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