Commit | Line | Data |
---|---|---|
f3ed775e | 1 | /* |
a4eb26f0 | 2 | * Copyright (C) 2011 EfficiOS Inc. |
f953b297 | 3 | * Copyright (C) 2020 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
f3ed775e | 4 | * |
ab5be9fa | 5 | * SPDX-License-Identifier: GPL-2.0-only |
f3ed775e | 6 | * |
f3ed775e DG |
7 | */ |
8 | ||
f953b297 | 9 | #include <stdint.h> |
6c1c0768 | 10 | #define _LGPL_SOURCE |
9f19cc17 | 11 | #include <inttypes.h> |
f3ed775e DG |
12 | #include <popt.h> |
13 | #include <stdio.h> | |
14 | #include <stdlib.h> | |
15 | #include <string.h> | |
7a3d1328 | 16 | #include <assert.h> |
f3ed775e | 17 | |
fb14d0d8 | 18 | #include <common/mi-lttng.h> |
5b89fc92 | 19 | #include <common/time.h> |
f953b297 | 20 | #include <common/tracker.h> |
fae9a062 | 21 | #include <lttng/constant.h> |
2d97a006 | 22 | #include <lttng/tracker.h> |
fb14d0d8 | 23 | |
c399183f | 24 | #include "../command.h" |
f3ed775e | 25 | |
9f19cc17 DG |
26 | static int opt_userspace; |
27 | static int opt_kernel; | |
3c6a091f | 28 | static int opt_jul; |
5cdb6027 | 29 | static int opt_log4j; |
0e115563 | 30 | static int opt_python; |
9f19cc17 DG |
31 | static char *opt_channel; |
32 | static int opt_domain; | |
f37d259d | 33 | static int opt_fields; |
834978fd | 34 | static int opt_syscall; |
9f19cc17 DG |
35 | |
36 | const char *indent4 = " "; | |
37 | const char *indent6 = " "; | |
38 | const char *indent8 = " "; | |
f3ed775e | 39 | |
4fc83d94 PP |
40 | #ifdef LTTNG_EMBED_HELP |
41 | static const char help_msg[] = | |
42 | #include <lttng-list.1.h> | |
43 | ; | |
44 | #endif | |
45 | ||
f3ed775e DG |
46 | enum { |
47 | OPT_HELP = 1, | |
eeac7d46 | 48 | OPT_USERSPACE, |
679b4943 | 49 | OPT_LIST_OPTIONS, |
f3ed775e DG |
50 | }; |
51 | ||
cd80958d | 52 | static struct lttng_handle *handle; |
fb14d0d8 | 53 | static struct mi_writer *writer; |
cd80958d | 54 | |
e50e81d3 JG |
55 | /* Only set when listing a single session. */ |
56 | static struct lttng_session listed_session; | |
57 | ||
f3ed775e DG |
58 | static struct poptOption long_options[] = { |
59 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
2fa605f7 JG |
60 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, |
61 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, | |
62 | {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0}, | |
63 | {"log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0}, | |
64 | {"python", 'p', POPT_ARG_VAL, &opt_python, 1, 0, 0}, | |
65 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, | |
66 | {"channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0}, | |
67 | {"domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0}, | |
68 | {"fields", 'f', POPT_ARG_VAL, &opt_fields, 1, 0, 0}, | |
69 | {"syscall", 'S', POPT_ARG_VAL, &opt_syscall, 1, 0, 0}, | |
679b4943 | 70 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
f3ed775e DG |
71 | {0, 0, 0, 0, 0, 0, 0} |
72 | }; | |
73 | ||
f3ed775e | 74 | /* |
9f19cc17 | 75 | * Get command line from /proc for a specific pid. |
f3ed775e | 76 | * |
9f19cc17 DG |
77 | * On success, return an allocated string pointer to the proc cmdline. |
78 | * On error, return NULL. | |
f3ed775e DG |
79 | */ |
80 | static char *get_cmdline_by_pid(pid_t pid) | |
81 | { | |
82 | int ret; | |
1ad31aec | 83 | FILE *fp = NULL; |
f3ed775e | 84 | char *cmdline = NULL; |
fae9a062 JG |
85 | /* Can't go bigger than /proc/LTTNG_MAX_PID/cmdline */ |
86 | char path[sizeof("/proc//cmdline") + sizeof(LTTNG_MAX_PID_STR) - 1]; | |
f3ed775e DG |
87 | |
88 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); | |
89 | fp = fopen(path, "r"); | |
90 | if (fp == NULL) { | |
91 | goto end; | |
92 | } | |
93 | ||
94 | /* Caller must free() *cmdline */ | |
63a2c1bd | 95 | cmdline = zmalloc(PATH_MAX); |
f6962219 | 96 | if (!cmdline) { |
6f04ed72 | 97 | PERROR("malloc cmdline"); |
f6962219 JG |
98 | goto end; |
99 | } | |
f3ed775e | 100 | ret = fread(cmdline, 1, PATH_MAX, fp); |
f40799e8 | 101 | if (ret < 0) { |
6f04ed72 | 102 | PERROR("fread proc list"); |
f40799e8 | 103 | } |
f3ed775e DG |
104 | |
105 | end: | |
1ad31aec DG |
106 | if (fp) { |
107 | fclose(fp); | |
108 | } | |
f3ed775e DG |
109 | return cmdline; |
110 | } | |
b551a063 | 111 | |
464dd62d MD |
112 | static |
113 | const char *active_string(int value) | |
114 | { | |
115 | switch (value) { | |
2cbf8fed DG |
116 | case 0: return "inactive"; |
117 | case 1: return "active"; | |
464dd62d MD |
118 | case -1: return ""; |
119 | default: return NULL; | |
120 | } | |
121 | } | |
122 | ||
2cbf8fed DG |
123 | static const char *snapshot_string(int value) |
124 | { | |
125 | switch (value) { | |
126 | case 1: | |
127 | return " snapshot"; | |
128 | default: | |
129 | return ""; | |
130 | } | |
131 | } | |
132 | ||
464dd62d MD |
133 | static |
134 | const char *enabled_string(int value) | |
135 | { | |
136 | switch (value) { | |
b09f0429 MD |
137 | case 0: return " [disabled]"; |
138 | case 1: return " [enabled]"; | |
464dd62d MD |
139 | case -1: return ""; |
140 | default: return NULL; | |
141 | } | |
142 | } | |
143 | ||
fceb65df | 144 | static |
7b4a95b1 | 145 | const char *safe_string(const char *str) |
fceb65df | 146 | { |
7b4a95b1 | 147 | return str ? str : ""; |
4634f12e JI |
148 | } |
149 | ||
1f0e17de DG |
150 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
151 | { | |
152 | switch (value) { | |
af6bce80 DG |
153 | case LTTNG_EVENT_LOGLEVEL_ALL: |
154 | return ":"; | |
1f0e17de | 155 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
af6bce80 | 156 | return " <="; |
1f0e17de | 157 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
af6bce80 | 158 | return " =="; |
1f0e17de | 159 | default: |
af6bce80 | 160 | return " <<TYPE UNKN>>"; |
1f0e17de DG |
161 | } |
162 | } | |
163 | ||
834978fd DG |
164 | static const char *bitness_event(enum lttng_event_flag flags) |
165 | { | |
166 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_32) { | |
167 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
168 | return " [32/64-bit]"; | |
169 | } else { | |
170 | return " [32-bit]"; | |
171 | } | |
172 | } else if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
173 | return " [64-bit]"; | |
174 | } else { | |
175 | return ""; | |
176 | } | |
177 | } | |
178 | ||
7b4a95b1 PP |
179 | /* |
180 | * Get exclusion names message for a single event. | |
181 | * | |
182 | * Returned pointer must be freed by caller. Returns NULL on error. | |
183 | */ | |
184 | static char *get_exclusion_names_msg(struct lttng_event *event) | |
185 | { | |
186 | int ret; | |
187 | int exclusion_count; | |
188 | char *exclusion_msg = NULL; | |
189 | char *at; | |
7b4a95b1 PP |
190 | size_t i; |
191 | const char * const exclusion_fmt = " [exclusions: "; | |
19ed7632 | 192 | const size_t exclusion_fmt_len = strlen(exclusion_fmt); |
7b4a95b1 PP |
193 | |
194 | exclusion_count = lttng_event_get_exclusion_name_count(event); | |
195 | if (exclusion_count < 0) { | |
196 | goto end; | |
197 | } else if (exclusion_count == 0) { | |
198 | /* | |
199 | * No exclusions: return copy of empty string so that | |
200 | * it can be freed by caller. | |
201 | */ | |
202 | exclusion_msg = strdup(""); | |
203 | goto end; | |
204 | } | |
205 | ||
206 | /* | |
207 | * exclusion_msg's size is bounded by the exclusion_fmt string, | |
208 | * a comma per entry, the entry count (fixed-size), a closing | |
209 | * bracket, and a trailing \0. | |
210 | */ | |
211 | exclusion_msg = malloc(exclusion_count + | |
212 | exclusion_count * LTTNG_SYMBOL_NAME_LEN + | |
19ed7632 | 213 | exclusion_fmt_len + 1); |
7b4a95b1 PP |
214 | if (!exclusion_msg) { |
215 | goto end; | |
216 | } | |
217 | ||
19ed7632 | 218 | at = strcpy(exclusion_msg, exclusion_fmt) + exclusion_fmt_len; |
7b4a95b1 PP |
219 | for (i = 0; i < exclusion_count; ++i) { |
220 | const char *name; | |
221 | ||
222 | /* Append comma between exclusion names */ | |
223 | if (i > 0) { | |
224 | *at = ','; | |
225 | at++; | |
226 | } | |
227 | ||
228 | ret = lttng_event_get_exclusion_name(event, i, &name); | |
229 | if (ret) { | |
230 | /* Prints '?' on local error; should never happen */ | |
231 | *at = '?'; | |
232 | at++; | |
233 | continue; | |
234 | } | |
235 | ||
236 | /* Append exclusion name */ | |
31e40170 | 237 | at += sprintf(at, "%s", name); |
7b4a95b1 PP |
238 | } |
239 | ||
240 | /* This also puts a final '\0' at the end of exclusion_msg */ | |
19ed7632 | 241 | strcpy(at, "]"); |
7b4a95b1 PP |
242 | |
243 | end: | |
244 | return exclusion_msg; | |
245 | } | |
246 | ||
b955b4d4 FD |
247 | static void print_userspace_probe_location(struct lttng_event *event) |
248 | { | |
87597c2c JG |
249 | const struct lttng_userspace_probe_location *location; |
250 | const struct lttng_userspace_probe_location_lookup_method *lookup_method; | |
b955b4d4 FD |
251 | enum lttng_userspace_probe_location_lookup_method_type lookup_type; |
252 | ||
253 | location = lttng_event_get_userspace_probe_location(event); | |
254 | if (!location) { | |
255 | MSG("Event has no userspace probe location"); | |
256 | return; | |
257 | } | |
258 | ||
259 | lookup_method = lttng_userspace_probe_location_get_lookup_method(location); | |
260 | if (!lookup_method) { | |
261 | MSG("Event has no userspace probe location lookup method"); | |
262 | return; | |
263 | } | |
264 | ||
265 | MSG("%s%s (type: userspace-probe)%s", indent6, event->name, enabled_string(event->enabled)); | |
266 | ||
267 | lookup_type = lttng_userspace_probe_location_lookup_method_get_type(lookup_method); | |
268 | ||
269 | switch (lttng_userspace_probe_location_get_type(location)) { | |
270 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_UNKNOWN: | |
271 | MSG("%sType: Unknown", indent8); | |
272 | break; | |
273 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION: | |
274 | { | |
275 | const char *function_name; | |
1ab8cc54 | 276 | char *binary_path; |
b955b4d4 FD |
277 | |
278 | MSG("%sType: Function", indent8); | |
279 | function_name = lttng_userspace_probe_location_function_get_function_name(location); | |
280 | binary_path = realpath(lttng_userspace_probe_location_function_get_binary_path(location), NULL); | |
281 | ||
282 | MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL"); | |
283 | MSG("%sFunction: %s()", indent8, function_name ? function_name : "NULL"); | |
284 | switch (lookup_type) { | |
285 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF: | |
286 | MSG("%sLookup method: ELF", indent8); | |
287 | break; | |
288 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_DEFAULT: | |
289 | MSG("%sLookup method: default", indent8); | |
290 | break; | |
291 | default: | |
292 | MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8); | |
293 | break; | |
294 | } | |
1ab8cc54 JG |
295 | |
296 | free(binary_path); | |
b955b4d4 FD |
297 | break; |
298 | } | |
299 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT: | |
300 | { | |
301 | const char *probe_name, *provider_name; | |
1ab8cc54 | 302 | char *binary_path; |
b955b4d4 FD |
303 | |
304 | MSG("%sType: Tracepoint", indent8); | |
305 | probe_name = lttng_userspace_probe_location_tracepoint_get_probe_name(location); | |
306 | provider_name = lttng_userspace_probe_location_tracepoint_get_provider_name(location); | |
307 | binary_path = realpath(lttng_userspace_probe_location_tracepoint_get_binary_path(location), NULL); | |
308 | MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL"); | |
309 | MSG("%sTracepoint: %s:%s", indent8, provider_name ? provider_name : "NULL", probe_name ? probe_name : "NULL"); | |
310 | switch (lookup_type) { | |
311 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_TRACEPOINT_SDT: | |
312 | MSG("%sLookup method: SDT", indent8); | |
313 | break; | |
314 | default: | |
315 | MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8); | |
316 | break; | |
317 | } | |
1ab8cc54 JG |
318 | |
319 | free(binary_path); | |
b955b4d4 FD |
320 | break; |
321 | } | |
322 | default: | |
323 | ERR("Invalid probe type encountered"); | |
324 | } | |
325 | } | |
326 | ||
b551a063 DG |
327 | /* |
328 | * Pretty print single event. | |
329 | */ | |
330 | static void print_events(struct lttng_event *event) | |
331 | { | |
4adbcc72 PP |
332 | int ret; |
333 | const char *filter_str; | |
334 | char *filter_msg = NULL; | |
7b4a95b1 | 335 | char *exclusion_msg = NULL; |
4adbcc72 | 336 | |
134e72ed | 337 | ret = lttng_event_get_filter_expression(event, &filter_str); |
4adbcc72 PP |
338 | |
339 | if (ret) { | |
340 | filter_msg = strdup(" [failed to retrieve filter]"); | |
341 | } else if (filter_str) { | |
342 | const char * const filter_fmt = " [filter: '%s']"; | |
343 | ||
344 | filter_msg = malloc(strlen(filter_str) + | |
345 | strlen(filter_fmt) + 1); | |
346 | if (filter_msg) { | |
347 | sprintf(filter_msg, filter_fmt, | |
348 | filter_str); | |
349 | } | |
350 | } | |
351 | ||
7b4a95b1 PP |
352 | exclusion_msg = get_exclusion_names_msg(event); |
353 | if (!exclusion_msg) { | |
354 | exclusion_msg = strdup(" [failed to retrieve exclusions]"); | |
355 | } | |
356 | ||
b551a063 DG |
357 | switch (event->type) { |
358 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 359 | { |
8b703175 | 360 | if (event->loglevel != -1) { |
af6bce80 | 361 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
8b703175 | 362 | indent6, |
81afa345 | 363 | event->name, |
1f0e17de | 364 | logleveltype_string(event->loglevel_type), |
970d848b | 365 | mi_lttng_loglevel_string(event->loglevel, handle->domain.type), |
8b703175 | 366 | event->loglevel, |
fceb65df | 367 | enabled_string(event->enabled), |
7b4a95b1 PP |
368 | safe_string(exclusion_msg), |
369 | safe_string(filter_msg)); | |
8b703175 | 370 | } else { |
4634f12e | 371 | MSG("%s%s (type: tracepoint)%s%s%s", |
8b703175 MD |
372 | indent6, |
373 | event->name, | |
fceb65df | 374 | enabled_string(event->enabled), |
7b4a95b1 PP |
375 | safe_string(exclusion_msg), |
376 | safe_string(filter_msg)); | |
8b703175 | 377 | } |
b551a063 | 378 | break; |
e4baff1e | 379 | } |
1896972b DG |
380 | case LTTNG_EVENT_FUNCTION: |
381 | MSG("%s%s (type: function)%s%s", indent6, | |
382 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 383 | safe_string(filter_msg)); |
1896972b DG |
384 | if (event->attr.probe.addr != 0) { |
385 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
386 | } else { | |
387 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
388 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
389 | } | |
390 | break; | |
b551a063 | 391 | case LTTNG_EVENT_PROBE: |
fceb65df MD |
392 | MSG("%s%s (type: probe)%s%s", indent6, |
393 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 394 | safe_string(filter_msg)); |
b551a063 DG |
395 | if (event->attr.probe.addr != 0) { |
396 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
397 | } else { | |
398 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
399 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
400 | } | |
401 | break; | |
b955b4d4 FD |
402 | case LTTNG_EVENT_USERSPACE_PROBE: |
403 | print_userspace_probe_location(event); | |
404 | break; | |
b551a063 | 405 | case LTTNG_EVENT_FUNCTION_ENTRY: |
fceb65df MD |
406 | MSG("%s%s (type: function)%s%s", indent6, |
407 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 408 | safe_string(filter_msg)); |
b551a063 DG |
409 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
410 | break; | |
411 | case LTTNG_EVENT_SYSCALL: | |
2199ad66 | 412 | MSG("%s%s%s%s%s%s", indent6, event->name, |
834978fd | 413 | (opt_syscall ? "" : " (type:syscall)"), |
fceb65df | 414 | enabled_string(event->enabled), |
2199ad66 JG |
415 | bitness_event(event->flags), |
416 | safe_string(filter_msg)); | |
b551a063 DG |
417 | break; |
418 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
419 | MSG("%s (type: noop)%s%s", indent6, |
420 | enabled_string(event->enabled), | |
7b4a95b1 | 421 | safe_string(filter_msg)); |
b551a063 DG |
422 | break; |
423 | case LTTNG_EVENT_ALL: | |
410b78a0 FD |
424 | /* Fall-through. */ |
425 | default: | |
b551a063 DG |
426 | /* We should never have "all" events in list. */ |
427 | assert(0); | |
428 | break; | |
429 | } | |
4adbcc72 PP |
430 | |
431 | free(filter_msg); | |
7b4a95b1 | 432 | free(exclusion_msg); |
b551a063 DG |
433 | } |
434 | ||
f37d259d MD |
435 | static const char *field_type(struct lttng_event_field *field) |
436 | { | |
437 | switch(field->type) { | |
438 | case LTTNG_EVENT_FIELD_INTEGER: | |
439 | return "integer"; | |
440 | case LTTNG_EVENT_FIELD_ENUM: | |
441 | return "enum"; | |
442 | case LTTNG_EVENT_FIELD_FLOAT: | |
443 | return "float"; | |
444 | case LTTNG_EVENT_FIELD_STRING: | |
445 | return "string"; | |
446 | case LTTNG_EVENT_FIELD_OTHER: | |
447 | default: /* fall-through */ | |
448 | return "unknown"; | |
449 | } | |
450 | } | |
451 | ||
452 | /* | |
453 | * Pretty print single event fields. | |
454 | */ | |
455 | static void print_event_field(struct lttng_event_field *field) | |
456 | { | |
457 | if (!field->field_name[0]) { | |
458 | return; | |
459 | } | |
d8fbe2a9 | 460 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 461 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
462 | } |
463 | ||
fb14d0d8 JR |
464 | /* |
465 | * Machine interface | |
466 | * Jul and ust event listing | |
467 | */ | |
5cdb6027 | 468 | static int mi_list_agent_ust_events(struct lttng_event *events, int count, |
fb14d0d8 JR |
469 | struct lttng_domain *domain) |
470 | { | |
471 | int ret, i; | |
472 | pid_t cur_pid = 0; | |
473 | char *cmdline = NULL; | |
474 | int pid_element_open = 0; | |
475 | ||
476 | /* Open domains element */ | |
477 | ret = mi_lttng_domains_open(writer); | |
478 | if (ret) { | |
479 | goto end; | |
480 | } | |
481 | ||
482 | /* Write domain */ | |
483 | ret = mi_lttng_domain(writer, domain, 1); | |
484 | if (ret) { | |
485 | goto end; | |
486 | } | |
487 | ||
bf239d4c JR |
488 | /* Open pids element element */ |
489 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
490 | if (ret) { |
491 | goto end; | |
492 | } | |
493 | ||
494 | for (i = 0; i < count; i++) { | |
495 | if (cur_pid != events[i].pid) { | |
496 | if (pid_element_open) { | |
2e9aecb9 | 497 | /* Close the previous events and pid element */ |
fb14d0d8 JR |
498 | ret = mi_lttng_close_multi_element(writer, 2); |
499 | if (ret) { | |
500 | goto end; | |
501 | } | |
502 | pid_element_open = 0; | |
503 | } | |
504 | ||
505 | cur_pid = events[i].pid; | |
506 | cmdline = get_cmdline_by_pid(cur_pid); | |
507 | if (!cmdline) { | |
508 | ret = CMD_ERROR; | |
509 | goto end; | |
510 | } | |
511 | ||
512 | if (!pid_element_open) { | |
513 | /* Open and write a pid element */ | |
bf239d4c | 514 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); |
fb14d0d8 JR |
515 | if (ret) { |
516 | goto error; | |
517 | } | |
518 | ||
519 | /* Open events element */ | |
520 | ret = mi_lttng_events_open(writer); | |
521 | if (ret) { | |
522 | goto error; | |
523 | } | |
524 | ||
525 | pid_element_open = 1; | |
526 | } | |
527 | free(cmdline); | |
528 | } | |
529 | ||
530 | /* Write an event */ | |
970d848b | 531 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
532 | if (ret) { |
533 | goto end; | |
534 | } | |
535 | } | |
536 | ||
bf239d4c | 537 | /* Close pids */ |
fb14d0d8 JR |
538 | ret = mi_lttng_writer_close_element(writer); |
539 | if (ret) { | |
540 | goto end; | |
541 | } | |
542 | ||
543 | /* Close domain, domains */ | |
544 | ret = mi_lttng_close_multi_element(writer, 2); | |
545 | end: | |
546 | return ret; | |
547 | error: | |
548 | free(cmdline); | |
549 | return ret; | |
550 | } | |
551 | ||
5cdb6027 | 552 | static int list_agent_events(void) |
3c6a091f | 553 | { |
fb14d0d8 | 554 | int i, size, ret = CMD_SUCCESS; |
3c6a091f | 555 | struct lttng_domain domain; |
26c610c9 | 556 | struct lttng_handle *handle = NULL; |
469b972b | 557 | struct lttng_event *event_list = NULL; |
3c6a091f DG |
558 | pid_t cur_pid = 0; |
559 | char *cmdline = NULL; | |
5cdb6027 | 560 | const char *agent_domain_str; |
3c6a091f DG |
561 | |
562 | memset(&domain, 0, sizeof(domain)); | |
5cdb6027 DG |
563 | if (opt_jul) { |
564 | domain.type = LTTNG_DOMAIN_JUL; | |
565 | } else if (opt_log4j) { | |
566 | domain.type = LTTNG_DOMAIN_LOG4J; | |
0e115563 DG |
567 | } else if (opt_python) { |
568 | domain.type = LTTNG_DOMAIN_PYTHON; | |
26c610c9 JG |
569 | } else { |
570 | ERR("Invalid agent domain selected."); | |
571 | ret = CMD_ERROR; | |
572 | goto error; | |
5cdb6027 DG |
573 | } |
574 | ||
575 | agent_domain_str = get_domain_str(domain.type); | |
576 | ||
577 | DBG("Getting %s tracing events", agent_domain_str); | |
3c6a091f DG |
578 | |
579 | handle = lttng_create_handle(NULL, &domain); | |
580 | if (handle == NULL) { | |
fb14d0d8 JR |
581 | ret = CMD_ERROR; |
582 | goto end; | |
3c6a091f DG |
583 | } |
584 | ||
585 | size = lttng_list_tracepoints(handle, &event_list); | |
586 | if (size < 0) { | |
5cdb6027 DG |
587 | ERR("Unable to list %s events: %s", agent_domain_str, |
588 | lttng_strerror(size)); | |
fb14d0d8 JR |
589 | ret = CMD_ERROR; |
590 | goto end; | |
3c6a091f DG |
591 | } |
592 | ||
fb14d0d8 JR |
593 | if (lttng_opt_mi) { |
594 | /* Mi print */ | |
5cdb6027 | 595 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
596 | if (ret) { |
597 | ret = CMD_ERROR; | |
598 | goto error; | |
3c6a091f | 599 | } |
fb14d0d8 JR |
600 | } else { |
601 | /* Pretty print */ | |
5cdb6027 DG |
602 | MSG("%s events (Logger name):\n-------------------------", |
603 | agent_domain_str); | |
3c6a091f | 604 | |
fb14d0d8 JR |
605 | if (size == 0) { |
606 | MSG("None"); | |
607 | } | |
3c6a091f | 608 | |
fb14d0d8 JR |
609 | for (i = 0; i < size; i++) { |
610 | if (cur_pid != event_list[i].pid) { | |
611 | cur_pid = event_list[i].pid; | |
612 | cmdline = get_cmdline_by_pid(cur_pid); | |
613 | if (cmdline == NULL) { | |
614 | ret = CMD_ERROR; | |
615 | goto error; | |
616 | } | |
617 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
618 | free(cmdline); | |
619 | } | |
620 | MSG("%s- %s", indent6, event_list[i].name); | |
621 | } | |
3c6a091f | 622 | |
fb14d0d8 JR |
623 | MSG(""); |
624 | } | |
3c6a091f DG |
625 | |
626 | error: | |
fb14d0d8 JR |
627 | free(event_list); |
628 | end: | |
3c6a091f | 629 | lttng_destroy_handle(handle); |
fb14d0d8 | 630 | return ret; |
3c6a091f DG |
631 | } |
632 | ||
b551a063 DG |
633 | /* |
634 | * Ask session daemon for all user space tracepoints available. | |
635 | */ | |
636 | static int list_ust_events(void) | |
637 | { | |
fb14d0d8 | 638 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
639 | struct lttng_domain domain; |
640 | struct lttng_handle *handle; | |
bec97646 | 641 | struct lttng_event *event_list = NULL; |
b551a063 | 642 | pid_t cur_pid = 0; |
ea5cbc00 | 643 | char *cmdline = NULL; |
b551a063 | 644 | |
441c16a7 MD |
645 | memset(&domain, 0, sizeof(domain)); |
646 | ||
b551a063 DG |
647 | DBG("Getting UST tracing events"); |
648 | ||
649 | domain.type = LTTNG_DOMAIN_UST; | |
650 | ||
651 | handle = lttng_create_handle(NULL, &domain); | |
652 | if (handle == NULL) { | |
fb14d0d8 JR |
653 | ret = CMD_ERROR; |
654 | goto end; | |
b551a063 DG |
655 | } |
656 | ||
657 | size = lttng_list_tracepoints(handle, &event_list); | |
658 | if (size < 0) { | |
60e835ca | 659 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
fb14d0d8 JR |
660 | ret = CMD_ERROR; |
661 | goto error; | |
b551a063 DG |
662 | } |
663 | ||
fb14d0d8 JR |
664 | if (lttng_opt_mi) { |
665 | /* Mi print */ | |
5cdb6027 | 666 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
667 | } else { |
668 | /* Pretty print */ | |
669 | MSG("UST events:\n-------------"); | |
670 | ||
671 | if (size == 0) { | |
672 | MSG("None"); | |
673 | } | |
674 | ||
675 | for (i = 0; i < size; i++) { | |
676 | if (cur_pid != event_list[i].pid) { | |
677 | cur_pid = event_list[i].pid; | |
678 | cmdline = get_cmdline_by_pid(cur_pid); | |
679 | if (cmdline == NULL) { | |
680 | ret = CMD_ERROR; | |
681 | goto error; | |
682 | } | |
683 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
684 | free(cmdline); | |
685 | } | |
686 | print_events(&event_list[i]); | |
687 | } | |
b551a063 | 688 | |
fb14d0d8 | 689 | MSG(""); |
b551a063 DG |
690 | } |
691 | ||
fb14d0d8 JR |
692 | error: |
693 | free(event_list); | |
694 | end: | |
695 | lttng_destroy_handle(handle); | |
696 | return ret; | |
697 | } | |
698 | ||
699 | /* | |
700 | * Machine interface | |
701 | * List all ust event with their fields | |
702 | */ | |
703 | static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count, | |
704 | struct lttng_domain *domain) | |
705 | { | |
706 | int ret, i; | |
707 | pid_t cur_pid = 0; | |
708 | char *cmdline = NULL; | |
709 | int pid_element_open = 0; | |
710 | int event_element_open = 0; | |
711 | struct lttng_event cur_event; | |
712 | ||
d113fbc8 JR |
713 | memset(&cur_event, 0, sizeof(cur_event)); |
714 | ||
fb14d0d8 JR |
715 | /* Open domains element */ |
716 | ret = mi_lttng_domains_open(writer); | |
717 | if (ret) { | |
718 | goto end; | |
719 | } | |
720 | ||
721 | /* Write domain */ | |
722 | ret = mi_lttng_domain(writer, domain, 1); | |
723 | if (ret) { | |
724 | goto end; | |
725 | } | |
726 | ||
bf239d4c JR |
727 | /* Open pids element */ |
728 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
729 | if (ret) { |
730 | goto end; | |
731 | } | |
732 | ||
733 | for (i = 0; i < count; i++) { | |
734 | if (cur_pid != fields[i].event.pid) { | |
735 | if (pid_element_open) { | |
736 | if (event_element_open) { | |
485ca16f | 737 | /* Close the previous field element and event. */ |
fb14d0d8 JR |
738 | ret = mi_lttng_close_multi_element(writer, 2); |
739 | if (ret) { | |
740 | goto end; | |
741 | } | |
742 | event_element_open = 0; | |
743 | } | |
744 | /* Close the previous events, pid element */ | |
745 | ret = mi_lttng_close_multi_element(writer, 2); | |
746 | if (ret) { | |
747 | goto end; | |
748 | } | |
749 | pid_element_open = 0; | |
750 | } | |
751 | ||
752 | cur_pid = fields[i].event.pid; | |
ea5cbc00 | 753 | cmdline = get_cmdline_by_pid(cur_pid); |
fb14d0d8 | 754 | if (!pid_element_open) { |
bf239d4c JR |
755 | /* Open and write a pid element */ |
756 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); | |
fb14d0d8 JR |
757 | if (ret) { |
758 | goto error; | |
759 | } | |
760 | ||
761 | /* Open events element */ | |
762 | ret = mi_lttng_events_open(writer); | |
763 | if (ret) { | |
764 | goto error; | |
765 | } | |
766 | pid_element_open = 1; | |
767 | } | |
ea5cbc00 | 768 | free(cmdline); |
fb14d0d8 JR |
769 | /* Wipe current event since we are about to print a new PID. */ |
770 | memset(&cur_event, 0, sizeof(cur_event)); | |
b551a063 | 771 | } |
b551a063 | 772 | |
fb14d0d8 JR |
773 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
774 | if (event_element_open) { | |
775 | /* Close the previous fields element and the previous event */ | |
776 | ret = mi_lttng_close_multi_element(writer, 2); | |
777 | if (ret) { | |
778 | goto end; | |
779 | } | |
780 | event_element_open = 0; | |
781 | } | |
782 | ||
783 | memcpy(&cur_event, &fields[i].event, | |
784 | sizeof(cur_event)); | |
b551a063 | 785 | |
fb14d0d8 JR |
786 | if (!event_element_open) { |
787 | /* Open and write the event */ | |
970d848b DG |
788 | ret = mi_lttng_event(writer, &cur_event, 1, |
789 | handle->domain.type); | |
fb14d0d8 JR |
790 | if (ret) { |
791 | goto end; | |
792 | } | |
793 | ||
794 | /* Open a fields element */ | |
795 | ret = mi_lttng_event_fields_open(writer); | |
796 | if (ret) { | |
797 | goto end; | |
798 | } | |
799 | event_element_open = 1; | |
800 | } | |
801 | } | |
b551a063 | 802 | |
fb14d0d8 JR |
803 | /* Print the event_field */ |
804 | ret = mi_lttng_event_field(writer, &fields[i]); | |
805 | if (ret) { | |
806 | goto end; | |
807 | } | |
808 | } | |
b551a063 | 809 | |
83d6d6c4 | 810 | /* Close pids, domain, domains */ |
fb14d0d8 JR |
811 | ret = mi_lttng_close_multi_element(writer, 3); |
812 | end: | |
813 | return ret; | |
b551a063 | 814 | error: |
fb14d0d8 JR |
815 | free(cmdline); |
816 | return ret; | |
b551a063 | 817 | } |
f3ed775e | 818 | |
f37d259d MD |
819 | /* |
820 | * Ask session daemon for all user space tracepoint fields available. | |
821 | */ | |
822 | static int list_ust_event_fields(void) | |
823 | { | |
fb14d0d8 | 824 | int i, size, ret = CMD_SUCCESS; |
f37d259d MD |
825 | struct lttng_domain domain; |
826 | struct lttng_handle *handle; | |
827 | struct lttng_event_field *event_field_list; | |
828 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
829 | char *cmdline = NULL; |
830 | ||
f37d259d MD |
831 | struct lttng_event cur_event; |
832 | ||
833 | memset(&domain, 0, sizeof(domain)); | |
834 | memset(&cur_event, 0, sizeof(cur_event)); | |
835 | ||
836 | DBG("Getting UST tracing event fields"); | |
837 | ||
838 | domain.type = LTTNG_DOMAIN_UST; | |
839 | ||
840 | handle = lttng_create_handle(NULL, &domain); | |
841 | if (handle == NULL) { | |
fb14d0d8 JR |
842 | ret = CMD_ERROR; |
843 | goto end; | |
f37d259d MD |
844 | } |
845 | ||
846 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
847 | if (size < 0) { | |
60e835ca | 848 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
fb14d0d8 JR |
849 | ret = CMD_ERROR; |
850 | goto end; | |
f37d259d MD |
851 | } |
852 | ||
fb14d0d8 JR |
853 | if (lttng_opt_mi) { |
854 | /* Mi print */ | |
855 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); | |
856 | if (ret) { | |
857 | ret = CMD_ERROR; | |
858 | goto error; | |
859 | } | |
860 | } else { | |
861 | /* Pretty print */ | |
862 | MSG("UST events:\n-------------"); | |
f37d259d | 863 | |
fb14d0d8 JR |
864 | if (size == 0) { |
865 | MSG("None"); | |
f37d259d | 866 | } |
fb14d0d8 JR |
867 | |
868 | for (i = 0; i < size; i++) { | |
869 | if (cur_pid != event_field_list[i].event.pid) { | |
870 | cur_pid = event_field_list[i].event.pid; | |
871 | cmdline = get_cmdline_by_pid(cur_pid); | |
872 | if (cmdline == NULL) { | |
873 | ret = CMD_ERROR; | |
874 | goto error; | |
875 | } | |
876 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
877 | free(cmdline); | |
878 | /* Wipe current event since we are about to print a new PID. */ | |
879 | memset(&cur_event, 0, sizeof(cur_event)); | |
880 | } | |
881 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
882 | print_events(&event_field_list[i].event); | |
883 | memcpy(&cur_event, &event_field_list[i].event, | |
884 | sizeof(cur_event)); | |
885 | } | |
886 | print_event_field(&event_field_list[i]); | |
f37d259d | 887 | } |
f37d259d | 888 | |
fb14d0d8 JR |
889 | MSG(""); |
890 | } | |
f37d259d | 891 | |
fb14d0d8 | 892 | error: |
f37d259d | 893 | free(event_field_list); |
fb14d0d8 | 894 | end: |
f37d259d | 895 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
896 | return ret; |
897 | } | |
f37d259d | 898 | |
fb14d0d8 JR |
899 | /* |
900 | * Machine interface | |
901 | * Print a list of kernel events | |
902 | */ | |
903 | static int mi_list_kernel_events(struct lttng_event *events, int count, | |
904 | struct lttng_domain *domain) | |
905 | { | |
906 | int ret, i; | |
f37d259d | 907 | |
fb14d0d8 JR |
908 | /* Open domains element */ |
909 | ret = mi_lttng_domains_open(writer); | |
910 | if (ret) { | |
911 | goto end; | |
912 | } | |
913 | ||
914 | /* Write domain */ | |
915 | ret = mi_lttng_domain(writer, domain, 1); | |
916 | if (ret) { | |
917 | goto end; | |
918 | } | |
919 | ||
920 | /* Open events */ | |
921 | ret = mi_lttng_events_open(writer); | |
922 | if (ret) { | |
923 | goto end; | |
924 | } | |
925 | ||
926 | for (i = 0; i < count; i++) { | |
970d848b | 927 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
928 | if (ret) { |
929 | goto end; | |
930 | } | |
931 | } | |
932 | ||
933 | /* close events, domain and domains */ | |
934 | ret = mi_lttng_close_multi_element(writer, 3); | |
935 | if (ret) { | |
936 | goto end; | |
937 | } | |
938 | ||
939 | end: | |
940 | return ret; | |
f37d259d MD |
941 | } |
942 | ||
f3ed775e | 943 | /* |
fb14d0d8 | 944 | * Ask for all trace events in the kernel |
f3ed775e | 945 | */ |
9f19cc17 | 946 | static int list_kernel_events(void) |
f3ed775e | 947 | { |
fb14d0d8 | 948 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
949 | struct lttng_domain domain; |
950 | struct lttng_handle *handle; | |
9f19cc17 | 951 | struct lttng_event *event_list; |
f3ed775e | 952 | |
441c16a7 MD |
953 | memset(&domain, 0, sizeof(domain)); |
954 | ||
b551a063 DG |
955 | DBG("Getting kernel tracing events"); |
956 | ||
957 | domain.type = LTTNG_DOMAIN_KERNEL; | |
958 | ||
959 | handle = lttng_create_handle(NULL, &domain); | |
960 | if (handle == NULL) { | |
fb14d0d8 | 961 | ret = CMD_ERROR; |
b551a063 DG |
962 | goto error; |
963 | } | |
f3ed775e | 964 | |
cd80958d | 965 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 966 | if (size < 0) { |
60e835ca | 967 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 968 | lttng_destroy_handle(handle); |
fb14d0d8 | 969 | return CMD_ERROR; |
f3ed775e DG |
970 | } |
971 | ||
fb14d0d8 JR |
972 | if (lttng_opt_mi) { |
973 | /* Mi print */ | |
974 | ret = mi_list_kernel_events(event_list, size, &domain); | |
975 | if (ret) { | |
976 | ret = CMD_ERROR; | |
977 | goto end; | |
978 | } | |
979 | } else { | |
980 | MSG("Kernel events:\n-------------"); | |
f3ed775e | 981 | |
fb14d0d8 JR |
982 | for (i = 0; i < size; i++) { |
983 | print_events(&event_list[i]); | |
984 | } | |
f3ed775e | 985 | |
fb14d0d8 JR |
986 | MSG(""); |
987 | } | |
b551a063 | 988 | |
fb14d0d8 | 989 | end: |
f3ed775e DG |
990 | free(event_list); |
991 | ||
ef021732 | 992 | lttng_destroy_handle(handle); |
fb14d0d8 | 993 | return ret; |
b551a063 DG |
994 | |
995 | error: | |
ef021732 | 996 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
997 | return ret; |
998 | } | |
999 | ||
834978fd DG |
1000 | /* |
1001 | * Machine interface | |
1002 | * Print a list of system calls. | |
1003 | */ | |
1004 | static int mi_list_syscalls(struct lttng_event *events, int count) | |
1005 | { | |
1006 | int ret, i; | |
1007 | ||
1008 | /* Open events */ | |
1009 | ret = mi_lttng_events_open(writer); | |
1010 | if (ret) { | |
1011 | goto end; | |
1012 | } | |
1013 | ||
1014 | for (i = 0; i < count; i++) { | |
970d848b | 1015 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
834978fd DG |
1016 | if (ret) { |
1017 | goto end; | |
1018 | } | |
1019 | } | |
1020 | ||
1021 | /* Close events. */ | |
1022 | ret = mi_lttng_writer_close_element(writer); | |
1023 | if (ret) { | |
1024 | goto end; | |
1025 | } | |
1026 | ||
1027 | end: | |
1028 | return ret; | |
1029 | } | |
1030 | ||
1031 | /* | |
1032 | * Ask for kernel system calls. | |
1033 | */ | |
1034 | static int list_syscalls(void) | |
1035 | { | |
1036 | int i, size, ret = CMD_SUCCESS; | |
1037 | struct lttng_event *event_list; | |
1038 | ||
1039 | DBG("Getting kernel system call events"); | |
1040 | ||
1041 | size = lttng_list_syscalls(&event_list); | |
1042 | if (size < 0) { | |
1043 | ERR("Unable to list system calls: %s", lttng_strerror(size)); | |
1044 | ret = CMD_ERROR; | |
1045 | goto error; | |
1046 | } | |
1047 | ||
1048 | if (lttng_opt_mi) { | |
1049 | /* Mi print */ | |
1050 | ret = mi_list_syscalls(event_list, size); | |
1051 | if (ret) { | |
1052 | ret = CMD_ERROR; | |
1053 | goto end; | |
1054 | } | |
1055 | } else { | |
1056 | MSG("System calls:\n-------------"); | |
1057 | ||
1058 | for (i = 0; i < size; i++) { | |
1059 | print_events(&event_list[i]); | |
1060 | } | |
1061 | ||
1062 | MSG(""); | |
1063 | } | |
1064 | ||
1065 | end: | |
1066 | free(event_list); | |
1067 | return ret; | |
1068 | ||
1069 | error: | |
1070 | return ret; | |
1071 | } | |
1072 | ||
fb14d0d8 JR |
1073 | /* |
1074 | * Machine Interface | |
5cdb6027 | 1075 | * Print a list of agent events |
fb14d0d8 | 1076 | */ |
5cdb6027 | 1077 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
fb14d0d8 JR |
1078 | { |
1079 | int ret, i; | |
1080 | ||
1081 | /* Open events element */ | |
1082 | ret = mi_lttng_events_open(writer); | |
1083 | if (ret) { | |
1084 | goto end; | |
1085 | } | |
1086 | ||
1087 | for (i = 0; i < count; i++) { | |
970d848b | 1088 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1089 | if (ret) { |
1090 | goto end; | |
1091 | } | |
1092 | } | |
1093 | ||
1094 | /* Close events element */ | |
1095 | ret = mi_lttng_writer_close_element(writer); | |
1096 | ||
1097 | end: | |
1098 | return ret; | |
f3ed775e DG |
1099 | } |
1100 | ||
3c6a091f | 1101 | /* |
5cdb6027 | 1102 | * List agent events for a specific session using the handle. |
3c6a091f DG |
1103 | * |
1104 | * Return CMD_SUCCESS on success else a negative value. | |
1105 | */ | |
5cdb6027 | 1106 | static int list_session_agent_events(void) |
3c6a091f | 1107 | { |
fb14d0d8 | 1108 | int ret = CMD_SUCCESS, count, i; |
3c6a091f DG |
1109 | struct lttng_event *events = NULL; |
1110 | ||
1111 | count = lttng_list_events(handle, "", &events); | |
1112 | if (count < 0) { | |
fb14d0d8 JR |
1113 | ret = CMD_ERROR; |
1114 | ERR("%s", lttng_strerror(count)); | |
3c6a091f DG |
1115 | goto error; |
1116 | } | |
1117 | ||
fb14d0d8 JR |
1118 | if (lttng_opt_mi) { |
1119 | /* Mi print */ | |
5cdb6027 | 1120 | ret = mi_list_session_agent_events(events, count); |
fb14d0d8 JR |
1121 | if (ret) { |
1122 | ret = CMD_ERROR; | |
1123 | goto end; | |
1124 | } | |
1125 | } else { | |
1126 | /* Pretty print */ | |
1127 | MSG("Events (Logger name):\n---------------------"); | |
1128 | if (count == 0) { | |
1129 | MSG("%sNone\n", indent6); | |
1130 | goto end; | |
1131 | } | |
1132 | ||
1133 | for (i = 0; i < count; i++) { | |
9a890ce8 JG |
1134 | const char *filter_str; |
1135 | char *filter_msg = NULL; | |
1136 | struct lttng_event *event = &events[i]; | |
1137 | ||
134e72ed JG |
1138 | ret = lttng_event_get_filter_expression(event, |
1139 | &filter_str); | |
9a890ce8 JG |
1140 | if (ret) { |
1141 | filter_msg = strdup(" [failed to retrieve filter]"); | |
1142 | } else if (filter_str) { | |
1143 | const char * const filter_fmt = | |
1144 | " [filter: '%s']"; | |
1145 | ||
1146 | filter_msg = malloc(strlen(filter_str) + | |
1147 | strlen(filter_fmt) + 1); | |
1148 | if (filter_msg) { | |
00505bae JG |
1149 | sprintf(filter_msg, filter_fmt, |
1150 | filter_str); | |
9a890ce8 JG |
1151 | } |
1152 | } | |
1153 | ||
1154 | if (event->loglevel_type != | |
755066c2 | 1155 | LTTNG_EVENT_LOGLEVEL_ALL) { |
9a890ce8 JG |
1156 | MSG("%s- %s%s (loglevel%s %s)%s", indent4, |
1157 | event->name, | |
1158 | enabled_string(event->enabled), | |
755066c2 | 1159 | logleveltype_string( |
9a890ce8 | 1160 | event->loglevel_type), |
755066c2 | 1161 | mi_lttng_loglevel_string( |
9a890ce8 JG |
1162 | event->loglevel, |
1163 | handle->domain.type), | |
7b4a95b1 | 1164 | safe_string(filter_msg)); |
755066c2 | 1165 | } else { |
9a890ce8 JG |
1166 | MSG("%s- %s%s%s", indent4, event->name, |
1167 | enabled_string(event->enabled), | |
7b4a95b1 | 1168 | safe_string(filter_msg)); |
755066c2 | 1169 | } |
9a890ce8 | 1170 | free(filter_msg); |
fb14d0d8 JR |
1171 | } |
1172 | ||
1173 | MSG(""); | |
1174 | } | |
1175 | ||
1176 | end: | |
1177 | free(events); | |
1178 | error: | |
1179 | return ret; | |
1180 | } | |
1181 | ||
1182 | /* | |
1183 | * Machine interface | |
1184 | * print a list of event | |
1185 | */ | |
1186 | static int mi_list_events(struct lttng_event *events, int count) | |
1187 | { | |
1188 | int ret, i; | |
1189 | ||
1190 | /* Open events element */ | |
1191 | ret = mi_lttng_events_open(writer); | |
1192 | if (ret) { | |
3c6a091f DG |
1193 | goto end; |
1194 | } | |
1195 | ||
1196 | for (i = 0; i < count; i++) { | |
970d848b | 1197 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1198 | if (ret) { |
1199 | goto end; | |
1200 | } | |
3c6a091f DG |
1201 | } |
1202 | ||
fb14d0d8 JR |
1203 | /* Close events element */ |
1204 | ret = mi_lttng_writer_close_element(writer); | |
3c6a091f DG |
1205 | |
1206 | end: | |
3c6a091f DG |
1207 | return ret; |
1208 | } | |
1209 | ||
f3ed775e | 1210 | /* |
9f19cc17 | 1211 | * List events of channel of session and domain. |
f3ed775e | 1212 | */ |
cd80958d | 1213 | static int list_events(const char *channel_name) |
f3ed775e | 1214 | { |
fb14d0d8 | 1215 | int ret = CMD_SUCCESS, count, i; |
9f19cc17 | 1216 | struct lttng_event *events = NULL; |
f3ed775e | 1217 | |
cd80958d | 1218 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e | 1219 | if (count < 0) { |
fb14d0d8 JR |
1220 | ret = CMD_ERROR; |
1221 | ERR("%s", lttng_strerror(count)); | |
f3ed775e DG |
1222 | goto error; |
1223 | } | |
1224 | ||
fb14d0d8 JR |
1225 | if (lttng_opt_mi) { |
1226 | /* Mi print */ | |
1227 | ret = mi_list_events(events, count); | |
1228 | if (ret) { | |
1229 | ret = CMD_ERROR; | |
1230 | goto end; | |
1231 | } | |
1232 | } else { | |
1233 | /* Pretty print */ | |
f3b3a67b | 1234 | MSG("\n%sEvent rules:", indent4); |
fb14d0d8 JR |
1235 | if (count == 0) { |
1236 | MSG("%sNone\n", indent6); | |
1237 | goto end; | |
1238 | } | |
f3ed775e | 1239 | |
fb14d0d8 JR |
1240 | for (i = 0; i < count; i++) { |
1241 | print_events(&events[i]); | |
1242 | } | |
f3ed775e | 1243 | |
fb14d0d8 JR |
1244 | MSG(""); |
1245 | } | |
9f19cc17 | 1246 | end: |
0e428499 | 1247 | free(events); |
f3ed775e DG |
1248 | error: |
1249 | return ret; | |
1250 | } | |
1251 | ||
f3b3a67b JG |
1252 | static |
1253 | void print_timer(const char *timer_name, uint32_t space_count, int64_t value) | |
1254 | { | |
1255 | uint32_t i; | |
1256 | ||
1257 | _MSG("%s%s:", indent6, timer_name); | |
1258 | for (i = 0; i < space_count; i++) { | |
1259 | _MSG(" "); | |
1260 | } | |
1261 | ||
1262 | if (value) { | |
2a1135fa | 1263 | MSG("%" PRId64 " %s", value, USEC_UNIT); |
f3b3a67b JG |
1264 | } else { |
1265 | MSG("inactive"); | |
1266 | } | |
1267 | } | |
1268 | ||
f3ed775e | 1269 | /* |
9f19cc17 DG |
1270 | * Pretty print channel |
1271 | */ | |
1272 | static void print_channel(struct lttng_channel *channel) | |
1273 | { | |
fb83fe64 | 1274 | int ret; |
cf0bcb51 | 1275 | uint64_t discarded_events, lost_packets, monitor_timer_interval; |
491d1539 | 1276 | int64_t blocking_timeout; |
fb83fe64 JD |
1277 | |
1278 | ret = lttng_channel_get_discarded_event_count(channel, | |
1279 | &discarded_events); | |
1280 | if (ret) { | |
1281 | ERR("Failed to retrieve discarded event count of channel"); | |
1282 | return; | |
1283 | } | |
1284 | ||
1285 | ret = lttng_channel_get_lost_packet_count(channel, | |
1286 | &lost_packets); | |
1287 | if (ret) { | |
1288 | ERR("Failed to retrieve lost packet count of channel"); | |
1289 | return; | |
1290 | } | |
1291 | ||
cf0bcb51 JG |
1292 | ret = lttng_channel_get_monitor_timer_interval(channel, |
1293 | &monitor_timer_interval); | |
1294 | if (ret) { | |
1295 | ERR("Failed to retrieve monitor interval of channel"); | |
1296 | return; | |
1297 | } | |
1298 | ||
491d1539 MD |
1299 | ret = lttng_channel_get_blocking_timeout(channel, |
1300 | &blocking_timeout); | |
1301 | if (ret) { | |
1302 | ERR("Failed to retrieve blocking timeout of channel"); | |
1303 | return; | |
1304 | } | |
1305 | ||
464dd62d | 1306 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 | 1307 | MSG("%sAttributes:", indent4); |
f3b3a67b JG |
1308 | MSG("%sEvent-loss mode: %s", indent6, channel->attr.overwrite ? "overwrite" : "discard"); |
1309 | MSG("%sSub-buffer size: %" PRIu64 " bytes", indent6, channel->attr.subbuf_size); | |
1310 | MSG("%sSub-buffer count: %" PRIu64, indent6, channel->attr.num_subbuf); | |
1311 | ||
1312 | print_timer("Switch timer", 5, channel->attr.switch_timer_interval); | |
1313 | print_timer("Read timer", 7, channel->attr.read_timer_interval); | |
1314 | print_timer("Monitor timer", 4, monitor_timer_interval); | |
1315 | ||
1316 | if (!channel->attr.overwrite) { | |
1317 | if (blocking_timeout == -1) { | |
1318 | MSG("%sBlocking timeout: infinite", indent6); | |
1319 | } else { | |
2a1135fa JG |
1320 | MSG("%sBlocking timeout: %" PRId64 " %s", indent6, |
1321 | blocking_timeout, USEC_UNIT); | |
f3b3a67b JG |
1322 | } |
1323 | } | |
1324 | ||
1325 | MSG("%sTrace file count: %" PRIu64 " per stream", indent6, | |
1326 | channel->attr.tracefile_count == 0 ? | |
1327 | 1 : channel->attr.tracefile_count); | |
1328 | if (channel->attr.tracefile_size != 0 ) { | |
1329 | MSG("%sTrace file size: %" PRIu64 " bytes", indent6, | |
1330 | channel->attr.tracefile_size); | |
1331 | } else { | |
1332 | MSG("%sTrace file size: %s", indent6, "unlimited"); | |
1333 | } | |
9f19cc17 DG |
1334 | switch (channel->attr.output) { |
1335 | case LTTNG_EVENT_SPLICE: | |
f3b3a67b | 1336 | MSG("%sOutput mode: splice", indent6); |
9f19cc17 DG |
1337 | break; |
1338 | case LTTNG_EVENT_MMAP: | |
f3b3a67b | 1339 | MSG("%sOutput mode: mmap", indent6); |
9f19cc17 DG |
1340 | break; |
1341 | } | |
e50e81d3 | 1342 | |
f3b3a67b JG |
1343 | MSG("\n%sStatistics:", indent4); |
1344 | if (listed_session.snapshot_mode) { | |
e50e81d3 JG |
1345 | /* |
1346 | * The lost packet count is omitted for sessions in snapshot | |
1347 | * mode as it is misleading: it would indicate the number of | |
1348 | * packets that the consumer could not extract during the | |
1349 | * course of recording the snapshot. It does not have the | |
1350 | * same meaning as the "regular" lost packet count that | |
1351 | * would result from the consumer not keeping up with | |
1352 | * event production in an overwrite-mode channel. | |
1353 | * | |
1354 | * A more interesting statistic would be the number of | |
1355 | * packets lost between the first and last extracted | |
1356 | * packets of a given snapshot (which prevents most analyses). | |
1357 | */ | |
f3b3a67b | 1358 | MSG("%sNone", indent6); |
e50e81d3 JG |
1359 | goto skip_stats_printing; |
1360 | } | |
1361 | ||
1362 | if (!channel->attr.overwrite) { | |
f3b3a67b | 1363 | MSG("%sDiscarded events: %" PRIu64, indent6, discarded_events); |
e50e81d3 | 1364 | } else { |
f3b3a67b | 1365 | MSG("%sLost packets: %" PRIu64, indent6, lost_packets); |
e50e81d3 JG |
1366 | } |
1367 | skip_stats_printing: | |
1368 | return; | |
9f19cc17 DG |
1369 | } |
1370 | ||
fb14d0d8 JR |
1371 | /* |
1372 | * Machine interface | |
1373 | * Print a list of channel | |
1374 | * | |
1375 | */ | |
1376 | static int mi_list_channels(struct lttng_channel *channels, int count, | |
1377 | const char *channel_name) | |
1378 | { | |
1379 | int i, ret; | |
1380 | unsigned int chan_found = 0; | |
1381 | ||
1382 | /* Open channels element */ | |
1383 | ret = mi_lttng_channels_open(writer); | |
1384 | if (ret) { | |
1385 | goto error; | |
1386 | } | |
1387 | ||
1388 | for (i = 0; i < count; i++) { | |
1389 | if (channel_name != NULL) { | |
1390 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1391 | chan_found = 1; | |
1392 | } else { | |
1393 | continue; | |
1394 | } | |
1395 | } | |
1396 | ||
1397 | /* Write channel element and leave it open */ | |
1398 | ret = mi_lttng_channel(writer, &channels[i], 1); | |
1399 | if (ret) { | |
1400 | goto error; | |
1401 | } | |
1402 | ||
1403 | /* Listing events per channel */ | |
1404 | ret = list_events(channels[i].name); | |
1405 | if (ret) { | |
1406 | goto error; | |
1407 | } | |
1408 | ||
1409 | /* Closing the channel element we opened earlier */ | |
1410 | ret = mi_lttng_writer_close_element(writer); | |
1411 | if (ret) { | |
1412 | goto error; | |
1413 | } | |
1414 | ||
1415 | if (chan_found) { | |
1416 | break; | |
1417 | } | |
1418 | } | |
1419 | ||
1420 | /* Close channels element */ | |
1421 | ret = mi_lttng_writer_close_element(writer); | |
1422 | if (ret) { | |
1423 | goto error; | |
1424 | } | |
1425 | ||
1426 | error: | |
1427 | return ret; | |
1428 | } | |
1429 | ||
9f19cc17 DG |
1430 | /* |
1431 | * List channel(s) of session and domain. | |
f3ed775e | 1432 | * |
9f19cc17 | 1433 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 1434 | */ |
cd80958d | 1435 | static int list_channels(const char *channel_name) |
f3ed775e | 1436 | { |
9f19cc17 DG |
1437 | int count, i, ret = CMD_SUCCESS; |
1438 | unsigned int chan_found = 0; | |
1439 | struct lttng_channel *channels = NULL; | |
f3ed775e | 1440 | |
3e25cb20 | 1441 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 1442 | |
cd80958d | 1443 | count = lttng_list_channels(handle, &channels); |
f3ed775e | 1444 | if (count < 0) { |
c7d620a2 DG |
1445 | switch (-count) { |
1446 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
fb14d0d8 JR |
1447 | if (lttng_opt_mi) { |
1448 | /* When printing mi this is not an error | |
1449 | * but an empty channels element */ | |
1450 | count = 0; | |
1451 | } else { | |
1452 | ret = CMD_SUCCESS; | |
fb14d0d8 JR |
1453 | goto error_channels; |
1454 | } | |
c7d620a2 DG |
1455 | break; |
1456 | default: | |
1457 | /* We had a real error */ | |
fb14d0d8 JR |
1458 | ret = CMD_ERROR; |
1459 | ERR("%s", lttng_strerror(count)); | |
1460 | goto error_channels; | |
60e835ca | 1461 | break; |
c7d620a2 | 1462 | } |
f3ed775e DG |
1463 | } |
1464 | ||
fb14d0d8 JR |
1465 | if (lttng_opt_mi) { |
1466 | /* Mi print */ | |
1467 | ret = mi_list_channels(channels, count, channel_name); | |
1468 | if (ret) { | |
1469 | ret = CMD_ERROR; | |
1470 | goto error; | |
1471 | } | |
1472 | } else { | |
1473 | /* Pretty print */ | |
ade7ce52 | 1474 | if (count) { |
fb14d0d8 JR |
1475 | MSG("Channels:\n-------------"); |
1476 | } | |
9f19cc17 | 1477 | |
fb14d0d8 JR |
1478 | for (i = 0; i < count; i++) { |
1479 | if (channel_name != NULL) { | |
1480 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1481 | chan_found = 1; | |
1482 | } else { | |
1483 | continue; | |
1484 | } | |
1485 | } | |
1486 | print_channel(&channels[i]); | |
1487 | ||
1488 | /* Listing events per channel */ | |
1489 | ret = list_events(channels[i].name); | |
1490 | if (ret) { | |
1491 | goto error; | |
1492 | } | |
1493 | ||
1494 | if (chan_found) { | |
1495 | break; | |
9f19cc17 DG |
1496 | } |
1497 | } | |
9f19cc17 | 1498 | |
fb14d0d8 JR |
1499 | if (!chan_found && channel_name != NULL) { |
1500 | ret = CMD_ERROR; | |
1501 | ERR("Channel %s not found", channel_name); | |
1502 | goto error; | |
9f19cc17 | 1503 | } |
fb14d0d8 JR |
1504 | } |
1505 | error: | |
1506 | free(channels); | |
9f19cc17 | 1507 | |
fb14d0d8 JR |
1508 | error_channels: |
1509 | return ret; | |
1510 | } | |
1511 | ||
f953b297 | 1512 | static const char *get_capitalized_process_attr_str(enum lttng_process_attr process_attr) |
83d6d6c4 | 1513 | { |
f953b297 JG |
1514 | switch (process_attr) { |
1515 | case LTTNG_PROCESS_ATTR_PROCESS_ID: | |
1516 | return "Process ID"; | |
1517 | case LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID: | |
1518 | return "Virtual process ID"; | |
1519 | case LTTNG_PROCESS_ATTR_USER_ID: | |
1520 | return "User ID"; | |
1521 | case LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID: | |
1522 | return "Virtual user ID"; | |
1523 | case LTTNG_PROCESS_ATTR_GROUP_ID: | |
1524 | return "Group ID"; | |
1525 | case LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID: | |
1526 | return "Virtual group ID"; | |
1527 | default: | |
1528 | return "Unknown"; | |
83d6d6c4 JR |
1529 | } |
1530 | return NULL; | |
1531 | } | |
1532 | ||
f953b297 JG |
1533 | static int handle_process_attr_status(enum lttng_process_attr process_attr, |
1534 | enum lttng_process_attr_tracker_handle_status status) | |
1535 | { | |
1536 | int ret = CMD_SUCCESS; | |
1537 | ||
1538 | switch (status) { | |
1539 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_INVALID_TRACKING_POLICY: | |
1540 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_OK: | |
1541 | /* Carry on. */ | |
1542 | break; | |
1543 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_COMMUNICATION_ERROR: | |
1544 | ERR("Communication occurred while fetching %s tracker", | |
1545 | lttng_process_attr_to_string(process_attr)); | |
1546 | ret = CMD_ERROR; | |
1547 | break; | |
1548 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_SESSION_DOES_NOT_EXIST: | |
1549 | ERR("Failed to get the inclusion set of the %s tracker: session `%s` no longer exists", | |
1550 | lttng_process_attr_to_string(process_attr), | |
1551 | handle->session_name); | |
1552 | ret = CMD_ERROR; | |
1553 | break; | |
1554 | default: | |
1555 | ERR("Unknown error occurred while fetching the inclusion set of the %s tracker", | |
1556 | lttng_process_attr_to_string(process_attr)); | |
1557 | ret = CMD_ERROR; | |
1558 | break; | |
1559 | } | |
1560 | ||
1561 | return ret; | |
1562 | } | |
1563 | ||
1564 | static int mi_output_empty_tracker(enum lttng_process_attr process_attr) | |
1565 | { | |
1566 | int ret; | |
1567 | ||
1568 | ret = mi_lttng_process_attribute_tracker_open(writer, process_attr); | |
1569 | if (ret) { | |
1570 | goto end; | |
1571 | } | |
1572 | ||
1573 | ret = mi_lttng_close_multi_element(writer, 2); | |
1574 | end: | |
1575 | return ret; | |
1576 | } | |
1577 | ||
1578 | static inline bool is_value_type_name( | |
1579 | enum lttng_process_attr_value_type value_type) | |
1580 | { | |
1581 | return value_type == LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME || | |
1582 | value_type == LTTNG_PROCESS_ATTR_VALUE_TYPE_GROUP_NAME; | |
1583 | } | |
1584 | ||
a5dfbb9d | 1585 | /* |
f953b297 | 1586 | * List a process attribute tracker for a session and domain tuple. |
a5dfbb9d | 1587 | */ |
f953b297 | 1588 | static int list_process_attr_tracker(enum lttng_process_attr process_attr) |
a5dfbb9d | 1589 | { |
ebbf5ab7 | 1590 | int ret = 0; |
f953b297 JG |
1591 | unsigned int count, i; |
1592 | enum lttng_tracking_policy policy; | |
1593 | enum lttng_error_code ret_code; | |
1594 | enum lttng_process_attr_tracker_handle_status handle_status; | |
1595 | enum lttng_process_attr_values_status values_status; | |
1596 | const struct lttng_process_attr_values *values; | |
1597 | struct lttng_process_attr_tracker_handle *tracker_handle = NULL; | |
1598 | ||
1599 | ret_code = lttng_session_get_tracker_handle(handle->session_name, | |
1600 | handle->domain.type, process_attr, &tracker_handle); | |
1601 | if (ret_code != LTTNG_OK) { | |
1602 | ERR("Failed to get process attribute tracker handle: %s", | |
1603 | lttng_strerror(ret_code)); | |
1604 | ret = CMD_ERROR; | |
1605 | goto end; | |
1606 | } | |
a5dfbb9d | 1607 | |
f953b297 JG |
1608 | handle_status = lttng_process_attr_tracker_handle_get_inclusion_set( |
1609 | tracker_handle, &values); | |
1610 | ret = handle_process_attr_status(process_attr, handle_status); | |
1611 | if (ret != CMD_SUCCESS) { | |
1612 | goto end; | |
a5dfbb9d | 1613 | } |
a7a533cd | 1614 | |
f953b297 JG |
1615 | handle_status = lttng_process_attr_tracker_handle_get_tracking_policy( |
1616 | tracker_handle, &policy); | |
1617 | ret = handle_process_attr_status(process_attr, handle_status); | |
1618 | if (ret != CMD_SUCCESS) { | |
e283e4a0 JR |
1619 | goto end; |
1620 | } | |
1621 | ||
f953b297 JG |
1622 | { |
1623 | char *process_attr_name; | |
1624 | const int print_ret = asprintf(&process_attr_name, "%ss:", | |
1625 | get_capitalized_process_attr_str(process_attr)); | |
1626 | ||
1627 | if (print_ret == -1) { | |
1628 | ret = CMD_FATAL; | |
1629 | goto end; | |
a7a533cd | 1630 | } |
f953b297 JG |
1631 | _MSG(" %-22s", process_attr_name); |
1632 | free(process_attr_name); | |
1633 | } | |
1634 | switch (policy) { | |
1635 | case LTTNG_TRACKING_POLICY_INCLUDE_SET: | |
1636 | break; | |
1637 | case LTTNG_TRACKING_POLICY_EXCLUDE_ALL: | |
1638 | if (writer) { | |
1639 | mi_output_empty_tracker(process_attr); | |
1640 | } | |
1641 | MSG("none"); | |
1642 | ret = CMD_SUCCESS; | |
1643 | goto end; | |
1644 | case LTTNG_TRACKING_POLICY_INCLUDE_ALL: | |
1645 | MSG("all"); | |
1646 | ret = CMD_SUCCESS; | |
1647 | goto end; | |
1648 | default: | |
1649 | ERR("Unknown tracking policy encoutered while listing the %s process attribute tracker of session `%s`", | |
1650 | lttng_process_attr_to_string(process_attr), | |
1651 | handle->session_name); | |
1652 | ret = CMD_FATAL; | |
1653 | goto end; | |
83d6d6c4 | 1654 | } |
a7a533cd | 1655 | |
f953b297 JG |
1656 | values_status = lttng_process_attr_values_get_count(values, &count); |
1657 | if (values_status != LTTNG_PROCESS_ATTR_VALUES_STATUS_OK) { | |
1658 | ERR("Failed to get the count of values in the inclusion set of the %s process attribute tracker of session `%s`", | |
1659 | lttng_process_attr_to_string(process_attr), | |
1660 | handle->session_name); | |
1661 | ret = CMD_FATAL; | |
1662 | goto end; | |
1663 | } | |
a5dfbb9d | 1664 | |
f953b297 JG |
1665 | if (count == 0) { |
1666 | /* Functionally equivalent to the 'exclude all' policy. */ | |
ebbf5ab7 | 1667 | if (writer) { |
f953b297 | 1668 | mi_output_empty_tracker(process_attr); |
ebbf5ab7 | 1669 | } |
f953b297 JG |
1670 | MSG("none"); |
1671 | ret = CMD_SUCCESS; | |
1672 | goto end; | |
1673 | } | |
ebbf5ab7 | 1674 | |
f953b297 JG |
1675 | /* Mi tracker_id element */ |
1676 | if (writer) { | |
1677 | /* Open tracker_id and targets elements */ | |
1678 | ret = mi_lttng_process_attribute_tracker_open( | |
1679 | writer, process_attr); | |
1680 | if (ret) { | |
1681 | goto end; | |
1682 | } | |
1683 | } | |
2d97a006 | 1684 | |
f953b297 JG |
1685 | for (i = 0; i < count; i++) { |
1686 | const enum lttng_process_attr_value_type value_type = | |
1687 | lttng_process_attr_values_get_type_at_index( | |
1688 | values, i); | |
1689 | int64_t integral_value = INT64_MAX; | |
1690 | const char *name = "error"; | |
1691 | ||
1692 | if (i >= 1) { | |
1693 | _MSG(", "); | |
1694 | } | |
1695 | switch (value_type) { | |
1696 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_PID: | |
1697 | { | |
1698 | pid_t pid; | |
1699 | ||
1700 | values_status = lttng_process_attr_values_get_pid_at_index( | |
1701 | values, i, &pid); | |
1702 | integral_value = (int64_t) pid; | |
1703 | break; | |
1704 | } | |
1705 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_UID: | |
1706 | { | |
1707 | uid_t uid; | |
a7a533cd | 1708 | |
f953b297 JG |
1709 | values_status = lttng_process_attr_values_get_uid_at_index( |
1710 | values, i, &uid); | |
1711 | integral_value = (int64_t) uid; | |
1712 | break; | |
1713 | } | |
1714 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GID: | |
1715 | { | |
1716 | gid_t gid; | |
2d97a006 | 1717 | |
f953b297 JG |
1718 | values_status = lttng_process_attr_values_get_gid_at_index( |
1719 | values, i, &gid); | |
1720 | integral_value = (int64_t) gid; | |
1721 | break; | |
1722 | } | |
1723 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME: | |
1724 | values_status = lttng_process_attr_values_get_user_name_at_index( | |
1725 | values, i, &name); | |
1726 | break; | |
1727 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GROUP_NAME: | |
1728 | values_status = lttng_process_attr_values_get_group_name_at_index( | |
1729 | values, i, &name); | |
1730 | break; | |
1731 | default: | |
1732 | ret = CMD_ERROR; | |
1733 | goto end; | |
1734 | } | |
83d6d6c4 | 1735 | |
f953b297 JG |
1736 | if (values_status != LTTNG_PROCESS_ATTR_VALUES_STATUS_OK) { |
1737 | /* | |
1738 | * Not possible given the current liblttng-ctl | |
1739 | * implementation. | |
1740 | */ | |
1741 | ERR("Unknown error occurred while fetching process attribute value in inclusion list"); | |
1742 | ret = CMD_FATAL; | |
1743 | goto end; | |
1744 | } | |
ebbf5ab7 | 1745 | |
f953b297 JG |
1746 | if (is_value_type_name(value_type)) { |
1747 | _MSG("`%s`", name); | |
1748 | } else { | |
1749 | _MSG("%" PRIi64, integral_value); | |
a5dfbb9d | 1750 | } |
ebbf5ab7 | 1751 | |
f953b297 | 1752 | /* Mi */ |
ebbf5ab7 | 1753 | if (writer) { |
f953b297 JG |
1754 | ret = is_value_type_name(value_type) ? |
1755 | mi_lttng_string_process_attribute_value( | |
1756 | writer, | |
1757 | process_attr, | |
1758 | name, false) : | |
1759 | mi_lttng_integral_process_attribute_value( | |
1760 | writer, | |
1761 | process_attr, | |
1762 | integral_value, | |
1763 | false); | |
ebbf5ab7 JR |
1764 | if (ret) { |
1765 | goto end; | |
1766 | } | |
1767 | } | |
a5dfbb9d | 1768 | } |
f953b297 JG |
1769 | MSG(""); |
1770 | ||
1771 | /* Mi close tracker_id and targets */ | |
1772 | if (writer) { | |
1773 | ret = mi_lttng_close_multi_element(writer, 2); | |
1774 | if (ret) { | |
1775 | goto end; | |
1776 | } | |
1777 | } | |
ebbf5ab7 | 1778 | end: |
f953b297 | 1779 | lttng_process_attr_tracker_handle_destroy(tracker_handle); |
ebbf5ab7 | 1780 | return ret; |
ebbf5ab7 JR |
1781 | } |
1782 | ||
1783 | /* | |
83d6d6c4 | 1784 | * List all trackers of a domain |
ebbf5ab7 | 1785 | */ |
83d6d6c4 | 1786 | static int list_trackers(const struct lttng_domain *domain) |
ebbf5ab7 | 1787 | { |
0dda6728 | 1788 | int ret = 0; |
ebbf5ab7 | 1789 | |
f953b297 | 1790 | MSG("Tracked process attributes"); |
ebbf5ab7 JR |
1791 | /* Trackers listing */ |
1792 | if (lttng_opt_mi) { | |
1793 | ret = mi_lttng_trackers_open(writer); | |
1794 | if (ret) { | |
1795 | goto end; | |
1796 | } | |
1797 | } | |
1798 | ||
83d6d6c4 JR |
1799 | switch (domain->type) { |
1800 | case LTTNG_DOMAIN_KERNEL: | |
1801 | /* pid tracker */ | |
f953b297 | 1802 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_PROCESS_ID); |
83d6d6c4 JR |
1803 | if (ret) { |
1804 | goto end; | |
1805 | } | |
1806 | /* vpid tracker */ | |
f953b297 JG |
1807 | ret = list_process_attr_tracker( |
1808 | LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID); | |
83d6d6c4 JR |
1809 | if (ret) { |
1810 | goto end; | |
1811 | } | |
1812 | /* uid tracker */ | |
f953b297 | 1813 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_USER_ID); |
83d6d6c4 JR |
1814 | if (ret) { |
1815 | goto end; | |
1816 | } | |
1817 | /* vuid tracker */ | |
f953b297 JG |
1818 | ret = list_process_attr_tracker( |
1819 | LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID); | |
83d6d6c4 JR |
1820 | if (ret) { |
1821 | goto end; | |
1822 | } | |
1823 | /* gid tracker */ | |
f953b297 | 1824 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_GROUP_ID); |
83d6d6c4 JR |
1825 | if (ret) { |
1826 | goto end; | |
1827 | } | |
1828 | /* vgid tracker */ | |
f953b297 JG |
1829 | ret = list_process_attr_tracker( |
1830 | LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID); | |
83d6d6c4 JR |
1831 | if (ret) { |
1832 | goto end; | |
1833 | } | |
1834 | break; | |
1835 | case LTTNG_DOMAIN_UST: | |
1836 | /* vpid tracker */ | |
f953b297 JG |
1837 | ret = list_process_attr_tracker( |
1838 | LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID); | |
83d6d6c4 JR |
1839 | if (ret) { |
1840 | goto end; | |
1841 | } | |
1842 | /* vuid tracker */ | |
f953b297 JG |
1843 | ret = list_process_attr_tracker( |
1844 | LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID); | |
83d6d6c4 JR |
1845 | if (ret) { |
1846 | goto end; | |
1847 | } | |
1848 | /* vgid tracker */ | |
f953b297 JG |
1849 | ret = list_process_attr_tracker( |
1850 | LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID); | |
83d6d6c4 JR |
1851 | if (ret) { |
1852 | goto end; | |
1853 | } | |
1854 | break; | |
1855 | default: | |
1856 | break; | |
ebbf5ab7 | 1857 | } |
f953b297 | 1858 | MSG(); |
ebbf5ab7 JR |
1859 | if (lttng_opt_mi) { |
1860 | /* Close trackers element */ | |
1861 | ret = mi_lttng_writer_close_element(writer); | |
1862 | if (ret) { | |
1863 | goto end; | |
1864 | } | |
1865 | } | |
1866 | ||
1867 | end: | |
1868 | return ret; | |
a5dfbb9d MD |
1869 | } |
1870 | ||
66ea93b1 JG |
1871 | static enum cmd_error_code print_periodic_rotation_schedule( |
1872 | const struct lttng_rotation_schedule *schedule) | |
1873 | { | |
1874 | enum cmd_error_code ret; | |
1875 | enum lttng_rotation_status status; | |
1876 | uint64_t value; | |
1877 | ||
1878 | status = lttng_rotation_schedule_periodic_get_period(schedule, | |
1879 | &value); | |
1880 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1881 | ERR("Failed to retrieve period parameter from periodic rotation schedule."); | |
1882 | ret = CMD_ERROR; | |
1883 | goto end; | |
1884 | } | |
1885 | ||
2a1135fa | 1886 | MSG(" timer period: %" PRIu64" %s", value, USEC_UNIT); |
66ea93b1 JG |
1887 | ret = CMD_SUCCESS; |
1888 | end: | |
1889 | return ret; | |
1890 | } | |
1891 | ||
1892 | static enum cmd_error_code print_size_threshold_rotation_schedule( | |
1893 | const struct lttng_rotation_schedule *schedule) | |
1894 | { | |
1895 | enum cmd_error_code ret; | |
1896 | enum lttng_rotation_status status; | |
1897 | uint64_t value; | |
1898 | ||
1899 | status = lttng_rotation_schedule_size_threshold_get_threshold(schedule, | |
1900 | &value); | |
1901 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1902 | ERR("Failed to retrieve size parameter from size-based rotation schedule."); | |
1903 | ret = CMD_ERROR; | |
1904 | goto end; | |
1905 | } | |
1906 | ||
1907 | MSG(" size threshold: %" PRIu64" bytes", value); | |
66ea93b1 JG |
1908 | ret = CMD_SUCCESS; |
1909 | end: | |
1910 | return ret; | |
1911 | } | |
1912 | ||
1913 | static enum cmd_error_code print_rotation_schedule( | |
1914 | const struct lttng_rotation_schedule *schedule) | |
1915 | { | |
1916 | enum cmd_error_code ret; | |
1917 | ||
1918 | switch (lttng_rotation_schedule_get_type(schedule)) { | |
1919 | case LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD: | |
1920 | ret = print_size_threshold_rotation_schedule(schedule); | |
1921 | break; | |
1922 | case LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC: | |
1923 | ret = print_periodic_rotation_schedule(schedule); | |
1924 | break; | |
1925 | default: | |
1926 | ret = CMD_ERROR; | |
1927 | } | |
1928 | return ret; | |
1929 | } | |
1930 | ||
329f3443 | 1931 | /* |
66ea93b1 | 1932 | * List the automatic rotation settings. |
329f3443 | 1933 | */ |
66ea93b1 | 1934 | static enum cmd_error_code list_rotate_settings(const char *session_name) |
329f3443 JD |
1935 | { |
1936 | int ret; | |
66ea93b1 JG |
1937 | enum cmd_error_code cmd_ret = CMD_SUCCESS; |
1938 | unsigned int count, i; | |
1939 | struct lttng_rotation_schedules *schedules = NULL; | |
1940 | enum lttng_rotation_status status; | |
1941 | ||
1942 | ret = lttng_session_list_rotation_schedules(session_name, &schedules); | |
1943 | if (ret != LTTNG_OK) { | |
1944 | ERR("Failed to list session rotation schedules: %s", lttng_strerror(ret)); | |
1945 | cmd_ret = CMD_ERROR; | |
329f3443 JD |
1946 | goto end; |
1947 | } | |
1948 | ||
66ea93b1 JG |
1949 | status = lttng_rotation_schedules_get_count(schedules, &count); |
1950 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1951 | ERR("Failed to retrieve the number of session rotation schedules."); | |
1952 | cmd_ret = CMD_ERROR; | |
329f3443 JD |
1953 | goto end; |
1954 | } | |
1955 | ||
66ea93b1 JG |
1956 | if (count == 0) { |
1957 | cmd_ret = CMD_SUCCESS; | |
329f3443 JD |
1958 | goto end; |
1959 | } | |
1960 | ||
66ea93b1 JG |
1961 | MSG("Automatic rotation schedules:"); |
1962 | if (lttng_opt_mi) { | |
1963 | ret = mi_lttng_writer_open_element(writer, | |
1964 | mi_lttng_element_rotation_schedules); | |
1965 | if (ret) { | |
1966 | cmd_ret = CMD_ERROR; | |
1967 | goto end; | |
329f3443 JD |
1968 | } |
1969 | } | |
66ea93b1 JG |
1970 | |
1971 | for (i = 0; i < count; i++) { | |
1972 | enum cmd_error_code tmp_ret = CMD_SUCCESS; | |
1973 | const struct lttng_rotation_schedule *schedule; | |
1974 | ||
1975 | schedule = lttng_rotation_schedules_get_at_index(schedules, i); | |
1976 | if (!schedule) { | |
1977 | ERR("Failed to retrieve session rotation schedule."); | |
1978 | cmd_ret = CMD_ERROR; | |
1979 | goto end; | |
1980 | } | |
1981 | ||
329f3443 | 1982 | if (lttng_opt_mi) { |
66ea93b1 | 1983 | ret = mi_lttng_rotation_schedule(writer, schedule); |
329f3443 | 1984 | if (ret) { |
66ea93b1 | 1985 | tmp_ret = CMD_ERROR; |
329f3443 | 1986 | } |
66ea93b1 JG |
1987 | } else { |
1988 | tmp_ret = print_rotation_schedule(schedule); | |
329f3443 | 1989 | } |
66ea93b1 JG |
1990 | |
1991 | /* | |
1992 | * Report an error if the serialization of any of the | |
1993 | * descriptors failed. | |
1994 | */ | |
1995 | cmd_ret = cmd_ret ? cmd_ret : tmp_ret; | |
329f3443 | 1996 | } |
329f3443 | 1997 | |
66ea93b1 JG |
1998 | _MSG("\n"); |
1999 | if (lttng_opt_mi) { | |
2000 | /* Close the rotation_schedules element. */ | |
2001 | ret = mi_lttng_writer_close_element(writer); | |
2002 | if (ret) { | |
2003 | cmd_ret = CMD_ERROR; | |
2004 | goto end; | |
2005 | } | |
2006 | } | |
329f3443 | 2007 | end: |
66ea93b1 JG |
2008 | lttng_rotation_schedules_destroy(schedules); |
2009 | return cmd_ret; | |
329f3443 JD |
2010 | } |
2011 | ||
fb14d0d8 JR |
2012 | /* |
2013 | * Machine interface | |
2014 | * Find the session with session_name as name | |
2015 | * and print his informations. | |
2016 | */ | |
2017 | static int mi_list_session(const char *session_name, | |
2018 | struct lttng_session *sessions, int count) | |
2019 | { | |
2020 | int ret, i; | |
2021 | unsigned int session_found = 0; | |
2022 | ||
2023 | if (session_name == NULL) { | |
2024 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
2025 | goto end; | |
2026 | } | |
2027 | ||
2028 | for (i = 0; i < count; i++) { | |
2029 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
2030 | /* We need to leave it open to append other informations | |
2031 | * like domain, channel, events etc.*/ | |
2032 | session_found = 1; | |
2033 | ret = mi_lttng_session(writer, &sessions[i], 1); | |
2034 | if (ret) { | |
2035 | goto end; | |
2036 | } | |
9f19cc17 | 2037 | break; |
f3ed775e | 2038 | } |
f3ed775e DG |
2039 | } |
2040 | ||
fb14d0d8 JR |
2041 | if (!session_found) { |
2042 | ERR("Session '%s' not found", session_name); | |
2043 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
2044 | goto end; | |
9f19cc17 | 2045 | } |
f3ed775e | 2046 | |
fb14d0d8 JR |
2047 | end: |
2048 | return ret; | |
2049 | } | |
f3ed775e | 2050 | |
fb14d0d8 JR |
2051 | /* |
2052 | * Machine interface | |
2053 | * List all availables session | |
2054 | */ | |
2055 | static int mi_list_sessions(struct lttng_session *sessions, int count) | |
2056 | { | |
2057 | int ret, i; | |
ae856491 | 2058 | |
fb14d0d8 JR |
2059 | /* Opening sessions element */ |
2060 | ret = mi_lttng_sessions_open(writer); | |
2061 | if (ret) { | |
2062 | goto end; | |
2063 | } | |
2064 | ||
2065 | /* Listing sessions */ | |
2066 | for (i = 0; i < count; i++) { | |
2067 | ret = mi_lttng_session(writer, &sessions[i], 0); | |
2068 | if (ret) { | |
2069 | goto end; | |
2070 | } | |
2071 | } | |
2072 | ||
2073 | /* Closing sessions element */ | |
2074 | ret = mi_lttng_writer_close_element(writer); | |
2075 | if (ret) { | |
2076 | goto end; | |
2077 | } | |
2078 | ||
2079 | end: | |
f3ed775e DG |
2080 | return ret; |
2081 | } | |
2082 | ||
2083 | /* | |
9f19cc17 | 2084 | * List available tracing session. List only basic information. |
f3ed775e | 2085 | * |
9f19cc17 | 2086 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 2087 | */ |
9f19cc17 | 2088 | static int list_sessions(const char *session_name) |
f3ed775e | 2089 | { |
fb14d0d8 JR |
2090 | int ret = CMD_SUCCESS; |
2091 | int count, i; | |
9f19cc17 | 2092 | unsigned int session_found = 0; |
aff0fa72 | 2093 | struct lttng_session *sessions = NULL; |
9f19cc17 DG |
2094 | |
2095 | count = lttng_list_sessions(&sessions); | |
2096 | DBG("Session count %d", count); | |
2097 | if (count < 0) { | |
fb14d0d8 JR |
2098 | ret = CMD_ERROR; |
2099 | ERR("%s", lttng_strerror(count)); | |
d32fb093 | 2100 | goto end; |
9f19cc17 DG |
2101 | } |
2102 | ||
fb14d0d8 JR |
2103 | if (lttng_opt_mi) { |
2104 | /* Mi */ | |
2105 | if (session_name == NULL) { | |
aff0fa72 | 2106 | /* List all sessions */ |
fb14d0d8 JR |
2107 | ret = mi_list_sessions(sessions, count); |
2108 | } else { | |
2109 | /* Note : this return an open session element */ | |
2110 | ret = mi_list_session(session_name, sessions, count); | |
2111 | } | |
2112 | if (ret) { | |
2113 | ret = CMD_ERROR; | |
aff0fa72 | 2114 | goto end; |
fb14d0d8 JR |
2115 | } |
2116 | } else { | |
2117 | /* Pretty print */ | |
2118 | if (count == 0) { | |
2119 | MSG("Currently no available tracing session"); | |
fb14d0d8 JR |
2120 | goto end; |
2121 | } | |
9f19cc17 | 2122 | |
fb14d0d8 JR |
2123 | if (session_name == NULL) { |
2124 | MSG("Available tracing sessions:"); | |
2125 | } | |
2126 | ||
fb14d0d8 JR |
2127 | for (i = 0; i < count; i++) { |
2128 | if (session_name != NULL) { | |
2129 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
2130 | session_found = 1; | |
2131 | MSG("Tracing session %s: [%s%s]", session_name, | |
2132 | active_string(sessions[i].enabled), | |
2133 | snapshot_string(sessions[i].snapshot_mode)); | |
5b89fc92 JG |
2134 | if (*sessions[i].path) { |
2135 | MSG("%sTrace output: %s\n", indent4, sessions[i].path); | |
2136 | } | |
e50e81d3 JG |
2137 | memcpy(&listed_session, &sessions[i], |
2138 | sizeof(listed_session)); | |
fb14d0d8 JR |
2139 | break; |
2140 | } | |
2141 | } else { | |
5b89fc92 JG |
2142 | MSG(" %d) %s [%s%s]", i + 1, |
2143 | sessions[i].name, | |
2cbf8fed DG |
2144 | active_string(sessions[i].enabled), |
2145 | snapshot_string(sessions[i].snapshot_mode)); | |
5b89fc92 JG |
2146 | if (*sessions[i].path) { |
2147 | MSG("%sTrace output: %s", indent4, sessions[i].path); | |
2148 | } | |
fcbc96a2 | 2149 | if (sessions[i].live_timer_interval != 0) { |
5b89fc92 JG |
2150 | MSG("%sLive timer interval: %u %s", indent4, |
2151 | sessions[i].live_timer_interval, | |
2152 | USEC_UNIT); | |
fcbc96a2 JG |
2153 | } |
2154 | MSG(""); | |
9f19cc17 | 2155 | } |
fb14d0d8 JR |
2156 | } |
2157 | ||
2158 | if (!session_found && session_name != NULL) { | |
2159 | ERR("Session '%s' not found", session_name); | |
2160 | ret = CMD_ERROR; | |
aff0fa72 | 2161 | goto end; |
fb14d0d8 JR |
2162 | } |
2163 | ||
2164 | if (session_name == NULL) { | |
2165 | MSG("\nUse lttng list <session_name> for more details"); | |
9f19cc17 DG |
2166 | } |
2167 | } | |
2168 | ||
fb14d0d8 | 2169 | end: |
aff0fa72 | 2170 | free(sessions); |
fb14d0d8 JR |
2171 | return ret; |
2172 | } | |
9f19cc17 | 2173 | |
fb14d0d8 JR |
2174 | |
2175 | /* | |
2176 | * Machine Interface | |
2177 | * list available domain(s) for a session. | |
2178 | */ | |
2179 | static int mi_list_domains(struct lttng_domain *domains, int count) | |
2180 | { | |
2181 | int i, ret; | |
2182 | /* Open domains element */ | |
2183 | ret = mi_lttng_domains_open(writer); | |
2184 | if (ret) { | |
2185 | goto end; | |
9f19cc17 DG |
2186 | } |
2187 | ||
fb14d0d8 JR |
2188 | for (i = 0; i < count; i++) { |
2189 | ret = mi_lttng_domain(writer, &domains[i] , 0); | |
2190 | if (ret) { | |
2191 | goto end; | |
2192 | } | |
9f19cc17 | 2193 | } |
f3ed775e | 2194 | |
fb14d0d8 JR |
2195 | /* Closing domains element */ |
2196 | ret = mi_lttng_writer_close_element(writer); | |
2197 | if (ret) { | |
2198 | goto end; | |
2199 | } | |
d32fb093 | 2200 | end: |
f3ed775e DG |
2201 | return ret; |
2202 | } | |
f3ed775e DG |
2203 | |
2204 | /* | |
9f19cc17 | 2205 | * List available domain(s) for a session. |
f3ed775e | 2206 | */ |
330be774 | 2207 | static int list_domains(const char *session_name) |
f3ed775e | 2208 | { |
9f19cc17 DG |
2209 | int i, count, ret = CMD_SUCCESS; |
2210 | struct lttng_domain *domains = NULL; | |
2211 | ||
9f19cc17 | 2212 | |
330be774 | 2213 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 | 2214 | if (count < 0) { |
fb14d0d8 JR |
2215 | ret = CMD_ERROR; |
2216 | ERR("%s", lttng_strerror(count)); | |
9f19cc17 DG |
2217 | goto end; |
2218 | } | |
2219 | ||
fb14d0d8 JR |
2220 | if (lttng_opt_mi) { |
2221 | /* Mi output */ | |
2222 | ret = mi_list_domains(domains, count); | |
2223 | if (ret) { | |
2224 | ret = CMD_ERROR; | |
2225 | goto error; | |
2226 | } | |
2227 | } else { | |
2228 | /* Pretty print */ | |
2229 | MSG("Domains:\n-------------"); | |
2230 | if (count == 0) { | |
2231 | MSG(" None"); | |
2232 | goto end; | |
2233 | } | |
2234 | ||
2235 | for (i = 0; i < count; i++) { | |
2236 | switch (domains[i].type) { | |
2237 | case LTTNG_DOMAIN_KERNEL: | |
2238 | MSG(" - Kernel"); | |
2239 | break; | |
2240 | case LTTNG_DOMAIN_UST: | |
2241 | MSG(" - UST global"); | |
2242 | break; | |
2243 | case LTTNG_DOMAIN_JUL: | |
2244 | MSG(" - JUL (Java Util Logging)"); | |
2245 | break; | |
5cdb6027 DG |
2246 | case LTTNG_DOMAIN_LOG4J: |
2247 | MSG(" - LOG4j (Logging for Java)"); | |
2248 | break; | |
0e115563 DG |
2249 | case LTTNG_DOMAIN_PYTHON: |
2250 | MSG(" - Python (logging)"); | |
2251 | break; | |
fb14d0d8 JR |
2252 | default: |
2253 | break; | |
2254 | } | |
9f19cc17 DG |
2255 | } |
2256 | } | |
2257 | ||
fb14d0d8 | 2258 | error: |
9f19cc17 DG |
2259 | free(domains); |
2260 | ||
fb14d0d8 | 2261 | end: |
9f19cc17 | 2262 | return ret; |
f3ed775e | 2263 | } |
f3ed775e DG |
2264 | |
2265 | /* | |
9f19cc17 | 2266 | * The 'list <options>' first level command |
f3ed775e DG |
2267 | */ |
2268 | int cmd_list(int argc, const char **argv) | |
2269 | { | |
c617c0c6 | 2270 | int opt, ret = CMD_SUCCESS; |
68c7f6e5 | 2271 | const char *session_name, *leftover = NULL; |
f3ed775e | 2272 | static poptContext pc; |
9f19cc17 DG |
2273 | struct lttng_domain domain; |
2274 | struct lttng_domain *domains = NULL; | |
f3ed775e | 2275 | |
441c16a7 MD |
2276 | memset(&domain, 0, sizeof(domain)); |
2277 | ||
9f19cc17 | 2278 | if (argc < 1) { |
ca1c3607 | 2279 | ret = CMD_ERROR; |
f3ed775e DG |
2280 | goto end; |
2281 | } | |
2282 | ||
2283 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
2284 | poptReadDefaultConfig(pc, 0); | |
2285 | ||
2286 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
2287 | switch (opt) { | |
2288 | case OPT_HELP: | |
4ba92f18 | 2289 | SHOW_HELP(); |
f3ed775e | 2290 | goto end; |
eeac7d46 MD |
2291 | case OPT_USERSPACE: |
2292 | opt_userspace = 1; | |
eeac7d46 | 2293 | break; |
679b4943 SM |
2294 | case OPT_LIST_OPTIONS: |
2295 | list_cmd_options(stdout, long_options); | |
679b4943 | 2296 | goto end; |
f3ed775e | 2297 | default: |
f3ed775e DG |
2298 | ret = CMD_UNDEFINED; |
2299 | goto end; | |
2300 | } | |
2301 | } | |
2302 | ||
fb14d0d8 JR |
2303 | /* Mi check */ |
2304 | if (lttng_opt_mi) { | |
2305 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
2306 | if (!writer) { | |
2307 | ret = CMD_ERROR; | |
2308 | goto end; | |
2309 | } | |
2310 | ||
2311 | /* Open command element */ | |
2312 | ret = mi_lttng_writer_command_open(writer, | |
2313 | mi_lttng_element_command_list); | |
2314 | if (ret) { | |
2315 | ret = CMD_ERROR; | |
2316 | goto end; | |
2317 | } | |
2318 | ||
2319 | /* Open output element */ | |
2320 | ret = mi_lttng_writer_open_element(writer, | |
2321 | mi_lttng_element_command_output); | |
2322 | if (ret) { | |
2323 | ret = CMD_ERROR; | |
2324 | goto end; | |
2325 | } | |
2326 | } | |
2327 | ||
9f19cc17 DG |
2328 | /* Get session name (trailing argument) */ |
2329 | session_name = poptGetArg(pc); | |
b551a063 | 2330 | DBG2("Session name: %s", session_name); |
9f19cc17 | 2331 | |
68c7f6e5 JD |
2332 | leftover = poptGetArg(pc); |
2333 | if (leftover) { | |
2334 | ERR("Unknown argument: %s", leftover); | |
2335 | ret = CMD_ERROR; | |
2336 | goto end; | |
2337 | } | |
2338 | ||
cd80958d DG |
2339 | if (opt_kernel) { |
2340 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
2341 | } else if (opt_userspace) { |
2342 | DBG2("Listing userspace global domain"); | |
2343 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
2344 | } else if (opt_jul) { |
2345 | DBG2("Listing JUL domain"); | |
2346 | domain.type = LTTNG_DOMAIN_JUL; | |
edf60534 | 2347 | } else if (opt_log4j) { |
5cdb6027 | 2348 | domain.type = LTTNG_DOMAIN_LOG4J; |
0e115563 DG |
2349 | } else if (opt_python) { |
2350 | domain.type = LTTNG_DOMAIN_PYTHON; | |
cd80958d DG |
2351 | } |
2352 | ||
834978fd DG |
2353 | if (!opt_kernel && opt_syscall) { |
2354 | WARN("--syscall will only work with the Kernel domain (-k)"); | |
2355 | ret = CMD_ERROR; | |
2356 | goto end; | |
2357 | } | |
2358 | ||
0e115563 | 2359 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_python) { |
aa5de748 MD |
2360 | handle = lttng_create_handle(session_name, &domain); |
2361 | if (handle == NULL) { | |
2362 | ret = CMD_FATAL; | |
2363 | goto end; | |
2364 | } | |
cd80958d DG |
2365 | } |
2366 | ||
9f19cc17 | 2367 | if (session_name == NULL) { |
0e115563 DG |
2368 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j |
2369 | && !opt_python) { | |
b551a063 | 2370 | ret = list_sessions(NULL); |
fb14d0d8 | 2371 | if (ret) { |
b551a063 DG |
2372 | goto end; |
2373 | } | |
2374 | } | |
9f19cc17 | 2375 | if (opt_kernel) { |
834978fd DG |
2376 | if (opt_syscall) { |
2377 | ret = list_syscalls(); | |
2378 | if (ret) { | |
2379 | goto end; | |
2380 | } | |
2381 | } else { | |
2382 | ret = list_kernel_events(); | |
2383 | if (ret) { | |
2384 | goto end; | |
2385 | } | |
9f19cc17 | 2386 | } |
b551a063 DG |
2387 | } |
2388 | if (opt_userspace) { | |
f37d259d MD |
2389 | if (opt_fields) { |
2390 | ret = list_ust_event_fields(); | |
2391 | } else { | |
2392 | ret = list_ust_events(); | |
2393 | } | |
fb14d0d8 | 2394 | if (ret) { |
9f19cc17 DG |
2395 | goto end; |
2396 | } | |
2397 | } | |
0e115563 | 2398 | if (opt_jul || opt_log4j || opt_python) { |
5cdb6027 | 2399 | ret = list_agent_events(); |
fb14d0d8 | 2400 | if (ret) { |
3c6a091f DG |
2401 | goto end; |
2402 | } | |
2403 | } | |
9f19cc17 DG |
2404 | } else { |
2405 | /* List session attributes */ | |
fb14d0d8 JR |
2406 | if (lttng_opt_mi) { |
2407 | /* Open element sessions | |
2408 | * Present for xml consistency */ | |
2409 | ret = mi_lttng_sessions_open(writer); | |
2410 | if (ret) { | |
2411 | goto end; | |
2412 | } | |
2413 | } | |
2414 | /* MI: the ouptut of list_sessions is an unclosed session element */ | |
9f19cc17 | 2415 | ret = list_sessions(session_name); |
fb14d0d8 | 2416 | if (ret) { |
9f19cc17 DG |
2417 | goto end; |
2418 | } | |
2419 | ||
329f3443 JD |
2420 | ret = list_rotate_settings(session_name); |
2421 | if (ret) { | |
2422 | goto end; | |
2423 | } | |
2424 | ||
9f19cc17 DG |
2425 | /* Domain listing */ |
2426 | if (opt_domain) { | |
330be774 | 2427 | ret = list_domains(session_name); |
9f19cc17 DG |
2428 | goto end; |
2429 | } | |
2430 | ||
fb14d0d8 | 2431 | /* Channel listing */ |
1c3de747 | 2432 | if (opt_kernel || opt_userspace) { |
fb14d0d8 JR |
2433 | if (lttng_opt_mi) { |
2434 | /* Add of domains and domain element for xml | |
2435 | * consistency and validation | |
2436 | */ | |
2437 | ret = mi_lttng_domains_open(writer); | |
2438 | if (ret) { | |
2439 | goto end; | |
2440 | } | |
2441 | ||
2442 | /* Open domain and leave it open for | |
2443 | * nested channels printing */ | |
2444 | ret = mi_lttng_domain(writer, &domain, 1); | |
2445 | if (ret) { | |
2446 | goto end; | |
2447 | } | |
2448 | ||
2449 | } | |
2450 | ||
ebbf5ab7 JR |
2451 | |
2452 | /* Trackers */ | |
83d6d6c4 | 2453 | ret = list_trackers(&domain); |
a5dfbb9d MD |
2454 | if (ret) { |
2455 | goto end; | |
2456 | } | |
2457 | ||
ebbf5ab7 | 2458 | /* Channels */ |
cd80958d | 2459 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
2460 | if (ret) { |
2461 | goto end; | |
2462 | } | |
2463 | ||
2464 | if (lttng_opt_mi) { | |
2465 | /* Close domain and domain element */ | |
2466 | ret = mi_lttng_close_multi_element(writer, 2); | |
2467 | } | |
2468 | if (ret) { | |
9f19cc17 DG |
2469 | goto end; |
2470 | } | |
fb14d0d8 JR |
2471 | |
2472 | ||
9f19cc17 | 2473 | } else { |
c617c0c6 MD |
2474 | int i, nb_domain; |
2475 | ||
9f19cc17 | 2476 | /* We want all domain(s) */ |
330be774 | 2477 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 2478 | if (nb_domain < 0) { |
fb14d0d8 JR |
2479 | ret = CMD_ERROR; |
2480 | ERR("%s", lttng_strerror(nb_domain)); | |
9f19cc17 DG |
2481 | goto end; |
2482 | } | |
2483 | ||
fb14d0d8 JR |
2484 | if (lttng_opt_mi) { |
2485 | ret = mi_lttng_domains_open(writer); | |
2486 | if (ret) { | |
2487 | ret = CMD_ERROR; | |
2488 | goto end; | |
2489 | } | |
2490 | } | |
2491 | ||
b551a063 | 2492 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
2493 | switch (domains[i].type) { |
2494 | case LTTNG_DOMAIN_KERNEL: | |
3d4bdb30 | 2495 | MSG("=== Domain: Linux kernel ===\n"); |
9f19cc17 | 2496 | break; |
b551a063 | 2497 | case LTTNG_DOMAIN_UST: |
3d4bdb30 | 2498 | MSG("=== Domain: User space ===\n"); |
6d86df12 | 2499 | MSG("Buffering scheme: %s\n", |
88c5f0d8 | 2500 | domains[i].buf_type == |
6d86df12 | 2501 | LTTNG_BUFFER_PER_PID ? "per-process" : "per-user"); |
b551a063 | 2502 | break; |
3c6a091f | 2503 | case LTTNG_DOMAIN_JUL: |
3d4bdb30 | 2504 | MSG("=== Domain: java.util.logging (JUL) ===\n"); |
3c6a091f | 2505 | break; |
5cdb6027 | 2506 | case LTTNG_DOMAIN_LOG4J: |
3d4bdb30 | 2507 | MSG("=== Domain: log4j ===\n"); |
5cdb6027 | 2508 | break; |
0e115563 | 2509 | case LTTNG_DOMAIN_PYTHON: |
3d4bdb30 | 2510 | MSG("=== Domain: Python logging ===\n"); |
0e115563 | 2511 | break; |
9f19cc17 DG |
2512 | default: |
2513 | MSG("=== Domain: Unimplemented ===\n"); | |
2514 | break; | |
2515 | } | |
2516 | ||
fb14d0d8 JR |
2517 | if (lttng_opt_mi) { |
2518 | ret = mi_lttng_domain(writer, &domains[i], 1); | |
2519 | if (ret) { | |
2520 | ret = CMD_ERROR; | |
2521 | goto end; | |
2522 | } | |
2523 | } | |
2524 | ||
cd80958d | 2525 | /* Clean handle before creating a new one */ |
aa5de748 MD |
2526 | if (handle) { |
2527 | lttng_destroy_handle(handle); | |
2528 | } | |
cd80958d DG |
2529 | |
2530 | handle = lttng_create_handle(session_name, &domains[i]); | |
2531 | if (handle == NULL) { | |
ca1c3607 | 2532 | ret = CMD_FATAL; |
cd80958d DG |
2533 | goto end; |
2534 | } | |
2535 | ||
5cdb6027 | 2536 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
0e115563 DG |
2537 | domains[i].type == LTTNG_DOMAIN_LOG4J || |
2538 | domains[i].type == LTTNG_DOMAIN_PYTHON) { | |
5cdb6027 | 2539 | ret = list_session_agent_events(); |
fb14d0d8 | 2540 | if (ret) { |
3c6a091f DG |
2541 | goto end; |
2542 | } | |
cd7b2927 PP |
2543 | |
2544 | goto next_domain; | |
3c6a091f | 2545 | } |
a5dfbb9d MD |
2546 | |
2547 | switch (domains[i].type) { | |
2548 | case LTTNG_DOMAIN_KERNEL: | |
2549 | case LTTNG_DOMAIN_UST: | |
83d6d6c4 | 2550 | ret = list_trackers(&domains[i]); |
a5dfbb9d MD |
2551 | if (ret) { |
2552 | goto end; | |
2553 | } | |
2554 | break; | |
2555 | default: | |
2556 | break; | |
2557 | } | |
3c6a091f | 2558 | |
cd80958d | 2559 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
2560 | if (ret) { |
2561 | goto end; | |
2562 | } | |
2563 | ||
cd7b2927 | 2564 | next_domain: |
fb14d0d8 JR |
2565 | if (lttng_opt_mi) { |
2566 | /* Close domain element */ | |
2567 | ret = mi_lttng_writer_close_element(writer); | |
2568 | if (ret) { | |
2569 | ret = CMD_ERROR; | |
2570 | goto end; | |
2571 | } | |
2572 | } | |
2573 | ||
2574 | } | |
2575 | if (lttng_opt_mi) { | |
2576 | /* Close the domains, session and sessions element */ | |
2577 | ret = mi_lttng_close_multi_element(writer, 3); | |
2578 | if (ret) { | |
2579 | ret = CMD_ERROR; | |
9f19cc17 DG |
2580 | goto end; |
2581 | } | |
2582 | } | |
2583 | } | |
f3ed775e DG |
2584 | } |
2585 | ||
fb14d0d8 JR |
2586 | /* Mi closing */ |
2587 | if (lttng_opt_mi) { | |
2588 | /* Close output element */ | |
2589 | ret = mi_lttng_writer_close_element(writer); | |
2590 | if (ret) { | |
2591 | ret = CMD_ERROR; | |
2592 | goto end; | |
2593 | } | |
2594 | ||
2595 | /* Command element close */ | |
2596 | ret = mi_lttng_writer_command_close(writer); | |
2597 | if (ret) { | |
2598 | ret = CMD_ERROR; | |
2599 | goto end; | |
2600 | } | |
2601 | } | |
f3ed775e | 2602 | end: |
fb14d0d8 JR |
2603 | /* Mi clean-up */ |
2604 | if (writer && mi_lttng_writer_destroy(writer)) { | |
2605 | /* Preserve original error code */ | |
2606 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
2607 | } | |
2608 | ||
0e428499 | 2609 | free(domains); |
aa5de748 MD |
2610 | if (handle) { |
2611 | lttng_destroy_handle(handle); | |
2612 | } | |
cd80958d | 2613 | |
ca1c3607 | 2614 | poptFreeContext(pc); |
f3ed775e DG |
2615 | return ret; |
2616 | } |