Commit | Line | Data |
---|---|---|
d871c65b | 1 | /* |
c0c0989a | 2 | * SPDX-License-Identifier: MIT |
d871c65b | 3 | * |
c0c0989a | 4 | * Copyright 2019 (c) Francis Deslauriers <francis.deslauriers@efficios.com> |
d871c65b FD |
5 | */ |
6 | ||
c0c0989a MJ |
7 | #ifndef _LTTNG_UST_EVENTS_INTERNAL_H |
8 | #define _LTTNG_UST_EVENTS_INTERNAL_H | |
9 | ||
d871c65b FD |
10 | #include <stdint.h> |
11 | ||
12 | #include <urcu/list.h> | |
13 | #include <urcu/hlist.h> | |
14 | ||
d871c65b FD |
15 | #include <lttng/ust-events.h> |
16 | ||
fd17d7ce MD |
17 | |
18 | struct lttng_ust_abi_obj; | |
19 | ||
20 | union lttng_ust_abi_args { | |
21 | struct { | |
22 | void *chan_data; | |
23 | int wakeup_fd; | |
24 | } channel; | |
25 | struct { | |
26 | int shm_fd; | |
27 | int wakeup_fd; | |
28 | } stream; | |
29 | struct { | |
30 | struct lttng_ust_abi_field_iter entry; | |
31 | } field_list; | |
32 | struct { | |
33 | char *ctxname; | |
34 | } app_context; | |
35 | struct { | |
36 | int event_notifier_notif_fd; | |
37 | } event_notifier_handle; | |
38 | struct { | |
39 | void *counter_data; | |
40 | } counter; | |
41 | struct { | |
42 | int shm_fd; | |
43 | } counter_shm; | |
44 | }; | |
45 | ||
46 | struct lttng_ust_abi_objd_ops { | |
47 | long (*cmd)(int objd, unsigned int cmd, unsigned long arg, | |
48 | union lttng_ust_abi_args *args, void *owner); | |
49 | int (*release)(int objd); | |
50 | }; | |
51 | ||
8665f6a4 MJ |
52 | enum lttng_enabler_format_type { |
53 | LTTNG_ENABLER_FORMAT_STAR_GLOB, | |
54 | LTTNG_ENABLER_FORMAT_EVENT, | |
55 | }; | |
56 | ||
57 | /* | |
58 | * Enabler field, within whatever object is enabling an event. Target of | |
59 | * backward reference. | |
60 | */ | |
61 | struct lttng_enabler { | |
62 | enum lttng_enabler_format_type format_type; | |
63 | ||
64 | /* head list of struct lttng_ust_filter_bytecode_node */ | |
65 | struct cds_list_head filter_bytecode_head; | |
66 | /* head list of struct lttng_ust_excluder_node */ | |
67 | struct cds_list_head excluder_head; | |
68 | ||
fd17d7ce | 69 | struct lttng_ust_abi_event event_param; |
8665f6a4 MJ |
70 | unsigned int enabled:1; |
71 | }; | |
72 | ||
d871c65b FD |
73 | struct lttng_event_enabler { |
74 | struct lttng_enabler base; | |
75 | struct cds_list_head node; /* per-session list of enablers */ | |
76 | struct lttng_channel *chan; | |
77 | /* | |
78 | * Unused, but kept around to make it explicit that the tracer can do | |
79 | * it. | |
80 | */ | |
81 | struct lttng_ctx *ctx; | |
82 | }; | |
83 | ||
d8d2416d FD |
84 | struct lttng_event_notifier_enabler { |
85 | struct lttng_enabler base; | |
6566528b | 86 | uint64_t error_counter_index; |
d37ecb3f FD |
87 | struct cds_list_head node; /* per-app list of event_notifier enablers */ |
88 | struct cds_list_head capture_bytecode_head; | |
d8d2416d FD |
89 | struct lttng_event_notifier_group *group; /* weak ref */ |
90 | uint64_t user_token; /* User-provided token */ | |
d37ecb3f | 91 | uint64_t num_captures; |
d8d2416d FD |
92 | }; |
93 | ||
ab249ecf FD |
94 | enum lttng_ust_bytecode_node_type { |
95 | LTTNG_UST_BYTECODE_NODE_TYPE_FILTER, | |
d37ecb3f | 96 | LTTNG_UST_BYTECODE_NODE_TYPE_CAPTURE, |
ab249ecf FD |
97 | }; |
98 | ||
99 | struct lttng_ust_bytecode_node { | |
100 | enum lttng_ust_bytecode_node_type type; | |
92495593 FD |
101 | struct cds_list_head node; |
102 | struct lttng_enabler *enabler; | |
ab249ecf FD |
103 | struct { |
104 | uint32_t len; | |
105 | uint32_t reloc_offset; | |
106 | uint64_t seqnum; | |
107 | char data[]; | |
108 | } bc; | |
92495593 FD |
109 | }; |
110 | ||
111 | struct lttng_ust_excluder_node { | |
112 | struct cds_list_head node; | |
113 | struct lttng_enabler *enabler; | |
114 | /* | |
115 | * struct lttng_ust_event_exclusion had variable sized array, | |
116 | * must be last field. | |
117 | */ | |
fd17d7ce | 118 | struct lttng_ust_abi_event_exclusion excluder; |
92495593 FD |
119 | }; |
120 | ||
bb7ad29d MJ |
121 | /* Data structures used by the tracer. */ |
122 | ||
123 | struct tp_list_entry { | |
fd17d7ce | 124 | struct lttng_ust_abi_tracepoint_iter tp; |
bb7ad29d MJ |
125 | struct cds_list_head head; |
126 | }; | |
127 | ||
128 | struct lttng_ust_tracepoint_list { | |
129 | struct tp_list_entry *iter; | |
130 | struct cds_list_head head; | |
131 | }; | |
132 | ||
133 | struct tp_field_list_entry { | |
fd17d7ce | 134 | struct lttng_ust_abi_field_iter field; |
bb7ad29d MJ |
135 | struct cds_list_head head; |
136 | }; | |
137 | ||
138 | struct lttng_ust_field_list { | |
139 | struct tp_field_list_entry *iter; | |
140 | struct cds_list_head head; | |
141 | }; | |
142 | ||
143 | /* | |
144 | * Objects in a linked-list of enablers, owned by an event or event_notifier. | |
145 | * This is used because an event (or a event_notifier) can be enabled by more | |
146 | * than one enabler and we want a quick way to iterate over all enablers of an | |
147 | * object. | |
148 | * | |
149 | * For example, event rules "my_app:a*" and "my_app:ab*" will both match the | |
150 | * event with the name "my_app:abc". | |
151 | */ | |
152 | struct lttng_enabler_ref { | |
153 | struct cds_list_head node; /* enabler ref list */ | |
154 | struct lttng_enabler *ref; /* backward ref */ | |
155 | }; | |
156 | ||
157 | #define LTTNG_COUNTER_DIMENSION_MAX 8 | |
158 | struct lttng_counter_dimension { | |
159 | uint64_t size; | |
160 | uint64_t underflow_index; | |
161 | uint64_t overflow_index; | |
162 | uint8_t has_underflow; | |
163 | uint8_t has_overflow; | |
164 | }; | |
165 | ||
b5863ea7 MD |
166 | struct lttng_counter_ops { |
167 | struct lib_counter *(*counter_create)(size_t nr_dimensions, | |
168 | const struct lttng_counter_dimension *dimensions, | |
169 | int64_t global_sum_step, | |
170 | int global_counter_fd, | |
171 | int nr_counter_cpu_fds, | |
172 | const int *counter_cpu_fds, | |
173 | bool is_daemon); | |
174 | void (*counter_destroy)(struct lib_counter *counter); | |
175 | int (*counter_add)(struct lib_counter *counter, | |
176 | const size_t *dimension_indexes, int64_t v); | |
177 | int (*counter_read)(struct lib_counter *counter, | |
178 | const size_t *dimension_indexes, int cpu, | |
179 | int64_t *value, bool *overflow, bool *underflow); | |
180 | int (*counter_aggregate)(struct lib_counter *counter, | |
181 | const size_t *dimension_indexes, int64_t *value, | |
182 | bool *overflow, bool *underflow); | |
183 | int (*counter_clear)(struct lib_counter *counter, const size_t *dimension_indexes); | |
184 | }; | |
185 | ||
bb7ad29d MJ |
186 | struct lttng_counter { |
187 | int objd; | |
188 | struct lttng_event_notifier_group *event_notifier_group; /* owner */ | |
189 | struct lttng_counter_transport *transport; | |
190 | struct lib_counter *counter; | |
191 | struct lttng_counter_ops *ops; | |
192 | }; | |
193 | ||
681f6001 MD |
194 | #define LTTNG_UST_EVENT_HT_BITS 12 |
195 | #define LTTNG_UST_EVENT_HT_SIZE (1U << LTTNG_UST_EVENT_HT_BITS) | |
196 | ||
197 | struct lttng_ust_event_ht { | |
198 | struct cds_hlist_head table[LTTNG_UST_EVENT_HT_SIZE]; | |
199 | }; | |
200 | ||
201 | #define LTTNG_UST_EVENT_NOTIFIER_HT_BITS 12 | |
202 | #define LTTNG_UST_EVENT_NOTIFIER_HT_SIZE (1U << LTTNG_UST_EVENT_NOTIFIER_HT_BITS) | |
203 | struct lttng_ust_event_notifier_ht { | |
204 | struct cds_hlist_head table[LTTNG_UST_EVENT_NOTIFIER_HT_SIZE]; | |
205 | }; | |
206 | ||
207 | #define LTTNG_UST_ENUM_HT_BITS 12 | |
208 | #define LTTNG_UST_ENUM_HT_SIZE (1U << LTTNG_UST_ENUM_HT_BITS) | |
209 | ||
210 | struct lttng_ust_enum_ht { | |
211 | struct cds_hlist_head table[LTTNG_UST_ENUM_HT_SIZE]; | |
212 | }; | |
213 | ||
bb7ad29d MJ |
214 | struct lttng_event_notifier_group { |
215 | int objd; | |
216 | void *owner; | |
217 | int notification_fd; | |
218 | struct cds_list_head node; /* Event notifier group handle list */ | |
219 | struct cds_list_head enablers_head; | |
220 | struct cds_list_head event_notifiers_head; /* list of event_notifiers */ | |
221 | struct lttng_ust_event_notifier_ht event_notifiers_ht; /* hashtable of event_notifiers */ | |
222 | struct lttng_ctx *ctx; /* contexts for filters. */ | |
223 | ||
224 | struct lttng_counter *error_counter; | |
225 | size_t error_counter_len; | |
226 | }; | |
227 | ||
228 | struct lttng_transport { | |
229 | char *name; | |
230 | struct cds_list_head node; | |
49926dbd | 231 | struct lttng_ust_channel_ops ops; |
bb7ad29d MJ |
232 | const struct lttng_ust_lib_ring_buffer_config *client_config; |
233 | }; | |
234 | ||
235 | struct lttng_counter_transport { | |
236 | char *name; | |
237 | struct cds_list_head node; | |
238 | struct lttng_counter_ops ops; | |
239 | const struct lib_counter_config *client_config; | |
240 | }; | |
241 | ||
80333dfa | 242 | struct lttng_ust_event_common_private { |
7ee76145 | 243 | struct lttng_ust_event_common *pub; /* Public event interface */ |
68bb7559 | 244 | |
dc11f93f | 245 | const struct lttng_ust_event_desc *desc; |
68bb7559 MD |
246 | /* Backward references: list of lttng_enabler_ref (ref to enablers) */ |
247 | struct cds_list_head enablers_ref_head; | |
68bb7559 | 248 | int registered; /* has reg'd tracepoint probe */ |
115db533 | 249 | uint64_t user_token; |
68bb7559 MD |
250 | }; |
251 | ||
2e70391c | 252 | struct lttng_ust_event_recorder_private { |
80333dfa MD |
253 | struct lttng_ust_event_common_private parent; |
254 | ||
2e70391c | 255 | struct lttng_ust_event_recorder *pub; /* Public event interface */ |
ba99fbe2 MD |
256 | struct cds_list_head node; /* Event recorder list */ |
257 | struct cds_hlist_node hlist; /* Hash table of event recorders */ | |
80333dfa MD |
258 | }; |
259 | ||
115db533 MD |
260 | struct lttng_ust_event_notifier_private { |
261 | struct lttng_ust_event_common_private parent; | |
262 | ||
d7d45c0d | 263 | struct lttng_ust_event_notifier *pub; /* Public event notifier interface */ |
115db533 MD |
264 | struct lttng_event_notifier_group *group; /* weak ref */ |
265 | size_t num_captures; /* Needed to allocate the msgpack array. */ | |
266 | uint64_t error_counter_index; | |
ba99fbe2 MD |
267 | struct cds_list_head node; /* Event notifier list */ |
268 | struct cds_hlist_node hlist; /* Hash table of event notifiers */ | |
115db533 MD |
269 | }; |
270 | ||
362a65de MD |
271 | struct lttng_ust_bytecode_runtime_private { |
272 | struct bytecode_runtime *pub; /* Public bytecode runtime interface */ | |
273 | ||
274 | struct lttng_ust_bytecode_node *bc; | |
275 | int link_failed; | |
276 | /* | |
277 | * Pointer to a URCU-protected pointer owned by an `struct | |
278 | * lttng_session`or `struct lttng_event_notifier_group`. | |
279 | */ | |
280 | struct lttng_ctx **pctx; | |
281 | }; | |
282 | ||
bdb12629 MD |
283 | struct lttng_ust_session_private { |
284 | struct lttng_session *pub; /* Public session interface */ | |
285 | ||
286 | int been_active; /* Been active ? */ | |
287 | int objd; /* Object associated */ | |
288 | struct cds_list_head chan_head; /* Channel list head */ | |
289 | struct cds_list_head events_head; /* list of events */ | |
290 | struct cds_list_head node; /* Session list */ | |
291 | ||
292 | /* New UST 2.1 */ | |
293 | /* List of enablers */ | |
294 | struct cds_list_head enablers_head; | |
295 | struct lttng_ust_event_ht events_ht; /* ht of events */ | |
296 | void *owner; /* object owner */ | |
297 | int tstate:1; /* Transient enable state */ | |
298 | ||
299 | /* New UST 2.4 */ | |
300 | int statedump_pending:1; | |
301 | ||
302 | /* New UST 2.8 */ | |
303 | struct lttng_ust_enum_ht enums_ht; /* ht of enumerations */ | |
304 | struct cds_list_head enums_head; | |
305 | struct lttng_ctx *ctx; /* contexts for filters. */ | |
306 | }; | |
307 | ||
036d17fb MD |
308 | struct lttng_enum { |
309 | const struct lttng_ust_enum_desc *desc; | |
310 | struct lttng_session *session; | |
311 | struct cds_list_head node; /* Enum list in session */ | |
312 | struct cds_hlist_node hlist; /* Session ht of enums */ | |
313 | uint64_t id; /* Enumeration ID in sessiond */ | |
314 | }; | |
315 | ||
d871c65b FD |
316 | static inline |
317 | struct lttng_enabler *lttng_event_enabler_as_enabler( | |
318 | struct lttng_event_enabler *event_enabler) | |
319 | { | |
320 | return &event_enabler->base; | |
321 | } | |
322 | ||
d8d2416d FD |
323 | static inline |
324 | struct lttng_enabler *lttng_event_notifier_enabler_as_enabler( | |
325 | struct lttng_event_notifier_enabler *event_notifier_enabler) | |
326 | { | |
327 | return &event_notifier_enabler->base; | |
328 | } | |
d871c65b FD |
329 | |
330 | /* | |
331 | * Allocate and initialize a `struct lttng_event_enabler` object. | |
332 | * | |
333 | * On success, returns a `struct lttng_event_enabler`, | |
334 | * On memory error, returns NULL. | |
335 | */ | |
ddabe860 | 336 | __attribute__((visibility("hidden"))) |
d871c65b FD |
337 | struct lttng_event_enabler *lttng_event_enabler_create( |
338 | enum lttng_enabler_format_type format_type, | |
fd17d7ce | 339 | struct lttng_ust_abi_event *event_param, |
d871c65b FD |
340 | struct lttng_channel *chan); |
341 | ||
342 | /* | |
343 | * Destroy a `struct lttng_event_enabler` object. | |
344 | */ | |
ddabe860 | 345 | __attribute__((visibility("hidden"))) |
d871c65b FD |
346 | void lttng_event_enabler_destroy(struct lttng_event_enabler *enabler); |
347 | ||
348 | /* | |
349 | * Enable a `struct lttng_event_enabler` object and all events related to this | |
350 | * enabler. | |
351 | */ | |
ddabe860 | 352 | __attribute__((visibility("hidden"))) |
d871c65b FD |
353 | int lttng_event_enabler_enable(struct lttng_event_enabler *enabler); |
354 | ||
355 | /* | |
356 | * Disable a `struct lttng_event_enabler` object and all events related to this | |
357 | * enabler. | |
358 | */ | |
ddabe860 | 359 | __attribute__((visibility("hidden"))) |
d871c65b FD |
360 | int lttng_event_enabler_disable(struct lttng_event_enabler *enabler); |
361 | ||
362 | /* | |
363 | * Attach filter bytecode program to `struct lttng_event_enabler` and all | |
364 | * events related to this enabler. | |
365 | */ | |
ddabe860 | 366 | __attribute__((visibility("hidden"))) |
a56fd376 FD |
367 | int lttng_event_enabler_attach_filter_bytecode( |
368 | struct lttng_event_enabler *enabler, | |
ab89263e | 369 | struct lttng_ust_bytecode_node **bytecode); |
d871c65b FD |
370 | |
371 | /* | |
372 | * Attach an application context to an event enabler. | |
373 | * | |
374 | * Not implemented. | |
375 | */ | |
ddabe860 | 376 | __attribute__((visibility("hidden"))) |
d871c65b | 377 | int lttng_event_enabler_attach_context(struct lttng_event_enabler *enabler, |
fd17d7ce | 378 | struct lttng_ust_abi_context *ctx); |
d871c65b FD |
379 | |
380 | /* | |
381 | * Attach exclusion list to `struct lttng_event_enabler` and all | |
382 | * events related to this enabler. | |
383 | */ | |
ddabe860 | 384 | __attribute__((visibility("hidden"))) |
d871c65b | 385 | int lttng_event_enabler_attach_exclusion(struct lttng_event_enabler *enabler, |
e9fe6aad | 386 | struct lttng_ust_excluder_node **excluder); |
d871c65b FD |
387 | |
388 | /* | |
d37ecb3f FD |
389 | * Synchronize bytecodes for the enabler and the instance (event or |
390 | * event_notifier). | |
d871c65b | 391 | * |
621c07fc | 392 | * This function goes over all bytecode programs of the enabler (event or |
d37ecb3f | 393 | * event_notifier enabler) to ensure each is linked to the provided instance. |
d871c65b | 394 | */ |
ddabe860 | 395 | __attribute__((visibility("hidden"))) |
dc11f93f | 396 | void lttng_enabler_link_bytecode(const struct lttng_ust_event_desc *event_desc, |
53b9d7db | 397 | struct lttng_ctx **ctx, |
621c07fc FD |
398 | struct cds_list_head *instance_bytecode_runtime_head, |
399 | struct cds_list_head *enabler_bytecode_runtime_head); | |
d871c65b | 400 | |
d8d2416d FD |
401 | /* |
402 | * Allocate and initialize a `struct lttng_event_notifier_group` object. | |
403 | * | |
404 | * On success, returns a `struct lttng_triggre_group`, | |
405 | * on memory error, returns NULL. | |
406 | */ | |
ddabe860 | 407 | __attribute__((visibility("hidden"))) |
d8d2416d FD |
408 | struct lttng_event_notifier_group *lttng_event_notifier_group_create(void); |
409 | ||
410 | /* | |
411 | * Destroy a `struct lttng_event_notifier_group` object. | |
412 | */ | |
ddabe860 | 413 | __attribute__((visibility("hidden"))) |
d8d2416d FD |
414 | void lttng_event_notifier_group_destroy( |
415 | struct lttng_event_notifier_group *event_notifier_group); | |
416 | ||
417 | /* | |
418 | * Allocate and initialize a `struct lttng_event_notifier_enabler` object. | |
419 | * | |
420 | * On success, returns a `struct lttng_event_notifier_enabler`, | |
421 | * On memory error, returns NULL. | |
422 | */ | |
ddabe860 | 423 | __attribute__((visibility("hidden"))) |
d8d2416d FD |
424 | struct lttng_event_notifier_enabler *lttng_event_notifier_enabler_create( |
425 | struct lttng_event_notifier_group *event_notifier_group, | |
426 | enum lttng_enabler_format_type format_type, | |
fd17d7ce | 427 | struct lttng_ust_abi_event_notifier *event_notifier_param); |
d8d2416d FD |
428 | |
429 | /* | |
430 | * Destroy a `struct lttng_event_notifier_enabler` object. | |
431 | */ | |
ddabe860 | 432 | __attribute__((visibility("hidden"))) |
d8d2416d FD |
433 | void lttng_event_notifier_enabler_destroy( |
434 | struct lttng_event_notifier_enabler *event_notifier_enabler); | |
435 | ||
436 | /* | |
437 | * Enable a `struct lttng_event_notifier_enabler` object and all event | |
438 | * notifiers related to this enabler. | |
439 | */ | |
ddabe860 | 440 | __attribute__((visibility("hidden"))) |
d8d2416d FD |
441 | int lttng_event_notifier_enabler_enable( |
442 | struct lttng_event_notifier_enabler *event_notifier_enabler); | |
443 | ||
444 | /* | |
445 | * Disable a `struct lttng_event_notifier_enabler` object and all event | |
446 | * notifiers related to this enabler. | |
447 | */ | |
ddabe860 | 448 | __attribute__((visibility("hidden"))) |
d8d2416d FD |
449 | int lttng_event_notifier_enabler_disable( |
450 | struct lttng_event_notifier_enabler *event_notifier_enabler); | |
451 | ||
452 | /* | |
453 | * Attach filter bytecode program to `struct lttng_event_notifier_enabler` and | |
454 | * all event notifiers related to this enabler. | |
455 | */ | |
ddabe860 | 456 | __attribute__((visibility("hidden"))) |
a56fd376 | 457 | int lttng_event_notifier_enabler_attach_filter_bytecode( |
d8d2416d | 458 | struct lttng_event_notifier_enabler *event_notifier_enabler, |
ab89263e | 459 | struct lttng_ust_bytecode_node **bytecode); |
d8d2416d | 460 | |
d37ecb3f FD |
461 | /* |
462 | * Attach capture bytecode program to `struct lttng_event_notifier_enabler` and | |
463 | * all event_notifiers related to this enabler. | |
464 | */ | |
ddabe860 | 465 | __attribute__((visibility("hidden"))) |
d37ecb3f FD |
466 | int lttng_event_notifier_enabler_attach_capture_bytecode( |
467 | struct lttng_event_notifier_enabler *event_notifier_enabler, | |
49cde654 | 468 | struct lttng_ust_bytecode_node **bytecode); |
d37ecb3f | 469 | |
d8d2416d FD |
470 | /* |
471 | * Attach exclusion list to `struct lttng_event_notifier_enabler` and all | |
472 | * event notifiers related to this enabler. | |
473 | */ | |
ddabe860 | 474 | __attribute__((visibility("hidden"))) |
d8d2416d FD |
475 | int lttng_event_notifier_enabler_attach_exclusion( |
476 | struct lttng_event_notifier_enabler *event_notifier_enabler, | |
e9fe6aad | 477 | struct lttng_ust_excluder_node **excluder); |
d8d2416d | 478 | |
ddabe860 | 479 | __attribute__((visibility("hidden"))) |
b1f720f0 | 480 | void lttng_free_event_filter_runtime(struct lttng_ust_event_common *event); |
d8d2416d FD |
481 | |
482 | /* | |
483 | * Connect the probe on all enablers matching this event description. | |
484 | * Called on library load. | |
485 | */ | |
ddabe860 | 486 | __attribute__((visibility("hidden"))) |
d8d2416d FD |
487 | int lttng_fix_pending_event_notifiers(void); |
488 | ||
ddabe860 | 489 | __attribute__((visibility("hidden"))) |
67d4e8f5 MJ |
490 | struct lttng_counter *lttng_ust_counter_create( |
491 | const char *counter_transport_name, | |
492 | size_t number_dimensions, const struct lttng_counter_dimension *dimensions); | |
493 | ||
bd8c1787 MJ |
494 | #ifdef HAVE_PERF_EVENT |
495 | ||
ddabe860 | 496 | __attribute__((visibility("hidden"))) |
bd8c1787 MJ |
497 | int lttng_add_perf_counter_to_ctx(uint32_t type, |
498 | uint64_t config, | |
499 | const char *name, | |
500 | struct lttng_ctx **ctx); | |
ddabe860 MJ |
501 | |
502 | __attribute__((visibility("hidden"))) | |
bd8c1787 | 503 | int lttng_perf_counter_init(void); |
ddabe860 MJ |
504 | |
505 | __attribute__((visibility("hidden"))) | |
bd8c1787 MJ |
506 | void lttng_perf_counter_exit(void); |
507 | ||
508 | #else /* #ifdef HAVE_PERF_EVENT */ | |
509 | ||
510 | static inline | |
511 | int lttng_add_perf_counter_to_ctx(uint32_t type, | |
512 | uint64_t config, | |
513 | const char *name, | |
514 | struct lttng_ctx **ctx) | |
515 | { | |
516 | return -ENOSYS; | |
517 | } | |
518 | static inline | |
519 | int lttng_perf_counter_init(void) | |
520 | { | |
521 | return 0; | |
522 | } | |
523 | static inline | |
524 | void lttng_perf_counter_exit(void) | |
525 | { | |
526 | } | |
527 | #endif /* #else #ifdef HAVE_PERF_EVENT */ | |
528 | ||
ddabe860 | 529 | __attribute__((visibility("hidden"))) |
7753d283 | 530 | int lttng_probes_get_event_list(struct lttng_ust_tracepoint_list *list); |
ddabe860 MJ |
531 | |
532 | __attribute__((visibility("hidden"))) | |
7753d283 MJ |
533 | void lttng_probes_prune_event_list(struct lttng_ust_tracepoint_list *list); |
534 | ||
ddabe860 | 535 | __attribute__((visibility("hidden"))) |
7753d283 | 536 | int lttng_probes_get_field_list(struct lttng_ust_field_list *list); |
ddabe860 MJ |
537 | |
538 | __attribute__((visibility("hidden"))) | |
7753d283 MJ |
539 | void lttng_probes_prune_field_list(struct lttng_ust_field_list *list); |
540 | ||
ddabe860 | 541 | __attribute__((visibility("hidden"))) |
fd17d7ce | 542 | struct lttng_ust_abi_tracepoint_iter * |
7753d283 | 543 | lttng_ust_tracepoint_list_get_iter_next(struct lttng_ust_tracepoint_list *list); |
ddabe860 MJ |
544 | |
545 | __attribute__((visibility("hidden"))) | |
fd17d7ce | 546 | struct lttng_ust_abi_field_iter * |
7753d283 MJ |
547 | lttng_ust_field_list_get_iter_next(struct lttng_ust_field_list *list); |
548 | ||
ddabe860 | 549 | __attribute__((visibility("hidden"))) |
7753d283 | 550 | struct lttng_session *lttng_session_create(void); |
ddabe860 MJ |
551 | |
552 | __attribute__((visibility("hidden"))) | |
7753d283 | 553 | int lttng_session_enable(struct lttng_session *session); |
ddabe860 MJ |
554 | |
555 | __attribute__((visibility("hidden"))) | |
7753d283 | 556 | int lttng_session_disable(struct lttng_session *session); |
ddabe860 MJ |
557 | |
558 | __attribute__((visibility("hidden"))) | |
7753d283 | 559 | int lttng_session_statedump(struct lttng_session *session); |
ddabe860 MJ |
560 | |
561 | __attribute__((visibility("hidden"))) | |
7753d283 MJ |
562 | void lttng_session_destroy(struct lttng_session *session); |
563 | ||
ddabe860 | 564 | __attribute__((visibility("hidden"))) |
7753d283 MJ |
565 | struct cds_list_head *lttng_get_sessions(void); |
566 | ||
ddabe860 | 567 | __attribute__((visibility("hidden"))) |
7753d283 MJ |
568 | void lttng_handle_pending_statedump(void *owner); |
569 | ||
ddabe860 | 570 | __attribute__((visibility("hidden"))) |
7753d283 MJ |
571 | struct lttng_channel *lttng_channel_create(struct lttng_session *session, |
572 | const char *transport_name, | |
573 | void *buf_addr, | |
574 | size_t subbuf_size, size_t num_subbuf, | |
575 | unsigned int switch_timer_interval, | |
576 | unsigned int read_timer_interval, | |
577 | int **shm_fd, int **wait_fd, | |
578 | uint64_t **memory_map_size, | |
579 | struct lttng_channel *chan_priv_init); | |
580 | ||
ddabe860 | 581 | __attribute__((visibility("hidden"))) |
7753d283 | 582 | int lttng_channel_enable(struct lttng_channel *channel); |
ddabe860 MJ |
583 | |
584 | __attribute__((visibility("hidden"))) | |
7753d283 MJ |
585 | int lttng_channel_disable(struct lttng_channel *channel); |
586 | ||
ddabe860 | 587 | __attribute__((visibility("hidden"))) |
7753d283 | 588 | void lttng_transport_register(struct lttng_transport *transport); |
ddabe860 MJ |
589 | |
590 | __attribute__((visibility("hidden"))) | |
7753d283 MJ |
591 | void lttng_transport_unregister(struct lttng_transport *transport); |
592 | ||
ddabe860 | 593 | __attribute__((visibility("hidden"))) |
dc11f93f | 594 | void lttng_probe_provider_unregister_events(struct lttng_ust_probe_desc *desc); |
7753d283 | 595 | |
ddabe860 | 596 | __attribute__((visibility("hidden"))) |
7753d283 MJ |
597 | int lttng_fix_pending_events(void); |
598 | ||
ddabe860 | 599 | __attribute__((visibility("hidden"))) |
7753d283 MJ |
600 | struct cds_list_head *lttng_get_probe_list_head(void); |
601 | ||
ddabe860 | 602 | __attribute__((visibility("hidden"))) |
7753d283 | 603 | struct lttng_enum *lttng_ust_enum_get_from_desc(struct lttng_session *session, |
891d6b55 | 604 | const struct lttng_ust_enum_desc *enum_desc); |
7753d283 | 605 | |
ddabe860 | 606 | __attribute__((visibility("hidden"))) |
fd17d7ce MD |
607 | int lttng_abi_create_root_handle(void); |
608 | ||
ddabe860 | 609 | __attribute__((visibility("hidden"))) |
fd17d7ce | 610 | const struct lttng_ust_abi_objd_ops *lttng_ust_abi_objd_ops(int id); |
ddabe860 MJ |
611 | |
612 | __attribute__((visibility("hidden"))) | |
fd17d7ce | 613 | int lttng_ust_abi_objd_unref(int id, int is_owner); |
ddabe860 MJ |
614 | |
615 | __attribute__((visibility("hidden"))) | |
fd17d7ce | 616 | void lttng_ust_abi_exit(void); |
ddabe860 MJ |
617 | |
618 | __attribute__((visibility("hidden"))) | |
fd17d7ce | 619 | void lttng_ust_abi_events_exit(void); |
ddabe860 MJ |
620 | |
621 | __attribute__((visibility("hidden"))) | |
fd17d7ce MD |
622 | void lttng_ust_abi_objd_table_owner_cleanup(void *owner); |
623 | ||
d871c65b | 624 | #endif /* _LTTNG_UST_EVENTS_INTERNAL_H */ |