Commit | Line | Data |
---|---|---|
f3ed775e | 1 | /* |
ab5be9fa | 2 | * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca> |
159b042f | 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 | ||
159b042f | 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> |
159b042f | 20 | #include <common/tracker.h> |
050dd639 | 21 | #include <lttng/lttng.h> |
ebdb334b | 22 | #include <lttng/map/map.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 | 31 | static char *opt_channel; |
ebdb334b | 32 | static char *opt_map; |
9f19cc17 | 33 | static int opt_domain; |
f37d259d | 34 | static int opt_fields; |
834978fd | 35 | static int opt_syscall; |
9f19cc17 DG |
36 | |
37 | const char *indent4 = " "; | |
38 | const char *indent6 = " "; | |
39 | const char *indent8 = " "; | |
f3ed775e | 40 | |
4fc83d94 PP |
41 | #ifdef LTTNG_EMBED_HELP |
42 | static const char help_msg[] = | |
43 | #include <lttng-list.1.h> | |
44 | ; | |
45 | #endif | |
46 | ||
f3ed775e DG |
47 | enum { |
48 | OPT_HELP = 1, | |
eeac7d46 | 49 | OPT_USERSPACE, |
679b4943 | 50 | OPT_LIST_OPTIONS, |
f3ed775e DG |
51 | }; |
52 | ||
cd80958d | 53 | static struct lttng_handle *handle; |
fb14d0d8 | 54 | static struct mi_writer *writer; |
cd80958d | 55 | |
e50e81d3 JG |
56 | /* Only set when listing a single session. */ |
57 | static struct lttng_session listed_session; | |
58 | ||
f3ed775e DG |
59 | static struct poptOption long_options[] = { |
60 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
2fa605f7 JG |
61 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, |
62 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, | |
63 | {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0}, | |
64 | {"log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0}, | |
65 | {"python", 'p', POPT_ARG_VAL, &opt_python, 1, 0, 0}, | |
66 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, | |
67 | {"channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0}, | |
ebdb334b | 68 | {"map", 'm', POPT_ARG_STRING, &opt_map, 0, 0, 0}, |
2fa605f7 JG |
69 | {"domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0}, |
70 | {"fields", 'f', POPT_ARG_VAL, &opt_fields, 1, 0, 0}, | |
71 | {"syscall", 'S', POPT_ARG_VAL, &opt_syscall, 1, 0, 0}, | |
679b4943 | 72 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
f3ed775e DG |
73 | {0, 0, 0, 0, 0, 0, 0} |
74 | }; | |
75 | ||
f3ed775e | 76 | /* |
9f19cc17 | 77 | * Get command line from /proc for a specific pid. |
f3ed775e | 78 | * |
9f19cc17 DG |
79 | * On success, return an allocated string pointer to the proc cmdline. |
80 | * On error, return NULL. | |
f3ed775e DG |
81 | */ |
82 | static char *get_cmdline_by_pid(pid_t pid) | |
83 | { | |
84 | int ret; | |
1ad31aec | 85 | FILE *fp = NULL; |
f3ed775e | 86 | char *cmdline = NULL; |
fae9a062 JG |
87 | /* Can't go bigger than /proc/LTTNG_MAX_PID/cmdline */ |
88 | char path[sizeof("/proc//cmdline") + sizeof(LTTNG_MAX_PID_STR) - 1]; | |
f3ed775e DG |
89 | |
90 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); | |
91 | fp = fopen(path, "r"); | |
92 | if (fp == NULL) { | |
93 | goto end; | |
94 | } | |
95 | ||
96 | /* Caller must free() *cmdline */ | |
63a2c1bd | 97 | cmdline = zmalloc(PATH_MAX); |
f6962219 | 98 | if (!cmdline) { |
6f04ed72 | 99 | PERROR("malloc cmdline"); |
f6962219 JG |
100 | goto end; |
101 | } | |
f3ed775e | 102 | ret = fread(cmdline, 1, PATH_MAX, fp); |
f40799e8 | 103 | if (ret < 0) { |
6f04ed72 | 104 | PERROR("fread proc list"); |
f40799e8 | 105 | } |
f3ed775e DG |
106 | |
107 | end: | |
1ad31aec DG |
108 | if (fp) { |
109 | fclose(fp); | |
110 | } | |
f3ed775e DG |
111 | return cmdline; |
112 | } | |
b551a063 | 113 | |
464dd62d MD |
114 | static |
115 | const char *active_string(int value) | |
116 | { | |
117 | switch (value) { | |
2cbf8fed DG |
118 | case 0: return "inactive"; |
119 | case 1: return "active"; | |
464dd62d MD |
120 | case -1: return ""; |
121 | default: return NULL; | |
122 | } | |
123 | } | |
124 | ||
2cbf8fed DG |
125 | static const char *snapshot_string(int value) |
126 | { | |
127 | switch (value) { | |
128 | case 1: | |
129 | return " snapshot"; | |
130 | default: | |
131 | return ""; | |
132 | } | |
133 | } | |
134 | ||
464dd62d MD |
135 | static |
136 | const char *enabled_string(int value) | |
137 | { | |
138 | switch (value) { | |
b09f0429 MD |
139 | case 0: return " [disabled]"; |
140 | case 1: return " [enabled]"; | |
464dd62d MD |
141 | case -1: return ""; |
142 | default: return NULL; | |
143 | } | |
144 | } | |
145 | ||
fceb65df | 146 | static |
7b4a95b1 | 147 | const char *safe_string(const char *str) |
fceb65df | 148 | { |
7b4a95b1 | 149 | return str ? str : ""; |
4634f12e JI |
150 | } |
151 | ||
1f0e17de DG |
152 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
153 | { | |
154 | switch (value) { | |
af6bce80 DG |
155 | case LTTNG_EVENT_LOGLEVEL_ALL: |
156 | return ":"; | |
1f0e17de | 157 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
af6bce80 | 158 | return " <="; |
1f0e17de | 159 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
af6bce80 | 160 | return " =="; |
1f0e17de | 161 | default: |
af6bce80 | 162 | return " <<TYPE UNKN>>"; |
1f0e17de DG |
163 | } |
164 | } | |
165 | ||
834978fd DG |
166 | static const char *bitness_event(enum lttng_event_flag flags) |
167 | { | |
168 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_32) { | |
169 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
170 | return " [32/64-bit]"; | |
171 | } else { | |
172 | return " [32-bit]"; | |
173 | } | |
174 | } else if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
175 | return " [64-bit]"; | |
176 | } else { | |
177 | return ""; | |
178 | } | |
179 | } | |
180 | ||
7b4a95b1 PP |
181 | /* |
182 | * Get exclusion names message for a single event. | |
183 | * | |
184 | * Returned pointer must be freed by caller. Returns NULL on error. | |
185 | */ | |
186 | static char *get_exclusion_names_msg(struct lttng_event *event) | |
187 | { | |
188 | int ret; | |
189 | int exclusion_count; | |
190 | char *exclusion_msg = NULL; | |
191 | char *at; | |
7b4a95b1 PP |
192 | size_t i; |
193 | const char * const exclusion_fmt = " [exclusions: "; | |
19ed7632 | 194 | const size_t exclusion_fmt_len = strlen(exclusion_fmt); |
7b4a95b1 PP |
195 | |
196 | exclusion_count = lttng_event_get_exclusion_name_count(event); | |
197 | if (exclusion_count < 0) { | |
198 | goto end; | |
199 | } else if (exclusion_count == 0) { | |
200 | /* | |
201 | * No exclusions: return copy of empty string so that | |
202 | * it can be freed by caller. | |
203 | */ | |
204 | exclusion_msg = strdup(""); | |
205 | goto end; | |
206 | } | |
207 | ||
208 | /* | |
209 | * exclusion_msg's size is bounded by the exclusion_fmt string, | |
210 | * a comma per entry, the entry count (fixed-size), a closing | |
211 | * bracket, and a trailing \0. | |
212 | */ | |
213 | exclusion_msg = malloc(exclusion_count + | |
214 | exclusion_count * LTTNG_SYMBOL_NAME_LEN + | |
19ed7632 | 215 | exclusion_fmt_len + 1); |
7b4a95b1 PP |
216 | if (!exclusion_msg) { |
217 | goto end; | |
218 | } | |
219 | ||
19ed7632 | 220 | at = strcpy(exclusion_msg, exclusion_fmt) + exclusion_fmt_len; |
7b4a95b1 PP |
221 | for (i = 0; i < exclusion_count; ++i) { |
222 | const char *name; | |
223 | ||
224 | /* Append comma between exclusion names */ | |
225 | if (i > 0) { | |
226 | *at = ','; | |
227 | at++; | |
228 | } | |
229 | ||
230 | ret = lttng_event_get_exclusion_name(event, i, &name); | |
231 | if (ret) { | |
232 | /* Prints '?' on local error; should never happen */ | |
233 | *at = '?'; | |
234 | at++; | |
235 | continue; | |
236 | } | |
237 | ||
238 | /* Append exclusion name */ | |
31e40170 | 239 | at += sprintf(at, "%s", name); |
7b4a95b1 PP |
240 | } |
241 | ||
242 | /* This also puts a final '\0' at the end of exclusion_msg */ | |
19ed7632 | 243 | strcpy(at, "]"); |
7b4a95b1 PP |
244 | |
245 | end: | |
246 | return exclusion_msg; | |
247 | } | |
248 | ||
b955b4d4 FD |
249 | static void print_userspace_probe_location(struct lttng_event *event) |
250 | { | |
87597c2c JG |
251 | const struct lttng_userspace_probe_location *location; |
252 | const struct lttng_userspace_probe_location_lookup_method *lookup_method; | |
b955b4d4 FD |
253 | enum lttng_userspace_probe_location_lookup_method_type lookup_type; |
254 | ||
255 | location = lttng_event_get_userspace_probe_location(event); | |
256 | if (!location) { | |
257 | MSG("Event has no userspace probe location"); | |
258 | return; | |
259 | } | |
260 | ||
261 | lookup_method = lttng_userspace_probe_location_get_lookup_method(location); | |
262 | if (!lookup_method) { | |
263 | MSG("Event has no userspace probe location lookup method"); | |
264 | return; | |
265 | } | |
266 | ||
267 | MSG("%s%s (type: userspace-probe)%s", indent6, event->name, enabled_string(event->enabled)); | |
268 | ||
269 | lookup_type = lttng_userspace_probe_location_lookup_method_get_type(lookup_method); | |
270 | ||
271 | switch (lttng_userspace_probe_location_get_type(location)) { | |
272 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_UNKNOWN: | |
273 | MSG("%sType: Unknown", indent8); | |
274 | break; | |
275 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION: | |
276 | { | |
277 | const char *function_name; | |
4df1f2d4 | 278 | char *binary_path; |
b955b4d4 FD |
279 | |
280 | MSG("%sType: Function", indent8); | |
281 | function_name = lttng_userspace_probe_location_function_get_function_name(location); | |
282 | binary_path = realpath(lttng_userspace_probe_location_function_get_binary_path(location), NULL); | |
283 | ||
284 | MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL"); | |
285 | MSG("%sFunction: %s()", indent8, function_name ? function_name : "NULL"); | |
286 | switch (lookup_type) { | |
287 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF: | |
288 | MSG("%sLookup method: ELF", indent8); | |
289 | break; | |
290 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_DEFAULT: | |
291 | MSG("%sLookup method: default", indent8); | |
292 | break; | |
293 | default: | |
294 | MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8); | |
295 | break; | |
296 | } | |
4df1f2d4 JG |
297 | |
298 | free(binary_path); | |
b955b4d4 FD |
299 | break; |
300 | } | |
301 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT: | |
302 | { | |
303 | const char *probe_name, *provider_name; | |
4df1f2d4 | 304 | char *binary_path; |
b955b4d4 FD |
305 | |
306 | MSG("%sType: Tracepoint", indent8); | |
307 | probe_name = lttng_userspace_probe_location_tracepoint_get_probe_name(location); | |
308 | provider_name = lttng_userspace_probe_location_tracepoint_get_provider_name(location); | |
309 | binary_path = realpath(lttng_userspace_probe_location_tracepoint_get_binary_path(location), NULL); | |
310 | MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL"); | |
311 | MSG("%sTracepoint: %s:%s", indent8, provider_name ? provider_name : "NULL", probe_name ? probe_name : "NULL"); | |
312 | switch (lookup_type) { | |
313 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_TRACEPOINT_SDT: | |
314 | MSG("%sLookup method: SDT", indent8); | |
315 | break; | |
316 | default: | |
317 | MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8); | |
318 | break; | |
319 | } | |
4df1f2d4 JG |
320 | |
321 | free(binary_path); | |
b955b4d4 FD |
322 | break; |
323 | } | |
324 | default: | |
325 | ERR("Invalid probe type encountered"); | |
326 | } | |
327 | } | |
328 | ||
b551a063 DG |
329 | /* |
330 | * Pretty print single event. | |
331 | */ | |
332 | static void print_events(struct lttng_event *event) | |
333 | { | |
4adbcc72 PP |
334 | int ret; |
335 | const char *filter_str; | |
336 | char *filter_msg = NULL; | |
7b4a95b1 | 337 | char *exclusion_msg = NULL; |
4adbcc72 | 338 | |
134e72ed | 339 | ret = lttng_event_get_filter_expression(event, &filter_str); |
4adbcc72 PP |
340 | |
341 | if (ret) { | |
342 | filter_msg = strdup(" [failed to retrieve filter]"); | |
343 | } else if (filter_str) { | |
344 | const char * const filter_fmt = " [filter: '%s']"; | |
345 | ||
346 | filter_msg = malloc(strlen(filter_str) + | |
347 | strlen(filter_fmt) + 1); | |
348 | if (filter_msg) { | |
349 | sprintf(filter_msg, filter_fmt, | |
350 | filter_str); | |
351 | } | |
352 | } | |
353 | ||
7b4a95b1 PP |
354 | exclusion_msg = get_exclusion_names_msg(event); |
355 | if (!exclusion_msg) { | |
356 | exclusion_msg = strdup(" [failed to retrieve exclusions]"); | |
357 | } | |
358 | ||
b551a063 DG |
359 | switch (event->type) { |
360 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 361 | { |
8b703175 | 362 | if (event->loglevel != -1) { |
af6bce80 | 363 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
8b703175 | 364 | indent6, |
81afa345 | 365 | event->name, |
1f0e17de | 366 | logleveltype_string(event->loglevel_type), |
970d848b | 367 | mi_lttng_loglevel_string(event->loglevel, handle->domain.type), |
8b703175 | 368 | event->loglevel, |
fceb65df | 369 | enabled_string(event->enabled), |
7b4a95b1 PP |
370 | safe_string(exclusion_msg), |
371 | safe_string(filter_msg)); | |
8b703175 | 372 | } else { |
4634f12e | 373 | MSG("%s%s (type: tracepoint)%s%s%s", |
8b703175 MD |
374 | indent6, |
375 | event->name, | |
fceb65df | 376 | enabled_string(event->enabled), |
7b4a95b1 PP |
377 | safe_string(exclusion_msg), |
378 | safe_string(filter_msg)); | |
8b703175 | 379 | } |
b551a063 | 380 | break; |
e4baff1e | 381 | } |
1896972b DG |
382 | case LTTNG_EVENT_FUNCTION: |
383 | MSG("%s%s (type: function)%s%s", indent6, | |
384 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 385 | safe_string(filter_msg)); |
1896972b DG |
386 | if (event->attr.probe.addr != 0) { |
387 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
388 | } else { | |
389 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
390 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
391 | } | |
392 | break; | |
b551a063 | 393 | case LTTNG_EVENT_PROBE: |
fceb65df MD |
394 | MSG("%s%s (type: probe)%s%s", indent6, |
395 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 396 | safe_string(filter_msg)); |
b551a063 DG |
397 | if (event->attr.probe.addr != 0) { |
398 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
399 | } else { | |
400 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
401 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
402 | } | |
403 | break; | |
b955b4d4 FD |
404 | case LTTNG_EVENT_USERSPACE_PROBE: |
405 | print_userspace_probe_location(event); | |
406 | break; | |
b551a063 | 407 | case LTTNG_EVENT_FUNCTION_ENTRY: |
fceb65df MD |
408 | MSG("%s%s (type: function)%s%s", indent6, |
409 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 410 | safe_string(filter_msg)); |
b551a063 DG |
411 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
412 | break; | |
413 | case LTTNG_EVENT_SYSCALL: | |
2199ad66 | 414 | MSG("%s%s%s%s%s%s", indent6, event->name, |
834978fd | 415 | (opt_syscall ? "" : " (type:syscall)"), |
fceb65df | 416 | enabled_string(event->enabled), |
2199ad66 JG |
417 | bitness_event(event->flags), |
418 | safe_string(filter_msg)); | |
b551a063 DG |
419 | break; |
420 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
421 | MSG("%s (type: noop)%s%s", indent6, |
422 | enabled_string(event->enabled), | |
7b4a95b1 | 423 | safe_string(filter_msg)); |
b551a063 DG |
424 | break; |
425 | case LTTNG_EVENT_ALL: | |
410b78a0 FD |
426 | /* Fall-through. */ |
427 | default: | |
b551a063 DG |
428 | /* We should never have "all" events in list. */ |
429 | assert(0); | |
430 | break; | |
431 | } | |
4adbcc72 PP |
432 | |
433 | free(filter_msg); | |
7b4a95b1 | 434 | free(exclusion_msg); |
b551a063 DG |
435 | } |
436 | ||
f37d259d MD |
437 | static const char *field_type(struct lttng_event_field *field) |
438 | { | |
439 | switch(field->type) { | |
440 | case LTTNG_EVENT_FIELD_INTEGER: | |
441 | return "integer"; | |
442 | case LTTNG_EVENT_FIELD_ENUM: | |
443 | return "enum"; | |
444 | case LTTNG_EVENT_FIELD_FLOAT: | |
445 | return "float"; | |
446 | case LTTNG_EVENT_FIELD_STRING: | |
447 | return "string"; | |
448 | case LTTNG_EVENT_FIELD_OTHER: | |
449 | default: /* fall-through */ | |
450 | return "unknown"; | |
451 | } | |
452 | } | |
453 | ||
454 | /* | |
455 | * Pretty print single event fields. | |
456 | */ | |
457 | static void print_event_field(struct lttng_event_field *field) | |
458 | { | |
459 | if (!field->field_name[0]) { | |
460 | return; | |
461 | } | |
d8fbe2a9 | 462 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 463 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
464 | } |
465 | ||
fb14d0d8 JR |
466 | /* |
467 | * Machine interface | |
468 | * Jul and ust event listing | |
469 | */ | |
5cdb6027 | 470 | static int mi_list_agent_ust_events(struct lttng_event *events, int count, |
fb14d0d8 JR |
471 | struct lttng_domain *domain) |
472 | { | |
473 | int ret, i; | |
474 | pid_t cur_pid = 0; | |
475 | char *cmdline = NULL; | |
476 | int pid_element_open = 0; | |
477 | ||
478 | /* Open domains element */ | |
479 | ret = mi_lttng_domains_open(writer); | |
480 | if (ret) { | |
481 | goto end; | |
482 | } | |
483 | ||
484 | /* Write domain */ | |
485 | ret = mi_lttng_domain(writer, domain, 1); | |
486 | if (ret) { | |
487 | goto end; | |
488 | } | |
489 | ||
bf239d4c JR |
490 | /* Open pids element element */ |
491 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
492 | if (ret) { |
493 | goto end; | |
494 | } | |
495 | ||
496 | for (i = 0; i < count; i++) { | |
497 | if (cur_pid != events[i].pid) { | |
498 | if (pid_element_open) { | |
2e9aecb9 | 499 | /* Close the previous events and pid element */ |
fb14d0d8 JR |
500 | ret = mi_lttng_close_multi_element(writer, 2); |
501 | if (ret) { | |
502 | goto end; | |
503 | } | |
504 | pid_element_open = 0; | |
505 | } | |
506 | ||
507 | cur_pid = events[i].pid; | |
508 | cmdline = get_cmdline_by_pid(cur_pid); | |
509 | if (!cmdline) { | |
510 | ret = CMD_ERROR; | |
511 | goto end; | |
512 | } | |
513 | ||
514 | if (!pid_element_open) { | |
515 | /* Open and write a pid element */ | |
bf239d4c | 516 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); |
fb14d0d8 JR |
517 | if (ret) { |
518 | goto error; | |
519 | } | |
520 | ||
521 | /* Open events element */ | |
522 | ret = mi_lttng_events_open(writer); | |
523 | if (ret) { | |
524 | goto error; | |
525 | } | |
526 | ||
527 | pid_element_open = 1; | |
528 | } | |
529 | free(cmdline); | |
530 | } | |
531 | ||
532 | /* Write an event */ | |
970d848b | 533 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
534 | if (ret) { |
535 | goto end; | |
536 | } | |
537 | } | |
538 | ||
bf239d4c | 539 | /* Close pids */ |
fb14d0d8 JR |
540 | ret = mi_lttng_writer_close_element(writer); |
541 | if (ret) { | |
542 | goto end; | |
543 | } | |
544 | ||
545 | /* Close domain, domains */ | |
546 | ret = mi_lttng_close_multi_element(writer, 2); | |
547 | end: | |
548 | return ret; | |
549 | error: | |
550 | free(cmdline); | |
551 | return ret; | |
552 | } | |
553 | ||
5cdb6027 | 554 | static int list_agent_events(void) |
3c6a091f | 555 | { |
fb14d0d8 | 556 | int i, size, ret = CMD_SUCCESS; |
3c6a091f | 557 | struct lttng_domain domain; |
26c610c9 | 558 | struct lttng_handle *handle = NULL; |
469b972b | 559 | struct lttng_event *event_list = NULL; |
3c6a091f DG |
560 | pid_t cur_pid = 0; |
561 | char *cmdline = NULL; | |
5cdb6027 | 562 | const char *agent_domain_str; |
3c6a091f DG |
563 | |
564 | memset(&domain, 0, sizeof(domain)); | |
5cdb6027 DG |
565 | if (opt_jul) { |
566 | domain.type = LTTNG_DOMAIN_JUL; | |
567 | } else if (opt_log4j) { | |
568 | domain.type = LTTNG_DOMAIN_LOG4J; | |
0e115563 DG |
569 | } else if (opt_python) { |
570 | domain.type = LTTNG_DOMAIN_PYTHON; | |
26c610c9 JG |
571 | } else { |
572 | ERR("Invalid agent domain selected."); | |
573 | ret = CMD_ERROR; | |
574 | goto error; | |
5cdb6027 DG |
575 | } |
576 | ||
577 | agent_domain_str = get_domain_str(domain.type); | |
578 | ||
579 | DBG("Getting %s tracing events", agent_domain_str); | |
3c6a091f DG |
580 | |
581 | handle = lttng_create_handle(NULL, &domain); | |
582 | if (handle == NULL) { | |
fb14d0d8 JR |
583 | ret = CMD_ERROR; |
584 | goto end; | |
3c6a091f DG |
585 | } |
586 | ||
587 | size = lttng_list_tracepoints(handle, &event_list); | |
588 | if (size < 0) { | |
5cdb6027 DG |
589 | ERR("Unable to list %s events: %s", agent_domain_str, |
590 | lttng_strerror(size)); | |
fb14d0d8 JR |
591 | ret = CMD_ERROR; |
592 | goto end; | |
3c6a091f DG |
593 | } |
594 | ||
fb14d0d8 JR |
595 | if (lttng_opt_mi) { |
596 | /* Mi print */ | |
5cdb6027 | 597 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
598 | if (ret) { |
599 | ret = CMD_ERROR; | |
600 | goto error; | |
3c6a091f | 601 | } |
fb14d0d8 JR |
602 | } else { |
603 | /* Pretty print */ | |
5cdb6027 DG |
604 | MSG("%s events (Logger name):\n-------------------------", |
605 | agent_domain_str); | |
3c6a091f | 606 | |
fb14d0d8 JR |
607 | if (size == 0) { |
608 | MSG("None"); | |
609 | } | |
3c6a091f | 610 | |
fb14d0d8 JR |
611 | for (i = 0; i < size; i++) { |
612 | if (cur_pid != event_list[i].pid) { | |
613 | cur_pid = event_list[i].pid; | |
614 | cmdline = get_cmdline_by_pid(cur_pid); | |
615 | if (cmdline == NULL) { | |
616 | ret = CMD_ERROR; | |
617 | goto error; | |
618 | } | |
619 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
620 | free(cmdline); | |
621 | } | |
622 | MSG("%s- %s", indent6, event_list[i].name); | |
623 | } | |
3c6a091f | 624 | |
fb14d0d8 JR |
625 | MSG(""); |
626 | } | |
3c6a091f DG |
627 | |
628 | error: | |
fb14d0d8 JR |
629 | free(event_list); |
630 | end: | |
3c6a091f | 631 | lttng_destroy_handle(handle); |
fb14d0d8 | 632 | return ret; |
3c6a091f DG |
633 | } |
634 | ||
b551a063 DG |
635 | /* |
636 | * Ask session daemon for all user space tracepoints available. | |
637 | */ | |
638 | static int list_ust_events(void) | |
639 | { | |
fb14d0d8 | 640 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
641 | struct lttng_domain domain; |
642 | struct lttng_handle *handle; | |
bec97646 | 643 | struct lttng_event *event_list = NULL; |
b551a063 | 644 | pid_t cur_pid = 0; |
ea5cbc00 | 645 | char *cmdline = NULL; |
b551a063 | 646 | |
441c16a7 MD |
647 | memset(&domain, 0, sizeof(domain)); |
648 | ||
b551a063 DG |
649 | DBG("Getting UST tracing events"); |
650 | ||
651 | domain.type = LTTNG_DOMAIN_UST; | |
652 | ||
653 | handle = lttng_create_handle(NULL, &domain); | |
654 | if (handle == NULL) { | |
fb14d0d8 JR |
655 | ret = CMD_ERROR; |
656 | goto end; | |
b551a063 DG |
657 | } |
658 | ||
659 | size = lttng_list_tracepoints(handle, &event_list); | |
660 | if (size < 0) { | |
60e835ca | 661 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
fb14d0d8 JR |
662 | ret = CMD_ERROR; |
663 | goto error; | |
b551a063 DG |
664 | } |
665 | ||
fb14d0d8 JR |
666 | if (lttng_opt_mi) { |
667 | /* Mi print */ | |
5cdb6027 | 668 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
669 | } else { |
670 | /* Pretty print */ | |
671 | MSG("UST events:\n-------------"); | |
672 | ||
673 | if (size == 0) { | |
674 | MSG("None"); | |
675 | } | |
676 | ||
677 | for (i = 0; i < size; i++) { | |
678 | if (cur_pid != event_list[i].pid) { | |
679 | cur_pid = event_list[i].pid; | |
680 | cmdline = get_cmdline_by_pid(cur_pid); | |
681 | if (cmdline == NULL) { | |
682 | ret = CMD_ERROR; | |
683 | goto error; | |
684 | } | |
685 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
686 | free(cmdline); | |
687 | } | |
688 | print_events(&event_list[i]); | |
689 | } | |
b551a063 | 690 | |
fb14d0d8 | 691 | MSG(""); |
b551a063 DG |
692 | } |
693 | ||
fb14d0d8 JR |
694 | error: |
695 | free(event_list); | |
696 | end: | |
697 | lttng_destroy_handle(handle); | |
698 | return ret; | |
699 | } | |
700 | ||
701 | /* | |
702 | * Machine interface | |
703 | * List all ust event with their fields | |
704 | */ | |
705 | static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count, | |
706 | struct lttng_domain *domain) | |
707 | { | |
708 | int ret, i; | |
709 | pid_t cur_pid = 0; | |
710 | char *cmdline = NULL; | |
711 | int pid_element_open = 0; | |
712 | int event_element_open = 0; | |
713 | struct lttng_event cur_event; | |
714 | ||
d113fbc8 JR |
715 | memset(&cur_event, 0, sizeof(cur_event)); |
716 | ||
fb14d0d8 JR |
717 | /* Open domains element */ |
718 | ret = mi_lttng_domains_open(writer); | |
719 | if (ret) { | |
720 | goto end; | |
721 | } | |
722 | ||
723 | /* Write domain */ | |
724 | ret = mi_lttng_domain(writer, domain, 1); | |
725 | if (ret) { | |
726 | goto end; | |
727 | } | |
728 | ||
bf239d4c JR |
729 | /* Open pids element */ |
730 | ret = mi_lttng_pids_open(writer); | |
fb14d0d8 JR |
731 | if (ret) { |
732 | goto end; | |
733 | } | |
734 | ||
735 | for (i = 0; i < count; i++) { | |
736 | if (cur_pid != fields[i].event.pid) { | |
737 | if (pid_element_open) { | |
738 | if (event_element_open) { | |
485ca16f | 739 | /* Close the previous field element and event. */ |
fb14d0d8 JR |
740 | ret = mi_lttng_close_multi_element(writer, 2); |
741 | if (ret) { | |
742 | goto end; | |
743 | } | |
744 | event_element_open = 0; | |
745 | } | |
746 | /* Close the previous events, pid element */ | |
747 | ret = mi_lttng_close_multi_element(writer, 2); | |
748 | if (ret) { | |
749 | goto end; | |
750 | } | |
751 | pid_element_open = 0; | |
752 | } | |
753 | ||
754 | cur_pid = fields[i].event.pid; | |
ea5cbc00 | 755 | cmdline = get_cmdline_by_pid(cur_pid); |
fb14d0d8 | 756 | if (!pid_element_open) { |
bf239d4c JR |
757 | /* Open and write a pid element */ |
758 | ret = mi_lttng_pid(writer, cur_pid, cmdline, 1); | |
fb14d0d8 JR |
759 | if (ret) { |
760 | goto error; | |
761 | } | |
762 | ||
763 | /* Open events element */ | |
764 | ret = mi_lttng_events_open(writer); | |
765 | if (ret) { | |
766 | goto error; | |
767 | } | |
768 | pid_element_open = 1; | |
769 | } | |
ea5cbc00 | 770 | free(cmdline); |
fb14d0d8 JR |
771 | /* Wipe current event since we are about to print a new PID. */ |
772 | memset(&cur_event, 0, sizeof(cur_event)); | |
b551a063 | 773 | } |
b551a063 | 774 | |
fb14d0d8 JR |
775 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
776 | if (event_element_open) { | |
777 | /* Close the previous fields element and the previous event */ | |
778 | ret = mi_lttng_close_multi_element(writer, 2); | |
779 | if (ret) { | |
780 | goto end; | |
781 | } | |
782 | event_element_open = 0; | |
783 | } | |
784 | ||
785 | memcpy(&cur_event, &fields[i].event, | |
786 | sizeof(cur_event)); | |
b551a063 | 787 | |
fb14d0d8 JR |
788 | if (!event_element_open) { |
789 | /* Open and write the event */ | |
970d848b DG |
790 | ret = mi_lttng_event(writer, &cur_event, 1, |
791 | handle->domain.type); | |
fb14d0d8 JR |
792 | if (ret) { |
793 | goto end; | |
794 | } | |
795 | ||
796 | /* Open a fields element */ | |
797 | ret = mi_lttng_event_fields_open(writer); | |
798 | if (ret) { | |
799 | goto end; | |
800 | } | |
801 | event_element_open = 1; | |
802 | } | |
803 | } | |
b551a063 | 804 | |
fb14d0d8 JR |
805 | /* Print the event_field */ |
806 | ret = mi_lttng_event_field(writer, &fields[i]); | |
807 | if (ret) { | |
808 | goto end; | |
809 | } | |
810 | } | |
b551a063 | 811 | |
83d6d6c4 | 812 | /* Close pids, domain, domains */ |
fb14d0d8 JR |
813 | ret = mi_lttng_close_multi_element(writer, 3); |
814 | end: | |
815 | return ret; | |
b551a063 | 816 | error: |
fb14d0d8 JR |
817 | free(cmdline); |
818 | return ret; | |
b551a063 | 819 | } |
f3ed775e | 820 | |
f37d259d MD |
821 | /* |
822 | * Ask session daemon for all user space tracepoint fields available. | |
823 | */ | |
824 | static int list_ust_event_fields(void) | |
825 | { | |
fb14d0d8 | 826 | int i, size, ret = CMD_SUCCESS; |
f37d259d MD |
827 | struct lttng_domain domain; |
828 | struct lttng_handle *handle; | |
829 | struct lttng_event_field *event_field_list; | |
830 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
831 | char *cmdline = NULL; |
832 | ||
f37d259d MD |
833 | struct lttng_event cur_event; |
834 | ||
835 | memset(&domain, 0, sizeof(domain)); | |
836 | memset(&cur_event, 0, sizeof(cur_event)); | |
837 | ||
838 | DBG("Getting UST tracing event fields"); | |
839 | ||
840 | domain.type = LTTNG_DOMAIN_UST; | |
841 | ||
842 | handle = lttng_create_handle(NULL, &domain); | |
843 | if (handle == NULL) { | |
fb14d0d8 JR |
844 | ret = CMD_ERROR; |
845 | goto end; | |
f37d259d MD |
846 | } |
847 | ||
848 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
849 | if (size < 0) { | |
60e835ca | 850 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
fb14d0d8 JR |
851 | ret = CMD_ERROR; |
852 | goto end; | |
f37d259d MD |
853 | } |
854 | ||
fb14d0d8 JR |
855 | if (lttng_opt_mi) { |
856 | /* Mi print */ | |
857 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); | |
858 | if (ret) { | |
859 | ret = CMD_ERROR; | |
860 | goto error; | |
861 | } | |
862 | } else { | |
863 | /* Pretty print */ | |
864 | MSG("UST events:\n-------------"); | |
f37d259d | 865 | |
fb14d0d8 JR |
866 | if (size == 0) { |
867 | MSG("None"); | |
f37d259d | 868 | } |
fb14d0d8 JR |
869 | |
870 | for (i = 0; i < size; i++) { | |
871 | if (cur_pid != event_field_list[i].event.pid) { | |
872 | cur_pid = event_field_list[i].event.pid; | |
873 | cmdline = get_cmdline_by_pid(cur_pid); | |
874 | if (cmdline == NULL) { | |
875 | ret = CMD_ERROR; | |
876 | goto error; | |
877 | } | |
878 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
879 | free(cmdline); | |
880 | /* Wipe current event since we are about to print a new PID. */ | |
881 | memset(&cur_event, 0, sizeof(cur_event)); | |
882 | } | |
883 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
884 | print_events(&event_field_list[i].event); | |
885 | memcpy(&cur_event, &event_field_list[i].event, | |
886 | sizeof(cur_event)); | |
887 | } | |
888 | print_event_field(&event_field_list[i]); | |
f37d259d | 889 | } |
f37d259d | 890 | |
fb14d0d8 JR |
891 | MSG(""); |
892 | } | |
f37d259d | 893 | |
fb14d0d8 | 894 | error: |
f37d259d | 895 | free(event_field_list); |
fb14d0d8 | 896 | end: |
f37d259d | 897 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
898 | return ret; |
899 | } | |
f37d259d | 900 | |
fb14d0d8 JR |
901 | /* |
902 | * Machine interface | |
903 | * Print a list of kernel events | |
904 | */ | |
905 | static int mi_list_kernel_events(struct lttng_event *events, int count, | |
906 | struct lttng_domain *domain) | |
907 | { | |
908 | int ret, i; | |
f37d259d | 909 | |
fb14d0d8 JR |
910 | /* Open domains element */ |
911 | ret = mi_lttng_domains_open(writer); | |
912 | if (ret) { | |
913 | goto end; | |
914 | } | |
915 | ||
916 | /* Write domain */ | |
917 | ret = mi_lttng_domain(writer, domain, 1); | |
918 | if (ret) { | |
919 | goto end; | |
920 | } | |
921 | ||
922 | /* Open events */ | |
923 | ret = mi_lttng_events_open(writer); | |
924 | if (ret) { | |
925 | goto end; | |
926 | } | |
927 | ||
928 | for (i = 0; i < count; i++) { | |
970d848b | 929 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
930 | if (ret) { |
931 | goto end; | |
932 | } | |
933 | } | |
934 | ||
935 | /* close events, domain and domains */ | |
936 | ret = mi_lttng_close_multi_element(writer, 3); | |
937 | if (ret) { | |
938 | goto end; | |
939 | } | |
940 | ||
941 | end: | |
942 | return ret; | |
f37d259d MD |
943 | } |
944 | ||
f3ed775e | 945 | /* |
fb14d0d8 | 946 | * Ask for all trace events in the kernel |
f3ed775e | 947 | */ |
9f19cc17 | 948 | static int list_kernel_events(void) |
f3ed775e | 949 | { |
fb14d0d8 | 950 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
951 | struct lttng_domain domain; |
952 | struct lttng_handle *handle; | |
9f19cc17 | 953 | struct lttng_event *event_list; |
f3ed775e | 954 | |
441c16a7 MD |
955 | memset(&domain, 0, sizeof(domain)); |
956 | ||
b551a063 DG |
957 | DBG("Getting kernel tracing events"); |
958 | ||
959 | domain.type = LTTNG_DOMAIN_KERNEL; | |
960 | ||
961 | handle = lttng_create_handle(NULL, &domain); | |
962 | if (handle == NULL) { | |
fb14d0d8 | 963 | ret = CMD_ERROR; |
b551a063 DG |
964 | goto error; |
965 | } | |
f3ed775e | 966 | |
cd80958d | 967 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 968 | if (size < 0) { |
60e835ca | 969 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 970 | lttng_destroy_handle(handle); |
fb14d0d8 | 971 | return CMD_ERROR; |
f3ed775e DG |
972 | } |
973 | ||
fb14d0d8 JR |
974 | if (lttng_opt_mi) { |
975 | /* Mi print */ | |
976 | ret = mi_list_kernel_events(event_list, size, &domain); | |
977 | if (ret) { | |
978 | ret = CMD_ERROR; | |
979 | goto end; | |
980 | } | |
981 | } else { | |
982 | MSG("Kernel events:\n-------------"); | |
f3ed775e | 983 | |
fb14d0d8 JR |
984 | for (i = 0; i < size; i++) { |
985 | print_events(&event_list[i]); | |
986 | } | |
f3ed775e | 987 | |
fb14d0d8 JR |
988 | MSG(""); |
989 | } | |
b551a063 | 990 | |
fb14d0d8 | 991 | end: |
f3ed775e DG |
992 | free(event_list); |
993 | ||
ef021732 | 994 | lttng_destroy_handle(handle); |
fb14d0d8 | 995 | return ret; |
b551a063 DG |
996 | |
997 | error: | |
ef021732 | 998 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
999 | return ret; |
1000 | } | |
1001 | ||
834978fd DG |
1002 | /* |
1003 | * Machine interface | |
1004 | * Print a list of system calls. | |
1005 | */ | |
1006 | static int mi_list_syscalls(struct lttng_event *events, int count) | |
1007 | { | |
1008 | int ret, i; | |
1009 | ||
1010 | /* Open events */ | |
1011 | ret = mi_lttng_events_open(writer); | |
1012 | if (ret) { | |
1013 | goto end; | |
1014 | } | |
1015 | ||
1016 | for (i = 0; i < count; i++) { | |
970d848b | 1017 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
834978fd DG |
1018 | if (ret) { |
1019 | goto end; | |
1020 | } | |
1021 | } | |
1022 | ||
1023 | /* Close events. */ | |
1024 | ret = mi_lttng_writer_close_element(writer); | |
1025 | if (ret) { | |
1026 | goto end; | |
1027 | } | |
1028 | ||
1029 | end: | |
1030 | return ret; | |
1031 | } | |
1032 | ||
1033 | /* | |
1034 | * Ask for kernel system calls. | |
1035 | */ | |
1036 | static int list_syscalls(void) | |
1037 | { | |
1038 | int i, size, ret = CMD_SUCCESS; | |
1039 | struct lttng_event *event_list; | |
1040 | ||
1041 | DBG("Getting kernel system call events"); | |
1042 | ||
1043 | size = lttng_list_syscalls(&event_list); | |
1044 | if (size < 0) { | |
1045 | ERR("Unable to list system calls: %s", lttng_strerror(size)); | |
1046 | ret = CMD_ERROR; | |
1047 | goto error; | |
1048 | } | |
1049 | ||
1050 | if (lttng_opt_mi) { | |
1051 | /* Mi print */ | |
1052 | ret = mi_list_syscalls(event_list, size); | |
1053 | if (ret) { | |
1054 | ret = CMD_ERROR; | |
1055 | goto end; | |
1056 | } | |
1057 | } else { | |
1058 | MSG("System calls:\n-------------"); | |
1059 | ||
1060 | for (i = 0; i < size; i++) { | |
1061 | print_events(&event_list[i]); | |
1062 | } | |
1063 | ||
1064 | MSG(""); | |
1065 | } | |
1066 | ||
1067 | end: | |
1068 | free(event_list); | |
1069 | return ret; | |
1070 | ||
1071 | error: | |
1072 | return ret; | |
1073 | } | |
1074 | ||
fb14d0d8 JR |
1075 | /* |
1076 | * Machine Interface | |
5cdb6027 | 1077 | * Print a list of agent events |
fb14d0d8 | 1078 | */ |
5cdb6027 | 1079 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
fb14d0d8 JR |
1080 | { |
1081 | int ret, i; | |
1082 | ||
1083 | /* Open events element */ | |
1084 | ret = mi_lttng_events_open(writer); | |
1085 | if (ret) { | |
1086 | goto end; | |
1087 | } | |
1088 | ||
1089 | for (i = 0; i < count; i++) { | |
970d848b | 1090 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1091 | if (ret) { |
1092 | goto end; | |
1093 | } | |
1094 | } | |
1095 | ||
1096 | /* Close events element */ | |
1097 | ret = mi_lttng_writer_close_element(writer); | |
1098 | ||
1099 | end: | |
1100 | return ret; | |
f3ed775e DG |
1101 | } |
1102 | ||
3c6a091f | 1103 | /* |
5cdb6027 | 1104 | * List agent events for a specific session using the handle. |
3c6a091f DG |
1105 | * |
1106 | * Return CMD_SUCCESS on success else a negative value. | |
1107 | */ | |
5cdb6027 | 1108 | static int list_session_agent_events(void) |
3c6a091f | 1109 | { |
fb14d0d8 | 1110 | int ret = CMD_SUCCESS, count, i; |
3c6a091f DG |
1111 | struct lttng_event *events = NULL; |
1112 | ||
1113 | count = lttng_list_events(handle, "", &events); | |
1114 | if (count < 0) { | |
fb14d0d8 JR |
1115 | ret = CMD_ERROR; |
1116 | ERR("%s", lttng_strerror(count)); | |
3c6a091f DG |
1117 | goto error; |
1118 | } | |
1119 | ||
fb14d0d8 JR |
1120 | if (lttng_opt_mi) { |
1121 | /* Mi print */ | |
5cdb6027 | 1122 | ret = mi_list_session_agent_events(events, count); |
fb14d0d8 JR |
1123 | if (ret) { |
1124 | ret = CMD_ERROR; | |
1125 | goto end; | |
1126 | } | |
1127 | } else { | |
1128 | /* Pretty print */ | |
1129 | MSG("Events (Logger name):\n---------------------"); | |
1130 | if (count == 0) { | |
1131 | MSG("%sNone\n", indent6); | |
1132 | goto end; | |
1133 | } | |
1134 | ||
1135 | for (i = 0; i < count; i++) { | |
9a890ce8 JG |
1136 | const char *filter_str; |
1137 | char *filter_msg = NULL; | |
1138 | struct lttng_event *event = &events[i]; | |
1139 | ||
134e72ed JG |
1140 | ret = lttng_event_get_filter_expression(event, |
1141 | &filter_str); | |
9a890ce8 JG |
1142 | if (ret) { |
1143 | filter_msg = strdup(" [failed to retrieve filter]"); | |
1144 | } else if (filter_str) { | |
1145 | const char * const filter_fmt = | |
1146 | " [filter: '%s']"; | |
1147 | ||
1148 | filter_msg = malloc(strlen(filter_str) + | |
1149 | strlen(filter_fmt) + 1); | |
1150 | if (filter_msg) { | |
00505bae JG |
1151 | sprintf(filter_msg, filter_fmt, |
1152 | filter_str); | |
9a890ce8 JG |
1153 | } |
1154 | } | |
1155 | ||
1156 | if (event->loglevel_type != | |
755066c2 | 1157 | LTTNG_EVENT_LOGLEVEL_ALL) { |
9a890ce8 JG |
1158 | MSG("%s- %s%s (loglevel%s %s)%s", indent4, |
1159 | event->name, | |
1160 | enabled_string(event->enabled), | |
755066c2 | 1161 | logleveltype_string( |
9a890ce8 | 1162 | event->loglevel_type), |
755066c2 | 1163 | mi_lttng_loglevel_string( |
9a890ce8 JG |
1164 | event->loglevel, |
1165 | handle->domain.type), | |
7b4a95b1 | 1166 | safe_string(filter_msg)); |
755066c2 | 1167 | } else { |
9a890ce8 JG |
1168 | MSG("%s- %s%s%s", indent4, event->name, |
1169 | enabled_string(event->enabled), | |
7b4a95b1 | 1170 | safe_string(filter_msg)); |
755066c2 | 1171 | } |
9a890ce8 | 1172 | free(filter_msg); |
fb14d0d8 JR |
1173 | } |
1174 | ||
1175 | MSG(""); | |
1176 | } | |
1177 | ||
1178 | end: | |
1179 | free(events); | |
1180 | error: | |
1181 | return ret; | |
1182 | } | |
1183 | ||
1184 | /* | |
1185 | * Machine interface | |
1186 | * print a list of event | |
1187 | */ | |
1188 | static int mi_list_events(struct lttng_event *events, int count) | |
1189 | { | |
1190 | int ret, i; | |
1191 | ||
1192 | /* Open events element */ | |
1193 | ret = mi_lttng_events_open(writer); | |
1194 | if (ret) { | |
3c6a091f DG |
1195 | goto end; |
1196 | } | |
1197 | ||
1198 | for (i = 0; i < count; i++) { | |
970d848b | 1199 | ret = mi_lttng_event(writer, &events[i], 0, handle->domain.type); |
fb14d0d8 JR |
1200 | if (ret) { |
1201 | goto end; | |
1202 | } | |
3c6a091f DG |
1203 | } |
1204 | ||
fb14d0d8 JR |
1205 | /* Close events element */ |
1206 | ret = mi_lttng_writer_close_element(writer); | |
3c6a091f DG |
1207 | |
1208 | end: | |
3c6a091f DG |
1209 | return ret; |
1210 | } | |
1211 | ||
f3ed775e | 1212 | /* |
9f19cc17 | 1213 | * List events of channel of session and domain. |
f3ed775e | 1214 | */ |
cd80958d | 1215 | static int list_events(const char *channel_name) |
f3ed775e | 1216 | { |
fb14d0d8 | 1217 | int ret = CMD_SUCCESS, count, i; |
9f19cc17 | 1218 | struct lttng_event *events = NULL; |
f3ed775e | 1219 | |
cd80958d | 1220 | count = lttng_list_events(handle, channel_name, &events); |
f3ed775e | 1221 | if (count < 0) { |
fb14d0d8 JR |
1222 | ret = CMD_ERROR; |
1223 | ERR("%s", lttng_strerror(count)); | |
f3ed775e DG |
1224 | goto error; |
1225 | } | |
1226 | ||
fb14d0d8 JR |
1227 | if (lttng_opt_mi) { |
1228 | /* Mi print */ | |
1229 | ret = mi_list_events(events, count); | |
1230 | if (ret) { | |
1231 | ret = CMD_ERROR; | |
1232 | goto end; | |
1233 | } | |
1234 | } else { | |
1235 | /* Pretty print */ | |
f3b3a67b | 1236 | MSG("\n%sEvent rules:", indent4); |
fb14d0d8 JR |
1237 | if (count == 0) { |
1238 | MSG("%sNone\n", indent6); | |
1239 | goto end; | |
1240 | } | |
f3ed775e | 1241 | |
fb14d0d8 JR |
1242 | for (i = 0; i < count; i++) { |
1243 | print_events(&events[i]); | |
1244 | } | |
f3ed775e | 1245 | |
fb14d0d8 JR |
1246 | MSG(""); |
1247 | } | |
9f19cc17 | 1248 | end: |
0e428499 | 1249 | free(events); |
f3ed775e DG |
1250 | error: |
1251 | return ret; | |
1252 | } | |
1253 | ||
f3b3a67b JG |
1254 | static |
1255 | void print_timer(const char *timer_name, uint32_t space_count, int64_t value) | |
1256 | { | |
1257 | uint32_t i; | |
1258 | ||
1259 | _MSG("%s%s:", indent6, timer_name); | |
1260 | for (i = 0; i < space_count; i++) { | |
1261 | _MSG(" "); | |
1262 | } | |
1263 | ||
1264 | if (value) { | |
2a1135fa | 1265 | MSG("%" PRId64 " %s", value, USEC_UNIT); |
f3b3a67b JG |
1266 | } else { |
1267 | MSG("inactive"); | |
1268 | } | |
1269 | } | |
1270 | ||
f3ed775e | 1271 | /* |
9f19cc17 DG |
1272 | * Pretty print channel |
1273 | */ | |
1274 | static void print_channel(struct lttng_channel *channel) | |
1275 | { | |
fb83fe64 | 1276 | int ret; |
cf0bcb51 | 1277 | uint64_t discarded_events, lost_packets, monitor_timer_interval; |
491d1539 | 1278 | int64_t blocking_timeout; |
fb83fe64 JD |
1279 | |
1280 | ret = lttng_channel_get_discarded_event_count(channel, | |
1281 | &discarded_events); | |
1282 | if (ret) { | |
1283 | ERR("Failed to retrieve discarded event count of channel"); | |
1284 | return; | |
1285 | } | |
1286 | ||
1287 | ret = lttng_channel_get_lost_packet_count(channel, | |
1288 | &lost_packets); | |
1289 | if (ret) { | |
1290 | ERR("Failed to retrieve lost packet count of channel"); | |
1291 | return; | |
1292 | } | |
1293 | ||
cf0bcb51 JG |
1294 | ret = lttng_channel_get_monitor_timer_interval(channel, |
1295 | &monitor_timer_interval); | |
1296 | if (ret) { | |
1297 | ERR("Failed to retrieve monitor interval of channel"); | |
1298 | return; | |
1299 | } | |
1300 | ||
491d1539 MD |
1301 | ret = lttng_channel_get_blocking_timeout(channel, |
1302 | &blocking_timeout); | |
1303 | if (ret) { | |
1304 | ERR("Failed to retrieve blocking timeout of channel"); | |
1305 | return; | |
1306 | } | |
1307 | ||
464dd62d | 1308 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 | 1309 | MSG("%sAttributes:", indent4); |
f3b3a67b JG |
1310 | MSG("%sEvent-loss mode: %s", indent6, channel->attr.overwrite ? "overwrite" : "discard"); |
1311 | MSG("%sSub-buffer size: %" PRIu64 " bytes", indent6, channel->attr.subbuf_size); | |
1312 | MSG("%sSub-buffer count: %" PRIu64, indent6, channel->attr.num_subbuf); | |
1313 | ||
1314 | print_timer("Switch timer", 5, channel->attr.switch_timer_interval); | |
1315 | print_timer("Read timer", 7, channel->attr.read_timer_interval); | |
1316 | print_timer("Monitor timer", 4, monitor_timer_interval); | |
1317 | ||
1318 | if (!channel->attr.overwrite) { | |
1319 | if (blocking_timeout == -1) { | |
1320 | MSG("%sBlocking timeout: infinite", indent6); | |
1321 | } else { | |
2a1135fa JG |
1322 | MSG("%sBlocking timeout: %" PRId64 " %s", indent6, |
1323 | blocking_timeout, USEC_UNIT); | |
f3b3a67b JG |
1324 | } |
1325 | } | |
1326 | ||
1327 | MSG("%sTrace file count: %" PRIu64 " per stream", indent6, | |
1328 | channel->attr.tracefile_count == 0 ? | |
1329 | 1 : channel->attr.tracefile_count); | |
1330 | if (channel->attr.tracefile_size != 0 ) { | |
1331 | MSG("%sTrace file size: %" PRIu64 " bytes", indent6, | |
1332 | channel->attr.tracefile_size); | |
1333 | } else { | |
1334 | MSG("%sTrace file size: %s", indent6, "unlimited"); | |
1335 | } | |
9f19cc17 DG |
1336 | switch (channel->attr.output) { |
1337 | case LTTNG_EVENT_SPLICE: | |
f3b3a67b | 1338 | MSG("%sOutput mode: splice", indent6); |
9f19cc17 DG |
1339 | break; |
1340 | case LTTNG_EVENT_MMAP: | |
f3b3a67b | 1341 | MSG("%sOutput mode: mmap", indent6); |
9f19cc17 DG |
1342 | break; |
1343 | } | |
e50e81d3 | 1344 | |
f3b3a67b JG |
1345 | MSG("\n%sStatistics:", indent4); |
1346 | if (listed_session.snapshot_mode) { | |
e50e81d3 JG |
1347 | /* |
1348 | * The lost packet count is omitted for sessions in snapshot | |
1349 | * mode as it is misleading: it would indicate the number of | |
1350 | * packets that the consumer could not extract during the | |
1351 | * course of recording the snapshot. It does not have the | |
1352 | * same meaning as the "regular" lost packet count that | |
1353 | * would result from the consumer not keeping up with | |
1354 | * event production in an overwrite-mode channel. | |
1355 | * | |
1356 | * A more interesting statistic would be the number of | |
1357 | * packets lost between the first and last extracted | |
1358 | * packets of a given snapshot (which prevents most analyses). | |
1359 | */ | |
f3b3a67b | 1360 | MSG("%sNone", indent6); |
e50e81d3 JG |
1361 | goto skip_stats_printing; |
1362 | } | |
1363 | ||
1364 | if (!channel->attr.overwrite) { | |
f3b3a67b | 1365 | MSG("%sDiscarded events: %" PRIu64, indent6, discarded_events); |
e50e81d3 | 1366 | } else { |
f3b3a67b | 1367 | MSG("%sLost packets: %" PRIu64, indent6, lost_packets); |
e50e81d3 JG |
1368 | } |
1369 | skip_stats_printing: | |
1370 | return; | |
9f19cc17 DG |
1371 | } |
1372 | ||
ebdb334b JR |
1373 | static void print_map(const struct lttng_map *map) |
1374 | { | |
1375 | const char *map_name; | |
1376 | enum lttng_map_status map_status; | |
1377 | enum lttng_buffer_type buffer_type; | |
1378 | enum lttng_map_bitness bitness; | |
1379 | enum lttng_map_boundary_policy boundary_policy; | |
1380 | uint64_t bucket_count; | |
1381 | bool is_enabled; | |
1382 | bool coalesces_hits; | |
1383 | ||
1384 | bitness = lttng_map_get_bitness(map); | |
1385 | is_enabled = lttng_map_get_is_enabled(map); | |
1386 | buffer_type = lttng_map_get_buffer_type(map); | |
1387 | coalesces_hits = lttng_map_get_coalesce_hits(map); | |
1388 | boundary_policy = lttng_map_get_boundary_policy(map); | |
1389 | ||
1390 | map_status = lttng_map_get_name(map, &map_name); | |
1391 | if (map_status != LTTNG_MAP_STATUS_OK) { | |
1392 | ERR("Failed to get map name"); | |
1393 | goto end; | |
1394 | } | |
1395 | ||
1396 | map_status = lttng_map_get_dimension_length(map, 0, &bucket_count); | |
1397 | if (map_status != LTTNG_MAP_STATUS_OK) { | |
1398 | ERR("Failed to bucket count"); | |
1399 | goto end; | |
1400 | } | |
1401 | ||
1402 | MSG("- %s (%s)", map_name, is_enabled ? "enabled": "disabled"); | |
1403 | MSG("%sAttributes:", indent4); | |
1404 | MSG("%sBitness: %s", indent6, bitness == LTTNG_MAP_BITNESS_32BITS ? "32" : "64"); | |
1405 | _MSG("%sCounter type: ", indent6); | |
1406 | switch (buffer_type) { | |
1407 | case LTTNG_BUFFER_PER_PID: | |
1408 | MSG("per-pid"); | |
1409 | break; | |
1410 | case LTTNG_BUFFER_PER_UID: | |
1411 | MSG("per-uid"); | |
1412 | break; | |
1413 | case LTTNG_BUFFER_GLOBAL: | |
1414 | MSG("global"); | |
1415 | break; | |
1416 | default: | |
1417 | abort(); | |
1418 | } | |
1419 | MSG("%sBoundary policy: %s", indent6, | |
1420 | boundary_policy == LTTNG_MAP_BOUNDARY_POLICY_OVERFLOW ? "OVERFLOW" : "<unknown>"); | |
1421 | MSG("%sBucket count: %"PRIu64, indent6, bucket_count); | |
1422 | MSG("%sCoalesces hits: %s", indent6, coalesces_hits ? "TRUE":"FALSE"); | |
1423 | end: | |
1424 | return; | |
1425 | } | |
1426 | ||
fb14d0d8 JR |
1427 | /* |
1428 | * Machine interface | |
1429 | * Print a list of channel | |
1430 | * | |
1431 | */ | |
1432 | static int mi_list_channels(struct lttng_channel *channels, int count, | |
1433 | const char *channel_name) | |
1434 | { | |
1435 | int i, ret; | |
1436 | unsigned int chan_found = 0; | |
1437 | ||
1438 | /* Open channels element */ | |
1439 | ret = mi_lttng_channels_open(writer); | |
1440 | if (ret) { | |
1441 | goto error; | |
1442 | } | |
1443 | ||
1444 | for (i = 0; i < count; i++) { | |
1445 | if (channel_name != NULL) { | |
1446 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1447 | chan_found = 1; | |
1448 | } else { | |
1449 | continue; | |
1450 | } | |
1451 | } | |
1452 | ||
1453 | /* Write channel element and leave it open */ | |
1454 | ret = mi_lttng_channel(writer, &channels[i], 1); | |
1455 | if (ret) { | |
1456 | goto error; | |
1457 | } | |
1458 | ||
1459 | /* Listing events per channel */ | |
1460 | ret = list_events(channels[i].name); | |
1461 | if (ret) { | |
1462 | goto error; | |
1463 | } | |
1464 | ||
1465 | /* Closing the channel element we opened earlier */ | |
1466 | ret = mi_lttng_writer_close_element(writer); | |
1467 | if (ret) { | |
1468 | goto error; | |
1469 | } | |
1470 | ||
1471 | if (chan_found) { | |
1472 | break; | |
1473 | } | |
1474 | } | |
1475 | ||
1476 | /* Close channels element */ | |
1477 | ret = mi_lttng_writer_close_element(writer); | |
1478 | if (ret) { | |
1479 | goto error; | |
1480 | } | |
1481 | ||
1482 | error: | |
1483 | return ret; | |
1484 | } | |
1485 | ||
9f19cc17 DG |
1486 | /* |
1487 | * List channel(s) of session and domain. | |
f3ed775e | 1488 | * |
9f19cc17 | 1489 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 1490 | */ |
cd80958d | 1491 | static int list_channels(const char *channel_name) |
f3ed775e | 1492 | { |
9f19cc17 DG |
1493 | int count, i, ret = CMD_SUCCESS; |
1494 | unsigned int chan_found = 0; | |
1495 | struct lttng_channel *channels = NULL; | |
f3ed775e | 1496 | |
3e25cb20 | 1497 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 1498 | |
cd80958d | 1499 | count = lttng_list_channels(handle, &channels); |
f3ed775e | 1500 | if (count < 0) { |
c7d620a2 DG |
1501 | switch (-count) { |
1502 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
fb14d0d8 JR |
1503 | if (lttng_opt_mi) { |
1504 | /* When printing mi this is not an error | |
1505 | * but an empty channels element */ | |
1506 | count = 0; | |
1507 | } else { | |
1508 | ret = CMD_SUCCESS; | |
fb14d0d8 JR |
1509 | goto error_channels; |
1510 | } | |
c7d620a2 DG |
1511 | break; |
1512 | default: | |
1513 | /* We had a real error */ | |
fb14d0d8 JR |
1514 | ret = CMD_ERROR; |
1515 | ERR("%s", lttng_strerror(count)); | |
1516 | goto error_channels; | |
60e835ca | 1517 | break; |
c7d620a2 | 1518 | } |
f3ed775e DG |
1519 | } |
1520 | ||
fb14d0d8 JR |
1521 | if (lttng_opt_mi) { |
1522 | /* Mi print */ | |
1523 | ret = mi_list_channels(channels, count, channel_name); | |
1524 | if (ret) { | |
1525 | ret = CMD_ERROR; | |
1526 | goto error; | |
1527 | } | |
1528 | } else { | |
1529 | /* Pretty print */ | |
ade7ce52 | 1530 | if (count) { |
fb14d0d8 JR |
1531 | MSG("Channels:\n-------------"); |
1532 | } | |
9f19cc17 | 1533 | |
fb14d0d8 JR |
1534 | for (i = 0; i < count; i++) { |
1535 | if (channel_name != NULL) { | |
1536 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1537 | chan_found = 1; | |
1538 | } else { | |
1539 | continue; | |
1540 | } | |
1541 | } | |
1542 | print_channel(&channels[i]); | |
1543 | ||
1544 | /* Listing events per channel */ | |
1545 | ret = list_events(channels[i].name); | |
1546 | if (ret) { | |
1547 | goto error; | |
1548 | } | |
1549 | ||
1550 | if (chan_found) { | |
1551 | break; | |
9f19cc17 DG |
1552 | } |
1553 | } | |
9f19cc17 | 1554 | |
fb14d0d8 JR |
1555 | if (!chan_found && channel_name != NULL) { |
1556 | ret = CMD_ERROR; | |
1557 | ERR("Channel %s not found", channel_name); | |
1558 | goto error; | |
9f19cc17 | 1559 | } |
fb14d0d8 JR |
1560 | } |
1561 | error: | |
1562 | free(channels); | |
9f19cc17 | 1563 | |
fb14d0d8 JR |
1564 | error_channels: |
1565 | return ret; | |
1566 | } | |
1567 | ||
ebdb334b JR |
1568 | /* |
1569 | * List map(s) of session and domain. | |
1570 | * | |
1571 | * If map_name is NULL, all maps are listed. | |
1572 | */ | |
1573 | static int list_maps(const char *desired_map_name) | |
1574 | { | |
1575 | struct lttng_map_list *map_list = NULL; | |
1576 | enum lttng_map_status map_status; | |
1577 | enum lttng_error_code ret_code; | |
1578 | unsigned int i, map_count; | |
1579 | int ret = CMD_SUCCESS; | |
1580 | ||
1581 | DBG("Listing map(s) (%s)", desired_map_name ? : "<all>"); | |
1582 | ||
1583 | ret_code = lttng_list_maps(handle, &map_list); | |
1584 | if (ret_code != LTTNG_OK) { | |
1585 | ERR("Error getting map list"); | |
1586 | ret = CMD_ERROR; | |
1587 | goto end; | |
1588 | } | |
1589 | ||
1590 | map_status = lttng_map_list_get_count(map_list, &map_count); | |
1591 | if (map_status != LTTNG_MAP_STATUS_OK) { | |
1592 | ERR("Error getting map list element count"); | |
1593 | ret = CMD_ERROR; | |
1594 | goto end; | |
1595 | } | |
1596 | ||
1597 | MSG("Maps:\n-------------"); | |
1598 | for (i = 0; i < map_count; i++) { | |
1599 | const struct lttng_map *map = NULL; | |
1600 | const char *map_name = NULL; | |
1601 | map = lttng_map_list_get_at_index(map_list, i); | |
1602 | if (!map) { | |
1603 | ret = CMD_ERROR; | |
1604 | ERR("Error getting map from list: index = %u", i); | |
1605 | goto end; | |
1606 | } | |
1607 | ||
1608 | map_status = lttng_map_get_name(map, &map_name); | |
1609 | if (map_status != LTTNG_MAP_STATUS_OK) { | |
1610 | ERR("Error getting map name"); | |
1611 | ret = CMD_ERROR; | |
1612 | goto end; | |
1613 | } | |
1614 | ||
1615 | if (desired_map_name != NULL) { | |
1616 | if (strncmp(map_name, desired_map_name, NAME_MAX) == 0) { | |
1617 | print_map(map); | |
1618 | break; | |
1619 | } | |
1620 | } else { | |
1621 | print_map(map); | |
1622 | } | |
1623 | } | |
1624 | end: | |
1625 | lttng_map_list_destroy(map_list); | |
1626 | return ret; | |
1627 | } | |
1628 | ||
159b042f | 1629 | static const char *get_capitalized_process_attr_str(enum lttng_process_attr process_attr) |
83d6d6c4 | 1630 | { |
159b042f JG |
1631 | switch (process_attr) { |
1632 | case LTTNG_PROCESS_ATTR_PROCESS_ID: | |
1633 | return "Process ID"; | |
1634 | case LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID: | |
1635 | return "Virtual process ID"; | |
1636 | case LTTNG_PROCESS_ATTR_USER_ID: | |
1637 | return "User ID"; | |
1638 | case LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID: | |
1639 | return "Virtual user ID"; | |
1640 | case LTTNG_PROCESS_ATTR_GROUP_ID: | |
1641 | return "Group ID"; | |
1642 | case LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID: | |
1643 | return "Virtual group ID"; | |
1644 | default: | |
1645 | return "Unknown"; | |
83d6d6c4 JR |
1646 | } |
1647 | return NULL; | |
1648 | } | |
1649 | ||
159b042f JG |
1650 | static int handle_process_attr_status(enum lttng_process_attr process_attr, |
1651 | enum lttng_process_attr_tracker_handle_status status) | |
1652 | { | |
1653 | int ret = CMD_SUCCESS; | |
1654 | ||
1655 | switch (status) { | |
1656 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_INVALID_TRACKING_POLICY: | |
1657 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_OK: | |
1658 | /* Carry on. */ | |
1659 | break; | |
1660 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_COMMUNICATION_ERROR: | |
1661 | ERR("Communication occurred while fetching %s tracker", | |
1662 | lttng_process_attr_to_string(process_attr)); | |
1663 | ret = CMD_ERROR; | |
1664 | break; | |
1665 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_SESSION_DOES_NOT_EXIST: | |
1666 | ERR("Failed to get the inclusion set of the %s tracker: session `%s` no longer exists", | |
1667 | lttng_process_attr_to_string(process_attr), | |
1668 | handle->session_name); | |
1669 | ret = CMD_ERROR; | |
1670 | break; | |
1671 | default: | |
1672 | ERR("Unknown error occurred while fetching the inclusion set of the %s tracker", | |
1673 | lttng_process_attr_to_string(process_attr)); | |
1674 | ret = CMD_ERROR; | |
1675 | break; | |
1676 | } | |
1677 | ||
1678 | return ret; | |
1679 | } | |
1680 | ||
1681 | static int mi_output_empty_tracker(enum lttng_process_attr process_attr) | |
1682 | { | |
1683 | int ret; | |
1684 | ||
1685 | ret = mi_lttng_process_attribute_tracker_open(writer, process_attr); | |
1686 | if (ret) { | |
1687 | goto end; | |
1688 | } | |
1689 | ||
1690 | ret = mi_lttng_close_multi_element(writer, 2); | |
1691 | end: | |
1692 | return ret; | |
1693 | } | |
1694 | ||
1695 | static inline bool is_value_type_name( | |
1696 | enum lttng_process_attr_value_type value_type) | |
1697 | { | |
1698 | return value_type == LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME || | |
1699 | value_type == LTTNG_PROCESS_ATTR_VALUE_TYPE_GROUP_NAME; | |
1700 | } | |
1701 | ||
a5dfbb9d | 1702 | /* |
159b042f | 1703 | * List a process attribute tracker for a session and domain tuple. |
a5dfbb9d | 1704 | */ |
159b042f | 1705 | static int list_process_attr_tracker(enum lttng_process_attr process_attr) |
a5dfbb9d | 1706 | { |
ebbf5ab7 | 1707 | int ret = 0; |
159b042f JG |
1708 | unsigned int count, i; |
1709 | enum lttng_tracking_policy policy; | |
1710 | enum lttng_error_code ret_code; | |
1711 | enum lttng_process_attr_tracker_handle_status handle_status; | |
1712 | enum lttng_process_attr_values_status values_status; | |
1713 | const struct lttng_process_attr_values *values; | |
1714 | struct lttng_process_attr_tracker_handle *tracker_handle = NULL; | |
1715 | ||
1716 | ret_code = lttng_session_get_tracker_handle(handle->session_name, | |
1717 | handle->domain.type, process_attr, &tracker_handle); | |
1718 | if (ret_code != LTTNG_OK) { | |
1719 | ERR("Failed to get process attribute tracker handle: %s", | |
1720 | lttng_strerror(ret_code)); | |
1721 | ret = CMD_ERROR; | |
1722 | goto end; | |
1723 | } | |
a5dfbb9d | 1724 | |
159b042f JG |
1725 | handle_status = lttng_process_attr_tracker_handle_get_inclusion_set( |
1726 | tracker_handle, &values); | |
1727 | ret = handle_process_attr_status(process_attr, handle_status); | |
1728 | if (ret != CMD_SUCCESS) { | |
1729 | goto end; | |
a5dfbb9d | 1730 | } |
a7a533cd | 1731 | |
159b042f JG |
1732 | handle_status = lttng_process_attr_tracker_handle_get_tracking_policy( |
1733 | tracker_handle, &policy); | |
1734 | ret = handle_process_attr_status(process_attr, handle_status); | |
1735 | if (ret != CMD_SUCCESS) { | |
e283e4a0 JR |
1736 | goto end; |
1737 | } | |
1738 | ||
159b042f JG |
1739 | { |
1740 | char *process_attr_name; | |
1741 | const int print_ret = asprintf(&process_attr_name, "%ss:", | |
1742 | get_capitalized_process_attr_str(process_attr)); | |
1743 | ||
1744 | if (print_ret == -1) { | |
1745 | ret = CMD_FATAL; | |
1746 | goto end; | |
a7a533cd | 1747 | } |
159b042f JG |
1748 | _MSG(" %-22s", process_attr_name); |
1749 | free(process_attr_name); | |
1750 | } | |
1751 | switch (policy) { | |
1752 | case LTTNG_TRACKING_POLICY_INCLUDE_SET: | |
1753 | break; | |
1754 | case LTTNG_TRACKING_POLICY_EXCLUDE_ALL: | |
1755 | if (writer) { | |
1756 | mi_output_empty_tracker(process_attr); | |
1757 | } | |
1758 | MSG("none"); | |
1759 | ret = CMD_SUCCESS; | |
1760 | goto end; | |
1761 | case LTTNG_TRACKING_POLICY_INCLUDE_ALL: | |
1762 | MSG("all"); | |
1763 | ret = CMD_SUCCESS; | |
1764 | goto end; | |
1765 | default: | |
1766 | ERR("Unknown tracking policy encoutered while listing the %s process attribute tracker of session `%s`", | |
1767 | lttng_process_attr_to_string(process_attr), | |
1768 | handle->session_name); | |
1769 | ret = CMD_FATAL; | |
1770 | goto end; | |
83d6d6c4 | 1771 | } |
a7a533cd | 1772 | |
159b042f JG |
1773 | values_status = lttng_process_attr_values_get_count(values, &count); |
1774 | if (values_status != LTTNG_PROCESS_ATTR_VALUES_STATUS_OK) { | |
1775 | ERR("Failed to get the count of values in the inclusion set of the %s process attribute tracker of session `%s`", | |
1776 | lttng_process_attr_to_string(process_attr), | |
1777 | handle->session_name); | |
1778 | ret = CMD_FATAL; | |
1779 | goto end; | |
1780 | } | |
a5dfbb9d | 1781 | |
159b042f JG |
1782 | if (count == 0) { |
1783 | /* Functionally equivalent to the 'exclude all' policy. */ | |
ebbf5ab7 | 1784 | if (writer) { |
159b042f | 1785 | mi_output_empty_tracker(process_attr); |
ebbf5ab7 | 1786 | } |
159b042f JG |
1787 | MSG("none"); |
1788 | ret = CMD_SUCCESS; | |
1789 | goto end; | |
1790 | } | |
ebbf5ab7 | 1791 | |
159b042f JG |
1792 | /* Mi tracker_id element */ |
1793 | if (writer) { | |
1794 | /* Open tracker_id and targets elements */ | |
1795 | ret = mi_lttng_process_attribute_tracker_open( | |
1796 | writer, process_attr); | |
1797 | if (ret) { | |
1798 | goto end; | |
1799 | } | |
1800 | } | |
2d97a006 | 1801 | |
159b042f JG |
1802 | for (i = 0; i < count; i++) { |
1803 | const enum lttng_process_attr_value_type value_type = | |
1804 | lttng_process_attr_values_get_type_at_index( | |
1805 | values, i); | |
1806 | int64_t integral_value = INT64_MAX; | |
1807 | const char *name = "error"; | |
1808 | ||
1809 | if (i >= 1) { | |
1810 | _MSG(", "); | |
1811 | } | |
1812 | switch (value_type) { | |
1813 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_PID: | |
1814 | { | |
1815 | pid_t pid; | |
1816 | ||
1817 | values_status = lttng_process_attr_values_get_pid_at_index( | |
1818 | values, i, &pid); | |
1819 | integral_value = (int64_t) pid; | |
1820 | break; | |
1821 | } | |
1822 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_UID: | |
1823 | { | |
1824 | uid_t uid; | |
a7a533cd | 1825 | |
159b042f JG |
1826 | values_status = lttng_process_attr_values_get_uid_at_index( |
1827 | values, i, &uid); | |
1828 | integral_value = (int64_t) uid; | |
1829 | break; | |
1830 | } | |
1831 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GID: | |
1832 | { | |
1833 | gid_t gid; | |
2d97a006 | 1834 | |
159b042f JG |
1835 | values_status = lttng_process_attr_values_get_gid_at_index( |
1836 | values, i, &gid); | |
1837 | integral_value = (int64_t) gid; | |
1838 | break; | |
1839 | } | |
1840 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME: | |
1841 | values_status = lttng_process_attr_values_get_user_name_at_index( | |
1842 | values, i, &name); | |
1843 | break; | |
1844 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GROUP_NAME: | |
1845 | values_status = lttng_process_attr_values_get_group_name_at_index( | |
1846 | values, i, &name); | |
1847 | break; | |
1848 | default: | |
1849 | ret = CMD_ERROR; | |
1850 | goto end; | |
1851 | } | |
83d6d6c4 | 1852 | |
159b042f JG |
1853 | if (values_status != LTTNG_PROCESS_ATTR_VALUES_STATUS_OK) { |
1854 | /* | |
1855 | * Not possible given the current liblttng-ctl | |
1856 | * implementation. | |
1857 | */ | |
1858 | ERR("Unknown error occurred while fetching process attribute value in inclusion list"); | |
1859 | ret = CMD_FATAL; | |
1860 | goto end; | |
1861 | } | |
ebbf5ab7 | 1862 | |
159b042f JG |
1863 | if (is_value_type_name(value_type)) { |
1864 | _MSG("`%s`", name); | |
1865 | } else { | |
1866 | _MSG("%" PRIi64, integral_value); | |
a5dfbb9d | 1867 | } |
ebbf5ab7 | 1868 | |
159b042f | 1869 | /* Mi */ |
ebbf5ab7 | 1870 | if (writer) { |
159b042f JG |
1871 | ret = is_value_type_name(value_type) ? |
1872 | mi_lttng_string_process_attribute_value( | |
1873 | writer, | |
1874 | process_attr, | |
1875 | name, false) : | |
1876 | mi_lttng_integral_process_attribute_value( | |
1877 | writer, | |
1878 | process_attr, | |
1879 | integral_value, | |
1880 | false); | |
ebbf5ab7 JR |
1881 | if (ret) { |
1882 | goto end; | |
1883 | } | |
1884 | } | |
a5dfbb9d | 1885 | } |
159b042f JG |
1886 | MSG(""); |
1887 | ||
1888 | /* Mi close tracker_id and targets */ | |
1889 | if (writer) { | |
1890 | ret = mi_lttng_close_multi_element(writer, 2); | |
1891 | if (ret) { | |
1892 | goto end; | |
1893 | } | |
1894 | } | |
ebbf5ab7 | 1895 | end: |
159b042f | 1896 | lttng_process_attr_tracker_handle_destroy(tracker_handle); |
ebbf5ab7 | 1897 | return ret; |
ebbf5ab7 JR |
1898 | } |
1899 | ||
1900 | /* | |
83d6d6c4 | 1901 | * List all trackers of a domain |
ebbf5ab7 | 1902 | */ |
83d6d6c4 | 1903 | static int list_trackers(const struct lttng_domain *domain) |
ebbf5ab7 | 1904 | { |
0dda6728 | 1905 | int ret = 0; |
ebbf5ab7 | 1906 | |
159b042f | 1907 | MSG("Tracked process attributes"); |
ebbf5ab7 JR |
1908 | /* Trackers listing */ |
1909 | if (lttng_opt_mi) { | |
1910 | ret = mi_lttng_trackers_open(writer); | |
1911 | if (ret) { | |
1912 | goto end; | |
1913 | } | |
1914 | } | |
1915 | ||
83d6d6c4 JR |
1916 | switch (domain->type) { |
1917 | case LTTNG_DOMAIN_KERNEL: | |
1918 | /* pid tracker */ | |
159b042f | 1919 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_PROCESS_ID); |
83d6d6c4 JR |
1920 | if (ret) { |
1921 | goto end; | |
1922 | } | |
1923 | /* vpid tracker */ | |
159b042f JG |
1924 | ret = list_process_attr_tracker( |
1925 | LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID); | |
83d6d6c4 JR |
1926 | if (ret) { |
1927 | goto end; | |
1928 | } | |
1929 | /* uid tracker */ | |
159b042f | 1930 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_USER_ID); |
83d6d6c4 JR |
1931 | if (ret) { |
1932 | goto end; | |
1933 | } | |
1934 | /* vuid tracker */ | |
159b042f JG |
1935 | ret = list_process_attr_tracker( |
1936 | LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID); | |
83d6d6c4 JR |
1937 | if (ret) { |
1938 | goto end; | |
1939 | } | |
1940 | /* gid tracker */ | |
159b042f | 1941 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_GROUP_ID); |
83d6d6c4 JR |
1942 | if (ret) { |
1943 | goto end; | |
1944 | } | |
1945 | /* vgid tracker */ | |
159b042f JG |
1946 | ret = list_process_attr_tracker( |
1947 | LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID); | |
83d6d6c4 JR |
1948 | if (ret) { |
1949 | goto end; | |
1950 | } | |
1951 | break; | |
1952 | case LTTNG_DOMAIN_UST: | |
1953 | /* vpid tracker */ | |
159b042f JG |
1954 | ret = list_process_attr_tracker( |
1955 | LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID); | |
83d6d6c4 JR |
1956 | if (ret) { |
1957 | goto end; | |
1958 | } | |
1959 | /* vuid tracker */ | |
159b042f JG |
1960 | ret = list_process_attr_tracker( |
1961 | LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID); | |
83d6d6c4 JR |
1962 | if (ret) { |
1963 | goto end; | |
1964 | } | |
1965 | /* vgid tracker */ | |
159b042f JG |
1966 | ret = list_process_attr_tracker( |
1967 | LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID); | |
83d6d6c4 JR |
1968 | if (ret) { |
1969 | goto end; | |
1970 | } | |
1971 | break; | |
1972 | default: | |
1973 | break; | |
ebbf5ab7 | 1974 | } |
159b042f | 1975 | MSG(); |
ebbf5ab7 JR |
1976 | if (lttng_opt_mi) { |
1977 | /* Close trackers element */ | |
1978 | ret = mi_lttng_writer_close_element(writer); | |
1979 | if (ret) { | |
1980 | goto end; | |
1981 | } | |
1982 | } | |
1983 | ||
1984 | end: | |
1985 | return ret; | |
a5dfbb9d MD |
1986 | } |
1987 | ||
66ea93b1 JG |
1988 | static enum cmd_error_code print_periodic_rotation_schedule( |
1989 | const struct lttng_rotation_schedule *schedule) | |
1990 | { | |
1991 | enum cmd_error_code ret; | |
1992 | enum lttng_rotation_status status; | |
1993 | uint64_t value; | |
1994 | ||
1995 | status = lttng_rotation_schedule_periodic_get_period(schedule, | |
1996 | &value); | |
1997 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1998 | ERR("Failed to retrieve period parameter from periodic rotation schedule."); | |
1999 | ret = CMD_ERROR; | |
2000 | goto end; | |
2001 | } | |
2002 | ||
2a1135fa | 2003 | MSG(" timer period: %" PRIu64" %s", value, USEC_UNIT); |
66ea93b1 JG |
2004 | ret = CMD_SUCCESS; |
2005 | end: | |
2006 | return ret; | |
2007 | } | |
2008 | ||
2009 | static enum cmd_error_code print_size_threshold_rotation_schedule( | |
2010 | const struct lttng_rotation_schedule *schedule) | |
2011 | { | |
2012 | enum cmd_error_code ret; | |
2013 | enum lttng_rotation_status status; | |
2014 | uint64_t value; | |
2015 | ||
2016 | status = lttng_rotation_schedule_size_threshold_get_threshold(schedule, | |
2017 | &value); | |
2018 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
2019 | ERR("Failed to retrieve size parameter from size-based rotation schedule."); | |
2020 | ret = CMD_ERROR; | |
2021 | goto end; | |
2022 | } | |
2023 | ||
2024 | MSG(" size threshold: %" PRIu64" bytes", value); | |
66ea93b1 JG |
2025 | ret = CMD_SUCCESS; |
2026 | end: | |
2027 | return ret; | |
2028 | } | |
2029 | ||
2030 | static enum cmd_error_code print_rotation_schedule( | |
2031 | const struct lttng_rotation_schedule *schedule) | |
2032 | { | |
2033 | enum cmd_error_code ret; | |
2034 | ||
2035 | switch (lttng_rotation_schedule_get_type(schedule)) { | |
2036 | case LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD: | |
2037 | ret = print_size_threshold_rotation_schedule(schedule); | |
2038 | break; | |
2039 | case LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC: | |
2040 | ret = print_periodic_rotation_schedule(schedule); | |
2041 | break; | |
2042 | default: | |
2043 | ret = CMD_ERROR; | |
2044 | } | |
2045 | return ret; | |
2046 | } | |
2047 | ||
329f3443 | 2048 | /* |
66ea93b1 | 2049 | * List the automatic rotation settings. |
329f3443 | 2050 | */ |
66ea93b1 | 2051 | static enum cmd_error_code list_rotate_settings(const char *session_name) |
329f3443 JD |
2052 | { |
2053 | int ret; | |
66ea93b1 JG |
2054 | enum cmd_error_code cmd_ret = CMD_SUCCESS; |
2055 | unsigned int count, i; | |
2056 | struct lttng_rotation_schedules *schedules = NULL; | |
2057 | enum lttng_rotation_status status; | |
2058 | ||
2059 | ret = lttng_session_list_rotation_schedules(session_name, &schedules); | |
2060 | if (ret != LTTNG_OK) { | |
2061 | ERR("Failed to list session rotation schedules: %s", lttng_strerror(ret)); | |
2062 | cmd_ret = CMD_ERROR; | |
329f3443 JD |
2063 | goto end; |
2064 | } | |
2065 | ||
66ea93b1 JG |
2066 | status = lttng_rotation_schedules_get_count(schedules, &count); |
2067 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
2068 | ERR("Failed to retrieve the number of session rotation schedules."); | |
2069 | cmd_ret = CMD_ERROR; | |
329f3443 JD |
2070 | goto end; |
2071 | } | |
2072 | ||
66ea93b1 JG |
2073 | if (count == 0) { |
2074 | cmd_ret = CMD_SUCCESS; | |
329f3443 JD |
2075 | goto end; |
2076 | } | |
2077 | ||
66ea93b1 JG |
2078 | MSG("Automatic rotation schedules:"); |
2079 | if (lttng_opt_mi) { | |
2080 | ret = mi_lttng_writer_open_element(writer, | |
2081 | mi_lttng_element_rotation_schedules); | |
2082 | if (ret) { | |
2083 | cmd_ret = CMD_ERROR; | |
2084 | goto end; | |
329f3443 JD |
2085 | } |
2086 | } | |
66ea93b1 JG |
2087 | |
2088 | for (i = 0; i < count; i++) { | |
2089 | enum cmd_error_code tmp_ret = CMD_SUCCESS; | |
2090 | const struct lttng_rotation_schedule *schedule; | |
2091 | ||
2092 | schedule = lttng_rotation_schedules_get_at_index(schedules, i); | |
2093 | if (!schedule) { | |
2094 | ERR("Failed to retrieve session rotation schedule."); | |
2095 | cmd_ret = CMD_ERROR; | |
2096 | goto end; | |
2097 | } | |
2098 | ||
329f3443 | 2099 | if (lttng_opt_mi) { |
66ea93b1 | 2100 | ret = mi_lttng_rotation_schedule(writer, schedule); |
329f3443 | 2101 | if (ret) { |
66ea93b1 | 2102 | tmp_ret = CMD_ERROR; |
329f3443 | 2103 | } |
66ea93b1 JG |
2104 | } else { |
2105 | tmp_ret = print_rotation_schedule(schedule); | |
329f3443 | 2106 | } |
66ea93b1 JG |
2107 | |
2108 | /* | |
2109 | * Report an error if the serialization of any of the | |
2110 | * descriptors failed. | |
2111 | */ | |
2112 | cmd_ret = cmd_ret ? cmd_ret : tmp_ret; | |
329f3443 | 2113 | } |
329f3443 | 2114 | |
66ea93b1 JG |
2115 | _MSG("\n"); |
2116 | if (lttng_opt_mi) { | |
2117 | /* Close the rotation_schedules element. */ | |
2118 | ret = mi_lttng_writer_close_element(writer); | |
2119 | if (ret) { | |
2120 | cmd_ret = CMD_ERROR; | |
2121 | goto end; | |
2122 | } | |
2123 | } | |
329f3443 | 2124 | end: |
66ea93b1 JG |
2125 | lttng_rotation_schedules_destroy(schedules); |
2126 | return cmd_ret; | |
329f3443 JD |
2127 | } |
2128 | ||
fb14d0d8 JR |
2129 | /* |
2130 | * Machine interface | |
2131 | * Find the session with session_name as name | |
2132 | * and print his informations. | |
2133 | */ | |
2134 | static int mi_list_session(const char *session_name, | |
2135 | struct lttng_session *sessions, int count) | |
2136 | { | |
2137 | int ret, i; | |
2138 | unsigned int session_found = 0; | |
2139 | ||
2140 | if (session_name == NULL) { | |
2141 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
2142 | goto end; | |
2143 | } | |
2144 | ||
2145 | for (i = 0; i < count; i++) { | |
2146 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
2147 | /* We need to leave it open to append other informations | |
2148 | * like domain, channel, events etc.*/ | |
2149 | session_found = 1; | |
2150 | ret = mi_lttng_session(writer, &sessions[i], 1); | |
2151 | if (ret) { | |
2152 | goto end; | |
2153 | } | |
9f19cc17 | 2154 | break; |
f3ed775e | 2155 | } |
f3ed775e DG |
2156 | } |
2157 | ||
fb14d0d8 JR |
2158 | if (!session_found) { |
2159 | ERR("Session '%s' not found", session_name); | |
2160 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
2161 | goto end; | |
9f19cc17 | 2162 | } |
f3ed775e | 2163 | |
fb14d0d8 JR |
2164 | end: |
2165 | return ret; | |
2166 | } | |
f3ed775e | 2167 | |
fb14d0d8 JR |
2168 | /* |
2169 | * Machine interface | |
2170 | * List all availables session | |
2171 | */ | |
2172 | static int mi_list_sessions(struct lttng_session *sessions, int count) | |
2173 | { | |
2174 | int ret, i; | |
ae856491 | 2175 | |
fb14d0d8 JR |
2176 | /* Opening sessions element */ |
2177 | ret = mi_lttng_sessions_open(writer); | |
2178 | if (ret) { | |
2179 | goto end; | |
2180 | } | |
2181 | ||
2182 | /* Listing sessions */ | |
2183 | for (i = 0; i < count; i++) { | |
2184 | ret = mi_lttng_session(writer, &sessions[i], 0); | |
2185 | if (ret) { | |
2186 | goto end; | |
2187 | } | |
2188 | } | |
2189 | ||
2190 | /* Closing sessions element */ | |
2191 | ret = mi_lttng_writer_close_element(writer); | |
2192 | if (ret) { | |
2193 | goto end; | |
2194 | } | |
2195 | ||
2196 | end: | |
f3ed775e DG |
2197 | return ret; |
2198 | } | |
2199 | ||
2200 | /* | |
9f19cc17 | 2201 | * List available tracing session. List only basic information. |
f3ed775e | 2202 | * |
9f19cc17 | 2203 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 2204 | */ |
9f19cc17 | 2205 | static int list_sessions(const char *session_name) |
f3ed775e | 2206 | { |
fb14d0d8 JR |
2207 | int ret = CMD_SUCCESS; |
2208 | int count, i; | |
9f19cc17 | 2209 | unsigned int session_found = 0; |
aff0fa72 | 2210 | struct lttng_session *sessions = NULL; |
9f19cc17 DG |
2211 | |
2212 | count = lttng_list_sessions(&sessions); | |
2213 | DBG("Session count %d", count); | |
2214 | if (count < 0) { | |
fb14d0d8 JR |
2215 | ret = CMD_ERROR; |
2216 | ERR("%s", lttng_strerror(count)); | |
d32fb093 | 2217 | goto end; |
9f19cc17 DG |
2218 | } |
2219 | ||
fb14d0d8 JR |
2220 | if (lttng_opt_mi) { |
2221 | /* Mi */ | |
2222 | if (session_name == NULL) { | |
aff0fa72 | 2223 | /* List all sessions */ |
fb14d0d8 JR |
2224 | ret = mi_list_sessions(sessions, count); |
2225 | } else { | |
2226 | /* Note : this return an open session element */ | |
2227 | ret = mi_list_session(session_name, sessions, count); | |
2228 | } | |
2229 | if (ret) { | |
2230 | ret = CMD_ERROR; | |
aff0fa72 | 2231 | goto end; |
fb14d0d8 JR |
2232 | } |
2233 | } else { | |
2234 | /* Pretty print */ | |
2235 | if (count == 0) { | |
2236 | MSG("Currently no available tracing session"); | |
fb14d0d8 JR |
2237 | goto end; |
2238 | } | |
9f19cc17 | 2239 | |
fb14d0d8 JR |
2240 | if (session_name == NULL) { |
2241 | MSG("Available tracing sessions:"); | |
2242 | } | |
2243 | ||
fb14d0d8 JR |
2244 | for (i = 0; i < count; i++) { |
2245 | if (session_name != NULL) { | |
2246 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
2247 | session_found = 1; | |
2248 | MSG("Tracing session %s: [%s%s]", session_name, | |
2249 | active_string(sessions[i].enabled), | |
2250 | snapshot_string(sessions[i].snapshot_mode)); | |
5b89fc92 JG |
2251 | if (*sessions[i].path) { |
2252 | MSG("%sTrace output: %s\n", indent4, sessions[i].path); | |
2253 | } | |
e50e81d3 JG |
2254 | memcpy(&listed_session, &sessions[i], |
2255 | sizeof(listed_session)); | |
fb14d0d8 JR |
2256 | break; |
2257 | } | |
2258 | } else { | |
5b89fc92 JG |
2259 | MSG(" %d) %s [%s%s]", i + 1, |
2260 | sessions[i].name, | |
2cbf8fed DG |
2261 | active_string(sessions[i].enabled), |
2262 | snapshot_string(sessions[i].snapshot_mode)); | |
5b89fc92 JG |
2263 | if (*sessions[i].path) { |
2264 | MSG("%sTrace output: %s", indent4, sessions[i].path); | |
2265 | } | |
fcbc96a2 | 2266 | if (sessions[i].live_timer_interval != 0) { |
5b89fc92 JG |
2267 | MSG("%sLive timer interval: %u %s", indent4, |
2268 | sessions[i].live_timer_interval, | |
2269 | USEC_UNIT); | |
fcbc96a2 JG |
2270 | } |
2271 | MSG(""); | |
9f19cc17 | 2272 | } |
fb14d0d8 JR |
2273 | } |
2274 | ||
2275 | if (!session_found && session_name != NULL) { | |
2276 | ERR("Session '%s' not found", session_name); | |
2277 | ret = CMD_ERROR; | |
aff0fa72 | 2278 | goto end; |
fb14d0d8 JR |
2279 | } |
2280 | ||
2281 | if (session_name == NULL) { | |
2282 | MSG("\nUse lttng list <session_name> for more details"); | |
9f19cc17 DG |
2283 | } |
2284 | } | |
2285 | ||
fb14d0d8 | 2286 | end: |
aff0fa72 | 2287 | free(sessions); |
fb14d0d8 JR |
2288 | return ret; |
2289 | } | |
9f19cc17 | 2290 | |
fb14d0d8 JR |
2291 | |
2292 | /* | |
2293 | * Machine Interface | |
2294 | * list available domain(s) for a session. | |
2295 | */ | |
2296 | static int mi_list_domains(struct lttng_domain *domains, int count) | |
2297 | { | |
2298 | int i, ret; | |
2299 | /* Open domains element */ | |
2300 | ret = mi_lttng_domains_open(writer); | |
2301 | if (ret) { | |
2302 | goto end; | |
9f19cc17 DG |
2303 | } |
2304 | ||
fb14d0d8 JR |
2305 | for (i = 0; i < count; i++) { |
2306 | ret = mi_lttng_domain(writer, &domains[i] , 0); | |
2307 | if (ret) { | |
2308 | goto end; | |
2309 | } | |
9f19cc17 | 2310 | } |
f3ed775e | 2311 | |
fb14d0d8 JR |
2312 | /* Closing domains element */ |
2313 | ret = mi_lttng_writer_close_element(writer); | |
2314 | if (ret) { | |
2315 | goto end; | |
2316 | } | |
d32fb093 | 2317 | end: |
f3ed775e DG |
2318 | return ret; |
2319 | } | |
f3ed775e DG |
2320 | |
2321 | /* | |
9f19cc17 | 2322 | * List available domain(s) for a session. |
f3ed775e | 2323 | */ |
330be774 | 2324 | static int list_domains(const char *session_name) |
f3ed775e | 2325 | { |
9f19cc17 DG |
2326 | int i, count, ret = CMD_SUCCESS; |
2327 | struct lttng_domain *domains = NULL; | |
2328 | ||
9f19cc17 | 2329 | |
330be774 | 2330 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 | 2331 | if (count < 0) { |
fb14d0d8 JR |
2332 | ret = CMD_ERROR; |
2333 | ERR("%s", lttng_strerror(count)); | |
9f19cc17 DG |
2334 | goto end; |
2335 | } | |
2336 | ||
fb14d0d8 JR |
2337 | if (lttng_opt_mi) { |
2338 | /* Mi output */ | |
2339 | ret = mi_list_domains(domains, count); | |
2340 | if (ret) { | |
2341 | ret = CMD_ERROR; | |
2342 | goto error; | |
2343 | } | |
2344 | } else { | |
2345 | /* Pretty print */ | |
2346 | MSG("Domains:\n-------------"); | |
2347 | if (count == 0) { | |
2348 | MSG(" None"); | |
2349 | goto end; | |
2350 | } | |
2351 | ||
2352 | for (i = 0; i < count; i++) { | |
2353 | switch (domains[i].type) { | |
2354 | case LTTNG_DOMAIN_KERNEL: | |
2355 | MSG(" - Kernel"); | |
2356 | break; | |
2357 | case LTTNG_DOMAIN_UST: | |
2358 | MSG(" - UST global"); | |
2359 | break; | |
2360 | case LTTNG_DOMAIN_JUL: | |
2361 | MSG(" - JUL (Java Util Logging)"); | |
2362 | break; | |
5cdb6027 DG |
2363 | case LTTNG_DOMAIN_LOG4J: |
2364 | MSG(" - LOG4j (Logging for Java)"); | |
2365 | break; | |
0e115563 DG |
2366 | case LTTNG_DOMAIN_PYTHON: |
2367 | MSG(" - Python (logging)"); | |
2368 | break; | |
fb14d0d8 JR |
2369 | default: |
2370 | break; | |
2371 | } | |
9f19cc17 DG |
2372 | } |
2373 | } | |
2374 | ||
fb14d0d8 | 2375 | error: |
9f19cc17 DG |
2376 | free(domains); |
2377 | ||
fb14d0d8 | 2378 | end: |
9f19cc17 | 2379 | return ret; |
f3ed775e | 2380 | } |
f3ed775e DG |
2381 | |
2382 | /* | |
9f19cc17 | 2383 | * The 'list <options>' first level command |
f3ed775e DG |
2384 | */ |
2385 | int cmd_list(int argc, const char **argv) | |
2386 | { | |
c617c0c6 | 2387 | int opt, ret = CMD_SUCCESS; |
68c7f6e5 | 2388 | const char *session_name, *leftover = NULL; |
f3ed775e | 2389 | static poptContext pc; |
9f19cc17 DG |
2390 | struct lttng_domain domain; |
2391 | struct lttng_domain *domains = NULL; | |
f3ed775e | 2392 | |
441c16a7 MD |
2393 | memset(&domain, 0, sizeof(domain)); |
2394 | ||
9f19cc17 | 2395 | if (argc < 1) { |
ca1c3607 | 2396 | ret = CMD_ERROR; |
f3ed775e DG |
2397 | goto end; |
2398 | } | |
2399 | ||
2400 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
2401 | poptReadDefaultConfig(pc, 0); | |
2402 | ||
2403 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
2404 | switch (opt) { | |
2405 | case OPT_HELP: | |
4ba92f18 | 2406 | SHOW_HELP(); |
f3ed775e | 2407 | goto end; |
eeac7d46 MD |
2408 | case OPT_USERSPACE: |
2409 | opt_userspace = 1; | |
eeac7d46 | 2410 | break; |
679b4943 SM |
2411 | case OPT_LIST_OPTIONS: |
2412 | list_cmd_options(stdout, long_options); | |
679b4943 | 2413 | goto end; |
f3ed775e | 2414 | default: |
f3ed775e DG |
2415 | ret = CMD_UNDEFINED; |
2416 | goto end; | |
2417 | } | |
2418 | } | |
2419 | ||
fb14d0d8 JR |
2420 | /* Mi check */ |
2421 | if (lttng_opt_mi) { | |
2422 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
2423 | if (!writer) { | |
2424 | ret = CMD_ERROR; | |
2425 | goto end; | |
2426 | } | |
2427 | ||
2428 | /* Open command element */ | |
2429 | ret = mi_lttng_writer_command_open(writer, | |
2430 | mi_lttng_element_command_list); | |
2431 | if (ret) { | |
2432 | ret = CMD_ERROR; | |
2433 | goto end; | |
2434 | } | |
2435 | ||
2436 | /* Open output element */ | |
2437 | ret = mi_lttng_writer_open_element(writer, | |
2438 | mi_lttng_element_command_output); | |
2439 | if (ret) { | |
2440 | ret = CMD_ERROR; | |
2441 | goto end; | |
2442 | } | |
2443 | } | |
2444 | ||
9f19cc17 DG |
2445 | /* Get session name (trailing argument) */ |
2446 | session_name = poptGetArg(pc); | |
b551a063 | 2447 | DBG2("Session name: %s", session_name); |
9f19cc17 | 2448 | |
68c7f6e5 JD |
2449 | leftover = poptGetArg(pc); |
2450 | if (leftover) { | |
2451 | ERR("Unknown argument: %s", leftover); | |
2452 | ret = CMD_ERROR; | |
2453 | goto end; | |
2454 | } | |
2455 | ||
cd80958d DG |
2456 | if (opt_kernel) { |
2457 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
2458 | } else if (opt_userspace) { |
2459 | DBG2("Listing userspace global domain"); | |
2460 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
2461 | } else if (opt_jul) { |
2462 | DBG2("Listing JUL domain"); | |
2463 | domain.type = LTTNG_DOMAIN_JUL; | |
edf60534 | 2464 | } else if (opt_log4j) { |
5cdb6027 | 2465 | domain.type = LTTNG_DOMAIN_LOG4J; |
0e115563 DG |
2466 | } else if (opt_python) { |
2467 | domain.type = LTTNG_DOMAIN_PYTHON; | |
cd80958d DG |
2468 | } |
2469 | ||
834978fd DG |
2470 | if (!opt_kernel && opt_syscall) { |
2471 | WARN("--syscall will only work with the Kernel domain (-k)"); | |
2472 | ret = CMD_ERROR; | |
2473 | goto end; | |
2474 | } | |
2475 | ||
0e115563 | 2476 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_python) { |
aa5de748 MD |
2477 | handle = lttng_create_handle(session_name, &domain); |
2478 | if (handle == NULL) { | |
2479 | ret = CMD_FATAL; | |
2480 | goto end; | |
2481 | } | |
cd80958d DG |
2482 | } |
2483 | ||
9f19cc17 | 2484 | if (session_name == NULL) { |
0e115563 DG |
2485 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j |
2486 | && !opt_python) { | |
b551a063 | 2487 | ret = list_sessions(NULL); |
fb14d0d8 | 2488 | if (ret) { |
b551a063 DG |
2489 | goto end; |
2490 | } | |
2491 | } | |
9f19cc17 | 2492 | if (opt_kernel) { |
834978fd DG |
2493 | if (opt_syscall) { |
2494 | ret = list_syscalls(); | |
2495 | if (ret) { | |
2496 | goto end; | |
2497 | } | |
2498 | } else { | |
2499 | ret = list_kernel_events(); | |
2500 | if (ret) { | |
2501 | goto end; | |
2502 | } | |
9f19cc17 | 2503 | } |
b551a063 DG |
2504 | } |
2505 | if (opt_userspace) { | |
f37d259d MD |
2506 | if (opt_fields) { |
2507 | ret = list_ust_event_fields(); | |
2508 | } else { | |
2509 | ret = list_ust_events(); | |
2510 | } | |
fb14d0d8 | 2511 | if (ret) { |
9f19cc17 DG |
2512 | goto end; |
2513 | } | |
2514 | } | |
0e115563 | 2515 | if (opt_jul || opt_log4j || opt_python) { |
5cdb6027 | 2516 | ret = list_agent_events(); |
fb14d0d8 | 2517 | if (ret) { |
3c6a091f DG |
2518 | goto end; |
2519 | } | |
2520 | } | |
9f19cc17 DG |
2521 | } else { |
2522 | /* List session attributes */ | |
fb14d0d8 JR |
2523 | if (lttng_opt_mi) { |
2524 | /* Open element sessions | |
2525 | * Present for xml consistency */ | |
2526 | ret = mi_lttng_sessions_open(writer); | |
2527 | if (ret) { | |
2528 | goto end; | |
2529 | } | |
2530 | } | |
2531 | /* MI: the ouptut of list_sessions is an unclosed session element */ | |
9f19cc17 | 2532 | ret = list_sessions(session_name); |
fb14d0d8 | 2533 | if (ret) { |
9f19cc17 DG |
2534 | goto end; |
2535 | } | |
2536 | ||
329f3443 JD |
2537 | ret = list_rotate_settings(session_name); |
2538 | if (ret) { | |
2539 | goto end; | |
2540 | } | |
2541 | ||
9f19cc17 DG |
2542 | /* Domain listing */ |
2543 | if (opt_domain) { | |
330be774 | 2544 | ret = list_domains(session_name); |
9f19cc17 DG |
2545 | goto end; |
2546 | } | |
2547 | ||
fb14d0d8 | 2548 | /* Channel listing */ |
1c3de747 | 2549 | if (opt_kernel || opt_userspace) { |
fb14d0d8 JR |
2550 | if (lttng_opt_mi) { |
2551 | /* Add of domains and domain element for xml | |
2552 | * consistency and validation | |
2553 | */ | |
2554 | ret = mi_lttng_domains_open(writer); | |
2555 | if (ret) { | |
2556 | goto end; | |
2557 | } | |
2558 | ||
2559 | /* Open domain and leave it open for | |
2560 | * nested channels printing */ | |
2561 | ret = mi_lttng_domain(writer, &domain, 1); | |
2562 | if (ret) { | |
2563 | goto end; | |
2564 | } | |
2565 | ||
2566 | } | |
2567 | ||
ebbf5ab7 JR |
2568 | |
2569 | /* Trackers */ | |
83d6d6c4 | 2570 | ret = list_trackers(&domain); |
a5dfbb9d MD |
2571 | if (ret) { |
2572 | goto end; | |
2573 | } | |
2574 | ||
ebbf5ab7 | 2575 | /* Channels */ |
cd80958d | 2576 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
2577 | if (ret) { |
2578 | goto end; | |
2579 | } | |
2580 | ||
ebdb334b JR |
2581 | ret = list_maps(opt_map); |
2582 | if (ret) { | |
2583 | goto end; | |
2584 | } | |
2585 | ||
fb14d0d8 JR |
2586 | if (lttng_opt_mi) { |
2587 | /* Close domain and domain element */ | |
2588 | ret = mi_lttng_close_multi_element(writer, 2); | |
2589 | } | |
2590 | if (ret) { | |
9f19cc17 DG |
2591 | goto end; |
2592 | } | |
fb14d0d8 JR |
2593 | |
2594 | ||
9f19cc17 | 2595 | } else { |
c617c0c6 MD |
2596 | int i, nb_domain; |
2597 | ||
9f19cc17 | 2598 | /* We want all domain(s) */ |
330be774 | 2599 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 2600 | if (nb_domain < 0) { |
fb14d0d8 JR |
2601 | ret = CMD_ERROR; |
2602 | ERR("%s", lttng_strerror(nb_domain)); | |
9f19cc17 DG |
2603 | goto end; |
2604 | } | |
2605 | ||
fb14d0d8 JR |
2606 | if (lttng_opt_mi) { |
2607 | ret = mi_lttng_domains_open(writer); | |
2608 | if (ret) { | |
2609 | ret = CMD_ERROR; | |
2610 | goto end; | |
2611 | } | |
2612 | } | |
2613 | ||
b551a063 | 2614 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
2615 | switch (domains[i].type) { |
2616 | case LTTNG_DOMAIN_KERNEL: | |
ac41e67e | 2617 | MSG("=== Domain: Linux kernel ===\n"); |
9f19cc17 | 2618 | break; |
b551a063 | 2619 | case LTTNG_DOMAIN_UST: |
ac41e67e | 2620 | MSG("=== Domain: User space ===\n"); |
74707e6e | 2621 | MSG("Buffering scheme: %s\n", |
88c5f0d8 | 2622 | domains[i].buf_type == |
74707e6e | 2623 | LTTNG_BUFFER_PER_PID ? "per-process" : "per-user"); |
b551a063 | 2624 | break; |
3c6a091f | 2625 | case LTTNG_DOMAIN_JUL: |
ac41e67e | 2626 | MSG("=== Domain: java.util.logging (JUL) ===\n"); |
3c6a091f | 2627 | break; |
5cdb6027 | 2628 | case LTTNG_DOMAIN_LOG4J: |
ac41e67e | 2629 | MSG("=== Domain: log4j ===\n"); |
5cdb6027 | 2630 | break; |
0e115563 | 2631 | case LTTNG_DOMAIN_PYTHON: |
ac41e67e | 2632 | MSG("=== Domain: Python logging ===\n"); |
0e115563 | 2633 | break; |
9f19cc17 DG |
2634 | default: |
2635 | MSG("=== Domain: Unimplemented ===\n"); | |
2636 | break; | |
2637 | } | |
2638 | ||
fb14d0d8 JR |
2639 | if (lttng_opt_mi) { |
2640 | ret = mi_lttng_domain(writer, &domains[i], 1); | |
2641 | if (ret) { | |
2642 | ret = CMD_ERROR; | |
2643 | goto end; | |
2644 | } | |
2645 | } | |
2646 | ||
cd80958d | 2647 | /* Clean handle before creating a new one */ |
aa5de748 MD |
2648 | if (handle) { |
2649 | lttng_destroy_handle(handle); | |
2650 | } | |
cd80958d DG |
2651 | |
2652 | handle = lttng_create_handle(session_name, &domains[i]); | |
2653 | if (handle == NULL) { | |
ca1c3607 | 2654 | ret = CMD_FATAL; |
cd80958d DG |
2655 | goto end; |
2656 | } | |
2657 | ||
5cdb6027 | 2658 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
0e115563 DG |
2659 | domains[i].type == LTTNG_DOMAIN_LOG4J || |
2660 | domains[i].type == LTTNG_DOMAIN_PYTHON) { | |
5cdb6027 | 2661 | ret = list_session_agent_events(); |
fb14d0d8 | 2662 | if (ret) { |
3c6a091f DG |
2663 | goto end; |
2664 | } | |
cd7b2927 PP |
2665 | |
2666 | goto next_domain; | |
3c6a091f | 2667 | } |
a5dfbb9d MD |
2668 | |
2669 | switch (domains[i].type) { | |
2670 | case LTTNG_DOMAIN_KERNEL: | |
2671 | case LTTNG_DOMAIN_UST: | |
83d6d6c4 | 2672 | ret = list_trackers(&domains[i]); |
a5dfbb9d MD |
2673 | if (ret) { |
2674 | goto end; | |
2675 | } | |
2676 | break; | |
2677 | default: | |
2678 | break; | |
2679 | } | |
3c6a091f | 2680 | |
cd80958d | 2681 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
2682 | if (ret) { |
2683 | goto end; | |
2684 | } | |
2685 | ||
ebdb334b JR |
2686 | ret = list_maps(opt_map); |
2687 | if (ret) { | |
2688 | goto end; | |
2689 | } | |
2690 | ||
cd7b2927 | 2691 | next_domain: |
fb14d0d8 JR |
2692 | if (lttng_opt_mi) { |
2693 | /* Close domain element */ | |
2694 | ret = mi_lttng_writer_close_element(writer); | |
2695 | if (ret) { | |
2696 | ret = CMD_ERROR; | |
2697 | goto end; | |
2698 | } | |
2699 | } | |
2700 | ||
2701 | } | |
2702 | if (lttng_opt_mi) { | |
2703 | /* Close the domains, session and sessions element */ | |
2704 | ret = mi_lttng_close_multi_element(writer, 3); | |
2705 | if (ret) { | |
2706 | ret = CMD_ERROR; | |
9f19cc17 DG |
2707 | goto end; |
2708 | } | |
2709 | } | |
2710 | } | |
f3ed775e DG |
2711 | } |
2712 | ||
fb14d0d8 JR |
2713 | /* Mi closing */ |
2714 | if (lttng_opt_mi) { | |
2715 | /* Close output element */ | |
2716 | ret = mi_lttng_writer_close_element(writer); | |
2717 | if (ret) { | |
2718 | ret = CMD_ERROR; | |
2719 | goto end; | |
2720 | } | |
2721 | ||
2722 | /* Command element close */ | |
2723 | ret = mi_lttng_writer_command_close(writer); | |
2724 | if (ret) { | |
2725 | ret = CMD_ERROR; | |
2726 | goto end; | |
2727 | } | |
2728 | } | |
f3ed775e | 2729 | end: |
fb14d0d8 JR |
2730 | /* Mi clean-up */ |
2731 | if (writer && mi_lttng_writer_destroy(writer)) { | |
2732 | /* Preserve original error code */ | |
2733 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
2734 | } | |
2735 | ||
0e428499 | 2736 | free(domains); |
aa5de748 MD |
2737 | if (handle) { |
2738 | lttng_destroy_handle(handle); | |
2739 | } | |
cd80958d | 2740 | |
ca1c3607 | 2741 | poptFreeContext(pc); |
f3ed775e DG |
2742 | return ret; |
2743 | } |