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51489cad MD |
1 | #ifndef _LTTNG_UST_EVENTS_H |
2 | #define _LTTNG_UST_EVENTS_H | |
8020ceb5 MD |
3 | |
4 | /* | |
51489cad | 5 | * lttng/ust-events.h |
8020ceb5 | 6 | * |
e92f3e28 | 7 | * Copyright 2010-2012 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
8020ceb5 MD |
8 | * |
9 | * Holds LTTng per-session event registry. | |
10 | * | |
e92f3e28 MD |
11 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
12 | * of this software and associated documentation files (the "Software"), to deal | |
13 | * in the Software without restriction, including without limitation the rights | |
14 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
15 | * copies of the Software, and to permit persons to whom the Software is | |
16 | * furnished to do so, subject to the following conditions: | |
a60d70e6 | 17 | * |
e92f3e28 MD |
18 | * The above copyright notice and this permission notice shall be included in |
19 | * all copies or substantial portions of the Software. | |
8020ceb5 MD |
20 | */ |
21 | ||
9f3fdbc6 | 22 | #include <urcu/list.h> |
1f18504e | 23 | #include <urcu/hlist.h> |
578ce73a | 24 | #include <uuid/uuid.h> |
9f3fdbc6 | 25 | #include <stdint.h> |
4318ae1b MD |
26 | #include <lttng/ust-abi.h> |
27 | #include <lttng/ust-tracer.h> | |
a7859af5 | 28 | #include <endian.h> |
20f1eee7 | 29 | #include <float.h> |
8020ceb5 | 30 | |
8020ceb5 MD |
31 | struct ltt_channel; |
32 | struct ltt_session; | |
4cfec15c | 33 | struct lttng_ust_lib_ring_buffer_ctx; |
8020ceb5 | 34 | |
37d5e202 MD |
35 | /* |
36 | * Data structures used by tracepoint event declarations, and by the | |
37 | * tracer. Those structures have padding for future extension. | |
38 | */ | |
39 | ||
c1fca457 MD |
40 | /* |
41 | * LTTng client type enumeration. Used by the consumer to map the | |
42 | * callbacks from its own address space. | |
43 | */ | |
44 | enum lttng_client_types { | |
45 | LTTNG_CLIENT_METADATA = 0, | |
46 | LTTNG_CLIENT_DISCARD = 1, | |
47 | LTTNG_CLIENT_OVERWRITE = 2, | |
48 | LTTNG_NR_CLIENT_TYPES, | |
49 | }; | |
50 | ||
8020ceb5 MD |
51 | /* Type description */ |
52 | ||
53 | /* Update the astract_types name table in lttng-types.c along with this enum */ | |
54 | enum abstract_types { | |
55 | atype_integer, | |
56 | atype_enum, | |
57 | atype_array, | |
58 | atype_sequence, | |
59 | atype_string, | |
20f1eee7 | 60 | atype_float, |
8020ceb5 MD |
61 | NR_ABSTRACT_TYPES, |
62 | }; | |
63 | ||
64 | /* Update the string_encodings name table in lttng-types.c along with this enum */ | |
65 | enum lttng_string_encodings { | |
66 | lttng_encode_none = 0, | |
67 | lttng_encode_UTF8 = 1, | |
68 | lttng_encode_ASCII = 2, | |
69 | NR_STRING_ENCODINGS, | |
70 | }; | |
71 | ||
37d5e202 | 72 | #define LTTNG_UST_ENUM_ENTRY_PADDING 16 |
8020ceb5 MD |
73 | struct lttng_enum_entry { |
74 | unsigned long long start, end; /* start and end are inclusive */ | |
75 | const char *string; | |
37d5e202 | 76 | char padding[LTTNG_UST_ENUM_ENTRY_PADDING]; |
8020ceb5 MD |
77 | }; |
78 | ||
79 | #define __type_integer(_type, _byte_order, _base, _encoding) \ | |
80 | { \ | |
81 | .atype = atype_integer, \ | |
82 | .u.basic.integer = \ | |
83 | { \ | |
84 | .size = sizeof(_type) * CHAR_BIT, \ | |
1dbfff0c MD |
85 | .alignment = lttng_alignof(_type) * CHAR_BIT, \ |
86 | .signedness = lttng_is_signed_type(_type), \ | |
40af798b | 87 | .reverse_byte_order = _byte_order != __BYTE_ORDER, \ |
8020ceb5 MD |
88 | .base = _base, \ |
89 | .encoding = lttng_encode_##_encoding, \ | |
90 | }, \ | |
91 | } \ | |
92 | ||
37d5e202 | 93 | #define LTTNG_UST_INTEGER_TYPE_PADDING 24 |
8020ceb5 MD |
94 | struct lttng_integer_type { |
95 | unsigned int size; /* in bits */ | |
96 | unsigned short alignment; /* in bits */ | |
97 | unsigned int signedness:1; | |
98 | unsigned int reverse_byte_order:1; | |
99 | unsigned int base; /* 2, 8, 10, 16, for pretty print */ | |
100 | enum lttng_string_encodings encoding; | |
37d5e202 | 101 | char padding[LTTNG_UST_INTEGER_TYPE_PADDING]; |
8020ceb5 MD |
102 | }; |
103 | ||
d3ed854b MD |
104 | /* |
105 | * Only float and double are supported. long double is not supported at | |
106 | * the moment. | |
107 | */ | |
20f1eee7 MD |
108 | #define _float_mant_dig(_type) \ |
109 | (sizeof(_type) == sizeof(float) ? FLT_MANT_DIG \ | |
110 | : (sizeof(_type) == sizeof(double) ? DBL_MANT_DIG \ | |
d3ed854b | 111 | : 0)) |
20f1eee7 MD |
112 | |
113 | #define __type_float(_type) \ | |
114 | { \ | |
115 | .atype = atype_float, \ | |
116 | .u.basic._float = \ | |
117 | { \ | |
118 | .exp_dig = sizeof(_type) * CHAR_BIT \ | |
119 | - _float_mant_dig(_type), \ | |
120 | .mant_dig = _float_mant_dig(_type), \ | |
1dbfff0c | 121 | .alignment = lttng_alignof(_type) * CHAR_BIT, \ |
7d97fea8 | 122 | .reverse_byte_order = __BYTE_ORDER != __FLOAT_WORD_ORDER, \ |
20f1eee7 MD |
123 | }, \ |
124 | } \ | |
125 | ||
37d5e202 | 126 | #define LTTNG_UST_FLOAT_TYPE_PADDING 24 |
20f1eee7 MD |
127 | struct lttng_float_type { |
128 | unsigned int exp_dig; /* exponent digits, in bits */ | |
129 | unsigned int mant_dig; /* mantissa digits, in bits */ | |
130 | unsigned short alignment; /* in bits */ | |
131 | unsigned int reverse_byte_order:1; | |
37d5e202 | 132 | char padding[LTTNG_UST_FLOAT_TYPE_PADDING]; |
20f1eee7 MD |
133 | }; |
134 | ||
37d5e202 | 135 | #define LTTNG_UST_BASIC_TYPE_PADDING 128 |
8020ceb5 MD |
136 | union _lttng_basic_type { |
137 | struct lttng_integer_type integer; | |
138 | struct { | |
139 | const char *name; | |
140 | } enumeration; | |
141 | struct { | |
142 | enum lttng_string_encodings encoding; | |
143 | } string; | |
20f1eee7 | 144 | struct lttng_float_type _float; |
37d5e202 | 145 | char padding[LTTNG_UST_BASIC_TYPE_PADDING]; |
8020ceb5 MD |
146 | }; |
147 | ||
148 | struct lttng_basic_type { | |
149 | enum abstract_types atype; | |
150 | union { | |
151 | union _lttng_basic_type basic; | |
152 | } u; | |
153 | }; | |
154 | ||
37d5e202 | 155 | #define LTTNG_UST_TYPE_PADDING 128 |
8020ceb5 MD |
156 | struct lttng_type { |
157 | enum abstract_types atype; | |
158 | union { | |
159 | union _lttng_basic_type basic; | |
160 | struct { | |
161 | struct lttng_basic_type elem_type; | |
162 | unsigned int length; /* num. elems. */ | |
163 | } array; | |
164 | struct { | |
165 | struct lttng_basic_type length_type; | |
166 | struct lttng_basic_type elem_type; | |
167 | } sequence; | |
37d5e202 | 168 | char padding[LTTNG_UST_TYPE_PADDING]; |
8020ceb5 MD |
169 | } u; |
170 | }; | |
171 | ||
37d5e202 | 172 | #define LTTNG_UST_ENUM_TYPE_PADDING 24 |
8020ceb5 MD |
173 | struct lttng_enum { |
174 | const char *name; | |
175 | struct lttng_type container_type; | |
176 | const struct lttng_enum_entry *entries; | |
23c8854a | 177 | unsigned int len; |
37d5e202 | 178 | char padding[LTTNG_UST_ENUM_TYPE_PADDING]; |
8020ceb5 MD |
179 | }; |
180 | ||
181 | /* Event field description */ | |
182 | ||
37d5e202 | 183 | #define LTTNG_UST_EVENT_FIELD_PADDING 32 |
8020ceb5 MD |
184 | struct lttng_event_field { |
185 | const char *name; | |
186 | struct lttng_type type; | |
37d5e202 | 187 | char padding[LTTNG_UST_EVENT_FIELD_PADDING]; |
8020ceb5 MD |
188 | }; |
189 | ||
37d5e202 | 190 | #define LTTNG_UST_CTX_FIELD_PADDING 40 |
8020ceb5 MD |
191 | struct lttng_ctx_field { |
192 | struct lttng_event_field event_field; | |
193 | size_t (*get_size)(size_t offset); | |
194 | void (*record)(struct lttng_ctx_field *field, | |
4cfec15c | 195 | struct lttng_ust_lib_ring_buffer_ctx *ctx, |
8020ceb5 MD |
196 | struct ltt_channel *chan); |
197 | union { | |
37d5e202 | 198 | char padding[LTTNG_UST_CTX_FIELD_PADDING]; |
8020ceb5 MD |
199 | } u; |
200 | void (*destroy)(struct lttng_ctx_field *field); | |
201 | }; | |
202 | ||
37d5e202 | 203 | #define LTTNG_UST_CTX_PADDING 24 |
8020ceb5 MD |
204 | struct lttng_ctx { |
205 | struct lttng_ctx_field *fields; | |
206 | unsigned int nr_fields; | |
207 | unsigned int allocated_fields; | |
37d5e202 MD |
208 | char padding[LTTNG_UST_CTX_PADDING]; |
209 | }; | |
210 | ||
211 | #define LTTNG_UST_EVENT_DESC_PADDING 40 | |
212 | struct lttng_event_desc { | |
213 | const char *name; | |
214 | void *probe_callback; | |
215 | const struct lttng_event_ctx *ctx; /* context */ | |
216 | const struct lttng_event_field *fields; /* event payload */ | |
217 | unsigned int nr_fields; | |
218 | const int **loglevel; | |
68755429 | 219 | const char *signature; /* Argument types/names received */ |
37d5e202 MD |
220 | char padding[LTTNG_UST_EVENT_DESC_PADDING]; |
221 | }; | |
222 | ||
223 | #define LTTNG_UST_PROBE_DESC_PADDING 40 | |
224 | struct lttng_probe_desc { | |
225 | const char *provider; | |
226 | const struct lttng_event_desc **event_desc; | |
227 | unsigned int nr_events; | |
228 | struct cds_list_head head; /* chain registered probes */ | |
229 | char padding[LTTNG_UST_PROBE_DESC_PADDING]; | |
8020ceb5 MD |
230 | }; |
231 | ||
37d5e202 MD |
232 | /* Data structures used by the tracer. */ |
233 | ||
e6c12e3d MD |
234 | /* |
235 | * Entry describing a per-session active wildcard, along with the event | |
236 | * attribute and channel information configuring the events that need to | |
237 | * be enabled. | |
238 | */ | |
239 | struct session_wildcard { | |
240 | struct ltt_channel *chan; | |
241 | struct lttng_ctx *ctx; /* TODO */ | |
242 | struct lttng_ust_event event_param; | |
243 | struct cds_list_head events; /* list of events enabled */ | |
244 | struct cds_list_head list; /* per-session list of wildcards */ | |
51c5df09 | 245 | struct cds_list_head session_list; /* node of session wildcard list */ |
e6c12e3d MD |
246 | struct wildcard_entry *entry; |
247 | unsigned int enabled:1; | |
248 | }; | |
249 | ||
250 | /* | |
251 | * Entry describing an active wildcard (per name) for all sessions. | |
252 | */ | |
253 | struct wildcard_entry { | |
51c5df09 | 254 | /* node of global wildcards list */ |
e6c12e3d | 255 | struct cds_list_head list; |
51c5df09 | 256 | /* head of session list to which this wildcard apply */ |
e6c12e3d | 257 | struct cds_list_head session_list; |
457a6b58 MD |
258 | enum lttng_ust_loglevel_type loglevel_type; |
259 | int loglevel; | |
e6c12e3d MD |
260 | char name[0]; |
261 | }; | |
262 | ||
c8fcf224 MD |
263 | struct tp_list_entry { |
264 | struct lttng_ust_tracepoint_iter tp; | |
265 | struct cds_list_head head; | |
266 | }; | |
267 | ||
268 | struct lttng_ust_tracepoint_list { | |
269 | struct tp_list_entry *iter; | |
270 | struct cds_list_head head; | |
8020ceb5 MD |
271 | }; |
272 | ||
8165c8da MD |
273 | struct ust_pending_probe; |
274 | ||
8020ceb5 MD |
275 | /* |
276 | * ltt_event structure is referred to by the tracing fast path. It must be | |
277 | * kept small. | |
278 | */ | |
279 | struct ltt_event { | |
280 | unsigned int id; | |
281 | struct ltt_channel *chan; | |
976fe9ea | 282 | int enabled; |
8020ceb5 MD |
283 | const struct lttng_event_desc *desc; |
284 | void *filter; | |
285 | struct lttng_ctx *ctx; | |
9f3fdbc6 | 286 | enum lttng_ust_instrumentation instrumentation; |
8020ceb5 | 287 | union { |
8020ceb5 | 288 | } u; |
9f3fdbc6 | 289 | struct cds_list_head list; /* Event list */ |
e6c12e3d | 290 | struct cds_list_head wildcard_list; /* Event list for wildcard */ |
8165c8da | 291 | struct ust_pending_probe *pending_probe; |
7c2caf2b | 292 | unsigned int metadata_dumped:1; |
8020ceb5 MD |
293 | }; |
294 | ||
8d8a24c8 | 295 | struct channel; |
38fae1d3 | 296 | struct lttng_ust_shm_handle; |
8d8a24c8 | 297 | |
8020ceb5 | 298 | struct ltt_channel_ops { |
1d498196 | 299 | struct ltt_channel *(*channel_create)(const char *name, |
8020ceb5 MD |
300 | void *buf_addr, |
301 | size_t subbuf_size, size_t num_subbuf, | |
302 | unsigned int switch_timer_interval, | |
193183fb | 303 | unsigned int read_timer_interval, |
ef9ff354 MD |
304 | int **shm_fd, int **wait_fd, |
305 | uint64_t **memory_map_size, | |
d028eddb | 306 | struct ltt_channel *chan_priv_init); |
1d498196 | 307 | void (*channel_destroy)(struct ltt_channel *ltt_chan); |
4cfec15c | 308 | struct lttng_ust_lib_ring_buffer *(*buffer_read_open)(struct channel *chan, |
38fae1d3 | 309 | struct lttng_ust_shm_handle *handle, |
ef9ff354 MD |
310 | int **shm_fd, int **wait_fd, |
311 | uint64_t **memory_map_size); | |
4cfec15c | 312 | void (*buffer_read_close)(struct lttng_ust_lib_ring_buffer *buf, |
38fae1d3 | 313 | struct lttng_ust_shm_handle *handle); |
4cfec15c | 314 | int (*event_reserve)(struct lttng_ust_lib_ring_buffer_ctx *ctx, |
8020ceb5 | 315 | uint32_t event_id); |
4cfec15c MD |
316 | void (*event_commit)(struct lttng_ust_lib_ring_buffer_ctx *ctx); |
317 | void (*event_write)(struct lttng_ust_lib_ring_buffer_ctx *ctx, const void *src, | |
8020ceb5 MD |
318 | size_t len); |
319 | /* | |
320 | * packet_avail_size returns the available size in the current | |
321 | * packet. Note that the size returned is only a hint, since it | |
322 | * may change due to concurrent writes. | |
323 | */ | |
1d498196 | 324 | size_t (*packet_avail_size)(struct channel *chan, |
38fae1d3 | 325 | struct lttng_ust_shm_handle *handle); |
9f3fdbc6 MD |
326 | //wait_queue_head_t *(*get_reader_wait_queue)(struct channel *chan); |
327 | //wait_queue_head_t *(*get_hp_wait_queue)(struct channel *chan); | |
8020ceb5 MD |
328 | int (*is_finalized)(struct channel *chan); |
329 | int (*is_disabled)(struct channel *chan); | |
38fae1d3 | 330 | int (*flush_buffer)(struct channel *chan, struct lttng_ust_shm_handle *handle); |
8020ceb5 MD |
331 | }; |
332 | ||
333 | struct ltt_channel { | |
a3f61e7f MD |
334 | /* |
335 | * The pointers located in this private data are NOT safe to be | |
336 | * dereferenced by the consumer. The only operations the | |
337 | * consumer process is designed to be allowed to do is to read | |
338 | * and perform subbuffer flush. | |
339 | */ | |
8020ceb5 | 340 | struct channel *chan; /* Channel buffers */ |
976fe9ea | 341 | int enabled; |
8020ceb5 MD |
342 | struct lttng_ctx *ctx; |
343 | /* Event ID management */ | |
344 | struct ltt_session *session; | |
0a42beb6 | 345 | int objd; /* Object associated to channel */ |
8020ceb5 | 346 | unsigned int free_event_id; /* Next event ID to allocate */ |
8165c8da | 347 | unsigned int used_event_id; /* Max allocated event IDs */ |
9f3fdbc6 | 348 | struct cds_list_head list; /* Channel list */ |
8020ceb5 MD |
349 | struct ltt_channel_ops *ops; |
350 | int header_type; /* 0: unset, 1: compact, 2: large */ | |
38fae1d3 | 351 | struct lttng_ust_shm_handle *handle; /* shared-memory handle */ |
7c2caf2b | 352 | unsigned int metadata_dumped:1; |
a3f61e7f MD |
353 | |
354 | /* Channel ID, available for consumer too */ | |
355 | unsigned int id; | |
356 | /* Copy of session UUID for consumer (availability through shm) */ | |
578ce73a | 357 | uuid_t uuid; /* Trace session unique ID */ |
8020ceb5 MD |
358 | }; |
359 | ||
360 | struct ltt_session { | |
361 | int active; /* Is trace session active ? */ | |
362 | int been_active; /* Has trace session been active ? */ | |
0a42beb6 | 363 | int objd; /* Object associated to session */ |
8020ceb5 | 364 | struct ltt_channel *metadata; /* Metadata channel */ |
9f3fdbc6 MD |
365 | struct cds_list_head chan; /* Channel list head */ |
366 | struct cds_list_head events; /* Event list head */ | |
e6c12e3d | 367 | struct cds_list_head wildcards; /* Wildcard list head */ |
9f3fdbc6 | 368 | struct cds_list_head list; /* Session list */ |
8020ceb5 | 369 | unsigned int free_chan_id; /* Next chan ID to allocate */ |
578ce73a | 370 | uuid_t uuid; /* Trace session unique ID */ |
7c2caf2b | 371 | unsigned int metadata_dumped:1; |
8020ceb5 MD |
372 | }; |
373 | ||
374 | struct ltt_transport { | |
375 | char *name; | |
9f3fdbc6 | 376 | struct cds_list_head node; |
8020ceb5 MD |
377 | struct ltt_channel_ops ops; |
378 | }; | |
379 | ||
380 | struct ltt_session *ltt_session_create(void); | |
976fe9ea MD |
381 | int ltt_session_enable(struct ltt_session *session); |
382 | int ltt_session_disable(struct ltt_session *session); | |
8020ceb5 MD |
383 | void ltt_session_destroy(struct ltt_session *session); |
384 | ||
385 | struct ltt_channel *ltt_channel_create(struct ltt_session *session, | |
386 | const char *transport_name, | |
387 | void *buf_addr, | |
388 | size_t subbuf_size, size_t num_subbuf, | |
389 | unsigned int switch_timer_interval, | |
193183fb | 390 | unsigned int read_timer_interval, |
ef9ff354 MD |
391 | int **shm_fd, int **wait_fd, |
392 | uint64_t **memory_map_size, | |
d028eddb | 393 | struct ltt_channel *chan_priv_init); |
8020ceb5 MD |
394 | struct ltt_channel *ltt_global_channel_create(struct ltt_session *session, |
395 | int overwrite, void *buf_addr, | |
396 | size_t subbuf_size, size_t num_subbuf, | |
397 | unsigned int switch_timer_interval, | |
193183fb | 398 | unsigned int read_timer_interval, |
ef9ff354 MD |
399 | int **shm_fd, int **wait_fd, |
400 | uint64_t **memory_map_size); | |
8020ceb5 | 401 | |
576599a0 MD |
402 | int ltt_event_create(struct ltt_channel *chan, |
403 | struct lttng_ust_event *event_param, | |
404 | void *filter, | |
405 | struct ltt_event **event); | |
8020ceb5 | 406 | |
976fe9ea MD |
407 | int ltt_channel_enable(struct ltt_channel *channel); |
408 | int ltt_channel_disable(struct ltt_channel *channel); | |
409 | int ltt_event_enable(struct ltt_event *event); | |
410 | int ltt_event_disable(struct ltt_event *event); | |
411 | ||
8020ceb5 MD |
412 | void ltt_transport_register(struct ltt_transport *transport); |
413 | void ltt_transport_unregister(struct ltt_transport *transport); | |
414 | ||
4b4de73e | 415 | void synchronize_trace(void); |
8020ceb5 MD |
416 | |
417 | int ltt_probe_register(struct lttng_probe_desc *desc); | |
418 | void ltt_probe_unregister(struct lttng_probe_desc *desc); | |
8165c8da | 419 | int pending_probe_fix_events(const struct lttng_event_desc *desc); |
8020ceb5 MD |
420 | const struct lttng_event_desc *ltt_event_get(const char *name); |
421 | void ltt_event_put(const struct lttng_event_desc *desc); | |
422 | int ltt_probes_init(void); | |
423 | void ltt_probes_exit(void); | |
8173ec7c MD |
424 | int lttng_find_context(struct lttng_ctx *ctx, const char *name); |
425 | struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx_p); | |
426 | void lttng_remove_context_field(struct lttng_ctx **ctx_p, | |
8020ceb5 MD |
427 | struct lttng_ctx_field *field); |
428 | void lttng_destroy_context(struct lttng_ctx *ctx); | |
3b402b40 | 429 | int lttng_add_vtid_to_ctx(struct lttng_ctx **ctx); |
c1ef86f0 | 430 | int lttng_add_vpid_to_ctx(struct lttng_ctx **ctx); |
8173ec7c | 431 | int lttng_add_pthread_id_to_ctx(struct lttng_ctx **ctx); |
4847e9bb | 432 | int lttng_add_procname_to_ctx(struct lttng_ctx **ctx); |
a93bfc45 | 433 | void lttng_context_vtid_reset(void); |
c1ef86f0 | 434 | void lttng_context_vpid_reset(void); |
9f3fdbc6 | 435 | |
7a784989 MD |
436 | const struct lttng_ust_lib_ring_buffer_client_cb *lttng_client_callbacks_metadata; |
437 | const struct lttng_ust_lib_ring_buffer_client_cb *lttng_client_callbacks_discard; | |
438 | const struct lttng_ust_lib_ring_buffer_client_cb *lttng_client_callbacks_overwrite; | |
c1fca457 | 439 | |
c1fca457 MD |
440 | struct ltt_transport *ltt_transport_find(const char *name); |
441 | ||
c8fcf224 MD |
442 | int ltt_probes_get_event_list(struct lttng_ust_tracepoint_list *list); |
443 | void ltt_probes_prune_event_list(struct lttng_ust_tracepoint_list *list); | |
444 | struct lttng_ust_tracepoint_iter * | |
445 | lttng_ust_tracepoint_list_get_iter_next(struct lttng_ust_tracepoint_list *list); | |
446 | ||
e6c12e3d MD |
447 | int ltt_wildcard_enable(struct session_wildcard *wildcard); |
448 | int ltt_wildcard_disable(struct session_wildcard *wildcard); | |
449 | int ltt_wildcard_create(struct ltt_channel *chan, | |
450 | struct lttng_ust_event *event_param, | |
451 | struct session_wildcard **sl); | |
457a6b58 MD |
452 | int ltt_loglevel_match(const struct lttng_event_desc *desc, |
453 | enum lttng_ust_loglevel_type req_type, | |
454 | int req_loglevel); | |
455 | void ltt_probes_create_wildcard_events(struct wildcard_entry *entry, | |
456 | struct session_wildcard *wildcard); | |
e6c12e3d | 457 | |
51489cad | 458 | #endif /* _LTTNG_UST_EVENTS_H */ |