124 | static int mi_list_events(struct lttng_event *events, int count) | |
1125 | { | |
1126 | int ret, i; | |
1127 | ||
1128 | /* Open events element */ | |
1129 | ret = mi_lttng_events_open(writer); | |
1130 | if (ret) { | |
3c6a091f DG |
1131 | goto end; |
1132 | } | |
1133 | ||
1134 | for (i = 0; i < count; i++) { | |
970d848b | 1135 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1136 | if (ret) { |
1137 | goto end; | |
1138 | } | |
3c6a091f DG |
1139 | } |
1140 | ||
fb14d0d8 JR |
1141 | /* Close events element */ |
1142 | ret = mi_lttng_writer_close_element(writer); | |
3c6a091f DG |
1143 | |
1144 | end: | |
3c6a091f DG |
1145 | return ret; |
1146 | } | |
1147 | ||
f3ed775e | 1148 | /* |
9f19cc17 | 1149 | * List events of channel of session and domain. |
f3ed775e | 1150 | */ |
cd80958d | 1151 | static int list_events(const char *channel_name) |
f3ed775e | 1152 | { |
fb14d0d8 | 1153 | int ret = CMD_SUCCESS, count, i; |
9f19cc17 | 1154 | struct lttng_event *events = NULL; |
f3ed775e | 1155 | |
cd80958d | 1156 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e | 1157 | if (count < 0) { |
fb14d0d8 JR |
1158 | ret = CMD_ERROR; |
1159 | ERR("%s", lttng_strerror(count)); | |
f3ed775e DG |
1160 | goto error; |
1161 | } | |
1162 | ||
fb14d0d8 JR |
1163 | if (lttng_opt_mi) { |
1164 | /* Mi print */ | |
1165 | ret = mi_list_events(events, count); | |
1166 | if (ret) { | |
1167 | ret = CMD_ERROR; | |
1168 | goto end; | |
1169 | } | |
1170 | } else { | |
1171 | /* Pretty print */ | |
1172 | MSG("\n%sEvents:", indent4); | |
1173 | if (count == 0) { | |
1174 | MSG("%sNone\n", indent6); | |
1175 | goto end; | |
1176 | } | |
f3ed775e | 1177 | |
fb14d0d8 JR |
1178 | for (i = 0; i < count; i++) { |
1179 | print_events(&events[i]); | |
1180 | } | |
f3ed775e | 1181 | |
fb14d0d8 JR |
1182 | MSG(""); |
1183 | } | |
9f19cc17 | 1184 | end: |
0e428499 | 1185 | free(events); |
f3ed775e DG |
1186 | error: |
1187 | return ret; | |
1188 | } | |
1189 | ||
1190 | /* | |
9f19cc17 DG |
1191 | * Pretty print channel |
1192 | */ | |
1193 | static void print_channel(struct lttng_channel *channel) | |
1194 | { | |
464dd62d | 1195 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 DG |
1196 | |
1197 | MSG("%sAttributes:", indent4); | |
a5bbe8f6 DG |
1198 | MSG("%soverwrite mode: %d", indent6, channel->attr.overwrite); |
1199 | MSG("%ssubbufers size: %" PRIu64, indent6, channel->attr.subbuf_size); | |
9f19cc17 | 1200 | MSG("%snumber of subbufers: %" PRIu64, indent6, channel->attr.num_subbuf); |
a5bbe8f6 DG |
1201 | MSG("%sswitch timer interval: %u", indent6, channel->attr.switch_timer_interval); |
1202 | MSG("%sread timer interval: %u", indent6, channel->attr.read_timer_interval); | |
2f785fe7 DG |
1203 | MSG("%strace file count: %" PRIu64, indent6, channel->attr.tracefile_count); |
1204 | MSG("%strace file size (bytes): %" PRIu64, indent6, channel->attr.tracefile_size); | |
9f19cc17 DG |
1205 | switch (channel->attr.output) { |
1206 | case LTTNG_EVENT_SPLICE: | |
1207 | MSG("%soutput: splice()", indent6); | |
1208 | break; | |
1209 | case LTTNG_EVENT_MMAP: | |
1210 | MSG("%soutput: mmap()", indent6); | |
1211 | break; | |
1212 | } | |
1213 | } | |
1214 | ||
fb14d0d8 JR |
1215 | /* |
1216 | * Machine interface | |
1217 | * Print a list of channel | |
1218 | * | |
1219 | */ | |
1220 | static int mi_list_channels(struct lttng_channel *channels, int count, | |
1221 | const char *channel_name) | |
1222 | { | |
1223 | int i, ret; | |
1224 | unsigned int chan_found = 0; | |
1225 | ||
1226 | /* Open channels element */ | |
1227 | ret = mi_lttng_channels_open(writer); | |
1228 | if (ret) { | |
1229 | goto error; | |
1230 | } | |
1231 | ||
1232 | for (i = 0; i < count; i++) { | |
1233 | if (channel_name != NULL) { | |
1234 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1235 | chan_found = 1; | |
1236 | } else { | |
1237 | continue; | |
1238 | } | |
1239 | } | |
1240 | ||
1241 | /* Write channel element and leave it open */ | |
1242 | ret = mi_lttng_channel(writer, &channels[i], 1); | |
1243 | if (ret) { | |
1244 | goto error; | |
1245 | } | |
1246 | ||
1247 | /* Listing events per channel */ | |
1248 | ret = list_events(channels[i].name); | |
1249 | if (ret) { | |
1250 | goto error; | |
1251 | } | |
1252 | ||
1253 | /* Closing the channel element we opened earlier */ | |
1254 | ret = mi_lttng_writer_close_element(writer); | |
1255 | if (ret) { | |
1256 | goto error; | |
1257 | } | |
1258 | ||
1259 | if (chan_found) { | |
1260 | break; | |
1261 | } | |
1262 | } | |
1263 | ||
1264 | /* Close channels element */ | |
1265 | ret = mi_lttng_writer_close_element(writer); | |
1266 | if (ret) { | |
1267 | goto error; | |
1268 | } | |
1269 | ||
1270 | error: | |
1271 | return ret; | |
1272 | } | |
1273 | ||
9f19cc17 DG |
1274 | /* |
1275 | * List channel(s) of session and domain. | |
f3ed775e | 1276 | * |
9f19cc17 | 1277 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 1278 | */ |
cd80958d | 1279 | static int list_channels(const char *channel_name) |
f3ed775e | 1280 | { |
9f19cc17 DG |
1281 | int count, i, ret = CMD_SUCCESS; |
1282 | unsigned int chan_found = 0; | |
1283 | struct lttng_channel *channels = NULL; | |
f3ed775e | 1284 | |
3e25cb20 | 1285 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 1286 | |
cd80958d | 1287 | count = lttng_list_channels(handle, &channels); |
f3ed775e | 1288 | if (count < 0) { |
c7d620a2 DG |
1289 | switch (-count) { |
1290 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
fb14d0d8 JR |
1291 | if (lttng_opt_mi) { |
1292 | /* When printing mi this is not an error | |
1293 | * but an empty channels element */ | |
1294 | count = 0; | |
1295 | } else { | |
1296 | ret = CMD_SUCCESS; | |
1297 | WARN("No kernel channel"); | |
1298 | goto error_channels; | |
1299 | } | |
c7d620a2 DG |
1300 | break; |
1301 | default: | |
1302 | /* We had a real error */ | |
fb14d0d8 JR |
1303 | ret = CMD_ERROR; |
1304 | ERR("%s", lttng_strerror(count)); | |
1305 | goto error_channels; | |
60e835ca | 1306 | break; |
c7d620a2 | 1307 | } |
f3ed775e DG |
1308 | } |
1309 | ||
fb14d0d8 JR |
1310 | if (lttng_opt_mi) { |
1311 | /* Mi print */ | |
1312 | ret = mi_list_channels(channels, count, channel_name); | |
1313 | if (ret) { | |
1314 | ret = CMD_ERROR; | |
1315 | goto error; | |
1316 | } | |
1317 | } else { | |
1318 | /* Pretty print */ | |
ade7ce52 | 1319 | if (count) { |
fb14d0d8 JR |
1320 | MSG("Channels:\n-------------"); |
1321 | } | |
9f19cc17 | 1322 | |
fb14d0d8 JR |
1323 | for (i = 0; i < count; i++) { |
1324 | if (channel_name != NULL) { | |
1325 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1326 | chan_found = 1; | |
1327 | } else { | |
1328 | continue; | |
1329 | } | |
1330 | } | |
1331 | print_channel(&channels[i]); | |
1332 | ||
1333 | /* Listing events per channel */ | |
1334 | ret = list_events(channels[i].name); | |
1335 | if (ret) { | |
1336 | goto error; | |
1337 | } | |
1338 | ||
1339 | if (chan_found) { | |
1340 | break; | |
9f19cc17 DG |
1341 | } |
1342 | } | |
9f19cc17 | 1343 | |
fb14d0d8 JR |
1344 | if (!chan_found && channel_name != NULL) { |
1345 | ret = CMD_ERROR; | |
1346 | ERR("Channel %s not found", channel_name); | |
1347 | goto error; | |
9f19cc17 | 1348 | } |
fb14d0d8 JR |
1349 | } |
1350 | error: | |
1351 | free(channels); | |
9f19cc17 | 1352 | |
fb14d0d8 JR |
1353 | error_channels: |
1354 | return ret; | |
1355 | } | |
1356 | ||
a5dfbb9d MD |
1357 | /* |
1358 | * List tracker PID(s) of session and domain. | |
1359 | */ | |
1360 | static int list_tracker_pids(void) | |
1361 | { | |
ebbf5ab7 JR |
1362 | int ret = 0; |
1363 | int enabled; | |
a5dfbb9d | 1364 | int *pids = NULL; |
6223570f | 1365 | size_t nr_pids; |
a5dfbb9d MD |
1366 | |
1367 | ret = lttng_list_tracker_pids(handle, | |
1368 | &enabled, &pids, &nr_pids); | |
1369 | if (ret) { | |
1370 | return ret; | |
1371 | } | |
a5dfbb9d | 1372 | if (enabled) { |
6223570f JG |
1373 | int i; |
1374 | _MSG("PID tracker: ["); | |
a5dfbb9d | 1375 | |
ebbf5ab7 JR |
1376 | /* Mi tracker_pid element*/ |
1377 | if (writer) { | |
1378 | /* Open tracker_pid and targets elements */ | |
1379 | ret = mi_lttng_pid_tracker_open(writer); | |
1380 | if (ret) { | |
1381 | goto end; | |
1382 | } | |
1383 | } | |
1384 | ||
a5dfbb9d MD |
1385 | for (i = 0; i < nr_pids; i++) { |
1386 | if (i) { | |
1387 | _MSG(","); | |
1388 | } | |
1389 | _MSG(" %d", pids[i]); | |
ebbf5ab7 JR |
1390 | |
1391 | /* Mi */ | |
1392 | if (writer) { | |
1393 | ret = mi_lttng_pid_target(writer, pids[i], 0); | |
1394 | if (ret) { | |
1395 | goto end; | |
1396 | } | |
1397 | } | |
a5dfbb9d | 1398 | } |
6223570f | 1399 | _MSG(" ]\n\n"); |
ebbf5ab7 JR |
1400 | |
1401 | /* Mi close tracker_pid and targets */ | |
1402 | if (writer) { | |
1403 | ret = mi_lttng_close_multi_element(writer,2); | |
1404 | if (ret) { | |
1405 | goto end; | |
1406 | } | |
1407 | } | |
a5dfbb9d | 1408 | } |
ebbf5ab7 | 1409 | end: |
a5dfbb9d | 1410 | free(pids); |
ebbf5ab7 JR |
1411 | return ret; |
1412 | ||
1413 | } | |
1414 | ||
1415 | /* | |
1416 | * List all tracker of a domain | |
1417 | */ | |
1418 | static int list_trackers(void) | |
1419 | { | |
1420 | int ret; | |
1421 | ||
1422 | /* Trackers listing */ | |
1423 | if (lttng_opt_mi) { | |
1424 | ret = mi_lttng_trackers_open(writer); | |
1425 | if (ret) { | |
1426 | goto end; | |
1427 | } | |
1428 | } | |
1429 | ||
1430 | /* pid tracker */ | |
1431 | ret = list_tracker_pids(); | |
1432 | if (ret) { | |
1433 | goto end; | |
1434 | } | |
1435 | ||
1436 | if (lttng_opt_mi) { | |
1437 | /* Close trackers element */ | |
1438 | ret = mi_lttng_writer_close_element(writer); | |
1439 | if (ret) { | |
1440 | goto end; | |
1441 | } | |
1442 | } | |
1443 | ||
1444 | end: | |
1445 | return ret; | |
a5dfbb9d MD |
1446 | } |
1447 | ||
fb14d0d8 JR |
1448 | /* |
1449 | * Machine interface | |
1450 | * Find the session with session_name as name | |
1451 | * and print his informations. | |
1452 | */ | |
1453 | static int mi_list_session(const char *session_name, | |
1454 | struct lttng_session *sessions, int count) | |
1455 | { | |
1456 | int ret, i; | |
1457 | unsigned int session_found = 0; | |
1458 | ||
1459 | if (session_name == NULL) { | |
1460 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1461 | goto end; | |
1462 | } | |
1463 | ||
1464 | for (i = 0; i < count; i++) { | |
1465 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1466 | /* We need to leave it open to append other informations | |
1467 | * like domain, channel, events etc.*/ | |
1468 | session_found = 1; | |
1469 | ret = mi_lttng_session(writer, &sessions[i], 1); | |
1470 | if (ret) { | |
1471 | goto end; | |
1472 | } | |
9f19cc17 | 1473 | break; |
f3ed775e | 1474 | } |
f3ed775e DG |
1475 | } |
1476 | ||
fb14d0d8 JR |
1477 | if (!session_found) { |
1478 | ERR("Session '%s' not found", session_name); | |
1479 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
1480 | goto end; | |
9f19cc17 | 1481 | } |
f3ed775e | 1482 | |
fb14d0d8 JR |
1483 | end: |
1484 | return ret; | |
1485 | } | |
f3ed775e | 1486 | |
fb14d0d8 JR |
1487 | /* |
1488 | * Machine interface | |
1489 | * List all availables session | |
1490 | */ | |
1491 | static int mi_list_sessions(struct lttng_session *sessions, int count) | |
1492 | { | |
1493 | int ret, i; | |
ae856491 | 1494 | |
fb14d0d8 JR |
1495 | /* Opening sessions element */ |
1496 | ret = mi_lttng_sessions_open(writer); | |
1497 | if (ret) { | |
1498 | goto end; | |
1499 | } | |
1500 | ||
1501 | /* Listing sessions */ | |
1502 | for (i = 0; i < count; i++) { | |
1503 | ret = mi_lttng_session(writer, &sessions[i], 0); | |
1504 | if (ret) { | |
1505 | goto end; | |
1506 | } | |
1507 | } | |
1508 | ||
1509 | /* Closing sessions element */ | |
1510 | ret = mi_lttng_writer_close_element(writer); | |
1511 | if (ret) { | |
1512 | goto end; | |
1513 | } | |
1514 | ||
1515 | end: | |
f3ed775e DG |
1516 | return ret; |
1517 | } | |
1518 | ||
1519 | /* | |
9f19cc17 | 1520 | * List available tracing session. List only basic information. |
f3ed775e | 1521 | * |
9f19cc17 | 1522 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 1523 | */ |
9f19cc17 | 1524 | static int list_sessions(const char *session_name) |
f3ed775e | 1525 | { |
fb14d0d8 JR |
1526 | int ret = CMD_SUCCESS; |
1527 | int count, i; | |
9f19cc17 DG |
1528 | unsigned int session_found = 0; |
1529 | struct lttng_session *sessions; | |
1530 | ||
1531 | count = lttng_list_sessions(&sessions); | |
1532 | DBG("Session count %d", count); | |
1533 | if (count < 0) { | |
fb14d0d8 JR |
1534 | ret = CMD_ERROR; |
1535 | ERR("%s", lttng_strerror(count)); | |
d32fb093 | 1536 | goto end; |
9f19cc17 DG |
1537 | } |
1538 | ||
fb14d0d8 JR |
1539 | if (lttng_opt_mi) { |
1540 | /* Mi */ | |
1541 | if (session_name == NULL) { | |
1542 | /* List all session */ | |
1543 | ret = mi_list_sessions(sessions, count); | |
1544 | } else { | |
1545 | /* Note : this return an open session element */ | |
1546 | ret = mi_list_session(session_name, sessions, count); | |
1547 | } | |
1548 | if (ret) { | |
1549 | ret = CMD_ERROR; | |
1550 | goto error; | |
1551 | } | |
1552 | } else { | |
1553 | /* Pretty print */ | |
1554 | if (count == 0) { | |
1555 | MSG("Currently no available tracing session"); | |
fb14d0d8 JR |
1556 | goto end; |
1557 | } | |
9f19cc17 | 1558 | |
fb14d0d8 JR |
1559 | if (session_name == NULL) { |
1560 | MSG("Available tracing sessions:"); | |
1561 | } | |
1562 | ||
1563 | ||
1564 | for (i = 0; i < count; i++) { | |
1565 | if (session_name != NULL) { | |
1566 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
1567 | session_found = 1; | |
1568 | MSG("Tracing session %s: [%s%s]", session_name, | |
1569 | active_string(sessions[i].enabled), | |
1570 | snapshot_string(sessions[i].snapshot_mode)); | |
1571 | MSG("%sTrace path: %s\n", indent4, sessions[i].path); | |
1572 | break; | |
1573 | } | |
1574 | } else { | |
1575 | MSG(" %d) %s (%s) [%s%s]", i + 1, | |
1576 | sessions[i].name, sessions[i].path, | |
2cbf8fed DG |
1577 | active_string(sessions[i].enabled), |
1578 | snapshot_string(sessions[i].snapshot_mode)); | |
2f785fe7 | 1579 | MSG("%sTrace path: %s", indent4, sessions[i].path); |
fcbc96a2 JG |
1580 | if (sessions[i].live_timer_interval != 0) { |
1581 | MSG("%sLive timer interval (usec): %u", indent4, | |
1582 | sessions[i].live_timer_interval); | |
1583 | } | |
1584 | MSG(""); | |
9f19cc17 | 1585 | } |
fb14d0d8 JR |
1586 | } |
1587 | ||
1588 | if (!session_found && session_name != NULL) { | |
1589 | ERR("Session '%s' not found", session_name); | |
1590 | ret = CMD_ERROR; | |
1591 | goto error; | |
1592 | } | |
1593 | ||
1594 | if (session_name == NULL) { | |
1595 | MSG("\nUse lttng list <session_name> for more details"); | |
9f19cc17 DG |
1596 | } |
1597 | } | |
1598 | ||
fb14d0d8 | 1599 | error: |
9f19cc17 | 1600 | free(sessions); |
fb14d0d8 JR |
1601 | end: |
1602 | return ret; | |
1603 | } | |
9f19cc17 | 1604 | |
fb14d0d8 JR |
1605 | |
1606 | /* | |
1607 | * Machine Interface | |
1608 | * list available domain(s) for a session. | |
1609 | */ | |
1610 | static int mi_list_domains(struct lttng_domain *domains, int count) | |
1611 | { | |
1612 | int i, ret; | |
1613 | /* Open domains element */ | |
1614 | ret = mi_lttng_domains_open(writer); | |
1615 | if (ret) { | |
1616 | goto end; | |
9f19cc17 DG |
1617 | } |
1618 | ||
fb14d0d8 JR |
1619 | for (i = 0; i < count; i++) { |
1620 | ret = mi_lttng_domain(writer, &domains[i] , 0); | |
1621 | if (ret) { | |
1622 | goto end; | |
1623 | } | |
9f19cc17 | 1624 | } |
f3ed775e | 1625 | |
fb14d0d8 JR |
1626 | /* Closing domains element */ |
1627 | ret = mi_lttng_writer_close_element(writer); | |
1628 | if (ret) { | |
1629 | goto end; | |
1630 | } | |
d32fb093 | 1631 | end: |
f3ed775e DG |
1632 | return ret; |
1633 | } | |
f3ed775e DG |
1634 | |
1635 | /* | |
9f19cc17 | 1636 | * List available domain(s) for a session. |
f3ed775e | 1637 | */ |
330be774 | 1638 | static int list_domains(const char *session_name) |
f3ed775e | 1639 | { |
9f19cc17 DG |
1640 | int i, count, ret = CMD_SUCCESS; |
1641 | struct lttng_domain *domains = NULL; | |
1642 | ||
9f19cc17 | 1643 | |
330be774 | 1644 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 | 1645 | if (count < 0) { |
fb14d0d8 JR |
1646 | ret = CMD_ERROR; |
1647 | ERR("%s", lttng_strerror(count)); | |
9f19cc17 DG |
1648 | goto end; |
1649 | } | |
1650 | ||
fb14d0d8 JR |
1651 | if (lttng_opt_mi) { |
1652 | /* Mi output */ | |
1653 | ret = mi_list_domains(domains, count); | |
1654 | if (ret) { | |
1655 | ret = CMD_ERROR; | |
1656 | goto error; | |
1657 | } | |
1658 | } else { | |
1659 | /* Pretty print */ | |
1660 | MSG("Domains:\n-------------"); | |
1661 | if (count == 0) { | |
1662 | MSG(" None"); | |
1663 | goto end; | |
1664 | } | |
1665 | ||
1666 | for (i = 0; i < count; i++) { | |
1667 | switch (domains[i].type) { | |
1668 | case LTTNG_DOMAIN_KERNEL: | |
1669 | MSG(" - Kernel"); | |
1670 | break; | |
1671 | case LTTNG_DOMAIN_UST: | |
1672 | MSG(" - UST global"); | |
1673 | break; | |
1674 | case LTTNG_DOMAIN_JUL: | |
1675 | MSG(" - JUL (Java Util Logging)"); | |
1676 | break; | |
5cdb6027 DG |
1677 | case LTTNG_DOMAIN_LOG4J: |
1678 | MSG(" - LOG4j (Logging for Java)"); | |
1679 | break; | |
0e115563 DG |
1680 | case LTTNG_DOMAIN_PYTHON: |
1681 | MSG(" - Python (logging)"); | |
1682 | break; | |
fb14d0d8 JR |
1683 | default: |
1684 | break; | |
1685 | } | |
9f19cc17 DG |
1686 | } |
1687 | } | |
1688 | ||
fb14d0d8 | 1689 | error: |
9f19cc17 DG |
1690 | free(domains); |
1691 | ||
fb14d0d8 | 1692 | end: |
9f19cc17 | 1693 | return ret; |
f3ed775e | 1694 | } |
f3ed775e DG |
1695 | |
1696 | /* | |
9f19cc17 | 1697 | * The 'list <options>' first level command |
f3ed775e DG |
1698 | */ |
1699 | int cmd_list(int argc, const char **argv) | |
1700 | { | |
c617c0c6 | 1701 | int opt, ret = CMD_SUCCESS; |
9f19cc17 | 1702 | const char *session_name; |
f3ed775e | 1703 | static poptContext pc; |
9f19cc17 DG |
1704 | struct lttng_domain domain; |
1705 | struct lttng_domain *domains = NULL; | |
f3ed775e | 1706 | |
441c16a7 MD |
1707 | memset(&domain, 0, sizeof(domain)); |
1708 | ||
9f19cc17 | 1709 | if (argc < 1) { |
f3ed775e | 1710 | usage(stderr); |
ca1c3607 | 1711 | ret = CMD_ERROR; |
f3ed775e DG |
1712 | goto end; |
1713 | } | |
1714 | ||
1715 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
1716 | poptReadDefaultConfig(pc, 0); | |
1717 | ||
1718 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
1719 | switch (opt) { | |
1720 | case OPT_HELP: | |
ca1c3607 | 1721 | usage(stdout); |
f3ed775e | 1722 | goto end; |
eeac7d46 MD |
1723 | case OPT_USERSPACE: |
1724 | opt_userspace = 1; | |
eeac7d46 | 1725 | break; |
679b4943 SM |
1726 | case OPT_LIST_OPTIONS: |
1727 | list_cmd_options(stdout, long_options); | |
679b4943 | 1728 | goto end; |
f3ed775e DG |
1729 | default: |
1730 | usage(stderr); | |
1731 | ret = CMD_UNDEFINED; | |
1732 | goto end; | |
1733 | } | |
1734 | } | |
1735 | ||
fb14d0d8 JR |
1736 | /* Mi check */ |
1737 | if (lttng_opt_mi) { | |
1738 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
1739 | if (!writer) { | |
1740 | ret = CMD_ERROR; | |
1741 | goto end; | |
1742 | } | |
1743 | ||
1744 | /* Open command element */ | |
1745 | ret = mi_lttng_writer_command_open(writer, | |
1746 | mi_lttng_element_command_list); | |
1747 | if (ret) { | |
1748 | ret = CMD_ERROR; | |
1749 | goto end; | |
1750 | } | |
1751 | ||
1752 | /* Open output element */ | |
1753 | ret = mi_lttng_writer_open_element(writer, | |
1754 | mi_lttng_element_command_output); | |
1755 | if (ret) { | |
1756 | ret = CMD_ERROR; | |
1757 | goto end; | |
1758 | } | |
1759 | } | |
1760 | ||
9f19cc17 DG |
1761 | /* Get session name (trailing argument) */ |
1762 | session_name = poptGetArg(pc); | |
b551a063 | 1763 | DBG2("Session name: %s", session_name); |
9f19cc17 | 1764 | |
cd80958d DG |
1765 | if (opt_kernel) { |
1766 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
1767 | } else if (opt_userspace) { |
1768 | DBG2("Listing userspace global domain"); | |
1769 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
1770 | } else if (opt_jul) { |
1771 | DBG2("Listing JUL domain"); | |
1772 | domain.type = LTTNG_DOMAIN_JUL; | |
edf60534 | 1773 | } else if (opt_log4j) { |
5cdb6027 | 1774 | domain.type = LTTNG_DOMAIN_LOG4J; |
0e115563 DG |
1775 | } else if (opt_python) { |
1776 | domain.type = LTTNG_DOMAIN_PYTHON; | |
cd80958d DG |
1777 | } |
1778 | ||
834978fd DG |
1779 | if (!opt_kernel && opt_syscall) { |
1780 | WARN("--syscall will only work with the Kernel domain (-k)"); | |
1781 | ret = CMD_ERROR; | |
1782 | goto end; | |
1783 | } | |
1784 | ||
0e115563 | 1785 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_python) { |
aa5de748 MD |
1786 | handle = lttng_create_handle(session_name, &domain); |
1787 | if (handle == NULL) { | |
1788 | ret = CMD_FATAL; | |
1789 | goto end; | |
1790 | } | |
cd80958d DG |
1791 | } |
1792 | ||
9f19cc17 | 1793 | if (session_name == NULL) { |
0e115563 DG |
1794 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j |
1795 | && !opt_python) { | |
b551a063 | 1796 | ret = list_sessions(NULL); |
fb14d0d8 | 1797 | if (ret) { |
b551a063 DG |
1798 | goto end; |
1799 | } | |
1800 | } | |
9f19cc17 | 1801 | if (opt_kernel) { |
834978fd DG |
1802 | if (opt_syscall) { |
1803 | ret = list_syscalls(); | |
1804 | if (ret) { | |
1805 | goto end; | |
1806 | } | |
1807 | } else { | |
1808 | ret = list_kernel_events(); | |
1809 | if (ret) { | |
1810 | goto end; | |
1811 | } | |
9f19cc17 | 1812 | } |
b551a063 DG |
1813 | } |
1814 | if (opt_userspace) { | |
f37d259d MD |
1815 | if (opt_fields) { |
1816 | ret = list_ust_event_fields(); | |
1817 | } else { | |
1818 | ret = list_ust_events(); | |
1819 | } | |
fb14d0d8 | 1820 | if (ret) { |
9f19cc17 DG |
1821 | goto end; |
1822 | } | |
1823 | } | |
0e115563 | 1824 | if (opt_jul || opt_log4j || opt_python) { |
5cdb6027 | 1825 | ret = list_agent_events(); |
fb14d0d8 | 1826 | if (ret) { |
3c6a091f DG |
1827 | goto end; |
1828 | } | |
1829 | } | |
9f19cc17 DG |
1830 | } else { |
1831 | /* List session attributes */ | |
fb14d0d8 JR |
1832 | if (lttng_opt_mi) { |
1833 | /* Open element sessions | |
1834 | * Present for xml consistency */ | |
1835 | ret = mi_lttng_sessions_open(writer); | |
1836 | if (ret) { | |
1837 | goto end; | |
1838 | } | |
1839 | } | |
1840 | /* MI: the ouptut of list_sessions is an unclosed session element */ | |
9f19cc17 | 1841 | ret = list_sessions(session_name); |
fb14d0d8 | 1842 | if (ret) { |
9f19cc17 DG |
1843 | goto end; |
1844 | } | |
1845 | ||
1846 | /* Domain listing */ | |
1847 | if (opt_domain) { | |
330be774 | 1848 | ret = list_domains(session_name); |
9f19cc17 DG |
1849 | goto end; |
1850 | } | |
1851 | ||
fb14d0d8 | 1852 | /* Channel listing */ |
1c3de747 | 1853 | if (opt_kernel || opt_userspace) { |
fb14d0d8 JR |
1854 | if (lttng_opt_mi) { |
1855 | /* Add of domains and domain element for xml | |
1856 | * consistency and validation | |
1857 | */ | |
1858 | ret = mi_lttng_domains_open(writer); | |
1859 | if (ret) { | |
1860 | goto end; | |
1861 | } | |
1862 | ||
1863 | /* Open domain and leave it open for | |
1864 | * nested channels printing */ | |
1865 | ret = mi_lttng_domain(writer, &domain, 1); | |
1866 | if (ret) { | |
1867 | goto end; | |
1868 | } | |
1869 | ||
1870 | } | |
1871 | ||
ebbf5ab7 JR |
1872 | |
1873 | /* Trackers */ | |
1874 | ret = list_trackers(); | |
a5dfbb9d MD |
1875 | if (ret) { |
1876 | goto end; | |
1877 | } | |
1878 | ||
ebbf5ab7 | 1879 | /* Channels */ |
cd80958d | 1880 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
1881 | if (ret) { |
1882 | goto end; | |
1883 | } | |
1884 | ||
1885 | if (lttng_opt_mi) { | |
1886 | /* Close domain and domain element */ | |
1887 | ret = mi_lttng_close_multi_element(writer, 2); | |
1888 | } | |
1889 | if (ret) { | |
9f19cc17 DG |
1890 | goto end; |
1891 | } | |
fb14d0d8 JR |
1892 | |
1893 | ||
9f19cc17 | 1894 | } else { |
c617c0c6 MD |
1895 | int i, nb_domain; |
1896 | ||
9f19cc17 | 1897 | /* We want all domain(s) */ |
330be774 | 1898 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 1899 | if (nb_domain < 0) { |
fb14d0d8 JR |
1900 | ret = CMD_ERROR; |
1901 | ERR("%s", lttng_strerror(nb_domain)); | |
9f19cc17 DG |
1902 | goto end; |
1903 | } | |
1904 | ||
fb14d0d8 JR |
1905 | if (lttng_opt_mi) { |
1906 | ret = mi_lttng_domains_open(writer); | |
1907 | if (ret) { | |
1908 | ret = CMD_ERROR; | |
1909 | goto end; | |
1910 | } | |
1911 | } | |
1912 | ||
b551a063 | 1913 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
1914 | switch (domains[i].type) { |
1915 | case LTTNG_DOMAIN_KERNEL: | |
1916 | MSG("=== Domain: Kernel ===\n"); | |
1917 | break; | |
b551a063 DG |
1918 | case LTTNG_DOMAIN_UST: |
1919 | MSG("=== Domain: UST global ===\n"); | |
88c5f0d8 DG |
1920 | MSG("Buffer type: %s\n", |
1921 | domains[i].buf_type == | |
1922 | LTTNG_BUFFER_PER_PID ? "per PID" : "per UID"); | |
b551a063 | 1923 | break; |
3c6a091f DG |
1924 | case LTTNG_DOMAIN_JUL: |
1925 | MSG("=== Domain: JUL (Java Util Logging) ===\n"); | |
1926 | break; | |
5cdb6027 DG |
1927 | case LTTNG_DOMAIN_LOG4J: |
1928 | MSG("=== Domain: LOG4j (Logging for Java) ===\n"); | |
1929 | break; | |
0e115563 DG |
1930 | case LTTNG_DOMAIN_PYTHON: |
1931 | MSG("=== Domain: Python (logging) ===\n"); | |
1932 | break; | |
9f19cc17 DG |
1933 | default: |
1934 | MSG("=== Domain: Unimplemented ===\n"); | |
1935 | break; | |
1936 | } | |
1937 | ||
fb14d0d8 JR |
1938 | if (lttng_opt_mi) { |
1939 | ret = mi_lttng_domain(writer, &domains[i], 1); | |
1940 | if (ret) { | |
1941 | ret = CMD_ERROR; | |
1942 | goto end; | |
1943 | } | |
1944 | } | |
1945 | ||
cd80958d | 1946 | /* Clean handle before creating a new one */ |
aa5de748 MD |
1947 | if (handle) { |
1948 | lttng_destroy_handle(handle); | |
1949 | } | |
cd80958d DG |
1950 | |
1951 | handle = lttng_create_handle(session_name, &domains[i]); | |
1952 | if (handle == NULL) { | |
ca1c3607 | 1953 | ret = CMD_FATAL; |
cd80958d DG |
1954 | goto end; |
1955 | } | |
1956 | ||
5cdb6027 | 1957 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
0e115563 DG |
1958 | domains[i].type == LTTNG_DOMAIN_LOG4J || |
1959 | domains[i].type == LTTNG_DOMAIN_PYTHON) { | |
5cdb6027 | 1960 | ret = list_session_agent_events(); |
fb14d0d8 | 1961 | if (ret) { |
3c6a091f DG |
1962 | goto end; |
1963 | } | |
cd7b2927 PP |
1964 | |
1965 | goto next_domain; | |
3c6a091f | 1966 | } |
a5dfbb9d MD |
1967 | |
1968 | switch (domains[i].type) { | |
1969 | case LTTNG_DOMAIN_KERNEL: | |
1970 | case LTTNG_DOMAIN_UST: | |
ebbf5ab7 | 1971 | ret = list_trackers(); |
a5dfbb9d MD |
1972 | if (ret) { |
1973 | goto end; | |
1974 | } | |
1975 | break; | |
1976 | default: | |
1977 | break; | |
1978 | } | |
3c6a091f | 1979 | |
cd80958d | 1980 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
1981 | if (ret) { |
1982 | goto end; | |
1983 | } | |
1984 | ||
cd7b2927 | 1985 | next_domain: |
fb14d0d8 JR |
1986 | if (lttng_opt_mi) { |
1987 | /* Close domain element */ | |
1988 | ret = mi_lttng_writer_close_element(writer); | |
1989 | if (ret) { | |
1990 | ret = CMD_ERROR; | |
1991 | goto end; | |
1992 | } | |
1993 | } | |
1994 | ||
1995 | } | |
1996 | if (lttng_opt_mi) { | |
1997 | /* Close the domains, session and sessions element */ | |
1998 | ret = mi_lttng_close_multi_element(writer, 3); | |
1999 | if (ret) { | |
2000 | ret = CMD_ERROR; | |
9f19cc17 DG |
2001 | goto end; |
2002 | } | |
2003 | } | |
2004 | } | |
f3ed775e DG |
2005 | } |
2006 | ||
fb14d0d8 JR |
2007 | /* Mi closing */ |
2008 | if (lttng_opt_mi) { | |
2009 | /* Close output element */ | |
2010 | ret = mi_lttng_writer_close_element(writer); | |
2011 | if (ret) { | |
2012 | ret = CMD_ERROR; | |
2013 | goto end; | |
2014 | } | |
2015 | ||
2016 | /* Command element close */ | |
2017 | ret = mi_lttng_writer_command_close(writer); | |
2018 | if (ret) { | |
2019 | ret = CMD_ERROR; | |
2020 | goto end; | |
2021 | } | |
2022 | } | |
f3ed775e | 2023 | end: |
fb14d0d8 JR |
2024 | /* Mi clean-up */ |
2025 | if (writer && mi_lttng_writer_destroy(writer)) { | |
2026 | /* Preserve original error code */ | |
2027 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
2028 | } | |
2029 | ||
0e428499 | 2030 | free(domains); |
aa5de748 MD |
2031 | if (handle) { |
2032 | lttng_destroy_handle(handle); | |
2033 | } | |
cd80958d | 2034 | |
ca1c3607 | 2035 | poptFreeContext(pc); |
f3ed775e DG |
2036 | return ret; |
2037 | } |