Commit | Line | Data |
---|---|---|
f3ed775e | 1 | /* |
90c106c6 | 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> | |
7a3d1328 | 16 | #include <assert.h> |
f3ed775e | 17 | |
fb14d0d8 | 18 | #include <common/mi-lttng.h> |
5b89fc92 | 19 | #include <common/time.h> |
159b042f | 20 | #include <common/tracker.h> |
1ceda6f1 | 21 | #include <lttng/domain-internal.h> |
050dd639 | 22 | #include <lttng/lttng.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 | ||
41493f4a SM |
52 | static struct lttng_handle *the_handle; |
53 | static struct mi_writer *the_writer; | |
cd80958d | 54 | |
e50e81d3 | 55 | /* Only set when listing a single session. */ |
41493f4a | 56 | static struct lttng_session the_listed_session; |
e50e81d3 | 57 | |
f3ed775e DG |
58 | static struct poptOption long_options[] = { |
59 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
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; | |
4df1f2d4 | 276 | char *binary_path; |
b955b4d4 FD |
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 | } | |
4df1f2d4 JG |
295 | |
296 | free(binary_path); | |
b955b4d4 FD |
297 | break; |
298 | } | |
299 | case LTTNG_USERSPACE_PROBE_LOCATION_TYPE_TRACEPOINT: | |
300 | { | |
301 | const char *probe_name, *provider_name; | |
4df1f2d4 | 302 | char *binary_path; |
b955b4d4 FD |
303 | |
304 | MSG("%sType: Tracepoint", indent8); | |
305 | probe_name = lttng_userspace_probe_location_tracepoint_get_probe_name(location); | |
306 | provider_name = lttng_userspace_probe_location_tracepoint_get_provider_name(location); | |
307 | binary_path = realpath(lttng_userspace_probe_location_tracepoint_get_binary_path(location), NULL); | |
308 | MSG("%sBinary path: %s", indent8, binary_path ? binary_path : "NULL"); | |
309 | MSG("%sTracepoint: %s:%s", indent8, provider_name ? provider_name : "NULL", probe_name ? probe_name : "NULL"); | |
310 | switch (lookup_type) { | |
311 | case LTTNG_USERSPACE_PROBE_LOCATION_LOOKUP_METHOD_TYPE_TRACEPOINT_SDT: | |
312 | MSG("%sLookup method: SDT", indent8); | |
313 | break; | |
314 | default: | |
315 | MSG("%sLookup method: INVALID LOOKUP TYPE ENCOUNTERED", indent8); | |
316 | break; | |
317 | } | |
4df1f2d4 JG |
318 | |
319 | free(binary_path); | |
b955b4d4 FD |
320 | break; |
321 | } | |
322 | default: | |
323 | ERR("Invalid probe type encountered"); | |
324 | } | |
325 | } | |
326 | ||
b551a063 DG |
327 | /* |
328 | * Pretty print single event. | |
329 | */ | |
330 | static void print_events(struct lttng_event *event) | |
331 | { | |
4adbcc72 PP |
332 | int ret; |
333 | const char *filter_str; | |
334 | char *filter_msg = NULL; | |
7b4a95b1 | 335 | char *exclusion_msg = NULL; |
4adbcc72 | 336 | |
134e72ed | 337 | ret = lttng_event_get_filter_expression(event, &filter_str); |
4adbcc72 PP |
338 | |
339 | if (ret) { | |
340 | filter_msg = strdup(" [failed to retrieve filter]"); | |
341 | } else if (filter_str) { | |
342 | const char * const filter_fmt = " [filter: '%s']"; | |
343 | ||
344 | filter_msg = malloc(strlen(filter_str) + | |
345 | strlen(filter_fmt) + 1); | |
346 | if (filter_msg) { | |
347 | sprintf(filter_msg, filter_fmt, | |
348 | filter_str); | |
349 | } | |
350 | } | |
351 | ||
7b4a95b1 PP |
352 | exclusion_msg = get_exclusion_names_msg(event); |
353 | if (!exclusion_msg) { | |
354 | exclusion_msg = strdup(" [failed to retrieve exclusions]"); | |
355 | } | |
356 | ||
b551a063 DG |
357 | switch (event->type) { |
358 | case LTTNG_EVENT_TRACEPOINT: | |
e4baff1e | 359 | { |
8b703175 | 360 | if (event->loglevel != -1) { |
af6bce80 | 361 | MSG("%s%s (loglevel%s %s (%d)) (type: tracepoint)%s%s%s", |
41493f4a SM |
362 | indent6, event->name, |
363 | logleveltype_string( | |
364 | event->loglevel_type), | |
365 | mi_lttng_loglevel_string( | |
366 | event->loglevel, | |
367 | the_handle->domain.type), | |
368 | event->loglevel, | |
369 | enabled_string(event->enabled), | |
370 | safe_string(exclusion_msg), | |
371 | safe_string(filter_msg)); | |
8b703175 | 372 | } else { |
4634f12e | 373 | MSG("%s%s (type: tracepoint)%s%s%s", |
8b703175 MD |
374 | indent6, |
375 | event->name, | |
fceb65df | 376 | enabled_string(event->enabled), |
7b4a95b1 PP |
377 | safe_string(exclusion_msg), |
378 | safe_string(filter_msg)); | |
8b703175 | 379 | } |
b551a063 | 380 | break; |
e4baff1e | 381 | } |
1896972b DG |
382 | case LTTNG_EVENT_FUNCTION: |
383 | MSG("%s%s (type: function)%s%s", indent6, | |
384 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 385 | safe_string(filter_msg)); |
1896972b DG |
386 | if (event->attr.probe.addr != 0) { |
387 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
388 | } else { | |
389 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
390 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
391 | } | |
392 | break; | |
b551a063 | 393 | case LTTNG_EVENT_PROBE: |
fceb65df MD |
394 | MSG("%s%s (type: probe)%s%s", indent6, |
395 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 396 | safe_string(filter_msg)); |
b551a063 DG |
397 | if (event->attr.probe.addr != 0) { |
398 | MSG("%saddr: 0x%" PRIx64, indent8, event->attr.probe.addr); | |
399 | } else { | |
400 | MSG("%soffset: 0x%" PRIx64, indent8, event->attr.probe.offset); | |
401 | MSG("%ssymbol: %s", indent8, event->attr.probe.symbol_name); | |
402 | } | |
403 | break; | |
b955b4d4 FD |
404 | case LTTNG_EVENT_USERSPACE_PROBE: |
405 | print_userspace_probe_location(event); | |
406 | break; | |
b551a063 | 407 | case LTTNG_EVENT_FUNCTION_ENTRY: |
fceb65df MD |
408 | MSG("%s%s (type: function)%s%s", indent6, |
409 | event->name, enabled_string(event->enabled), | |
7b4a95b1 | 410 | safe_string(filter_msg)); |
b551a063 DG |
411 | MSG("%ssymbol: \"%s\"", indent8, event->attr.ftrace.symbol_name); |
412 | break; | |
413 | case LTTNG_EVENT_SYSCALL: | |
2199ad66 | 414 | MSG("%s%s%s%s%s%s", indent6, event->name, |
834978fd | 415 | (opt_syscall ? "" : " (type:syscall)"), |
fceb65df | 416 | enabled_string(event->enabled), |
2199ad66 JG |
417 | bitness_event(event->flags), |
418 | safe_string(filter_msg)); | |
b551a063 DG |
419 | break; |
420 | case LTTNG_EVENT_NOOP: | |
fceb65df MD |
421 | MSG("%s (type: noop)%s%s", indent6, |
422 | enabled_string(event->enabled), | |
7b4a95b1 | 423 | safe_string(filter_msg)); |
b551a063 DG |
424 | break; |
425 | case LTTNG_EVENT_ALL: | |
410b78a0 FD |
426 | /* Fall-through. */ |
427 | default: | |
b551a063 DG |
428 | /* We should never have "all" events in list. */ |
429 | assert(0); | |
430 | break; | |
431 | } | |
4adbcc72 PP |
432 | |
433 | free(filter_msg); | |
7b4a95b1 | 434 | free(exclusion_msg); |
b551a063 DG |
435 | } |
436 | ||
f37d259d MD |
437 | static const char *field_type(struct lttng_event_field *field) |
438 | { | |
439 | switch(field->type) { | |
440 | case LTTNG_EVENT_FIELD_INTEGER: | |
441 | return "integer"; | |
442 | case LTTNG_EVENT_FIELD_ENUM: | |
443 | return "enum"; | |
444 | case LTTNG_EVENT_FIELD_FLOAT: | |
445 | return "float"; | |
446 | case LTTNG_EVENT_FIELD_STRING: | |
447 | return "string"; | |
448 | case LTTNG_EVENT_FIELD_OTHER: | |
449 | default: /* fall-through */ | |
450 | return "unknown"; | |
451 | } | |
452 | } | |
453 | ||
454 | /* | |
455 | * Pretty print single event fields. | |
456 | */ | |
457 | static void print_event_field(struct lttng_event_field *field) | |
458 | { | |
459 | if (!field->field_name[0]) { | |
460 | return; | |
461 | } | |
d8fbe2a9 | 462 | MSG("%sfield: %s (%s)%s", indent8, field->field_name, |
45a32634 | 463 | field_type(field), field->nowrite ? " [no write]" : ""); |
f37d259d MD |
464 | } |
465 | ||
fb14d0d8 JR |
466 | /* |
467 | * Machine interface | |
468 | * Jul and ust event listing | |
469 | */ | |
5cdb6027 | 470 | static int mi_list_agent_ust_events(struct lttng_event *events, int count, |
fb14d0d8 JR |
471 | struct lttng_domain *domain) |
472 | { | |
473 | int ret, i; | |
474 | pid_t cur_pid = 0; | |
475 | char *cmdline = NULL; | |
476 | int pid_element_open = 0; | |
477 | ||
478 | /* Open domains element */ | |
41493f4a | 479 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
480 | if (ret) { |
481 | goto end; | |
482 | } | |
483 | ||
484 | /* Write domain */ | |
41493f4a | 485 | ret = mi_lttng_domain(the_writer, domain, 1); |
fb14d0d8 JR |
486 | if (ret) { |
487 | goto end; | |
488 | } | |
489 | ||
bf239d4c | 490 | /* Open pids element element */ |
41493f4a | 491 | ret = mi_lttng_pids_open(the_writer); |
fb14d0d8 JR |
492 | if (ret) { |
493 | goto end; | |
494 | } | |
495 | ||
496 | for (i = 0; i < count; i++) { | |
497 | if (cur_pid != events[i].pid) { | |
498 | if (pid_element_open) { | |
2e9aecb9 | 499 | /* Close the previous events and pid element */ |
41493f4a SM |
500 | ret = mi_lttng_close_multi_element( |
501 | the_writer, 2); | |
fb14d0d8 JR |
502 | if (ret) { |
503 | goto end; | |
504 | } | |
505 | pid_element_open = 0; | |
506 | } | |
507 | ||
508 | cur_pid = events[i].pid; | |
509 | cmdline = get_cmdline_by_pid(cur_pid); | |
510 | if (!cmdline) { | |
511 | ret = CMD_ERROR; | |
512 | goto end; | |
513 | } | |
514 | ||
515 | if (!pid_element_open) { | |
516 | /* Open and write a pid element */ | |
41493f4a SM |
517 | ret = mi_lttng_pid(the_writer, cur_pid, cmdline, |
518 | 1); | |
fb14d0d8 JR |
519 | if (ret) { |
520 | goto error; | |
521 | } | |
522 | ||
523 | /* Open events element */ | |
41493f4a | 524 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 JR |
525 | if (ret) { |
526 | goto error; | |
527 | } | |
528 | ||
529 | pid_element_open = 1; | |
530 | } | |
531 | free(cmdline); | |
532 | } | |
533 | ||
534 | /* Write an event */ | |
41493f4a SM |
535 | ret = mi_lttng_event(the_writer, &events[i], 0, |
536 | the_handle->domain.type); | |
fb14d0d8 JR |
537 | if (ret) { |
538 | goto end; | |
539 | } | |
540 | } | |
541 | ||
bf239d4c | 542 | /* Close pids */ |
41493f4a | 543 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
544 | if (ret) { |
545 | goto end; | |
546 | } | |
547 | ||
548 | /* Close domain, domains */ | |
41493f4a | 549 | ret = mi_lttng_close_multi_element(the_writer, 2); |
fb14d0d8 JR |
550 | end: |
551 | return ret; | |
552 | error: | |
553 | free(cmdline); | |
554 | return ret; | |
555 | } | |
556 | ||
5cdb6027 | 557 | static int list_agent_events(void) |
3c6a091f | 558 | { |
fb14d0d8 | 559 | int i, size, ret = CMD_SUCCESS; |
3c6a091f | 560 | struct lttng_domain domain; |
26c610c9 | 561 | struct lttng_handle *handle = NULL; |
469b972b | 562 | struct lttng_event *event_list = NULL; |
3c6a091f DG |
563 | pid_t cur_pid = 0; |
564 | char *cmdline = NULL; | |
5cdb6027 | 565 | const char *agent_domain_str; |
3c6a091f DG |
566 | |
567 | memset(&domain, 0, sizeof(domain)); | |
5cdb6027 DG |
568 | if (opt_jul) { |
569 | domain.type = LTTNG_DOMAIN_JUL; | |
570 | } else if (opt_log4j) { | |
571 | domain.type = LTTNG_DOMAIN_LOG4J; | |
0e115563 DG |
572 | } else if (opt_python) { |
573 | domain.type = LTTNG_DOMAIN_PYTHON; | |
26c610c9 JG |
574 | } else { |
575 | ERR("Invalid agent domain selected."); | |
576 | ret = CMD_ERROR; | |
577 | goto error; | |
5cdb6027 DG |
578 | } |
579 | ||
1ceda6f1 | 580 | agent_domain_str = lttng_domain_type_str(domain.type); |
5cdb6027 DG |
581 | |
582 | DBG("Getting %s tracing events", agent_domain_str); | |
3c6a091f DG |
583 | |
584 | handle = lttng_create_handle(NULL, &domain); | |
585 | if (handle == NULL) { | |
fb14d0d8 JR |
586 | ret = CMD_ERROR; |
587 | goto end; | |
3c6a091f DG |
588 | } |
589 | ||
590 | size = lttng_list_tracepoints(handle, &event_list); | |
591 | if (size < 0) { | |
5cdb6027 DG |
592 | ERR("Unable to list %s events: %s", agent_domain_str, |
593 | lttng_strerror(size)); | |
fb14d0d8 JR |
594 | ret = CMD_ERROR; |
595 | goto end; | |
3c6a091f DG |
596 | } |
597 | ||
fb14d0d8 JR |
598 | if (lttng_opt_mi) { |
599 | /* Mi print */ | |
5cdb6027 | 600 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
601 | if (ret) { |
602 | ret = CMD_ERROR; | |
603 | goto error; | |
3c6a091f | 604 | } |
fb14d0d8 JR |
605 | } else { |
606 | /* Pretty print */ | |
5cdb6027 DG |
607 | MSG("%s events (Logger name):\n-------------------------", |
608 | agent_domain_str); | |
3c6a091f | 609 | |
fb14d0d8 JR |
610 | if (size == 0) { |
611 | MSG("None"); | |
612 | } | |
3c6a091f | 613 | |
fb14d0d8 JR |
614 | for (i = 0; i < size; i++) { |
615 | if (cur_pid != event_list[i].pid) { | |
616 | cur_pid = event_list[i].pid; | |
617 | cmdline = get_cmdline_by_pid(cur_pid); | |
618 | if (cmdline == NULL) { | |
619 | ret = CMD_ERROR; | |
620 | goto error; | |
621 | } | |
622 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
623 | free(cmdline); | |
624 | } | |
625 | MSG("%s- %s", indent6, event_list[i].name); | |
626 | } | |
3c6a091f | 627 | |
fb14d0d8 JR |
628 | MSG(""); |
629 | } | |
3c6a091f DG |
630 | |
631 | error: | |
fb14d0d8 JR |
632 | free(event_list); |
633 | end: | |
3c6a091f | 634 | lttng_destroy_handle(handle); |
fb14d0d8 | 635 | return ret; |
3c6a091f DG |
636 | } |
637 | ||
b551a063 DG |
638 | /* |
639 | * Ask session daemon for all user space tracepoints available. | |
640 | */ | |
641 | static int list_ust_events(void) | |
642 | { | |
fb14d0d8 | 643 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
644 | struct lttng_domain domain; |
645 | struct lttng_handle *handle; | |
bec97646 | 646 | struct lttng_event *event_list = NULL; |
b551a063 | 647 | pid_t cur_pid = 0; |
ea5cbc00 | 648 | char *cmdline = NULL; |
b551a063 | 649 | |
441c16a7 MD |
650 | memset(&domain, 0, sizeof(domain)); |
651 | ||
b551a063 DG |
652 | DBG("Getting UST tracing events"); |
653 | ||
654 | domain.type = LTTNG_DOMAIN_UST; | |
655 | ||
656 | handle = lttng_create_handle(NULL, &domain); | |
657 | if (handle == NULL) { | |
fb14d0d8 JR |
658 | ret = CMD_ERROR; |
659 | goto end; | |
b551a063 DG |
660 | } |
661 | ||
662 | size = lttng_list_tracepoints(handle, &event_list); | |
663 | if (size < 0) { | |
60e835ca | 664 | ERR("Unable to list UST events: %s", lttng_strerror(size)); |
fb14d0d8 JR |
665 | ret = CMD_ERROR; |
666 | goto error; | |
b551a063 DG |
667 | } |
668 | ||
fb14d0d8 JR |
669 | if (lttng_opt_mi) { |
670 | /* Mi print */ | |
5cdb6027 | 671 | ret = mi_list_agent_ust_events(event_list, size, &domain); |
fb14d0d8 JR |
672 | } else { |
673 | /* Pretty print */ | |
674 | MSG("UST events:\n-------------"); | |
675 | ||
676 | if (size == 0) { | |
677 | MSG("None"); | |
678 | } | |
679 | ||
680 | for (i = 0; i < size; i++) { | |
681 | if (cur_pid != event_list[i].pid) { | |
682 | cur_pid = event_list[i].pid; | |
683 | cmdline = get_cmdline_by_pid(cur_pid); | |
684 | if (cmdline == NULL) { | |
685 | ret = CMD_ERROR; | |
686 | goto error; | |
687 | } | |
688 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
689 | free(cmdline); | |
690 | } | |
691 | print_events(&event_list[i]); | |
692 | } | |
b551a063 | 693 | |
fb14d0d8 | 694 | MSG(""); |
b551a063 DG |
695 | } |
696 | ||
fb14d0d8 JR |
697 | error: |
698 | free(event_list); | |
699 | end: | |
700 | lttng_destroy_handle(handle); | |
701 | return ret; | |
702 | } | |
703 | ||
704 | /* | |
705 | * Machine interface | |
706 | * List all ust event with their fields | |
707 | */ | |
708 | static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count, | |
709 | struct lttng_domain *domain) | |
710 | { | |
711 | int ret, i; | |
712 | pid_t cur_pid = 0; | |
713 | char *cmdline = NULL; | |
714 | int pid_element_open = 0; | |
715 | int event_element_open = 0; | |
716 | struct lttng_event cur_event; | |
717 | ||
d113fbc8 JR |
718 | memset(&cur_event, 0, sizeof(cur_event)); |
719 | ||
fb14d0d8 | 720 | /* Open domains element */ |
41493f4a | 721 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
722 | if (ret) { |
723 | goto end; | |
724 | } | |
725 | ||
726 | /* Write domain */ | |
41493f4a | 727 | ret = mi_lttng_domain(the_writer, domain, 1); |
fb14d0d8 JR |
728 | if (ret) { |
729 | goto end; | |
730 | } | |
731 | ||
bf239d4c | 732 | /* Open pids element */ |
41493f4a | 733 | ret = mi_lttng_pids_open(the_writer); |
fb14d0d8 JR |
734 | if (ret) { |
735 | goto end; | |
736 | } | |
737 | ||
738 | for (i = 0; i < count; i++) { | |
739 | if (cur_pid != fields[i].event.pid) { | |
740 | if (pid_element_open) { | |
741 | if (event_element_open) { | |
485ca16f | 742 | /* Close the previous field element and event. */ |
41493f4a SM |
743 | ret = mi_lttng_close_multi_element( |
744 | the_writer, 2); | |
fb14d0d8 JR |
745 | if (ret) { |
746 | goto end; | |
747 | } | |
748 | event_element_open = 0; | |
749 | } | |
750 | /* Close the previous events, pid element */ | |
41493f4a SM |
751 | ret = mi_lttng_close_multi_element( |
752 | the_writer, 2); | |
fb14d0d8 JR |
753 | if (ret) { |
754 | goto end; | |
755 | } | |
756 | pid_element_open = 0; | |
757 | } | |
758 | ||
759 | cur_pid = fields[i].event.pid; | |
ea5cbc00 | 760 | cmdline = get_cmdline_by_pid(cur_pid); |
fb14d0d8 | 761 | if (!pid_element_open) { |
bf239d4c | 762 | /* Open and write a pid element */ |
41493f4a SM |
763 | ret = mi_lttng_pid(the_writer, cur_pid, cmdline, |
764 | 1); | |
fb14d0d8 JR |
765 | if (ret) { |
766 | goto error; | |
767 | } | |
768 | ||
769 | /* Open events element */ | |
41493f4a | 770 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 JR |
771 | if (ret) { |
772 | goto error; | |
773 | } | |
774 | pid_element_open = 1; | |
775 | } | |
ea5cbc00 | 776 | free(cmdline); |
fb14d0d8 JR |
777 | /* Wipe current event since we are about to print a new PID. */ |
778 | memset(&cur_event, 0, sizeof(cur_event)); | |
b551a063 | 779 | } |
b551a063 | 780 | |
fb14d0d8 JR |
781 | if (strcmp(cur_event.name, fields[i].event.name) != 0) { |
782 | if (event_element_open) { | |
783 | /* Close the previous fields element and the previous event */ | |
41493f4a SM |
784 | ret = mi_lttng_close_multi_element( |
785 | the_writer, 2); | |
fb14d0d8 JR |
786 | if (ret) { |
787 | goto end; | |
788 | } | |
789 | event_element_open = 0; | |
790 | } | |
791 | ||
792 | memcpy(&cur_event, &fields[i].event, | |
793 | sizeof(cur_event)); | |
b551a063 | 794 | |
fb14d0d8 JR |
795 | if (!event_element_open) { |
796 | /* Open and write the event */ | |
41493f4a SM |
797 | ret = mi_lttng_event(the_writer, &cur_event, 1, |
798 | the_handle->domain.type); | |
fb14d0d8 JR |
799 | if (ret) { |
800 | goto end; | |
801 | } | |
802 | ||
803 | /* Open a fields element */ | |
41493f4a | 804 | ret = mi_lttng_event_fields_open(the_writer); |
fb14d0d8 JR |
805 | if (ret) { |
806 | goto end; | |
807 | } | |
808 | event_element_open = 1; | |
809 | } | |
810 | } | |
b551a063 | 811 | |
fb14d0d8 | 812 | /* Print the event_field */ |
41493f4a | 813 | ret = mi_lttng_event_field(the_writer, &fields[i]); |
fb14d0d8 JR |
814 | if (ret) { |
815 | goto end; | |
816 | } | |
817 | } | |
b551a063 | 818 | |
83d6d6c4 | 819 | /* Close pids, domain, domains */ |
41493f4a | 820 | ret = mi_lttng_close_multi_element(the_writer, 3); |
fb14d0d8 JR |
821 | end: |
822 | return ret; | |
b551a063 | 823 | error: |
fb14d0d8 JR |
824 | free(cmdline); |
825 | return ret; | |
b551a063 | 826 | } |
f3ed775e | 827 | |
f37d259d MD |
828 | /* |
829 | * Ask session daemon for all user space tracepoint fields available. | |
830 | */ | |
831 | static int list_ust_event_fields(void) | |
832 | { | |
fb14d0d8 | 833 | int i, size, ret = CMD_SUCCESS; |
f37d259d MD |
834 | struct lttng_domain domain; |
835 | struct lttng_handle *handle; | |
836 | struct lttng_event_field *event_field_list; | |
837 | pid_t cur_pid = 0; | |
ea5cbc00 CB |
838 | char *cmdline = NULL; |
839 | ||
f37d259d MD |
840 | struct lttng_event cur_event; |
841 | ||
842 | memset(&domain, 0, sizeof(domain)); | |
843 | memset(&cur_event, 0, sizeof(cur_event)); | |
844 | ||
845 | DBG("Getting UST tracing event fields"); | |
846 | ||
847 | domain.type = LTTNG_DOMAIN_UST; | |
848 | ||
849 | handle = lttng_create_handle(NULL, &domain); | |
850 | if (handle == NULL) { | |
fb14d0d8 JR |
851 | ret = CMD_ERROR; |
852 | goto end; | |
f37d259d MD |
853 | } |
854 | ||
855 | size = lttng_list_tracepoint_fields(handle, &event_field_list); | |
856 | if (size < 0) { | |
60e835ca | 857 | ERR("Unable to list UST event fields: %s", lttng_strerror(size)); |
fb14d0d8 JR |
858 | ret = CMD_ERROR; |
859 | goto end; | |
f37d259d MD |
860 | } |
861 | ||
fb14d0d8 JR |
862 | if (lttng_opt_mi) { |
863 | /* Mi print */ | |
864 | ret = mi_list_ust_event_fields(event_field_list, size, &domain); | |
865 | if (ret) { | |
866 | ret = CMD_ERROR; | |
867 | goto error; | |
868 | } | |
869 | } else { | |
870 | /* Pretty print */ | |
871 | MSG("UST events:\n-------------"); | |
f37d259d | 872 | |
fb14d0d8 JR |
873 | if (size == 0) { |
874 | MSG("None"); | |
f37d259d | 875 | } |
fb14d0d8 JR |
876 | |
877 | for (i = 0; i < size; i++) { | |
878 | if (cur_pid != event_field_list[i].event.pid) { | |
879 | cur_pid = event_field_list[i].event.pid; | |
880 | cmdline = get_cmdline_by_pid(cur_pid); | |
881 | if (cmdline == NULL) { | |
882 | ret = CMD_ERROR; | |
883 | goto error; | |
884 | } | |
885 | MSG("\nPID: %d - Name: %s", cur_pid, cmdline); | |
886 | free(cmdline); | |
887 | /* Wipe current event since we are about to print a new PID. */ | |
888 | memset(&cur_event, 0, sizeof(cur_event)); | |
889 | } | |
890 | if (strcmp(cur_event.name, event_field_list[i].event.name) != 0) { | |
891 | print_events(&event_field_list[i].event); | |
892 | memcpy(&cur_event, &event_field_list[i].event, | |
893 | sizeof(cur_event)); | |
894 | } | |
895 | print_event_field(&event_field_list[i]); | |
f37d259d | 896 | } |
f37d259d | 897 | |
fb14d0d8 JR |
898 | MSG(""); |
899 | } | |
f37d259d | 900 | |
fb14d0d8 | 901 | error: |
f37d259d | 902 | free(event_field_list); |
fb14d0d8 | 903 | end: |
f37d259d | 904 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
905 | return ret; |
906 | } | |
f37d259d | 907 | |
fb14d0d8 JR |
908 | /* |
909 | * Machine interface | |
910 | * Print a list of kernel events | |
911 | */ | |
912 | static int mi_list_kernel_events(struct lttng_event *events, int count, | |
913 | struct lttng_domain *domain) | |
914 | { | |
915 | int ret, i; | |
f37d259d | 916 | |
fb14d0d8 | 917 | /* Open domains element */ |
41493f4a | 918 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
919 | if (ret) { |
920 | goto end; | |
921 | } | |
922 | ||
923 | /* Write domain */ | |
41493f4a | 924 | ret = mi_lttng_domain(the_writer, domain, 1); |
fb14d0d8 JR |
925 | if (ret) { |
926 | goto end; | |
927 | } | |
928 | ||
929 | /* Open events */ | |
41493f4a | 930 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 JR |
931 | if (ret) { |
932 | goto end; | |
933 | } | |
934 | ||
935 | for (i = 0; i < count; i++) { | |
41493f4a SM |
936 | ret = mi_lttng_event(the_writer, &events[i], 0, |
937 | the_handle->domain.type); | |
fb14d0d8 JR |
938 | if (ret) { |
939 | goto end; | |
940 | } | |
941 | } | |
942 | ||
943 | /* close events, domain and domains */ | |
41493f4a | 944 | ret = mi_lttng_close_multi_element(the_writer, 3); |
fb14d0d8 JR |
945 | if (ret) { |
946 | goto end; | |
947 | } | |
948 | ||
949 | end: | |
950 | return ret; | |
f37d259d MD |
951 | } |
952 | ||
f3ed775e | 953 | /* |
fb14d0d8 | 954 | * Ask for all trace events in the kernel |
f3ed775e | 955 | */ |
9f19cc17 | 956 | static int list_kernel_events(void) |
f3ed775e | 957 | { |
fb14d0d8 | 958 | int i, size, ret = CMD_SUCCESS; |
b551a063 DG |
959 | struct lttng_domain domain; |
960 | struct lttng_handle *handle; | |
9f19cc17 | 961 | struct lttng_event *event_list; |
f3ed775e | 962 | |
441c16a7 MD |
963 | memset(&domain, 0, sizeof(domain)); |
964 | ||
b551a063 DG |
965 | DBG("Getting kernel tracing events"); |
966 | ||
967 | domain.type = LTTNG_DOMAIN_KERNEL; | |
968 | ||
969 | handle = lttng_create_handle(NULL, &domain); | |
970 | if (handle == NULL) { | |
fb14d0d8 | 971 | ret = CMD_ERROR; |
b551a063 DG |
972 | goto error; |
973 | } | |
f3ed775e | 974 | |
cd80958d | 975 | size = lttng_list_tracepoints(handle, &event_list); |
9f19cc17 | 976 | if (size < 0) { |
60e835ca | 977 | ERR("Unable to list kernel events: %s", lttng_strerror(size)); |
ef021732 | 978 | lttng_destroy_handle(handle); |
fb14d0d8 | 979 | return CMD_ERROR; |
f3ed775e DG |
980 | } |
981 | ||
fb14d0d8 JR |
982 | if (lttng_opt_mi) { |
983 | /* Mi print */ | |
984 | ret = mi_list_kernel_events(event_list, size, &domain); | |
985 | if (ret) { | |
986 | ret = CMD_ERROR; | |
987 | goto end; | |
988 | } | |
989 | } else { | |
990 | MSG("Kernel events:\n-------------"); | |
f3ed775e | 991 | |
fb14d0d8 JR |
992 | for (i = 0; i < size; i++) { |
993 | print_events(&event_list[i]); | |
994 | } | |
f3ed775e | 995 | |
fb14d0d8 JR |
996 | MSG(""); |
997 | } | |
b551a063 | 998 | |
fb14d0d8 | 999 | end: |
f3ed775e DG |
1000 | free(event_list); |
1001 | ||
ef021732 | 1002 | lttng_destroy_handle(handle); |
fb14d0d8 | 1003 | return ret; |
b551a063 DG |
1004 | |
1005 | error: | |
ef021732 | 1006 | lttng_destroy_handle(handle); |
fb14d0d8 JR |
1007 | return ret; |
1008 | } | |
1009 | ||
834978fd DG |
1010 | /* |
1011 | * Machine interface | |
1012 | * Print a list of system calls. | |
1013 | */ | |
1014 | static int mi_list_syscalls(struct lttng_event *events, int count) | |
1015 | { | |
1016 | int ret, i; | |
1017 | ||
1018 | /* Open events */ | |
41493f4a | 1019 | ret = mi_lttng_events_open(the_writer); |
834978fd DG |
1020 | if (ret) { |
1021 | goto end; | |
1022 | } | |
1023 | ||
1024 | for (i = 0; i < count; i++) { | |
41493f4a SM |
1025 | ret = mi_lttng_event(the_writer, &events[i], 0, |
1026 | the_handle->domain.type); | |
834978fd DG |
1027 | if (ret) { |
1028 | goto end; | |
1029 | } | |
1030 | } | |
1031 | ||
1032 | /* Close events. */ | |
41493f4a | 1033 | ret = mi_lttng_writer_close_element(the_writer); |
834978fd DG |
1034 | if (ret) { |
1035 | goto end; | |
1036 | } | |
1037 | ||
1038 | end: | |
1039 | return ret; | |
1040 | } | |
1041 | ||
1042 | /* | |
1043 | * Ask for kernel system calls. | |
1044 | */ | |
1045 | static int list_syscalls(void) | |
1046 | { | |
1047 | int i, size, ret = CMD_SUCCESS; | |
1048 | struct lttng_event *event_list; | |
1049 | ||
1050 | DBG("Getting kernel system call events"); | |
1051 | ||
1052 | size = lttng_list_syscalls(&event_list); | |
1053 | if (size < 0) { | |
1054 | ERR("Unable to list system calls: %s", lttng_strerror(size)); | |
1055 | ret = CMD_ERROR; | |
1056 | goto error; | |
1057 | } | |
1058 | ||
1059 | if (lttng_opt_mi) { | |
1060 | /* Mi print */ | |
1061 | ret = mi_list_syscalls(event_list, size); | |
1062 | if (ret) { | |
1063 | ret = CMD_ERROR; | |
1064 | goto end; | |
1065 | } | |
1066 | } else { | |
1067 | MSG("System calls:\n-------------"); | |
1068 | ||
1069 | for (i = 0; i < size; i++) { | |
1070 | print_events(&event_list[i]); | |
1071 | } | |
1072 | ||
1073 | MSG(""); | |
1074 | } | |
1075 | ||
1076 | end: | |
1077 | free(event_list); | |
1078 | return ret; | |
1079 | ||
1080 | error: | |
1081 | return ret; | |
1082 | } | |
1083 | ||
fb14d0d8 JR |
1084 | /* |
1085 | * Machine Interface | |
5cdb6027 | 1086 | * Print a list of agent events |
fb14d0d8 | 1087 | */ |
5cdb6027 | 1088 | static int mi_list_session_agent_events(struct lttng_event *events, int count) |
fb14d0d8 JR |
1089 | { |
1090 | int ret, i; | |
1091 | ||
1092 | /* Open events element */ | |
41493f4a | 1093 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 JR |
1094 | if (ret) { |
1095 | goto end; | |
1096 | } | |
1097 | ||
1098 | for (i = 0; i < count; i++) { | |
41493f4a SM |
1099 | ret = mi_lttng_event(the_writer, &events[i], 0, |
1100 | the_handle->domain.type); | |
fb14d0d8 JR |
1101 | if (ret) { |
1102 | goto end; | |
1103 | } | |
1104 | } | |
1105 | ||
1106 | /* Close events element */ | |
41493f4a | 1107 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
1108 | |
1109 | end: | |
1110 | return ret; | |
f3ed775e DG |
1111 | } |
1112 | ||
3c6a091f | 1113 | /* |
5cdb6027 | 1114 | * List agent events for a specific session using the handle. |
3c6a091f DG |
1115 | * |
1116 | * Return CMD_SUCCESS on success else a negative value. | |
1117 | */ | |
5cdb6027 | 1118 | static int list_session_agent_events(void) |
3c6a091f | 1119 | { |
fb14d0d8 | 1120 | int ret = CMD_SUCCESS, count, i; |
3c6a091f DG |
1121 | struct lttng_event *events = NULL; |
1122 | ||
41493f4a | 1123 | count = lttng_list_events(the_handle, "", &events); |
3c6a091f | 1124 | if (count < 0) { |
fb14d0d8 JR |
1125 | ret = CMD_ERROR; |
1126 | ERR("%s", lttng_strerror(count)); | |
3c6a091f DG |
1127 | goto error; |
1128 | } | |
1129 | ||
fb14d0d8 JR |
1130 | if (lttng_opt_mi) { |
1131 | /* Mi print */ | |
5cdb6027 | 1132 | ret = mi_list_session_agent_events(events, count); |
fb14d0d8 JR |
1133 | if (ret) { |
1134 | ret = CMD_ERROR; | |
1135 | goto end; | |
1136 | } | |
1137 | } else { | |
1138 | /* Pretty print */ | |
1139 | MSG("Events (Logger name):\n---------------------"); | |
1140 | if (count == 0) { | |
1141 | MSG("%sNone\n", indent6); | |
1142 | goto end; | |
1143 | } | |
1144 | ||
1145 | for (i = 0; i < count; i++) { | |
9a890ce8 JG |
1146 | const char *filter_str; |
1147 | char *filter_msg = NULL; | |
1148 | struct lttng_event *event = &events[i]; | |
1149 | ||
134e72ed JG |
1150 | ret = lttng_event_get_filter_expression(event, |
1151 | &filter_str); | |
9a890ce8 JG |
1152 | if (ret) { |
1153 | filter_msg = strdup(" [failed to retrieve filter]"); | |
1154 | } else if (filter_str) { | |
1155 | const char * const filter_fmt = | |
1156 | " [filter: '%s']"; | |
1157 | ||
1158 | filter_msg = malloc(strlen(filter_str) + | |
1159 | strlen(filter_fmt) + 1); | |
1160 | if (filter_msg) { | |
00505bae JG |
1161 | sprintf(filter_msg, filter_fmt, |
1162 | filter_str); | |
9a890ce8 JG |
1163 | } |
1164 | } | |
1165 | ||
1166 | if (event->loglevel_type != | |
755066c2 | 1167 | LTTNG_EVENT_LOGLEVEL_ALL) { |
9a890ce8 JG |
1168 | MSG("%s- %s%s (loglevel%s %s)%s", indent4, |
1169 | event->name, | |
1170 | enabled_string(event->enabled), | |
755066c2 | 1171 | logleveltype_string( |
41493f4a | 1172 | event->loglevel_type), |
755066c2 | 1173 | mi_lttng_loglevel_string( |
41493f4a SM |
1174 | event->loglevel, |
1175 | the_handle->domain | |
1176 | .type), | |
7b4a95b1 | 1177 | safe_string(filter_msg)); |
755066c2 | 1178 | } else { |
9a890ce8 JG |
1179 | MSG("%s- %s%s%s", indent4, event->name, |
1180 | enabled_string(event->enabled), | |
7b4a95b1 | 1181 | safe_string(filter_msg)); |
755066c2 | 1182 | } |
9a890ce8 | 1183 | free(filter_msg); |
fb14d0d8 JR |
1184 | } |
1185 | ||
1186 | MSG(""); | |
1187 | } | |
1188 | ||
1189 | end: | |
1190 | free(events); | |
1191 | error: | |
1192 | return ret; | |
1193 | } | |
1194 | ||
1195 | /* | |
1196 | * Machine interface | |
1197 | * print a list of event | |
1198 | */ | |
1199 | static int mi_list_events(struct lttng_event *events, int count) | |
1200 | { | |
1201 | int ret, i; | |
1202 | ||
1203 | /* Open events element */ | |
41493f4a | 1204 | ret = mi_lttng_events_open(the_writer); |
fb14d0d8 | 1205 | if (ret) { |
3c6a091f DG |
1206 | goto end; |
1207 | } | |
1208 | ||
1209 | for (i = 0; i < count; i++) { | |
41493f4a SM |
1210 | ret = mi_lttng_event(the_writer, &events[i], 0, |
1211 | the_handle->domain.type); | |
fb14d0d8 JR |
1212 | if (ret) { |
1213 | goto end; | |
1214 | } | |
3c6a091f DG |
1215 | } |
1216 | ||
fb14d0d8 | 1217 | /* Close events element */ |
41493f4a | 1218 | ret = mi_lttng_writer_close_element(the_writer); |
3c6a091f DG |
1219 | |
1220 | end: | |
3c6a091f DG |
1221 | return ret; |
1222 | } | |
1223 | ||
f3ed775e | 1224 | /* |
9f19cc17 | 1225 | * List events of channel of session and domain. |
f3ed775e | 1226 | */ |
cd80958d | 1227 | static int list_events(const char *channel_name) |
f3ed775e | 1228 | { |
fb14d0d8 | 1229 | int ret = CMD_SUCCESS, count, i; |
9f19cc17 | 1230 | struct lttng_event *events = NULL; |
f3ed775e | 1231 | |
41493f4a | 1232 | count = lttng_list_events(the_handle, channel_name, &events); |
f3ed775e | 1233 | if (count < 0) { |
fb14d0d8 JR |
1234 | ret = CMD_ERROR; |
1235 | ERR("%s", lttng_strerror(count)); | |
f3ed775e DG |
1236 | goto error; |
1237 | } | |
1238 | ||
fb14d0d8 JR |
1239 | if (lttng_opt_mi) { |
1240 | /* Mi print */ | |
1241 | ret = mi_list_events(events, count); | |
1242 | if (ret) { | |
1243 | ret = CMD_ERROR; | |
1244 | goto end; | |
1245 | } | |
1246 | } else { | |
1247 | /* Pretty print */ | |
484b2a0c | 1248 | MSG("\n%sRecording event rules:", indent4); |
fb14d0d8 JR |
1249 | if (count == 0) { |
1250 | MSG("%sNone\n", indent6); | |
1251 | goto end; | |
1252 | } | |
f3ed775e | 1253 | |
fb14d0d8 JR |
1254 | for (i = 0; i < count; i++) { |
1255 | print_events(&events[i]); | |
1256 | } | |
f3ed775e | 1257 | |
fb14d0d8 JR |
1258 | MSG(""); |
1259 | } | |
9f19cc17 | 1260 | end: |
0e428499 | 1261 | free(events); |
f3ed775e DG |
1262 | error: |
1263 | return ret; | |
1264 | } | |
1265 | ||
f3b3a67b JG |
1266 | static |
1267 | void print_timer(const char *timer_name, uint32_t space_count, int64_t value) | |
1268 | { | |
1269 | uint32_t i; | |
1270 | ||
1271 | _MSG("%s%s:", indent6, timer_name); | |
1272 | for (i = 0; i < space_count; i++) { | |
1273 | _MSG(" "); | |
1274 | } | |
1275 | ||
1276 | if (value) { | |
2a1135fa | 1277 | MSG("%" PRId64 " %s", value, USEC_UNIT); |
f3b3a67b JG |
1278 | } else { |
1279 | MSG("inactive"); | |
1280 | } | |
1281 | } | |
1282 | ||
f3ed775e | 1283 | /* |
9f19cc17 DG |
1284 | * Pretty print channel |
1285 | */ | |
1286 | static void print_channel(struct lttng_channel *channel) | |
1287 | { | |
fb83fe64 | 1288 | int ret; |
cf0bcb51 | 1289 | uint64_t discarded_events, lost_packets, monitor_timer_interval; |
491d1539 | 1290 | int64_t blocking_timeout; |
fb83fe64 JD |
1291 | |
1292 | ret = lttng_channel_get_discarded_event_count(channel, | |
1293 | &discarded_events); | |
1294 | if (ret) { | |
1295 | ERR("Failed to retrieve discarded event count of channel"); | |
1296 | return; | |
1297 | } | |
1298 | ||
1299 | ret = lttng_channel_get_lost_packet_count(channel, | |
1300 | &lost_packets); | |
1301 | if (ret) { | |
1302 | ERR("Failed to retrieve lost packet count of channel"); | |
1303 | return; | |
1304 | } | |
1305 | ||
cf0bcb51 JG |
1306 | ret = lttng_channel_get_monitor_timer_interval(channel, |
1307 | &monitor_timer_interval); | |
1308 | if (ret) { | |
1309 | ERR("Failed to retrieve monitor interval of channel"); | |
1310 | return; | |
1311 | } | |
1312 | ||
491d1539 MD |
1313 | ret = lttng_channel_get_blocking_timeout(channel, |
1314 | &blocking_timeout); | |
1315 | if (ret) { | |
1316 | ERR("Failed to retrieve blocking timeout of channel"); | |
1317 | return; | |
1318 | } | |
1319 | ||
464dd62d | 1320 | MSG("- %s:%s\n", channel->name, enabled_string(channel->enabled)); |
9f19cc17 | 1321 | MSG("%sAttributes:", indent4); |
f3b3a67b JG |
1322 | MSG("%sEvent-loss mode: %s", indent6, channel->attr.overwrite ? "overwrite" : "discard"); |
1323 | MSG("%sSub-buffer size: %" PRIu64 " bytes", indent6, channel->attr.subbuf_size); | |
1324 | MSG("%sSub-buffer count: %" PRIu64, indent6, channel->attr.num_subbuf); | |
1325 | ||
1326 | print_timer("Switch timer", 5, channel->attr.switch_timer_interval); | |
1327 | print_timer("Read timer", 7, channel->attr.read_timer_interval); | |
1328 | print_timer("Monitor timer", 4, monitor_timer_interval); | |
1329 | ||
1330 | if (!channel->attr.overwrite) { | |
1331 | if (blocking_timeout == -1) { | |
1332 | MSG("%sBlocking timeout: infinite", indent6); | |
1333 | } else { | |
2a1135fa JG |
1334 | MSG("%sBlocking timeout: %" PRId64 " %s", indent6, |
1335 | blocking_timeout, USEC_UNIT); | |
f3b3a67b JG |
1336 | } |
1337 | } | |
1338 | ||
1339 | MSG("%sTrace file count: %" PRIu64 " per stream", indent6, | |
1340 | channel->attr.tracefile_count == 0 ? | |
1341 | 1 : channel->attr.tracefile_count); | |
1342 | if (channel->attr.tracefile_size != 0 ) { | |
1343 | MSG("%sTrace file size: %" PRIu64 " bytes", indent6, | |
1344 | channel->attr.tracefile_size); | |
1345 | } else { | |
1346 | MSG("%sTrace file size: %s", indent6, "unlimited"); | |
1347 | } | |
9f19cc17 DG |
1348 | switch (channel->attr.output) { |
1349 | case LTTNG_EVENT_SPLICE: | |
f3b3a67b | 1350 | MSG("%sOutput mode: splice", indent6); |
9f19cc17 DG |
1351 | break; |
1352 | case LTTNG_EVENT_MMAP: | |
f3b3a67b | 1353 | MSG("%sOutput mode: mmap", indent6); |
9f19cc17 DG |
1354 | break; |
1355 | } | |
e50e81d3 | 1356 | |
f3b3a67b | 1357 | MSG("\n%sStatistics:", indent4); |
41493f4a | 1358 | if (the_listed_session.snapshot_mode) { |
e50e81d3 JG |
1359 | /* |
1360 | * The lost packet count is omitted for sessions in snapshot | |
1361 | * mode as it is misleading: it would indicate the number of | |
1362 | * packets that the consumer could not extract during the | |
1363 | * course of recording the snapshot. It does not have the | |
1364 | * same meaning as the "regular" lost packet count that | |
1365 | * would result from the consumer not keeping up with | |
1366 | * event production in an overwrite-mode channel. | |
1367 | * | |
1368 | * A more interesting statistic would be the number of | |
1369 | * packets lost between the first and last extracted | |
1370 | * packets of a given snapshot (which prevents most analyses). | |
1371 | */ | |
f3b3a67b | 1372 | MSG("%sNone", indent6); |
e50e81d3 JG |
1373 | goto skip_stats_printing; |
1374 | } | |
1375 | ||
1376 | if (!channel->attr.overwrite) { | |
f3b3a67b | 1377 | MSG("%sDiscarded events: %" PRIu64, indent6, discarded_events); |
e50e81d3 | 1378 | } else { |
f3b3a67b | 1379 | MSG("%sLost packets: %" PRIu64, indent6, lost_packets); |
e50e81d3 JG |
1380 | } |
1381 | skip_stats_printing: | |
1382 | return; | |
9f19cc17 DG |
1383 | } |
1384 | ||
fb14d0d8 JR |
1385 | /* |
1386 | * Machine interface | |
1387 | * Print a list of channel | |
1388 | * | |
1389 | */ | |
1390 | static int mi_list_channels(struct lttng_channel *channels, int count, | |
1391 | const char *channel_name) | |
1392 | { | |
1393 | int i, ret; | |
1394 | unsigned int chan_found = 0; | |
1395 | ||
1396 | /* Open channels element */ | |
41493f4a | 1397 | ret = mi_lttng_channels_open(the_writer); |
fb14d0d8 JR |
1398 | if (ret) { |
1399 | goto error; | |
1400 | } | |
1401 | ||
1402 | for (i = 0; i < count; i++) { | |
1403 | if (channel_name != NULL) { | |
1404 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1405 | chan_found = 1; | |
1406 | } else { | |
1407 | continue; | |
1408 | } | |
1409 | } | |
1410 | ||
1411 | /* Write channel element and leave it open */ | |
41493f4a | 1412 | ret = mi_lttng_channel(the_writer, &channels[i], 1); |
fb14d0d8 JR |
1413 | if (ret) { |
1414 | goto error; | |
1415 | } | |
1416 | ||
1417 | /* Listing events per channel */ | |
1418 | ret = list_events(channels[i].name); | |
1419 | if (ret) { | |
1420 | goto error; | |
1421 | } | |
1422 | ||
1423 | /* Closing the channel element we opened earlier */ | |
41493f4a | 1424 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
1425 | if (ret) { |
1426 | goto error; | |
1427 | } | |
1428 | ||
1429 | if (chan_found) { | |
1430 | break; | |
1431 | } | |
1432 | } | |
1433 | ||
1434 | /* Close channels element */ | |
41493f4a | 1435 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
1436 | if (ret) { |
1437 | goto error; | |
1438 | } | |
1439 | ||
1440 | error: | |
1441 | return ret; | |
1442 | } | |
1443 | ||
9f19cc17 DG |
1444 | /* |
1445 | * List channel(s) of session and domain. | |
f3ed775e | 1446 | * |
9f19cc17 | 1447 | * If channel_name is NULL, all channels are listed. |
f3ed775e | 1448 | */ |
cd80958d | 1449 | static int list_channels(const char *channel_name) |
f3ed775e | 1450 | { |
9f19cc17 DG |
1451 | int count, i, ret = CMD_SUCCESS; |
1452 | unsigned int chan_found = 0; | |
1453 | struct lttng_channel *channels = NULL; | |
f3ed775e | 1454 | |
3e25cb20 | 1455 | DBG("Listing channel(s) (%s)", channel_name ? : "<all>"); |
9f19cc17 | 1456 | |
41493f4a | 1457 | count = lttng_list_channels(the_handle, &channels); |
f3ed775e | 1458 | if (count < 0) { |
c7d620a2 DG |
1459 | switch (-count) { |
1460 | case LTTNG_ERR_KERN_CHAN_NOT_FOUND: | |
fb14d0d8 JR |
1461 | if (lttng_opt_mi) { |
1462 | /* When printing mi this is not an error | |
1463 | * but an empty channels element */ | |
1464 | count = 0; | |
1465 | } else { | |
1466 | ret = CMD_SUCCESS; | |
fb14d0d8 JR |
1467 | goto error_channels; |
1468 | } | |
c7d620a2 DG |
1469 | break; |
1470 | default: | |
1471 | /* We had a real error */ | |
fb14d0d8 JR |
1472 | ret = CMD_ERROR; |
1473 | ERR("%s", lttng_strerror(count)); | |
1474 | goto error_channels; | |
60e835ca | 1475 | break; |
c7d620a2 | 1476 | } |
f3ed775e DG |
1477 | } |
1478 | ||
fb14d0d8 JR |
1479 | if (lttng_opt_mi) { |
1480 | /* Mi print */ | |
1481 | ret = mi_list_channels(channels, count, channel_name); | |
1482 | if (ret) { | |
1483 | ret = CMD_ERROR; | |
1484 | goto error; | |
1485 | } | |
1486 | } else { | |
1487 | /* Pretty print */ | |
ade7ce52 | 1488 | if (count) { |
fb14d0d8 JR |
1489 | MSG("Channels:\n-------------"); |
1490 | } | |
9f19cc17 | 1491 | |
fb14d0d8 JR |
1492 | for (i = 0; i < count; i++) { |
1493 | if (channel_name != NULL) { | |
1494 | if (strncmp(channels[i].name, channel_name, NAME_MAX) == 0) { | |
1495 | chan_found = 1; | |
1496 | } else { | |
1497 | continue; | |
1498 | } | |
1499 | } | |
1500 | print_channel(&channels[i]); | |
1501 | ||
1502 | /* Listing events per channel */ | |
1503 | ret = list_events(channels[i].name); | |
1504 | if (ret) { | |
1505 | goto error; | |
1506 | } | |
1507 | ||
1508 | if (chan_found) { | |
1509 | break; | |
9f19cc17 DG |
1510 | } |
1511 | } | |
9f19cc17 | 1512 | |
fb14d0d8 JR |
1513 | if (!chan_found && channel_name != NULL) { |
1514 | ret = CMD_ERROR; | |
1515 | ERR("Channel %s not found", channel_name); | |
1516 | goto error; | |
9f19cc17 | 1517 | } |
fb14d0d8 JR |
1518 | } |
1519 | error: | |
1520 | free(channels); | |
9f19cc17 | 1521 | |
fb14d0d8 JR |
1522 | error_channels: |
1523 | return ret; | |
1524 | } | |
1525 | ||
159b042f | 1526 | static const char *get_capitalized_process_attr_str(enum lttng_process_attr process_attr) |
83d6d6c4 | 1527 | { |
159b042f JG |
1528 | switch (process_attr) { |
1529 | case LTTNG_PROCESS_ATTR_PROCESS_ID: | |
1530 | return "Process ID"; | |
1531 | case LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID: | |
1532 | return "Virtual process ID"; | |
1533 | case LTTNG_PROCESS_ATTR_USER_ID: | |
1534 | return "User ID"; | |
1535 | case LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID: | |
1536 | return "Virtual user ID"; | |
1537 | case LTTNG_PROCESS_ATTR_GROUP_ID: | |
1538 | return "Group ID"; | |
1539 | case LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID: | |
1540 | return "Virtual group ID"; | |
1541 | default: | |
1542 | return "Unknown"; | |
83d6d6c4 JR |
1543 | } |
1544 | return NULL; | |
1545 | } | |
1546 | ||
159b042f JG |
1547 | static int handle_process_attr_status(enum lttng_process_attr process_attr, |
1548 | enum lttng_process_attr_tracker_handle_status status) | |
1549 | { | |
1550 | int ret = CMD_SUCCESS; | |
1551 | ||
1552 | switch (status) { | |
1553 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_INVALID_TRACKING_POLICY: | |
1554 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_OK: | |
1555 | /* Carry on. */ | |
1556 | break; | |
1557 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_COMMUNICATION_ERROR: | |
1558 | ERR("Communication occurred while fetching %s tracker", | |
1559 | lttng_process_attr_to_string(process_attr)); | |
1560 | ret = CMD_ERROR; | |
1561 | break; | |
1562 | case LTTNG_PROCESS_ATTR_TRACKER_HANDLE_STATUS_SESSION_DOES_NOT_EXIST: | |
1563 | ERR("Failed to get the inclusion set of the %s tracker: session `%s` no longer exists", | |
1564 | lttng_process_attr_to_string(process_attr), | |
41493f4a | 1565 | the_handle->session_name); |
159b042f JG |
1566 | ret = CMD_ERROR; |
1567 | break; | |
1568 | default: | |
1569 | ERR("Unknown error occurred while fetching the inclusion set of the %s tracker", | |
1570 | lttng_process_attr_to_string(process_attr)); | |
1571 | ret = CMD_ERROR; | |
1572 | break; | |
1573 | } | |
1574 | ||
1575 | return ret; | |
1576 | } | |
1577 | ||
1578 | static int mi_output_empty_tracker(enum lttng_process_attr process_attr) | |
1579 | { | |
1580 | int ret; | |
1581 | ||
41493f4a | 1582 | ret = mi_lttng_process_attribute_tracker_open(the_writer, process_attr); |
159b042f JG |
1583 | if (ret) { |
1584 | goto end; | |
1585 | } | |
1586 | ||
41493f4a | 1587 | ret = mi_lttng_close_multi_element(the_writer, 2); |
159b042f JG |
1588 | end: |
1589 | return ret; | |
1590 | } | |
1591 | ||
1592 | static inline bool is_value_type_name( | |
1593 | enum lttng_process_attr_value_type value_type) | |
1594 | { | |
1595 | return value_type == LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME || | |
1596 | value_type == LTTNG_PROCESS_ATTR_VALUE_TYPE_GROUP_NAME; | |
1597 | } | |
1598 | ||
a5dfbb9d | 1599 | /* |
159b042f | 1600 | * List a process attribute tracker for a session and domain tuple. |
a5dfbb9d | 1601 | */ |
159b042f | 1602 | static int list_process_attr_tracker(enum lttng_process_attr process_attr) |
a5dfbb9d | 1603 | { |
ebbf5ab7 | 1604 | int ret = 0; |
159b042f JG |
1605 | unsigned int count, i; |
1606 | enum lttng_tracking_policy policy; | |
1607 | enum lttng_error_code ret_code; | |
1608 | enum lttng_process_attr_tracker_handle_status handle_status; | |
1609 | enum lttng_process_attr_values_status values_status; | |
1610 | const struct lttng_process_attr_values *values; | |
1611 | struct lttng_process_attr_tracker_handle *tracker_handle = NULL; | |
1612 | ||
41493f4a SM |
1613 | ret_code = lttng_session_get_tracker_handle(the_handle->session_name, |
1614 | the_handle->domain.type, process_attr, &tracker_handle); | |
159b042f JG |
1615 | if (ret_code != LTTNG_OK) { |
1616 | ERR("Failed to get process attribute tracker handle: %s", | |
1617 | lttng_strerror(ret_code)); | |
1618 | ret = CMD_ERROR; | |
1619 | goto end; | |
1620 | } | |
a5dfbb9d | 1621 | |
159b042f JG |
1622 | handle_status = lttng_process_attr_tracker_handle_get_inclusion_set( |
1623 | tracker_handle, &values); | |
1624 | ret = handle_process_attr_status(process_attr, handle_status); | |
1625 | if (ret != CMD_SUCCESS) { | |
1626 | goto end; | |
a5dfbb9d | 1627 | } |
a7a533cd | 1628 | |
159b042f JG |
1629 | handle_status = lttng_process_attr_tracker_handle_get_tracking_policy( |
1630 | tracker_handle, &policy); | |
1631 | ret = handle_process_attr_status(process_attr, handle_status); | |
1632 | if (ret != CMD_SUCCESS) { | |
e283e4a0 JR |
1633 | goto end; |
1634 | } | |
1635 | ||
159b042f JG |
1636 | { |
1637 | char *process_attr_name; | |
1638 | const int print_ret = asprintf(&process_attr_name, "%ss:", | |
1639 | get_capitalized_process_attr_str(process_attr)); | |
1640 | ||
1641 | if (print_ret == -1) { | |
1642 | ret = CMD_FATAL; | |
1643 | goto end; | |
a7a533cd | 1644 | } |
159b042f JG |
1645 | _MSG(" %-22s", process_attr_name); |
1646 | free(process_attr_name); | |
1647 | } | |
1648 | switch (policy) { | |
1649 | case LTTNG_TRACKING_POLICY_INCLUDE_SET: | |
1650 | break; | |
1651 | case LTTNG_TRACKING_POLICY_EXCLUDE_ALL: | |
41493f4a | 1652 | if (the_writer) { |
159b042f JG |
1653 | mi_output_empty_tracker(process_attr); |
1654 | } | |
1655 | MSG("none"); | |
1656 | ret = CMD_SUCCESS; | |
1657 | goto end; | |
1658 | case LTTNG_TRACKING_POLICY_INCLUDE_ALL: | |
1659 | MSG("all"); | |
1660 | ret = CMD_SUCCESS; | |
1661 | goto end; | |
1662 | default: | |
1663 | ERR("Unknown tracking policy encoutered while listing the %s process attribute tracker of session `%s`", | |
1664 | lttng_process_attr_to_string(process_attr), | |
41493f4a | 1665 | the_handle->session_name); |
159b042f JG |
1666 | ret = CMD_FATAL; |
1667 | goto end; | |
83d6d6c4 | 1668 | } |
a7a533cd | 1669 | |
159b042f JG |
1670 | values_status = lttng_process_attr_values_get_count(values, &count); |
1671 | if (values_status != LTTNG_PROCESS_ATTR_VALUES_STATUS_OK) { | |
1672 | ERR("Failed to get the count of values in the inclusion set of the %s process attribute tracker of session `%s`", | |
1673 | lttng_process_attr_to_string(process_attr), | |
41493f4a | 1674 | the_handle->session_name); |
159b042f JG |
1675 | ret = CMD_FATAL; |
1676 | goto end; | |
1677 | } | |
a5dfbb9d | 1678 | |
159b042f JG |
1679 | if (count == 0) { |
1680 | /* Functionally equivalent to the 'exclude all' policy. */ | |
41493f4a | 1681 | if (the_writer) { |
159b042f | 1682 | mi_output_empty_tracker(process_attr); |
ebbf5ab7 | 1683 | } |
159b042f JG |
1684 | MSG("none"); |
1685 | ret = CMD_SUCCESS; | |
1686 | goto end; | |
1687 | } | |
ebbf5ab7 | 1688 | |
159b042f | 1689 | /* Mi tracker_id element */ |
41493f4a | 1690 | if (the_writer) { |
159b042f JG |
1691 | /* Open tracker_id and targets elements */ |
1692 | ret = mi_lttng_process_attribute_tracker_open( | |
41493f4a | 1693 | the_writer, process_attr); |
159b042f JG |
1694 | if (ret) { |
1695 | goto end; | |
1696 | } | |
1697 | } | |
2d97a006 | 1698 | |
159b042f JG |
1699 | for (i = 0; i < count; i++) { |
1700 | const enum lttng_process_attr_value_type value_type = | |
1701 | lttng_process_attr_values_get_type_at_index( | |
1702 | values, i); | |
1703 | int64_t integral_value = INT64_MAX; | |
1704 | const char *name = "error"; | |
1705 | ||
1706 | if (i >= 1) { | |
1707 | _MSG(", "); | |
1708 | } | |
1709 | switch (value_type) { | |
1710 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_PID: | |
1711 | { | |
1712 | pid_t pid; | |
1713 | ||
1714 | values_status = lttng_process_attr_values_get_pid_at_index( | |
1715 | values, i, &pid); | |
1716 | integral_value = (int64_t) pid; | |
1717 | break; | |
1718 | } | |
1719 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_UID: | |
1720 | { | |
1721 | uid_t uid; | |
a7a533cd | 1722 | |
159b042f JG |
1723 | values_status = lttng_process_attr_values_get_uid_at_index( |
1724 | values, i, &uid); | |
1725 | integral_value = (int64_t) uid; | |
1726 | break; | |
1727 | } | |
1728 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GID: | |
1729 | { | |
1730 | gid_t gid; | |
2d97a006 | 1731 | |
159b042f JG |
1732 | values_status = lttng_process_attr_values_get_gid_at_index( |
1733 | values, i, &gid); | |
1734 | integral_value = (int64_t) gid; | |
1735 | break; | |
1736 | } | |
1737 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_USER_NAME: | |
1738 | values_status = lttng_process_attr_values_get_user_name_at_index( | |
1739 | values, i, &name); | |
1740 | break; | |
1741 | case LTTNG_PROCESS_ATTR_VALUE_TYPE_GROUP_NAME: | |
1742 | values_status = lttng_process_attr_values_get_group_name_at_index( | |
1743 | values, i, &name); | |
1744 | break; | |
1745 | default: | |
1746 | ret = CMD_ERROR; | |
1747 | goto end; | |
1748 | } | |
83d6d6c4 | 1749 | |
159b042f JG |
1750 | if (values_status != LTTNG_PROCESS_ATTR_VALUES_STATUS_OK) { |
1751 | /* | |
1752 | * Not possible given the current liblttng-ctl | |
1753 | * implementation. | |
1754 | */ | |
1755 | ERR("Unknown error occurred while fetching process attribute value in inclusion list"); | |
1756 | ret = CMD_FATAL; | |
1757 | goto end; | |
1758 | } | |
ebbf5ab7 | 1759 | |
159b042f JG |
1760 | if (is_value_type_name(value_type)) { |
1761 | _MSG("`%s`", name); | |
1762 | } else { | |
1763 | _MSG("%" PRIi64, integral_value); | |
a5dfbb9d | 1764 | } |
ebbf5ab7 | 1765 | |
159b042f | 1766 | /* Mi */ |
41493f4a | 1767 | if (the_writer) { |
159b042f JG |
1768 | ret = is_value_type_name(value_type) ? |
1769 | mi_lttng_string_process_attribute_value( | |
41493f4a SM |
1770 | the_writer, |
1771 | process_attr, name, | |
1772 | false) : | |
159b042f | 1773 | mi_lttng_integral_process_attribute_value( |
41493f4a SM |
1774 | the_writer, |
1775 | process_attr, | |
1776 | integral_value, false); | |
ebbf5ab7 JR |
1777 | if (ret) { |
1778 | goto end; | |
1779 | } | |
1780 | } | |
a5dfbb9d | 1781 | } |
159b042f JG |
1782 | MSG(""); |
1783 | ||
1784 | /* Mi close tracker_id and targets */ | |
41493f4a SM |
1785 | if (the_writer) { |
1786 | ret = mi_lttng_close_multi_element(the_writer, 2); | |
159b042f JG |
1787 | if (ret) { |
1788 | goto end; | |
1789 | } | |
1790 | } | |
ebbf5ab7 | 1791 | end: |
159b042f | 1792 | lttng_process_attr_tracker_handle_destroy(tracker_handle); |
ebbf5ab7 | 1793 | return ret; |
ebbf5ab7 JR |
1794 | } |
1795 | ||
1796 | /* | |
83d6d6c4 | 1797 | * List all trackers of a domain |
ebbf5ab7 | 1798 | */ |
83d6d6c4 | 1799 | static int list_trackers(const struct lttng_domain *domain) |
ebbf5ab7 | 1800 | { |
0dda6728 | 1801 | int ret = 0; |
ebbf5ab7 | 1802 | |
159b042f | 1803 | MSG("Tracked process attributes"); |
ebbf5ab7 JR |
1804 | /* Trackers listing */ |
1805 | if (lttng_opt_mi) { | |
41493f4a | 1806 | ret = mi_lttng_trackers_open(the_writer); |
ebbf5ab7 JR |
1807 | if (ret) { |
1808 | goto end; | |
1809 | } | |
1810 | } | |
1811 | ||
83d6d6c4 JR |
1812 | switch (domain->type) { |
1813 | case LTTNG_DOMAIN_KERNEL: | |
1814 | /* pid tracker */ | |
159b042f | 1815 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_PROCESS_ID); |
83d6d6c4 JR |
1816 | if (ret) { |
1817 | goto end; | |
1818 | } | |
1819 | /* vpid tracker */ | |
159b042f JG |
1820 | ret = list_process_attr_tracker( |
1821 | LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID); | |
83d6d6c4 JR |
1822 | if (ret) { |
1823 | goto end; | |
1824 | } | |
1825 | /* uid tracker */ | |
159b042f | 1826 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_USER_ID); |
83d6d6c4 JR |
1827 | if (ret) { |
1828 | goto end; | |
1829 | } | |
1830 | /* vuid tracker */ | |
159b042f JG |
1831 | ret = list_process_attr_tracker( |
1832 | LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID); | |
83d6d6c4 JR |
1833 | if (ret) { |
1834 | goto end; | |
1835 | } | |
1836 | /* gid tracker */ | |
159b042f | 1837 | ret = list_process_attr_tracker(LTTNG_PROCESS_ATTR_GROUP_ID); |
83d6d6c4 JR |
1838 | if (ret) { |
1839 | goto end; | |
1840 | } | |
1841 | /* vgid tracker */ | |
159b042f JG |
1842 | ret = list_process_attr_tracker( |
1843 | LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID); | |
83d6d6c4 JR |
1844 | if (ret) { |
1845 | goto end; | |
1846 | } | |
1847 | break; | |
1848 | case LTTNG_DOMAIN_UST: | |
1849 | /* vpid tracker */ | |
159b042f JG |
1850 | ret = list_process_attr_tracker( |
1851 | LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID); | |
83d6d6c4 JR |
1852 | if (ret) { |
1853 | goto end; | |
1854 | } | |
1855 | /* vuid tracker */ | |
159b042f JG |
1856 | ret = list_process_attr_tracker( |
1857 | LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID); | |
83d6d6c4 JR |
1858 | if (ret) { |
1859 | goto end; | |
1860 | } | |
1861 | /* vgid tracker */ | |
159b042f JG |
1862 | ret = list_process_attr_tracker( |
1863 | LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID); | |
83d6d6c4 JR |
1864 | if (ret) { |
1865 | goto end; | |
1866 | } | |
1867 | break; | |
1868 | default: | |
1869 | break; | |
ebbf5ab7 | 1870 | } |
159b042f | 1871 | MSG(); |
ebbf5ab7 JR |
1872 | if (lttng_opt_mi) { |
1873 | /* Close trackers element */ | |
41493f4a | 1874 | ret = mi_lttng_writer_close_element(the_writer); |
ebbf5ab7 JR |
1875 | if (ret) { |
1876 | goto end; | |
1877 | } | |
1878 | } | |
1879 | ||
1880 | end: | |
1881 | return ret; | |
a5dfbb9d MD |
1882 | } |
1883 | ||
66ea93b1 JG |
1884 | static enum cmd_error_code print_periodic_rotation_schedule( |
1885 | const struct lttng_rotation_schedule *schedule) | |
1886 | { | |
1887 | enum cmd_error_code ret; | |
1888 | enum lttng_rotation_status status; | |
1889 | uint64_t value; | |
1890 | ||
1891 | status = lttng_rotation_schedule_periodic_get_period(schedule, | |
1892 | &value); | |
1893 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1894 | ERR("Failed to retrieve period parameter from periodic rotation schedule."); | |
1895 | ret = CMD_ERROR; | |
1896 | goto end; | |
1897 | } | |
1898 | ||
2a1135fa | 1899 | MSG(" timer period: %" PRIu64" %s", value, USEC_UNIT); |
66ea93b1 JG |
1900 | ret = CMD_SUCCESS; |
1901 | end: | |
1902 | return ret; | |
1903 | } | |
1904 | ||
1905 | static enum cmd_error_code print_size_threshold_rotation_schedule( | |
1906 | const struct lttng_rotation_schedule *schedule) | |
1907 | { | |
1908 | enum cmd_error_code ret; | |
1909 | enum lttng_rotation_status status; | |
1910 | uint64_t value; | |
1911 | ||
1912 | status = lttng_rotation_schedule_size_threshold_get_threshold(schedule, | |
1913 | &value); | |
1914 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1915 | ERR("Failed to retrieve size parameter from size-based rotation schedule."); | |
1916 | ret = CMD_ERROR; | |
1917 | goto end; | |
1918 | } | |
1919 | ||
1920 | MSG(" size threshold: %" PRIu64" bytes", value); | |
66ea93b1 JG |
1921 | ret = CMD_SUCCESS; |
1922 | end: | |
1923 | return ret; | |
1924 | } | |
1925 | ||
1926 | static enum cmd_error_code print_rotation_schedule( | |
1927 | const struct lttng_rotation_schedule *schedule) | |
1928 | { | |
1929 | enum cmd_error_code ret; | |
1930 | ||
1931 | switch (lttng_rotation_schedule_get_type(schedule)) { | |
1932 | case LTTNG_ROTATION_SCHEDULE_TYPE_SIZE_THRESHOLD: | |
1933 | ret = print_size_threshold_rotation_schedule(schedule); | |
1934 | break; | |
1935 | case LTTNG_ROTATION_SCHEDULE_TYPE_PERIODIC: | |
1936 | ret = print_periodic_rotation_schedule(schedule); | |
1937 | break; | |
1938 | default: | |
1939 | ret = CMD_ERROR; | |
1940 | } | |
1941 | return ret; | |
1942 | } | |
1943 | ||
329f3443 | 1944 | /* |
66ea93b1 | 1945 | * List the automatic rotation settings. |
329f3443 | 1946 | */ |
66ea93b1 | 1947 | static enum cmd_error_code list_rotate_settings(const char *session_name) |
329f3443 JD |
1948 | { |
1949 | int ret; | |
66ea93b1 JG |
1950 | enum cmd_error_code cmd_ret = CMD_SUCCESS; |
1951 | unsigned int count, i; | |
1952 | struct lttng_rotation_schedules *schedules = NULL; | |
1953 | enum lttng_rotation_status status; | |
1954 | ||
1955 | ret = lttng_session_list_rotation_schedules(session_name, &schedules); | |
1956 | if (ret != LTTNG_OK) { | |
1957 | ERR("Failed to list session rotation schedules: %s", lttng_strerror(ret)); | |
1958 | cmd_ret = CMD_ERROR; | |
329f3443 JD |
1959 | goto end; |
1960 | } | |
1961 | ||
66ea93b1 JG |
1962 | status = lttng_rotation_schedules_get_count(schedules, &count); |
1963 | if (status != LTTNG_ROTATION_STATUS_OK) { | |
1964 | ERR("Failed to retrieve the number of session rotation schedules."); | |
1965 | cmd_ret = CMD_ERROR; | |
329f3443 JD |
1966 | goto end; |
1967 | } | |
1968 | ||
66ea93b1 JG |
1969 | if (count == 0) { |
1970 | cmd_ret = CMD_SUCCESS; | |
329f3443 JD |
1971 | goto end; |
1972 | } | |
1973 | ||
66ea93b1 JG |
1974 | MSG("Automatic rotation schedules:"); |
1975 | if (lttng_opt_mi) { | |
41493f4a | 1976 | ret = mi_lttng_writer_open_element(the_writer, |
66ea93b1 JG |
1977 | mi_lttng_element_rotation_schedules); |
1978 | if (ret) { | |
1979 | cmd_ret = CMD_ERROR; | |
1980 | goto end; | |
329f3443 JD |
1981 | } |
1982 | } | |
66ea93b1 JG |
1983 | |
1984 | for (i = 0; i < count; i++) { | |
1985 | enum cmd_error_code tmp_ret = CMD_SUCCESS; | |
1986 | const struct lttng_rotation_schedule *schedule; | |
1987 | ||
1988 | schedule = lttng_rotation_schedules_get_at_index(schedules, i); | |
1989 | if (!schedule) { | |
1990 | ERR("Failed to retrieve session rotation schedule."); | |
1991 | cmd_ret = CMD_ERROR; | |
1992 | goto end; | |
1993 | } | |
1994 | ||
329f3443 | 1995 | if (lttng_opt_mi) { |
41493f4a | 1996 | ret = mi_lttng_rotation_schedule(the_writer, schedule); |
329f3443 | 1997 | if (ret) { |
66ea93b1 | 1998 | tmp_ret = CMD_ERROR; |
329f3443 | 1999 | } |
66ea93b1 JG |
2000 | } else { |
2001 | tmp_ret = print_rotation_schedule(schedule); | |
329f3443 | 2002 | } |
66ea93b1 JG |
2003 | |
2004 | /* | |
2005 | * Report an error if the serialization of any of the | |
2006 | * descriptors failed. | |
2007 | */ | |
2008 | cmd_ret = cmd_ret ? cmd_ret : tmp_ret; | |
329f3443 | 2009 | } |
329f3443 | 2010 | |
66ea93b1 JG |
2011 | _MSG("\n"); |
2012 | if (lttng_opt_mi) { | |
2013 | /* Close the rotation_schedules element. */ | |
41493f4a | 2014 | ret = mi_lttng_writer_close_element(the_writer); |
66ea93b1 JG |
2015 | if (ret) { |
2016 | cmd_ret = CMD_ERROR; | |
2017 | goto end; | |
2018 | } | |
2019 | } | |
329f3443 | 2020 | end: |
66ea93b1 JG |
2021 | lttng_rotation_schedules_destroy(schedules); |
2022 | return cmd_ret; | |
329f3443 JD |
2023 | } |
2024 | ||
fb14d0d8 JR |
2025 | /* |
2026 | * Machine interface | |
2027 | * Find the session with session_name as name | |
2028 | * and print his informations. | |
2029 | */ | |
2030 | static int mi_list_session(const char *session_name, | |
2031 | struct lttng_session *sessions, int count) | |
2032 | { | |
2033 | int ret, i; | |
2034 | unsigned int session_found = 0; | |
2035 | ||
2036 | if (session_name == NULL) { | |
2037 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
2038 | goto end; | |
2039 | } | |
2040 | ||
2041 | for (i = 0; i < count; i++) { | |
2042 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
2043 | /* We need to leave it open to append other informations | |
2044 | * like domain, channel, events etc.*/ | |
2045 | session_found = 1; | |
41493f4a | 2046 | ret = mi_lttng_session(the_writer, &sessions[i], 1); |
fb14d0d8 JR |
2047 | if (ret) { |
2048 | goto end; | |
2049 | } | |
9f19cc17 | 2050 | break; |
f3ed775e | 2051 | } |
f3ed775e DG |
2052 | } |
2053 | ||
fb14d0d8 JR |
2054 | if (!session_found) { |
2055 | ERR("Session '%s' not found", session_name); | |
2056 | ret = -LTTNG_ERR_SESS_NOT_FOUND; | |
2057 | goto end; | |
9f19cc17 | 2058 | } |
f3ed775e | 2059 | |
fb14d0d8 JR |
2060 | end: |
2061 | return ret; | |
2062 | } | |
f3ed775e | 2063 | |
fb14d0d8 JR |
2064 | /* |
2065 | * Machine interface | |
2066 | * List all availables session | |
2067 | */ | |
2068 | static int mi_list_sessions(struct lttng_session *sessions, int count) | |
2069 | { | |
2070 | int ret, i; | |
ae856491 | 2071 | |
fb14d0d8 | 2072 | /* Opening sessions element */ |
41493f4a | 2073 | ret = mi_lttng_sessions_open(the_writer); |
fb14d0d8 JR |
2074 | if (ret) { |
2075 | goto end; | |
2076 | } | |
2077 | ||
2078 | /* Listing sessions */ | |
2079 | for (i = 0; i < count; i++) { | |
41493f4a | 2080 | ret = mi_lttng_session(the_writer, &sessions[i], 0); |
fb14d0d8 JR |
2081 | if (ret) { |
2082 | goto end; | |
2083 | } | |
2084 | } | |
2085 | ||
2086 | /* Closing sessions element */ | |
41493f4a | 2087 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
2088 | if (ret) { |
2089 | goto end; | |
2090 | } | |
2091 | ||
2092 | end: | |
f3ed775e DG |
2093 | return ret; |
2094 | } | |
2095 | ||
2096 | /* | |
9f19cc17 | 2097 | * List available tracing session. List only basic information. |
f3ed775e | 2098 | * |
9f19cc17 | 2099 | * If session_name is NULL, all sessions are listed. |
f3ed775e | 2100 | */ |
9f19cc17 | 2101 | static int list_sessions(const char *session_name) |
f3ed775e | 2102 | { |
fb14d0d8 JR |
2103 | int ret = CMD_SUCCESS; |
2104 | int count, i; | |
9f19cc17 | 2105 | unsigned int session_found = 0; |
aff0fa72 | 2106 | struct lttng_session *sessions = NULL; |
9f19cc17 DG |
2107 | |
2108 | count = lttng_list_sessions(&sessions); | |
2109 | DBG("Session count %d", count); | |
2110 | if (count < 0) { | |
fb14d0d8 JR |
2111 | ret = CMD_ERROR; |
2112 | ERR("%s", lttng_strerror(count)); | |
d32fb093 | 2113 | goto end; |
9f19cc17 DG |
2114 | } |
2115 | ||
fb14d0d8 JR |
2116 | if (lttng_opt_mi) { |
2117 | /* Mi */ | |
2118 | if (session_name == NULL) { | |
aff0fa72 | 2119 | /* List all sessions */ |
fb14d0d8 JR |
2120 | ret = mi_list_sessions(sessions, count); |
2121 | } else { | |
2122 | /* Note : this return an open session element */ | |
2123 | ret = mi_list_session(session_name, sessions, count); | |
2124 | } | |
2125 | if (ret) { | |
2126 | ret = CMD_ERROR; | |
aff0fa72 | 2127 | goto end; |
fb14d0d8 JR |
2128 | } |
2129 | } else { | |
2130 | /* Pretty print */ | |
2131 | if (count == 0) { | |
aaae4813 | 2132 | MSG("Currently no available recording session"); |
fb14d0d8 JR |
2133 | goto end; |
2134 | } | |
9f19cc17 | 2135 | |
fb14d0d8 | 2136 | if (session_name == NULL) { |
aaae4813 | 2137 | MSG("Available recording sessions:"); |
fb14d0d8 JR |
2138 | } |
2139 | ||
fb14d0d8 JR |
2140 | for (i = 0; i < count; i++) { |
2141 | if (session_name != NULL) { | |
2142 | if (strncmp(sessions[i].name, session_name, NAME_MAX) == 0) { | |
2143 | session_found = 1; | |
aaae4813 | 2144 | MSG("Recording session %s: [%s%s]", session_name, |
fb14d0d8 JR |
2145 | active_string(sessions[i].enabled), |
2146 | snapshot_string(sessions[i].snapshot_mode)); | |
5b89fc92 JG |
2147 | if (*sessions[i].path) { |
2148 | MSG("%sTrace output: %s\n", indent4, sessions[i].path); | |
2149 | } | |
41493f4a SM |
2150 | memcpy(&the_listed_session, |
2151 | &sessions[i], | |
2152 | sizeof(the_listed_session)); | |
fb14d0d8 JR |
2153 | break; |
2154 | } | |
2155 | } else { | |
5b89fc92 JG |
2156 | MSG(" %d) %s [%s%s]", i + 1, |
2157 | sessions[i].name, | |
2cbf8fed DG |
2158 | active_string(sessions[i].enabled), |
2159 | snapshot_string(sessions[i].snapshot_mode)); | |
5b89fc92 JG |
2160 | if (*sessions[i].path) { |
2161 | MSG("%sTrace output: %s", indent4, sessions[i].path); | |
2162 | } | |
fcbc96a2 | 2163 | if (sessions[i].live_timer_interval != 0) { |
5b89fc92 JG |
2164 | MSG("%sLive timer interval: %u %s", indent4, |
2165 | sessions[i].live_timer_interval, | |
2166 | USEC_UNIT); | |
fcbc96a2 JG |
2167 | } |
2168 | MSG(""); | |
9f19cc17 | 2169 | } |
fb14d0d8 JR |
2170 | } |
2171 | ||
2172 | if (!session_found && session_name != NULL) { | |
2173 | ERR("Session '%s' not found", session_name); | |
2174 | ret = CMD_ERROR; | |
aff0fa72 | 2175 | goto end; |
fb14d0d8 JR |
2176 | } |
2177 | ||
2178 | if (session_name == NULL) { | |
2179 | MSG("\nUse lttng list <session_name> for more details"); | |
9f19cc17 DG |
2180 | } |
2181 | } | |
2182 | ||
fb14d0d8 | 2183 | end: |
aff0fa72 | 2184 | free(sessions); |
fb14d0d8 JR |
2185 | return ret; |
2186 | } | |
9f19cc17 | 2187 | |
fb14d0d8 JR |
2188 | |
2189 | /* | |
2190 | * Machine Interface | |
2191 | * list available domain(s) for a session. | |
2192 | */ | |
2193 | static int mi_list_domains(struct lttng_domain *domains, int count) | |
2194 | { | |
2195 | int i, ret; | |
2196 | /* Open domains element */ | |
41493f4a | 2197 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
2198 | if (ret) { |
2199 | goto end; | |
9f19cc17 DG |
2200 | } |
2201 | ||
fb14d0d8 | 2202 | for (i = 0; i < count; i++) { |
41493f4a | 2203 | ret = mi_lttng_domain(the_writer, &domains[i], 0); |
fb14d0d8 JR |
2204 | if (ret) { |
2205 | goto end; | |
2206 | } | |
9f19cc17 | 2207 | } |
f3ed775e | 2208 | |
fb14d0d8 | 2209 | /* Closing domains element */ |
41493f4a | 2210 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
2211 | if (ret) { |
2212 | goto end; | |
2213 | } | |
d32fb093 | 2214 | end: |
f3ed775e DG |
2215 | return ret; |
2216 | } | |
f3ed775e DG |
2217 | |
2218 | /* | |
9f19cc17 | 2219 | * List available domain(s) for a session. |
f3ed775e | 2220 | */ |
330be774 | 2221 | static int list_domains(const char *session_name) |
f3ed775e | 2222 | { |
9f19cc17 DG |
2223 | int i, count, ret = CMD_SUCCESS; |
2224 | struct lttng_domain *domains = NULL; | |
2225 | ||
9f19cc17 | 2226 | |
330be774 | 2227 | count = lttng_list_domains(session_name, &domains); |
9f19cc17 | 2228 | if (count < 0) { |
fb14d0d8 JR |
2229 | ret = CMD_ERROR; |
2230 | ERR("%s", lttng_strerror(count)); | |
9f19cc17 DG |
2231 | goto end; |
2232 | } | |
2233 | ||
fb14d0d8 JR |
2234 | if (lttng_opt_mi) { |
2235 | /* Mi output */ | |
2236 | ret = mi_list_domains(domains, count); | |
2237 | if (ret) { | |
2238 | ret = CMD_ERROR; | |
2239 | goto error; | |
2240 | } | |
2241 | } else { | |
2242 | /* Pretty print */ | |
2243 | MSG("Domains:\n-------------"); | |
2244 | if (count == 0) { | |
2245 | MSG(" None"); | |
2246 | goto end; | |
2247 | } | |
2248 | ||
2249 | for (i = 0; i < count; i++) { | |
2250 | switch (domains[i].type) { | |
2251 | case LTTNG_DOMAIN_KERNEL: | |
2252 | MSG(" - Kernel"); | |
2253 | break; | |
2254 | case LTTNG_DOMAIN_UST: | |
2255 | MSG(" - UST global"); | |
2256 | break; | |
2257 | case LTTNG_DOMAIN_JUL: | |
2258 | MSG(" - JUL (Java Util Logging)"); | |
2259 | break; | |
5cdb6027 DG |
2260 | case LTTNG_DOMAIN_LOG4J: |
2261 | MSG(" - LOG4j (Logging for Java)"); | |
2262 | break; | |
0e115563 DG |
2263 | case LTTNG_DOMAIN_PYTHON: |
2264 | MSG(" - Python (logging)"); | |
2265 | break; | |
fb14d0d8 JR |
2266 | default: |
2267 | break; | |
2268 | } | |
9f19cc17 DG |
2269 | } |
2270 | } | |
2271 | ||
fb14d0d8 | 2272 | error: |
9f19cc17 DG |
2273 | free(domains); |
2274 | ||
fb14d0d8 | 2275 | end: |
9f19cc17 | 2276 | return ret; |
f3ed775e | 2277 | } |
f3ed775e DG |
2278 | |
2279 | /* | |
9f19cc17 | 2280 | * The 'list <options>' first level command |
f3ed775e DG |
2281 | */ |
2282 | int cmd_list(int argc, const char **argv) | |
2283 | { | |
c617c0c6 | 2284 | int opt, ret = CMD_SUCCESS; |
b7f4ea0f | 2285 | const char *arg_session_name, *leftover = NULL; |
f3ed775e | 2286 | static poptContext pc; |
9f19cc17 DG |
2287 | struct lttng_domain domain; |
2288 | struct lttng_domain *domains = NULL; | |
f3ed775e | 2289 | |
441c16a7 MD |
2290 | memset(&domain, 0, sizeof(domain)); |
2291 | ||
9f19cc17 | 2292 | if (argc < 1) { |
ca1c3607 | 2293 | ret = CMD_ERROR; |
f3ed775e DG |
2294 | goto end; |
2295 | } | |
2296 | ||
2297 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
2298 | poptReadDefaultConfig(pc, 0); | |
2299 | ||
2300 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
2301 | switch (opt) { | |
2302 | case OPT_HELP: | |
4ba92f18 | 2303 | SHOW_HELP(); |
f3ed775e | 2304 | goto end; |
eeac7d46 MD |
2305 | case OPT_USERSPACE: |
2306 | opt_userspace = 1; | |
eeac7d46 | 2307 | break; |
679b4943 SM |
2308 | case OPT_LIST_OPTIONS: |
2309 | list_cmd_options(stdout, long_options); | |
679b4943 | 2310 | goto end; |
f3ed775e | 2311 | default: |
f3ed775e DG |
2312 | ret = CMD_UNDEFINED; |
2313 | goto end; | |
2314 | } | |
2315 | } | |
2316 | ||
fb14d0d8 JR |
2317 | /* Mi check */ |
2318 | if (lttng_opt_mi) { | |
41493f4a SM |
2319 | the_writer = mi_lttng_writer_create( |
2320 | fileno(stdout), lttng_opt_mi); | |
2321 | if (!the_writer) { | |
fb14d0d8 JR |
2322 | ret = CMD_ERROR; |
2323 | goto end; | |
2324 | } | |
2325 | ||
2326 | /* Open command element */ | |
41493f4a SM |
2327 | ret = mi_lttng_writer_command_open( |
2328 | the_writer, mi_lttng_element_command_list); | |
fb14d0d8 JR |
2329 | if (ret) { |
2330 | ret = CMD_ERROR; | |
2331 | goto end; | |
2332 | } | |
2333 | ||
2334 | /* Open output element */ | |
41493f4a SM |
2335 | ret = mi_lttng_writer_open_element( |
2336 | the_writer, mi_lttng_element_command_output); | |
fb14d0d8 JR |
2337 | if (ret) { |
2338 | ret = CMD_ERROR; | |
2339 | goto end; | |
2340 | } | |
2341 | } | |
2342 | ||
9f19cc17 | 2343 | /* Get session name (trailing argument) */ |
b7f4ea0f MJ |
2344 | arg_session_name = poptGetArg(pc); |
2345 | DBG2("Session name: %s", arg_session_name); | |
9f19cc17 | 2346 | |
68c7f6e5 JD |
2347 | leftover = poptGetArg(pc); |
2348 | if (leftover) { | |
2349 | ERR("Unknown argument: %s", leftover); | |
2350 | ret = CMD_ERROR; | |
2351 | goto end; | |
2352 | } | |
2353 | ||
cd80958d DG |
2354 | if (opt_kernel) { |
2355 | domain.type = LTTNG_DOMAIN_KERNEL; | |
b551a063 DG |
2356 | } else if (opt_userspace) { |
2357 | DBG2("Listing userspace global domain"); | |
2358 | domain.type = LTTNG_DOMAIN_UST; | |
3c6a091f DG |
2359 | } else if (opt_jul) { |
2360 | DBG2("Listing JUL domain"); | |
2361 | domain.type = LTTNG_DOMAIN_JUL; | |
edf60534 | 2362 | } else if (opt_log4j) { |
5cdb6027 | 2363 | domain.type = LTTNG_DOMAIN_LOG4J; |
0e115563 DG |
2364 | } else if (opt_python) { |
2365 | domain.type = LTTNG_DOMAIN_PYTHON; | |
cd80958d DG |
2366 | } |
2367 | ||
834978fd DG |
2368 | if (!opt_kernel && opt_syscall) { |
2369 | WARN("--syscall will only work with the Kernel domain (-k)"); | |
2370 | ret = CMD_ERROR; | |
2371 | goto end; | |
2372 | } | |
2373 | ||
0e115563 | 2374 | if (opt_kernel || opt_userspace || opt_jul || opt_log4j || opt_python) { |
b7f4ea0f | 2375 | the_handle = lttng_create_handle(arg_session_name, &domain); |
41493f4a | 2376 | if (the_handle == NULL) { |
aa5de748 MD |
2377 | ret = CMD_FATAL; |
2378 | goto end; | |
2379 | } | |
cd80958d DG |
2380 | } |
2381 | ||
b7f4ea0f | 2382 | if (arg_session_name == NULL) { |
0e115563 DG |
2383 | if (!opt_kernel && !opt_userspace && !opt_jul && !opt_log4j |
2384 | && !opt_python) { | |
b551a063 | 2385 | ret = list_sessions(NULL); |
fb14d0d8 | 2386 | if (ret) { |
b551a063 DG |
2387 | goto end; |
2388 | } | |
2389 | } | |
9f19cc17 | 2390 | if (opt_kernel) { |
834978fd DG |
2391 | if (opt_syscall) { |
2392 | ret = list_syscalls(); | |
2393 | if (ret) { | |
2394 | goto end; | |
2395 | } | |
2396 | } else { | |
2397 | ret = list_kernel_events(); | |
2398 | if (ret) { | |
2399 | goto end; | |
2400 | } | |
9f19cc17 | 2401 | } |
b551a063 DG |
2402 | } |
2403 | if (opt_userspace) { | |
f37d259d MD |
2404 | if (opt_fields) { |
2405 | ret = list_ust_event_fields(); | |
2406 | } else { | |
2407 | ret = list_ust_events(); | |
2408 | } | |
fb14d0d8 | 2409 | if (ret) { |
9f19cc17 DG |
2410 | goto end; |
2411 | } | |
2412 | } | |
0e115563 | 2413 | if (opt_jul || opt_log4j || opt_python) { |
5cdb6027 | 2414 | ret = list_agent_events(); |
fb14d0d8 | 2415 | if (ret) { |
3c6a091f DG |
2416 | goto end; |
2417 | } | |
2418 | } | |
9f19cc17 DG |
2419 | } else { |
2420 | /* List session attributes */ | |
fb14d0d8 JR |
2421 | if (lttng_opt_mi) { |
2422 | /* Open element sessions | |
2423 | * Present for xml consistency */ | |
41493f4a | 2424 | ret = mi_lttng_sessions_open(the_writer); |
fb14d0d8 JR |
2425 | if (ret) { |
2426 | goto end; | |
2427 | } | |
2428 | } | |
2429 | /* MI: the ouptut of list_sessions is an unclosed session element */ | |
b7f4ea0f | 2430 | ret = list_sessions(arg_session_name); |
fb14d0d8 | 2431 | if (ret) { |
9f19cc17 DG |
2432 | goto end; |
2433 | } | |
2434 | ||
b7f4ea0f | 2435 | ret = list_rotate_settings(arg_session_name); |
329f3443 JD |
2436 | if (ret) { |
2437 | goto end; | |
2438 | } | |
2439 | ||
9f19cc17 DG |
2440 | /* Domain listing */ |
2441 | if (opt_domain) { | |
b7f4ea0f | 2442 | ret = list_domains(arg_session_name); |
9f19cc17 DG |
2443 | goto end; |
2444 | } | |
2445 | ||
fb14d0d8 | 2446 | /* Channel listing */ |
1c3de747 | 2447 | if (opt_kernel || opt_userspace) { |
fb14d0d8 JR |
2448 | if (lttng_opt_mi) { |
2449 | /* Add of domains and domain element for xml | |
2450 | * consistency and validation | |
2451 | */ | |
41493f4a | 2452 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
2453 | if (ret) { |
2454 | goto end; | |
2455 | } | |
2456 | ||
2457 | /* Open domain and leave it open for | |
2458 | * nested channels printing */ | |
41493f4a | 2459 | ret = mi_lttng_domain(the_writer, &domain, 1); |
fb14d0d8 JR |
2460 | if (ret) { |
2461 | goto end; | |
2462 | } | |
2463 | ||
2464 | } | |
2465 | ||
ebbf5ab7 JR |
2466 | |
2467 | /* Trackers */ | |
83d6d6c4 | 2468 | ret = list_trackers(&domain); |
a5dfbb9d MD |
2469 | if (ret) { |
2470 | goto end; | |
2471 | } | |
2472 | ||
ebbf5ab7 | 2473 | /* Channels */ |
cd80958d | 2474 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
2475 | if (ret) { |
2476 | goto end; | |
2477 | } | |
2478 | ||
2479 | if (lttng_opt_mi) { | |
2480 | /* Close domain and domain element */ | |
41493f4a SM |
2481 | ret = mi_lttng_close_multi_element( |
2482 | the_writer, 2); | |
fb14d0d8 JR |
2483 | } |
2484 | if (ret) { | |
9f19cc17 DG |
2485 | goto end; |
2486 | } | |
fb14d0d8 JR |
2487 | |
2488 | ||
9f19cc17 | 2489 | } else { |
c617c0c6 MD |
2490 | int i, nb_domain; |
2491 | ||
9f19cc17 | 2492 | /* We want all domain(s) */ |
b7f4ea0f | 2493 | nb_domain = lttng_list_domains(arg_session_name, &domains); |
b551a063 | 2494 | if (nb_domain < 0) { |
fb14d0d8 JR |
2495 | ret = CMD_ERROR; |
2496 | ERR("%s", lttng_strerror(nb_domain)); | |
9f19cc17 DG |
2497 | goto end; |
2498 | } | |
2499 | ||
fb14d0d8 | 2500 | if (lttng_opt_mi) { |
41493f4a | 2501 | ret = mi_lttng_domains_open(the_writer); |
fb14d0d8 JR |
2502 | if (ret) { |
2503 | ret = CMD_ERROR; | |
2504 | goto end; | |
2505 | } | |
2506 | } | |
2507 | ||
b551a063 | 2508 | for (i = 0; i < nb_domain; i++) { |
9f19cc17 DG |
2509 | switch (domains[i].type) { |
2510 | case LTTNG_DOMAIN_KERNEL: | |
ac41e67e | 2511 | MSG("=== Domain: Linux kernel ===\n"); |
9f19cc17 | 2512 | break; |
b551a063 | 2513 | case LTTNG_DOMAIN_UST: |
ac41e67e | 2514 | MSG("=== Domain: User space ===\n"); |
74707e6e | 2515 | MSG("Buffering scheme: %s\n", |
88c5f0d8 | 2516 | domains[i].buf_type == |
74707e6e | 2517 | LTTNG_BUFFER_PER_PID ? "per-process" : "per-user"); |
b551a063 | 2518 | break; |
3c6a091f | 2519 | case LTTNG_DOMAIN_JUL: |
ac41e67e | 2520 | MSG("=== Domain: java.util.logging (JUL) ===\n"); |
3c6a091f | 2521 | break; |
5cdb6027 | 2522 | case LTTNG_DOMAIN_LOG4J: |
ac41e67e | 2523 | MSG("=== Domain: log4j ===\n"); |
5cdb6027 | 2524 | break; |
0e115563 | 2525 | case LTTNG_DOMAIN_PYTHON: |
ac41e67e | 2526 | MSG("=== Domain: Python logging ===\n"); |
0e115563 | 2527 | break; |
9f19cc17 DG |
2528 | default: |
2529 | MSG("=== Domain: Unimplemented ===\n"); | |
2530 | break; | |
2531 | } | |
2532 | ||
fb14d0d8 | 2533 | if (lttng_opt_mi) { |
41493f4a SM |
2534 | ret = mi_lttng_domain(the_writer, |
2535 | &domains[i], 1); | |
fb14d0d8 JR |
2536 | if (ret) { |
2537 | ret = CMD_ERROR; | |
2538 | goto end; | |
2539 | } | |
2540 | } | |
2541 | ||
cd80958d | 2542 | /* Clean handle before creating a new one */ |
41493f4a SM |
2543 | if (the_handle) { |
2544 | lttng_destroy_handle(the_handle); | |
aa5de748 | 2545 | } |
cd80958d | 2546 | |
41493f4a | 2547 | the_handle = lttng_create_handle( |
b7f4ea0f | 2548 | arg_session_name, &domains[i]); |
41493f4a | 2549 | if (the_handle == NULL) { |
ca1c3607 | 2550 | ret = CMD_FATAL; |
cd80958d DG |
2551 | goto end; |
2552 | } | |
2553 | ||
5cdb6027 | 2554 | if (domains[i].type == LTTNG_DOMAIN_JUL || |
0e115563 DG |
2555 | domains[i].type == LTTNG_DOMAIN_LOG4J || |
2556 | domains[i].type == LTTNG_DOMAIN_PYTHON) { | |
5cdb6027 | 2557 | ret = list_session_agent_events(); |
fb14d0d8 | 2558 | if (ret) { |
3c6a091f DG |
2559 | goto end; |
2560 | } | |
cd7b2927 PP |
2561 | |
2562 | goto next_domain; | |
3c6a091f | 2563 | } |
a5dfbb9d MD |
2564 | |
2565 | switch (domains[i].type) { | |
2566 | case LTTNG_DOMAIN_KERNEL: | |
2567 | case LTTNG_DOMAIN_UST: | |
83d6d6c4 | 2568 | ret = list_trackers(&domains[i]); |
a5dfbb9d MD |
2569 | if (ret) { |
2570 | goto end; | |
2571 | } | |
2572 | break; | |
2573 | default: | |
2574 | break; | |
2575 | } | |
3c6a091f | 2576 | |
cd80958d | 2577 | ret = list_channels(opt_channel); |
fb14d0d8 JR |
2578 | if (ret) { |
2579 | goto end; | |
2580 | } | |
2581 | ||
cd7b2927 | 2582 | next_domain: |
fb14d0d8 JR |
2583 | if (lttng_opt_mi) { |
2584 | /* Close domain element */ | |
41493f4a SM |
2585 | ret = mi_lttng_writer_close_element( |
2586 | the_writer); | |
fb14d0d8 JR |
2587 | if (ret) { |
2588 | ret = CMD_ERROR; | |
2589 | goto end; | |
2590 | } | |
2591 | } | |
2592 | ||
2593 | } | |
2594 | if (lttng_opt_mi) { | |
2595 | /* Close the domains, session and sessions element */ | |
41493f4a SM |
2596 | ret = mi_lttng_close_multi_element( |
2597 | the_writer, 3); | |
fb14d0d8 JR |
2598 | if (ret) { |
2599 | ret = CMD_ERROR; | |
9f19cc17 DG |
2600 | goto end; |
2601 | } | |
2602 | } | |
2603 | } | |
f3ed775e DG |
2604 | } |
2605 | ||
fb14d0d8 JR |
2606 | /* Mi closing */ |
2607 | if (lttng_opt_mi) { | |
2608 | /* Close output element */ | |
41493f4a | 2609 | ret = mi_lttng_writer_close_element(the_writer); |
fb14d0d8 JR |
2610 | if (ret) { |
2611 | ret = CMD_ERROR; | |
2612 | goto end; | |
2613 | } | |
2614 | ||
2615 | /* Command element close */ | |
41493f4a | 2616 | ret = mi_lttng_writer_command_close(the_writer); |
fb14d0d8 JR |
2617 | if (ret) { |
2618 | ret = CMD_ERROR; | |
2619 | goto end; | |
2620 | } | |
2621 | } | |
f3ed775e | 2622 | end: |
fb14d0d8 | 2623 | /* Mi clean-up */ |
41493f4a | 2624 | if (the_writer && mi_lttng_writer_destroy(the_writer)) { |
fb14d0d8 JR |
2625 | /* Preserve original error code */ |
2626 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
2627 | } | |
2628 | ||
0e428499 | 2629 | free(domains); |
41493f4a SM |
2630 | if (the_handle) { |
2631 | lttng_destroy_handle(the_handle); | |
aa5de748 | 2632 | } |
cd80958d | 2633 | |
ca1c3607 | 2634 | poptFreeContext(pc); |
f3ed775e DG |
2635 | return ret; |
2636 | } |