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; |
0e115563 | 30 | static int opt_python; |
9f19cc17 DG |
31 | static char *opt_channel; |
32 | static int opt_domain; | |
f37d259d | 33 | static int opt_fields; |
834978fd | 34 | static int opt_syscall; |
9f19cc17 DG |
35 | |
36 | const char *indent4 = " "; | |
37 | const char *indent6 = " "; | |
38 | const char *indent8 = " "; | |
f3ed775e | 39 | |
4fc83d94 PP |
40 | #ifdef LTTNG_EMBED_HELP |
41 | static const char help_msg[] = | |
42 | #include <lttng-list.1.h> | |
28ab034a | 43 | ; |
4fc83d94 PP |
44 | #endif |
45 | ||
f3ed775e DG |
46 | enum { |
47 | OPT_HELP = 1, | |
eeac7d46 | 48 | OPT_USERSPACE, |
679b4943 | 49 | OPT_LIST_OPTIONS, |
f3ed775e DG |
50 | }; |
51 | ||
41493f4a SM |
52 | static struct lttng_handle *the_handle; |
53 | static struct mi_writer *the_writer; | |
cd80958d | 54 | |
e50e81d3 | 55 | /* Only set when listing a single session. */ |
41493f4a | 56 | static struct lttng_session the_listed_session; |
e50e81d3 | 57 | |
f3ed775e DG |
58 | static struct poptOption long_options[] = { |
59 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
28ab034a JG |
60 | { "help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0 }, |
61 | { "kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0 }, | |
62 | { "jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0 }, | |
63 | { "log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0 }, | |
64 | { "python", 'p', POPT_ARG_VAL, &opt_python, 1, 0, 0 }, | |
65 | { "userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0 }, | |
66 | { "channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0 }, | |
67 | { "domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0 }, | |
68 | { "fields", 'f', POPT_ARG_VAL, &opt_fields, 1, 0, 0 }, | |
69 | { "syscall", 'S', POPT_ARG_VAL, &opt_syscall, 1, 0, 0 }, | |
70 | { "list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL }, | |
71 | { 0, 0, 0, 0, 0, 0, 0 } | |
f3ed775e DG |
72 | }; |
73 | ||
f3ed775e | 74 | /* |
9f19cc17 | 75 | * Get command line from /proc for a specific pid. |
f3ed775e | 76 | * |
9f19cc17 DG |
77 | * On success, return an allocated string pointer to the proc cmdline. |
78 | * On error, return NULL. | |
f3ed775e DG |
79 | */ |
80 | static char *get_cmdline_by_pid(pid_t pid) | |
81 | { | |
82 | int ret; | |
1ad31aec | 83 | FILE *fp = NULL; |
f3ed775e | 84 | char *cmdline = NULL; |
fae9a062 JG |
85 | /* Can't go bigger than /proc/LTTNG_MAX_PID/cmdline */ |
86 | char path[sizeof("/proc//cmdline") + sizeof(LTTNG_MAX_PID_STR) - 1]; | |
f3ed775e DG |
87 | |
88 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); | |
89 | fp = fopen(path, "r"); | |
90 | if (fp == NULL) { | |
91 | goto end; | |
92 | } | |
93 | ||
94 | /* Caller must free() *cmdline */ | |
64803277 | 95 | cmdline = zmalloc<char>(PATH_MAX); |
f6962219 | 96 | if (!cmdline) { |
6f04ed72 | 97 | PERROR("malloc cmdline"); |
f6962219 JG |
98 | goto end; |
99 | } | |
64803277 | 100 | |
f3ed775e | 101 | ret = fread(cmdline, 1, PATH_MAX, fp); |
f40799e8 | 102 | if (ret < 0) { |
6f04ed72 | 103 | PERROR("fread proc list"); |
f40799e8 | 104 | } |
f3ed775e DG |
105 | |
106 | end: | |
1ad31aec DG |
107 | if (fp) { |
108 | fclose(fp); | |
109 | } | |
f3ed775e DG |
110 | return cmdline; |
111 | } | |
b551a063 | 112 | |
28ab034a | 113 | static const char *active_string(int value) |
464dd62d MD |
114 | { |
115 | switch (value) { | |
28ab034a JG |
116 | case 0: |
117 | return "inactive"; | |
118 | case 1: | |
119 | return "active"; | |
120 | case -1: | |
121 | return ""; | |
122 | default: | |
123 | return NULL; | |
464dd62d MD |
124 | } |
125 | } | |
126 | ||
2cbf8fed DG |
127 | static const char *snapshot_string(int value) |
128 | { | |
129 | switch (value) { | |
130 | case 1: | |
131 | return " snapshot"; | |
132 | default: | |
133 | return ""; | |
134 | } | |
135 | } | |
136 | ||
28ab034a | 137 | static const char *enabled_string(int value) |
464dd62d MD |
138 | { |
139 | switch (value) { | |
28ab034a JG |
140 | case 0: |
141 | return " [disabled]"; | |
142 | case 1: | |
143 | return " [enabled]"; | |
144 | case -1: | |
145 | return ""; | |
146 | default: | |
147 | return NULL; | |
464dd62d MD |
148 | } |
149 | } | |
150 | ||
28ab034a | 151 | static const char *safe_string(const char *str) |
fceb65df | 152 | { |
7b4a95b1 | 153 | return str ? str : ""; |
4634f12e JI |
154 | } |
155 | ||
1f0e17de DG |
156 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
157 | { | |
158 | switch (value) { | |
af6bce80 DG |
159 | case LTTNG_EVENT_LOGLEVEL_ALL: |
160 | return ":"; | |
1f0e17de | 161 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
af6bce80 | 162 | return " <="; |
1f0e17de | 163 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
af6bce80 | 164 | return " =="; |
1f0e17de | 165 | default: |
af6bce80 | 166 | return " <<TYPE UNKN>>"; |
1f0e17de DG |
167 | } |
168 | } | |
169 | ||
834978fd DG |
170 | static const char *bitness_event(enum lttng_event_flag flags) |
171 | { | |
172 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_32) { | |
173 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
174 | return " [32/64-bit]"; | |
175 | } else { | |
176 | return " [32-bit]"; | |
177 | } | |
178 | } else if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
179 | return " [64-bit]"; | |
180 | } else { | |
181 | return ""; | |
182 | } | |
183 | } | |
184 | ||
7b4a95b1 PP |
185 | /* |
186 | * Get exclusion names message for a single event. | |
187 | * | |
188 | * Returned pointer must be freed by caller. Returns NULL on error. | |
189 | */ | |
190 | static char *get_exclusion_names_msg(struct lttng_event *event) | |
191 | { | |
192 | int ret; | |
193 | int exclusion_count; | |
194 | char *exclusion_msg = NULL; | |
195 | char *at; | |
7b4a95b1 | 196 | size_t i; |
28ab034a | 197 | const char *const exclusion_fmt = " [exclusions: "; |
19ed7632 | 198 | const size_t exclusion_fmt_len = strlen(exclusion_fmt); |
7b4a95b1 PP |
199 | |
200 | exclusion_count = lttng_event_get_exclusion_name_count(event); | |
201 | if (exclusion_count < 0) { | |
202 | goto end; | |
203 | } else if (exclusion_count == 0) { | |
204 | /* | |
205 | * No exclusions: return copy of empty string so that | |
206 | * it can be freed by caller. | |
207 | */ | |
208 | exclusion_msg = strdup(""); | |
209 | goto end; | |
210 | } | |
211 | ||
212 | /* | |
213 | * exclusion_msg's size is bounded by the exclusion_fmt string, | |
214 | * a comma per entry, the entry count (fixed-size), a closing | |
215 | * bracket, and a trailing \0. | |
216 | */ | |
28ab034a JG |
217 | exclusion_msg = (char *) malloc(exclusion_count + exclusion_count * LTTNG_SYMBOL_NAME_LEN + |
218 | exclusion_fmt_len + 1); | |
7b4a95b1 PP |
219 | if (!exclusion_msg) { |
220 | goto end; | |
221 | } | |
222 | ||
19ed7632 | 223 | at = strcpy(exclusion_msg, exclusion_fmt) + exclusion_fmt_len; |
7b4a95b1 PP |
224 | for (i = 0; i < exclusion_count; ++i) { |
225 | const char *name; | |
226 | ||
227 | /* Append comma between exclusion names */ | |
228 | if (i > 0) { | |
229 | *at = ','; | |
230 | at++; | |
231 | } | |
232 | ||
233 | ret = lttng_event_get_exclusion_name(event, i, &name); | |
234 | if (ret) { | |
235 | /* Prints '?' on local error; should never happen */ | |
236 | *at = '?'; | |
237 | at++; | |
238 | continue; | |
239 | } | |
240 | ||
241 | /* Append exclusion name */ | |
31e40170 | 242 | at += sprintf(at, "%s", name); |
7b4a95b1 PP |
243 | } |
244 | ||
245 | /* This also puts a final '\0' at the end of exclusion_msg */ | |
19ed7632 | 246 | strcpy(at, "]"); |
7b4a95b1 PP |
247 | |
248 | end: | |
249 | return exclusion_msg; | |
250 | } | |
251 | ||
b955b4d4 FD |
252 | static void print_userspace_probe_location(struct lttng_event *event) |
253 | { | |
87597c2c JG |
254 | const struct lttng_userspace_probe_location *location; |
255 | const struct lttng_userspace_probe_location_lookup_method *lookup_method; | |
b955b4d4 FD |
256 | enum lttng_userspace_probe_location_lookup_method_type lookup_type; |
257 | ||
258 | location = lttng_event_get_userspace_probe_location(event); | |
259 | if (!location) { | |
260 | MSG("Event has no userspace probe location"); | |
261 | return; | |
262 | } | |
263 | ||
264 | lookup_method = lttng_userspace_probe_location_get_lookup_method(location); | |
265 | if (!lookup_method) { | |
266 | MSG("Event has no userspace probe location lookup method"); | |
267 | return; | |
268 | } | |
269 | ||
270 | MSG("%s%s (type: userspace-probe)%s", indent6, event->name, enabled_string(event->enabled)); | |
271 | ||
272 | lookup_type = lttng_userspace_probe_location_lookup_method_get_type(lookup_method); | |
273 | ||
274 | switch (lttng_userspace_probe_location_get_type(location)) { | |
275 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_UNKNOWN: | |
276 | MSG("%sType: Unknown", indent8); | |
277 | break; | |
278 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION: | |
279 | { | |
280 | const char *function_name; | |
4df1f2d4 | 281 | char *binary_path; |
b955b4d4 FD |
282 | |
283 | MSG("%sType: Function", indent8); | |
284 | function_name = lttng_userspace_probe_location_function_get_function_name(location); | |
28ab034a JG |
285 | binary_path = realpath( |
286 | lttng_userspace_probe_location_function_get_binary_path(location), NULL); | |
b955b4d4 FD |
287 | |
288 | MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL"); | |
289 | MSG("%sFunction: %s()", indent8, function_name ? function_name : "NULL"); | |
290 | switch (lookup_type) { | |
291 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF: | |
292 | MSG("%sLookup method: ELF", indent8); | |
293 | break; | |
294 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_DEFAULT: | |
295 | MSG("%sLookup method: default", indent8); | |
296 | break; | |
297 | default: | |
298 | MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8); | |
299 | break; | |
300 | } | |
4df1f2d4 JG |
301 | |
302 | free(binary_path); | |
b955b4d4 FD |
303 | break; |
304 | } | |
305 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT: | |
306 | { | |
307 | const char *probe_name, *provider_name; | |
4df1f2d4 | 308 | char *binary_path; |
b955b4d4 FD |
309 | |
310 | MSG("%sType: Tracepoint", indent8); | |
311 | probe_name = lttng_userspace_probe_location_tracepoint_get_probe_name(location); | |
28ab034a JG |
312 | provider_name = |
313 | lttng_userspace_probe_location_tracepoint_get_provider_name(location); | |
314 | binary_path = realpath( | |
315 | lttng_userspace_probe_location_tracepoint_get_binary_path(location), NULL); | |
b955b4d4 | 316 | MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL"); |
28ab034a JG |
317 | MSG("%sTracepoint: %s:%s", |
318 | indent8, | |
319 | provider_name ? provider_name : "NULL", | |
320 | probe_name ? probe_name : "NULL"); | |
b955b4d4 FD |
321 | switch (lookup_type) { |
322 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_TRACEPOINT_SDT: | |
323 | MSG("%sLookup method: SDT", indent8); | |
324 | break; | |
325 | default: | |
326 | MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8); | |
327 | break; | |
328 | } | |
4df1f2d4 JG |
329 | |
330 | free(binary_path); | |
b955b4d4 FD |
331 | break; |
332 | } | |
333 | default: | |
334 | ERR("Invalid probe type encountered"); | |
335 | } | |
336 | } | |
337 | ||
b551a063 DG |
338 | /* |
339 | * Pretty print single event. | |
340 | */ | |
341 | static void print_events(struct lttng_event *event) | |
342 | { | |
4adbcc72 PP |
343 | int ret; |
344 | const char *filter_str; | |
345 | char *filter_msg = NULL; | |
7b4a95b1 | 346 | char *exclusion_msg = NULL; |
4adbcc72 | 347 | |
134e72ed | 348 | ret = lttng_event_get_filter_expression(event, &filter_str); |
4adbcc72 PP |
349 | |
350 | if (ret) { | |
351 | filter_msg = strdup(" [failed to retrieve filter]"); | |
352 | } else if (filter_str) { | |
411b3154 SM |
353 | if (asprintf(&filter_msg, " [filter: '%s']", filter_str) == -1) { |
354 | filter_msg = NULL; | |
4adbcc72 PP |
355 | } |
356 | } | |
357 | ||
7b4a95b1 PP |
358 | exclusion_msg = get_exclusion_names_msg(event); |
359 | if (!exclusion_msg) { | |
360 | exclusion_msg = strdup(" [failed to retrieve exclusions]"); | |
361 | } | |
362 | ||
b551a063 DG |
363 | switch (event->type) { |
364 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 365 | { |
8b703175 | 366 | if (event->loglevel != -1) { |
af6bce80 | 367 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
28ab034a JG |
368 | indent6, |
369 | event->name, | |
370 | logleveltype_string(event->loglevel_type), | |
371 | mi_lttng_loglevel_string(event->loglevel, the_handle->domain.type), | |
372 | event->loglevel, | |
373 | enabled_string(event->enabled), | |
374 | safe_string(exclusion_msg), | |
375 | safe_string(filter_msg)); | |
8b703175 | 376 | } else { |
4634f12e | 377 | MSG("%s%s (type: tracepoint)%s%s%s", |
28ab034a JG |
378 | indent6, |
379 | event->name, | |
380 | enabled_string(event->enabled), | |
381 | safe_string(exclusion_msg), | |
382 | safe_string(filter_msg)); | |
8b703175 | 383 | } |
b551a063 | 384 | break; |
e4baff1e | 385 | } |
1896972b | 386 | case LTTNG_EVENT_FUNCTION: |
28ab034a JG |
387 | MSG("%s%s (type: function)%s%s", |
388 | indent6, | |
389 | event->name, | |
390 | enabled_string(event->enabled), | |
391 | safe_string(filter_msg)); | |
1896972b DG |
392 | if (event->attr.probe.addr != 0) { |
393 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
394 | } else { | |
395 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
396 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
397 | } | |
398 | break; | |
b551a063 | 399 | case LTTNG_EVENT_PROBE: |
28ab034a JG |
400 | MSG("%s%s (type: probe)%s%s", |
401 | indent6, | |
402 | event->name, | |
403 | enabled_string(event->enabled), | |
404 | safe_string(filter_msg)); | |
b551a063 DG |
405 | if (event->attr.probe.addr != 0) { |
406 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
407 | } else { | |
408 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
409 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
410 | } | |
411 | break; | |
b955b4d4 FD |
412 | case LTTNG_EVENT_USERSPACE_PROBE: |
413 | print_userspace_probe_location(event); | |
414 | break; | |
b551a063 | 415 | case LTTNG_EVENT_FUNCTION_ENTRY: |
28ab034a JG |
416 | MSG("%s%s (type: function)%s%s", |
417 | indent6, | |
418 | event->name, | |
419 | enabled_string(event->enabled), | |
420 | safe_string(filter_msg)); | |
b551a063 DG |
421 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
422 | break; | |
423 | case LTTNG_EVENT_SYSCALL: | |
28ab034a JG |
424 | MSG("%s%s%s%s%s%s", |
425 | indent6, | |
426 | event->name, | |
427 | (opt_syscall ? "" : " (type:syscall)"), | |
428 | enabled_string(event->enabled), | |
429 | bitness_event(event->flags), | |
430 | safe_string(filter_msg)); | |
b551a063 DG |
431 | break; |
432 | case LTTNG_EVENT_NOOP: | |
28ab034a JG |
433 | MSG("%s (type: noop)%s%s", |
434 | indent6, | |
435 | enabled_string(event->enabled), | |
436 | safe_string(filter_msg)); | |
b551a063 DG |
437 | break; |
438 | case LTTNG_EVENT_ALL: | |
410b78a0 FD |
439 | /* Fall-through. */ |
440 | default: | |
b551a063 | 441 | /* We should never have "all" events in list. */ |
a0377dfe | 442 | abort(); |
b551a063 DG |
443 | break; |
444 | } | |
4adbcc72 PP |
445 | |
446 | free(filter_msg); | |
7b4a95b1 | 447 | free(exclusion_msg); |
b551a063 DG |
448 | } |
449 | ||
f37d259d MD |
450 | static const char *field_type(struct lttng_event_field *field) |
451 | { | |
28ab034a | 452 | switch (field->type) { |
f37d259d MD |
453 | case LTTNG_EVENT_FIELD_INTEGER: |
454 | return "integer"; | |
455 | case LTTNG_EVENT_FIELD_ENUM: | |
456 | return "enum"; | |
457 | case LTTNG_EVENT_FIELD_FLOAT: | |
458 | return "float"; | |
459 | case LTTNG_EVENT_FIELD_STRING: | |
460 | return "string"; | |
461 | case LTTNG_EVENT_FIELD_OTHER: | |
28ab034a | 462 | default: /* fall-through */ |
f37d259d MD |
463 | return "unknown"; |
464 | } | |
465 | } | |
466 | ||
467 | /* | |
468 | * Pretty print single event fields. | |
469 | */ | |
470 | static void print_event_field(struct lttng_event_field *field) | |
471 | { | |
472 | if (!field->field_name[0]) { | |
473 | return; | |
474 | } | |
28ab034a JG |
475 | MSG("%sfield: %s (%s)%s", |
476 | indent8, | |
477 | field->field_name, | |
478 | field_type(field), | |
479 | field->nowrite ? " [no write]" : ""); | |
f37d259d MD |
480 | } |
481 | ||
fb14d0d8 JR |
482 | /* |
483 | * Machine interface | |
484 | * Jul and ust event listing | |
485 | */ | |
28ab034a JG |
486 | static int |
487 | mi_list_agent_ust_events(struct lttng_event *events, int count, struct lttng_domain *domain) | |
fb14d0d8 JR |
488 | { |
489 | int ret, i; | |
490 | pid_t cur_pid = 0; | |
491 | char *cmdline = NULL; | |
492 | int pid_element_open = 0; | |
493 | ||
494 | /* Open domains element */ | |
41493f4a | 495 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
496 | if (ret) { |
497 | goto end; | |
498 | } | |
499 | ||
500 | /* Write domain */ | |
41493f4a | 501 | ret = mi_lttng_domain(the_writer, domain, 1); |
fb14d0d8 JR |
502 | if (ret) { |
503 | goto end; | |
504 | } | |
505 | ||
bf239d4c | 506 | /* Open pids element element */ |
41493f4a | 507 | ret = mi_lttng_pids_open(the_writer); |
fb14d0d8 JR |
508 | if (ret) { |
509 | goto end; | |
510 | } | |
511 | ||
512 | for (i = 0; i < count; i++) { | |
513 | if (cur_pid != events[i].pid) { | |
514 | if (pid_element_open) { | |
2e9aecb9 | 515 | /* Close the previous events and pid element */ |
28ab034a | 516 | ret = mi_lttng_close_multi_element(the_writer, 2); |
fb14d0d8 JR |
517 | if (ret) { |
518 | goto end; | |
519 | } | |
520 | pid_element_open = 0; | |
521 | } | |
522 | ||
523 | cur_pid = events[i].pid; | |
524 | cmdline = get_cmdline_by_pid(cur_pid); | |
525 | if (!cmdline) { | |
526 | ret = CMD_ERROR; | |
527 | goto end; | |
528 | } | |
529 | ||
530 | if (!pid_element_open) { | |
531 | /* Open and write a pid element */ | |
28ab034a | 532 | ret = mi_lttng_pid(the_writer, cur_pid, cmdline, 1); |
fb14d0d8 JR |
533 | if (ret) { |
534 | goto error; | |
535 | } | |
536 | ||
537 | /* Open events element */ | |
41493f4a | 538 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 JR |
539 | if (ret) { |
540 | goto error; | |
541 | } | |
542 | ||
543 | pid_element_open = 1; | |
544 | } | |
545 | free(cmdline); | |
546 | } | |
547 | ||
548 | /* Write an event */ | |
28ab034a | 549 | ret = mi_lttng_event(the_writer, &events[i], 0, the_handle->domain.type); |
fb14d0d8 JR |
550 | if (ret) { |
551 | goto end; | |
552 | } | |
553 | } | |
554 | ||
bf239d4c | 555 | /* Close pids */ |
41493f4a | 556 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
557 | if (ret) { |
558 | goto end; | |
559 | } | |
560 | ||
561 | /* Close domain, domains */ | |
41493f4a | 562 | ret = mi_lttng_close_multi_element(the_writer, 2); |
fb14d0d8 JR |
563 | end: |
564 | return ret; | |
565 | error: | |
566 | free(cmdline); | |
567 | return ret; | |
568 | } | |
569 | ||
5cdb6027 | 570 | static int list_agent_events(void) |
3c6a091f | 571 | { |
fb14d0d8 | 572 | int i, size, ret = CMD_SUCCESS; |
3c6a091f | 573 | struct lttng_domain domain; |
26c610c9 | 574 | struct lttng_handle *handle = NULL; |
469b972b | 575 | struct lttng_event *event_list = NULL; |
3c6a091f DG |
576 | pid_t cur_pid = 0; |
577 | char *cmdline = NULL; | |
5cdb6027 | 578 | const char *agent_domain_str; |
3c6a091f DG |
579 | |
580 | memset(&domain, 0, sizeof(domain)); | |
5cdb6027 DG |
581 | if (opt_jul) { |
582 | domain.type = LTTNG_DOMAIN_JUL; | |
583 | } else if (opt_log4j) { | |
584 | domain.type = LTTNG_DOMAIN_LOG4J; | |
0e115563 DG |
585 | } else if (opt_python) { |
586 | domain.type = LTTNG_DOMAIN_PYTHON; | |
26c610c9 JG |
587 | } else { |
588 | ERR("Invalid agent domain selected."); | |
589 | ret = CMD_ERROR; | |
590 | goto error; | |
5cdb6027 DG |
591 | } |
592 | ||
1004b719 | 593 | agent_domain_str = lttng_domain_type_str(domain.type); |
5cdb6027 DG |
594 | |
595 | DBG("Getting %s tracing events", agent_domain_str); | |
3c6a091f DG |
596 | |
597 | handle = lttng_create_handle(NULL, &domain); | |
598 | if (handle == NULL) { | |
fb14d0d8 JR |
599 | ret = CMD_ERROR; |
600 | goto end; | |
3c6a091f DG |
601 | } |
602 | ||
603 | size = lttng_list_tracepoints(handle, &event_list); | |
604 | if (size < 0) { | |
28ab034a | 605 | ERR("Unable to list %s events: %s", agent_domain_str, lttng_strerror(size)); |
fb14d0d8 JR |
606 | ret = CMD_ERROR; |
607 | goto end; | |
3c6a091f DG |
608 | } |
609 | ||
fb14d0d8 JR |
610 | if (lttng_opt_mi) { |
611 | /* Mi print */ | |
5cdb6027 | 612 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
613 | if (ret) { |
614 | ret = CMD_ERROR; | |
615 | goto error; | |
3c6a091f | 616 | } |
fb14d0d8 JR |
617 | } else { |
618 | /* Pretty print */ | |
28ab034a | 619 | MSG("%s events (Logger name):\n-------------------------", agent_domain_str); |
3c6a091f | 620 | |
fb14d0d8 JR |
621 | if (size == 0) { |
622 | MSG("None"); | |
623 | } | |
3c6a091f | 624 | |
fb14d0d8 JR |
625 | for (i = 0; i < size; i++) { |
626 | if (cur_pid != event_list[i].pid) { | |
627 | cur_pid = event_list[i].pid; | |
628 | cmdline = get_cmdline_by_pid(cur_pid); | |
629 | if (cmdline == NULL) { | |
630 | ret = CMD_ERROR; | |
631 | goto error; | |
632 | } | |
633 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
634 | free(cmdline); | |
635 | } | |
636 | MSG("%s- %s", indent6, event_list[i].name); | |
637 | } | |
3c6a091f | 638 | |
fb14d0d8 JR |
639 | MSG(""); |
640 | } | |
3c6a091f DG |
641 | |
642 | error: | |
fb14d0d8 JR |
643 | free(event_list); |
644 | end: | |
3c6a091f | 645 | lttng_destroy_handle(handle); |
fb14d0d8 | 646 | return ret; |
3c6a091f DG |
647 | } |
648 | ||
b551a063 DG |
649 | /* |
650 | * Ask session daemon for all user space tracepoints available. | |
651 | */ | |
652 | static int list_ust_events(void) | |
653 | { | |
fb14d0d8 | 654 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
655 | struct lttng_domain domain; |
656 | struct lttng_handle *handle; | |
bec97646 | 657 | struct lttng_event *event_list = NULL; |
b551a063 | 658 | pid_t cur_pid = 0; |
ea5cbc00 | 659 | char *cmdline = NULL; |
b551a063 | 660 | |
441c16a7 MD |
661 | memset(&domain, 0, sizeof(domain)); |
662 | ||
b551a063 DG |
663 | DBG("Getting UST tracing events"); |
664 | ||
665 | domain.type = LTTNG_DOMAIN_UST; | |
666 | ||
667 | handle = lttng_create_handle(NULL, &domain); | |
668 | if (handle == NULL) { | |
fb14d0d8 JR |
669 | ret = CMD_ERROR; |
670 | goto end; | |
b551a063 DG |
671 | } |
672 | ||
673 | size = lttng_list_tracepoints(handle, &event_list); | |
674 | if (size < 0) { | |
60e835ca | 675 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
fb14d0d8 JR |
676 | ret = CMD_ERROR; |
677 | goto error; | |
b551a063 DG |
678 | } |
679 | ||
fb14d0d8 JR |
680 | if (lttng_opt_mi) { |
681 | /* Mi print */ | |
5cdb6027 | 682 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
683 | } else { |
684 | /* Pretty print */ | |
685 | MSG("UST events:\n-------------"); | |
686 | ||
687 | if (size == 0) { | |
688 | MSG("None"); | |
689 | } | |
690 | ||
691 | for (i = 0; i < size; i++) { | |
692 | if (cur_pid != event_list[i].pid) { | |
693 | cur_pid = event_list[i].pid; | |
694 | cmdline = get_cmdline_by_pid(cur_pid); | |
695 | if (cmdline == NULL) { | |
696 | ret = CMD_ERROR; | |
697 | goto error; | |
698 | } | |
699 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
700 | free(cmdline); | |
701 | } | |
702 | print_events(&event_list[i]); | |
703 | } | |
b551a063 | 704 | |
fb14d0d8 | 705 | MSG(""); |
b551a063 DG |
706 | } |
707 | ||
fb14d0d8 JR |
708 | error: |
709 | free(event_list); | |
710 | end: | |
711 | lttng_destroy_handle(handle); | |
712 | return ret; | |
713 | } | |
714 | ||
715 | /* | |
716 | * Machine interface | |
717 | * List all ust event with their fields | |
718 | */ | |
28ab034a JG |
719 | static int |
720 | mi_list_ust_event_fields(struct lttng_event_field *fields, int count, struct lttng_domain *domain) | |
fb14d0d8 JR |
721 | { |
722 | int ret, i; | |
723 | pid_t cur_pid = 0; | |
724 | char *cmdline = NULL; | |
725 | int pid_element_open = 0; | |
726 | int event_element_open = 0; | |
727 | struct lttng_event cur_event; | |
728 | ||
d113fbc8 JR |
729 | memset(&cur_event, 0, sizeof(cur_event)); |
730 | ||
fb14d0d8 | 731 | /* Open domains element */ |
41493f4a | 732 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
733 | if (ret) { |
734 | goto end; | |
735 | } | |
736 | ||
737 | /* Write domain */ | |
41493f4a | 738 | ret = mi_lttng_domain(the_writer, domain, 1); |
fb14d0d8 JR |
739 | if (ret) { |
740 | goto end; | |
741 | } | |
742 | ||
bf239d4c | 743 | /* Open pids element */ |
41493f4a | 744 | ret = mi_lttng_pids_open(the_writer); |
fb14d0d8 JR |
745 | if (ret) { |
746 | goto end; | |
747 | } | |
748 | ||
749 | for (i = 0; i < count; i++) { | |
750 | if (cur_pid != fields[i].event.pid) { | |
751 | if (pid_element_open) { | |
752 | if (event_element_open) { | |
485ca16f | 753 | /* Close the previous field element and event. */ |
28ab034a | 754 | ret = mi_lttng_close_multi_element(the_writer, 2); |
fb14d0d8 JR |
755 | if (ret) { |
756 | goto end; | |
757 | } | |
758 | event_element_open = 0; | |
759 | } | |
760 | /* Close the previous events, pid element */ | |
28ab034a | 761 | ret = mi_lttng_close_multi_element(the_writer, 2); |
fb14d0d8 JR |
762 | if (ret) { |
763 | goto end; | |
764 | } | |
765 | pid_element_open = 0; | |
766 | } | |
767 | ||
768 | cur_pid = fields[i].event.pid; | |
ea5cbc00 | 769 | cmdline = get_cmdline_by_pid(cur_pid); |
fb14d0d8 | 770 | if (!pid_element_open) { |
bf239d4c | 771 | /* Open and write a pid element */ |
28ab034a | 772 | ret = mi_lttng_pid(the_writer, cur_pid, cmdline, 1); |
fb14d0d8 JR |
773 | if (ret) { |
774 | goto error; | |
775 | } | |
776 | ||
777 | /* Open events element */ | |
41493f4a | 778 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 JR |
779 | if (ret) { |
780 | goto error; | |
781 | } | |
782 | pid_element_open = 1; | |
783 | } | |
ea5cbc00 | 784 | free(cmdline); |
fb14d0d8 JR |
785 | /* Wipe current event since we are about to print a new PID. */ |
786 | memset(&cur_event, 0, sizeof(cur_event)); | |
b551a063 | 787 | } |
b551a063 | 788 | |
fb14d0d8 JR |
789 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
790 | if (event_element_open) { | |
791 | /* Close the previous fields element and the previous event */ | |
28ab034a | 792 | ret = mi_lttng_close_multi_element(the_writer, 2); |
fb14d0d8 JR |
793 | if (ret) { |
794 | goto end; | |
795 | } | |
796 | event_element_open = 0; | |
797 | } | |
798 | ||
28ab034a | 799 | memcpy(&cur_event, &fields[i].event, sizeof(cur_event)); |
b551a063 | 800 | |
fb14d0d8 JR |
801 | if (!event_element_open) { |
802 | /* Open and write the event */ | |
28ab034a JG |
803 | ret = mi_lttng_event( |
804 | the_writer, &cur_event, 1, the_handle->domain.type); | |
fb14d0d8 JR |
805 | if (ret) { |
806 | goto end; | |
807 | } | |
808 | ||
809 | /* Open a fields element */ | |
41493f4a | 810 | ret = mi_lttng_event_fields_open(the_writer); |
fb14d0d8 JR |
811 | if (ret) { |
812 | goto end; | |
813 | } | |
814 | event_element_open = 1; | |
815 | } | |
816 | } | |
b551a063 | 817 | |
fb14d0d8 | 818 | /* Print the event_field */ |
41493f4a | 819 | ret = mi_lttng_event_field(the_writer, &fields[i]); |
fb14d0d8 JR |
820 | if (ret) { |
821 | goto end; | |
822 | } | |
823 | } | |
b551a063 | 824 | |
83d6d6c4 | 825 | /* Close pids, domain, domains */ |
41493f4a | 826 | ret = mi_lttng_close_multi_element(the_writer, 3); |
fb14d0d8 JR |
827 | end: |
828 | return ret; | |
b551a063 | 829 | error: |
fb14d0d8 JR |
830 | free(cmdline); |
831 | return ret; | |
b551a063 | 832 | } |
f3ed775e | 833 | |
f37d259d MD |
834 | /* |
835 | * Ask session daemon for all user space tracepoint fields available. | |
836 | */ | |
837 | static int list_ust_event_fields(void) | |
838 | { | |
fb14d0d8 | 839 | int i, size, ret = CMD_SUCCESS; |
f37d259d MD |
840 | struct lttng_domain domain; |
841 | struct lttng_handle *handle; | |
842 | struct lttng_event_field *event_field_list; | |
843 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
844 | char *cmdline = NULL; |
845 | ||
f37d259d MD |
846 | struct lttng_event cur_event; |
847 | ||
848 | memset(&domain, 0, sizeof(domain)); | |
849 | memset(&cur_event, 0, sizeof(cur_event)); | |
850 | ||
851 | DBG("Getting UST tracing event fields"); | |
852 | ||
853 | domain.type = LTTNG_DOMAIN_UST; | |
854 | ||
855 | handle = lttng_create_handle(NULL, &domain); | |
856 | if (handle == NULL) { | |
fb14d0d8 JR |
857 | ret = CMD_ERROR; |
858 | goto end; | |
f37d259d MD |
859 | } |
860 | ||
861 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
862 | if (size < 0) { | |
60e835ca | 863 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
fb14d0d8 JR |
864 | ret = CMD_ERROR; |
865 | goto end; | |
f37d259d MD |
866 | } |
867 | ||
fb14d0d8 JR |
868 | if (lttng_opt_mi) { |
869 | /* Mi print */ | |
870 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); | |
871 | if (ret) { | |
872 | ret = CMD_ERROR; | |
873 | goto error; | |
874 | } | |
875 | } else { | |
876 | /* Pretty print */ | |
877 | MSG("UST events:\n-------------"); | |
f37d259d | 878 | |
fb14d0d8 JR |
879 | if (size == 0) { |
880 | MSG("None"); | |
f37d259d | 881 | } |
fb14d0d8 JR |
882 | |
883 | for (i = 0; i < size; i++) { | |
884 | if (cur_pid != event_field_list[i].event.pid) { | |
885 | cur_pid = event_field_list[i].event.pid; | |
886 | cmdline = get_cmdline_by_pid(cur_pid); | |
887 | if (cmdline == NULL) { | |
888 | ret = CMD_ERROR; | |
889 | goto error; | |
890 | } | |
891 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
892 | free(cmdline); | |
893 | /* Wipe current event since we are about to print a new PID. */ | |
894 | memset(&cur_event, 0, sizeof(cur_event)); | |
895 | } | |
896 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
897 | print_events(&event_field_list[i].event); | |
28ab034a | 898 | memcpy(&cur_event, &event_field_list[i].event, sizeof(cur_event)); |
fb14d0d8 JR |
899 | } |
900 | print_event_field(&event_field_list[i]); | |
f37d259d | 901 | } |
f37d259d | 902 | |
fb14d0d8 JR |
903 | MSG(""); |
904 | } | |
f37d259d | 905 | |
fb14d0d8 | 906 | error: |
f37d259d | 907 | free(event_field_list); |
fb14d0d8 | 908 | end: |
f37d259d | 909 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
910 | return ret; |
911 | } | |
f37d259d | 912 | |
fb14d0d8 JR |
913 | /* |
914 | * Machine interface | |
915 | * Print a list of kernel events | |
916 | */ | |
28ab034a | 917 | static int mi_list_kernel_events(struct lttng_event *events, int count, struct lttng_domain *domain) |
fb14d0d8 JR |
918 | { |
919 | int ret, i; | |
f37d259d | 920 | |
fb14d0d8 | 921 | /* Open domains element */ |
41493f4a | 922 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
923 | if (ret) { |
924 | goto end; | |
925 | } | |
926 | ||
927 | /* Write domain */ | |
41493f4a | 928 | ret = mi_lttng_domain(the_writer, domain, 1); |
fb14d0d8 JR |
929 | if (ret) { |
930 | goto end; | |
931 | } | |
932 | ||
933 | /* Open events */ | |
41493f4a | 934 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 JR |
935 | if (ret) { |
936 | goto end; | |
937 | } | |
938 | ||
939 | for (i = 0; i < count; i++) { | |
28ab034a | 940 | ret = mi_lttng_event(the_writer, &events[i], 0, the_handle->domain.type); |
fb14d0d8 JR |
941 | if (ret) { |
942 | goto end; | |
943 | } | |
944 | } | |
945 | ||
946 | /* close events, domain and domains */ | |
41493f4a | 947 | ret = mi_lttng_close_multi_element(the_writer, 3); |
fb14d0d8 JR |
948 | if (ret) { |
949 | goto end; | |
950 | } | |
951 | ||
952 | end: | |
953 | return ret; | |
f37d259d MD |
954 | } |
955 | ||
f3ed775e | 956 | /* |
fb14d0d8 | 957 | * Ask for all trace events in the kernel |
f3ed775e | 958 | */ |
9f19cc17 | 959 | static int list_kernel_events(void) |
f3ed775e | 960 | { |
fb14d0d8 | 961 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
962 | struct lttng_domain domain; |
963 | struct lttng_handle *handle; | |
9f19cc17 | 964 | struct lttng_event *event_list; |
f3ed775e | 965 | |
441c16a7 MD |
966 | memset(&domain, 0, sizeof(domain)); |
967 | ||
b551a063 DG |
968 | DBG("Getting kernel tracing events"); |
969 | ||
970 | domain.type = LTTNG_DOMAIN_KERNEL; | |
971 | ||
972 | handle = lttng_create_handle(NULL, &domain); | |
973 | if (handle == NULL) { | |
fb14d0d8 | 974 | ret = CMD_ERROR; |
b551a063 DG |
975 | goto error; |
976 | } | |
f3ed775e | 977 | |
cd80958d | 978 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 979 | if (size < 0) { |
60e835ca | 980 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 981 | lttng_destroy_handle(handle); |
fb14d0d8 | 982 | return CMD_ERROR; |
f3ed775e DG |
983 | } |
984 | ||
fb14d0d8 JR |
985 | if (lttng_opt_mi) { |
986 | /* Mi print */ | |
987 | ret = mi_list_kernel_events(event_list, size, &domain); | |
988 | if (ret) { | |
989 | ret = CMD_ERROR; | |
990 | goto end; | |
991 | } | |
992 | } else { | |
993 | MSG("Kernel events:\n-------------"); | |
f3ed775e | 994 | |
fb14d0d8 JR |
995 | for (i = 0; i < size; i++) { |
996 | print_events(&event_list[i]); | |
997 | } | |
f3ed775e | 998 | |
fb14d0d8 JR |
999 | MSG(""); |
1000 | } | |
b551a063 | 1001 | |
fb14d0d8 | 1002 | end: |
f3ed775e DG |
1003 | free(event_list); |
1004 | ||
ef021732 | 1005 | lttng_destroy_handle(handle); |
fb14d0d8 | 1006 | return ret; |
b551a063 DG |
1007 | |
1008 | error: | |
ef021732 | 1009 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
1010 | return ret; |
1011 | } | |
1012 | ||
834978fd DG |
1013 | /* |
1014 | * Machine interface | |
1015 | * Print a list of system calls. | |
1016 | */ | |
1017 | static int mi_list_syscalls(struct lttng_event *events, int count) | |
1018 | { | |
1019 | int ret, i; | |
1020 | ||
1021 | /* Open events */ | |
41493f4a | 1022 | ret = mi_lttng_events_open(the_writer); |
834978fd DG |
1023 | if (ret) { |
1024 | goto end; | |
1025 | } | |
1026 | ||
1027 | for (i = 0; i < count; i++) { | |
28ab034a | 1028 | ret = mi_lttng_event(the_writer, &events[i], 0, the_handle->domain.type); |
834978fd DG |
1029 | if (ret) { |
1030 | goto end; | |
1031 | } | |
1032 | } | |
1033 | ||
1034 | /* Close events. */ | |
41493f4a | 1035 | ret = mi_lttng_writer_close_element(the_writer); |
834978fd DG |
1036 | if (ret) { |
1037 | goto end; | |
1038 | } | |
1039 | ||
1040 | end: | |
1041 | return ret; | |
1042 | } | |
1043 | ||
1044 | /* | |
1045 | * Ask for kernel system calls. | |
1046 | */ | |
1047 | static int list_syscalls(void) | |
1048 | { | |
1049 | int i, size, ret = CMD_SUCCESS; | |
1050 | struct lttng_event *event_list; | |
1051 | ||
1052 | DBG("Getting kernel system call events"); | |
1053 | ||
1054 | size = lttng_list_syscalls(&event_list); | |
1055 | if (size < 0) { | |
1056 | ERR("Unable to list system calls: %s", lttng_strerror(size)); | |
1057 | ret = CMD_ERROR; | |
1058 | goto error; | |
1059 | } | |
1060 | ||
1061 | if (lttng_opt_mi) { | |
1062 | /* Mi print */ | |
1063 | ret = mi_list_syscalls(event_list, size); | |
1064 | if (ret) { | |
1065 | ret = CMD_ERROR; | |
1066 | goto end; | |
1067 | } | |
1068 | } else { | |
1069 | MSG("System calls:\n-------------"); | |
1070 | ||
1071 | for (i = 0; i < size; i++) { | |
1072 | print_events(&event_list[i]); | |
1073 | } | |
1074 | ||
1075 | MSG(""); | |
1076 | } | |
1077 | ||
1078 | end: | |
1079 | free(event_list); | |
1080 | return ret; | |
1081 | ||
1082 | error: | |
1083 | return ret; | |
1084 | } | |
1085 | ||
fb14d0d8 JR |
1086 | /* |
1087 | * Machine Interface | |
5cdb6027 | 1088 | * Print a list of agent events |
fb14d0d8 | 1089 | */ |
5cdb6027 | 1090 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
fb14d0d8 JR |
1091 | { |
1092 | int ret, i; | |
1093 | ||
1094 | /* Open events element */ | |
41493f4a | 1095 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 JR |
1096 | if (ret) { |
1097 | goto end; | |
1098 | } | |
1099 | ||
1100 | for (i = 0; i < count; i++) { | |
28ab034a | 1101 | ret = mi_lttng_event(the_writer, &events[i], 0, the_handle->domain.type); |
fb14d0d8 JR |
1102 | if (ret) { |
1103 | goto end; | |
1104 | } | |
1105 | } | |
1106 | ||
1107 | /* Close events element */ | |
41493f4a | 1108 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
1109 | |
1110 | end: | |
1111 | return ret; | |
f3ed775e DG |
1112 | } |
1113 | ||
3c6a091f | 1114 | /* |
5cdb6027 | 1115 | * List agent events for a specific session using the handle. |
3c6a091f DG |
1116 | * |
1117 | * Return CMD_SUCCESS on success else a negative value. | |
1118 | */ | |
5cdb6027 | 1119 | static int list_session_agent_events(void) |
3c6a091f | 1120 | { |
fb14d0d8 | 1121 | int ret = CMD_SUCCESS, count, i; |
3c6a091f DG |
1122 | struct lttng_event *events = NULL; |
1123 | ||
41493f4a | 1124 | count = lttng_list_events(the_handle, "", &events); |
3c6a091f | 1125 | if (count < 0) { |
fb14d0d8 JR |
1126 | ret = CMD_ERROR; |
1127 | ERR("%s", lttng_strerror(count)); | |
3c6a091f DG |
1128 | goto error; |
1129 | } | |
1130 | ||
fb14d0d8 JR |
1131 | if (lttng_opt_mi) { |
1132 | /* Mi print */ | |
5cdb6027 | 1133 | ret = mi_list_session_agent_events(events, count); |
fb14d0d8 JR |
1134 | if (ret) { |
1135 | ret = CMD_ERROR; | |
1136 | goto end; | |
1137 | } | |
1138 | } else { | |
1139 | /* Pretty print */ | |
1140 | MSG("Events (Logger name):\n---------------------"); | |
1141 | if (count == 0) { | |
1142 | MSG("%sNone\n", indent6); | |
1143 | goto end; | |
1144 | } | |
1145 | ||
1146 | for (i = 0; i < count; i++) { | |
9a890ce8 JG |
1147 | const char *filter_str; |
1148 | char *filter_msg = NULL; | |
1149 | struct lttng_event *event = &events[i]; | |
1150 | ||
28ab034a | 1151 | ret = lttng_event_get_filter_expression(event, &filter_str); |
9a890ce8 JG |
1152 | if (ret) { |
1153 | filter_msg = strdup(" [failed to retrieve filter]"); | |
1154 | } else if (filter_str) { | |
411b3154 SM |
1155 | if (asprintf(&filter_msg, " [filter: '%s']", filter_str) == -1) { |
1156 | filter_msg = NULL; | |
9a890ce8 JG |
1157 | } |
1158 | } | |
1159 | ||
28ab034a JG |
1160 | if (event->loglevel_type != LTTNG_EVENT_LOGLEVEL_ALL) { |
1161 | MSG("%s- %s%s (loglevel%s %s)%s", | |
1162 | indent4, | |
1163 | event->name, | |
1164 | enabled_string(event->enabled), | |
1165 | logleveltype_string(event->loglevel_type), | |
1166 | mi_lttng_loglevel_string(event->loglevel, | |
1167 | the_handle->domain.type), | |
1168 | safe_string(filter_msg)); | |
755066c2 | 1169 | } else { |
28ab034a JG |
1170 | MSG("%s- %s%s%s", |
1171 | indent4, | |
1172 | event->name, | |
1173 | enabled_string(event->enabled), | |
1174 | safe_string(filter_msg)); | |
755066c2 | 1175 | } |
9a890ce8 | 1176 | free(filter_msg); |
fb14d0d8 JR |
1177 | } |
1178 | ||
1179 | MSG(""); | |
1180 | } | |
1181 | ||
1182 | end: | |
1183 | free(events); | |
1184 | error: | |
1185 | return ret; | |
1186 | } | |
1187 | ||
1188 | /* | |
1189 | * Machine interface | |
1190 | * print a list of event | |
1191 | */ | |
1192 | static int mi_list_events(struct lttng_event *events, int count) | |
1193 | { | |
1194 | int ret, i; | |
1195 | ||
1196 | /* Open events element */ | |
41493f4a | 1197 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 | 1198 | if (ret) { |
3c6a091f DG |
1199 | goto end; |
1200 | } | |
1201 | ||
1202 | for (i = 0; i < count; i++) { | |
28ab034a | 1203 | ret = mi_lttng_event(the_writer, &events[i], 0, the_handle->domain.type); |
fb14d0d8 JR |
1204 | if (ret) { |
1205 | goto end; | |
1206 | } | |
3c6a091f DG |
1207 | } |
1208 | ||
fb14d0d8 | 1209 | /* Close events element */ |
41493f4a | 1210 | ret = mi_lttng_writer_close_element(the_writer); |
3c6a091f DG |
1211 | |
1212 | end: | |
3c6a091f DG |
1213 | return ret; |
1214 | } | |
1215 | ||
f3ed775e | 1216 | /* |
9f19cc17 | 1217 | * List events of channel of session and domain. |
f3ed775e | 1218 | */ |
cd80958d | 1219 | static int list_events(const char *channel_name) |
f3ed775e | 1220 | { |
fb14d0d8 | 1221 | int ret = CMD_SUCCESS, count, i; |
9f19cc17 | 1222 | struct lttng_event *events = NULL; |
f3ed775e | 1223 | |
41493f4a | 1224 | count = lttng_list_events(the_handle, channel_name, &events); |
f3ed775e | 1225 | if (count < 0) { |
fb14d0d8 JR |
1226 | ret = CMD_ERROR; |
1227 | ERR("%s", lttng_strerror(count)); | |
f3ed775e DG |
1228 | goto error; |
1229 | } | |
1230 | ||
fb14d0d8 JR |
1231 | if (lttng_opt_mi) { |
1232 | /* Mi print */ | |
1233 | ret = mi_list_events(events, count); | |
1234 | if (ret) { | |
1235 | ret = CMD_ERROR; | |
1236 | goto end; | |
1237 | } | |
1238 | } else { | |
1239 | /* Pretty print */ | |
484b2a0c | 1240 | MSG("\n%sRecording event rules:", indent4); |
fb14d0d8 JR |
1241 | if (count == 0) { |
1242 | MSG("%sNone\n", indent6); | |
1243 | goto end; | |
1244 | } | |
f3ed775e | 1245 | |
fb14d0d8 JR |
1246 | for (i = 0; i < count; i++) { |
1247 | print_events(&events[i]); | |
1248 | } | |
f3ed775e | 1249 | |
fb14d0d8 JR |
1250 | MSG(""); |
1251 | } | |
9f19cc17 | 1252 | end: |
0e428499 | 1253 | free(events); |
f3ed775e DG |
1254 | error: |
1255 | return ret; | |
1256 | } | |
1257 | ||
28ab034a | 1258 | static void print_timer(const char *timer_name, uint32_t space_count, int64_t value) |
f3b3a67b JG |
1259 | { |
1260 | uint32_t i; | |
1261 | ||
1262 | _MSG("%s%s:", indent6, timer_name); | |
1263 | for (i = 0; i < space_count; i++) { | |
1264 | _MSG(" "); | |
1265 | } | |
1266 | ||
1267 | if (value) { | |
2a1135fa | 1268 | MSG("%" PRId64 " %s", value, USEC_UNIT); |
f3b3a67b JG |
1269 | } else { |
1270 | MSG("inactive"); | |
1271 | } | |
1272 | } | |
1273 | ||
f3ed775e | 1274 | /* |
9f19cc17 DG |
1275 | * Pretty print channel |
1276 | */ | |
1277 | static void print_channel(struct lttng_channel *channel) | |
1278 | { | |
fb83fe64 | 1279 | int ret; |
cf0bcb51 | 1280 | uint64_t discarded_events, lost_packets, monitor_timer_interval; |
491d1539 | 1281 | int64_t blocking_timeout; |
fb83fe64 | 1282 | |
28ab034a | 1283 | ret = lttng_channel_get_discarded_event_count(channel, &discarded_events); |
fb83fe64 JD |
1284 | if (ret) { |
1285 | ERR("Failed to retrieve discarded event count of channel"); | |
1286 | return; | |
1287 | } | |
1288 | ||
28ab034a | 1289 | ret = lttng_channel_get_lost_packet_count(channel, &lost_packets); |
fb83fe64 JD |
1290 | if (ret) { |
1291 | ERR("Failed to retrieve lost packet count of channel"); | |
1292 | return; | |
1293 | } | |
1294 | ||
28ab034a | 1295 | ret = lttng_channel_get_monitor_timer_interval(channel, &monitor_timer_interval); |
cf0bcb51 JG |
1296 | if (ret) { |
1297 | ERR("Failed to retrieve monitor interval of channel"); | |
1298 | return; | |
1299 | } | |
1300 | ||
28ab034a | 1301 | ret = lttng_channel_get_blocking_timeout(channel, &blocking_timeout); |
491d1539 MD |
1302 | if (ret) { |
1303 | ERR("Failed to retrieve blocking timeout of channel"); | |
1304 | return; | |
1305 | } | |
1306 | ||
464dd62d | 1307 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 | 1308 | MSG("%sAttributes:", indent4); |
f3b3a67b JG |
1309 | MSG("%sEvent-loss mode: %s", indent6, channel->attr.overwrite ? "overwrite" : "discard"); |
1310 | MSG("%sSub-buffer size: %" PRIu64 " bytes", indent6, channel->attr.subbuf_size); | |
1311 | MSG("%sSub-buffer count: %" PRIu64, indent6, channel->attr.num_subbuf); | |
1312 | ||
1313 | print_timer("Switch timer", 5, channel->attr.switch_timer_interval); | |
28ab034a | 1314 | print_timer("Read timer", 7, channel->attr.read_timer_interval); |
f3b3a67b JG |
1315 | print_timer("Monitor timer", 4, monitor_timer_interval); |
1316 | ||
1317 | if (!channel->attr.overwrite) { | |
1318 | if (blocking_timeout == -1) { | |
1319 | MSG("%sBlocking timeout: infinite", indent6); | |
1320 | } else { | |
28ab034a JG |
1321 | MSG("%sBlocking timeout: %" PRId64 " %s", |
1322 | indent6, | |
1323 | blocking_timeout, | |
1324 | USEC_UNIT); | |
f3b3a67b JG |
1325 | } |
1326 | } | |
1327 | ||
28ab034a JG |
1328 | MSG("%sTrace file count: %" PRIu64 " per stream", |
1329 | indent6, | |
1330 | channel->attr.tracefile_count == 0 ? 1 : channel->attr.tracefile_count); | |
1331 | if (channel->attr.tracefile_size != 0) { | |
1332 | MSG("%sTrace file size: %" PRIu64 " bytes", indent6, channel->attr.tracefile_size); | |
f3b3a67b JG |
1333 | } else { |
1334 | MSG("%sTrace file size: %s", indent6, "unlimited"); | |
1335 | } | |
9f19cc17 | 1336 | switch (channel->attr.output) { |
28ab034a JG |
1337 | case LTTNG_EVENT_SPLICE: |
1338 | MSG("%sOutput mode: splice", indent6); | |
1339 | break; | |
1340 | case LTTNG_EVENT_MMAP: | |
1341 | MSG("%sOutput mode: mmap", indent6); | |
1342 | break; | |
9f19cc17 | 1343 | } |
e50e81d3 | 1344 | |
f3b3a67b | 1345 | MSG("\n%sStatistics:", indent4); |
41493f4a | 1346 | if (the_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 | ||
fb14d0d8 JR |
1373 | /* |
1374 | * Machine interface | |
1375 | * Print a list of channel | |
1376 | * | |
1377 | */ | |
28ab034a | 1378 | static int mi_list_channels(struct lttng_channel *channels, int count, const char *channel_name) |
fb14d0d8 JR |
1379 | { |
1380 | int i, ret; | |
1381 | unsigned int chan_found = 0; | |
1382 | ||
1383 | /* Open channels element */ | |
41493f4a | 1384 | ret = mi_lttng_channels_open(the_writer); |
fb14d0d8 JR |
1385 | if (ret) { |
1386 | goto error; | |
1387 | } | |
1388 | ||
1389 | for (i = 0; i < count; i++) { | |
1390 | if (channel_name != NULL) { | |
1391 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1392 | chan_found = 1; | |
1393 | } else { | |
1394 | continue; | |
1395 | } | |
1396 | } | |
1397 | ||
1398 | /* Write channel element and leave it open */ | |
41493f4a | 1399 | ret = mi_lttng_channel(the_writer, &channels[i], 1); |
fb14d0d8 JR |
1400 | if (ret) { |
1401 | goto error; | |
1402 | } | |
1403 | ||
1404 | /* Listing events per channel */ | |
1405 | ret = list_events(channels[i].name); | |
1406 | if (ret) { | |
1407 | goto error; | |
1408 | } | |
1409 | ||
1410 | /* Closing the channel element we opened earlier */ | |
41493f4a | 1411 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
1412 | if (ret) { |
1413 | goto error; | |
1414 | } | |
1415 | ||
1416 | if (chan_found) { | |
1417 | break; | |
1418 | } | |
1419 | } | |
1420 | ||
1421 | /* Close channels element */ | |
41493f4a | 1422 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
1423 | if (ret) { |
1424 | goto error; | |
1425 | } | |
1426 | ||
1427 | error: | |
1428 | return ret; | |
1429 | } | |
1430 | ||
9f19cc17 DG |
1431 | /* |
1432 | * List channel(s) of session and domain. | |
f3ed775e | 1433 | * |
9f19cc17 | 1434 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 1435 | */ |
cd80958d | 1436 | static int list_channels(const char *channel_name) |
f3ed775e | 1437 | { |
9f19cc17 DG |
1438 | int count, i, ret = CMD_SUCCESS; |
1439 | unsigned int chan_found = 0; | |
1440 | struct lttng_channel *channels = NULL; | |
f3ed775e | 1441 | |
28ab034a | 1442 | DBG("Listing channel(s) (%s)", channel_name ?: "<all>"); |
9f19cc17 | 1443 | |
41493f4a | 1444 | count = lttng_list_channels(the_handle, &channels); |
f3ed775e | 1445 | if (count < 0) { |
c7d620a2 DG |
1446 | switch (-count) { |
1447 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
fb14d0d8 JR |
1448 | if (lttng_opt_mi) { |
1449 | /* When printing mi this is not an error | |
1450 | * but an empty channels element */ | |
1451 | count = 0; | |
1452 | } else { | |
1453 | ret = CMD_SUCCESS; | |
fb14d0d8 JR |
1454 | goto error_channels; |
1455 | } | |
c7d620a2 DG |
1456 | break; |
1457 | default: | |
1458 | /* We had a real error */ | |
fb14d0d8 JR |
1459 | ret = CMD_ERROR; |
1460 | ERR("%s", lttng_strerror(count)); | |
1461 | goto error_channels; | |
60e835ca | 1462 | break; |
c7d620a2 | 1463 | } |
f3ed775e DG |
1464 | } |
1465 | ||
fb14d0d8 JR |
1466 | if (lttng_opt_mi) { |
1467 | /* Mi print */ | |
1468 | ret = mi_list_channels(channels, count, channel_name); | |
1469 | if (ret) { | |
1470 | ret = CMD_ERROR; | |
1471 | goto error; | |
1472 | } | |
1473 | } else { | |
1474 | /* Pretty print */ | |
ade7ce52 | 1475 | if (count) { |
fb14d0d8 JR |
1476 | MSG("Channels:\n-------------"); |
1477 | } | |
9f19cc17 | 1478 | |
fb14d0d8 JR |
1479 | for (i = 0; i < count; i++) { |
1480 | if (channel_name != NULL) { | |
1481 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1482 | chan_found = 1; | |
1483 | } else { | |
1484 | continue; | |
1485 | } | |
1486 | } | |
1487 | print_channel(&channels[i]); | |
1488 | ||
1489 | /* Listing events per channel */ | |
1490 | ret = list_events(channels[i].name); | |
1491 | if (ret) { | |
1492 | goto error; | |
1493 | } | |
1494 | ||
1495 | if (chan_found) { | |
1496 | break; | |
9f19cc17 DG |
1497 | } |
1498 | } | |
9f19cc17 | 1499 | |
fb14d0d8 JR |
1500 | if (!chan_found && channel_name != NULL) { |
1501 | ret = CMD_ERROR; | |
1502 | ERR("Channel %s not found", channel_name); | |
1503 | goto error; | |
9f19cc17 | 1504 | } |
fb14d0d8 JR |
1505 | } |
1506 | error: | |
1507 | free(channels); | |
9f19cc17 | 1508 | |
fb14d0d8 JR |
1509 | error_channels: |
1510 | return ret; | |
1511 | } | |
1512 | ||
159b042f | 1513 | static const char *get_capitalized_process_attr_str(enum lttng_process_attr process_attr) |
83d6d6c4 | 1514 | { |
159b042f JG |
1515 | switch (process_attr) { |
1516 | case LTTNG_PROCESS_ATTR_PROCESS_ID: | |
1517 | return "Process ID"; | |
1518 | case LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID: | |
1519 | return "Virtual process ID"; | |
1520 | case LTTNG_PROCESS_ATTR_USER_ID: | |
1521 | return "User ID"; | |
1522 | case LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID: | |
1523 | return "Virtual user ID"; | |
1524 | case LTTNG_PROCESS_ATTR_GROUP_ID: | |
1525 | return "Group ID"; | |
1526 | case LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID: | |
1527 | return "Virtual group ID"; | |
1528 | default: | |
1529 | return "Unknown"; | |
83d6d6c4 JR |
1530 | } |
1531 | return NULL; | |
1532 | } | |
1533 | ||
159b042f | 1534 | static int handle_process_attr_status(enum lttng_process_attr process_attr, |
28ab034a | 1535 | enum lttng_process_attr_tracker_handle_status status) |
159b042f JG |
1536 | { |
1537 | int ret = CMD_SUCCESS; | |
1538 | ||
1539 | switch (status) { | |
1540 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_INVALID_TRACKING_POLICY: | |
1541 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_OK: | |
1542 | /* Carry on. */ | |
1543 | break; | |
1544 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_COMMUNICATION_ERROR: | |
1545 | ERR("Communication occurred while fetching %s tracker", | |
28ab034a | 1546 | lttng_process_attr_to_string(process_attr)); |
159b042f JG |
1547 | ret = CMD_ERROR; |
1548 | break; | |
1549 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_SESSION_DOES_NOT_EXIST: | |
1550 | ERR("Failed to get the inclusion set of the %s tracker: session `%s` no longer exists", | |
28ab034a JG |
1551 | lttng_process_attr_to_string(process_attr), |
1552 | the_handle->session_name); | |
159b042f JG |
1553 | ret = CMD_ERROR; |
1554 | break; | |
1555 | default: | |
1556 | ERR("Unknown error occurred while fetching the inclusion set of the %s tracker", | |
28ab034a | 1557 | lttng_process_attr_to_string(process_attr)); |
159b042f JG |
1558 | ret = CMD_ERROR; |
1559 | break; | |
1560 | } | |
1561 | ||
1562 | return ret; | |
1563 | } | |
1564 | ||
1565 | static int mi_output_empty_tracker(enum lttng_process_attr process_attr) | |
1566 | { | |
1567 | int ret; | |
1568 | ||
41493f4a | 1569 | ret = mi_lttng_process_attribute_tracker_open(the_writer, process_attr); |
159b042f JG |
1570 | if (ret) { |
1571 | goto end; | |
1572 | } | |
1573 | ||
41493f4a | 1574 | ret = mi_lttng_close_multi_element(the_writer, 2); |
159b042f JG |
1575 | end: |
1576 | return ret; | |
1577 | } | |
1578 | ||
28ab034a | 1579 | static inline bool is_value_type_name(enum lttng_process_attr_value_type value_type) |
159b042f JG |
1580 | { |
1581 | return value_type == LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME || | |
28ab034a | 1582 | value_type == LTTNG_PROCESS_ATTR_VALUE_TYPE_GROUP_NAME; |
159b042f JG |
1583 | } |
1584 | ||
a5dfbb9d | 1585 | /* |
159b042f | 1586 | * List a process attribute tracker for a session and domain tuple. |
a5dfbb9d | 1587 | */ |
159b042f | 1588 | static int list_process_attr_tracker(enum lttng_process_attr process_attr) |
a5dfbb9d | 1589 | { |
ebbf5ab7 | 1590 | int ret = 0; |
159b042f JG |
1591 | unsigned int count, i; |
1592 | enum lttng_tracking_policy policy; | |
1593 | enum lttng_error_code ret_code; | |
1594 | enum lttng_process_attr_tracker_handle_status handle_status; | |
1595 | enum lttng_process_attr_values_status values_status; | |
1596 | const struct lttng_process_attr_values *values; | |
1597 | struct lttng_process_attr_tracker_handle *tracker_handle = NULL; | |
1598 | ||
28ab034a JG |
1599 | ret_code = lttng_session_get_tracker_handle( |
1600 | the_handle->session_name, the_handle->domain.type, process_attr, &tracker_handle); | |
159b042f | 1601 | if (ret_code != LTTNG_OK) { |
28ab034a | 1602 | ERR("Failed to get process attribute tracker handle: %s", lttng_strerror(ret_code)); |
159b042f JG |
1603 | ret = CMD_ERROR; |
1604 | goto end; | |
1605 | } | |
a5dfbb9d | 1606 | |
28ab034a JG |
1607 | handle_status = |
1608 | lttng_process_attr_tracker_handle_get_inclusion_set(tracker_handle, &values); | |
159b042f JG |
1609 | ret = handle_process_attr_status(process_attr, handle_status); |
1610 | if (ret != CMD_SUCCESS) { | |
1611 | goto end; | |
a5dfbb9d | 1612 | } |
a7a533cd | 1613 | |
28ab034a JG |
1614 | handle_status = |
1615 | lttng_process_attr_tracker_handle_get_tracking_policy(tracker_handle, &policy); | |
159b042f JG |
1616 | ret = handle_process_attr_status(process_attr, handle_status); |
1617 | if (ret != CMD_SUCCESS) { | |
e283e4a0 JR |
1618 | goto end; |
1619 | } | |
1620 | ||
159b042f JG |
1621 | { |
1622 | char *process_attr_name; | |
28ab034a JG |
1623 | const int print_ret = asprintf( |
1624 | &process_attr_name, "%ss:", get_capitalized_process_attr_str(process_attr)); | |
159b042f JG |
1625 | |
1626 | if (print_ret == -1) { | |
1627 | ret = CMD_FATAL; | |
1628 | goto end; | |
a7a533cd | 1629 | } |
159b042f JG |
1630 | _MSG(" %-22s", process_attr_name); |
1631 | free(process_attr_name); | |
1632 | } | |
1633 | switch (policy) { | |
1634 | case LTTNG_TRACKING_POLICY_INCLUDE_SET: | |
1635 | break; | |
1636 | case LTTNG_TRACKING_POLICY_EXCLUDE_ALL: | |
41493f4a | 1637 | if (the_writer) { |
159b042f JG |
1638 | mi_output_empty_tracker(process_attr); |
1639 | } | |
1640 | MSG("none"); | |
1641 | ret = CMD_SUCCESS; | |
1642 | goto end; | |
1643 | case LTTNG_TRACKING_POLICY_INCLUDE_ALL: | |
1644 | MSG("all"); | |
1645 | ret = CMD_SUCCESS; | |
1646 | goto end; | |
1647 | default: | |
1648 | ERR("Unknown tracking policy encoutered while listing the %s process attribute tracker of session `%s`", | |
28ab034a JG |
1649 | lttng_process_attr_to_string(process_attr), |
1650 | the_handle->session_name); | |
159b042f JG |
1651 | ret = CMD_FATAL; |
1652 | goto end; | |
83d6d6c4 | 1653 | } |
a7a533cd | 1654 | |
159b042f JG |
1655 | values_status = lttng_process_attr_values_get_count(values, &count); |
1656 | if (values_status != LTTNG_PROCESS_ATTR_VALUES_STATUS_OK) { | |
1657 | ERR("Failed to get the count of values in the inclusion set of the %s process attribute tracker of session `%s`", | |
28ab034a JG |
1658 | lttng_process_attr_to_string(process_attr), |
1659 | the_handle->session_name); | |
159b042f JG |
1660 | ret = CMD_FATAL; |
1661 | goto end; | |
1662 | } | |
a5dfbb9d | 1663 | |
159b042f JG |
1664 | if (count == 0) { |
1665 | /* Functionally equivalent to the 'exclude all' policy. */ | |
41493f4a | 1666 | if (the_writer) { |
159b042f | 1667 | mi_output_empty_tracker(process_attr); |
ebbf5ab7 | 1668 | } |
159b042f JG |
1669 | MSG("none"); |
1670 | ret = CMD_SUCCESS; | |
1671 | goto end; | |
1672 | } | |
ebbf5ab7 | 1673 | |
159b042f | 1674 | /* Mi tracker_id element */ |
41493f4a | 1675 | if (the_writer) { |
159b042f | 1676 | /* Open tracker_id and targets elements */ |
28ab034a | 1677 | ret = mi_lttng_process_attribute_tracker_open(the_writer, process_attr); |
159b042f JG |
1678 | if (ret) { |
1679 | goto end; | |
1680 | } | |
1681 | } | |
2d97a006 | 1682 | |
159b042f JG |
1683 | for (i = 0; i < count; i++) { |
1684 | const enum lttng_process_attr_value_type value_type = | |
28ab034a | 1685 | lttng_process_attr_values_get_type_at_index(values, i); |
159b042f JG |
1686 | int64_t integral_value = INT64_MAX; |
1687 | const char *name = "error"; | |
1688 | ||
1689 | if (i >= 1) { | |
1690 | _MSG(", "); | |
1691 | } | |
1692 | switch (value_type) { | |
1693 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_PID: | |
1694 | { | |
1695 | pid_t pid; | |
1696 | ||
28ab034a | 1697 | values_status = lttng_process_attr_values_get_pid_at_index(values, i, &pid); |
159b042f JG |
1698 | integral_value = (int64_t) pid; |
1699 | break; | |
1700 | } | |
1701 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_UID: | |
1702 | { | |
1703 | uid_t uid; | |
a7a533cd | 1704 | |
28ab034a | 1705 | values_status = lttng_process_attr_values_get_uid_at_index(values, i, &uid); |
159b042f JG |
1706 | integral_value = (int64_t) uid; |
1707 | break; | |
1708 | } | |
1709 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GID: | |
1710 | { | |
1711 | gid_t gid; | |
2d97a006 | 1712 | |
28ab034a | 1713 | values_status = lttng_process_attr_values_get_gid_at_index(values, i, &gid); |
159b042f JG |
1714 | integral_value = (int64_t) gid; |
1715 | break; | |
1716 | } | |
1717 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME: | |
28ab034a JG |
1718 | values_status = |
1719 | lttng_process_attr_values_get_user_name_at_index(values, i, &name); | |
159b042f JG |
1720 | break; |
1721 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GROUP_NAME: | |
28ab034a JG |
1722 | values_status = |
1723 | lttng_process_attr_values_get_group_name_at_index(values, i, &name); | |
159b042f JG |
1724 | break; |
1725 | default: | |
1726 | ret = CMD_ERROR; | |
1727 | goto end; | |
1728 | } | |
83d6d6c4 | 1729 | |
159b042f JG |
1730 | if (values_status != LTTNG_PROCESS_ATTR_VALUES_STATUS_OK) { |
1731 | /* | |
1732 | * Not possible given the current liblttng-ctl | |
1733 | * implementation. | |
1734 | */ | |
1735 | ERR("Unknown error occurred while fetching process attribute value in inclusion list"); | |
1736 | ret = CMD_FATAL; | |
1737 | goto end; | |
1738 | } | |
ebbf5ab7 | 1739 | |
159b042f JG |
1740 | if (is_value_type_name(value_type)) { |
1741 | _MSG("`%s`", name); | |
1742 | } else { | |
1743 | _MSG("%" PRIi64, integral_value); | |
a5dfbb9d | 1744 | } |
ebbf5ab7 | 1745 | |
159b042f | 1746 | /* Mi */ |
41493f4a | 1747 | if (the_writer) { |
159b042f | 1748 | ret = is_value_type_name(value_type) ? |
28ab034a JG |
1749 | mi_lttng_string_process_attribute_value( |
1750 | the_writer, process_attr, name, false) : | |
1751 | mi_lttng_integral_process_attribute_value( | |
1752 | the_writer, process_attr, integral_value, false); | |
ebbf5ab7 JR |
1753 | if (ret) { |
1754 | goto end; | |
1755 | } | |
1756 | } | |
a5dfbb9d | 1757 | } |
159b042f JG |
1758 | MSG(""); |
1759 | ||
1760 | /* Mi close tracker_id and targets */ | |
41493f4a SM |
1761 | if (the_writer) { |
1762 | ret = mi_lttng_close_multi_element(the_writer, 2); | |
159b042f JG |
1763 | if (ret) { |
1764 | goto end; | |
1765 | } | |
1766 | } | |
ebbf5ab7 | 1767 | end: |
159b042f | 1768 | lttng_process_attr_tracker_handle_destroy(tracker_handle); |
ebbf5ab7 | 1769 | return ret; |
ebbf5ab7 JR |
1770 | } |
1771 | ||
1772 | /* | |
83d6d6c4 | 1773 | * List all trackers of a domain |
ebbf5ab7 | 1774 | */ |
83d6d6c4 | 1775 | static int list_trackers(const struct lttng_domain *domain) |
ebbf5ab7 | 1776 | { |
0dda6728 | 1777 | int ret = 0; |
ebbf5ab7 | 1778 | |
159b042f | 1779 | MSG("Tracked process attributes"); |
ebbf5ab7 JR |
1780 | /* Trackers listing */ |
1781 | if (lttng_opt_mi) { | |
41493f4a | 1782 | ret = mi_lttng_trackers_open(the_writer); |
ebbf5ab7 JR |
1783 | if (ret) { |
1784 | goto end; | |
1785 | } | |
1786 | } | |
1787 | ||
83d6d6c4 JR |
1788 | switch (domain->type) { |
1789 | case LTTNG_DOMAIN_KERNEL: | |
1790 | /* pid tracker */ | |
159b042f | 1791 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_PROCESS_ID); |
83d6d6c4 JR |
1792 | if (ret) { |
1793 | goto end; | |
1794 | } | |
1795 | /* vpid tracker */ | |
28ab034a | 1796 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID); |
83d6d6c4 JR |
1797 | if (ret) { |
1798 | goto end; | |
1799 | } | |
1800 | /* uid tracker */ | |
159b042f | 1801 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_USER_ID); |
83d6d6c4 JR |
1802 | if (ret) { |
1803 | goto end; | |
1804 | } | |
1805 | /* vuid tracker */ | |
28ab034a | 1806 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID); |
83d6d6c4 JR |
1807 | if (ret) { |
1808 | goto end; | |
1809 | } | |
1810 | /* gid tracker */ | |
159b042f | 1811 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_GROUP_ID); |
83d6d6c4 JR |
1812 | if (ret) { |
1813 | goto end; | |
1814 | } | |
1815 | /* vgid tracker */ | |
28ab034a | 1816 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID); |
83d6d6c4 JR |
1817 | if (ret) { |
1818 | goto end; | |
1819 | } | |
1820 | break; | |
1821 | case LTTNG_DOMAIN_UST: | |
1822 | /* vpid tracker */ | |
28ab034a | 1823 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID); |
83d6d6c4 JR |
1824 | if (ret) { |
1825 | goto end; | |
1826 | } | |
1827 | /* vuid tracker */ | |
28ab034a | 1828 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID); |
83d6d6c4 JR |
1829 | if (ret) { |
1830 | goto end; | |
1831 | } | |
1832 | /* vgid tracker */ | |
28ab034a | 1833 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID); |
83d6d6c4 JR |
1834 | if (ret) { |
1835 | goto end; | |
1836 | } | |
1837 | break; | |
1838 | default: | |
1839 | break; | |
ebbf5ab7 | 1840 | } |
159b042f | 1841 | MSG(); |
ebbf5ab7 JR |
1842 | if (lttng_opt_mi) { |
1843 | /* Close trackers element */ | |
41493f4a | 1844 | ret = mi_lttng_writer_close_element(the_writer); |
ebbf5ab7 JR |
1845 | if (ret) { |
1846 | goto end; | |
1847 | } | |
1848 | } | |
1849 | ||
1850 | end: | |
1851 | return ret; | |
a5dfbb9d MD |
1852 | } |
1853 | ||
28ab034a JG |
1854 | static enum cmd_error_code |
1855 | print_periodic_rotation_schedule(const struct lttng_rotation_schedule *schedule) | |
66ea93b1 JG |
1856 | { |
1857 | enum cmd_error_code ret; | |
1858 | enum lttng_rotation_status status; | |
1859 | uint64_t value; | |
1860 | ||
28ab034a | 1861 | status = lttng_rotation_schedule_periodic_get_period(schedule, &value); |
66ea93b1 JG |
1862 | if (status != LTTNG_ROTATION_STATUS_OK) { |
1863 | ERR("Failed to retrieve period parameter from periodic rotation schedule."); | |
1864 | ret = CMD_ERROR; | |
1865 | goto end; | |
1866 | } | |
1867 | ||
28ab034a | 1868 | MSG(" timer period: %" PRIu64 " %s", value, USEC_UNIT); |
66ea93b1 JG |
1869 | ret = CMD_SUCCESS; |
1870 | end: | |
1871 | return ret; | |
1872 | } | |
1873 | ||
28ab034a JG |
1874 | static enum cmd_error_code |
1875 | print_size_threshold_rotation_schedule(const struct lttng_rotation_schedule *schedule) | |
66ea93b1 JG |
1876 | { |
1877 | enum cmd_error_code ret; | |
1878 | enum lttng_rotation_status status; | |
1879 | uint64_t value; | |
1880 | ||
28ab034a | 1881 | status = lttng_rotation_schedule_size_threshold_get_threshold(schedule, &value); |
66ea93b1 JG |
1882 | if (status != LTTNG_ROTATION_STATUS_OK) { |
1883 | ERR("Failed to retrieve size parameter from size-based rotation schedule."); | |
1884 | ret = CMD_ERROR; | |
1885 | goto end; | |
1886 | } | |
1887 | ||
28ab034a | 1888 | MSG(" size threshold: %" PRIu64 " bytes", value); |
66ea93b1 JG |
1889 | ret = CMD_SUCCESS; |
1890 | end: | |
1891 | return ret; | |
1892 | } | |
1893 | ||
28ab034a | 1894 | static enum cmd_error_code print_rotation_schedule(const struct lttng_rotation_schedule *schedule) |
66ea93b1 JG |
1895 | { |
1896 | enum cmd_error_code ret; | |
1897 | ||
1898 | switch (lttng_rotation_schedule_get_type(schedule)) { | |
1899 | case LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD: | |
1900 | ret = print_size_threshold_rotation_schedule(schedule); | |
1901 | break; | |
1902 | case LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC: | |
1903 | ret = print_periodic_rotation_schedule(schedule); | |
1904 | break; | |
1905 | default: | |
1906 | ret = CMD_ERROR; | |
1907 | } | |
1908 | return ret; | |
1909 | } | |
1910 | ||
329f3443 | 1911 | /* |
66ea93b1 | 1912 | * List the automatic rotation settings. |
329f3443 | 1913 | */ |
66ea93b1 | 1914 | static enum cmd_error_code list_rotate_settings(const char *session_name) |
329f3443 JD |
1915 | { |
1916 | int ret; | |
66ea93b1 JG |
1917 | enum cmd_error_code cmd_ret = CMD_SUCCESS; |
1918 | unsigned int count, i; | |
1919 | struct lttng_rotation_schedules *schedules = NULL; | |
1920 | enum lttng_rotation_status status; | |
1921 | ||
1922 | ret = lttng_session_list_rotation_schedules(session_name, &schedules); | |
1923 | if (ret != LTTNG_OK) { | |
1924 | ERR("Failed to list session rotation schedules: %s", lttng_strerror(ret)); | |
1925 | cmd_ret = CMD_ERROR; | |
329f3443 JD |
1926 | goto end; |
1927 | } | |
1928 | ||
66ea93b1 JG |
1929 | status = lttng_rotation_schedules_get_count(schedules, &count); |
1930 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1931 | ERR("Failed to retrieve the number of session rotation schedules."); | |
1932 | cmd_ret = CMD_ERROR; | |
329f3443 JD |
1933 | goto end; |
1934 | } | |
1935 | ||
66ea93b1 JG |
1936 | if (count == 0) { |
1937 | cmd_ret = CMD_SUCCESS; | |
329f3443 JD |
1938 | goto end; |
1939 | } | |
1940 | ||
66ea93b1 JG |
1941 | MSG("Automatic rotation schedules:"); |
1942 | if (lttng_opt_mi) { | |
28ab034a | 1943 | ret = mi_lttng_writer_open_element(the_writer, mi_lttng_element_rotation_schedules); |
66ea93b1 JG |
1944 | if (ret) { |
1945 | cmd_ret = CMD_ERROR; | |
1946 | goto end; | |
329f3443 JD |
1947 | } |
1948 | } | |
66ea93b1 JG |
1949 | |
1950 | for (i = 0; i < count; i++) { | |
1951 | enum cmd_error_code tmp_ret = CMD_SUCCESS; | |
1952 | const struct lttng_rotation_schedule *schedule; | |
1953 | ||
1954 | schedule = lttng_rotation_schedules_get_at_index(schedules, i); | |
1955 | if (!schedule) { | |
1956 | ERR("Failed to retrieve session rotation schedule."); | |
1957 | cmd_ret = CMD_ERROR; | |
1958 | goto end; | |
1959 | } | |
1960 | ||
329f3443 | 1961 | if (lttng_opt_mi) { |
41493f4a | 1962 | ret = mi_lttng_rotation_schedule(the_writer, schedule); |
329f3443 | 1963 | if (ret) { |
66ea93b1 | 1964 | tmp_ret = CMD_ERROR; |
329f3443 | 1965 | } |
66ea93b1 JG |
1966 | } else { |
1967 | tmp_ret = print_rotation_schedule(schedule); | |
329f3443 | 1968 | } |
66ea93b1 JG |
1969 | |
1970 | /* | |
1971 | * Report an error if the serialization of any of the | |
1972 | * descriptors failed. | |
1973 | */ | |
1974 | cmd_ret = cmd_ret ? cmd_ret : tmp_ret; | |
329f3443 | 1975 | } |
329f3443 | 1976 | |
66ea93b1 JG |
1977 | _MSG("\n"); |
1978 | if (lttng_opt_mi) { | |
1979 | /* Close the rotation_schedules element. */ | |
41493f4a | 1980 | ret = mi_lttng_writer_close_element(the_writer); |
66ea93b1 JG |
1981 | if (ret) { |
1982 | cmd_ret = CMD_ERROR; | |
1983 | goto end; | |
1984 | } | |
1985 | } | |
329f3443 | 1986 | end: |
66ea93b1 JG |
1987 | lttng_rotation_schedules_destroy(schedules); |
1988 | return cmd_ret; | |
329f3443 JD |
1989 | } |
1990 | ||
fb14d0d8 JR |
1991 | /* |
1992 | * Machine interface | |
1993 | * Find the session with session_name as name | |
1994 | * and print his informations. | |
1995 | */ | |
28ab034a | 1996 | static int mi_list_session(const char *session_name, struct lttng_session *sessions, int count) |
fb14d0d8 JR |
1997 | { |
1998 | int ret, i; | |
1999 | unsigned int session_found = 0; | |
2000 | ||
2001 | if (session_name == NULL) { | |
2002 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
2003 | goto end; | |
2004 | } | |
2005 | ||
2006 | for (i = 0; i < count; i++) { | |
2007 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
2008 | /* We need to leave it open to append other informations | |
2009 | * like domain, channel, events etc.*/ | |
2010 | session_found = 1; | |
41493f4a | 2011 | ret = mi_lttng_session(the_writer, &sessions[i], 1); |
fb14d0d8 JR |
2012 | if (ret) { |
2013 | goto end; | |
2014 | } | |
9f19cc17 | 2015 | break; |
f3ed775e | 2016 | } |
f3ed775e DG |
2017 | } |
2018 | ||
fb14d0d8 JR |
2019 | if (!session_found) { |
2020 | ERR("Session '%s' not found", session_name); | |
2021 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
2022 | goto end; | |
9f19cc17 | 2023 | } |
f3ed775e | 2024 | |
fb14d0d8 JR |
2025 | end: |
2026 | return ret; | |
2027 | } | |
f3ed775e | 2028 | |
fb14d0d8 JR |
2029 | /* |
2030 | * Machine interface | |
2031 | * List all availables session | |
2032 | */ | |
2033 | static int mi_list_sessions(struct lttng_session *sessions, int count) | |
2034 | { | |
2035 | int ret, i; | |
ae856491 | 2036 | |
fb14d0d8 | 2037 | /* Opening sessions element */ |
41493f4a | 2038 | ret = mi_lttng_sessions_open(the_writer); |
fb14d0d8 JR |
2039 | if (ret) { |
2040 | goto end; | |
2041 | } | |
2042 | ||
2043 | /* Listing sessions */ | |
2044 | for (i = 0; i < count; i++) { | |
41493f4a | 2045 | ret = mi_lttng_session(the_writer, &sessions[i], 0); |
fb14d0d8 JR |
2046 | if (ret) { |
2047 | goto end; | |
2048 | } | |
2049 | } | |
2050 | ||
2051 | /* Closing sessions element */ | |
41493f4a | 2052 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
2053 | if (ret) { |
2054 | goto end; | |
2055 | } | |
2056 | ||
2057 | end: | |
f3ed775e DG |
2058 | return ret; |
2059 | } | |
2060 | ||
2061 | /* | |
9f19cc17 | 2062 | * List available tracing session. List only basic information. |
f3ed775e | 2063 | * |
9f19cc17 | 2064 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 2065 | */ |
9f19cc17 | 2066 | static int list_sessions(const char *session_name) |
f3ed775e | 2067 | { |
fb14d0d8 JR |
2068 | int ret = CMD_SUCCESS; |
2069 | int count, i; | |
9f19cc17 | 2070 | unsigned int session_found = 0; |
aff0fa72 | 2071 | struct lttng_session *sessions = NULL; |
9f19cc17 DG |
2072 | |
2073 | count = lttng_list_sessions(&sessions); | |
2074 | DBG("Session count %d", count); | |
2075 | if (count < 0) { | |
fb14d0d8 JR |
2076 | ret = CMD_ERROR; |
2077 | ERR("%s", lttng_strerror(count)); | |
d32fb093 | 2078 | goto end; |
9f19cc17 DG |
2079 | } |
2080 | ||
fb14d0d8 JR |
2081 | if (lttng_opt_mi) { |
2082 | /* Mi */ | |
2083 | if (session_name == NULL) { | |
aff0fa72 | 2084 | /* List all sessions */ |
fb14d0d8 JR |
2085 | ret = mi_list_sessions(sessions, count); |
2086 | } else { | |
2087 | /* Note : this return an open session element */ | |
2088 | ret = mi_list_session(session_name, sessions, count); | |
2089 | } | |
2090 | if (ret) { | |
2091 | ret = CMD_ERROR; | |
aff0fa72 | 2092 | goto end; |
fb14d0d8 JR |
2093 | } |
2094 | } else { | |
2095 | /* Pretty print */ | |
2096 | if (count == 0) { | |
e9711845 | 2097 | MSG("Currently no available recording session"); |
fb14d0d8 JR |
2098 | goto end; |
2099 | } | |
9f19cc17 | 2100 | |
fb14d0d8 | 2101 | if (session_name == NULL) { |
e9711845 | 2102 | MSG("Available recording sessions:"); |
fb14d0d8 JR |
2103 | } |
2104 | ||
fb14d0d8 JR |
2105 | for (i = 0; i < count; i++) { |
2106 | if (session_name != NULL) { | |
2107 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
2108 | session_found = 1; | |
28ab034a JG |
2109 | MSG("Recording session %s: [%s%s]", |
2110 | session_name, | |
2111 | active_string(sessions[i].enabled), | |
2112 | snapshot_string(sessions[i].snapshot_mode)); | |
5b89fc92 | 2113 | if (*sessions[i].path) { |
28ab034a JG |
2114 | MSG("%sTrace output: %s\n", |
2115 | indent4, | |
2116 | sessions[i].path); | |
5b89fc92 | 2117 | } |
41493f4a | 2118 | memcpy(&the_listed_session, |
28ab034a JG |
2119 | &sessions[i], |
2120 | sizeof(the_listed_session)); | |
fb14d0d8 JR |
2121 | break; |
2122 | } | |
2123 | } else { | |
28ab034a JG |
2124 | MSG(" %d) %s [%s%s]", |
2125 | i + 1, | |
2126 | sessions[i].name, | |
2127 | active_string(sessions[i].enabled), | |
2128 | snapshot_string(sessions[i].snapshot_mode)); | |
5b89fc92 JG |
2129 | if (*sessions[i].path) { |
2130 | MSG("%sTrace output: %s", indent4, sessions[i].path); | |
2131 | } | |
fcbc96a2 | 2132 | if (sessions[i].live_timer_interval != 0) { |
28ab034a JG |
2133 | MSG("%sLive timer interval: %u %s", |
2134 | indent4, | |
2135 | sessions[i].live_timer_interval, | |
2136 | USEC_UNIT); | |
fcbc96a2 JG |
2137 | } |
2138 | MSG(""); | |
9f19cc17 | 2139 | } |
fb14d0d8 JR |
2140 | } |
2141 | ||
2142 | if (!session_found && session_name != NULL) { | |
2143 | ERR("Session '%s' not found", session_name); | |
2144 | ret = CMD_ERROR; | |
aff0fa72 | 2145 | goto end; |
fb14d0d8 JR |
2146 | } |
2147 | ||
2148 | if (session_name == NULL) { | |
2149 | MSG("\nUse lttng list <session_name> for more details"); | |
9f19cc17 DG |
2150 | } |
2151 | } | |
2152 | ||
fb14d0d8 | 2153 | end: |
aff0fa72 | 2154 | free(sessions); |
fb14d0d8 JR |
2155 | return ret; |
2156 | } | |
9f19cc17 | 2157 | |
fb14d0d8 JR |
2158 | /* |
2159 | * Machine Interface | |
2160 | * list available domain(s) for a session. | |
2161 | */ | |
2162 | static int mi_list_domains(struct lttng_domain *domains, int count) | |
2163 | { | |
2164 | int i, ret; | |
2165 | /* Open domains element */ | |
41493f4a | 2166 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
2167 | if (ret) { |
2168 | goto end; | |
9f19cc17 DG |
2169 | } |
2170 | ||
fb14d0d8 | 2171 | for (i = 0; i < count; i++) { |
41493f4a | 2172 | ret = mi_lttng_domain(the_writer, &domains[i], 0); |
fb14d0d8 JR |
2173 | if (ret) { |
2174 | goto end; | |
2175 | } | |
9f19cc17 | 2176 | } |
f3ed775e | 2177 | |
fb14d0d8 | 2178 | /* Closing domains element */ |
41493f4a | 2179 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
2180 | if (ret) { |
2181 | goto end; | |
2182 | } | |
d32fb093 | 2183 | end: |
f3ed775e DG |
2184 | return ret; |
2185 | } | |
f3ed775e DG |
2186 | |
2187 | /* | |
9f19cc17 | 2188 | * List available domain(s) for a session. |
f3ed775e | 2189 | */ |
330be774 | 2190 | static int list_domains(const char *session_name) |
f3ed775e | 2191 | { |
9f19cc17 DG |
2192 | int i, count, ret = CMD_SUCCESS; |
2193 | struct lttng_domain *domains = NULL; | |
2194 | ||
330be774 | 2195 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 | 2196 | if (count < 0) { |
fb14d0d8 JR |
2197 | ret = CMD_ERROR; |
2198 | ERR("%s", lttng_strerror(count)); | |
9f19cc17 DG |
2199 | goto end; |
2200 | } | |
2201 | ||
fb14d0d8 JR |
2202 | if (lttng_opt_mi) { |
2203 | /* Mi output */ | |
2204 | ret = mi_list_domains(domains, count); | |
2205 | if (ret) { | |
2206 | ret = CMD_ERROR; | |
2207 | goto error; | |
2208 | } | |
2209 | } else { | |
2210 | /* Pretty print */ | |
2211 | MSG("Domains:\n-------------"); | |
2212 | if (count == 0) { | |
2213 | MSG(" None"); | |
2214 | goto end; | |
2215 | } | |
2216 | ||
2217 | for (i = 0; i < count; i++) { | |
2218 | switch (domains[i].type) { | |
2219 | case LTTNG_DOMAIN_KERNEL: | |
2220 | MSG(" - Kernel"); | |
2221 | break; | |
2222 | case LTTNG_DOMAIN_UST: | |
2223 | MSG(" - UST global"); | |
2224 | break; | |
2225 | case LTTNG_DOMAIN_JUL: | |
2226 | MSG(" - JUL (Java Util Logging)"); | |
2227 | break; | |
5cdb6027 DG |
2228 | case LTTNG_DOMAIN_LOG4J: |
2229 | MSG(" - LOG4j (Logging for Java)"); | |
2230 | break; | |
0e115563 DG |
2231 | case LTTNG_DOMAIN_PYTHON: |
2232 | MSG(" - Python (logging)"); | |
2233 | break; | |
fb14d0d8 JR |
2234 | default: |
2235 | break; | |
2236 | } | |
9f19cc17 DG |
2237 | } |
2238 | } | |
2239 | ||
fb14d0d8 | 2240 | error: |
9f19cc17 DG |
2241 | free(domains); |
2242 | ||
fb14d0d8 | 2243 | end: |
9f19cc17 | 2244 | return ret; |
f3ed775e | 2245 | } |
f3ed775e DG |
2246 | |
2247 | /* | |
9f19cc17 | 2248 | * The 'list <options>' first level command |
f3ed775e DG |
2249 | */ |
2250 | int cmd_list(int argc, const char **argv) | |
2251 | { | |
c617c0c6 | 2252 | int opt, ret = CMD_SUCCESS; |
5b915816 | 2253 | const char *arg_session_name, *leftover = NULL; |
f3ed775e | 2254 | static poptContext pc; |
9f19cc17 DG |
2255 | struct lttng_domain domain; |
2256 | struct lttng_domain *domains = NULL; | |
f3ed775e | 2257 | |
441c16a7 MD |
2258 | memset(&domain, 0, sizeof(domain)); |
2259 | ||
9f19cc17 | 2260 | if (argc < 1) { |
ca1c3607 | 2261 | ret = CMD_ERROR; |
f3ed775e DG |
2262 | goto end; |
2263 | } | |
2264 | ||
2265 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
2266 | poptReadDefaultConfig(pc, 0); | |
2267 | ||
2268 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
2269 | switch (opt) { | |
2270 | case OPT_HELP: | |
4ba92f18 | 2271 | SHOW_HELP(); |
f3ed775e | 2272 | goto end; |
eeac7d46 MD |
2273 | case OPT_USERSPACE: |
2274 | opt_userspace = 1; | |
eeac7d46 | 2275 | break; |
679b4943 SM |
2276 | case OPT_LIST_OPTIONS: |
2277 | list_cmd_options(stdout, long_options); | |
679b4943 | 2278 | goto end; |
f3ed775e | 2279 | default: |
f3ed775e DG |
2280 | ret = CMD_UNDEFINED; |
2281 | goto end; | |
2282 | } | |
2283 | } | |
2284 | ||
fb14d0d8 JR |
2285 | /* Mi check */ |
2286 | if (lttng_opt_mi) { | |
28ab034a | 2287 | the_writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); |
41493f4a | 2288 | if (!the_writer) { |
fb14d0d8 JR |
2289 | ret = CMD_ERROR; |
2290 | goto end; | |
2291 | } | |
2292 | ||
2293 | /* Open command element */ | |
28ab034a | 2294 | ret = mi_lttng_writer_command_open(the_writer, mi_lttng_element_command_list); |
fb14d0d8 JR |
2295 | if (ret) { |
2296 | ret = CMD_ERROR; | |
2297 | goto end; | |
2298 | } | |
2299 | ||
2300 | /* Open output element */ | |
28ab034a | 2301 | ret = mi_lttng_writer_open_element(the_writer, mi_lttng_element_command_output); |
fb14d0d8 JR |
2302 | if (ret) { |
2303 | ret = CMD_ERROR; | |
2304 | goto end; | |
2305 | } | |
2306 | } | |
2307 | ||
9f19cc17 | 2308 | /* Get session name (trailing argument) */ |
5b915816 MJ |
2309 | arg_session_name = poptGetArg(pc); |
2310 | DBG2("Session name: %s", arg_session_name); | |
9f19cc17 | 2311 | |
68c7f6e5 JD |
2312 | leftover = poptGetArg(pc); |
2313 | if (leftover) { | |
2314 | ERR("Unknown argument: %s", leftover); | |
2315 | ret = CMD_ERROR; | |
2316 | goto end; | |
2317 | } | |
2318 | ||
cd80958d DG |
2319 | if (opt_kernel) { |
2320 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
2321 | } else if (opt_userspace) { |
2322 | DBG2("Listing userspace global domain"); | |
2323 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
2324 | } else if (opt_jul) { |
2325 | DBG2("Listing JUL domain"); | |
2326 | domain.type = LTTNG_DOMAIN_JUL; | |
edf60534 | 2327 | } else if (opt_log4j) { |
5cdb6027 | 2328 | domain.type = LTTNG_DOMAIN_LOG4J; |
0e115563 DG |
2329 | } else if (opt_python) { |
2330 | domain.type = LTTNG_DOMAIN_PYTHON; | |
cd80958d DG |
2331 | } |
2332 | ||
834978fd DG |
2333 | if (!opt_kernel && opt_syscall) { |
2334 | WARN("--syscall will only work with the Kernel domain (-k)"); | |
2335 | ret = CMD_ERROR; | |
2336 | goto end; | |
2337 | } | |
2338 | ||
0e115563 | 2339 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_python) { |
5b915816 | 2340 | the_handle = lttng_create_handle(arg_session_name, &domain); |
41493f4a | 2341 | if (the_handle == NULL) { |
aa5de748 MD |
2342 | ret = CMD_FATAL; |
2343 | goto end; | |
2344 | } | |
cd80958d DG |
2345 | } |
2346 | ||
5b915816 | 2347 | if (arg_session_name == NULL) { |
28ab034a | 2348 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j && !opt_python) { |
b551a063 | 2349 | ret = list_sessions(NULL); |
fb14d0d8 | 2350 | if (ret) { |
b551a063 DG |
2351 | goto end; |
2352 | } | |
2353 | } | |
9f19cc17 | 2354 | if (opt_kernel) { |
834978fd DG |
2355 | if (opt_syscall) { |
2356 | ret = list_syscalls(); | |
2357 | if (ret) { | |
2358 | goto end; | |
2359 | } | |
2360 | } else { | |
2361 | ret = list_kernel_events(); | |
2362 | if (ret) { | |
2363 | goto end; | |
2364 | } | |
9f19cc17 | 2365 | } |
b551a063 DG |
2366 | } |
2367 | if (opt_userspace) { | |
f37d259d MD |
2368 | if (opt_fields) { |
2369 | ret = list_ust_event_fields(); | |
2370 | } else { | |
2371 | ret = list_ust_events(); | |
2372 | } | |
fb14d0d8 | 2373 | if (ret) { |
9f19cc17 DG |
2374 | goto end; |
2375 | } | |
2376 | } | |
0e115563 | 2377 | if (opt_jul || opt_log4j || opt_python) { |
5cdb6027 | 2378 | ret = list_agent_events(); |
fb14d0d8 | 2379 | if (ret) { |
3c6a091f DG |
2380 | goto end; |
2381 | } | |
2382 | } | |
9f19cc17 DG |
2383 | } else { |
2384 | /* List session attributes */ | |
fb14d0d8 JR |
2385 | if (lttng_opt_mi) { |
2386 | /* Open element sessions | |
2387 | * Present for xml consistency */ | |
41493f4a | 2388 | ret = mi_lttng_sessions_open(the_writer); |
fb14d0d8 JR |
2389 | if (ret) { |
2390 | goto end; | |
2391 | } | |
2392 | } | |
2393 | /* MI: the ouptut of list_sessions is an unclosed session element */ | |
5b915816 | 2394 | ret = list_sessions(arg_session_name); |
fb14d0d8 | 2395 | if (ret) { |
9f19cc17 DG |
2396 | goto end; |
2397 | } | |
2398 | ||
5b915816 | 2399 | ret = list_rotate_settings(arg_session_name); |
329f3443 JD |
2400 | if (ret) { |
2401 | goto end; | |
2402 | } | |
2403 | ||
9f19cc17 DG |
2404 | /* Domain listing */ |
2405 | if (opt_domain) { | |
5b915816 | 2406 | ret = list_domains(arg_session_name); |
9f19cc17 DG |
2407 | goto end; |
2408 | } | |
2409 | ||
fb14d0d8 | 2410 | /* Channel listing */ |
1c3de747 | 2411 | if (opt_kernel || opt_userspace) { |
fb14d0d8 JR |
2412 | if (lttng_opt_mi) { |
2413 | /* Add of domains and domain element for xml | |
2414 | * consistency and validation | |
2415 | */ | |
41493f4a | 2416 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
2417 | if (ret) { |
2418 | goto end; | |
2419 | } | |
2420 | ||
2421 | /* Open domain and leave it open for | |
2422 | * nested channels printing */ | |
41493f4a | 2423 | ret = mi_lttng_domain(the_writer, &domain, 1); |
fb14d0d8 JR |
2424 | if (ret) { |
2425 | goto end; | |
2426 | } | |
fb14d0d8 JR |
2427 | } |
2428 | ||
ebbf5ab7 | 2429 | /* Trackers */ |
83d6d6c4 | 2430 | ret = list_trackers(&domain); |
a5dfbb9d MD |
2431 | if (ret) { |
2432 | goto end; | |
2433 | } | |
2434 | ||
ebbf5ab7 | 2435 | /* Channels */ |
cd80958d | 2436 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
2437 | if (ret) { |
2438 | goto end; | |
2439 | } | |
2440 | ||
2441 | if (lttng_opt_mi) { | |
2442 | /* Close domain and domain element */ | |
28ab034a | 2443 | ret = mi_lttng_close_multi_element(the_writer, 2); |
fb14d0d8 JR |
2444 | } |
2445 | if (ret) { | |
9f19cc17 DG |
2446 | goto end; |
2447 | } | |
fb14d0d8 | 2448 | |
9f19cc17 | 2449 | } else { |
c617c0c6 MD |
2450 | int i, nb_domain; |
2451 | ||
9f19cc17 | 2452 | /* We want all domain(s) */ |
5b915816 | 2453 | nb_domain = lttng_list_domains(arg_session_name, &domains); |
b551a063 | 2454 | if (nb_domain < 0) { |
fb14d0d8 JR |
2455 | ret = CMD_ERROR; |
2456 | ERR("%s", lttng_strerror(nb_domain)); | |
9f19cc17 DG |
2457 | goto end; |
2458 | } | |
2459 | ||
fb14d0d8 | 2460 | if (lttng_opt_mi) { |
41493f4a | 2461 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
2462 | if (ret) { |
2463 | ret = CMD_ERROR; | |
2464 | goto end; | |
2465 | } | |
2466 | } | |
2467 | ||
b551a063 | 2468 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
2469 | switch (domains[i].type) { |
2470 | case LTTNG_DOMAIN_KERNEL: | |
ac41e67e | 2471 | MSG("=== Domain: Linux kernel ===\n"); |
9f19cc17 | 2472 | break; |
b551a063 | 2473 | case LTTNG_DOMAIN_UST: |
ac41e67e | 2474 | MSG("=== Domain: User space ===\n"); |
74707e6e | 2475 | MSG("Buffering scheme: %s\n", |
28ab034a JG |
2476 | domains[i].buf_type == LTTNG_BUFFER_PER_PID ? |
2477 | "per-process" : | |
2478 | "per-user"); | |
b551a063 | 2479 | break; |
3c6a091f | 2480 | case LTTNG_DOMAIN_JUL: |
ac41e67e | 2481 | MSG("=== Domain: java.util.logging (JUL) ===\n"); |
3c6a091f | 2482 | break; |
5cdb6027 | 2483 | case LTTNG_DOMAIN_LOG4J: |
ac41e67e | 2484 | MSG("=== Domain: log4j ===\n"); |
5cdb6027 | 2485 | break; |
0e115563 | 2486 | case LTTNG_DOMAIN_PYTHON: |
ac41e67e | 2487 | MSG("=== Domain: Python logging ===\n"); |
0e115563 | 2488 | break; |
9f19cc17 DG |
2489 | default: |
2490 | MSG("=== Domain: Unimplemented ===\n"); | |
2491 | break; | |
2492 | } | |
2493 | ||
fb14d0d8 | 2494 | if (lttng_opt_mi) { |
28ab034a | 2495 | ret = mi_lttng_domain(the_writer, &domains[i], 1); |
fb14d0d8 JR |
2496 | if (ret) { |
2497 | ret = CMD_ERROR; | |
2498 | goto end; | |
2499 | } | |
2500 | } | |
2501 | ||
cd80958d | 2502 | /* Clean handle before creating a new one */ |
41493f4a SM |
2503 | if (the_handle) { |
2504 | lttng_destroy_handle(the_handle); | |
aa5de748 | 2505 | } |
cd80958d | 2506 | |
28ab034a | 2507 | the_handle = lttng_create_handle(arg_session_name, &domains[i]); |
41493f4a | 2508 | if (the_handle == NULL) { |
ca1c3607 | 2509 | ret = CMD_FATAL; |
cd80958d DG |
2510 | goto end; |
2511 | } | |
2512 | ||
5cdb6027 | 2513 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
28ab034a JG |
2514 | domains[i].type == LTTNG_DOMAIN_LOG4J || |
2515 | domains[i].type == LTTNG_DOMAIN_PYTHON) { | |
5cdb6027 | 2516 | ret = list_session_agent_events(); |
fb14d0d8 | 2517 | if (ret) { |
3c6a091f DG |
2518 | goto end; |
2519 | } | |
cd7b2927 PP |
2520 | |
2521 | goto next_domain; | |
3c6a091f | 2522 | } |
a5dfbb9d MD |
2523 | |
2524 | switch (domains[i].type) { | |
2525 | case LTTNG_DOMAIN_KERNEL: | |
2526 | case LTTNG_DOMAIN_UST: | |
83d6d6c4 | 2527 | ret = list_trackers(&domains[i]); |
a5dfbb9d MD |
2528 | if (ret) { |
2529 | goto end; | |
2530 | } | |
2531 | break; | |
2532 | default: | |
2533 | break; | |
2534 | } | |
3c6a091f | 2535 | |
cd80958d | 2536 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
2537 | if (ret) { |
2538 | goto end; | |
2539 | } | |
2540 | ||
28ab034a | 2541 | next_domain: |
fb14d0d8 JR |
2542 | if (lttng_opt_mi) { |
2543 | /* Close domain element */ | |
28ab034a | 2544 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
2545 | if (ret) { |
2546 | ret = CMD_ERROR; | |
2547 | goto end; | |
2548 | } | |
2549 | } | |
fb14d0d8 JR |
2550 | } |
2551 | if (lttng_opt_mi) { | |
2552 | /* Close the domains, session and sessions element */ | |
28ab034a | 2553 | ret = mi_lttng_close_multi_element(the_writer, 3); |
fb14d0d8 JR |
2554 | if (ret) { |
2555 | ret = CMD_ERROR; | |
9f19cc17 DG |
2556 | goto end; |
2557 | } | |
2558 | } | |
2559 | } | |
f3ed775e DG |
2560 | } |
2561 | ||
fb14d0d8 JR |
2562 | /* Mi closing */ |
2563 | if (lttng_opt_mi) { | |
2564 | /* Close output element */ | |
41493f4a | 2565 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
2566 | if (ret) { |
2567 | ret = CMD_ERROR; | |
2568 | goto end; | |
2569 | } | |
2570 | ||
2571 | /* Command element close */ | |
41493f4a | 2572 | ret = mi_lttng_writer_command_close(the_writer); |
fb14d0d8 JR |
2573 | if (ret) { |
2574 | ret = CMD_ERROR; | |
2575 | goto end; | |
2576 | } | |
2577 | } | |
f3ed775e | 2578 | end: |
fb14d0d8 | 2579 | /* Mi clean-up */ |
41493f4a | 2580 | if (the_writer && mi_lttng_writer_destroy(the_writer)) { |
fb14d0d8 JR |
2581 | /* Preserve original error code */ |
2582 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
2583 | } | |
2584 | ||
0e428499 | 2585 | free(domains); |
41493f4a SM |
2586 | if (the_handle) { |
2587 | lttng_destroy_handle(the_handle); | |
aa5de748 | 2588 | } |
cd80958d | 2589 | |
ca1c3607 | 2590 | poptFreeContext(pc); |
f3ed775e DG |
2591 | return ret; |
2592 | } |