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36c52fff MJ |
1 | /* |
2 | * SPDX-License-Identifier: MIT | |
3 | * | |
4 | * Copyright 2019 (c) Francis Deslauriers <francis.deslauriers@efficios.com> | |
5 | */ | |
6 | ||
7 | #ifndef _LTTNG_UST_EVENTS_INTERNAL_H | |
8 | #define _LTTNG_UST_EVENTS_INTERNAL_H | |
9 | ||
10 | #include "common/events.h" | |
11 | ||
12 | /* | |
b187bcd5 | 13 | * Allocate and initialize a `struct lttng_event_recorder_enabler` object. |
36c52fff | 14 | * |
b187bcd5 | 15 | * On success, returns a `struct lttng_event_recorder_enabler`, |
36c52fff MJ |
16 | * On memory error, returns NULL. |
17 | */ | |
b187bcd5 | 18 | struct lttng_event_recorder_enabler *lttng_event_recorder_enabler_create( |
36c52fff | 19 | enum lttng_enabler_format_type format_type, |
b187bcd5 | 20 | const struct lttng_ust_abi_event *event_param, |
36c52fff MJ |
21 | struct lttng_ust_channel_buffer *chan) |
22 | __attribute__((visibility("hidden"))); | |
23 | ||
24 | /* | |
b187bcd5 MD |
25 | * Allocate and initialize a `struct lttng_event_counter_enabler` object. |
26 | * | |
27 | * On success, returns a `struct lttng_event_counter_enabler`, | |
28 | * On memory error, returns NULL. | |
29 | */ | |
30 | struct lttng_event_counter_enabler *lttng_event_counter_enabler_create( | |
31 | enum lttng_enabler_format_type format_type, | |
2ec133be MD |
32 | const struct lttng_ust_abi_counter_event *counter_event, |
33 | const struct lttng_counter_key *key, | |
b187bcd5 MD |
34 | struct lttng_ust_channel_counter *chan) |
35 | __attribute__((visibility("hidden"))); | |
36 | ||
37 | /* | |
38 | * Destroy a `struct lttng_event_enabler_common` object. | |
36c52fff | 39 | */ |
b187bcd5 | 40 | void lttng_event_enabler_destroy(struct lttng_event_enabler_common *event_enabler) |
36c52fff MJ |
41 | __attribute__((visibility("hidden"))); |
42 | ||
43 | /* | |
be05e78e | 44 | * Enable a `struct lttng_event_enabler_common` object and all events related to this |
36c52fff MJ |
45 | * enabler. |
46 | */ | |
be05e78e | 47 | int lttng_event_enabler_enable(struct lttng_event_enabler_common *enabler) |
36c52fff MJ |
48 | __attribute__((visibility("hidden"))); |
49 | ||
50 | /* | |
be05e78e | 51 | * Disable a `struct lttng_event_enabler_common` object and all events related to this |
36c52fff MJ |
52 | * enabler. |
53 | */ | |
be05e78e | 54 | int lttng_event_enabler_disable(struct lttng_event_enabler_common *enabler) |
36c52fff MJ |
55 | __attribute__((visibility("hidden"))); |
56 | ||
57 | /* | |
4b066aeb | 58 | * Attach filter bytecode program to `struct lttng_event_enabler_common` and all |
36c52fff MJ |
59 | * events related to this enabler. |
60 | */ | |
61 | int lttng_event_enabler_attach_filter_bytecode( | |
4b066aeb | 62 | struct lttng_event_enabler_common *enabler, |
36c52fff MJ |
63 | struct lttng_ust_bytecode_node **bytecode) |
64 | __attribute__((visibility("hidden"))); | |
65 | ||
66 | /* | |
67 | * Attach an application context to an event enabler. | |
68 | * | |
69 | * Not implemented. | |
70 | */ | |
b187bcd5 | 71 | int lttng_event_enabler_attach_context(struct lttng_event_enabler_session_common *enabler, |
36c52fff MJ |
72 | struct lttng_ust_abi_context *ctx) |
73 | __attribute__((visibility("hidden"))); | |
74 | ||
75 | /* | |
481b4606 | 76 | * Attach exclusion list to `struct lttng_event_enabler_common` and all |
36c52fff MJ |
77 | * events related to this enabler. |
78 | */ | |
481b4606 | 79 | int lttng_event_enabler_attach_exclusion(struct lttng_event_enabler_common *enabler, |
36c52fff MJ |
80 | struct lttng_ust_excluder_node **excluder) |
81 | __attribute__((visibility("hidden"))); | |
82 | ||
83 | /* | |
84 | * Synchronize bytecodes for the enabler and the instance (event or | |
85 | * event_notifier). | |
86 | * | |
87 | * This function goes over all bytecode programs of the enabler (event or | |
88 | * event_notifier enabler) to ensure each is linked to the provided instance. | |
89 | */ | |
90 | void lttng_enabler_link_bytecode(const struct lttng_ust_event_desc *event_desc, | |
91 | struct lttng_ust_ctx **ctx, | |
92 | struct cds_list_head *instance_bytecode_runtime_head, | |
93 | struct cds_list_head *enabler_bytecode_runtime_head) | |
94 | __attribute__((visibility("hidden"))); | |
95 | ||
96 | /* | |
97 | * Allocate and initialize a `struct lttng_event_notifier_group` object. | |
98 | * | |
99 | * On success, returns a `struct lttng_triggre_group`, | |
100 | * on memory error, returns NULL. | |
101 | */ | |
102 | struct lttng_event_notifier_group *lttng_event_notifier_group_create(void) | |
103 | __attribute__((visibility("hidden"))); | |
104 | ||
105 | /* | |
106 | * Destroy a `struct lttng_event_notifier_group` object. | |
107 | */ | |
108 | void lttng_event_notifier_group_destroy( | |
109 | struct lttng_event_notifier_group *event_notifier_group) | |
110 | __attribute__((visibility("hidden"))); | |
111 | ||
112 | /* | |
113 | * Allocate and initialize a `struct lttng_event_notifier_enabler` object. | |
114 | * | |
115 | * On success, returns a `struct lttng_event_notifier_enabler`, | |
116 | * On memory error, returns NULL. | |
117 | */ | |
118 | struct lttng_event_notifier_enabler *lttng_event_notifier_enabler_create( | |
119 | struct lttng_event_notifier_group *event_notifier_group, | |
120 | enum lttng_enabler_format_type format_type, | |
121 | struct lttng_ust_abi_event_notifier *event_notifier_param) | |
122 | __attribute__((visibility("hidden"))); | |
123 | ||
36c52fff MJ |
124 | /* |
125 | * Attach capture bytecode program to `struct lttng_event_notifier_enabler` and | |
126 | * all event_notifiers related to this enabler. | |
127 | */ | |
128 | int lttng_event_notifier_enabler_attach_capture_bytecode( | |
129 | struct lttng_event_notifier_enabler *event_notifier_enabler, | |
130 | struct lttng_ust_bytecode_node **bytecode) | |
131 | __attribute__((visibility("hidden"))); | |
132 | ||
36c52fff MJ |
133 | void lttng_free_event_filter_runtime(struct lttng_ust_event_common *event) |
134 | __attribute__((visibility("hidden"))); | |
135 | ||
136 | /* | |
137 | * Connect the probe on all enablers matching this event description. | |
138 | * Called on library load. | |
139 | */ | |
140 | int lttng_fix_pending_event_notifiers(void) | |
141 | __attribute__((visibility("hidden"))); | |
142 | ||
b187bcd5 | 143 | struct lttng_ust_channel_counter *lttng_ust_counter_create( |
36c52fff | 144 | const char *counter_transport_name, |
b187bcd5 MD |
145 | size_t number_dimensions, |
146 | const struct lttng_counter_dimension *dimensions, | |
147 | int64_t global_sum_step, | |
148 | bool coalesce_hits) | |
36c52fff MJ |
149 | __attribute__((visibility("hidden"))); |
150 | ||
151 | #ifdef HAVE_LINUX_PERF_EVENT_H | |
152 | ||
153 | int lttng_add_perf_counter_to_ctx(uint32_t type, | |
154 | uint64_t config, | |
155 | const char *name, | |
156 | struct lttng_ust_ctx **ctx) | |
157 | __attribute__((visibility("hidden"))); | |
158 | ||
159 | int lttng_perf_counter_init(void) | |
160 | __attribute__((visibility("hidden"))); | |
161 | ||
162 | void lttng_perf_counter_exit(void) | |
163 | __attribute__((visibility("hidden"))); | |
164 | ||
165 | #else /* #ifdef HAVE_LINUX_PERF_EVENT_H */ | |
166 | ||
167 | static inline | |
e2a195a6 MJ |
168 | int lttng_add_perf_counter_to_ctx(uint32_t type __attribute__((unused)), |
169 | uint64_t config __attribute__((unused)), | |
170 | const char *name __attribute__((unused)), | |
171 | struct lttng_ust_ctx **ctx __attribute__((unused))) | |
36c52fff MJ |
172 | { |
173 | return -ENOSYS; | |
174 | } | |
175 | static inline | |
176 | int lttng_perf_counter_init(void) | |
177 | { | |
178 | return 0; | |
179 | } | |
180 | static inline | |
181 | void lttng_perf_counter_exit(void) | |
182 | { | |
183 | } | |
184 | #endif /* #else #ifdef HAVE_LINUX_PERF_EVENT_H */ | |
185 | ||
186 | int lttng_probes_get_event_list(struct lttng_ust_tracepoint_list *list) | |
187 | __attribute__((visibility("hidden"))); | |
188 | ||
189 | void lttng_probes_prune_event_list(struct lttng_ust_tracepoint_list *list) | |
190 | __attribute__((visibility("hidden"))); | |
191 | ||
192 | int lttng_probes_get_field_list(struct lttng_ust_field_list *list) | |
193 | __attribute__((visibility("hidden"))); | |
194 | ||
195 | void lttng_probes_prune_field_list(struct lttng_ust_field_list *list) | |
196 | __attribute__((visibility("hidden"))); | |
197 | ||
198 | struct lttng_ust_abi_tracepoint_iter * | |
199 | lttng_ust_tracepoint_list_get_iter_next(struct lttng_ust_tracepoint_list *list) | |
200 | __attribute__((visibility("hidden"))); | |
201 | ||
202 | struct lttng_ust_abi_field_iter * | |
203 | lttng_ust_field_list_get_iter_next(struct lttng_ust_field_list *list) | |
204 | __attribute__((visibility("hidden"))); | |
205 | ||
206 | struct lttng_ust_session *lttng_session_create(void) | |
207 | __attribute__((visibility("hidden"))); | |
208 | ||
209 | int lttng_session_enable(struct lttng_ust_session *session) | |
210 | __attribute__((visibility("hidden"))); | |
211 | ||
212 | int lttng_session_disable(struct lttng_ust_session *session) | |
213 | __attribute__((visibility("hidden"))); | |
214 | ||
215 | int lttng_session_statedump(struct lttng_ust_session *session) | |
216 | __attribute__((visibility("hidden"))); | |
217 | ||
218 | void lttng_session_destroy(struct lttng_ust_session *session) | |
219 | __attribute__((visibility("hidden"))); | |
220 | ||
221 | /* | |
222 | * Called with ust lock held. | |
223 | */ | |
224 | int lttng_session_active(void) | |
225 | __attribute__((visibility("hidden"))); | |
226 | ||
227 | struct cds_list_head *lttng_get_sessions(void) | |
228 | __attribute__((visibility("hidden"))); | |
229 | ||
230 | void lttng_handle_pending_statedump(void *owner) | |
231 | __attribute__((visibility("hidden"))); | |
232 | ||
233 | int lttng_channel_enable(struct lttng_ust_channel_common *lttng_channel) | |
234 | __attribute__((visibility("hidden"))); | |
235 | ||
236 | int lttng_channel_disable(struct lttng_ust_channel_common *lttng_channel) | |
237 | __attribute__((visibility("hidden"))); | |
238 | ||
36c52fff MJ |
239 | void lttng_probe_provider_unregister_events(const struct lttng_ust_probe_desc *desc) |
240 | __attribute__((visibility("hidden"))); | |
241 | ||
242 | int lttng_fix_pending_events(void) | |
243 | __attribute__((visibility("hidden"))); | |
244 | ||
245 | struct cds_list_head *lttng_get_probe_list_head(void) | |
246 | __attribute__((visibility("hidden"))); | |
247 | ||
248 | int lttng_abi_create_root_handle(void) | |
249 | __attribute__((visibility("hidden"))); | |
250 | ||
251 | const struct lttng_ust_abi_objd_ops *lttng_ust_abi_objd_ops(int id) | |
252 | __attribute__((visibility("hidden"))); | |
253 | ||
254 | int lttng_ust_abi_objd_unref(int id, int is_owner) | |
255 | __attribute__((visibility("hidden"))); | |
256 | ||
257 | void lttng_ust_abi_exit(void) | |
258 | __attribute__((visibility("hidden"))); | |
259 | ||
260 | void lttng_ust_abi_events_exit(void) | |
261 | __attribute__((visibility("hidden"))); | |
262 | ||
263 | void lttng_ust_abi_objd_table_owner_cleanup(void *owner) | |
264 | __attribute__((visibility("hidden"))); | |
265 | ||
9c098f23 | 266 | int lttng_ust_interpret_event_filter(const struct lttng_ust_event_common *event, |
36c52fff | 267 | const char *interpreter_stack_data, |
b2e37d27 | 268 | struct lttng_ust_probe_ctx *probe_ctx, |
36c52fff MJ |
269 | void *filter_ctx) |
270 | __attribute__((visibility("hidden"))); | |
271 | ||
272 | int lttng_ust_session_uuid_validate(struct lttng_ust_session *session, | |
273 | unsigned char *uuid) | |
274 | __attribute__((visibility("hidden"))); | |
275 | ||
276 | bool lttng_ust_validate_event_name(const struct lttng_ust_event_desc *desc) | |
277 | __attribute__((visibility("hidden"))); | |
278 | ||
279 | void lttng_ust_format_event_name(const struct lttng_ust_event_desc *desc, | |
280 | char *name) | |
281 | __attribute__((visibility("hidden"))); | |
282 | ||
283 | int lttng_ust_add_app_context_to_ctx_rcu(const char *name, struct lttng_ust_ctx **ctx) | |
284 | __attribute__((visibility("hidden"))); | |
285 | ||
286 | int lttng_ust_context_set_provider_rcu(struct lttng_ust_ctx **_ctx, | |
287 | const char *name, | |
b2e37d27 MD |
288 | size_t (*get_size)(void *priv, struct lttng_ust_probe_ctx *probe_ctx, |
289 | size_t offset), | |
290 | void (*record)(void *priv, struct lttng_ust_probe_ctx *probe_ctx, | |
291 | struct lttng_ust_ring_buffer_ctx *ctx, | |
36c52fff | 292 | struct lttng_ust_channel_buffer *chan), |
b2e37d27 | 293 | void (*get_value)(void *priv, struct lttng_ust_probe_ctx *probe_ctx, |
a5d437c5 | 294 | struct lttng_ust_ctx_value *value)) |
36c52fff MJ |
295 | __attribute__((visibility("hidden"))); |
296 | ||
297 | void lttng_ust_context_set_session_provider(const char *name, | |
b2e37d27 MD |
298 | size_t (*get_size)(void *priv, struct lttng_ust_probe_ctx *probe_ctx, |
299 | size_t offset), | |
300 | void (*record)(void *priv, struct lttng_ust_probe_ctx *probe_ctx, | |
301 | struct lttng_ust_ring_buffer_ctx *ctx, | |
36c52fff | 302 | struct lttng_ust_channel_buffer *chan), |
b2e37d27 | 303 | void (*get_value)(void *priv, struct lttng_ust_probe_ctx *probe_ctx, |
a5d437c5 | 304 | struct lttng_ust_ctx_value *value)) |
36c52fff MJ |
305 | __attribute__((visibility("hidden"))); |
306 | ||
307 | #endif /* _LTTNG_UST_EVENTS_INTERNAL_H */ |