Commit | Line | Data |
---|---|---|
f3ed775e | 1 | /* |
21cf9b6b | 2 | * Copyright (C) 2011 EfficiOS Inc. |
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 |
28ab034a | 11 | #include "../command.hpp" |
f3ed775e | 12 | |
c9e313bc SM |
13 | #include <common/mi-lttng.hpp> |
14 | #include <common/time.hpp> | |
15 | #include <common/tracker.hpp> | |
28ab034a | 16 | |
c9e313bc | 17 | #include <lttng/domain-internal.hpp> |
050dd639 | 18 | #include <lttng/lttng.h> |
fb14d0d8 | 19 | |
28ab034a JG |
20 | #include <inttypes.h> |
21 | #include <popt.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.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; |
47abf22b | 30 | static int opt_log4j2; |
0e115563 | 31 | static int opt_python; |
9f19cc17 DG |
32 | static char *opt_channel; |
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> | |
28ab034a | 44 | ; |
4fc83d94 PP |
45 | #endif |
46 | ||
f3ed775e DG |
47 | enum { |
48 | OPT_HELP = 1, | |
eeac7d46 | 49 | OPT_USERSPACE, |
679b4943 | 50 | OPT_LIST_OPTIONS, |
f3ed775e DG |
51 | }; |
52 | ||
41493f4a SM |
53 | static struct lttng_handle *the_handle; |
54 | static struct mi_writer *the_writer; | |
cd80958d | 55 | |
e50e81d3 | 56 | /* Only set when listing a single session. */ |
41493f4a | 57 | static struct lttng_session the_listed_session; |
e50e81d3 | 58 | |
f3ed775e DG |
59 | static struct poptOption long_options[] = { |
60 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
cd9adb8b JG |
61 | { "help", 'h', POPT_ARG_NONE, nullptr, OPT_HELP, nullptr, nullptr }, |
62 | { "kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, nullptr, nullptr }, | |
63 | { "jul", 'j', POPT_ARG_VAL, &opt_jul, 1, nullptr, nullptr }, | |
64 | { "log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, nullptr, nullptr }, | |
47abf22b | 65 | { "log4j2", 0, POPT_ARG_VAL, &opt_log4j2, 1, nullptr, nullptr }, |
cd9adb8b JG |
66 | { "python", 'p', POPT_ARG_VAL, &opt_python, 1, nullptr, nullptr }, |
67 | { "userspace", 'u', POPT_ARG_NONE, nullptr, OPT_USERSPACE, nullptr, nullptr }, | |
68 | { "channel", 'c', POPT_ARG_STRING, &opt_channel, 0, nullptr, nullptr }, | |
69 | { "domain", 'd', POPT_ARG_VAL, &opt_domain, 1, nullptr, nullptr }, | |
70 | { "fields", 'f', POPT_ARG_VAL, &opt_fields, 1, nullptr, nullptr }, | |
71 | { "syscall", 'S', POPT_ARG_VAL, &opt_syscall, 1, nullptr, nullptr }, | |
72 | { "list-options", 0, POPT_ARG_NONE, nullptr, OPT_LIST_OPTIONS, nullptr, nullptr }, | |
73 | { nullptr, 0, 0, nullptr, 0, nullptr, nullptr } | |
f3ed775e DG |
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; | |
cd9adb8b JG |
85 | FILE *fp = nullptr; |
86 | char *cmdline = nullptr; | |
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"); | |
cd9adb8b | 92 | if (fp == nullptr) { |
f3ed775e DG |
93 | goto end; |
94 | } | |
95 | ||
96 | /* Caller must free() *cmdline */ | |
64803277 | 97 | cmdline = zmalloc<char>(PATH_MAX); |
f6962219 | 98 | if (!cmdline) { |
6f04ed72 | 99 | PERROR("malloc cmdline"); |
f6962219 JG |
100 | goto end; |
101 | } | |
64803277 | 102 | |
f3ed775e | 103 | ret = fread(cmdline, 1, PATH_MAX, fp); |
f40799e8 | 104 | if (ret < 0) { |
6f04ed72 | 105 | PERROR("fread proc list"); |
f40799e8 | 106 | } |
f3ed775e DG |
107 | |
108 | end: | |
1ad31aec DG |
109 | if (fp) { |
110 | fclose(fp); | |
111 | } | |
f3ed775e DG |
112 | return cmdline; |
113 | } | |
b551a063 | 114 | |
28ab034a | 115 | static const char *active_string(int value) |
464dd62d MD |
116 | { |
117 | switch (value) { | |
28ab034a JG |
118 | case 0: |
119 | return "inactive"; | |
120 | case 1: | |
121 | return "active"; | |
122 | case -1: | |
123 | return ""; | |
124 | default: | |
cd9adb8b | 125 | return nullptr; |
464dd62d MD |
126 | } |
127 | } | |
128 | ||
2cbf8fed DG |
129 | static const char *snapshot_string(int value) |
130 | { | |
131 | switch (value) { | |
132 | case 1: | |
133 | return " snapshot"; | |
134 | default: | |
135 | return ""; | |
136 | } | |
137 | } | |
138 | ||
28ab034a | 139 | static const char *enabled_string(int value) |
464dd62d MD |
140 | { |
141 | switch (value) { | |
28ab034a JG |
142 | case 0: |
143 | return " [disabled]"; | |
144 | case 1: | |
145 | return " [enabled]"; | |
146 | case -1: | |
147 | return ""; | |
148 | default: | |
cd9adb8b | 149 | return nullptr; |
464dd62d MD |
150 | } |
151 | } | |
152 | ||
28ab034a | 153 | static const char *safe_string(const char *str) |
fceb65df | 154 | { |
7b4a95b1 | 155 | return str ? str : ""; |
4634f12e JI |
156 | } |
157 | ||
1f0e17de DG |
158 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
159 | { | |
160 | switch (value) { | |
af6bce80 DG |
161 | case LTTNG_EVENT_LOGLEVEL_ALL: |
162 | return ":"; | |
1f0e17de | 163 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
af6bce80 | 164 | return " <="; |
1f0e17de | 165 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
af6bce80 | 166 | return " =="; |
1f0e17de | 167 | default: |
af6bce80 | 168 | return " <<TYPE UNKN>>"; |
1f0e17de DG |
169 | } |
170 | } | |
171 | ||
834978fd DG |
172 | static const char *bitness_event(enum lttng_event_flag flags) |
173 | { | |
174 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_32) { | |
175 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
176 | return " [32/64-bit]"; | |
177 | } else { | |
178 | return " [32-bit]"; | |
179 | } | |
180 | } else if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
181 | return " [64-bit]"; | |
182 | } else { | |
183 | return ""; | |
184 | } | |
185 | } | |
186 | ||
7b4a95b1 PP |
187 | /* |
188 | * Get exclusion names message for a single event. | |
189 | * | |
190 | * Returned pointer must be freed by caller. Returns NULL on error. | |
191 | */ | |
192 | static char *get_exclusion_names_msg(struct lttng_event *event) | |
193 | { | |
194 | int ret; | |
195 | int exclusion_count; | |
cd9adb8b | 196 | char *exclusion_msg = nullptr; |
7b4a95b1 | 197 | char *at; |
7b4a95b1 | 198 | size_t i; |
28ab034a | 199 | const char *const exclusion_fmt = " [exclusions: "; |
19ed7632 | 200 | const size_t exclusion_fmt_len = strlen(exclusion_fmt); |
7b4a95b1 PP |
201 | |
202 | exclusion_count = lttng_event_get_exclusion_name_count(event); | |
203 | if (exclusion_count < 0) { | |
204 | goto end; | |
205 | } else if (exclusion_count == 0) { | |
206 | /* | |
207 | * No exclusions: return copy of empty string so that | |
208 | * it can be freed by caller. | |
209 | */ | |
210 | exclusion_msg = strdup(""); | |
211 | goto end; | |
212 | } | |
213 | ||
214 | /* | |
215 | * exclusion_msg's size is bounded by the exclusion_fmt string, | |
216 | * a comma per entry, the entry count (fixed-size), a closing | |
217 | * bracket, and a trailing \0. | |
218 | */ | |
28ab034a JG |
219 | exclusion_msg = (char *) malloc(exclusion_count + exclusion_count * LTTNG_SYMBOL_NAME_LEN + |
220 | exclusion_fmt_len + 1); | |
7b4a95b1 PP |
221 | if (!exclusion_msg) { |
222 | goto end; | |
223 | } | |
224 | ||
19ed7632 | 225 | at = strcpy(exclusion_msg, exclusion_fmt) + exclusion_fmt_len; |
7b4a95b1 PP |
226 | for (i = 0; i < exclusion_count; ++i) { |
227 | const char *name; | |
228 | ||
229 | /* Append comma between exclusion names */ | |
230 | if (i > 0) { | |
231 | *at = ','; | |
232 | at++; | |
233 | } | |
234 | ||
235 | ret = lttng_event_get_exclusion_name(event, i, &name); | |
236 | if (ret) { | |
237 | /* Prints '?' on local error; should never happen */ | |
238 | *at = '?'; | |
239 | at++; | |
240 | continue; | |
241 | } | |
242 | ||
243 | /* Append exclusion name */ | |
31e40170 | 244 | at += sprintf(at, "%s", name); |
7b4a95b1 PP |
245 | } |
246 | ||
247 | /* This also puts a final '\0' at the end of exclusion_msg */ | |
19ed7632 | 248 | strcpy(at, "]"); |
7b4a95b1 PP |
249 | |
250 | end: | |
251 | return exclusion_msg; | |
252 | } | |
253 | ||
b955b4d4 FD |
254 | static void print_userspace_probe_location(struct lttng_event *event) |
255 | { | |
87597c2c JG |
256 | const struct lttng_userspace_probe_location *location; |
257 | const struct lttng_userspace_probe_location_lookup_method *lookup_method; | |
b955b4d4 FD |
258 | enum lttng_userspace_probe_location_lookup_method_type lookup_type; |
259 | ||
260 | location = lttng_event_get_userspace_probe_location(event); | |
261 | if (!location) { | |
262 | MSG("Event has no userspace probe location"); | |
263 | return; | |
264 | } | |
265 | ||
266 | lookup_method = lttng_userspace_probe_location_get_lookup_method(location); | |
267 | if (!lookup_method) { | |
268 | MSG("Event has no userspace probe location lookup method"); | |
269 | return; | |
270 | } | |
271 | ||
272 | MSG("%s%s (type: userspace-probe)%s", indent6, event->name, enabled_string(event->enabled)); | |
273 | ||
274 | lookup_type = lttng_userspace_probe_location_lookup_method_get_type(lookup_method); | |
275 | ||
276 | switch (lttng_userspace_probe_location_get_type(location)) { | |
277 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_UNKNOWN: | |
278 | MSG("%sType: Unknown", indent8); | |
279 | break; | |
280 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION: | |
281 | { | |
282 | const char *function_name; | |
4df1f2d4 | 283 | char *binary_path; |
b955b4d4 FD |
284 | |
285 | MSG("%sType: Function", indent8); | |
286 | function_name = lttng_userspace_probe_location_function_get_function_name(location); | |
28ab034a | 287 | binary_path = realpath( |
cd9adb8b | 288 | lttng_userspace_probe_location_function_get_binary_path(location), nullptr); |
b955b4d4 FD |
289 | |
290 | MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL"); | |
291 | MSG("%sFunction: %s()", indent8, function_name ? function_name : "NULL"); | |
292 | switch (lookup_type) { | |
293 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF: | |
294 | MSG("%sLookup method: ELF", indent8); | |
295 | break; | |
296 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_DEFAULT: | |
297 | MSG("%sLookup method: default", indent8); | |
298 | break; | |
299 | default: | |
300 | MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8); | |
301 | break; | |
302 | } | |
4df1f2d4 JG |
303 | |
304 | free(binary_path); | |
b955b4d4 FD |
305 | break; |
306 | } | |
307 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT: | |
308 | { | |
309 | const char *probe_name, *provider_name; | |
4df1f2d4 | 310 | char *binary_path; |
b955b4d4 FD |
311 | |
312 | MSG("%sType: Tracepoint", indent8); | |
313 | probe_name = lttng_userspace_probe_location_tracepoint_get_probe_name(location); | |
28ab034a JG |
314 | provider_name = |
315 | lttng_userspace_probe_location_tracepoint_get_provider_name(location); | |
316 | binary_path = realpath( | |
cd9adb8b JG |
317 | lttng_userspace_probe_location_tracepoint_get_binary_path(location), |
318 | nullptr); | |
b955b4d4 | 319 | MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL"); |
28ab034a JG |
320 | MSG("%sTracepoint: %s:%s", |
321 | indent8, | |
322 | provider_name ? provider_name : "NULL", | |
323 | probe_name ? probe_name : "NULL"); | |
b955b4d4 FD |
324 | switch (lookup_type) { |
325 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_TRACEPOINT_SDT: | |
326 | MSG("%sLookup method: SDT", indent8); | |
327 | break; | |
328 | default: | |
329 | MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8); | |
330 | break; | |
331 | } | |
4df1f2d4 JG |
332 | |
333 | free(binary_path); | |
b955b4d4 FD |
334 | break; |
335 | } | |
336 | default: | |
337 | ERR("Invalid probe type encountered"); | |
338 | } | |
339 | } | |
340 | ||
b551a063 DG |
341 | /* |
342 | * Pretty print single event. | |
343 | */ | |
344 | static void print_events(struct lttng_event *event) | |
345 | { | |
4adbcc72 PP |
346 | int ret; |
347 | const char *filter_str; | |
cd9adb8b JG |
348 | char *filter_msg = nullptr; |
349 | char *exclusion_msg = nullptr; | |
4adbcc72 | 350 | |
134e72ed | 351 | ret = lttng_event_get_filter_expression(event, &filter_str); |
4adbcc72 PP |
352 | |
353 | if (ret) { | |
354 | filter_msg = strdup(" [failed to retrieve filter]"); | |
355 | } else if (filter_str) { | |
411b3154 | 356 | if (asprintf(&filter_msg, " [filter: '%s']", filter_str) == -1) { |
cd9adb8b | 357 | filter_msg = nullptr; |
4adbcc72 PP |
358 | } |
359 | } | |
360 | ||
7b4a95b1 PP |
361 | exclusion_msg = get_exclusion_names_msg(event); |
362 | if (!exclusion_msg) { | |
363 | exclusion_msg = strdup(" [failed to retrieve exclusions]"); | |
364 | } | |
365 | ||
b551a063 DG |
366 | switch (event->type) { |
367 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 368 | { |
8b703175 | 369 | if (event->loglevel != -1) { |
af6bce80 | 370 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
28ab034a JG |
371 | indent6, |
372 | event->name, | |
373 | logleveltype_string(event->loglevel_type), | |
374 | mi_lttng_loglevel_string(event->loglevel, the_handle->domain.type), | |
375 | event->loglevel, | |
376 | enabled_string(event->enabled), | |
377 | safe_string(exclusion_msg), | |
378 | safe_string(filter_msg)); | |
8b703175 | 379 | } else { |
4634f12e | 380 | MSG("%s%s (type: tracepoint)%s%s%s", |
28ab034a JG |
381 | indent6, |
382 | event->name, | |
383 | enabled_string(event->enabled), | |
384 | safe_string(exclusion_msg), | |
385 | safe_string(filter_msg)); | |
8b703175 | 386 | } |
b551a063 | 387 | break; |
e4baff1e | 388 | } |
1896972b | 389 | case LTTNG_EVENT_FUNCTION: |
28ab034a JG |
390 | MSG("%s%s (type: function)%s%s", |
391 | indent6, | |
392 | event->name, | |
393 | enabled_string(event->enabled), | |
394 | safe_string(filter_msg)); | |
1896972b DG |
395 | if (event->attr.probe.addr != 0) { |
396 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
397 | } else { | |
398 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
399 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
400 | } | |
401 | break; | |
b551a063 | 402 | case LTTNG_EVENT_PROBE: |
28ab034a JG |
403 | MSG("%s%s (type: probe)%s%s", |
404 | indent6, | |
405 | event->name, | |
406 | enabled_string(event->enabled), | |
407 | safe_string(filter_msg)); | |
b551a063 DG |
408 | if (event->attr.probe.addr != 0) { |
409 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
410 | } else { | |
411 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
412 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
413 | } | |
414 | break; | |
b955b4d4 FD |
415 | case LTTNG_EVENT_USERSPACE_PROBE: |
416 | print_userspace_probe_location(event); | |
417 | break; | |
b551a063 | 418 | case LTTNG_EVENT_FUNCTION_ENTRY: |
28ab034a JG |
419 | MSG("%s%s (type: function)%s%s", |
420 | indent6, | |
421 | event->name, | |
422 | enabled_string(event->enabled), | |
423 | safe_string(filter_msg)); | |
b551a063 DG |
424 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
425 | break; | |
426 | case LTTNG_EVENT_SYSCALL: | |
28ab034a JG |
427 | MSG("%s%s%s%s%s%s", |
428 | indent6, | |
429 | event->name, | |
430 | (opt_syscall ? "" : " (type:syscall)"), | |
431 | enabled_string(event->enabled), | |
432 | bitness_event(event->flags), | |
433 | safe_string(filter_msg)); | |
b551a063 DG |
434 | break; |
435 | case LTTNG_EVENT_NOOP: | |
28ab034a JG |
436 | MSG("%s (type: noop)%s%s", |
437 | indent6, | |
438 | enabled_string(event->enabled), | |
439 | safe_string(filter_msg)); | |
b551a063 DG |
440 | break; |
441 | case LTTNG_EVENT_ALL: | |
410b78a0 FD |
442 | /* Fall-through. */ |
443 | default: | |
b551a063 | 444 | /* We should never have "all" events in list. */ |
a0377dfe | 445 | abort(); |
b551a063 DG |
446 | break; |
447 | } | |
4adbcc72 PP |
448 | |
449 | free(filter_msg); | |
7b4a95b1 | 450 | free(exclusion_msg); |
b551a063 DG |
451 | } |
452 | ||
f37d259d MD |
453 | static const char *field_type(struct lttng_event_field *field) |
454 | { | |
28ab034a | 455 | switch (field->type) { |
f37d259d MD |
456 | case LTTNG_EVENT_FIELD_INTEGER: |
457 | return "integer"; | |
458 | case LTTNG_EVENT_FIELD_ENUM: | |
459 | return "enum"; | |
460 | case LTTNG_EVENT_FIELD_FLOAT: | |
461 | return "float"; | |
462 | case LTTNG_EVENT_FIELD_STRING: | |
463 | return "string"; | |
464 | case LTTNG_EVENT_FIELD_OTHER: | |
28ab034a | 465 | default: /* fall-through */ |
f37d259d MD |
466 | return "unknown"; |
467 | } | |
468 | } | |
469 | ||
470 | /* | |
471 | * Pretty print single event fields. | |
472 | */ | |
473 | static void print_event_field(struct lttng_event_field *field) | |
474 | { | |
475 | if (!field->field_name[0]) { | |
476 | return; | |
477 | } | |
28ab034a JG |
478 | MSG("%sfield: %s (%s)%s", |
479 | indent8, | |
480 | field->field_name, | |
481 | field_type(field), | |
482 | field->nowrite ? " [no write]" : ""); | |
f37d259d MD |
483 | } |
484 | ||
fb14d0d8 JR |
485 | /* |
486 | * Machine interface | |
487 | * Jul and ust event listing | |
488 | */ | |
28ab034a JG |
489 | static int |
490 | mi_list_agent_ust_events(struct lttng_event *events, int count, struct lttng_domain *domain) | |
fb14d0d8 JR |
491 | { |
492 | int ret, i; | |
493 | pid_t cur_pid = 0; | |
cd9adb8b | 494 | char *cmdline = nullptr; |
fb14d0d8 JR |
495 | int pid_element_open = 0; |
496 | ||
497 | /* Open domains element */ | |
41493f4a | 498 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
499 | if (ret) { |
500 | goto end; | |
501 | } | |
502 | ||
503 | /* Write domain */ | |
41493f4a | 504 | ret = mi_lttng_domain(the_writer, domain, 1); |
fb14d0d8 JR |
505 | if (ret) { |
506 | goto end; | |
507 | } | |
508 | ||
bf239d4c | 509 | /* Open pids element element */ |
41493f4a | 510 | ret = mi_lttng_pids_open(the_writer); |
fb14d0d8 JR |
511 | if (ret) { |
512 | goto end; | |
513 | } | |
514 | ||
515 | for (i = 0; i < count; i++) { | |
516 | if (cur_pid != events[i].pid) { | |
517 | if (pid_element_open) { | |
2e9aecb9 | 518 | /* Close the previous events and pid element */ |
28ab034a | 519 | ret = mi_lttng_close_multi_element(the_writer, 2); |
fb14d0d8 JR |
520 | if (ret) { |
521 | goto end; | |
522 | } | |
523 | pid_element_open = 0; | |
524 | } | |
525 | ||
526 | cur_pid = events[i].pid; | |
527 | cmdline = get_cmdline_by_pid(cur_pid); | |
528 | if (!cmdline) { | |
529 | ret = CMD_ERROR; | |
530 | goto end; | |
531 | } | |
532 | ||
533 | if (!pid_element_open) { | |
534 | /* Open and write a pid element */ | |
28ab034a | 535 | ret = mi_lttng_pid(the_writer, cur_pid, cmdline, 1); |
fb14d0d8 JR |
536 | if (ret) { |
537 | goto error; | |
538 | } | |
539 | ||
540 | /* Open events element */ | |
41493f4a | 541 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 JR |
542 | if (ret) { |
543 | goto error; | |
544 | } | |
545 | ||
546 | pid_element_open = 1; | |
547 | } | |
548 | free(cmdline); | |
549 | } | |
550 | ||
551 | /* Write an event */ | |
28ab034a | 552 | ret = mi_lttng_event(the_writer, &events[i], 0, the_handle->domain.type); |
fb14d0d8 JR |
553 | if (ret) { |
554 | goto end; | |
555 | } | |
556 | } | |
557 | ||
bf239d4c | 558 | /* Close pids */ |
41493f4a | 559 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
560 | if (ret) { |
561 | goto end; | |
562 | } | |
563 | ||
564 | /* Close domain, domains */ | |
41493f4a | 565 | ret = mi_lttng_close_multi_element(the_writer, 2); |
fb14d0d8 JR |
566 | end: |
567 | return ret; | |
568 | error: | |
569 | free(cmdline); | |
570 | return ret; | |
571 | } | |
572 | ||
cd9adb8b | 573 | static int list_agent_events() |
3c6a091f | 574 | { |
fb14d0d8 | 575 | int i, size, ret = CMD_SUCCESS; |
3c6a091f | 576 | struct lttng_domain domain; |
cd9adb8b JG |
577 | struct lttng_handle *handle = nullptr; |
578 | struct lttng_event *event_list = nullptr; | |
3c6a091f | 579 | pid_t cur_pid = 0; |
cd9adb8b | 580 | char *cmdline = nullptr; |
5cdb6027 | 581 | const char *agent_domain_str; |
3c6a091f DG |
582 | |
583 | memset(&domain, 0, sizeof(domain)); | |
5cdb6027 DG |
584 | if (opt_jul) { |
585 | domain.type = LTTNG_DOMAIN_JUL; | |
586 | } else if (opt_log4j) { | |
587 | domain.type = LTTNG_DOMAIN_LOG4J; | |
47abf22b MJ |
588 | } else if (opt_log4j2) { |
589 | domain.type = LTTNG_DOMAIN_LOG4J2; | |
0e115563 DG |
590 | } else if (opt_python) { |
591 | domain.type = LTTNG_DOMAIN_PYTHON; | |
26c610c9 JG |
592 | } else { |
593 | ERR("Invalid agent domain selected."); | |
594 | ret = CMD_ERROR; | |
595 | goto error; | |
5cdb6027 DG |
596 | } |
597 | ||
1004b719 | 598 | agent_domain_str = lttng_domain_type_str(domain.type); |
5cdb6027 DG |
599 | |
600 | DBG("Getting %s tracing events", agent_domain_str); | |
3c6a091f | 601 | |
cd9adb8b JG |
602 | handle = lttng_create_handle(nullptr, &domain); |
603 | if (handle == nullptr) { | |
fb14d0d8 JR |
604 | ret = CMD_ERROR; |
605 | goto end; | |
3c6a091f DG |
606 | } |
607 | ||
608 | size = lttng_list_tracepoints(handle, &event_list); | |
609 | if (size < 0) { | |
28ab034a | 610 | ERR("Unable to list %s events: %s", agent_domain_str, lttng_strerror(size)); |
fb14d0d8 JR |
611 | ret = CMD_ERROR; |
612 | goto end; | |
3c6a091f DG |
613 | } |
614 | ||
fb14d0d8 JR |
615 | if (lttng_opt_mi) { |
616 | /* Mi print */ | |
5cdb6027 | 617 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
618 | if (ret) { |
619 | ret = CMD_ERROR; | |
620 | goto error; | |
3c6a091f | 621 | } |
fb14d0d8 JR |
622 | } else { |
623 | /* Pretty print */ | |
28ab034a | 624 | MSG("%s events (Logger name):\n-------------------------", agent_domain_str); |
3c6a091f | 625 | |
fb14d0d8 JR |
626 | if (size == 0) { |
627 | MSG("None"); | |
628 | } | |
3c6a091f | 629 | |
fb14d0d8 JR |
630 | for (i = 0; i < size; i++) { |
631 | if (cur_pid != event_list[i].pid) { | |
632 | cur_pid = event_list[i].pid; | |
633 | cmdline = get_cmdline_by_pid(cur_pid); | |
cd9adb8b | 634 | if (cmdline == nullptr) { |
fb14d0d8 JR |
635 | ret = CMD_ERROR; |
636 | goto error; | |
637 | } | |
638 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
639 | free(cmdline); | |
640 | } | |
641 | MSG("%s- %s", indent6, event_list[i].name); | |
642 | } | |
3c6a091f | 643 | |
fb14d0d8 JR |
644 | MSG(""); |
645 | } | |
3c6a091f DG |
646 | |
647 | error: | |
fb14d0d8 JR |
648 | free(event_list); |
649 | end: | |
3c6a091f | 650 | lttng_destroy_handle(handle); |
fb14d0d8 | 651 | return ret; |
3c6a091f DG |
652 | } |
653 | ||
b551a063 DG |
654 | /* |
655 | * Ask session daemon for all user space tracepoints available. | |
656 | */ | |
cd9adb8b | 657 | static int list_ust_events() |
b551a063 | 658 | { |
fb14d0d8 | 659 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
660 | struct lttng_domain domain; |
661 | struct lttng_handle *handle; | |
cd9adb8b | 662 | struct lttng_event *event_list = nullptr; |
b551a063 | 663 | pid_t cur_pid = 0; |
cd9adb8b | 664 | char *cmdline = nullptr; |
b551a063 | 665 | |
441c16a7 MD |
666 | memset(&domain, 0, sizeof(domain)); |
667 | ||
b551a063 DG |
668 | DBG("Getting UST tracing events"); |
669 | ||
670 | domain.type = LTTNG_DOMAIN_UST; | |
671 | ||
cd9adb8b JG |
672 | handle = lttng_create_handle(nullptr, &domain); |
673 | if (handle == nullptr) { | |
fb14d0d8 JR |
674 | ret = CMD_ERROR; |
675 | goto end; | |
b551a063 DG |
676 | } |
677 | ||
678 | size = lttng_list_tracepoints(handle, &event_list); | |
679 | if (size < 0) { | |
60e835ca | 680 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
fb14d0d8 JR |
681 | ret = CMD_ERROR; |
682 | goto error; | |
b551a063 DG |
683 | } |
684 | ||
fb14d0d8 JR |
685 | if (lttng_opt_mi) { |
686 | /* Mi print */ | |
5cdb6027 | 687 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
688 | } else { |
689 | /* Pretty print */ | |
690 | MSG("UST events:\n-------------"); | |
691 | ||
692 | if (size == 0) { | |
693 | MSG("None"); | |
694 | } | |
695 | ||
696 | for (i = 0; i < size; i++) { | |
697 | if (cur_pid != event_list[i].pid) { | |
698 | cur_pid = event_list[i].pid; | |
699 | cmdline = get_cmdline_by_pid(cur_pid); | |
cd9adb8b | 700 | if (cmdline == nullptr) { |
fb14d0d8 JR |
701 | ret = CMD_ERROR; |
702 | goto error; | |
703 | } | |
704 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
705 | free(cmdline); | |
706 | } | |
707 | print_events(&event_list[i]); | |
708 | } | |
b551a063 | 709 | |
fb14d0d8 | 710 | MSG(""); |
b551a063 DG |
711 | } |
712 | ||
fb14d0d8 JR |
713 | error: |
714 | free(event_list); | |
715 | end: | |
716 | lttng_destroy_handle(handle); | |
717 | return ret; | |
718 | } | |
719 | ||
720 | /* | |
721 | * Machine interface | |
722 | * List all ust event with their fields | |
723 | */ | |
28ab034a JG |
724 | static int |
725 | mi_list_ust_event_fields(struct lttng_event_field *fields, int count, struct lttng_domain *domain) | |
fb14d0d8 JR |
726 | { |
727 | int ret, i; | |
728 | pid_t cur_pid = 0; | |
cd9adb8b | 729 | char *cmdline = nullptr; |
fb14d0d8 JR |
730 | int pid_element_open = 0; |
731 | int event_element_open = 0; | |
732 | struct lttng_event cur_event; | |
733 | ||
d113fbc8 JR |
734 | memset(&cur_event, 0, sizeof(cur_event)); |
735 | ||
fb14d0d8 | 736 | /* Open domains element */ |
41493f4a | 737 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
738 | if (ret) { |
739 | goto end; | |
740 | } | |
741 | ||
742 | /* Write domain */ | |
41493f4a | 743 | ret = mi_lttng_domain(the_writer, domain, 1); |
fb14d0d8 JR |
744 | if (ret) { |
745 | goto end; | |
746 | } | |
747 | ||
bf239d4c | 748 | /* Open pids element */ |
41493f4a | 749 | ret = mi_lttng_pids_open(the_writer); |
fb14d0d8 JR |
750 | if (ret) { |
751 | goto end; | |
752 | } | |
753 | ||
754 | for (i = 0; i < count; i++) { | |
755 | if (cur_pid != fields[i].event.pid) { | |
756 | if (pid_element_open) { | |
757 | if (event_element_open) { | |
485ca16f | 758 | /* Close the previous field element and event. */ |
28ab034a | 759 | ret = mi_lttng_close_multi_element(the_writer, 2); |
fb14d0d8 JR |
760 | if (ret) { |
761 | goto end; | |
762 | } | |
763 | event_element_open = 0; | |
764 | } | |
765 | /* Close the previous events, pid element */ | |
28ab034a | 766 | ret = mi_lttng_close_multi_element(the_writer, 2); |
fb14d0d8 JR |
767 | if (ret) { |
768 | goto end; | |
769 | } | |
770 | pid_element_open = 0; | |
771 | } | |
772 | ||
773 | cur_pid = fields[i].event.pid; | |
ea5cbc00 | 774 | cmdline = get_cmdline_by_pid(cur_pid); |
fb14d0d8 | 775 | if (!pid_element_open) { |
bf239d4c | 776 | /* Open and write a pid element */ |
28ab034a | 777 | ret = mi_lttng_pid(the_writer, cur_pid, cmdline, 1); |
fb14d0d8 JR |
778 | if (ret) { |
779 | goto error; | |
780 | } | |
781 | ||
782 | /* Open events element */ | |
41493f4a | 783 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 JR |
784 | if (ret) { |
785 | goto error; | |
786 | } | |
787 | pid_element_open = 1; | |
788 | } | |
ea5cbc00 | 789 | free(cmdline); |
fb14d0d8 JR |
790 | /* Wipe current event since we are about to print a new PID. */ |
791 | memset(&cur_event, 0, sizeof(cur_event)); | |
b551a063 | 792 | } |
b551a063 | 793 | |
fb14d0d8 JR |
794 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
795 | if (event_element_open) { | |
796 | /* Close the previous fields element and the previous event */ | |
28ab034a | 797 | ret = mi_lttng_close_multi_element(the_writer, 2); |
fb14d0d8 JR |
798 | if (ret) { |
799 | goto end; | |
800 | } | |
801 | event_element_open = 0; | |
802 | } | |
803 | ||
28ab034a | 804 | memcpy(&cur_event, &fields[i].event, sizeof(cur_event)); |
b551a063 | 805 | |
fb14d0d8 JR |
806 | if (!event_element_open) { |
807 | /* Open and write the event */ | |
28ab034a JG |
808 | ret = mi_lttng_event( |
809 | the_writer, &cur_event, 1, the_handle->domain.type); | |
fb14d0d8 JR |
810 | if (ret) { |
811 | goto end; | |
812 | } | |
813 | ||
814 | /* Open a fields element */ | |
41493f4a | 815 | ret = mi_lttng_event_fields_open(the_writer); |
fb14d0d8 JR |
816 | if (ret) { |
817 | goto end; | |
818 | } | |
819 | event_element_open = 1; | |
820 | } | |
821 | } | |
b551a063 | 822 | |
fb14d0d8 | 823 | /* Print the event_field */ |
41493f4a | 824 | ret = mi_lttng_event_field(the_writer, &fields[i]); |
fb14d0d8 JR |
825 | if (ret) { |
826 | goto end; | |
827 | } | |
828 | } | |
b551a063 | 829 | |
83d6d6c4 | 830 | /* Close pids, domain, domains */ |
41493f4a | 831 | ret = mi_lttng_close_multi_element(the_writer, 3); |
fb14d0d8 JR |
832 | end: |
833 | return ret; | |
b551a063 | 834 | error: |
fb14d0d8 JR |
835 | free(cmdline); |
836 | return ret; | |
b551a063 | 837 | } |
f3ed775e | 838 | |
f37d259d MD |
839 | /* |
840 | * Ask session daemon for all user space tracepoint fields available. | |
841 | */ | |
cd9adb8b | 842 | static int list_ust_event_fields() |
f37d259d | 843 | { |
fb14d0d8 | 844 | int i, size, ret = CMD_SUCCESS; |
f37d259d MD |
845 | struct lttng_domain domain; |
846 | struct lttng_handle *handle; | |
847 | struct lttng_event_field *event_field_list; | |
848 | pid_t cur_pid = 0; | |
cd9adb8b | 849 | char *cmdline = nullptr; |
ea5cbc00 | 850 | |
f37d259d MD |
851 | struct lttng_event cur_event; |
852 | ||
853 | memset(&domain, 0, sizeof(domain)); | |
854 | memset(&cur_event, 0, sizeof(cur_event)); | |
855 | ||
856 | DBG("Getting UST tracing event fields"); | |
857 | ||
858 | domain.type = LTTNG_DOMAIN_UST; | |
859 | ||
cd9adb8b JG |
860 | handle = lttng_create_handle(nullptr, &domain); |
861 | if (handle == nullptr) { | |
fb14d0d8 JR |
862 | ret = CMD_ERROR; |
863 | goto end; | |
f37d259d MD |
864 | } |
865 | ||
866 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
867 | if (size < 0) { | |
60e835ca | 868 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
fb14d0d8 JR |
869 | ret = CMD_ERROR; |
870 | goto end; | |
f37d259d MD |
871 | } |
872 | ||
fb14d0d8 JR |
873 | if (lttng_opt_mi) { |
874 | /* Mi print */ | |
875 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); | |
876 | if (ret) { | |
877 | ret = CMD_ERROR; | |
878 | goto error; | |
879 | } | |
880 | } else { | |
881 | /* Pretty print */ | |
882 | MSG("UST events:\n-------------"); | |
f37d259d | 883 | |
fb14d0d8 JR |
884 | if (size == 0) { |
885 | MSG("None"); | |
f37d259d | 886 | } |
fb14d0d8 JR |
887 | |
888 | for (i = 0; i < size; i++) { | |
889 | if (cur_pid != event_field_list[i].event.pid) { | |
890 | cur_pid = event_field_list[i].event.pid; | |
891 | cmdline = get_cmdline_by_pid(cur_pid); | |
cd9adb8b | 892 | if (cmdline == nullptr) { |
fb14d0d8 JR |
893 | ret = CMD_ERROR; |
894 | goto error; | |
895 | } | |
896 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
897 | free(cmdline); | |
898 | /* Wipe current event since we are about to print a new PID. */ | |
899 | memset(&cur_event, 0, sizeof(cur_event)); | |
900 | } | |
901 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
902 | print_events(&event_field_list[i].event); | |
28ab034a | 903 | memcpy(&cur_event, &event_field_list[i].event, sizeof(cur_event)); |
fb14d0d8 JR |
904 | } |
905 | print_event_field(&event_field_list[i]); | |
f37d259d | 906 | } |
f37d259d | 907 | |
fb14d0d8 JR |
908 | MSG(""); |
909 | } | |
f37d259d | 910 | |
fb14d0d8 | 911 | error: |
f37d259d | 912 | free(event_field_list); |
fb14d0d8 | 913 | end: |
f37d259d | 914 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
915 | return ret; |
916 | } | |
f37d259d | 917 | |
fb14d0d8 JR |
918 | /* |
919 | * Machine interface | |
920 | * Print a list of kernel events | |
921 | */ | |
28ab034a | 922 | static int mi_list_kernel_events(struct lttng_event *events, int count, struct lttng_domain *domain) |
fb14d0d8 JR |
923 | { |
924 | int ret, i; | |
f37d259d | 925 | |
fb14d0d8 | 926 | /* Open domains element */ |
41493f4a | 927 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
928 | if (ret) { |
929 | goto end; | |
930 | } | |
931 | ||
932 | /* Write domain */ | |
41493f4a | 933 | ret = mi_lttng_domain(the_writer, domain, 1); |
fb14d0d8 JR |
934 | if (ret) { |
935 | goto end; | |
936 | } | |
937 | ||
938 | /* Open events */ | |
41493f4a | 939 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 JR |
940 | if (ret) { |
941 | goto end; | |
942 | } | |
943 | ||
944 | for (i = 0; i < count; i++) { | |
28ab034a | 945 | ret = mi_lttng_event(the_writer, &events[i], 0, the_handle->domain.type); |
fb14d0d8 JR |
946 | if (ret) { |
947 | goto end; | |
948 | } | |
949 | } | |
950 | ||
951 | /* close events, domain and domains */ | |
41493f4a | 952 | ret = mi_lttng_close_multi_element(the_writer, 3); |
fb14d0d8 JR |
953 | if (ret) { |
954 | goto end; | |
955 | } | |
956 | ||
957 | end: | |
958 | return ret; | |
f37d259d MD |
959 | } |
960 | ||
f3ed775e | 961 | /* |
fb14d0d8 | 962 | * Ask for all trace events in the kernel |
f3ed775e | 963 | */ |
cd9adb8b | 964 | static int list_kernel_events() |
f3ed775e | 965 | { |
fb14d0d8 | 966 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
967 | struct lttng_domain domain; |
968 | struct lttng_handle *handle; | |
9f19cc17 | 969 | struct lttng_event *event_list; |
f3ed775e | 970 | |
441c16a7 MD |
971 | memset(&domain, 0, sizeof(domain)); |
972 | ||
b551a063 DG |
973 | DBG("Getting kernel tracing events"); |
974 | ||
975 | domain.type = LTTNG_DOMAIN_KERNEL; | |
976 | ||
cd9adb8b JG |
977 | handle = lttng_create_handle(nullptr, &domain); |
978 | if (handle == nullptr) { | |
fb14d0d8 | 979 | ret = CMD_ERROR; |
b551a063 DG |
980 | goto error; |
981 | } | |
f3ed775e | 982 | |
cd80958d | 983 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 984 | if (size < 0) { |
60e835ca | 985 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 986 | lttng_destroy_handle(handle); |
fb14d0d8 | 987 | return CMD_ERROR; |
f3ed775e DG |
988 | } |
989 | ||
fb14d0d8 JR |
990 | if (lttng_opt_mi) { |
991 | /* Mi print */ | |
992 | ret = mi_list_kernel_events(event_list, size, &domain); | |
993 | if (ret) { | |
994 | ret = CMD_ERROR; | |
995 | goto end; | |
996 | } | |
997 | } else { | |
998 | MSG("Kernel events:\n-------------"); | |
f3ed775e | 999 | |
fb14d0d8 JR |
1000 | for (i = 0; i < size; i++) { |
1001 | print_events(&event_list[i]); | |
1002 | } | |
f3ed775e | 1003 | |
fb14d0d8 JR |
1004 | MSG(""); |
1005 | } | |
b551a063 | 1006 | |
fb14d0d8 | 1007 | end: |
f3ed775e DG |
1008 | free(event_list); |
1009 | ||
ef021732 | 1010 | lttng_destroy_handle(handle); |
fb14d0d8 | 1011 | return ret; |
b551a063 DG |
1012 | |
1013 | error: | |
ef021732 | 1014 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
1015 | return ret; |
1016 | } | |
1017 | ||
834978fd DG |
1018 | /* |
1019 | * Machine interface | |
1020 | * Print a list of system calls. | |
1021 | */ | |
1022 | static int mi_list_syscalls(struct lttng_event *events, int count) | |
1023 | { | |
1024 | int ret, i; | |
1025 | ||
1026 | /* Open events */ | |
41493f4a | 1027 | ret = mi_lttng_events_open(the_writer); |
834978fd DG |
1028 | if (ret) { |
1029 | goto end; | |
1030 | } | |
1031 | ||
1032 | for (i = 0; i < count; i++) { | |
28ab034a | 1033 | ret = mi_lttng_event(the_writer, &events[i], 0, the_handle->domain.type); |
834978fd DG |
1034 | if (ret) { |
1035 | goto end; | |
1036 | } | |
1037 | } | |
1038 | ||
1039 | /* Close events. */ | |
41493f4a | 1040 | ret = mi_lttng_writer_close_element(the_writer); |
834978fd DG |
1041 | if (ret) { |
1042 | goto end; | |
1043 | } | |
1044 | ||
1045 | end: | |
1046 | return ret; | |
1047 | } | |
1048 | ||
1049 | /* | |
1050 | * Ask for kernel system calls. | |
1051 | */ | |
cd9adb8b | 1052 | static int list_syscalls() |
834978fd DG |
1053 | { |
1054 | int i, size, ret = CMD_SUCCESS; | |
1055 | struct lttng_event *event_list; | |
1056 | ||
1057 | DBG("Getting kernel system call events"); | |
1058 | ||
1059 | size = lttng_list_syscalls(&event_list); | |
1060 | if (size < 0) { | |
1061 | ERR("Unable to list system calls: %s", lttng_strerror(size)); | |
1062 | ret = CMD_ERROR; | |
1063 | goto error; | |
1064 | } | |
1065 | ||
1066 | if (lttng_opt_mi) { | |
1067 | /* Mi print */ | |
1068 | ret = mi_list_syscalls(event_list, size); | |
1069 | if (ret) { | |
1070 | ret = CMD_ERROR; | |
1071 | goto end; | |
1072 | } | |
1073 | } else { | |
1074 | MSG("System calls:\n-------------"); | |
1075 | ||
1076 | for (i = 0; i < size; i++) { | |
1077 | print_events(&event_list[i]); | |
1078 | } | |
1079 | ||
1080 | MSG(""); | |
1081 | } | |
1082 | ||
1083 | end: | |
1084 | free(event_list); | |
1085 | return ret; | |
1086 | ||
1087 | error: | |
1088 | return ret; | |
1089 | } | |
1090 | ||
fb14d0d8 JR |
1091 | /* |
1092 | * Machine Interface | |
5cdb6027 | 1093 | * Print a list of agent events |
fb14d0d8 | 1094 | */ |
5cdb6027 | 1095 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
fb14d0d8 JR |
1096 | { |
1097 | int ret, i; | |
1098 | ||
1099 | /* Open events element */ | |
41493f4a | 1100 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 JR |
1101 | if (ret) { |
1102 | goto end; | |
1103 | } | |
1104 | ||
1105 | for (i = 0; i < count; i++) { | |
28ab034a | 1106 | ret = mi_lttng_event(the_writer, &events[i], 0, the_handle->domain.type); |
fb14d0d8 JR |
1107 | if (ret) { |
1108 | goto end; | |
1109 | } | |
1110 | } | |
1111 | ||
1112 | /* Close events element */ | |
41493f4a | 1113 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
1114 | |
1115 | end: | |
1116 | return ret; | |
f3ed775e DG |
1117 | } |
1118 | ||
3c6a091f | 1119 | /* |
5cdb6027 | 1120 | * List agent events for a specific session using the handle. |
3c6a091f DG |
1121 | * |
1122 | * Return CMD_SUCCESS on success else a negative value. | |
1123 | */ | |
cd9adb8b | 1124 | static int list_session_agent_events() |
3c6a091f | 1125 | { |
fb14d0d8 | 1126 | int ret = CMD_SUCCESS, count, i; |
cd9adb8b | 1127 | struct lttng_event *events = nullptr; |
3c6a091f | 1128 | |
41493f4a | 1129 | count = lttng_list_events(the_handle, "", &events); |
3c6a091f | 1130 | if (count < 0) { |
fb14d0d8 JR |
1131 | ret = CMD_ERROR; |
1132 | ERR("%s", lttng_strerror(count)); | |
3c6a091f DG |
1133 | goto error; |
1134 | } | |
1135 | ||
fb14d0d8 JR |
1136 | if (lttng_opt_mi) { |
1137 | /* Mi print */ | |
5cdb6027 | 1138 | ret = mi_list_session_agent_events(events, count); |
fb14d0d8 JR |
1139 | if (ret) { |
1140 | ret = CMD_ERROR; | |
1141 | goto end; | |
1142 | } | |
1143 | } else { | |
1144 | /* Pretty print */ | |
1145 | MSG("Events (Logger name):\n---------------------"); | |
1146 | if (count == 0) { | |
1147 | MSG("%sNone\n", indent6); | |
1148 | goto end; | |
1149 | } | |
1150 | ||
1151 | for (i = 0; i < count; i++) { | |
9a890ce8 | 1152 | const char *filter_str; |
cd9adb8b | 1153 | char *filter_msg = nullptr; |
9a890ce8 JG |
1154 | struct lttng_event *event = &events[i]; |
1155 | ||
28ab034a | 1156 | ret = lttng_event_get_filter_expression(event, &filter_str); |
9a890ce8 JG |
1157 | if (ret) { |
1158 | filter_msg = strdup(" [failed to retrieve filter]"); | |
1159 | } else if (filter_str) { | |
411b3154 | 1160 | if (asprintf(&filter_msg, " [filter: '%s']", filter_str) == -1) { |
cd9adb8b | 1161 | filter_msg = nullptr; |
9a890ce8 JG |
1162 | } |
1163 | } | |
1164 | ||
28ab034a JG |
1165 | if (event->loglevel_type != LTTNG_EVENT_LOGLEVEL_ALL) { |
1166 | MSG("%s- %s%s (loglevel%s %s)%s", | |
1167 | indent4, | |
1168 | event->name, | |
1169 | enabled_string(event->enabled), | |
1170 | logleveltype_string(event->loglevel_type), | |
1171 | mi_lttng_loglevel_string(event->loglevel, | |
1172 | the_handle->domain.type), | |
1173 | safe_string(filter_msg)); | |
755066c2 | 1174 | } else { |
28ab034a JG |
1175 | MSG("%s- %s%s%s", |
1176 | indent4, | |
1177 | event->name, | |
1178 | enabled_string(event->enabled), | |
1179 | safe_string(filter_msg)); | |
755066c2 | 1180 | } |
9a890ce8 | 1181 | free(filter_msg); |
fb14d0d8 JR |
1182 | } |
1183 | ||
1184 | MSG(""); | |
1185 | } | |
1186 | ||
1187 | end: | |
1188 | free(events); | |
1189 | error: | |
1190 | return ret; | |
1191 | } | |
1192 | ||
1193 | /* | |
1194 | * Machine interface | |
1195 | * print a list of event | |
1196 | */ | |
1197 | static int mi_list_events(struct lttng_event *events, int count) | |
1198 | { | |
1199 | int ret, i; | |
1200 | ||
1201 | /* Open events element */ | |
41493f4a | 1202 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 | 1203 | if (ret) { |
3c6a091f DG |
1204 | goto end; |
1205 | } | |
1206 | ||
1207 | for (i = 0; i < count; i++) { | |
28ab034a | 1208 | ret = mi_lttng_event(the_writer, &events[i], 0, the_handle->domain.type); |
fb14d0d8 JR |
1209 | if (ret) { |
1210 | goto end; | |
1211 | } | |
3c6a091f DG |
1212 | } |
1213 | ||
fb14d0d8 | 1214 | /* Close events element */ |
41493f4a | 1215 | ret = mi_lttng_writer_close_element(the_writer); |
3c6a091f DG |
1216 | |
1217 | end: | |
3c6a091f DG |
1218 | return ret; |
1219 | } | |
1220 | ||
f3ed775e | 1221 | /* |
9f19cc17 | 1222 | * List events of channel of session and domain. |
f3ed775e | 1223 | */ |
cd80958d | 1224 | static int list_events(const char *channel_name) |
f3ed775e | 1225 | { |
fb14d0d8 | 1226 | int ret = CMD_SUCCESS, count, i; |
cd9adb8b | 1227 | struct lttng_event *events = nullptr; |
f3ed775e | 1228 | |
41493f4a | 1229 | count = lttng_list_events(the_handle, channel_name, &events); |
f3ed775e | 1230 | if (count < 0) { |
fb14d0d8 JR |
1231 | ret = CMD_ERROR; |
1232 | ERR("%s", lttng_strerror(count)); | |
f3ed775e DG |
1233 | goto error; |
1234 | } | |
1235 | ||
fb14d0d8 JR |
1236 | if (lttng_opt_mi) { |
1237 | /* Mi print */ | |
1238 | ret = mi_list_events(events, count); | |
1239 | if (ret) { | |
1240 | ret = CMD_ERROR; | |
1241 | goto end; | |
1242 | } | |
1243 | } else { | |
1244 | /* Pretty print */ | |
484b2a0c | 1245 | MSG("\n%sRecording event rules:", indent4); |
fb14d0d8 JR |
1246 | if (count == 0) { |
1247 | MSG("%sNone\n", indent6); | |
1248 | goto end; | |
1249 | } | |
f3ed775e | 1250 | |
fb14d0d8 JR |
1251 | for (i = 0; i < count; i++) { |
1252 | print_events(&events[i]); | |
1253 | } | |
f3ed775e | 1254 | |
fb14d0d8 JR |
1255 | MSG(""); |
1256 | } | |
9f19cc17 | 1257 | end: |
0e428499 | 1258 | free(events); |
f3ed775e DG |
1259 | error: |
1260 | return ret; | |
1261 | } | |
1262 | ||
28ab034a | 1263 | static void print_timer(const char *timer_name, uint32_t space_count, int64_t value) |
f3b3a67b JG |
1264 | { |
1265 | uint32_t i; | |
1266 | ||
1267 | _MSG("%s%s:", indent6, timer_name); | |
1268 | for (i = 0; i < space_count; i++) { | |
1269 | _MSG(" "); | |
1270 | } | |
1271 | ||
1272 | if (value) { | |
2a1135fa | 1273 | MSG("%" PRId64 " %s", value, USEC_UNIT); |
f3b3a67b JG |
1274 | } else { |
1275 | MSG("inactive"); | |
1276 | } | |
1277 | } | |
1278 | ||
f3ed775e | 1279 | /* |
9f19cc17 DG |
1280 | * Pretty print channel |
1281 | */ | |
1282 | static void print_channel(struct lttng_channel *channel) | |
1283 | { | |
fb83fe64 | 1284 | int ret; |
cf0bcb51 | 1285 | uint64_t discarded_events, lost_packets, monitor_timer_interval; |
491d1539 | 1286 | int64_t blocking_timeout; |
fb83fe64 | 1287 | |
28ab034a | 1288 | ret = lttng_channel_get_discarded_event_count(channel, &discarded_events); |
fb83fe64 JD |
1289 | if (ret) { |
1290 | ERR("Failed to retrieve discarded event count of channel"); | |
1291 | return; | |
1292 | } | |
1293 | ||
28ab034a | 1294 | ret = lttng_channel_get_lost_packet_count(channel, &lost_packets); |
fb83fe64 JD |
1295 | if (ret) { |
1296 | ERR("Failed to retrieve lost packet count of channel"); | |
1297 | return; | |
1298 | } | |
1299 | ||
28ab034a | 1300 | ret = lttng_channel_get_monitor_timer_interval(channel, &monitor_timer_interval); |
cf0bcb51 JG |
1301 | if (ret) { |
1302 | ERR("Failed to retrieve monitor interval of channel"); | |
1303 | return; | |
1304 | } | |
1305 | ||
28ab034a | 1306 | ret = lttng_channel_get_blocking_timeout(channel, &blocking_timeout); |
491d1539 MD |
1307 | if (ret) { |
1308 | ERR("Failed to retrieve blocking timeout of channel"); | |
1309 | return; | |
1310 | } | |
1311 | ||
464dd62d | 1312 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 | 1313 | MSG("%sAttributes:", indent4); |
f3b3a67b JG |
1314 | MSG("%sEvent-loss mode: %s", indent6, channel->attr.overwrite ? "overwrite" : "discard"); |
1315 | MSG("%sSub-buffer size: %" PRIu64 " bytes", indent6, channel->attr.subbuf_size); | |
1316 | MSG("%sSub-buffer count: %" PRIu64, indent6, channel->attr.num_subbuf); | |
1317 | ||
1318 | print_timer("Switch timer", 5, channel->attr.switch_timer_interval); | |
28ab034a | 1319 | print_timer("Read timer", 7, channel->attr.read_timer_interval); |
f3b3a67b JG |
1320 | print_timer("Monitor timer", 4, monitor_timer_interval); |
1321 | ||
1322 | if (!channel->attr.overwrite) { | |
1323 | if (blocking_timeout == -1) { | |
1324 | MSG("%sBlocking timeout: infinite", indent6); | |
1325 | } else { | |
28ab034a JG |
1326 | MSG("%sBlocking timeout: %" PRId64 " %s", |
1327 | indent6, | |
1328 | blocking_timeout, | |
1329 | USEC_UNIT); | |
f3b3a67b JG |
1330 | } |
1331 | } | |
1332 | ||
28ab034a JG |
1333 | MSG("%sTrace file count: %" PRIu64 " per stream", |
1334 | indent6, | |
1335 | channel->attr.tracefile_count == 0 ? 1 : channel->attr.tracefile_count); | |
1336 | if (channel->attr.tracefile_size != 0) { | |
1337 | MSG("%sTrace file size: %" PRIu64 " bytes", indent6, channel->attr.tracefile_size); | |
f3b3a67b JG |
1338 | } else { |
1339 | MSG("%sTrace file size: %s", indent6, "unlimited"); | |
1340 | } | |
9f19cc17 | 1341 | switch (channel->attr.output) { |
28ab034a JG |
1342 | case LTTNG_EVENT_SPLICE: |
1343 | MSG("%sOutput mode: splice", indent6); | |
1344 | break; | |
1345 | case LTTNG_EVENT_MMAP: | |
1346 | MSG("%sOutput mode: mmap", indent6); | |
1347 | break; | |
9f19cc17 | 1348 | } |
e50e81d3 | 1349 | |
f3b3a67b | 1350 | MSG("\n%sStatistics:", indent4); |
41493f4a | 1351 | if (the_listed_session.snapshot_mode) { |
e50e81d3 JG |
1352 | /* |
1353 | * The lost packet count is omitted for sessions in snapshot | |
1354 | * mode as it is misleading: it would indicate the number of | |
1355 | * packets that the consumer could not extract during the | |
1356 | * course of recording the snapshot. It does not have the | |
1357 | * same meaning as the "regular" lost packet count that | |
1358 | * would result from the consumer not keeping up with | |
1359 | * event production in an overwrite-mode channel. | |
1360 | * | |
1361 | * A more interesting statistic would be the number of | |
1362 | * packets lost between the first and last extracted | |
1363 | * packets of a given snapshot (which prevents most analyses). | |
1364 | */ | |
f3b3a67b | 1365 | MSG("%sNone", indent6); |
e50e81d3 JG |
1366 | goto skip_stats_printing; |
1367 | } | |
1368 | ||
1369 | if (!channel->attr.overwrite) { | |
f3b3a67b | 1370 | MSG("%sDiscarded events: %" PRIu64, indent6, discarded_events); |
e50e81d3 | 1371 | } else { |
f3b3a67b | 1372 | MSG("%sLost packets: %" PRIu64, indent6, lost_packets); |
e50e81d3 JG |
1373 | } |
1374 | skip_stats_printing: | |
1375 | return; | |
9f19cc17 DG |
1376 | } |
1377 | ||
fb14d0d8 JR |
1378 | /* |
1379 | * Machine interface | |
1380 | * Print a list of channel | |
1381 | * | |
1382 | */ | |
28ab034a | 1383 | static int mi_list_channels(struct lttng_channel *channels, int count, const char *channel_name) |
fb14d0d8 JR |
1384 | { |
1385 | int i, ret; | |
1386 | unsigned int chan_found = 0; | |
1387 | ||
1388 | /* Open channels element */ | |
41493f4a | 1389 | ret = mi_lttng_channels_open(the_writer); |
fb14d0d8 JR |
1390 | if (ret) { |
1391 | goto error; | |
1392 | } | |
1393 | ||
1394 | for (i = 0; i < count; i++) { | |
cd9adb8b | 1395 | if (channel_name != nullptr) { |
fb14d0d8 JR |
1396 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { |
1397 | chan_found = 1; | |
1398 | } else { | |
1399 | continue; | |
1400 | } | |
1401 | } | |
1402 | ||
1403 | /* Write channel element and leave it open */ | |
41493f4a | 1404 | ret = mi_lttng_channel(the_writer, &channels[i], 1); |
fb14d0d8 JR |
1405 | if (ret) { |
1406 | goto error; | |
1407 | } | |
1408 | ||
1409 | /* Listing events per channel */ | |
1410 | ret = list_events(channels[i].name); | |
1411 | if (ret) { | |
1412 | goto error; | |
1413 | } | |
1414 | ||
1415 | /* Closing the channel element we opened earlier */ | |
41493f4a | 1416 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
1417 | if (ret) { |
1418 | goto error; | |
1419 | } | |
1420 | ||
1421 | if (chan_found) { | |
1422 | break; | |
1423 | } | |
1424 | } | |
1425 | ||
1426 | /* Close channels element */ | |
41493f4a | 1427 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
1428 | if (ret) { |
1429 | goto error; | |
1430 | } | |
1431 | ||
1432 | error: | |
1433 | return ret; | |
1434 | } | |
1435 | ||
9f19cc17 DG |
1436 | /* |
1437 | * List channel(s) of session and domain. | |
f3ed775e | 1438 | * |
9f19cc17 | 1439 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 1440 | */ |
cd80958d | 1441 | static int list_channels(const char *channel_name) |
f3ed775e | 1442 | { |
9f19cc17 DG |
1443 | int count, i, ret = CMD_SUCCESS; |
1444 | unsigned int chan_found = 0; | |
cd9adb8b | 1445 | struct lttng_channel *channels = nullptr; |
f3ed775e | 1446 | |
28ab034a | 1447 | DBG("Listing channel(s) (%s)", channel_name ?: "<all>"); |
9f19cc17 | 1448 | |
41493f4a | 1449 | count = lttng_list_channels(the_handle, &channels); |
f3ed775e | 1450 | if (count < 0) { |
c7d620a2 DG |
1451 | switch (-count) { |
1452 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
fb14d0d8 JR |
1453 | if (lttng_opt_mi) { |
1454 | /* When printing mi this is not an error | |
1455 | * but an empty channels element */ | |
1456 | count = 0; | |
1457 | } else { | |
1458 | ret = CMD_SUCCESS; | |
fb14d0d8 JR |
1459 | goto error_channels; |
1460 | } | |
c7d620a2 DG |
1461 | break; |
1462 | default: | |
1463 | /* We had a real error */ | |
fb14d0d8 JR |
1464 | ret = CMD_ERROR; |
1465 | ERR("%s", lttng_strerror(count)); | |
1466 | goto error_channels; | |
60e835ca | 1467 | break; |
c7d620a2 | 1468 | } |
f3ed775e DG |
1469 | } |
1470 | ||
fb14d0d8 JR |
1471 | if (lttng_opt_mi) { |
1472 | /* Mi print */ | |
1473 | ret = mi_list_channels(channels, count, channel_name); | |
1474 | if (ret) { | |
1475 | ret = CMD_ERROR; | |
1476 | goto error; | |
1477 | } | |
1478 | } else { | |
1479 | /* Pretty print */ | |
ade7ce52 | 1480 | if (count) { |
fb14d0d8 JR |
1481 | MSG("Channels:\n-------------"); |
1482 | } | |
9f19cc17 | 1483 | |
fb14d0d8 | 1484 | for (i = 0; i < count; i++) { |
cd9adb8b | 1485 | if (channel_name != nullptr) { |
fb14d0d8 JR |
1486 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { |
1487 | chan_found = 1; | |
1488 | } else { | |
1489 | continue; | |
1490 | } | |
1491 | } | |
1492 | print_channel(&channels[i]); | |
1493 | ||
1494 | /* Listing events per channel */ | |
1495 | ret = list_events(channels[i].name); | |
1496 | if (ret) { | |
1497 | goto error; | |
1498 | } | |
1499 | ||
1500 | if (chan_found) { | |
1501 | break; | |
9f19cc17 DG |
1502 | } |
1503 | } | |
9f19cc17 | 1504 | |
cd9adb8b | 1505 | if (!chan_found && channel_name != nullptr) { |
fb14d0d8 JR |
1506 | ret = CMD_ERROR; |
1507 | ERR("Channel %s not found", channel_name); | |
1508 | goto error; | |
9f19cc17 | 1509 | } |
fb14d0d8 JR |
1510 | } |
1511 | error: | |
1512 | free(channels); | |
9f19cc17 | 1513 | |
fb14d0d8 JR |
1514 | error_channels: |
1515 | return ret; | |
1516 | } | |
1517 | ||
159b042f | 1518 | static const char *get_capitalized_process_attr_str(enum lttng_process_attr process_attr) |
83d6d6c4 | 1519 | { |
159b042f JG |
1520 | switch (process_attr) { |
1521 | case LTTNG_PROCESS_ATTR_PROCESS_ID: | |
1522 | return "Process ID"; | |
1523 | case LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID: | |
1524 | return "Virtual process ID"; | |
1525 | case LTTNG_PROCESS_ATTR_USER_ID: | |
1526 | return "User ID"; | |
1527 | case LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID: | |
1528 | return "Virtual user ID"; | |
1529 | case LTTNG_PROCESS_ATTR_GROUP_ID: | |
1530 | return "Group ID"; | |
1531 | case LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID: | |
1532 | return "Virtual group ID"; | |
1533 | default: | |
1534 | return "Unknown"; | |
83d6d6c4 | 1535 | } |
cd9adb8b | 1536 | return nullptr; |
83d6d6c4 JR |
1537 | } |
1538 | ||
159b042f | 1539 | static int handle_process_attr_status(enum lttng_process_attr process_attr, |
28ab034a | 1540 | enum lttng_process_attr_tracker_handle_status status) |
159b042f JG |
1541 | { |
1542 | int ret = CMD_SUCCESS; | |
1543 | ||
1544 | switch (status) { | |
1545 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_INVALID_TRACKING_POLICY: | |
1546 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_OK: | |
1547 | /* Carry on. */ | |
1548 | break; | |
1549 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_COMMUNICATION_ERROR: | |
1550 | ERR("Communication occurred while fetching %s tracker", | |
28ab034a | 1551 | lttng_process_attr_to_string(process_attr)); |
159b042f JG |
1552 | ret = CMD_ERROR; |
1553 | break; | |
1554 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_SESSION_DOES_NOT_EXIST: | |
1555 | ERR("Failed to get the inclusion set of the %s tracker: session `%s` no longer exists", | |
28ab034a JG |
1556 | lttng_process_attr_to_string(process_attr), |
1557 | the_handle->session_name); | |
159b042f JG |
1558 | ret = CMD_ERROR; |
1559 | break; | |
1560 | default: | |
1561 | ERR("Unknown error occurred while fetching the inclusion set of the %s tracker", | |
28ab034a | 1562 | lttng_process_attr_to_string(process_attr)); |
159b042f JG |
1563 | ret = CMD_ERROR; |
1564 | break; | |
1565 | } | |
1566 | ||
1567 | return ret; | |
1568 | } | |
1569 | ||
1570 | static int mi_output_empty_tracker(enum lttng_process_attr process_attr) | |
1571 | { | |
1572 | int ret; | |
1573 | ||
41493f4a | 1574 | ret = mi_lttng_process_attribute_tracker_open(the_writer, process_attr); |
159b042f JG |
1575 | if (ret) { |
1576 | goto end; | |
1577 | } | |
1578 | ||
41493f4a | 1579 | ret = mi_lttng_close_multi_element(the_writer, 2); |
159b042f JG |
1580 | end: |
1581 | return ret; | |
1582 | } | |
1583 | ||
28ab034a | 1584 | static inline bool is_value_type_name(enum lttng_process_attr_value_type value_type) |
159b042f JG |
1585 | { |
1586 | return value_type == LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME || | |
28ab034a | 1587 | value_type == LTTNG_PROCESS_ATTR_VALUE_TYPE_GROUP_NAME; |
159b042f JG |
1588 | } |
1589 | ||
a5dfbb9d | 1590 | /* |
159b042f | 1591 | * List a process attribute tracker for a session and domain tuple. |
a5dfbb9d | 1592 | */ |
159b042f | 1593 | static int list_process_attr_tracker(enum lttng_process_attr process_attr) |
a5dfbb9d | 1594 | { |
ebbf5ab7 | 1595 | int ret = 0; |
159b042f JG |
1596 | unsigned int count, i; |
1597 | enum lttng_tracking_policy policy; | |
1598 | enum lttng_error_code ret_code; | |
1599 | enum lttng_process_attr_tracker_handle_status handle_status; | |
1600 | enum lttng_process_attr_values_status values_status; | |
1601 | const struct lttng_process_attr_values *values; | |
cd9adb8b | 1602 | struct lttng_process_attr_tracker_handle *tracker_handle = nullptr; |
159b042f | 1603 | |
28ab034a JG |
1604 | ret_code = lttng_session_get_tracker_handle( |
1605 | the_handle->session_name, the_handle->domain.type, process_attr, &tracker_handle); | |
159b042f | 1606 | if (ret_code != LTTNG_OK) { |
28ab034a | 1607 | ERR("Failed to get process attribute tracker handle: %s", lttng_strerror(ret_code)); |
159b042f JG |
1608 | ret = CMD_ERROR; |
1609 | goto end; | |
1610 | } | |
a5dfbb9d | 1611 | |
28ab034a JG |
1612 | handle_status = |
1613 | lttng_process_attr_tracker_handle_get_inclusion_set(tracker_handle, &values); | |
159b042f JG |
1614 | ret = handle_process_attr_status(process_attr, handle_status); |
1615 | if (ret != CMD_SUCCESS) { | |
1616 | goto end; | |
a5dfbb9d | 1617 | } |
a7a533cd | 1618 | |
28ab034a JG |
1619 | handle_status = |
1620 | lttng_process_attr_tracker_handle_get_tracking_policy(tracker_handle, &policy); | |
159b042f JG |
1621 | ret = handle_process_attr_status(process_attr, handle_status); |
1622 | if (ret != CMD_SUCCESS) { | |
e283e4a0 JR |
1623 | goto end; |
1624 | } | |
1625 | ||
159b042f JG |
1626 | { |
1627 | char *process_attr_name; | |
28ab034a JG |
1628 | const int print_ret = asprintf( |
1629 | &process_attr_name, "%ss:", get_capitalized_process_attr_str(process_attr)); | |
159b042f JG |
1630 | |
1631 | if (print_ret == -1) { | |
1632 | ret = CMD_FATAL; | |
1633 | goto end; | |
a7a533cd | 1634 | } |
159b042f JG |
1635 | _MSG(" %-22s", process_attr_name); |
1636 | free(process_attr_name); | |
1637 | } | |
1638 | switch (policy) { | |
1639 | case LTTNG_TRACKING_POLICY_INCLUDE_SET: | |
1640 | break; | |
1641 | case LTTNG_TRACKING_POLICY_EXCLUDE_ALL: | |
41493f4a | 1642 | if (the_writer) { |
159b042f JG |
1643 | mi_output_empty_tracker(process_attr); |
1644 | } | |
1645 | MSG("none"); | |
1646 | ret = CMD_SUCCESS; | |
1647 | goto end; | |
1648 | case LTTNG_TRACKING_POLICY_INCLUDE_ALL: | |
1649 | MSG("all"); | |
1650 | ret = CMD_SUCCESS; | |
1651 | goto end; | |
1652 | default: | |
1653 | ERR("Unknown tracking policy encoutered while listing the %s process attribute tracker of session `%s`", | |
28ab034a JG |
1654 | lttng_process_attr_to_string(process_attr), |
1655 | the_handle->session_name); | |
159b042f JG |
1656 | ret = CMD_FATAL; |
1657 | goto end; | |
83d6d6c4 | 1658 | } |
a7a533cd | 1659 | |
159b042f JG |
1660 | values_status = lttng_process_attr_values_get_count(values, &count); |
1661 | if (values_status != LTTNG_PROCESS_ATTR_VALUES_STATUS_OK) { | |
1662 | ERR("Failed to get the count of values in the inclusion set of the %s process attribute tracker of session `%s`", | |
28ab034a JG |
1663 | lttng_process_attr_to_string(process_attr), |
1664 | the_handle->session_name); | |
159b042f JG |
1665 | ret = CMD_FATAL; |
1666 | goto end; | |
1667 | } | |
a5dfbb9d | 1668 | |
159b042f JG |
1669 | if (count == 0) { |
1670 | /* Functionally equivalent to the 'exclude all' policy. */ | |
41493f4a | 1671 | if (the_writer) { |
159b042f | 1672 | mi_output_empty_tracker(process_attr); |
ebbf5ab7 | 1673 | } |
159b042f JG |
1674 | MSG("none"); |
1675 | ret = CMD_SUCCESS; | |
1676 | goto end; | |
1677 | } | |
ebbf5ab7 | 1678 | |
159b042f | 1679 | /* Mi tracker_id element */ |
41493f4a | 1680 | if (the_writer) { |
159b042f | 1681 | /* Open tracker_id and targets elements */ |
28ab034a | 1682 | ret = mi_lttng_process_attribute_tracker_open(the_writer, process_attr); |
159b042f JG |
1683 | if (ret) { |
1684 | goto end; | |
1685 | } | |
1686 | } | |
2d97a006 | 1687 | |
159b042f JG |
1688 | for (i = 0; i < count; i++) { |
1689 | const enum lttng_process_attr_value_type value_type = | |
28ab034a | 1690 | lttng_process_attr_values_get_type_at_index(values, i); |
159b042f JG |
1691 | int64_t integral_value = INT64_MAX; |
1692 | const char *name = "error"; | |
1693 | ||
1694 | if (i >= 1) { | |
1695 | _MSG(", "); | |
1696 | } | |
1697 | switch (value_type) { | |
1698 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_PID: | |
1699 | { | |
1700 | pid_t pid; | |
1701 | ||
28ab034a | 1702 | values_status = lttng_process_attr_values_get_pid_at_index(values, i, &pid); |
159b042f JG |
1703 | integral_value = (int64_t) pid; |
1704 | break; | |
1705 | } | |
1706 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_UID: | |
1707 | { | |
1708 | uid_t uid; | |
a7a533cd | 1709 | |
28ab034a | 1710 | values_status = lttng_process_attr_values_get_uid_at_index(values, i, &uid); |
159b042f JG |
1711 | integral_value = (int64_t) uid; |
1712 | break; | |
1713 | } | |
1714 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GID: | |
1715 | { | |
1716 | gid_t gid; | |
2d97a006 | 1717 | |
28ab034a | 1718 | values_status = lttng_process_attr_values_get_gid_at_index(values, i, &gid); |
159b042f JG |
1719 | integral_value = (int64_t) gid; |
1720 | break; | |
1721 | } | |
1722 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME: | |
28ab034a JG |
1723 | values_status = |
1724 | lttng_process_attr_values_get_user_name_at_index(values, i, &name); | |
159b042f JG |
1725 | break; |
1726 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GROUP_NAME: | |
28ab034a JG |
1727 | values_status = |
1728 | lttng_process_attr_values_get_group_name_at_index(values, i, &name); | |
159b042f JG |
1729 | break; |
1730 | default: | |
1731 | ret = CMD_ERROR; | |
1732 | goto end; | |
1733 | } | |
83d6d6c4 | 1734 | |
159b042f JG |
1735 | if (values_status != LTTNG_PROCESS_ATTR_VALUES_STATUS_OK) { |
1736 | /* | |
1737 | * Not possible given the current liblttng-ctl | |
1738 | * implementation. | |
1739 | */ | |
1740 | ERR("Unknown error occurred while fetching process attribute value in inclusion list"); | |
1741 | ret = CMD_FATAL; | |
1742 | goto end; | |
1743 | } | |
ebbf5ab7 | 1744 | |
159b042f JG |
1745 | if (is_value_type_name(value_type)) { |
1746 | _MSG("`%s`", name); | |
1747 | } else { | |
1748 | _MSG("%" PRIi64, integral_value); | |
a5dfbb9d | 1749 | } |
ebbf5ab7 | 1750 | |
159b042f | 1751 | /* Mi */ |
41493f4a | 1752 | if (the_writer) { |
159b042f | 1753 | ret = is_value_type_name(value_type) ? |
28ab034a JG |
1754 | mi_lttng_string_process_attribute_value( |
1755 | the_writer, process_attr, name, false) : | |
1756 | mi_lttng_integral_process_attribute_value( | |
1757 | the_writer, process_attr, integral_value, false); | |
ebbf5ab7 JR |
1758 | if (ret) { |
1759 | goto end; | |
1760 | } | |
1761 | } | |
a5dfbb9d | 1762 | } |
159b042f JG |
1763 | MSG(""); |
1764 | ||
1765 | /* Mi close tracker_id and targets */ | |
41493f4a SM |
1766 | if (the_writer) { |
1767 | ret = mi_lttng_close_multi_element(the_writer, 2); | |
159b042f JG |
1768 | if (ret) { |
1769 | goto end; | |
1770 | } | |
1771 | } | |
ebbf5ab7 | 1772 | end: |
159b042f | 1773 | lttng_process_attr_tracker_handle_destroy(tracker_handle); |
ebbf5ab7 | 1774 | return ret; |
ebbf5ab7 JR |
1775 | } |
1776 | ||
1777 | /* | |
83d6d6c4 | 1778 | * List all trackers of a domain |
ebbf5ab7 | 1779 | */ |
83d6d6c4 | 1780 | static int list_trackers(const struct lttng_domain *domain) |
ebbf5ab7 | 1781 | { |
0dda6728 | 1782 | int ret = 0; |
ebbf5ab7 | 1783 | |
159b042f | 1784 | MSG("Tracked process attributes"); |
ebbf5ab7 JR |
1785 | /* Trackers listing */ |
1786 | if (lttng_opt_mi) { | |
41493f4a | 1787 | ret = mi_lttng_trackers_open(the_writer); |
ebbf5ab7 JR |
1788 | if (ret) { |
1789 | goto end; | |
1790 | } | |
1791 | } | |
1792 | ||
83d6d6c4 JR |
1793 | switch (domain->type) { |
1794 | case LTTNG_DOMAIN_KERNEL: | |
1795 | /* pid tracker */ | |
159b042f | 1796 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_PROCESS_ID); |
83d6d6c4 JR |
1797 | if (ret) { |
1798 | goto end; | |
1799 | } | |
1800 | /* vpid tracker */ | |
28ab034a | 1801 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID); |
83d6d6c4 JR |
1802 | if (ret) { |
1803 | goto end; | |
1804 | } | |
1805 | /* uid tracker */ | |
159b042f | 1806 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_USER_ID); |
83d6d6c4 JR |
1807 | if (ret) { |
1808 | goto end; | |
1809 | } | |
1810 | /* vuid tracker */ | |
28ab034a | 1811 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID); |
83d6d6c4 JR |
1812 | if (ret) { |
1813 | goto end; | |
1814 | } | |
1815 | /* gid tracker */ | |
159b042f | 1816 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_GROUP_ID); |
83d6d6c4 JR |
1817 | if (ret) { |
1818 | goto end; | |
1819 | } | |
1820 | /* vgid tracker */ | |
28ab034a | 1821 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID); |
83d6d6c4 JR |
1822 | if (ret) { |
1823 | goto end; | |
1824 | } | |
1825 | break; | |
1826 | case LTTNG_DOMAIN_UST: | |
1827 | /* vpid tracker */ | |
28ab034a | 1828 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID); |
83d6d6c4 JR |
1829 | if (ret) { |
1830 | goto end; | |
1831 | } | |
1832 | /* vuid tracker */ | |
28ab034a | 1833 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID); |
83d6d6c4 JR |
1834 | if (ret) { |
1835 | goto end; | |
1836 | } | |
1837 | /* vgid tracker */ | |
28ab034a | 1838 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID); |
83d6d6c4 JR |
1839 | if (ret) { |
1840 | goto end; | |
1841 | } | |
1842 | break; | |
1843 | default: | |
1844 | break; | |
ebbf5ab7 | 1845 | } |
159b042f | 1846 | MSG(); |
ebbf5ab7 JR |
1847 | if (lttng_opt_mi) { |
1848 | /* Close trackers element */ | |
41493f4a | 1849 | ret = mi_lttng_writer_close_element(the_writer); |
ebbf5ab7 JR |
1850 | if (ret) { |
1851 | goto end; | |
1852 | } | |
1853 | } | |
1854 | ||
1855 | end: | |
1856 | return ret; | |
a5dfbb9d MD |
1857 | } |
1858 | ||
28ab034a JG |
1859 | static enum cmd_error_code |
1860 | print_periodic_rotation_schedule(const struct lttng_rotation_schedule *schedule) | |
66ea93b1 JG |
1861 | { |
1862 | enum cmd_error_code ret; | |
1863 | enum lttng_rotation_status status; | |
1864 | uint64_t value; | |
1865 | ||
28ab034a | 1866 | status = lttng_rotation_schedule_periodic_get_period(schedule, &value); |
66ea93b1 JG |
1867 | if (status != LTTNG_ROTATION_STATUS_OK) { |
1868 | ERR("Failed to retrieve period parameter from periodic rotation schedule."); | |
1869 | ret = CMD_ERROR; | |
1870 | goto end; | |
1871 | } | |
1872 | ||
28ab034a | 1873 | MSG(" timer period: %" PRIu64 " %s", value, USEC_UNIT); |
66ea93b1 JG |
1874 | ret = CMD_SUCCESS; |
1875 | end: | |
1876 | return ret; | |
1877 | } | |
1878 | ||
28ab034a JG |
1879 | static enum cmd_error_code |
1880 | print_size_threshold_rotation_schedule(const struct lttng_rotation_schedule *schedule) | |
66ea93b1 JG |
1881 | { |
1882 | enum cmd_error_code ret; | |
1883 | enum lttng_rotation_status status; | |
1884 | uint64_t value; | |
1885 | ||
28ab034a | 1886 | status = lttng_rotation_schedule_size_threshold_get_threshold(schedule, &value); |
66ea93b1 JG |
1887 | if (status != LTTNG_ROTATION_STATUS_OK) { |
1888 | ERR("Failed to retrieve size parameter from size-based rotation schedule."); | |
1889 | ret = CMD_ERROR; | |
1890 | goto end; | |
1891 | } | |
1892 | ||
28ab034a | 1893 | MSG(" size threshold: %" PRIu64 " bytes", value); |
66ea93b1 JG |
1894 | ret = CMD_SUCCESS; |
1895 | end: | |
1896 | return ret; | |
1897 | } | |
1898 | ||
28ab034a | 1899 | static enum cmd_error_code print_rotation_schedule(const struct lttng_rotation_schedule *schedule) |
66ea93b1 JG |
1900 | { |
1901 | enum cmd_error_code ret; | |
1902 | ||
1903 | switch (lttng_rotation_schedule_get_type(schedule)) { | |
1904 | case LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD: | |
1905 | ret = print_size_threshold_rotation_schedule(schedule); | |
1906 | break; | |
1907 | case LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC: | |
1908 | ret = print_periodic_rotation_schedule(schedule); | |
1909 | break; | |
1910 | default: | |
1911 | ret = CMD_ERROR; | |
1912 | } | |
1913 | return ret; | |
1914 | } | |
1915 | ||
329f3443 | 1916 | /* |
66ea93b1 | 1917 | * List the automatic rotation settings. |
329f3443 | 1918 | */ |
66ea93b1 | 1919 | static enum cmd_error_code list_rotate_settings(const char *session_name) |
329f3443 JD |
1920 | { |
1921 | int ret; | |
66ea93b1 JG |
1922 | enum cmd_error_code cmd_ret = CMD_SUCCESS; |
1923 | unsigned int count, i; | |
cd9adb8b | 1924 | struct lttng_rotation_schedules *schedules = nullptr; |
66ea93b1 JG |
1925 | enum lttng_rotation_status status; |
1926 | ||
1927 | ret = lttng_session_list_rotation_schedules(session_name, &schedules); | |
1928 | if (ret != LTTNG_OK) { | |
1929 | ERR("Failed to list session rotation schedules: %s", lttng_strerror(ret)); | |
1930 | cmd_ret = CMD_ERROR; | |
329f3443 JD |
1931 | goto end; |
1932 | } | |
1933 | ||
66ea93b1 JG |
1934 | status = lttng_rotation_schedules_get_count(schedules, &count); |
1935 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1936 | ERR("Failed to retrieve the number of session rotation schedules."); | |
1937 | cmd_ret = CMD_ERROR; | |
329f3443 JD |
1938 | goto end; |
1939 | } | |
1940 | ||
66ea93b1 JG |
1941 | if (count == 0) { |
1942 | cmd_ret = CMD_SUCCESS; | |
329f3443 JD |
1943 | goto end; |
1944 | } | |
1945 | ||
66ea93b1 JG |
1946 | MSG("Automatic rotation schedules:"); |
1947 | if (lttng_opt_mi) { | |
28ab034a | 1948 | ret = mi_lttng_writer_open_element(the_writer, mi_lttng_element_rotation_schedules); |
66ea93b1 JG |
1949 | if (ret) { |
1950 | cmd_ret = CMD_ERROR; | |
1951 | goto end; | |
329f3443 JD |
1952 | } |
1953 | } | |
66ea93b1 JG |
1954 | |
1955 | for (i = 0; i < count; i++) { | |
1956 | enum cmd_error_code tmp_ret = CMD_SUCCESS; | |
1957 | const struct lttng_rotation_schedule *schedule; | |
1958 | ||
1959 | schedule = lttng_rotation_schedules_get_at_index(schedules, i); | |
1960 | if (!schedule) { | |
1961 | ERR("Failed to retrieve session rotation schedule."); | |
1962 | cmd_ret = CMD_ERROR; | |
1963 | goto end; | |
1964 | } | |
1965 | ||
329f3443 | 1966 | if (lttng_opt_mi) { |
41493f4a | 1967 | ret = mi_lttng_rotation_schedule(the_writer, schedule); |
329f3443 | 1968 | if (ret) { |
66ea93b1 | 1969 | tmp_ret = CMD_ERROR; |
329f3443 | 1970 | } |
66ea93b1 JG |
1971 | } else { |
1972 | tmp_ret = print_rotation_schedule(schedule); | |
329f3443 | 1973 | } |
66ea93b1 JG |
1974 | |
1975 | /* | |
1976 | * Report an error if the serialization of any of the | |
1977 | * descriptors failed. | |
1978 | */ | |
1979 | cmd_ret = cmd_ret ? cmd_ret : tmp_ret; | |
329f3443 | 1980 | } |
329f3443 | 1981 | |
66ea93b1 JG |
1982 | _MSG("\n"); |
1983 | if (lttng_opt_mi) { | |
1984 | /* Close the rotation_schedules element. */ | |
41493f4a | 1985 | ret = mi_lttng_writer_close_element(the_writer); |
66ea93b1 JG |
1986 | if (ret) { |
1987 | cmd_ret = CMD_ERROR; | |
1988 | goto end; | |
1989 | } | |
1990 | } | |
329f3443 | 1991 | end: |
66ea93b1 JG |
1992 | lttng_rotation_schedules_destroy(schedules); |
1993 | return cmd_ret; | |
329f3443 JD |
1994 | } |
1995 | ||
fb14d0d8 JR |
1996 | /* |
1997 | * Machine interface | |
1998 | * Find the session with session_name as name | |
1999 | * and print his informations. | |
2000 | */ | |
28ab034a | 2001 | static int mi_list_session(const char *session_name, struct lttng_session *sessions, int count) |
fb14d0d8 JR |
2002 | { |
2003 | int ret, i; | |
2004 | unsigned int session_found = 0; | |
2005 | ||
cd9adb8b | 2006 | if (session_name == nullptr) { |
fb14d0d8 JR |
2007 | ret = -LTTNG_ERR_SESS_NOT_FOUND; |
2008 | goto end; | |
2009 | } | |
2010 | ||
2011 | for (i = 0; i < count; i++) { | |
2012 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
2013 | /* We need to leave it open to append other informations | |
2014 | * like domain, channel, events etc.*/ | |
2015 | session_found = 1; | |
41493f4a | 2016 | ret = mi_lttng_session(the_writer, &sessions[i], 1); |
fb14d0d8 JR |
2017 | if (ret) { |
2018 | goto end; | |
2019 | } | |
9f19cc17 | 2020 | break; |
f3ed775e | 2021 | } |
f3ed775e DG |
2022 | } |
2023 | ||
fb14d0d8 JR |
2024 | if (!session_found) { |
2025 | ERR("Session '%s' not found", session_name); | |
2026 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
2027 | goto end; | |
9f19cc17 | 2028 | } |
f3ed775e | 2029 | |
fb14d0d8 JR |
2030 | end: |
2031 | return ret; | |
2032 | } | |
f3ed775e | 2033 | |
fb14d0d8 JR |
2034 | /* |
2035 | * Machine interface | |
2036 | * List all availables session | |
2037 | */ | |
2038 | static int mi_list_sessions(struct lttng_session *sessions, int count) | |
2039 | { | |
2040 | int ret, i; | |
ae856491 | 2041 | |
fb14d0d8 | 2042 | /* Opening sessions element */ |
41493f4a | 2043 | ret = mi_lttng_sessions_open(the_writer); |
fb14d0d8 JR |
2044 | if (ret) { |
2045 | goto end; | |
2046 | } | |
2047 | ||
2048 | /* Listing sessions */ | |
2049 | for (i = 0; i < count; i++) { | |
41493f4a | 2050 | ret = mi_lttng_session(the_writer, &sessions[i], 0); |
fb14d0d8 JR |
2051 | if (ret) { |
2052 | goto end; | |
2053 | } | |
2054 | } | |
2055 | ||
2056 | /* Closing sessions element */ | |
41493f4a | 2057 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
2058 | if (ret) { |
2059 | goto end; | |
2060 | } | |
2061 | ||
2062 | end: | |
f3ed775e DG |
2063 | return ret; |
2064 | } | |
2065 | ||
2066 | /* | |
9f19cc17 | 2067 | * List available tracing session. List only basic information. |
f3ed775e | 2068 | * |
9f19cc17 | 2069 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 2070 | */ |
9f19cc17 | 2071 | static int list_sessions(const char *session_name) |
f3ed775e | 2072 | { |
fb14d0d8 JR |
2073 | int ret = CMD_SUCCESS; |
2074 | int count, i; | |
9f19cc17 | 2075 | unsigned int session_found = 0; |
cd9adb8b | 2076 | struct lttng_session *sessions = nullptr; |
9f19cc17 DG |
2077 | |
2078 | count = lttng_list_sessions(&sessions); | |
2079 | DBG("Session count %d", count); | |
2080 | if (count < 0) { | |
fb14d0d8 JR |
2081 | ret = CMD_ERROR; |
2082 | ERR("%s", lttng_strerror(count)); | |
d32fb093 | 2083 | goto end; |
9f19cc17 DG |
2084 | } |
2085 | ||
fb14d0d8 JR |
2086 | if (lttng_opt_mi) { |
2087 | /* Mi */ | |
cd9adb8b | 2088 | if (session_name == nullptr) { |
aff0fa72 | 2089 | /* List all sessions */ |
fb14d0d8 JR |
2090 | ret = mi_list_sessions(sessions, count); |
2091 | } else { | |
2092 | /* Note : this return an open session element */ | |
2093 | ret = mi_list_session(session_name, sessions, count); | |
2094 | } | |
2095 | if (ret) { | |
2096 | ret = CMD_ERROR; | |
aff0fa72 | 2097 | goto end; |
fb14d0d8 JR |
2098 | } |
2099 | } else { | |
2100 | /* Pretty print */ | |
2101 | if (count == 0) { | |
e9711845 | 2102 | MSG("Currently no available recording session"); |
fb14d0d8 JR |
2103 | goto end; |
2104 | } | |
9f19cc17 | 2105 | |
cd9adb8b | 2106 | if (session_name == nullptr) { |
e9711845 | 2107 | MSG("Available recording sessions:"); |
fb14d0d8 JR |
2108 | } |
2109 | ||
fb14d0d8 | 2110 | for (i = 0; i < count; i++) { |
cd9adb8b | 2111 | if (session_name != nullptr) { |
fb14d0d8 JR |
2112 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { |
2113 | session_found = 1; | |
28ab034a JG |
2114 | MSG("Recording session %s: [%s%s]", |
2115 | session_name, | |
2116 | active_string(sessions[i].enabled), | |
2117 | snapshot_string(sessions[i].snapshot_mode)); | |
5b89fc92 | 2118 | if (*sessions[i].path) { |
28ab034a JG |
2119 | MSG("%sTrace output: %s\n", |
2120 | indent4, | |
2121 | sessions[i].path); | |
5b89fc92 | 2122 | } |
41493f4a | 2123 | memcpy(&the_listed_session, |
28ab034a JG |
2124 | &sessions[i], |
2125 | sizeof(the_listed_session)); | |
fb14d0d8 JR |
2126 | break; |
2127 | } | |
2128 | } else { | |
28ab034a JG |
2129 | MSG(" %d) %s [%s%s]", |
2130 | i + 1, | |
2131 | sessions[i].name, | |
2132 | active_string(sessions[i].enabled), | |
2133 | snapshot_string(sessions[i].snapshot_mode)); | |
5b89fc92 JG |
2134 | if (*sessions[i].path) { |
2135 | MSG("%sTrace output: %s", indent4, sessions[i].path); | |
2136 | } | |
fcbc96a2 | 2137 | if (sessions[i].live_timer_interval != 0) { |
28ab034a JG |
2138 | MSG("%sLive timer interval: %u %s", |
2139 | indent4, | |
2140 | sessions[i].live_timer_interval, | |
2141 | USEC_UNIT); | |
fcbc96a2 JG |
2142 | } |
2143 | MSG(""); | |
9f19cc17 | 2144 | } |
fb14d0d8 JR |
2145 | } |
2146 | ||
cd9adb8b | 2147 | if (!session_found && session_name != nullptr) { |
fb14d0d8 JR |
2148 | ERR("Session '%s' not found", session_name); |
2149 | ret = CMD_ERROR; | |
aff0fa72 | 2150 | goto end; |
fb14d0d8 JR |
2151 | } |
2152 | ||
cd9adb8b | 2153 | if (session_name == nullptr) { |
fb14d0d8 | 2154 | MSG("\nUse lttng list <session_name> for more details"); |
9f19cc17 DG |
2155 | } |
2156 | } | |
2157 | ||
fb14d0d8 | 2158 | end: |
aff0fa72 | 2159 | free(sessions); |
fb14d0d8 JR |
2160 | return ret; |
2161 | } | |
9f19cc17 | 2162 | |
fb14d0d8 JR |
2163 | /* |
2164 | * Machine Interface | |
2165 | * list available domain(s) for a session. | |
2166 | */ | |
2167 | static int mi_list_domains(struct lttng_domain *domains, int count) | |
2168 | { | |
2169 | int i, ret; | |
2170 | /* Open domains element */ | |
41493f4a | 2171 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
2172 | if (ret) { |
2173 | goto end; | |
9f19cc17 DG |
2174 | } |
2175 | ||
fb14d0d8 | 2176 | for (i = 0; i < count; i++) { |
41493f4a | 2177 | ret = mi_lttng_domain(the_writer, &domains[i], 0); |
fb14d0d8 JR |
2178 | if (ret) { |
2179 | goto end; | |
2180 | } | |
9f19cc17 | 2181 | } |
f3ed775e | 2182 | |
fb14d0d8 | 2183 | /* Closing domains element */ |
41493f4a | 2184 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
2185 | if (ret) { |
2186 | goto end; | |
2187 | } | |
d32fb093 | 2188 | end: |
f3ed775e DG |
2189 | return ret; |
2190 | } | |
f3ed775e DG |
2191 | |
2192 | /* | |
9f19cc17 | 2193 | * List available domain(s) for a session. |
f3ed775e | 2194 | */ |
330be774 | 2195 | static int list_domains(const char *session_name) |
f3ed775e | 2196 | { |
9f19cc17 | 2197 | int i, count, ret = CMD_SUCCESS; |
cd9adb8b | 2198 | struct lttng_domain *domains = nullptr; |
9f19cc17 | 2199 | |
330be774 | 2200 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 | 2201 | if (count < 0) { |
fb14d0d8 JR |
2202 | ret = CMD_ERROR; |
2203 | ERR("%s", lttng_strerror(count)); | |
9f19cc17 DG |
2204 | goto end; |
2205 | } | |
2206 | ||
fb14d0d8 JR |
2207 | if (lttng_opt_mi) { |
2208 | /* Mi output */ | |
2209 | ret = mi_list_domains(domains, count); | |
2210 | if (ret) { | |
2211 | ret = CMD_ERROR; | |
2212 | goto error; | |
2213 | } | |
2214 | } else { | |
2215 | /* Pretty print */ | |
2216 | MSG("Domains:\n-------------"); | |
2217 | if (count == 0) { | |
2218 | MSG(" None"); | |
2219 | goto end; | |
2220 | } | |
2221 | ||
2222 | for (i = 0; i < count; i++) { | |
2223 | switch (domains[i].type) { | |
2224 | case LTTNG_DOMAIN_KERNEL: | |
2225 | MSG(" - Kernel"); | |
2226 | break; | |
2227 | case LTTNG_DOMAIN_UST: | |
2228 | MSG(" - UST global"); | |
2229 | break; | |
2230 | case LTTNG_DOMAIN_JUL: | |
47abf22b | 2231 | MSG(" - JUL (java.util.logging)"); |
fb14d0d8 | 2232 | break; |
5cdb6027 | 2233 | case LTTNG_DOMAIN_LOG4J: |
47abf22b MJ |
2234 | MSG(" - Log4j"); |
2235 | break; | |
2236 | case LTTNG_DOMAIN_LOG4J2: | |
2237 | MSG(" - Log4j2"); | |
5cdb6027 | 2238 | break; |
0e115563 DG |
2239 | case LTTNG_DOMAIN_PYTHON: |
2240 | MSG(" - Python (logging)"); | |
2241 | break; | |
fb14d0d8 JR |
2242 | default: |
2243 | break; | |
2244 | } | |
9f19cc17 DG |
2245 | } |
2246 | } | |
2247 | ||
fb14d0d8 | 2248 | error: |
9f19cc17 DG |
2249 | free(domains); |
2250 | ||
fb14d0d8 | 2251 | end: |
9f19cc17 | 2252 | return ret; |
f3ed775e | 2253 | } |
f3ed775e DG |
2254 | |
2255 | /* | |
9f19cc17 | 2256 | * The 'list <options>' first level command |
f3ed775e DG |
2257 | */ |
2258 | int cmd_list(int argc, const char **argv) | |
2259 | { | |
c617c0c6 | 2260 | int opt, ret = CMD_SUCCESS; |
cd9adb8b | 2261 | const char *arg_session_name, *leftover = nullptr; |
f3ed775e | 2262 | static poptContext pc; |
9f19cc17 | 2263 | struct lttng_domain domain; |
cd9adb8b | 2264 | struct lttng_domain *domains = nullptr; |
f3ed775e | 2265 | |
441c16a7 MD |
2266 | memset(&domain, 0, sizeof(domain)); |
2267 | ||
9f19cc17 | 2268 | if (argc < 1) { |
ca1c3607 | 2269 | ret = CMD_ERROR; |
f3ed775e DG |
2270 | goto end; |
2271 | } | |
2272 | ||
cd9adb8b | 2273 | pc = poptGetContext(nullptr, argc, argv, long_options, 0); |
f3ed775e DG |
2274 | poptReadDefaultConfig(pc, 0); |
2275 | ||
2276 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
2277 | switch (opt) { | |
2278 | case OPT_HELP: | |
4ba92f18 | 2279 | SHOW_HELP(); |
f3ed775e | 2280 | goto end; |
eeac7d46 MD |
2281 | case OPT_USERSPACE: |
2282 | opt_userspace = 1; | |
eeac7d46 | 2283 | break; |
679b4943 SM |
2284 | case OPT_LIST_OPTIONS: |
2285 | list_cmd_options(stdout, long_options); | |
679b4943 | 2286 | goto end; |
f3ed775e | 2287 | default: |
f3ed775e DG |
2288 | ret = CMD_UNDEFINED; |
2289 | goto end; | |
2290 | } | |
2291 | } | |
2292 | ||
fb14d0d8 JR |
2293 | /* Mi check */ |
2294 | if (lttng_opt_mi) { | |
28ab034a | 2295 | the_writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); |
41493f4a | 2296 | if (!the_writer) { |
fb14d0d8 JR |
2297 | ret = CMD_ERROR; |
2298 | goto end; | |
2299 | } | |
2300 | ||
2301 | /* Open command element */ | |
28ab034a | 2302 | ret = mi_lttng_writer_command_open(the_writer, mi_lttng_element_command_list); |
fb14d0d8 JR |
2303 | if (ret) { |
2304 | ret = CMD_ERROR; | |
2305 | goto end; | |
2306 | } | |
2307 | ||
2308 | /* Open output element */ | |
28ab034a | 2309 | ret = mi_lttng_writer_open_element(the_writer, mi_lttng_element_command_output); |
fb14d0d8 JR |
2310 | if (ret) { |
2311 | ret = CMD_ERROR; | |
2312 | goto end; | |
2313 | } | |
2314 | } | |
2315 | ||
9f19cc17 | 2316 | /* Get session name (trailing argument) */ |
5b915816 MJ |
2317 | arg_session_name = poptGetArg(pc); |
2318 | DBG2("Session name: %s", arg_session_name); | |
9f19cc17 | 2319 | |
68c7f6e5 JD |
2320 | leftover = poptGetArg(pc); |
2321 | if (leftover) { | |
2322 | ERR("Unknown argument: %s", leftover); | |
2323 | ret = CMD_ERROR; | |
2324 | goto end; | |
2325 | } | |
2326 | ||
cd80958d DG |
2327 | if (opt_kernel) { |
2328 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
2329 | } else if (opt_userspace) { |
2330 | DBG2("Listing userspace global domain"); | |
2331 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
2332 | } else if (opt_jul) { |
2333 | DBG2("Listing JUL domain"); | |
2334 | domain.type = LTTNG_DOMAIN_JUL; | |
edf60534 | 2335 | } else if (opt_log4j) { |
5cdb6027 | 2336 | domain.type = LTTNG_DOMAIN_LOG4J; |
47abf22b MJ |
2337 | } else if (opt_log4j2) { |
2338 | domain.type = LTTNG_DOMAIN_LOG4J2; | |
0e115563 DG |
2339 | } else if (opt_python) { |
2340 | domain.type = LTTNG_DOMAIN_PYTHON; | |
cd80958d DG |
2341 | } |
2342 | ||
834978fd DG |
2343 | if (!opt_kernel && opt_syscall) { |
2344 | WARN("--syscall will only work with the Kernel domain (-k)"); | |
2345 | ret = CMD_ERROR; | |
2346 | goto end; | |
2347 | } | |
2348 | ||
47abf22b | 2349 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_log4j2 || opt_python) { |
5b915816 | 2350 | the_handle = lttng_create_handle(arg_session_name, &domain); |
cd9adb8b | 2351 | if (the_handle == nullptr) { |
aa5de748 MD |
2352 | ret = CMD_FATAL; |
2353 | goto end; | |
2354 | } | |
cd80958d DG |
2355 | } |
2356 | ||
cd9adb8b | 2357 | if (arg_session_name == nullptr) { |
47abf22b MJ |
2358 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j && !opt_log4j2 && |
2359 | !opt_python) { | |
cd9adb8b | 2360 | ret = list_sessions(nullptr); |
fb14d0d8 | 2361 | if (ret) { |
b551a063 DG |
2362 | goto end; |
2363 | } | |
2364 | } | |
9f19cc17 | 2365 | if (opt_kernel) { |
834978fd DG |
2366 | if (opt_syscall) { |
2367 | ret = list_syscalls(); | |
2368 | if (ret) { | |
2369 | goto end; | |
2370 | } | |
2371 | } else { | |
2372 | ret = list_kernel_events(); | |
2373 | if (ret) { | |
2374 | goto end; | |
2375 | } | |
9f19cc17 | 2376 | } |
b551a063 DG |
2377 | } |
2378 | if (opt_userspace) { | |
f37d259d MD |
2379 | if (opt_fields) { |
2380 | ret = list_ust_event_fields(); | |
2381 | } else { | |
2382 | ret = list_ust_events(); | |
2383 | } | |
fb14d0d8 | 2384 | if (ret) { |
9f19cc17 DG |
2385 | goto end; |
2386 | } | |
2387 | } | |
47abf22b | 2388 | if (opt_jul || opt_log4j || opt_log4j2 || opt_python) { |
5cdb6027 | 2389 | ret = list_agent_events(); |
fb14d0d8 | 2390 | if (ret) { |
3c6a091f DG |
2391 | goto end; |
2392 | } | |
2393 | } | |
9f19cc17 DG |
2394 | } else { |
2395 | /* List session attributes */ | |
fb14d0d8 JR |
2396 | if (lttng_opt_mi) { |
2397 | /* Open element sessions | |
2398 | * Present for xml consistency */ | |
41493f4a | 2399 | ret = mi_lttng_sessions_open(the_writer); |
fb14d0d8 JR |
2400 | if (ret) { |
2401 | goto end; | |
2402 | } | |
2403 | } | |
2404 | /* MI: the ouptut of list_sessions is an unclosed session element */ | |
5b915816 | 2405 | ret = list_sessions(arg_session_name); |
fb14d0d8 | 2406 | if (ret) { |
9f19cc17 DG |
2407 | goto end; |
2408 | } | |
2409 | ||
5b915816 | 2410 | ret = list_rotate_settings(arg_session_name); |
329f3443 JD |
2411 | if (ret) { |
2412 | goto end; | |
2413 | } | |
2414 | ||
9f19cc17 DG |
2415 | /* Domain listing */ |
2416 | if (opt_domain) { | |
5b915816 | 2417 | ret = list_domains(arg_session_name); |
9f19cc17 DG |
2418 | goto end; |
2419 | } | |
2420 | ||
fb14d0d8 | 2421 | /* Channel listing */ |
1c3de747 | 2422 | if (opt_kernel || opt_userspace) { |
fb14d0d8 JR |
2423 | if (lttng_opt_mi) { |
2424 | /* Add of domains and domain element for xml | |
2425 | * consistency and validation | |
2426 | */ | |
41493f4a | 2427 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
2428 | if (ret) { |
2429 | goto end; | |
2430 | } | |
2431 | ||
2432 | /* Open domain and leave it open for | |
2433 | * nested channels printing */ | |
41493f4a | 2434 | ret = mi_lttng_domain(the_writer, &domain, 1); |
fb14d0d8 JR |
2435 | if (ret) { |
2436 | goto end; | |
2437 | } | |
fb14d0d8 JR |
2438 | } |
2439 | ||
ebbf5ab7 | 2440 | /* Trackers */ |
83d6d6c4 | 2441 | ret = list_trackers(&domain); |
a5dfbb9d MD |
2442 | if (ret) { |
2443 | goto end; | |
2444 | } | |
2445 | ||
ebbf5ab7 | 2446 | /* Channels */ |
cd80958d | 2447 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
2448 | if (ret) { |
2449 | goto end; | |
2450 | } | |
2451 | ||
2452 | if (lttng_opt_mi) { | |
2453 | /* Close domain and domain element */ | |
28ab034a | 2454 | ret = mi_lttng_close_multi_element(the_writer, 2); |
fb14d0d8 JR |
2455 | } |
2456 | if (ret) { | |
9f19cc17 DG |
2457 | goto end; |
2458 | } | |
fb14d0d8 | 2459 | |
9f19cc17 | 2460 | } else { |
c617c0c6 MD |
2461 | int i, nb_domain; |
2462 | ||
9f19cc17 | 2463 | /* We want all domain(s) */ |
5b915816 | 2464 | nb_domain = lttng_list_domains(arg_session_name, &domains); |
b551a063 | 2465 | if (nb_domain < 0) { |
fb14d0d8 JR |
2466 | ret = CMD_ERROR; |
2467 | ERR("%s", lttng_strerror(nb_domain)); | |
9f19cc17 DG |
2468 | goto end; |
2469 | } | |
2470 | ||
fb14d0d8 | 2471 | if (lttng_opt_mi) { |
41493f4a | 2472 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
2473 | if (ret) { |
2474 | ret = CMD_ERROR; | |
2475 | goto end; | |
2476 | } | |
2477 | } | |
2478 | ||
b551a063 | 2479 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
2480 | switch (domains[i].type) { |
2481 | case LTTNG_DOMAIN_KERNEL: | |
ac41e67e | 2482 | MSG("=== Domain: Linux kernel ===\n"); |
9f19cc17 | 2483 | break; |
b551a063 | 2484 | case LTTNG_DOMAIN_UST: |
ac41e67e | 2485 | MSG("=== Domain: User space ===\n"); |
74707e6e | 2486 | MSG("Buffering scheme: %s\n", |
28ab034a JG |
2487 | domains[i].buf_type == LTTNG_BUFFER_PER_PID ? |
2488 | "per-process" : | |
2489 | "per-user"); | |
b551a063 | 2490 | break; |
3c6a091f | 2491 | case LTTNG_DOMAIN_JUL: |
47abf22b | 2492 | MSG("=== Domain: JUL (java.util.logging) ===\n"); |
3c6a091f | 2493 | break; |
5cdb6027 | 2494 | case LTTNG_DOMAIN_LOG4J: |
47abf22b MJ |
2495 | MSG("=== Domain: Log4j ===\n"); |
2496 | break; | |
2497 | case LTTNG_DOMAIN_LOG4J2: | |
2498 | MSG("=== Domain: Log4j2 ===\n"); | |
5cdb6027 | 2499 | break; |
0e115563 | 2500 | case LTTNG_DOMAIN_PYTHON: |
ac41e67e | 2501 | MSG("=== Domain: Python logging ===\n"); |
0e115563 | 2502 | break; |
9f19cc17 DG |
2503 | default: |
2504 | MSG("=== Domain: Unimplemented ===\n"); | |
2505 | break; | |
2506 | } | |
2507 | ||
fb14d0d8 | 2508 | if (lttng_opt_mi) { |
28ab034a | 2509 | ret = mi_lttng_domain(the_writer, &domains[i], 1); |
fb14d0d8 JR |
2510 | if (ret) { |
2511 | ret = CMD_ERROR; | |
2512 | goto end; | |
2513 | } | |
2514 | } | |
2515 | ||
cd80958d | 2516 | /* Clean handle before creating a new one */ |
41493f4a SM |
2517 | if (the_handle) { |
2518 | lttng_destroy_handle(the_handle); | |
aa5de748 | 2519 | } |
cd80958d | 2520 | |
28ab034a | 2521 | the_handle = lttng_create_handle(arg_session_name, &domains[i]); |
cd9adb8b | 2522 | if (the_handle == nullptr) { |
ca1c3607 | 2523 | ret = CMD_FATAL; |
cd80958d DG |
2524 | goto end; |
2525 | } | |
2526 | ||
5cdb6027 | 2527 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
28ab034a | 2528 | domains[i].type == LTTNG_DOMAIN_LOG4J || |
47abf22b | 2529 | domains[i].type == LTTNG_DOMAIN_LOG4J2 || |
28ab034a | 2530 | domains[i].type == LTTNG_DOMAIN_PYTHON) { |
5cdb6027 | 2531 | ret = list_session_agent_events(); |
fb14d0d8 | 2532 | if (ret) { |
3c6a091f DG |
2533 | goto end; |
2534 | } | |
cd7b2927 PP |
2535 | |
2536 | goto next_domain; | |
3c6a091f | 2537 | } |
a5dfbb9d MD |
2538 | |
2539 | switch (domains[i].type) { | |
2540 | case LTTNG_DOMAIN_KERNEL: | |
2541 | case LTTNG_DOMAIN_UST: | |
83d6d6c4 | 2542 | ret = list_trackers(&domains[i]); |
a5dfbb9d MD |
2543 | if (ret) { |
2544 | goto end; | |
2545 | } | |
2546 | break; | |
2547 | default: | |
2548 | break; | |
2549 | } | |
3c6a091f | 2550 | |
cd80958d | 2551 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
2552 | if (ret) { |
2553 | goto end; | |
2554 | } | |
2555 | ||
28ab034a | 2556 | next_domain: |
fb14d0d8 JR |
2557 | if (lttng_opt_mi) { |
2558 | /* Close domain element */ | |
28ab034a | 2559 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
2560 | if (ret) { |
2561 | ret = CMD_ERROR; | |
2562 | goto end; | |
2563 | } | |
2564 | } | |
fb14d0d8 JR |
2565 | } |
2566 | if (lttng_opt_mi) { | |
2567 | /* Close the domains, session and sessions element */ | |
28ab034a | 2568 | ret = mi_lttng_close_multi_element(the_writer, 3); |
fb14d0d8 JR |
2569 | if (ret) { |
2570 | ret = CMD_ERROR; | |
9f19cc17 DG |
2571 | goto end; |
2572 | } | |
2573 | } | |
2574 | } | |
f3ed775e DG |
2575 | } |
2576 | ||
fb14d0d8 JR |
2577 | /* Mi closing */ |
2578 | if (lttng_opt_mi) { | |
2579 | /* Close output element */ | |
41493f4a | 2580 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
2581 | if (ret) { |
2582 | ret = CMD_ERROR; | |
2583 | goto end; | |
2584 | } | |
2585 | ||
2586 | /* Command element close */ | |
41493f4a | 2587 | ret = mi_lttng_writer_command_close(the_writer); |
fb14d0d8 JR |
2588 | if (ret) { |
2589 | ret = CMD_ERROR; | |
2590 | goto end; | |
2591 | } | |
2592 | } | |
f3ed775e | 2593 | end: |
fb14d0d8 | 2594 | /* Mi clean-up */ |
41493f4a | 2595 | if (the_writer && mi_lttng_writer_destroy(the_writer)) { |
fb14d0d8 JR |
2596 | /* Preserve original error code */ |
2597 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
2598 | } | |
2599 | ||
0e428499 | 2600 | free(domains); |
41493f4a SM |
2601 | if (the_handle) { |
2602 | lttng_destroy_handle(the_handle); | |
aa5de748 | 2603 | } |
cd80958d | 2604 | |
ca1c3607 | 2605 | poptFreeContext(pc); |
f3ed775e DG |
2606 | return ret; |
2607 | } |