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 |
9f19cc17 | 11 | #include <inttypes.h> |
f3ed775e DG |
12 | #include <popt.h> |
13 | #include <stdio.h> | |
14 | #include <stdlib.h> | |
15 | #include <string.h> | |
16 | ||
fb14d0d8 | 17 | #include <common/mi-lttng.h> |
5b89fc92 | 18 | #include <common/time.h> |
159b042f | 19 | #include <common/tracker.h> |
1004b719 | 20 | #include <lttng/domain-internal.h> |
050dd639 | 21 | #include <lttng/lttng.h> |
fb14d0d8 | 22 | |
c399183f | 23 | #include "../command.h" |
f3ed775e | 24 | |
9f19cc17 DG |
25 | static int opt_userspace; |
26 | static int opt_kernel; | |
3c6a091f | 27 | static int opt_jul; |
5cdb6027 | 28 | static int opt_log4j; |
0e115563 | 29 | static int opt_python; |
9f19cc17 DG |
30 | static char *opt_channel; |
31 | static int opt_domain; | |
f37d259d | 32 | static int opt_fields; |
834978fd | 33 | static int opt_syscall; |
9f19cc17 DG |
34 | |
35 | const char *indent4 = " "; | |
36 | const char *indent6 = " "; | |
37 | const char *indent8 = " "; | |
f3ed775e | 38 | |
4fc83d94 PP |
39 | #ifdef LTTNG_EMBED_HELP |
40 | static const char help_msg[] = | |
41 | #include <lttng-list.1.h> | |
42 | ; | |
43 | #endif | |
44 | ||
f3ed775e DG |
45 | enum { |
46 | OPT_HELP = 1, | |
eeac7d46 | 47 | OPT_USERSPACE, |
679b4943 | 48 | OPT_LIST_OPTIONS, |
f3ed775e DG |
49 | }; |
50 | ||
41493f4a SM |
51 | static struct lttng_handle *the_handle; |
52 | static struct mi_writer *the_writer; | |
cd80958d | 53 | |
e50e81d3 | 54 | /* Only set when listing a single session. */ |
41493f4a | 55 | static struct lttng_session the_listed_session; |
e50e81d3 | 56 | |
f3ed775e DG |
57 | static struct poptOption long_options[] = { |
58 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
2fa605f7 JG |
59 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, |
60 | {"kernel", 'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0}, | |
61 | {"jul", 'j', POPT_ARG_VAL, &opt_jul, 1, 0, 0}, | |
62 | {"log4j", 'l', POPT_ARG_VAL, &opt_log4j, 1, 0, 0}, | |
63 | {"python", 'p', POPT_ARG_VAL, &opt_python, 1, 0, 0}, | |
64 | {"userspace", 'u', POPT_ARG_NONE, 0, OPT_USERSPACE, 0, 0}, | |
65 | {"channel", 'c', POPT_ARG_STRING, &opt_channel, 0, 0, 0}, | |
66 | {"domain", 'd', POPT_ARG_VAL, &opt_domain, 1, 0, 0}, | |
67 | {"fields", 'f', POPT_ARG_VAL, &opt_fields, 1, 0, 0}, | |
68 | {"syscall", 'S', POPT_ARG_VAL, &opt_syscall, 1, 0, 0}, | |
679b4943 | 69 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
f3ed775e DG |
70 | {0, 0, 0, 0, 0, 0, 0} |
71 | }; | |
72 | ||
f3ed775e | 73 | /* |
9f19cc17 | 74 | * Get command line from /proc for a specific pid. |
f3ed775e | 75 | * |
9f19cc17 DG |
76 | * On success, return an allocated string pointer to the proc cmdline. |
77 | * On error, return NULL. | |
f3ed775e DG |
78 | */ |
79 | static char *get_cmdline_by_pid(pid_t pid) | |
80 | { | |
81 | int ret; | |
1ad31aec | 82 | FILE *fp = NULL; |
f3ed775e | 83 | char *cmdline = NULL; |
fae9a062 JG |
84 | /* Can't go bigger than /proc/LTTNG_MAX_PID/cmdline */ |
85 | char path[sizeof("/proc//cmdline") + sizeof(LTTNG_MAX_PID_STR) - 1]; | |
f3ed775e DG |
86 | |
87 | snprintf(path, sizeof(path), "/proc/%d/cmdline", pid); | |
88 | fp = fopen(path, "r"); | |
89 | if (fp == NULL) { | |
90 | goto end; | |
91 | } | |
92 | ||
93 | /* Caller must free() *cmdline */ | |
48a40005 | 94 | cmdline = (char *) zmalloc(PATH_MAX); |
f6962219 | 95 | if (!cmdline) { |
6f04ed72 | 96 | PERROR("malloc cmdline"); |
f6962219 JG |
97 | goto end; |
98 | } | |
f3ed775e | 99 | ret = fread(cmdline, 1, PATH_MAX, fp); |
f40799e8 | 100 | if (ret < 0) { |
6f04ed72 | 101 | PERROR("fread proc list"); |
f40799e8 | 102 | } |
f3ed775e DG |
103 | |
104 | end: | |
1ad31aec DG |
105 | if (fp) { |
106 | fclose(fp); | |
107 | } | |
f3ed775e DG |
108 | return cmdline; |
109 | } | |
b551a063 | 110 | |
464dd62d MD |
111 | static |
112 | const char *active_string(int value) | |
113 | { | |
114 | switch (value) { | |
2cbf8fed DG |
115 | case 0: return "inactive"; |
116 | case 1: return "active"; | |
464dd62d MD |
117 | case -1: return ""; |
118 | default: return NULL; | |
119 | } | |
120 | } | |
121 | ||
2cbf8fed DG |
122 | static const char *snapshot_string(int value) |
123 | { | |
124 | switch (value) { | |
125 | case 1: | |
126 | return " snapshot"; | |
127 | default: | |
128 | return ""; | |
129 | } | |
130 | } | |
131 | ||
464dd62d MD |
132 | static |
133 | const char *enabled_string(int value) | |
134 | { | |
135 | switch (value) { | |
b09f0429 MD |
136 | case 0: return " [disabled]"; |
137 | case 1: return " [enabled]"; | |
464dd62d MD |
138 | case -1: return ""; |
139 | default: return NULL; | |
140 | } | |
141 | } | |
142 | ||
fceb65df | 143 | static |
7b4a95b1 | 144 | const char *safe_string(const char *str) |
fceb65df | 145 | { |
7b4a95b1 | 146 | return str ? str : ""; |
4634f12e JI |
147 | } |
148 | ||
1f0e17de DG |
149 | static const char *logleveltype_string(enum lttng_loglevel_type value) |
150 | { | |
151 | switch (value) { | |
af6bce80 DG |
152 | case LTTNG_EVENT_LOGLEVEL_ALL: |
153 | return ":"; | |
1f0e17de | 154 | case LTTNG_EVENT_LOGLEVEL_RANGE: |
af6bce80 | 155 | return " <="; |
1f0e17de | 156 | case LTTNG_EVENT_LOGLEVEL_SINGLE: |
af6bce80 | 157 | return " =="; |
1f0e17de | 158 | default: |
af6bce80 | 159 | return " <<TYPE UNKN>>"; |
1f0e17de DG |
160 | } |
161 | } | |
162 | ||
834978fd DG |
163 | static const char *bitness_event(enum lttng_event_flag flags) |
164 | { | |
165 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_32) { | |
166 | if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
167 | return " [32/64-bit]"; | |
168 | } else { | |
169 | return " [32-bit]"; | |
170 | } | |
171 | } else if (flags & LTTNG_EVENT_FLAG_SYSCALL_64) { | |
172 | return " [64-bit]"; | |
173 | } else { | |
174 | return ""; | |
175 | } | |
176 | } | |
177 | ||
7b4a95b1 PP |
178 | /* |
179 | * Get exclusion names message for a single event. | |
180 | * | |
181 | * Returned pointer must be freed by caller. Returns NULL on error. | |
182 | */ | |
183 | static char *get_exclusion_names_msg(struct lttng_event *event) | |
184 | { | |
185 | int ret; | |
186 | int exclusion_count; | |
187 | char *exclusion_msg = NULL; | |
188 | char *at; | |
7b4a95b1 PP |
189 | size_t i; |
190 | const char * const exclusion_fmt = " [exclusions: "; | |
19ed7632 | 191 | const size_t exclusion_fmt_len = strlen(exclusion_fmt); |
7b4a95b1 PP |
192 | |
193 | exclusion_count = lttng_event_get_exclusion_name_count(event); | |
194 | if (exclusion_count < 0) { | |
195 | goto end; | |
196 | } else if (exclusion_count == 0) { | |
197 | /* | |
198 | * No exclusions: return copy of empty string so that | |
199 | * it can be freed by caller. | |
200 | */ | |
201 | exclusion_msg = strdup(""); | |
202 | goto end; | |
203 | } | |
204 | ||
205 | /* | |
206 | * exclusion_msg's size is bounded by the exclusion_fmt string, | |
207 | * a comma per entry, the entry count (fixed-size), a closing | |
208 | * bracket, and a trailing \0. | |
209 | */ | |
48a40005 | 210 | exclusion_msg = (char *) malloc(exclusion_count + |
7b4a95b1 | 211 | exclusion_count * LTTNG_SYMBOL_NAME_LEN + |
19ed7632 | 212 | exclusion_fmt_len + 1); |
7b4a95b1 PP |
213 | if (!exclusion_msg) { |
214 | goto end; | |
215 | } | |
216 | ||
19ed7632 | 217 | at = strcpy(exclusion_msg, exclusion_fmt) + exclusion_fmt_len; |
7b4a95b1 PP |
218 | for (i = 0; i < exclusion_count; ++i) { |
219 | const char *name; | |
220 | ||
221 | /* Append comma between exclusion names */ | |
222 | if (i > 0) { | |
223 | *at = ','; | |
224 | at++; | |
225 | } | |
226 | ||
227 | ret = lttng_event_get_exclusion_name(event, i, &name); | |
228 | if (ret) { | |
229 | /* Prints '?' on local error; should never happen */ | |
230 | *at = '?'; | |
231 | at++; | |
232 | continue; | |
233 | } | |
234 | ||
235 | /* Append exclusion name */ | |
31e40170 | 236 | at += sprintf(at, "%s", name); |
7b4a95b1 PP |
237 | } |
238 | ||
239 | /* This also puts a final '\0' at the end of exclusion_msg */ | |
19ed7632 | 240 | strcpy(at, "]"); |
7b4a95b1 PP |
241 | |
242 | end: | |
243 | return exclusion_msg; | |
244 | } | |
245 | ||
b955b4d4 FD |
246 | static void print_userspace_probe_location(struct lttng_event *event) |
247 | { | |
87597c2c JG |
248 | const struct lttng_userspace_probe_location *location; |
249 | const struct lttng_userspace_probe_location_lookup_method *lookup_method; | |
b955b4d4 FD |
250 | enum lttng_userspace_probe_location_lookup_method_type lookup_type; |
251 | ||
252 | location = lttng_event_get_userspace_probe_location(event); | |
253 | if (!location) { | |
254 | MSG("Event has no userspace probe location"); | |
255 | return; | |
256 | } | |
257 | ||
258 | lookup_method = lttng_userspace_probe_location_get_lookup_method(location); | |
259 | if (!lookup_method) { | |
260 | MSG("Event has no userspace probe location lookup method"); | |
261 | return; | |
262 | } | |
263 | ||
264 | MSG("%s%s (type: userspace-probe)%s", indent6, event->name, enabled_string(event->enabled)); | |
265 | ||
266 | lookup_type = lttng_userspace_probe_location_lookup_method_get_type(lookup_method); | |
267 | ||
268 | switch (lttng_userspace_probe_location_get_type(location)) { | |
269 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_UNKNOWN: | |
270 | MSG("%sType: Unknown", indent8); | |
271 | break; | |
272 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_FUNCTION: | |
273 | { | |
274 | const char *function_name; | |
4df1f2d4 | 275 | char *binary_path; |
b955b4d4 FD |
276 | |
277 | MSG("%sType: Function", indent8); | |
278 | function_name = lttng_userspace_probe_location_function_get_function_name(location); | |
279 | binary_path = realpath(lttng_userspace_probe_location_function_get_binary_path(location), NULL); | |
280 | ||
281 | MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL"); | |
282 | MSG("%sFunction: %s()", indent8, function_name ? function_name : "NULL"); | |
283 | switch (lookup_type) { | |
284 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_ELF: | |
285 | MSG("%sLookup method: ELF", indent8); | |
286 | break; | |
287 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_FUNCTION_DEFAULT: | |
288 | MSG("%sLookup method: default", indent8); | |
289 | break; | |
290 | default: | |
291 | MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8); | |
292 | break; | |
293 | } | |
4df1f2d4 JG |
294 | |
295 | free(binary_path); | |
b955b4d4 FD |
296 | break; |
297 | } | |
298 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT: | |
299 | { | |
300 | const char *probe_name, *provider_name; | |
4df1f2d4 | 301 | char *binary_path; |
b955b4d4 FD |
302 | |
303 | MSG("%sType: Tracepoint", indent8); | |
304 | probe_name = lttng_userspace_probe_location_tracepoint_get_probe_name(location); | |
305 | provider_name = lttng_userspace_probe_location_tracepoint_get_provider_name(location); | |
306 | binary_path = realpath(lttng_userspace_probe_location_tracepoint_get_binary_path(location), NULL); | |
307 | MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL"); | |
308 | MSG("%sTracepoint: %s:%s", indent8, provider_name ? provider_name : "NULL", probe_name ? probe_name : "NULL"); | |
309 | switch (lookup_type) { | |
310 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_TRACEPOINT_SDT: | |
311 | MSG("%sLookup method: SDT", indent8); | |
312 | break; | |
313 | default: | |
314 | MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8); | |
315 | break; | |
316 | } | |
4df1f2d4 JG |
317 | |
318 | free(binary_path); | |
b955b4d4 FD |
319 | break; |
320 | } | |
321 | default: | |
322 | ERR("Invalid probe type encountered"); | |
323 | } | |
324 | } | |
325 | ||
b551a063 DG |
326 | /* |
327 | * Pretty print single event. | |
328 | */ | |
329 | static void print_events(struct lttng_event *event) | |
330 | { | |
4adbcc72 PP |
331 | int ret; |
332 | const char *filter_str; | |
333 | char *filter_msg = NULL; | |
7b4a95b1 | 334 | char *exclusion_msg = NULL; |
4adbcc72 | 335 | |
134e72ed | 336 | ret = lttng_event_get_filter_expression(event, &filter_str); |
4adbcc72 PP |
337 | |
338 | if (ret) { | |
339 | filter_msg = strdup(" [failed to retrieve filter]"); | |
340 | } else if (filter_str) { | |
411b3154 SM |
341 | if (asprintf(&filter_msg, " [filter: '%s']", filter_str) == -1) { |
342 | filter_msg = NULL; | |
4adbcc72 PP |
343 | } |
344 | } | |
345 | ||
7b4a95b1 PP |
346 | exclusion_msg = get_exclusion_names_msg(event); |
347 | if (!exclusion_msg) { | |
348 | exclusion_msg = strdup(" [failed to retrieve exclusions]"); | |
349 | } | |
350 | ||
b551a063 DG |
351 | switch (event->type) { |
352 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 353 | { |
8b703175 | 354 | if (event->loglevel != -1) { |
af6bce80 | 355 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
41493f4a SM |
356 | indent6, event->name, |
357 | logleveltype_string( | |
358 | event->loglevel_type), | |
359 | mi_lttng_loglevel_string( | |
360 | event->loglevel, | |
361 | the_handle->domain.type), | |
362 | event->loglevel, | |
363 | enabled_string(event->enabled), | |
364 | safe_string(exclusion_msg), | |
365 | safe_string(filter_msg)); | |
8b703175 | 366 | } else { |
4634f12e | 367 | MSG("%s%s (type: tracepoint)%s%s%s", |
8b703175 MD |
368 | indent6, |
369 | event->name, | |
fceb65df | 370 | enabled_string(event->enabled), |
7b4a95b1 PP |
371 | safe_string(exclusion_msg), |
372 | safe_string(filter_msg)); | |
8b703175 | 373 | } |
b551a063 | 374 | break; |
e4baff1e | 375 | } |
1896972b DG |
376 | case LTTNG_EVENT_FUNCTION: |
377 | MSG("%s%s (type: function)%s%s", indent6, | |
378 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 379 | safe_string(filter_msg)); |
1896972b DG |
380 | if (event->attr.probe.addr != 0) { |
381 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
382 | } else { | |
383 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
384 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
385 | } | |
386 | break; | |
b551a063 | 387 | case LTTNG_EVENT_PROBE: |
fceb65df MD |
388 | MSG("%s%s (type: probe)%s%s", indent6, |
389 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 390 | safe_string(filter_msg)); |
b551a063 DG |
391 | if (event->attr.probe.addr != 0) { |
392 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
393 | } else { | |
394 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
395 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
396 | } | |
397 | break; | |
b955b4d4 FD |
398 | case LTTNG_EVENT_USERSPACE_PROBE: |
399 | print_userspace_probe_location(event); | |
400 | break; | |
b551a063 | 401 | case LTTNG_EVENT_FUNCTION_ENTRY: |
fceb65df MD |
402 | MSG("%s%s (type: function)%s%s", indent6, |
403 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 404 | safe_string(filter_msg)); |
b551a063 DG |
405 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
406 | break; | |
407 | case LTTNG_EVENT_SYSCALL: | |
2199ad66 | 408 | MSG("%s%s%s%s%s%s", indent6, event->name, |
834978fd | 409 | (opt_syscall ? "" : " (type:syscall)"), |
fceb65df | 410 | enabled_string(event->enabled), |
2199ad66 JG |
411 | bitness_event(event->flags), |
412 | safe_string(filter_msg)); | |
b551a063 DG |
413 | break; |
414 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
415 | MSG("%s (type: noop)%s%s", indent6, |
416 | enabled_string(event->enabled), | |
7b4a95b1 | 417 | safe_string(filter_msg)); |
b551a063 DG |
418 | break; |
419 | case LTTNG_EVENT_ALL: | |
410b78a0 FD |
420 | /* Fall-through. */ |
421 | default: | |
b551a063 | 422 | /* We should never have "all" events in list. */ |
a0377dfe | 423 | abort(); |
b551a063 DG |
424 | break; |
425 | } | |
4adbcc72 PP |
426 | |
427 | free(filter_msg); | |
7b4a95b1 | 428 | free(exclusion_msg); |
b551a063 DG |
429 | } |
430 | ||
f37d259d MD |
431 | static const char *field_type(struct lttng_event_field *field) |
432 | { | |
433 | switch(field->type) { | |
434 | case LTTNG_EVENT_FIELD_INTEGER: | |
435 | return "integer"; | |
436 | case LTTNG_EVENT_FIELD_ENUM: | |
437 | return "enum"; | |
438 | case LTTNG_EVENT_FIELD_FLOAT: | |
439 | return "float"; | |
440 | case LTTNG_EVENT_FIELD_STRING: | |
441 | return "string"; | |
442 | case LTTNG_EVENT_FIELD_OTHER: | |
443 | default: /* fall-through */ | |
444 | return "unknown"; | |
445 | } | |
446 | } | |
447 | ||
448 | /* | |
449 | * Pretty print single event fields. | |
450 | */ | |
451 | static void print_event_field(struct lttng_event_field *field) | |
452 | { | |
453 | if (!field->field_name[0]) { | |
454 | return; | |
455 | } | |
d8fbe2a9 | 456 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 457 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
458 | } |
459 | ||
fb14d0d8 JR |
460 | /* |
461 | * Machine interface | |
462 | * Jul and ust event listing | |
463 | */ | |
5cdb6027 | 464 | static int mi_list_agent_ust_events(struct lttng_event *events, int count, |
fb14d0d8 JR |
465 | struct lttng_domain *domain) |
466 | { | |
467 | int ret, i; | |
468 | pid_t cur_pid = 0; | |
469 | char *cmdline = NULL; | |
470 | int pid_element_open = 0; | |
471 | ||
472 | /* Open domains element */ | |
41493f4a | 473 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
474 | if (ret) { |
475 | goto end; | |
476 | } | |
477 | ||
478 | /* Write domain */ | |
41493f4a | 479 | ret = mi_lttng_domain(the_writer, domain, 1); |
fb14d0d8 JR |
480 | if (ret) { |
481 | goto end; | |
482 | } | |
483 | ||
bf239d4c | 484 | /* Open pids element element */ |
41493f4a | 485 | ret = mi_lttng_pids_open(the_writer); |
fb14d0d8 JR |
486 | if (ret) { |
487 | goto end; | |
488 | } | |
489 | ||
490 | for (i = 0; i < count; i++) { | |
491 | if (cur_pid != events[i].pid) { | |
492 | if (pid_element_open) { | |
2e9aecb9 | 493 | /* Close the previous events and pid element */ |
41493f4a SM |
494 | ret = mi_lttng_close_multi_element( |
495 | the_writer, 2); | |
fb14d0d8 JR |
496 | if (ret) { |
497 | goto end; | |
498 | } | |
499 | pid_element_open = 0; | |
500 | } | |
501 | ||
502 | cur_pid = events[i].pid; | |
503 | cmdline = get_cmdline_by_pid(cur_pid); | |
504 | if (!cmdline) { | |
505 | ret = CMD_ERROR; | |
506 | goto end; | |
507 | } | |
508 | ||
509 | if (!pid_element_open) { | |
510 | /* Open and write a pid element */ | |
41493f4a SM |
511 | ret = mi_lttng_pid(the_writer, cur_pid, cmdline, |
512 | 1); | |
fb14d0d8 JR |
513 | if (ret) { |
514 | goto error; | |
515 | } | |
516 | ||
517 | /* Open events element */ | |
41493f4a | 518 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 JR |
519 | if (ret) { |
520 | goto error; | |
521 | } | |
522 | ||
523 | pid_element_open = 1; | |
524 | } | |
525 | free(cmdline); | |
526 | } | |
527 | ||
528 | /* Write an event */ | |
41493f4a SM |
529 | ret = mi_lttng_event(the_writer, &events[i], 0, |
530 | the_handle->domain.type); | |
fb14d0d8 JR |
531 | if (ret) { |
532 | goto end; | |
533 | } | |
534 | } | |
535 | ||
bf239d4c | 536 | /* Close pids */ |
41493f4a | 537 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
538 | if (ret) { |
539 | goto end; | |
540 | } | |
541 | ||
542 | /* Close domain, domains */ | |
41493f4a | 543 | ret = mi_lttng_close_multi_element(the_writer, 2); |
fb14d0d8 JR |
544 | end: |
545 | return ret; | |
546 | error: | |
547 | free(cmdline); | |
548 | return ret; | |
549 | } | |
550 | ||
5cdb6027 | 551 | static int list_agent_events(void) |
3c6a091f | 552 | { |
fb14d0d8 | 553 | int i, size, ret = CMD_SUCCESS; |
3c6a091f | 554 | struct lttng_domain domain; |
26c610c9 | 555 | struct lttng_handle *handle = NULL; |
469b972b | 556 | struct lttng_event *event_list = NULL; |
3c6a091f DG |
557 | pid_t cur_pid = 0; |
558 | char *cmdline = NULL; | |
5cdb6027 | 559 | const char *agent_domain_str; |
3c6a091f DG |
560 | |
561 | memset(&domain, 0, sizeof(domain)); | |
5cdb6027 DG |
562 | if (opt_jul) { |
563 | domain.type = LTTNG_DOMAIN_JUL; | |
564 | } else if (opt_log4j) { | |
565 | domain.type = LTTNG_DOMAIN_LOG4J; | |
0e115563 DG |
566 | } else if (opt_python) { |
567 | domain.type = LTTNG_DOMAIN_PYTHON; | |
26c610c9 JG |
568 | } else { |
569 | ERR("Invalid agent domain selected."); | |
570 | ret = CMD_ERROR; | |
571 | goto error; | |
5cdb6027 DG |
572 | } |
573 | ||
1004b719 | 574 | agent_domain_str = lttng_domain_type_str(domain.type); |
5cdb6027 DG |
575 | |
576 | DBG("Getting %s tracing events", agent_domain_str); | |
3c6a091f DG |
577 | |
578 | handle = lttng_create_handle(NULL, &domain); | |
579 | if (handle == NULL) { | |
fb14d0d8 JR |
580 | ret = CMD_ERROR; |
581 | goto end; | |
3c6a091f DG |
582 | } |
583 | ||
584 | size = lttng_list_tracepoints(handle, &event_list); | |
585 | if (size < 0) { | |
5cdb6027 DG |
586 | ERR("Unable to list %s events: %s", agent_domain_str, |
587 | lttng_strerror(size)); | |
fb14d0d8 JR |
588 | ret = CMD_ERROR; |
589 | goto end; | |
3c6a091f DG |
590 | } |
591 | ||
fb14d0d8 JR |
592 | if (lttng_opt_mi) { |
593 | /* Mi print */ | |
5cdb6027 | 594 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
595 | if (ret) { |
596 | ret = CMD_ERROR; | |
597 | goto error; | |
3c6a091f | 598 | } |
fb14d0d8 JR |
599 | } else { |
600 | /* Pretty print */ | |
5cdb6027 DG |
601 | MSG("%s events (Logger name):\n-------------------------", |
602 | agent_domain_str); | |
3c6a091f | 603 | |
fb14d0d8 JR |
604 | if (size == 0) { |
605 | MSG("None"); | |
606 | } | |
3c6a091f | 607 | |
fb14d0d8 JR |
608 | for (i = 0; i < size; i++) { |
609 | if (cur_pid != event_list[i].pid) { | |
610 | cur_pid = event_list[i].pid; | |
611 | cmdline = get_cmdline_by_pid(cur_pid); | |
612 | if (cmdline == NULL) { | |
613 | ret = CMD_ERROR; | |
614 | goto error; | |
615 | } | |
616 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
617 | free(cmdline); | |
618 | } | |
619 | MSG("%s- %s", indent6, event_list[i].name); | |
620 | } | |
3c6a091f | 621 | |
fb14d0d8 JR |
622 | MSG(""); |
623 | } | |
3c6a091f DG |
624 | |
625 | error: | |
fb14d0d8 JR |
626 | free(event_list); |
627 | end: | |
3c6a091f | 628 | lttng_destroy_handle(handle); |
fb14d0d8 | 629 | return ret; |
3c6a091f DG |
630 | } |
631 | ||
b551a063 DG |
632 | /* |
633 | * Ask session daemon for all user space tracepoints available. | |
634 | */ | |
635 | static int list_ust_events(void) | |
636 | { | |
fb14d0d8 | 637 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
638 | struct lttng_domain domain; |
639 | struct lttng_handle *handle; | |
bec97646 | 640 | struct lttng_event *event_list = NULL; |
b551a063 | 641 | pid_t cur_pid = 0; |
ea5cbc00 | 642 | char *cmdline = NULL; |
b551a063 | 643 | |
441c16a7 MD |
644 | memset(&domain, 0, sizeof(domain)); |
645 | ||
b551a063 DG |
646 | DBG("Getting UST tracing events"); |
647 | ||
648 | domain.type = LTTNG_DOMAIN_UST; | |
649 | ||
650 | handle = lttng_create_handle(NULL, &domain); | |
651 | if (handle == NULL) { | |
fb14d0d8 JR |
652 | ret = CMD_ERROR; |
653 | goto end; | |
b551a063 DG |
654 | } |
655 | ||
656 | size = lttng_list_tracepoints(handle, &event_list); | |
657 | if (size < 0) { | |
60e835ca | 658 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
fb14d0d8 JR |
659 | ret = CMD_ERROR; |
660 | goto error; | |
b551a063 DG |
661 | } |
662 | ||
fb14d0d8 JR |
663 | if (lttng_opt_mi) { |
664 | /* Mi print */ | |
5cdb6027 | 665 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
666 | } else { |
667 | /* Pretty print */ | |
668 | MSG("UST events:\n-------------"); | |
669 | ||
670 | if (size == 0) { | |
671 | MSG("None"); | |
672 | } | |
673 | ||
674 | for (i = 0; i < size; i++) { | |
675 | if (cur_pid != event_list[i].pid) { | |
676 | cur_pid = event_list[i].pid; | |
677 | cmdline = get_cmdline_by_pid(cur_pid); | |
678 | if (cmdline == NULL) { | |
679 | ret = CMD_ERROR; | |
680 | goto error; | |
681 | } | |
682 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
683 | free(cmdline); | |
684 | } | |
685 | print_events(&event_list[i]); | |
686 | } | |
b551a063 | 687 | |
fb14d0d8 | 688 | MSG(""); |
b551a063 DG |
689 | } |
690 | ||
fb14d0d8 JR |
691 | error: |
692 | free(event_list); | |
693 | end: | |
694 | lttng_destroy_handle(handle); | |
695 | return ret; | |
696 | } | |
697 | ||
698 | /* | |
699 | * Machine interface | |
700 | * List all ust event with their fields | |
701 | */ | |
702 | static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count, | |
703 | struct lttng_domain *domain) | |
704 | { | |
705 | int ret, i; | |
706 | pid_t cur_pid = 0; | |
707 | char *cmdline = NULL; | |
708 | int pid_element_open = 0; | |
709 | int event_element_open = 0; | |
710 | struct lttng_event cur_event; | |
711 | ||
d113fbc8 JR |
712 | memset(&cur_event, 0, sizeof(cur_event)); |
713 | ||
fb14d0d8 | 714 | /* Open domains element */ |
41493f4a | 715 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
716 | if (ret) { |
717 | goto end; | |
718 | } | |
719 | ||
720 | /* Write domain */ | |
41493f4a | 721 | ret = mi_lttng_domain(the_writer, domain, 1); |
fb14d0d8 JR |
722 | if (ret) { |
723 | goto end; | |
724 | } | |
725 | ||
bf239d4c | 726 | /* Open pids element */ |
41493f4a | 727 | ret = mi_lttng_pids_open(the_writer); |
fb14d0d8 JR |
728 | if (ret) { |
729 | goto end; | |
730 | } | |
731 | ||
732 | for (i = 0; i < count; i++) { | |
733 | if (cur_pid != fields[i].event.pid) { | |
734 | if (pid_element_open) { | |
735 | if (event_element_open) { | |
485ca16f | 736 | /* Close the previous field element and event. */ |
41493f4a SM |
737 | ret = mi_lttng_close_multi_element( |
738 | the_writer, 2); | |
fb14d0d8 JR |
739 | if (ret) { |
740 | goto end; | |
741 | } | |
742 | event_element_open = 0; | |
743 | } | |
744 | /* Close the previous events, pid element */ | |
41493f4a SM |
745 | ret = mi_lttng_close_multi_element( |
746 | the_writer, 2); | |
fb14d0d8 JR |
747 | if (ret) { |
748 | goto end; | |
749 | } | |
750 | pid_element_open = 0; | |
751 | } | |
752 | ||
753 | cur_pid = fields[i].event.pid; | |
ea5cbc00 | 754 | cmdline = get_cmdline_by_pid(cur_pid); |
fb14d0d8 | 755 | if (!pid_element_open) { |
bf239d4c | 756 | /* Open and write a pid element */ |
41493f4a SM |
757 | ret = mi_lttng_pid(the_writer, cur_pid, cmdline, |
758 | 1); | |
fb14d0d8 JR |
759 | if (ret) { |
760 | goto error; | |
761 | } | |
762 | ||
763 | /* Open events element */ | |
41493f4a | 764 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 JR |
765 | if (ret) { |
766 | goto error; | |
767 | } | |
768 | pid_element_open = 1; | |
769 | } | |
ea5cbc00 | 770 | free(cmdline); |
fb14d0d8 JR |
771 | /* Wipe current event since we are about to print a new PID. */ |
772 | memset(&cur_event, 0, sizeof(cur_event)); | |
b551a063 | 773 | } |
b551a063 | 774 | |
fb14d0d8 JR |
775 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
776 | if (event_element_open) { | |
777 | /* Close the previous fields element and the previous event */ | |
41493f4a SM |
778 | ret = mi_lttng_close_multi_element( |
779 | the_writer, 2); | |
fb14d0d8 JR |
780 | if (ret) { |
781 | goto end; | |
782 | } | |
783 | event_element_open = 0; | |
784 | } | |
785 | ||
786 | memcpy(&cur_event, &fields[i].event, | |
787 | sizeof(cur_event)); | |
b551a063 | 788 | |
fb14d0d8 JR |
789 | if (!event_element_open) { |
790 | /* Open and write the event */ | |
41493f4a SM |
791 | ret = mi_lttng_event(the_writer, &cur_event, 1, |
792 | the_handle->domain.type); | |
fb14d0d8 JR |
793 | if (ret) { |
794 | goto end; | |
795 | } | |
796 | ||
797 | /* Open a fields element */ | |
41493f4a | 798 | ret = mi_lttng_event_fields_open(the_writer); |
fb14d0d8 JR |
799 | if (ret) { |
800 | goto end; | |
801 | } | |
802 | event_element_open = 1; | |
803 | } | |
804 | } | |
b551a063 | 805 | |
fb14d0d8 | 806 | /* Print the event_field */ |
41493f4a | 807 | ret = mi_lttng_event_field(the_writer, &fields[i]); |
fb14d0d8 JR |
808 | if (ret) { |
809 | goto end; | |
810 | } | |
811 | } | |
b551a063 | 812 | |
83d6d6c4 | 813 | /* Close pids, domain, domains */ |
41493f4a | 814 | ret = mi_lttng_close_multi_element(the_writer, 3); |
fb14d0d8 JR |
815 | end: |
816 | return ret; | |
b551a063 | 817 | error: |
fb14d0d8 JR |
818 | free(cmdline); |
819 | return ret; | |
b551a063 | 820 | } |
f3ed775e | 821 | |
f37d259d MD |
822 | /* |
823 | * Ask session daemon for all user space tracepoint fields available. | |
824 | */ | |
825 | static int list_ust_event_fields(void) | |
826 | { | |
fb14d0d8 | 827 | int i, size, ret = CMD_SUCCESS; |
f37d259d MD |
828 | struct lttng_domain domain; |
829 | struct lttng_handle *handle; | |
830 | struct lttng_event_field *event_field_list; | |
831 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
832 | char *cmdline = NULL; |
833 | ||
f37d259d MD |
834 | struct lttng_event cur_event; |
835 | ||
836 | memset(&domain, 0, sizeof(domain)); | |
837 | memset(&cur_event, 0, sizeof(cur_event)); | |
838 | ||
839 | DBG("Getting UST tracing event fields"); | |
840 | ||
841 | domain.type = LTTNG_DOMAIN_UST; | |
842 | ||
843 | handle = lttng_create_handle(NULL, &domain); | |
844 | if (handle == NULL) { | |
fb14d0d8 JR |
845 | ret = CMD_ERROR; |
846 | goto end; | |
f37d259d MD |
847 | } |
848 | ||
849 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
850 | if (size < 0) { | |
60e835ca | 851 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
fb14d0d8 JR |
852 | ret = CMD_ERROR; |
853 | goto end; | |
f37d259d MD |
854 | } |
855 | ||
fb14d0d8 JR |
856 | if (lttng_opt_mi) { |
857 | /* Mi print */ | |
858 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); | |
859 | if (ret) { | |
860 | ret = CMD_ERROR; | |
861 | goto error; | |
862 | } | |
863 | } else { | |
864 | /* Pretty print */ | |
865 | MSG("UST events:\n-------------"); | |
f37d259d | 866 | |
fb14d0d8 JR |
867 | if (size == 0) { |
868 | MSG("None"); | |
f37d259d | 869 | } |
fb14d0d8 JR |
870 | |
871 | for (i = 0; i < size; i++) { | |
872 | if (cur_pid != event_field_list[i].event.pid) { | |
873 | cur_pid = event_field_list[i].event.pid; | |
874 | cmdline = get_cmdline_by_pid(cur_pid); | |
875 | if (cmdline == NULL) { | |
876 | ret = CMD_ERROR; | |
877 | goto error; | |
878 | } | |
879 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
880 | free(cmdline); | |
881 | /* Wipe current event since we are about to print a new PID. */ | |
882 | memset(&cur_event, 0, sizeof(cur_event)); | |
883 | } | |
884 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
885 | print_events(&event_field_list[i].event); | |
886 | memcpy(&cur_event, &event_field_list[i].event, | |
887 | sizeof(cur_event)); | |
888 | } | |
889 | print_event_field(&event_field_list[i]); | |
f37d259d | 890 | } |
f37d259d | 891 | |
fb14d0d8 JR |
892 | MSG(""); |
893 | } | |
f37d259d | 894 | |
fb14d0d8 | 895 | error: |
f37d259d | 896 | free(event_field_list); |
fb14d0d8 | 897 | end: |
f37d259d | 898 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
899 | return ret; |
900 | } | |
f37d259d | 901 | |
fb14d0d8 JR |
902 | /* |
903 | * Machine interface | |
904 | * Print a list of kernel events | |
905 | */ | |
906 | static int mi_list_kernel_events(struct lttng_event *events, int count, | |
907 | struct lttng_domain *domain) | |
908 | { | |
909 | int ret, i; | |
f37d259d | 910 | |
fb14d0d8 | 911 | /* Open domains element */ |
41493f4a | 912 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
913 | if (ret) { |
914 | goto end; | |
915 | } | |
916 | ||
917 | /* Write domain */ | |
41493f4a | 918 | ret = mi_lttng_domain(the_writer, domain, 1); |
fb14d0d8 JR |
919 | if (ret) { |
920 | goto end; | |
921 | } | |
922 | ||
923 | /* Open events */ | |
41493f4a | 924 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 JR |
925 | if (ret) { |
926 | goto end; | |
927 | } | |
928 | ||
929 | for (i = 0; i < count; i++) { | |
41493f4a SM |
930 | ret = mi_lttng_event(the_writer, &events[i], 0, |
931 | the_handle->domain.type); | |
fb14d0d8 JR |
932 | if (ret) { |
933 | goto end; | |
934 | } | |
935 | } | |
936 | ||
937 | /* close events, domain and domains */ | |
41493f4a | 938 | ret = mi_lttng_close_multi_element(the_writer, 3); |
fb14d0d8 JR |
939 | if (ret) { |
940 | goto end; | |
941 | } | |
942 | ||
943 | end: | |
944 | return ret; | |
f37d259d MD |
945 | } |
946 | ||
f3ed775e | 947 | /* |
fb14d0d8 | 948 | * Ask for all trace events in the kernel |
f3ed775e | 949 | */ |
9f19cc17 | 950 | static int list_kernel_events(void) |
f3ed775e | 951 | { |
fb14d0d8 | 952 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
953 | struct lttng_domain domain; |
954 | struct lttng_handle *handle; | |
9f19cc17 | 955 | struct lttng_event *event_list; |
f3ed775e | 956 | |
441c16a7 MD |
957 | memset(&domain, 0, sizeof(domain)); |
958 | ||
b551a063 DG |
959 | DBG("Getting kernel tracing events"); |
960 | ||
961 | domain.type = LTTNG_DOMAIN_KERNEL; | |
962 | ||
963 | handle = lttng_create_handle(NULL, &domain); | |
964 | if (handle == NULL) { | |
fb14d0d8 | 965 | ret = CMD_ERROR; |
b551a063 DG |
966 | goto error; |
967 | } | |
f3ed775e | 968 | |
cd80958d | 969 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 970 | if (size < 0) { |
60e835ca | 971 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 972 | lttng_destroy_handle(handle); |
fb14d0d8 | 973 | return CMD_ERROR; |
f3ed775e DG |
974 | } |
975 | ||
fb14d0d8 JR |
976 | if (lttng_opt_mi) { |
977 | /* Mi print */ | |
978 | ret = mi_list_kernel_events(event_list, size, &domain); | |
979 | if (ret) { | |
980 | ret = CMD_ERROR; | |
981 | goto end; | |
982 | } | |
983 | } else { | |
984 | MSG("Kernel events:\n-------------"); | |
f3ed775e | 985 | |
fb14d0d8 JR |
986 | for (i = 0; i < size; i++) { |
987 | print_events(&event_list[i]); | |
988 | } | |
f3ed775e | 989 | |
fb14d0d8 JR |
990 | MSG(""); |
991 | } | |
b551a063 | 992 | |
fb14d0d8 | 993 | end: |
f3ed775e DG |
994 | free(event_list); |
995 | ||
ef021732 | 996 | lttng_destroy_handle(handle); |
fb14d0d8 | 997 | return ret; |
b551a063 DG |
998 | |
999 | error: | |
ef021732 | 1000 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
1001 | return ret; |
1002 | } | |
1003 | ||
834978fd DG |
1004 | /* |
1005 | * Machine interface | |
1006 | * Print a list of system calls. | |
1007 | */ | |
1008 | static int mi_list_syscalls(struct lttng_event *events, int count) | |
1009 | { | |
1010 | int ret, i; | |
1011 | ||
1012 | /* Open events */ | |
41493f4a | 1013 | ret = mi_lttng_events_open(the_writer); |
834978fd DG |
1014 | if (ret) { |
1015 | goto end; | |
1016 | } | |
1017 | ||
1018 | for (i = 0; i < count; i++) { | |
41493f4a SM |
1019 | ret = mi_lttng_event(the_writer, &events[i], 0, |
1020 | the_handle->domain.type); | |
834978fd DG |
1021 | if (ret) { |
1022 | goto end; | |
1023 | } | |
1024 | } | |
1025 | ||
1026 | /* Close events. */ | |
41493f4a | 1027 | ret = mi_lttng_writer_close_element(the_writer); |
834978fd DG |
1028 | if (ret) { |
1029 | goto end; | |
1030 | } | |
1031 | ||
1032 | end: | |
1033 | return ret; | |
1034 | } | |
1035 | ||
1036 | /* | |
1037 | * Ask for kernel system calls. | |
1038 | */ | |
1039 | static int list_syscalls(void) | |
1040 | { | |
1041 | int i, size, ret = CMD_SUCCESS; | |
1042 | struct lttng_event *event_list; | |
1043 | ||
1044 | DBG("Getting kernel system call events"); | |
1045 | ||
1046 | size = lttng_list_syscalls(&event_list); | |
1047 | if (size < 0) { | |
1048 | ERR("Unable to list system calls: %s", lttng_strerror(size)); | |
1049 | ret = CMD_ERROR; | |
1050 | goto error; | |
1051 | } | |
1052 | ||
1053 | if (lttng_opt_mi) { | |
1054 | /* Mi print */ | |
1055 | ret = mi_list_syscalls(event_list, size); | |
1056 | if (ret) { | |
1057 | ret = CMD_ERROR; | |
1058 | goto end; | |
1059 | } | |
1060 | } else { | |
1061 | MSG("System calls:\n-------------"); | |
1062 | ||
1063 | for (i = 0; i < size; i++) { | |
1064 | print_events(&event_list[i]); | |
1065 | } | |
1066 | ||
1067 | MSG(""); | |
1068 | } | |
1069 | ||
1070 | end: | |
1071 | free(event_list); | |
1072 | return ret; | |
1073 | ||
1074 | error: | |
1075 | return ret; | |
1076 | } | |
1077 | ||
fb14d0d8 JR |
1078 | /* |
1079 | * Machine Interface | |
5cdb6027 | 1080 | * Print a list of agent events |
fb14d0d8 | 1081 | */ |
5cdb6027 | 1082 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
fb14d0d8 JR |
1083 | { |
1084 | int ret, i; | |
1085 | ||
1086 | /* Open events element */ | |
41493f4a | 1087 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 JR |
1088 | if (ret) { |
1089 | goto end; | |
1090 | } | |
1091 | ||
1092 | for (i = 0; i < count; i++) { | |
41493f4a SM |
1093 | ret = mi_lttng_event(the_writer, &events[i], 0, |
1094 | the_handle->domain.type); | |
fb14d0d8 JR |
1095 | if (ret) { |
1096 | goto end; | |
1097 | } | |
1098 | } | |
1099 | ||
1100 | /* Close events element */ | |
41493f4a | 1101 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
1102 | |
1103 | end: | |
1104 | return ret; | |
f3ed775e DG |
1105 | } |
1106 | ||
3c6a091f | 1107 | /* |
5cdb6027 | 1108 | * List agent events for a specific session using the handle. |
3c6a091f DG |
1109 | * |
1110 | * Return CMD_SUCCESS on success else a negative value. | |
1111 | */ | |
5cdb6027 | 1112 | static int list_session_agent_events(void) |
3c6a091f | 1113 | { |
fb14d0d8 | 1114 | int ret = CMD_SUCCESS, count, i; |
3c6a091f DG |
1115 | struct lttng_event *events = NULL; |
1116 | ||
41493f4a | 1117 | count = lttng_list_events(the_handle, "", &events); |
3c6a091f | 1118 | if (count < 0) { |
fb14d0d8 JR |
1119 | ret = CMD_ERROR; |
1120 | ERR("%s", lttng_strerror(count)); | |
3c6a091f DG |
1121 | goto error; |
1122 | } | |
1123 | ||
fb14d0d8 JR |
1124 | if (lttng_opt_mi) { |
1125 | /* Mi print */ | |
5cdb6027 | 1126 | ret = mi_list_session_agent_events(events, count); |
fb14d0d8 JR |
1127 | if (ret) { |
1128 | ret = CMD_ERROR; | |
1129 | goto end; | |
1130 | } | |
1131 | } else { | |
1132 | /* Pretty print */ | |
1133 | MSG("Events (Logger name):\n---------------------"); | |
1134 | if (count == 0) { | |
1135 | MSG("%sNone\n", indent6); | |
1136 | goto end; | |
1137 | } | |
1138 | ||
1139 | for (i = 0; i < count; i++) { | |
9a890ce8 JG |
1140 | const char *filter_str; |
1141 | char *filter_msg = NULL; | |
1142 | struct lttng_event *event = &events[i]; | |
1143 | ||
134e72ed JG |
1144 | ret = lttng_event_get_filter_expression(event, |
1145 | &filter_str); | |
9a890ce8 JG |
1146 | if (ret) { |
1147 | filter_msg = strdup(" [failed to retrieve filter]"); | |
1148 | } else if (filter_str) { | |
411b3154 SM |
1149 | if (asprintf(&filter_msg, " [filter: '%s']", filter_str) == -1) { |
1150 | filter_msg = NULL; | |
9a890ce8 JG |
1151 | } |
1152 | } | |
1153 | ||
1154 | if (event->loglevel_type != | |
755066c2 | 1155 | LTTNG_EVENT_LOGLEVEL_ALL) { |
9a890ce8 JG |
1156 | MSG("%s- %s%s (loglevel%s %s)%s", indent4, |
1157 | event->name, | |
1158 | enabled_string(event->enabled), | |
755066c2 | 1159 | logleveltype_string( |
41493f4a | 1160 | event->loglevel_type), |
755066c2 | 1161 | mi_lttng_loglevel_string( |
41493f4a SM |
1162 | event->loglevel, |
1163 | the_handle->domain | |
1164 | .type), | |
7b4a95b1 | 1165 | safe_string(filter_msg)); |
755066c2 | 1166 | } else { |
9a890ce8 JG |
1167 | MSG("%s- %s%s%s", indent4, event->name, |
1168 | enabled_string(event->enabled), | |
7b4a95b1 | 1169 | safe_string(filter_msg)); |
755066c2 | 1170 | } |
9a890ce8 | 1171 | free(filter_msg); |
fb14d0d8 JR |
1172 | } |
1173 | ||
1174 | MSG(""); | |
1175 | } | |
1176 | ||
1177 | end: | |
1178 | free(events); | |
1179 | error: | |
1180 | return ret; | |
1181 | } | |
1182 | ||
1183 | /* | |
1184 | * Machine interface | |
1185 | * print a list of event | |
1186 | */ | |
1187 | static int mi_list_events(struct lttng_event *events, int count) | |
1188 | { | |
1189 | int ret, i; | |
1190 | ||
1191 | /* Open events element */ | |
41493f4a | 1192 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 | 1193 | if (ret) { |
3c6a091f DG |
1194 | goto end; |
1195 | } | |
1196 | ||
1197 | for (i = 0; i < count; i++) { | |
41493f4a SM |
1198 | ret = mi_lttng_event(the_writer, &events[i], 0, |
1199 | the_handle->domain.type); | |
fb14d0d8 JR |
1200 | if (ret) { |
1201 | goto end; | |
1202 | } | |
3c6a091f DG |
1203 | } |
1204 | ||
fb14d0d8 | 1205 | /* Close events element */ |
41493f4a | 1206 | ret = mi_lttng_writer_close_element(the_writer); |
3c6a091f DG |
1207 | |
1208 | end: | |
3c6a091f DG |
1209 | return ret; |
1210 | } | |
1211 | ||
f3ed775e | 1212 | /* |
9f19cc17 | 1213 | * List events of channel of session and domain. |
f3ed775e | 1214 | */ |
cd80958d | 1215 | static int list_events(const char *channel_name) |
f3ed775e | 1216 | { |
fb14d0d8 | 1217 | int ret = CMD_SUCCESS, count, i; |
9f19cc17 | 1218 | struct lttng_event *events = NULL; |
f3ed775e | 1219 | |
41493f4a | 1220 | count = lttng_list_events(the_handle, channel_name, &events); |
f3ed775e | 1221 | if (count < 0) { |
fb14d0d8 JR |
1222 | ret = CMD_ERROR; |
1223 | ERR("%s", lttng_strerror(count)); | |
f3ed775e DG |
1224 | goto error; |
1225 | } | |
1226 | ||
fb14d0d8 JR |
1227 | if (lttng_opt_mi) { |
1228 | /* Mi print */ | |
1229 | ret = mi_list_events(events, count); | |
1230 | if (ret) { | |
1231 | ret = CMD_ERROR; | |
1232 | goto end; | |
1233 | } | |
1234 | } else { | |
1235 | /* Pretty print */ | |
484b2a0c | 1236 | MSG("\n%sRecording event rules:", indent4); |
fb14d0d8 JR |
1237 | if (count == 0) { |
1238 | MSG("%sNone\n", indent6); | |
1239 | goto end; | |
1240 | } | |
f3ed775e | 1241 | |
fb14d0d8 JR |
1242 | for (i = 0; i < count; i++) { |
1243 | print_events(&events[i]); | |
1244 | } | |
f3ed775e | 1245 | |
fb14d0d8 JR |
1246 | MSG(""); |
1247 | } | |
9f19cc17 | 1248 | end: |
0e428499 | 1249 | free(events); |
f3ed775e DG |
1250 | error: |
1251 | return ret; | |
1252 | } | |
1253 | ||
f3b3a67b JG |
1254 | static |
1255 | void print_timer(const char *timer_name, uint32_t space_count, int64_t value) | |
1256 | { | |
1257 | uint32_t i; | |
1258 | ||
1259 | _MSG("%s%s:", indent6, timer_name); | |
1260 | for (i = 0; i < space_count; i++) { | |
1261 | _MSG(" "); | |
1262 | } | |
1263 | ||
1264 | if (value) { | |
2a1135fa | 1265 | MSG("%" PRId64 " %s", value, USEC_UNIT); |
f3b3a67b JG |
1266 | } else { |
1267 | MSG("inactive"); | |
1268 | } | |
1269 | } | |
1270 | ||
f3ed775e | 1271 | /* |
9f19cc17 DG |
1272 | * Pretty print channel |
1273 | */ | |
1274 | static void print_channel(struct lttng_channel *channel) | |
1275 | { | |
fb83fe64 | 1276 | int ret; |
cf0bcb51 | 1277 | uint64_t discarded_events, lost_packets, monitor_timer_interval; |
491d1539 | 1278 | int64_t blocking_timeout; |
fb83fe64 JD |
1279 | |
1280 | ret = lttng_channel_get_discarded_event_count(channel, | |
1281 | &discarded_events); | |
1282 | if (ret) { | |
1283 | ERR("Failed to retrieve discarded event count of channel"); | |
1284 | return; | |
1285 | } | |
1286 | ||
1287 | ret = lttng_channel_get_lost_packet_count(channel, | |
1288 | &lost_packets); | |
1289 | if (ret) { | |
1290 | ERR("Failed to retrieve lost packet count of channel"); | |
1291 | return; | |
1292 | } | |
1293 | ||
cf0bcb51 JG |
1294 | ret = lttng_channel_get_monitor_timer_interval(channel, |
1295 | &monitor_timer_interval); | |
1296 | if (ret) { | |
1297 | ERR("Failed to retrieve monitor interval of channel"); | |
1298 | return; | |
1299 | } | |
1300 | ||
491d1539 MD |
1301 | ret = lttng_channel_get_blocking_timeout(channel, |
1302 | &blocking_timeout); | |
1303 | if (ret) { | |
1304 | ERR("Failed to retrieve blocking timeout of channel"); | |
1305 | return; | |
1306 | } | |
1307 | ||
464dd62d | 1308 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 | 1309 | MSG("%sAttributes:", indent4); |
f3b3a67b JG |
1310 | MSG("%sEvent-loss mode: %s", indent6, channel->attr.overwrite ? "overwrite" : "discard"); |
1311 | MSG("%sSub-buffer size: %" PRIu64 " bytes", indent6, channel->attr.subbuf_size); | |
1312 | MSG("%sSub-buffer count: %" PRIu64, indent6, channel->attr.num_subbuf); | |
1313 | ||
1314 | print_timer("Switch timer", 5, channel->attr.switch_timer_interval); | |
1315 | print_timer("Read timer", 7, channel->attr.read_timer_interval); | |
1316 | print_timer("Monitor timer", 4, monitor_timer_interval); | |
1317 | ||
1318 | if (!channel->attr.overwrite) { | |
1319 | if (blocking_timeout == -1) { | |
1320 | MSG("%sBlocking timeout: infinite", indent6); | |
1321 | } else { | |
2a1135fa JG |
1322 | MSG("%sBlocking timeout: %" PRId64 " %s", indent6, |
1323 | blocking_timeout, USEC_UNIT); | |
f3b3a67b JG |
1324 | } |
1325 | } | |
1326 | ||
1327 | MSG("%sTrace file count: %" PRIu64 " per stream", indent6, | |
1328 | channel->attr.tracefile_count == 0 ? | |
1329 | 1 : channel->attr.tracefile_count); | |
1330 | if (channel->attr.tracefile_size != 0 ) { | |
1331 | MSG("%sTrace file size: %" PRIu64 " bytes", indent6, | |
1332 | channel->attr.tracefile_size); | |
1333 | } else { | |
1334 | MSG("%sTrace file size: %s", indent6, "unlimited"); | |
1335 | } | |
9f19cc17 DG |
1336 | switch (channel->attr.output) { |
1337 | case LTTNG_EVENT_SPLICE: | |
f3b3a67b | 1338 | MSG("%sOutput mode: splice", indent6); |
9f19cc17 DG |
1339 | break; |
1340 | case LTTNG_EVENT_MMAP: | |
f3b3a67b | 1341 | MSG("%sOutput mode: mmap", indent6); |
9f19cc17 DG |
1342 | break; |
1343 | } | |
e50e81d3 | 1344 | |
f3b3a67b | 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 | */ | |
1378 | static int mi_list_channels(struct lttng_channel *channels, int count, | |
1379 | const char *channel_name) | |
1380 | { | |
1381 | int i, ret; | |
1382 | unsigned int chan_found = 0; | |
1383 | ||
1384 | /* Open channels element */ | |
41493f4a | 1385 | ret = mi_lttng_channels_open(the_writer); |
fb14d0d8 JR |
1386 | if (ret) { |
1387 | goto error; | |
1388 | } | |
1389 | ||
1390 | for (i = 0; i < count; i++) { | |
1391 | if (channel_name != NULL) { | |
1392 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1393 | chan_found = 1; | |
1394 | } else { | |
1395 | continue; | |
1396 | } | |
1397 | } | |
1398 | ||
1399 | /* Write channel element and leave it open */ | |
41493f4a | 1400 | ret = mi_lttng_channel(the_writer, &channels[i], 1); |
fb14d0d8 JR |
1401 | if (ret) { |
1402 | goto error; | |
1403 | } | |
1404 | ||
1405 | /* Listing events per channel */ | |
1406 | ret = list_events(channels[i].name); | |
1407 | if (ret) { | |
1408 | goto error; | |
1409 | } | |
1410 | ||
1411 | /* Closing the channel element we opened earlier */ | |
41493f4a | 1412 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
1413 | if (ret) { |
1414 | goto error; | |
1415 | } | |
1416 | ||
1417 | if (chan_found) { | |
1418 | break; | |
1419 | } | |
1420 | } | |
1421 | ||
1422 | /* Close channels element */ | |
41493f4a | 1423 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
1424 | if (ret) { |
1425 | goto error; | |
1426 | } | |
1427 | ||
1428 | error: | |
1429 | return ret; | |
1430 | } | |
1431 | ||
9f19cc17 DG |
1432 | /* |
1433 | * List channel(s) of session and domain. | |
f3ed775e | 1434 | * |
9f19cc17 | 1435 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 1436 | */ |
cd80958d | 1437 | static int list_channels(const char *channel_name) |
f3ed775e | 1438 | { |
9f19cc17 DG |
1439 | int count, i, ret = CMD_SUCCESS; |
1440 | unsigned int chan_found = 0; | |
1441 | struct lttng_channel *channels = NULL; | |
f3ed775e | 1442 | |
3e25cb20 | 1443 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 1444 | |
41493f4a | 1445 | count = lttng_list_channels(the_handle, &channels); |
f3ed775e | 1446 | if (count < 0) { |
c7d620a2 DG |
1447 | switch (-count) { |
1448 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
fb14d0d8 JR |
1449 | if (lttng_opt_mi) { |
1450 | /* When printing mi this is not an error | |
1451 | * but an empty channels element */ | |
1452 | count = 0; | |
1453 | } else { | |
1454 | ret = CMD_SUCCESS; | |
fb14d0d8 JR |
1455 | goto error_channels; |
1456 | } | |
c7d620a2 DG |
1457 | break; |
1458 | default: | |
1459 | /* We had a real error */ | |
fb14d0d8 JR |
1460 | ret = CMD_ERROR; |
1461 | ERR("%s", lttng_strerror(count)); | |
1462 | goto error_channels; | |
60e835ca | 1463 | break; |
c7d620a2 | 1464 | } |
f3ed775e DG |
1465 | } |
1466 | ||
fb14d0d8 JR |
1467 | if (lttng_opt_mi) { |
1468 | /* Mi print */ | |
1469 | ret = mi_list_channels(channels, count, channel_name); | |
1470 | if (ret) { | |
1471 | ret = CMD_ERROR; | |
1472 | goto error; | |
1473 | } | |
1474 | } else { | |
1475 | /* Pretty print */ | |
ade7ce52 | 1476 | if (count) { |
fb14d0d8 JR |
1477 | MSG("Channels:\n-------------"); |
1478 | } | |
9f19cc17 | 1479 | |
fb14d0d8 JR |
1480 | for (i = 0; i < count; i++) { |
1481 | if (channel_name != NULL) { | |
1482 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1483 | chan_found = 1; | |
1484 | } else { | |
1485 | continue; | |
1486 | } | |
1487 | } | |
1488 | print_channel(&channels[i]); | |
1489 | ||
1490 | /* Listing events per channel */ | |
1491 | ret = list_events(channels[i].name); | |
1492 | if (ret) { | |
1493 | goto error; | |
1494 | } | |
1495 | ||
1496 | if (chan_found) { | |
1497 | break; | |
9f19cc17 DG |
1498 | } |
1499 | } | |
9f19cc17 | 1500 | |
fb14d0d8 JR |
1501 | if (!chan_found && channel_name != NULL) { |
1502 | ret = CMD_ERROR; | |
1503 | ERR("Channel %s not found", channel_name); | |
1504 | goto error; | |
9f19cc17 | 1505 | } |
fb14d0d8 JR |
1506 | } |
1507 | error: | |
1508 | free(channels); | |
9f19cc17 | 1509 | |
fb14d0d8 JR |
1510 | error_channels: |
1511 | return ret; | |
1512 | } | |
1513 | ||
159b042f | 1514 | static const char *get_capitalized_process_attr_str(enum lttng_process_attr process_attr) |
83d6d6c4 | 1515 | { |
159b042f JG |
1516 | switch (process_attr) { |
1517 | case LTTNG_PROCESS_ATTR_PROCESS_ID: | |
1518 | return "Process ID"; | |
1519 | case LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID: | |
1520 | return "Virtual process ID"; | |
1521 | case LTTNG_PROCESS_ATTR_USER_ID: | |
1522 | return "User ID"; | |
1523 | case LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID: | |
1524 | return "Virtual user ID"; | |
1525 | case LTTNG_PROCESS_ATTR_GROUP_ID: | |
1526 | return "Group ID"; | |
1527 | case LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID: | |
1528 | return "Virtual group ID"; | |
1529 | default: | |
1530 | return "Unknown"; | |
83d6d6c4 JR |
1531 | } |
1532 | return NULL; | |
1533 | } | |
1534 | ||
159b042f JG |
1535 | static int handle_process_attr_status(enum lttng_process_attr process_attr, |
1536 | enum lttng_process_attr_tracker_handle_status status) | |
1537 | { | |
1538 | int ret = CMD_SUCCESS; | |
1539 | ||
1540 | switch (status) { | |
1541 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_INVALID_TRACKING_POLICY: | |
1542 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_OK: | |
1543 | /* Carry on. */ | |
1544 | break; | |
1545 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_COMMUNICATION_ERROR: | |
1546 | ERR("Communication occurred while fetching %s tracker", | |
1547 | lttng_process_attr_to_string(process_attr)); | |
1548 | ret = CMD_ERROR; | |
1549 | break; | |
1550 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_SESSION_DOES_NOT_EXIST: | |
1551 | ERR("Failed to get the inclusion set of the %s tracker: session `%s` no longer exists", | |
1552 | lttng_process_attr_to_string(process_attr), | |
41493f4a | 1553 | the_handle->session_name); |
159b042f JG |
1554 | ret = CMD_ERROR; |
1555 | break; | |
1556 | default: | |
1557 | ERR("Unknown error occurred while fetching the inclusion set of the %s tracker", | |
1558 | lttng_process_attr_to_string(process_attr)); | |
1559 | ret = CMD_ERROR; | |
1560 | break; | |
1561 | } | |
1562 | ||
1563 | return ret; | |
1564 | } | |
1565 | ||
1566 | static int mi_output_empty_tracker(enum lttng_process_attr process_attr) | |
1567 | { | |
1568 | int ret; | |
1569 | ||
41493f4a | 1570 | ret = mi_lttng_process_attribute_tracker_open(the_writer, process_attr); |
159b042f JG |
1571 | if (ret) { |
1572 | goto end; | |
1573 | } | |
1574 | ||
41493f4a | 1575 | ret = mi_lttng_close_multi_element(the_writer, 2); |
159b042f JG |
1576 | end: |
1577 | return ret; | |
1578 | } | |
1579 | ||
1580 | static inline bool is_value_type_name( | |
1581 | enum lttng_process_attr_value_type value_type) | |
1582 | { | |
1583 | return value_type == LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME || | |
1584 | value_type == LTTNG_PROCESS_ATTR_VALUE_TYPE_GROUP_NAME; | |
1585 | } | |
1586 | ||
a5dfbb9d | 1587 | /* |
159b042f | 1588 | * List a process attribute tracker for a session and domain tuple. |
a5dfbb9d | 1589 | */ |
159b042f | 1590 | static int list_process_attr_tracker(enum lttng_process_attr process_attr) |
a5dfbb9d | 1591 | { |
ebbf5ab7 | 1592 | int ret = 0; |
159b042f JG |
1593 | unsigned int count, i; |
1594 | enum lttng_tracking_policy policy; | |
1595 | enum lttng_error_code ret_code; | |
1596 | enum lttng_process_attr_tracker_handle_status handle_status; | |
1597 | enum lttng_process_attr_values_status values_status; | |
1598 | const struct lttng_process_attr_values *values; | |
1599 | struct lttng_process_attr_tracker_handle *tracker_handle = NULL; | |
1600 | ||
41493f4a SM |
1601 | ret_code = lttng_session_get_tracker_handle(the_handle->session_name, |
1602 | the_handle->domain.type, process_attr, &tracker_handle); | |
159b042f JG |
1603 | if (ret_code != LTTNG_OK) { |
1604 | ERR("Failed to get process attribute tracker handle: %s", | |
1605 | lttng_strerror(ret_code)); | |
1606 | ret = CMD_ERROR; | |
1607 | goto end; | |
1608 | } | |
a5dfbb9d | 1609 | |
159b042f JG |
1610 | handle_status = lttng_process_attr_tracker_handle_get_inclusion_set( |
1611 | tracker_handle, &values); | |
1612 | ret = handle_process_attr_status(process_attr, handle_status); | |
1613 | if (ret != CMD_SUCCESS) { | |
1614 | goto end; | |
a5dfbb9d | 1615 | } |
a7a533cd | 1616 | |
159b042f JG |
1617 | handle_status = lttng_process_attr_tracker_handle_get_tracking_policy( |
1618 | tracker_handle, &policy); | |
1619 | ret = handle_process_attr_status(process_attr, handle_status); | |
1620 | if (ret != CMD_SUCCESS) { | |
e283e4a0 JR |
1621 | goto end; |
1622 | } | |
1623 | ||
159b042f JG |
1624 | { |
1625 | char *process_attr_name; | |
1626 | const int print_ret = asprintf(&process_attr_name, "%ss:", | |
1627 | get_capitalized_process_attr_str(process_attr)); | |
1628 | ||
1629 | if (print_ret == -1) { | |
1630 | ret = CMD_FATAL; | |
1631 | goto end; | |
a7a533cd | 1632 | } |
159b042f JG |
1633 | _MSG(" %-22s", process_attr_name); |
1634 | free(process_attr_name); | |
1635 | } | |
1636 | switch (policy) { | |
1637 | case LTTNG_TRACKING_POLICY_INCLUDE_SET: | |
1638 | break; | |
1639 | case LTTNG_TRACKING_POLICY_EXCLUDE_ALL: | |
41493f4a | 1640 | if (the_writer) { |
159b042f JG |
1641 | mi_output_empty_tracker(process_attr); |
1642 | } | |
1643 | MSG("none"); | |
1644 | ret = CMD_SUCCESS; | |
1645 | goto end; | |
1646 | case LTTNG_TRACKING_POLICY_INCLUDE_ALL: | |
1647 | MSG("all"); | |
1648 | ret = CMD_SUCCESS; | |
1649 | goto end; | |
1650 | default: | |
1651 | ERR("Unknown tracking policy encoutered while listing the %s process attribute tracker of session `%s`", | |
1652 | lttng_process_attr_to_string(process_attr), | |
41493f4a | 1653 | the_handle->session_name); |
159b042f JG |
1654 | ret = CMD_FATAL; |
1655 | goto end; | |
83d6d6c4 | 1656 | } |
a7a533cd | 1657 | |
159b042f JG |
1658 | values_status = lttng_process_attr_values_get_count(values, &count); |
1659 | if (values_status != LTTNG_PROCESS_ATTR_VALUES_STATUS_OK) { | |
1660 | ERR("Failed to get the count of values in the inclusion set of the %s process attribute tracker of session `%s`", | |
1661 | lttng_process_attr_to_string(process_attr), | |
41493f4a | 1662 | the_handle->session_name); |
159b042f JG |
1663 | ret = CMD_FATAL; |
1664 | goto end; | |
1665 | } | |
a5dfbb9d | 1666 | |
159b042f JG |
1667 | if (count == 0) { |
1668 | /* Functionally equivalent to the 'exclude all' policy. */ | |
41493f4a | 1669 | if (the_writer) { |
159b042f | 1670 | mi_output_empty_tracker(process_attr); |
ebbf5ab7 | 1671 | } |
159b042f JG |
1672 | MSG("none"); |
1673 | ret = CMD_SUCCESS; | |
1674 | goto end; | |
1675 | } | |
ebbf5ab7 | 1676 | |
159b042f | 1677 | /* Mi tracker_id element */ |
41493f4a | 1678 | if (the_writer) { |
159b042f JG |
1679 | /* Open tracker_id and targets elements */ |
1680 | ret = mi_lttng_process_attribute_tracker_open( | |
41493f4a | 1681 | the_writer, process_attr); |
159b042f JG |
1682 | if (ret) { |
1683 | goto end; | |
1684 | } | |
1685 | } | |
2d97a006 | 1686 | |
159b042f JG |
1687 | for (i = 0; i < count; i++) { |
1688 | const enum lttng_process_attr_value_type value_type = | |
1689 | lttng_process_attr_values_get_type_at_index( | |
1690 | values, i); | |
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 | ||
1702 | values_status = lttng_process_attr_values_get_pid_at_index( | |
1703 | values, i, &pid); | |
1704 | integral_value = (int64_t) pid; | |
1705 | break; | |
1706 | } | |
1707 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_UID: | |
1708 | { | |
1709 | uid_t uid; | |
a7a533cd | 1710 | |
159b042f JG |
1711 | values_status = lttng_process_attr_values_get_uid_at_index( |
1712 | values, i, &uid); | |
1713 | integral_value = (int64_t) uid; | |
1714 | break; | |
1715 | } | |
1716 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GID: | |
1717 | { | |
1718 | gid_t gid; | |
2d97a006 | 1719 | |
159b042f JG |
1720 | values_status = lttng_process_attr_values_get_gid_at_index( |
1721 | values, i, &gid); | |
1722 | integral_value = (int64_t) gid; | |
1723 | break; | |
1724 | } | |
1725 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME: | |
1726 | values_status = lttng_process_attr_values_get_user_name_at_index( | |
1727 | values, i, &name); | |
1728 | break; | |
1729 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GROUP_NAME: | |
1730 | values_status = lttng_process_attr_values_get_group_name_at_index( | |
1731 | values, i, &name); | |
1732 | break; | |
1733 | default: | |
1734 | ret = CMD_ERROR; | |
1735 | goto end; | |
1736 | } | |
83d6d6c4 | 1737 | |
159b042f JG |
1738 | if (values_status != LTTNG_PROCESS_ATTR_VALUES_STATUS_OK) { |
1739 | /* | |
1740 | * Not possible given the current liblttng-ctl | |
1741 | * implementation. | |
1742 | */ | |
1743 | ERR("Unknown error occurred while fetching process attribute value in inclusion list"); | |
1744 | ret = CMD_FATAL; | |
1745 | goto end; | |
1746 | } | |
ebbf5ab7 | 1747 | |
159b042f JG |
1748 | if (is_value_type_name(value_type)) { |
1749 | _MSG("`%s`", name); | |
1750 | } else { | |
1751 | _MSG("%" PRIi64, integral_value); | |
a5dfbb9d | 1752 | } |
ebbf5ab7 | 1753 | |
159b042f | 1754 | /* Mi */ |
41493f4a | 1755 | if (the_writer) { |
159b042f JG |
1756 | ret = is_value_type_name(value_type) ? |
1757 | mi_lttng_string_process_attribute_value( | |
41493f4a SM |
1758 | the_writer, |
1759 | process_attr, name, | |
1760 | false) : | |
159b042f | 1761 | mi_lttng_integral_process_attribute_value( |
41493f4a SM |
1762 | the_writer, |
1763 | process_attr, | |
1764 | integral_value, false); | |
ebbf5ab7 JR |
1765 | if (ret) { |
1766 | goto end; | |
1767 | } | |
1768 | } | |
a5dfbb9d | 1769 | } |
159b042f JG |
1770 | MSG(""); |
1771 | ||
1772 | /* Mi close tracker_id and targets */ | |
41493f4a SM |
1773 | if (the_writer) { |
1774 | ret = mi_lttng_close_multi_element(the_writer, 2); | |
159b042f JG |
1775 | if (ret) { |
1776 | goto end; | |
1777 | } | |
1778 | } | |
ebbf5ab7 | 1779 | end: |
159b042f | 1780 | lttng_process_attr_tracker_handle_destroy(tracker_handle); |
ebbf5ab7 | 1781 | return ret; |
ebbf5ab7 JR |
1782 | } |
1783 | ||
1784 | /* | |
83d6d6c4 | 1785 | * List all trackers of a domain |
ebbf5ab7 | 1786 | */ |
83d6d6c4 | 1787 | static int list_trackers(const struct lttng_domain *domain) |
ebbf5ab7 | 1788 | { |
0dda6728 | 1789 | int ret = 0; |
ebbf5ab7 | 1790 | |
159b042f | 1791 | MSG("Tracked process attributes"); |
ebbf5ab7 JR |
1792 | /* Trackers listing */ |
1793 | if (lttng_opt_mi) { | |
41493f4a | 1794 | ret = mi_lttng_trackers_open(the_writer); |
ebbf5ab7 JR |
1795 | if (ret) { |
1796 | goto end; | |
1797 | } | |
1798 | } | |
1799 | ||
83d6d6c4 JR |
1800 | switch (domain->type) { |
1801 | case LTTNG_DOMAIN_KERNEL: | |
1802 | /* pid tracker */ | |
159b042f | 1803 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_PROCESS_ID); |
83d6d6c4 JR |
1804 | if (ret) { |
1805 | goto end; | |
1806 | } | |
1807 | /* vpid tracker */ | |
159b042f JG |
1808 | ret = list_process_attr_tracker( |
1809 | LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID); | |
83d6d6c4 JR |
1810 | if (ret) { |
1811 | goto end; | |
1812 | } | |
1813 | /* uid tracker */ | |
159b042f | 1814 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_USER_ID); |
83d6d6c4 JR |
1815 | if (ret) { |
1816 | goto end; | |
1817 | } | |
1818 | /* vuid tracker */ | |
159b042f JG |
1819 | ret = list_process_attr_tracker( |
1820 | LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID); | |
83d6d6c4 JR |
1821 | if (ret) { |
1822 | goto end; | |
1823 | } | |
1824 | /* gid tracker */ | |
159b042f | 1825 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_GROUP_ID); |
83d6d6c4 JR |
1826 | if (ret) { |
1827 | goto end; | |
1828 | } | |
1829 | /* vgid tracker */ | |
159b042f JG |
1830 | ret = list_process_attr_tracker( |
1831 | LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID); | |
83d6d6c4 JR |
1832 | if (ret) { |
1833 | goto end; | |
1834 | } | |
1835 | break; | |
1836 | case LTTNG_DOMAIN_UST: | |
1837 | /* vpid tracker */ | |
159b042f JG |
1838 | ret = list_process_attr_tracker( |
1839 | LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID); | |
83d6d6c4 JR |
1840 | if (ret) { |
1841 | goto end; | |
1842 | } | |
1843 | /* vuid tracker */ | |
159b042f JG |
1844 | ret = list_process_attr_tracker( |
1845 | LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID); | |
83d6d6c4 JR |
1846 | if (ret) { |
1847 | goto end; | |
1848 | } | |
1849 | /* vgid tracker */ | |
159b042f JG |
1850 | ret = list_process_attr_tracker( |
1851 | LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID); | |
83d6d6c4 JR |
1852 | if (ret) { |
1853 | goto end; | |
1854 | } | |
1855 | break; | |
1856 | default: | |
1857 | break; | |
ebbf5ab7 | 1858 | } |
159b042f | 1859 | MSG(); |
ebbf5ab7 JR |
1860 | if (lttng_opt_mi) { |
1861 | /* Close trackers element */ | |
41493f4a | 1862 | ret = mi_lttng_writer_close_element(the_writer); |
ebbf5ab7 JR |
1863 | if (ret) { |
1864 | goto end; | |
1865 | } | |
1866 | } | |
1867 | ||
1868 | end: | |
1869 | return ret; | |
a5dfbb9d MD |
1870 | } |
1871 | ||
66ea93b1 JG |
1872 | static enum cmd_error_code print_periodic_rotation_schedule( |
1873 | const struct lttng_rotation_schedule *schedule) | |
1874 | { | |
1875 | enum cmd_error_code ret; | |
1876 | enum lttng_rotation_status status; | |
1877 | uint64_t value; | |
1878 | ||
1879 | status = lttng_rotation_schedule_periodic_get_period(schedule, | |
1880 | &value); | |
1881 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1882 | ERR("Failed to retrieve period parameter from periodic rotation schedule."); | |
1883 | ret = CMD_ERROR; | |
1884 | goto end; | |
1885 | } | |
1886 | ||
2a1135fa | 1887 | MSG(" timer period: %" PRIu64" %s", value, USEC_UNIT); |
66ea93b1 JG |
1888 | ret = CMD_SUCCESS; |
1889 | end: | |
1890 | return ret; | |
1891 | } | |
1892 | ||
1893 | static enum cmd_error_code print_size_threshold_rotation_schedule( | |
1894 | const struct lttng_rotation_schedule *schedule) | |
1895 | { | |
1896 | enum cmd_error_code ret; | |
1897 | enum lttng_rotation_status status; | |
1898 | uint64_t value; | |
1899 | ||
1900 | status = lttng_rotation_schedule_size_threshold_get_threshold(schedule, | |
1901 | &value); | |
1902 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1903 | ERR("Failed to retrieve size parameter from size-based rotation schedule."); | |
1904 | ret = CMD_ERROR; | |
1905 | goto end; | |
1906 | } | |
1907 | ||
1908 | MSG(" size threshold: %" PRIu64" bytes", value); | |
66ea93b1 JG |
1909 | ret = CMD_SUCCESS; |
1910 | end: | |
1911 | return ret; | |
1912 | } | |
1913 | ||
1914 | static enum cmd_error_code print_rotation_schedule( | |
1915 | const struct lttng_rotation_schedule *schedule) | |
1916 | { | |
1917 | enum cmd_error_code ret; | |
1918 | ||
1919 | switch (lttng_rotation_schedule_get_type(schedule)) { | |
1920 | case LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD: | |
1921 | ret = print_size_threshold_rotation_schedule(schedule); | |
1922 | break; | |
1923 | case LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC: | |
1924 | ret = print_periodic_rotation_schedule(schedule); | |
1925 | break; | |
1926 | default: | |
1927 | ret = CMD_ERROR; | |
1928 | } | |
1929 | return ret; | |
1930 | } | |
1931 | ||
329f3443 | 1932 | /* |
66ea93b1 | 1933 | * List the automatic rotation settings. |
329f3443 | 1934 | */ |
66ea93b1 | 1935 | static enum cmd_error_code list_rotate_settings(const char *session_name) |
329f3443 JD |
1936 | { |
1937 | int ret; | |
66ea93b1 JG |
1938 | enum cmd_error_code cmd_ret = CMD_SUCCESS; |
1939 | unsigned int count, i; | |
1940 | struct lttng_rotation_schedules *schedules = NULL; | |
1941 | enum lttng_rotation_status status; | |
1942 | ||
1943 | ret = lttng_session_list_rotation_schedules(session_name, &schedules); | |
1944 | if (ret != LTTNG_OK) { | |
1945 | ERR("Failed to list session rotation schedules: %s", lttng_strerror(ret)); | |
1946 | cmd_ret = CMD_ERROR; | |
329f3443 JD |
1947 | goto end; |
1948 | } | |
1949 | ||
66ea93b1 JG |
1950 | status = lttng_rotation_schedules_get_count(schedules, &count); |
1951 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1952 | ERR("Failed to retrieve the number of session rotation schedules."); | |
1953 | cmd_ret = CMD_ERROR; | |
329f3443 JD |
1954 | goto end; |
1955 | } | |
1956 | ||
66ea93b1 JG |
1957 | if (count == 0) { |
1958 | cmd_ret = CMD_SUCCESS; | |
329f3443 JD |
1959 | goto end; |
1960 | } | |
1961 | ||
66ea93b1 JG |
1962 | MSG("Automatic rotation schedules:"); |
1963 | if (lttng_opt_mi) { | |
41493f4a | 1964 | ret = mi_lttng_writer_open_element(the_writer, |
66ea93b1 JG |
1965 | mi_lttng_element_rotation_schedules); |
1966 | if (ret) { | |
1967 | cmd_ret = CMD_ERROR; | |
1968 | goto end; | |
329f3443 JD |
1969 | } |
1970 | } | |
66ea93b1 JG |
1971 | |
1972 | for (i = 0; i < count; i++) { | |
1973 | enum cmd_error_code tmp_ret = CMD_SUCCESS; | |
1974 | const struct lttng_rotation_schedule *schedule; | |
1975 | ||
1976 | schedule = lttng_rotation_schedules_get_at_index(schedules, i); | |
1977 | if (!schedule) { | |
1978 | ERR("Failed to retrieve session rotation schedule."); | |
1979 | cmd_ret = CMD_ERROR; | |
1980 | goto end; | |
1981 | } | |
1982 | ||
329f3443 | 1983 | if (lttng_opt_mi) { |
41493f4a | 1984 | ret = mi_lttng_rotation_schedule(the_writer, schedule); |
329f3443 | 1985 | if (ret) { |
66ea93b1 | 1986 | tmp_ret = CMD_ERROR; |
329f3443 | 1987 | } |
66ea93b1 JG |
1988 | } else { |
1989 | tmp_ret = print_rotation_schedule(schedule); | |
329f3443 | 1990 | } |
66ea93b1 JG |
1991 | |
1992 | /* | |
1993 | * Report an error if the serialization of any of the | |
1994 | * descriptors failed. | |
1995 | */ | |
1996 | cmd_ret = cmd_ret ? cmd_ret : tmp_ret; | |
329f3443 | 1997 | } |
329f3443 | 1998 | |
66ea93b1 JG |
1999 | _MSG("\n"); |
2000 | if (lttng_opt_mi) { | |
2001 | /* Close the rotation_schedules element. */ | |
41493f4a | 2002 | ret = mi_lttng_writer_close_element(the_writer); |
66ea93b1 JG |
2003 | if (ret) { |
2004 | cmd_ret = CMD_ERROR; | |
2005 | goto end; | |
2006 | } | |
2007 | } | |
329f3443 | 2008 | end: |
66ea93b1 JG |
2009 | lttng_rotation_schedules_destroy(schedules); |
2010 | return cmd_ret; | |
329f3443 JD |
2011 | } |
2012 | ||
fb14d0d8 JR |
2013 | /* |
2014 | * Machine interface | |
2015 | * Find the session with session_name as name | |
2016 | * and print his informations. | |
2017 | */ | |
2018 | static int mi_list_session(const char *session_name, | |
2019 | struct lttng_session *sessions, int count) | |
2020 | { | |
2021 | int ret, i; | |
2022 | unsigned int session_found = 0; | |
2023 | ||
2024 | if (session_name == NULL) { | |
2025 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
2026 | goto end; | |
2027 | } | |
2028 | ||
2029 | for (i = 0; i < count; i++) { | |
2030 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
2031 | /* We need to leave it open to append other informations | |
2032 | * like domain, channel, events etc.*/ | |
2033 | session_found = 1; | |
41493f4a | 2034 | ret = mi_lttng_session(the_writer, &sessions[i], 1); |
fb14d0d8 JR |
2035 | if (ret) { |
2036 | goto end; | |
2037 | } | |
9f19cc17 | 2038 | break; |
f3ed775e | 2039 | } |
f3ed775e DG |
2040 | } |
2041 | ||
fb14d0d8 JR |
2042 | if (!session_found) { |
2043 | ERR("Session '%s' not found", session_name); | |
2044 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
2045 | goto end; | |
9f19cc17 | 2046 | } |
f3ed775e | 2047 | |
fb14d0d8 JR |
2048 | end: |
2049 | return ret; | |
2050 | } | |
f3ed775e | 2051 | |
fb14d0d8 JR |
2052 | /* |
2053 | * Machine interface | |
2054 | * List all availables session | |
2055 | */ | |
2056 | static int mi_list_sessions(struct lttng_session *sessions, int count) | |
2057 | { | |
2058 | int ret, i; | |
ae856491 | 2059 | |
fb14d0d8 | 2060 | /* Opening sessions element */ |
41493f4a | 2061 | ret = mi_lttng_sessions_open(the_writer); |
fb14d0d8 JR |
2062 | if (ret) { |
2063 | goto end; | |
2064 | } | |
2065 | ||
2066 | /* Listing sessions */ | |
2067 | for (i = 0; i < count; i++) { | |
41493f4a | 2068 | ret = mi_lttng_session(the_writer, &sessions[i], 0); |
fb14d0d8 JR |
2069 | if (ret) { |
2070 | goto end; | |
2071 | } | |
2072 | } | |
2073 | ||
2074 | /* Closing sessions element */ | |
41493f4a | 2075 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
2076 | if (ret) { |
2077 | goto end; | |
2078 | } | |
2079 | ||
2080 | end: | |
f3ed775e DG |
2081 | return ret; |
2082 | } | |
2083 | ||
2084 | /* | |
9f19cc17 | 2085 | * List available tracing session. List only basic information. |
f3ed775e | 2086 | * |
9f19cc17 | 2087 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 2088 | */ |
9f19cc17 | 2089 | static int list_sessions(const char *session_name) |
f3ed775e | 2090 | { |
fb14d0d8 JR |
2091 | int ret = CMD_SUCCESS; |
2092 | int count, i; | |
9f19cc17 | 2093 | unsigned int session_found = 0; |
aff0fa72 | 2094 | struct lttng_session *sessions = NULL; |
9f19cc17 DG |
2095 | |
2096 | count = lttng_list_sessions(&sessions); | |
2097 | DBG("Session count %d", count); | |
2098 | if (count < 0) { | |
fb14d0d8 JR |
2099 | ret = CMD_ERROR; |
2100 | ERR("%s", lttng_strerror(count)); | |
d32fb093 | 2101 | goto end; |
9f19cc17 DG |
2102 | } |
2103 | ||
fb14d0d8 JR |
2104 | if (lttng_opt_mi) { |
2105 | /* Mi */ | |
2106 | if (session_name == NULL) { | |
aff0fa72 | 2107 | /* List all sessions */ |
fb14d0d8 JR |
2108 | ret = mi_list_sessions(sessions, count); |
2109 | } else { | |
2110 | /* Note : this return an open session element */ | |
2111 | ret = mi_list_session(session_name, sessions, count); | |
2112 | } | |
2113 | if (ret) { | |
2114 | ret = CMD_ERROR; | |
aff0fa72 | 2115 | goto end; |
fb14d0d8 JR |
2116 | } |
2117 | } else { | |
2118 | /* Pretty print */ | |
2119 | if (count == 0) { | |
e9711845 | 2120 | MSG("Currently no available recording session"); |
fb14d0d8 JR |
2121 | goto end; |
2122 | } | |
9f19cc17 | 2123 | |
fb14d0d8 | 2124 | if (session_name == NULL) { |
e9711845 | 2125 | MSG("Available recording sessions:"); |
fb14d0d8 JR |
2126 | } |
2127 | ||
fb14d0d8 JR |
2128 | for (i = 0; i < count; i++) { |
2129 | if (session_name != NULL) { | |
2130 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
2131 | session_found = 1; | |
e9711845 | 2132 | MSG("Recording session %s: [%s%s]", session_name, |
fb14d0d8 JR |
2133 | active_string(sessions[i].enabled), |
2134 | snapshot_string(sessions[i].snapshot_mode)); | |
5b89fc92 JG |
2135 | if (*sessions[i].path) { |
2136 | MSG("%sTrace output: %s\n", indent4, sessions[i].path); | |
2137 | } | |
41493f4a SM |
2138 | memcpy(&the_listed_session, |
2139 | &sessions[i], | |
2140 | sizeof(the_listed_session)); | |
fb14d0d8 JR |
2141 | break; |
2142 | } | |
2143 | } else { | |
5b89fc92 JG |
2144 | MSG(" %d) %s [%s%s]", i + 1, |
2145 | sessions[i].name, | |
2cbf8fed DG |
2146 | active_string(sessions[i].enabled), |
2147 | snapshot_string(sessions[i].snapshot_mode)); | |
5b89fc92 JG |
2148 | if (*sessions[i].path) { |
2149 | MSG("%sTrace output: %s", indent4, sessions[i].path); | |
2150 | } | |
fcbc96a2 | 2151 | if (sessions[i].live_timer_interval != 0) { |
5b89fc92 JG |
2152 | MSG("%sLive timer interval: %u %s", indent4, |
2153 | sessions[i].live_timer_interval, | |
2154 | USEC_UNIT); | |
fcbc96a2 JG |
2155 | } |
2156 | MSG(""); | |
9f19cc17 | 2157 | } |
fb14d0d8 JR |
2158 | } |
2159 | ||
2160 | if (!session_found && session_name != NULL) { | |
2161 | ERR("Session '%s' not found", session_name); | |
2162 | ret = CMD_ERROR; | |
aff0fa72 | 2163 | goto end; |
fb14d0d8 JR |
2164 | } |
2165 | ||
2166 | if (session_name == NULL) { | |
2167 | MSG("\nUse lttng list <session_name> for more details"); | |
9f19cc17 DG |
2168 | } |
2169 | } | |
2170 | ||
fb14d0d8 | 2171 | end: |
aff0fa72 | 2172 | free(sessions); |
fb14d0d8 JR |
2173 | return ret; |
2174 | } | |
9f19cc17 | 2175 | |
fb14d0d8 JR |
2176 | |
2177 | /* | |
2178 | * Machine Interface | |
2179 | * list available domain(s) for a session. | |
2180 | */ | |
2181 | static int mi_list_domains(struct lttng_domain *domains, int count) | |
2182 | { | |
2183 | int i, ret; | |
2184 | /* Open domains element */ | |
41493f4a | 2185 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
2186 | if (ret) { |
2187 | goto end; | |
9f19cc17 DG |
2188 | } |
2189 | ||
fb14d0d8 | 2190 | for (i = 0; i < count; i++) { |
41493f4a | 2191 | ret = mi_lttng_domain(the_writer, &domains[i], 0); |
fb14d0d8 JR |
2192 | if (ret) { |
2193 | goto end; | |
2194 | } | |
9f19cc17 | 2195 | } |
f3ed775e | 2196 | |
fb14d0d8 | 2197 | /* Closing domains element */ |
41493f4a | 2198 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
2199 | if (ret) { |
2200 | goto end; | |
2201 | } | |
d32fb093 | 2202 | end: |
f3ed775e DG |
2203 | return ret; |
2204 | } | |
f3ed775e DG |
2205 | |
2206 | /* | |
9f19cc17 | 2207 | * List available domain(s) for a session. |
f3ed775e | 2208 | */ |
330be774 | 2209 | static int list_domains(const char *session_name) |
f3ed775e | 2210 | { |
9f19cc17 DG |
2211 | int i, count, ret = CMD_SUCCESS; |
2212 | struct lttng_domain *domains = NULL; | |
2213 | ||
9f19cc17 | 2214 | |
330be774 | 2215 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 | 2216 | if (count < 0) { |
fb14d0d8 JR |
2217 | ret = CMD_ERROR; |
2218 | ERR("%s", lttng_strerror(count)); | |
9f19cc17 DG |
2219 | goto end; |
2220 | } | |
2221 | ||
fb14d0d8 JR |
2222 | if (lttng_opt_mi) { |
2223 | /* Mi output */ | |
2224 | ret = mi_list_domains(domains, count); | |
2225 | if (ret) { | |
2226 | ret = CMD_ERROR; | |
2227 | goto error; | |
2228 | } | |
2229 | } else { | |
2230 | /* Pretty print */ | |
2231 | MSG("Domains:\n-------------"); | |
2232 | if (count == 0) { | |
2233 | MSG(" None"); | |
2234 | goto end; | |
2235 | } | |
2236 | ||
2237 | for (i = 0; i < count; i++) { | |
2238 | switch (domains[i].type) { | |
2239 | case LTTNG_DOMAIN_KERNEL: | |
2240 | MSG(" - Kernel"); | |
2241 | break; | |
2242 | case LTTNG_DOMAIN_UST: | |
2243 | MSG(" - UST global"); | |
2244 | break; | |
2245 | case LTTNG_DOMAIN_JUL: | |
2246 | MSG(" - JUL (Java Util Logging)"); | |
2247 | break; | |
5cdb6027 DG |
2248 | case LTTNG_DOMAIN_LOG4J: |
2249 | MSG(" - LOG4j (Logging for Java)"); | |
2250 | break; | |
0e115563 DG |
2251 | case LTTNG_DOMAIN_PYTHON: |
2252 | MSG(" - Python (logging)"); | |
2253 | break; | |
fb14d0d8 JR |
2254 | default: |
2255 | break; | |
2256 | } | |
9f19cc17 DG |
2257 | } |
2258 | } | |
2259 | ||
fb14d0d8 | 2260 | error: |
9f19cc17 DG |
2261 | free(domains); |
2262 | ||
fb14d0d8 | 2263 | end: |
9f19cc17 | 2264 | return ret; |
f3ed775e | 2265 | } |
f3ed775e DG |
2266 | |
2267 | /* | |
9f19cc17 | 2268 | * The 'list <options>' first level command |
f3ed775e DG |
2269 | */ |
2270 | int cmd_list(int argc, const char **argv) | |
2271 | { | |
c617c0c6 | 2272 | int opt, ret = CMD_SUCCESS; |
68c7f6e5 | 2273 | const char *session_name, *leftover = NULL; |
f3ed775e | 2274 | static poptContext pc; |
9f19cc17 DG |
2275 | struct lttng_domain domain; |
2276 | struct lttng_domain *domains = NULL; | |
f3ed775e | 2277 | |
441c16a7 MD |
2278 | memset(&domain, 0, sizeof(domain)); |
2279 | ||
9f19cc17 | 2280 | if (argc < 1) { |
ca1c3607 | 2281 | ret = CMD_ERROR; |
f3ed775e DG |
2282 | goto end; |
2283 | } | |
2284 | ||
2285 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
2286 | poptReadDefaultConfig(pc, 0); | |
2287 | ||
2288 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
2289 | switch (opt) { | |
2290 | case OPT_HELP: | |
4ba92f18 | 2291 | SHOW_HELP(); |
f3ed775e | 2292 | goto end; |
eeac7d46 MD |
2293 | case OPT_USERSPACE: |
2294 | opt_userspace = 1; | |
eeac7d46 | 2295 | break; |
679b4943 SM |
2296 | case OPT_LIST_OPTIONS: |
2297 | list_cmd_options(stdout, long_options); | |
679b4943 | 2298 | goto end; |
f3ed775e | 2299 | default: |
f3ed775e DG |
2300 | ret = CMD_UNDEFINED; |
2301 | goto end; | |
2302 | } | |
2303 | } | |
2304 | ||
fb14d0d8 JR |
2305 | /* Mi check */ |
2306 | if (lttng_opt_mi) { | |
41493f4a SM |
2307 | the_writer = mi_lttng_writer_create( |
2308 | fileno(stdout), lttng_opt_mi); | |
2309 | if (!the_writer) { | |
fb14d0d8 JR |
2310 | ret = CMD_ERROR; |
2311 | goto end; | |
2312 | } | |
2313 | ||
2314 | /* Open command element */ | |
41493f4a SM |
2315 | ret = mi_lttng_writer_command_open( |
2316 | the_writer, mi_lttng_element_command_list); | |
fb14d0d8 JR |
2317 | if (ret) { |
2318 | ret = CMD_ERROR; | |
2319 | goto end; | |
2320 | } | |
2321 | ||
2322 | /* Open output element */ | |
41493f4a SM |
2323 | ret = mi_lttng_writer_open_element( |
2324 | the_writer, mi_lttng_element_command_output); | |
fb14d0d8 JR |
2325 | if (ret) { |
2326 | ret = CMD_ERROR; | |
2327 | goto end; | |
2328 | } | |
2329 | } | |
2330 | ||
9f19cc17 DG |
2331 | /* Get session name (trailing argument) */ |
2332 | session_name = poptGetArg(pc); | |
b551a063 | 2333 | DBG2("Session name: %s", session_name); |
9f19cc17 | 2334 | |
68c7f6e5 JD |
2335 | leftover = poptGetArg(pc); |
2336 | if (leftover) { | |
2337 | ERR("Unknown argument: %s", leftover); | |
2338 | ret = CMD_ERROR; | |
2339 | goto end; | |
2340 | } | |
2341 | ||
cd80958d DG |
2342 | if (opt_kernel) { |
2343 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
2344 | } else if (opt_userspace) { |
2345 | DBG2("Listing userspace global domain"); | |
2346 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
2347 | } else if (opt_jul) { |
2348 | DBG2("Listing JUL domain"); | |
2349 | domain.type = LTTNG_DOMAIN_JUL; | |
edf60534 | 2350 | } else if (opt_log4j) { |
5cdb6027 | 2351 | domain.type = LTTNG_DOMAIN_LOG4J; |
0e115563 DG |
2352 | } else if (opt_python) { |
2353 | domain.type = LTTNG_DOMAIN_PYTHON; | |
cd80958d DG |
2354 | } |
2355 | ||
834978fd DG |
2356 | if (!opt_kernel && opt_syscall) { |
2357 | WARN("--syscall will only work with the Kernel domain (-k)"); | |
2358 | ret = CMD_ERROR; | |
2359 | goto end; | |
2360 | } | |
2361 | ||
0e115563 | 2362 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_python) { |
41493f4a SM |
2363 | the_handle = lttng_create_handle(session_name, &domain); |
2364 | if (the_handle == NULL) { | |
aa5de748 MD |
2365 | ret = CMD_FATAL; |
2366 | goto end; | |
2367 | } | |
cd80958d DG |
2368 | } |
2369 | ||
9f19cc17 | 2370 | if (session_name == NULL) { |
0e115563 DG |
2371 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j |
2372 | && !opt_python) { | |
b551a063 | 2373 | ret = list_sessions(NULL); |
fb14d0d8 | 2374 | if (ret) { |
b551a063 DG |
2375 | goto end; |
2376 | } | |
2377 | } | |
9f19cc17 | 2378 | if (opt_kernel) { |
834978fd DG |
2379 | if (opt_syscall) { |
2380 | ret = list_syscalls(); | |
2381 | if (ret) { | |
2382 | goto end; | |
2383 | } | |
2384 | } else { | |
2385 | ret = list_kernel_events(); | |
2386 | if (ret) { | |
2387 | goto end; | |
2388 | } | |
9f19cc17 | 2389 | } |
b551a063 DG |
2390 | } |
2391 | if (opt_userspace) { | |
f37d259d MD |
2392 | if (opt_fields) { |
2393 | ret = list_ust_event_fields(); | |
2394 | } else { | |
2395 | ret = list_ust_events(); | |
2396 | } | |
fb14d0d8 | 2397 | if (ret) { |
9f19cc17 DG |
2398 | goto end; |
2399 | } | |
2400 | } | |
0e115563 | 2401 | if (opt_jul || opt_log4j || opt_python) { |
5cdb6027 | 2402 | ret = list_agent_events(); |
fb14d0d8 | 2403 | if (ret) { |
3c6a091f DG |
2404 | goto end; |
2405 | } | |
2406 | } | |
9f19cc17 DG |
2407 | } else { |
2408 | /* List session attributes */ | |
fb14d0d8 JR |
2409 | if (lttng_opt_mi) { |
2410 | /* Open element sessions | |
2411 | * Present for xml consistency */ | |
41493f4a | 2412 | ret = mi_lttng_sessions_open(the_writer); |
fb14d0d8 JR |
2413 | if (ret) { |
2414 | goto end; | |
2415 | } | |
2416 | } | |
2417 | /* MI: the ouptut of list_sessions is an unclosed session element */ | |
9f19cc17 | 2418 | ret = list_sessions(session_name); |
fb14d0d8 | 2419 | if (ret) { |
9f19cc17 DG |
2420 | goto end; |
2421 | } | |
2422 | ||
329f3443 JD |
2423 | ret = list_rotate_settings(session_name); |
2424 | if (ret) { | |
2425 | goto end; | |
2426 | } | |
2427 | ||
9f19cc17 DG |
2428 | /* Domain listing */ |
2429 | if (opt_domain) { | |
330be774 | 2430 | ret = list_domains(session_name); |
9f19cc17 DG |
2431 | goto end; |
2432 | } | |
2433 | ||
fb14d0d8 | 2434 | /* Channel listing */ |
1c3de747 | 2435 | if (opt_kernel || opt_userspace) { |
fb14d0d8 JR |
2436 | if (lttng_opt_mi) { |
2437 | /* Add of domains and domain element for xml | |
2438 | * consistency and validation | |
2439 | */ | |
41493f4a | 2440 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
2441 | if (ret) { |
2442 | goto end; | |
2443 | } | |
2444 | ||
2445 | /* Open domain and leave it open for | |
2446 | * nested channels printing */ | |
41493f4a | 2447 | ret = mi_lttng_domain(the_writer, &domain, 1); |
fb14d0d8 JR |
2448 | if (ret) { |
2449 | goto end; | |
2450 | } | |
2451 | ||
2452 | } | |
2453 | ||
ebbf5ab7 JR |
2454 | |
2455 | /* Trackers */ | |
83d6d6c4 | 2456 | ret = list_trackers(&domain); |
a5dfbb9d MD |
2457 | if (ret) { |
2458 | goto end; | |
2459 | } | |
2460 | ||
ebbf5ab7 | 2461 | /* Channels */ |
cd80958d | 2462 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
2463 | if (ret) { |
2464 | goto end; | |
2465 | } | |
2466 | ||
2467 | if (lttng_opt_mi) { | |
2468 | /* Close domain and domain element */ | |
41493f4a SM |
2469 | ret = mi_lttng_close_multi_element( |
2470 | the_writer, 2); | |
fb14d0d8 JR |
2471 | } |
2472 | if (ret) { | |
9f19cc17 DG |
2473 | goto end; |
2474 | } | |
fb14d0d8 JR |
2475 | |
2476 | ||
9f19cc17 | 2477 | } else { |
c617c0c6 MD |
2478 | int i, nb_domain; |
2479 | ||
9f19cc17 | 2480 | /* We want all domain(s) */ |
330be774 | 2481 | nb_domain = lttng_list_domains(session_name, &domains); |
b551a063 | 2482 | if (nb_domain < 0) { |
fb14d0d8 JR |
2483 | ret = CMD_ERROR; |
2484 | ERR("%s", lttng_strerror(nb_domain)); | |
9f19cc17 DG |
2485 | goto end; |
2486 | } | |
2487 | ||
fb14d0d8 | 2488 | if (lttng_opt_mi) { |
41493f4a | 2489 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
2490 | if (ret) { |
2491 | ret = CMD_ERROR; | |
2492 | goto end; | |
2493 | } | |
2494 | } | |
2495 | ||
b551a063 | 2496 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
2497 | switch (domains[i].type) { |
2498 | case LTTNG_DOMAIN_KERNEL: | |
ac41e67e | 2499 | MSG("=== Domain: Linux kernel ===\n"); |
9f19cc17 | 2500 | break; |
b551a063 | 2501 | case LTTNG_DOMAIN_UST: |
ac41e67e | 2502 | MSG("=== Domain: User space ===\n"); |
74707e6e | 2503 | MSG("Buffering scheme: %s\n", |
88c5f0d8 | 2504 | domains[i].buf_type == |
74707e6e | 2505 | LTTNG_BUFFER_PER_PID ? "per-process" : "per-user"); |
b551a063 | 2506 | break; |
3c6a091f | 2507 | case LTTNG_DOMAIN_JUL: |
ac41e67e | 2508 | MSG("=== Domain: java.util.logging (JUL) ===\n"); |
3c6a091f | 2509 | break; |
5cdb6027 | 2510 | case LTTNG_DOMAIN_LOG4J: |
ac41e67e | 2511 | MSG("=== Domain: log4j ===\n"); |
5cdb6027 | 2512 | break; |
0e115563 | 2513 | case LTTNG_DOMAIN_PYTHON: |
ac41e67e | 2514 | MSG("=== Domain: Python logging ===\n"); |
0e115563 | 2515 | break; |
9f19cc17 DG |
2516 | default: |
2517 | MSG("=== Domain: Unimplemented ===\n"); | |
2518 | break; | |
2519 | } | |
2520 | ||
fb14d0d8 | 2521 | if (lttng_opt_mi) { |
41493f4a SM |
2522 | ret = mi_lttng_domain(the_writer, |
2523 | &domains[i], 1); | |
fb14d0d8 JR |
2524 | if (ret) { |
2525 | ret = CMD_ERROR; | |
2526 | goto end; | |
2527 | } | |
2528 | } | |
2529 | ||
cd80958d | 2530 | /* Clean handle before creating a new one */ |
41493f4a SM |
2531 | if (the_handle) { |
2532 | lttng_destroy_handle(the_handle); | |
aa5de748 | 2533 | } |
cd80958d | 2534 | |
41493f4a SM |
2535 | the_handle = lttng_create_handle( |
2536 | session_name, &domains[i]); | |
2537 | if (the_handle == NULL) { | |
ca1c3607 | 2538 | ret = CMD_FATAL; |
cd80958d DG |
2539 | goto end; |
2540 | } | |
2541 | ||
5cdb6027 | 2542 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
0e115563 DG |
2543 | domains[i].type == LTTNG_DOMAIN_LOG4J || |
2544 | domains[i].type == LTTNG_DOMAIN_PYTHON) { | |
5cdb6027 | 2545 | ret = list_session_agent_events(); |
fb14d0d8 | 2546 | if (ret) { |
3c6a091f DG |
2547 | goto end; |
2548 | } | |
cd7b2927 PP |
2549 | |
2550 | goto next_domain; | |
3c6a091f | 2551 | } |
a5dfbb9d MD |
2552 | |
2553 | switch (domains[i].type) { | |
2554 | case LTTNG_DOMAIN_KERNEL: | |
2555 | case LTTNG_DOMAIN_UST: | |
83d6d6c4 | 2556 | ret = list_trackers(&domains[i]); |
a5dfbb9d MD |
2557 | if (ret) { |
2558 | goto end; | |
2559 | } | |
2560 | break; | |
2561 | default: | |
2562 | break; | |
2563 | } | |
3c6a091f | 2564 | |
cd80958d | 2565 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
2566 | if (ret) { |
2567 | goto end; | |
2568 | } | |
2569 | ||
cd7b2927 | 2570 | next_domain: |
fb14d0d8 JR |
2571 | if (lttng_opt_mi) { |
2572 | /* Close domain element */ | |
41493f4a SM |
2573 | ret = mi_lttng_writer_close_element( |
2574 | the_writer); | |
fb14d0d8 JR |
2575 | if (ret) { |
2576 | ret = CMD_ERROR; | |
2577 | goto end; | |
2578 | } | |
2579 | } | |
2580 | ||
2581 | } | |
2582 | if (lttng_opt_mi) { | |
2583 | /* Close the domains, session and sessions element */ | |
41493f4a SM |
2584 | ret = mi_lttng_close_multi_element( |
2585 | the_writer, 3); | |
fb14d0d8 JR |
2586 | if (ret) { |
2587 | ret = CMD_ERROR; | |
9f19cc17 DG |
2588 | goto end; |
2589 | } | |
2590 | } | |
2591 | } | |
f3ed775e DG |
2592 | } |
2593 | ||
fb14d0d8 JR |
2594 | /* Mi closing */ |
2595 | if (lttng_opt_mi) { | |
2596 | /* Close output element */ | |
41493f4a | 2597 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
2598 | if (ret) { |
2599 | ret = CMD_ERROR; | |
2600 | goto end; | |
2601 | } | |
2602 | ||
2603 | /* Command element close */ | |
41493f4a | 2604 | ret = mi_lttng_writer_command_close(the_writer); |
fb14d0d8 JR |
2605 | if (ret) { |
2606 | ret = CMD_ERROR; | |
2607 | goto end; | |
2608 | } | |
2609 | } | |
f3ed775e | 2610 | end: |
fb14d0d8 | 2611 | /* Mi clean-up */ |
41493f4a | 2612 | if (the_writer && mi_lttng_writer_destroy(the_writer)) { |
fb14d0d8 JR |
2613 | /* Preserve original error code */ |
2614 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
2615 | } | |
2616 | ||
0e428499 | 2617 | free(domains); |
41493f4a SM |
2618 | if (the_handle) { |
2619 | lttng_destroy_handle(the_handle); | |
aa5de748 | 2620 | } |
cd80958d | 2621 | |
ca1c3607 | 2622 | poptFreeContext(pc); |
f3ed775e DG |
2623 | return ret; |
2624 | } |