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91d76f53 | 1 | /* |
21cf9b6b | 2 | * Copyright (C) 2011 EfficiOS Inc. |
ab5be9fa | 3 | * Copyright (C) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
91d76f53 | 4 | * |
ab5be9fa | 5 | * SPDX-License-Identifier: GPL-2.0-only |
91d76f53 | 6 | * |
91d76f53 DG |
7 | */ |
8 | ||
2106efa0 | 9 | #ifndef _LTT_UST_APP_H |
f6a9efaa | 10 | #define _LTT_UST_APP_H |
91d76f53 | 11 | |
28f23191 JG |
12 | #include "session.hpp" |
13 | #include "trace-ust.hpp" | |
14 | #include "ust-field-convert.hpp" | |
15 | #include "ust-registry-session.hpp" | |
16 | #include "ust-registry.hpp" | |
1e307fab | 17 | |
d7bfb9b0 | 18 | #include <common/format.hpp> |
28f23191 | 19 | #include <common/index-allocator.hpp> |
c9e313bc | 20 | #include <common/uuid.hpp> |
f20baf8e | 21 | |
28f23191 | 22 | #include <stdint.h> |
44d3bd01 | 23 | |
b551a063 DG |
24 | #define UST_APP_EVENT_LIST_SIZE 32 |
25 | ||
d88aee68 | 26 | /* Process name (short). */ |
28f23191 | 27 | #define UST_APP_PROCNAME_LEN 16 |
d0b96690 | 28 | |
2b00d462 | 29 | struct lttng_bytecode; |
53a80697 MD |
30 | struct lttng_ust_filter_bytecode; |
31 | ||
412d7227 | 32 | extern int the_ust_consumerd64_fd, the_ust_consumerd32_fd; |
ba5d816e | 33 | |
d88aee68 DG |
34 | /* |
35 | * Object used to close the notify socket in a call_rcu(). Since the | |
36 | * application might not be found, we need an independant object containing the | |
37 | * notify socket fd. | |
38 | */ | |
39 | struct ust_app_notify_sock_obj { | |
40 | int fd; | |
41 | struct rcu_head head; | |
42 | }; | |
43 | ||
18eace3b DG |
44 | struct ust_app_ht_key { |
45 | const char *name; | |
2b00d462 | 46 | const struct lttng_bytecode *filter; |
fc4b93fa | 47 | enum lttng_ust_abi_loglevel_type loglevel_type; |
51755dc8 | 48 | const struct lttng_event_exclusion *exclusion; |
18eace3b DG |
49 | }; |
50 | ||
099e26bd DG |
51 | /* |
52 | * Application registration data structure. | |
53 | */ | |
54 | struct ust_register_msg { | |
b623cb6a | 55 | enum lttng_ust_ctl_socket_type type; |
099e26bd DG |
56 | uint32_t major; |
57 | uint32_t minor; | |
d0b96690 DG |
58 | uint32_t abi_major; |
59 | uint32_t abi_minor; | |
099e26bd DG |
60 | pid_t pid; |
61 | pid_t ppid; | |
62 | uid_t uid; | |
63 | gid_t gid; | |
0df502fd | 64 | uint32_t bits_per_long; |
d0b96690 DG |
65 | uint32_t uint8_t_alignment; |
66 | uint32_t uint16_t_alignment; | |
67 | uint32_t uint32_t_alignment; | |
68 | uint32_t uint64_t_alignment; | |
69 | uint32_t long_alignment; | |
28f23191 | 70 | int byte_order; /* BIG_ENDIAN or LITTLE_ENDIAN */ |
d0b96690 | 71 | char name[LTTNG_UST_ABI_PROCNAME_LEN]; |
099e26bd DG |
72 | }; |
73 | ||
48842b30 | 74 | /* |
852d0037 DG |
75 | * Global applications HT used by the session daemon. This table is indexed by |
76 | * PID using the pid_n node and pid value of an ust_app. | |
48842b30 | 77 | */ |
44cdb3a2 | 78 | extern struct lttng_ht *ust_app_ht; |
f6a9efaa | 79 | |
852d0037 DG |
80 | /* |
81 | * Global applications HT used by the session daemon. This table is indexed by | |
82 | * socket using the sock_n node and sock value of an ust_app. | |
12e22e8d JG |
83 | * |
84 | * The 'sock' in question here is the 'command' socket. | |
852d0037 | 85 | */ |
44cdb3a2 | 86 | extern struct lttng_ht *ust_app_ht_by_sock; |
91d76f53 | 87 | |
d0b96690 DG |
88 | /* |
89 | * Global applications HT used by the session daemon. This table is indexed by | |
90 | * socket using the notify_sock_n node and notify_sock value of an ust_app. | |
91 | */ | |
44cdb3a2 | 92 | extern struct lttng_ht *ust_app_ht_by_notify_sock; |
d0b96690 | 93 | |
030a66fa DG |
94 | /* Stream list containing ust_app_stream. */ |
95 | struct ust_app_stream_list { | |
96 | unsigned int count; | |
97 | struct cds_list_head head; | |
98 | }; | |
99 | ||
55cc08a6 DG |
100 | struct ust_app_ctx { |
101 | int handle; | |
bdf64013 | 102 | struct lttng_ust_context_attr ctx; |
fc4b93fa | 103 | struct lttng_ust_abi_object_data *obj; |
bec39940 | 104 | struct lttng_ht_node_ulong node; |
31746f93 | 105 | struct cds_list_head list; |
55cc08a6 DG |
106 | }; |
107 | ||
48842b30 | 108 | struct ust_app_event { |
66cefebd | 109 | bool enabled; |
48842b30 | 110 | int handle; |
fc4b93fa MD |
111 | struct lttng_ust_abi_object_data *obj; |
112 | struct lttng_ust_abi_event attr; | |
113 | char name[LTTNG_UST_ABI_SYM_NAME_LEN]; | |
bec39940 | 114 | struct lttng_ht_node_str node; |
2b00d462 | 115 | struct lttng_bytecode *filter; |
51755dc8 | 116 | struct lttng_event_exclusion *exclusion; |
48842b30 DG |
117 | }; |
118 | ||
993578ff | 119 | struct ust_app_event_notifier_rule { |
66cefebd | 120 | bool enabled; |
533a90fb | 121 | uint64_t error_counter_index; |
993578ff | 122 | int handle; |
fc4b93fa | 123 | struct lttng_ust_abi_object_data *obj; |
993578ff | 124 | /* Holds a strong reference. */ |
267d66aa | 125 | struct lttng_trigger *trigger; |
993578ff JR |
126 | /* Unique ID returned by the tracer to identify this event notifier. */ |
127 | uint64_t token; | |
128 | struct lttng_ht_node_u64 node; | |
267d66aa | 129 | /* The trigger object owns the filter. */ |
2b00d462 | 130 | const struct lttng_bytecode *filter; |
993578ff JR |
131 | /* Owned by this. */ |
132 | struct lttng_event_exclusion *exclusion; | |
133 | /* For delayed reclaim. */ | |
134 | struct rcu_head rcu_head; | |
135 | }; | |
136 | ||
030a66fa DG |
137 | struct ust_app_stream { |
138 | int handle; | |
139 | char pathname[PATH_MAX]; | |
140 | /* Format is %s_%d respectively channel name and CPU number. */ | |
141 | char name[DEFAULT_STREAM_NAME_LEN]; | |
fc4b93fa | 142 | struct lttng_ust_abi_object_data *obj; |
030a66fa DG |
143 | /* Using a list of streams to keep order. */ |
144 | struct cds_list_head list; | |
145 | }; | |
146 | ||
48842b30 | 147 | struct ust_app_channel { |
66cefebd | 148 | bool enabled; |
48842b30 | 149 | int handle; |
dda154b8 JG |
150 | /* |
151 | * Unique key used to identify the channel on the consumer side. | |
152 | * 0 is a reserved 'invalid' value used to indicate that the consumer | |
a9577b76 | 153 | * does not know about this channel (i.e. an error occurred). |
dda154b8 | 154 | */ |
d88aee68 | 155 | uint64_t key; |
7972aab2 DG |
156 | /* Id of the tracing channel set on creation. */ |
157 | uint64_t tracing_channel_id; | |
ffe60014 DG |
158 | /* Number of stream that this channel is expected to receive. */ |
159 | unsigned int expected_stream_count; | |
fc4b93fa MD |
160 | char name[LTTNG_UST_ABI_SYM_NAME_LEN]; |
161 | struct lttng_ust_abi_object_data *obj; | |
b623cb6a | 162 | struct lttng_ust_ctl_consumer_channel_attr attr; |
030a66fa | 163 | struct ust_app_stream_list streams; |
d0b96690 DG |
164 | /* Session pointer that owns this object. */ |
165 | struct ust_app_session *session; | |
31746f93 DG |
166 | /* |
167 | * Contexts are kept in a hash table for fast lookup and in an ordered list | |
168 | * so we are able to enable them on the tracer side in the same order the | |
169 | * user added them. | |
170 | */ | |
bec39940 | 171 | struct lttng_ht *ctx; |
31746f93 DG |
172 | struct cds_list_head ctx_list; |
173 | ||
bec39940 | 174 | struct lttng_ht *events; |
1624d5b7 JD |
175 | uint64_t tracefile_size; |
176 | uint64_t tracefile_count; | |
e9404c27 | 177 | uint64_t monitor_timer_interval; |
d0b96690 DG |
178 | /* |
179 | * Node indexed by channel name in the channels' hash table of a session. | |
180 | */ | |
bec39940 | 181 | struct lttng_ht_node_str node; |
d0b96690 DG |
182 | /* |
183 | * Node indexed by UST channel object descriptor (handle). Stored in the | |
184 | * ust_objd hash table in the ust_app object. | |
185 | */ | |
186 | struct lttng_ht_node_ulong ust_objd_node; | |
36b588ed MD |
187 | /* For delayed reclaim */ |
188 | struct rcu_head rcu_head; | |
48842b30 DG |
189 | }; |
190 | ||
191 | struct ust_app_session { | |
d0b96690 DG |
192 | /* |
193 | * Lock protecting this session's ust app interaction. Held | |
194 | * across command send/recv to/from app. Never nests within the | |
195 | * session registry lock. | |
196 | */ | |
197 | pthread_mutex_t lock; | |
198 | ||
66cefebd | 199 | bool enabled; |
8be98f9a | 200 | /* started: has the session been in started state at any time ? */ |
28f23191 JG |
201 | bool started; /* allows detection of start vs restart. */ |
202 | int handle; /* used has unique identifier for app session */ | |
7972aab2 | 203 | |
28f23191 | 204 | bool deleted; /* Session deleted flag. Check with lock held. */ |
b161602a | 205 | |
7972aab2 DG |
206 | /* |
207 | * Tracing session ID. Multiple ust app session can have the same tracing | |
208 | * session id making this value NOT unique to the object. | |
209 | */ | |
d9bf3ca4 | 210 | uint64_t tracing_id; |
28f23191 | 211 | uint64_t id; /* Unique session identifier */ |
bec39940 | 212 | struct lttng_ht *channels; /* Registered channels */ |
d9bf3ca4 | 213 | struct lttng_ht_node_u64 node; |
10b56aef MD |
214 | /* |
215 | * Node indexed by UST session object descriptor (handle). Stored in the | |
216 | * ust_sessions_objd hash table in the ust_app object. | |
217 | */ | |
218 | struct lttng_ht_node_ulong ust_objd_node; | |
d2956687 | 219 | /* Starts with 'ust'; no leading slash. */ |
bec39940 | 220 | char path[PATH_MAX]; |
7972aab2 | 221 | /* UID/GID of the application owning the session */ |
470cc211 | 222 | struct lttng_credentials real_credentials; |
7972aab2 | 223 | /* Effective UID and GID. Same as the tracing session. */ |
470cc211 | 224 | struct lttng_credentials effective_credentials; |
d42f20df | 225 | struct cds_list_head teardown_node; |
d88aee68 DG |
226 | /* |
227 | * Once at least *one* session is created onto the application, the | |
228 | * corresponding consumer is set so we can use it on unregistration. | |
229 | */ | |
230 | struct consumer_output *consumer; | |
7972aab2 DG |
231 | enum lttng_buffer_type buffer_type; |
232 | /* ABI of the session. Same value as the application. */ | |
233 | uint32_t bits_per_long; | |
36b588ed MD |
234 | /* For delayed reclaim */ |
235 | struct rcu_head rcu_head; | |
2bba9e53 DG |
236 | /* If the channel's streams have to be outputed or not. */ |
237 | unsigned int output_traces; | |
28f23191 | 238 | unsigned int live_timer_interval; /* usec */ |
ad7a9107 DG |
239 | |
240 | /* Metadata channel attributes. */ | |
b623cb6a | 241 | struct lttng_ust_ctl_consumer_channel_attr metadata_attr; |
d7ba1388 | 242 | |
3d071855 | 243 | char root_shm_path[PATH_MAX]; |
d7ba1388 | 244 | char shm_path[PATH_MAX]; |
48842b30 DG |
245 | }; |
246 | ||
f6a9efaa DG |
247 | /* |
248 | * Registered traceable applications. Libust registers to the session daemon | |
050349bb | 249 | * and a linked list is kept of all running traceable app. |
91d76f53 | 250 | */ |
56fff090 | 251 | struct ust_app { |
9fdee7ba | 252 | /* Traffic initiated from the session daemon to the application. */ |
852d0037 | 253 | int sock; |
28f23191 | 254 | pthread_mutex_t sock_lock; /* Protects sock protocol. */ |
fb45065e | 255 | |
9fdee7ba | 256 | /* Traffic initiated from the application to the session daemon. */ |
d0b96690 | 257 | int notify_sock; |
852d0037 | 258 | pid_t pid; |
099e26bd | 259 | pid_t ppid; |
28f23191 JG |
260 | uid_t uid; /* User ID that owns the apps */ |
261 | gid_t gid; /* Group ID that owns the apps */ | |
d0b96690 | 262 | |
d7bfb9b0 JG |
263 | /* App ABI. */ |
264 | lttng::sessiond::trace::abi abi; | |
d0b96690 | 265 | |
e0c7ec2b DG |
266 | int compatible; /* If the lttng-ust tracer version does not match the |
267 | supported version of the session daemon, this flag is | |
268 | set to 0 (NOT compatible) else 1. */ | |
fc4b93fa | 269 | struct lttng_ust_abi_tracer_version version; |
28f23191 JG |
270 | uint32_t v_major; /* Version major number */ |
271 | uint32_t v_minor; /* Version minor number */ | |
d88aee68 DG |
272 | /* Extra for the NULL byte. */ |
273 | char name[UST_APP_PROCNAME_LEN + 1]; | |
7972aab2 DG |
274 | /* Type of buffer this application uses. */ |
275 | enum lttng_buffer_type buffer_type; | |
bec39940 | 276 | struct lttng_ht *sessions; |
852d0037 DG |
277 | struct lttng_ht_node_ulong pid_n; |
278 | struct lttng_ht_node_ulong sock_n; | |
d0b96690 | 279 | struct lttng_ht_node_ulong notify_sock_n; |
d42f20df DG |
280 | /* |
281 | * This is a list of ust app session that, once the app is going into | |
282 | * teardown mode, in the RCU call, each node in this list is removed and | |
283 | * deleted. | |
284 | * | |
285 | * Element of the list are added when an application unregisters after each | |
286 | * ht_del of ust_app_session associated to this app. This list is NOT used | |
287 | * when a session is destroyed. | |
288 | */ | |
289 | struct cds_list_head teardown_head; | |
d0b96690 DG |
290 | /* |
291 | * Hash table containing ust_app_channel indexed by channel objd. | |
292 | */ | |
293 | struct lttng_ht *ust_objd; | |
10b56aef MD |
294 | /* |
295 | * Hash table containing ust_app_session indexed by objd. | |
296 | */ | |
297 | struct lttng_ht *ust_sessions_objd; | |
022d91ba | 298 | |
f20baf8e | 299 | /* |
022d91ba DG |
300 | * If this application is of the agent domain and this is non negative then |
301 | * a lookup MUST be done to acquire a read side reference to the | |
302 | * corresponding agent app object. If the lookup fails, this should be set | |
303 | * to a negative value indicating that the agent application is gone. | |
f20baf8e | 304 | */ |
022d91ba | 305 | int agent_app_sock; |
940c4592 JR |
306 | /* |
307 | * Time at which the app is registred. | |
308 | * Used for path creation | |
309 | */ | |
310 | time_t registration_time; | |
da873412 JR |
311 | /* |
312 | * Event notifier | |
313 | */ | |
314 | struct { | |
315 | /* | |
316 | * Handle to the lttng_ust object representing the event | |
317 | * notifier group. | |
318 | */ | |
fc4b93fa | 319 | struct lttng_ust_abi_object_data *object; |
da873412 | 320 | struct lttng_pipe *event_pipe; |
533a90fb FD |
321 | struct lttng_ust_abi_object_data *counter; |
322 | struct lttng_ust_abi_object_data **counter_cpu; | |
323 | int nr_counter_cpu; | |
da873412 | 324 | } event_notifier_group; |
993578ff JR |
325 | /* |
326 | * Hashtable indexing the application's event notifier rule's | |
327 | * (ust_app_event_notifier_rule) by their token's value. | |
328 | */ | |
329 | struct lttng_ht *token_to_event_notifier_rule_ht; | |
b6bbb1d6 JG |
330 | |
331 | lttng::sessiond::ust::ctl_field_quirks ctl_field_quirks() const; | |
91d76f53 DG |
332 | }; |
333 | ||
11bcbf89 JG |
334 | /* |
335 | * Due to a bug in g++ < 7.1, this specialization must be enclosed in the fmt namespace, | |
336 | * see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56480. | |
337 | */ | |
e2c2bec2 | 338 | namespace fmt { |
d7bfb9b0 | 339 | template <> |
e2c2bec2 | 340 | struct formatter<ust_app> : formatter<std::string> { |
31375c42 JG |
341 | template <typename FormatContextType> |
342 | typename FormatContextType::iterator format(const ust_app& app, FormatContextType& ctx) | |
d7bfb9b0 | 343 | { |
28f23191 JG |
344 | return format_to( |
345 | ctx.out(), | |
346 | "{{ procname = `{}`, ppid = {}, pid = {}, uid = {}, gid = {}, version = {}.{}, registration time = {} }}", | |
347 | app.name, | |
348 | app.ppid, | |
349 | app.pid, | |
350 | app.uid, | |
351 | app.gid, | |
352 | app.v_major, | |
353 | app.v_minor, | |
354 | lttng::utils::time_to_iso8601_str(app.registration_time)); | |
d7bfb9b0 JG |
355 | } |
356 | }; | |
e2c2bec2 | 357 | } /* namespace fmt */ |
d7bfb9b0 | 358 | |
74d0b642 | 359 | #ifdef HAVE_LIBLTTNG_UST_CTL |
3bd1e081 | 360 | |
56fff090 | 361 | int ust_app_register(struct ust_register_msg *msg, int sock); |
fb45065e | 362 | int ust_app_register_done(struct ust_app *app); |
d0b96690 | 363 | int ust_app_version(struct ust_app *app); |
56fff090 | 364 | void ust_app_unregister(int sock); |
421cb601 | 365 | int ust_app_start_trace_all(struct ltt_ust_session *usess); |
8be98f9a | 366 | int ust_app_stop_trace_all(struct ltt_ust_session *usess); |
84cd17c6 | 367 | int ust_app_destroy_trace_all(struct ltt_ust_session *usess); |
b551a063 | 368 | int ust_app_list_events(struct lttng_event **events); |
f37d259d | 369 | int ust_app_list_event_fields(struct lttng_event_field **fields); |
35a9059d | 370 | int ust_app_create_event_glb(struct ltt_ust_session *usess, |
28f23191 JG |
371 | struct ltt_ust_channel *uchan, |
372 | struct ltt_ust_event *uevent); | |
373 | int ust_app_disable_channel_glb(struct ltt_ust_session *usess, struct ltt_ust_channel *uchan); | |
374 | int ust_app_enable_channel_glb(struct ltt_ust_session *usess, struct ltt_ust_channel *uchan); | |
35a9059d | 375 | int ust_app_enable_event_glb(struct ltt_ust_session *usess, |
28f23191 JG |
376 | struct ltt_ust_channel *uchan, |
377 | struct ltt_ust_event *uevent); | |
35a9059d | 378 | int ust_app_disable_event_glb(struct ltt_ust_session *usess, |
28f23191 JG |
379 | struct ltt_ust_channel *uchan, |
380 | struct ltt_ust_event *uevent); | |
55cc08a6 | 381 | int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess, |
28f23191 JG |
382 | struct ltt_ust_channel *uchan, |
383 | struct ltt_ust_context *uctx); | |
a9ad0c8f MD |
384 | void ust_app_global_update(struct ltt_ust_session *usess, struct ust_app *app); |
385 | void ust_app_global_update_all(struct ltt_ust_session *usess); | |
993578ff | 386 | void ust_app_global_update_event_notifier_rules(struct ust_app *app); |
cd9adb8b | 387 | void ust_app_global_update_all_event_notifier_rules(); |
91d76f53 | 388 | |
cd9adb8b JG |
389 | void ust_app_clean_list(); |
390 | int ust_app_ht_alloc(); | |
f6a9efaa | 391 | struct ust_app *ust_app_find_by_pid(pid_t pid); |
cd9adb8b | 392 | struct ust_app_stream *ust_app_alloc_stream(); |
d0b96690 DG |
393 | int ust_app_recv_registration(int sock, struct ust_register_msg *msg); |
394 | int ust_app_recv_notify(int sock); | |
395 | void ust_app_add(struct ust_app *app); | |
396 | struct ust_app *ust_app_create(struct ust_register_msg *msg, int sock); | |
d88aee68 | 397 | void ust_app_notify_sock_unregister(int sock); |
b0f2e8db | 398 | ssize_t ust_app_push_metadata(const lttng::sessiond::ust::registry_session::locked_ptr& registry, |
28f23191 JG |
399 | struct consumer_socket *socket, |
400 | int send_zero_data); | |
f45e313d | 401 | void ust_app_destroy(struct ust_app *app); |
28f23191 JG |
402 | enum lttng_error_code ust_app_snapshot_record(const struct ltt_ust_session *usess, |
403 | const struct consumer_output *output, | |
404 | uint64_t nb_packets_per_stream); | |
405 | uint64_t ust_app_get_size_one_more_packet_per_stream(const struct ltt_ust_session *usess, | |
406 | uint64_t cur_nr_packets); | |
f20baf8e | 407 | struct ust_app *ust_app_find_by_sock(int sock); |
fb83fe64 | 408 | int ust_app_uid_get_channel_runtime_stats(uint64_t ust_session_id, |
28f23191 JG |
409 | struct cds_list_head *buffer_reg_uid_list, |
410 | struct consumer_output *consumer, | |
411 | uint64_t uchan_id, | |
412 | int overwrite, | |
413 | uint64_t *discarded, | |
414 | uint64_t *lost); | |
fb83fe64 | 415 | int ust_app_pid_get_channel_runtime_stats(struct ltt_ust_session *usess, |
28f23191 JG |
416 | struct ltt_ust_channel *uchan, |
417 | struct consumer_output *consumer, | |
418 | int overwrite, | |
419 | uint64_t *discarded, | |
420 | uint64_t *lost); | |
c2561365 | 421 | int ust_app_regenerate_statedump_all(struct ltt_ust_session *usess); |
6f6d3b69 | 422 | enum lttng_error_code ust_app_rotate_session(struct ltt_session *session); |
28f23191 JG |
423 | enum lttng_error_code ust_app_create_channel_subdirectories(const struct ltt_ust_session *session); |
424 | int ust_app_release_object(struct ust_app *app, struct lttng_ust_abi_object_data *data); | |
4a9b9759 | 425 | enum lttng_error_code ust_app_clear_session(struct ltt_session *session); |
04ed9e10 | 426 | enum lttng_error_code ust_app_open_packets(struct ltt_session *session); |
44d3bd01 | 427 | |
da873412 JR |
428 | int ust_app_setup_event_notifier_group(struct ust_app *app); |
429 | ||
28f23191 | 430 | static inline int ust_app_supported() |
b51ec5b4 MD |
431 | { |
432 | return 1; | |
433 | } | |
434 | ||
783db316 MD |
435 | bool ust_app_supports_notifiers(const struct ust_app *app); |
436 | bool ust_app_supports_counters(const struct ust_app *app); | |
437 | ||
74d0b642 | 438 | #else /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 | 439 | |
28f23191 | 440 | static inline int ust_app_destroy_trace_all(struct ltt_ust_session *usess __attribute__((unused))) |
cc920def DG |
441 | { |
442 | return 0; | |
443 | } | |
f46376a1 | 444 | |
28f23191 JG |
445 | static inline int ust_app_start_trace(struct ltt_ust_session *usess __attribute__((unused)), |
446 | struct ust_app *app __attribute__((unused))) | |
421cb601 DG |
447 | { |
448 | return 0; | |
449 | } | |
f46376a1 | 450 | |
28f23191 | 451 | static inline int ust_app_start_trace_all(struct ltt_ust_session *usess __attribute__((unused))) |
d974f197 | 452 | { |
5cf5d0e7 | 453 | return 0; |
d974f197 | 454 | } |
f46376a1 | 455 | |
28f23191 | 456 | static inline int ust_app_stop_trace_all(struct ltt_ust_session *usess __attribute__((unused))) |
cc920def DG |
457 | { |
458 | return 0; | |
459 | } | |
f46376a1 | 460 | |
28f23191 | 461 | static inline int ust_app_list_events(struct lttng_event **events __attribute__((unused))) |
b551a063 | 462 | { |
db7c0497 | 463 | return -ENOSYS; |
b551a063 | 464 | } |
f46376a1 | 465 | |
28f23191 JG |
466 | static inline int ust_app_list_event_fields(struct lttng_event_field **fields |
467 | __attribute__((unused))) | |
da0bdb87 MD |
468 | { |
469 | return -ENOSYS; | |
470 | } | |
f46376a1 | 471 | |
28f23191 JG |
472 | static inline int ust_app_register(struct ust_register_msg *msg __attribute__((unused)), |
473 | int sock __attribute__((unused))) | |
3bd1e081 MD |
474 | { |
475 | return -ENOSYS; | |
476 | } | |
f46376a1 | 477 | |
28f23191 | 478 | static inline int ust_app_register_done(struct ust_app *app __attribute__((unused))) |
f2ca2e25 GF |
479 | { |
480 | return -ENOSYS; | |
481 | } | |
f46376a1 | 482 | |
28f23191 | 483 | static inline int ust_app_version(struct ust_app *app __attribute__((unused))) |
d0b96690 DG |
484 | { |
485 | return -ENOSYS; | |
486 | } | |
f46376a1 | 487 | |
28f23191 | 488 | static inline void ust_app_unregister(int sock __attribute__((unused))) |
3bd1e081 MD |
489 | { |
490 | } | |
f46376a1 | 491 | |
28f23191 | 492 | static inline void ust_app_clean_list(void) |
3bd1e081 MD |
493 | { |
494 | } | |
f46376a1 | 495 | |
28f23191 | 496 | static inline struct ust_app_list *ust_app_get_list(void) |
3bd1e081 MD |
497 | { |
498 | return NULL; | |
499 | } | |
f46376a1 | 500 | |
28f23191 | 501 | static inline struct ust_app *ust_app_get_by_pid(pid_t pid __attribute__((unused))) |
3bd1e081 MD |
502 | { |
503 | return NULL; | |
504 | } | |
f46376a1 | 505 | |
28f23191 | 506 | static inline int ust_app_ht_alloc(void) |
12a84043 JG |
507 | { |
508 | return 0; | |
509 | } | |
f46376a1 | 510 | |
28f23191 JG |
511 | static inline void ust_app_global_update(struct ltt_ust_session *usess __attribute__((unused)), |
512 | struct ust_app *app __attribute__((unused))) | |
513 | { | |
514 | } | |
f46376a1 | 515 | |
28f23191 JG |
516 | static inline void ust_app_global_update_event_notifier_rules(struct ust_app *app |
517 | __attribute__((unused))) | |
518 | { | |
519 | } | |
f46376a1 | 520 | |
28f23191 JG |
521 | static inline void ust_app_global_update_all_event_notifier_rules(void) |
522 | { | |
523 | } | |
f46376a1 | 524 | |
28f23191 | 525 | static inline int ust_app_setup_event_notifier_group(struct ust_app *app __attribute__((unused))) |
da873412 JR |
526 | { |
527 | return 0; | |
528 | } | |
f46376a1 | 529 | |
28f23191 JG |
530 | static inline int ust_app_disable_channel_glb(struct ltt_ust_session *usess __attribute__((unused)), |
531 | struct ltt_ust_channel *uchan __attribute__((unused))) | |
d974f197 | 532 | { |
cc920def | 533 | return 0; |
d974f197 | 534 | } |
f46376a1 | 535 | |
28f23191 JG |
536 | static inline int ust_app_enable_channel_glb(struct ltt_ust_session *usess __attribute__((unused)), |
537 | struct ltt_ust_channel *uchan __attribute__((unused))) | |
487cf67c | 538 | { |
cc920def DG |
539 | return 0; |
540 | } | |
f46376a1 | 541 | |
28f23191 JG |
542 | static inline int ust_app_create_event_glb(struct ltt_ust_session *usess __attribute__((unused)), |
543 | struct ltt_ust_channel *uchan __attribute__((unused)), | |
544 | struct ltt_ust_event *uevent __attribute__((unused))) | |
35a9059d DG |
545 | { |
546 | return 0; | |
547 | } | |
f46376a1 | 548 | |
28f23191 JG |
549 | static inline int ust_app_disable_event_glb(struct ltt_ust_session *usess __attribute__((unused)), |
550 | struct ltt_ust_channel *uchan __attribute__((unused)), | |
551 | struct ltt_ust_event *uevent __attribute__((unused))) | |
cc920def DG |
552 | { |
553 | return 0; | |
487cf67c | 554 | } |
f46376a1 | 555 | |
28f23191 JG |
556 | static inline int ust_app_enable_event_glb(struct ltt_ust_session *usess __attribute__((unused)), |
557 | struct ltt_ust_channel *uchan __attribute__((unused)), | |
558 | struct ltt_ust_event *uevent __attribute__((unused))) | |
edb67388 DG |
559 | { |
560 | return 0; | |
561 | } | |
f46376a1 | 562 | |
28f23191 JG |
563 | static inline int ust_app_add_ctx_channel_glb(struct ltt_ust_session *usess __attribute__((unused)), |
564 | struct ltt_ust_channel *uchan __attribute__((unused)), | |
565 | struct ltt_ust_context *uctx __attribute__((unused))) | |
55cc08a6 DG |
566 | { |
567 | return 0; | |
568 | } | |
f46376a1 | 569 | |
28f23191 JG |
570 | static inline int ust_app_enable_event_pid(struct ltt_ust_session *usess __attribute__((unused)), |
571 | struct ltt_ust_channel *uchan __attribute__((unused)), | |
572 | struct ltt_ust_event *uevent __attribute__((unused)), | |
573 | pid_t pid __attribute__((unused))) | |
76d45b40 DG |
574 | { |
575 | return 0; | |
576 | } | |
f46376a1 | 577 | |
28f23191 JG |
578 | static inline int ust_app_recv_registration(int sock __attribute__((unused)), |
579 | struct ust_register_msg *msg __attribute__((unused))) | |
d0b96690 DG |
580 | { |
581 | return 0; | |
582 | } | |
f46376a1 | 583 | |
28f23191 | 584 | static inline int ust_app_recv_notify(int sock __attribute__((unused))) |
4466912f DG |
585 | { |
586 | return 0; | |
587 | } | |
f46376a1 | 588 | |
28f23191 JG |
589 | static inline struct ust_app *ust_app_create(struct ust_register_msg *msg __attribute__((unused)), |
590 | int sock __attribute__((unused))) | |
d0b96690 DG |
591 | { |
592 | return NULL; | |
593 | } | |
f46376a1 | 594 | |
28f23191 | 595 | static inline void ust_app_add(struct ust_app *app __attribute__((unused))) |
d0b96690 DG |
596 | { |
597 | } | |
f46376a1 | 598 | |
28f23191 | 599 | static inline void ust_app_notify_sock_unregister(int sock __attribute__((unused))) |
d88aee68 DG |
600 | { |
601 | } | |
f46376a1 | 602 | |
28f23191 JG |
603 | static inline ssize_t ust_app_push_metadata(lttng::sessiond::ust::registry_session *registry |
604 | __attribute__((unused)), | |
605 | struct consumer_socket *socket __attribute__((unused)), | |
606 | int send_zero_data __attribute__((unused))) | |
331744e3 JD |
607 | { |
608 | return 0; | |
609 | } | |
f46376a1 | 610 | |
28f23191 | 611 | static inline void ust_app_destroy(struct ust_app *app __attribute__((unused))) |
f45e313d DG |
612 | { |
613 | return; | |
614 | } | |
f46376a1 | 615 | |
28f23191 JG |
616 | static inline enum lttng_error_code |
617 | ust_app_snapshot_record(struct ltt_ust_session *usess __attribute__((unused)), | |
618 | const struct consumer_output *output __attribute__((unused)), | |
619 | uint64_t max_stream_size __attribute__((unused))) | |
5c786ded | 620 | { |
7966af57 | 621 | return LTTNG_ERR_UNK; |
5c786ded | 622 | } |
f46376a1 | 623 | |
28f23191 JG |
624 | static inline unsigned int ust_app_get_nb_stream(struct ltt_ust_session *usess |
625 | __attribute__((unused))) | |
6dc3064a DG |
626 | { |
627 | return 0; | |
628 | } | |
f46376a1 | 629 | |
28f23191 JG |
630 | static inline void ust_app_update_event_notifier_error_count(struct lttng_trigger *lttng_trigger |
631 | __attribute__((unused))) | |
533a90fb FD |
632 | { |
633 | return; | |
634 | } | |
f46376a1 | 635 | |
28f23191 | 636 | static inline int ust_app_supported(void) |
b51ec5b4 MD |
637 | { |
638 | return 0; | |
639 | } | |
f46376a1 | 640 | |
28f23191 | 641 | static inline bool ust_app_supports_notifiers(const struct ust_app *app __attribute__((unused))) |
783db316 MD |
642 | { |
643 | return false; | |
644 | } | |
f46376a1 | 645 | |
28f23191 | 646 | static inline bool ust_app_supports_counters(const struct ust_app *app __attribute__((unused))) |
783db316 MD |
647 | { |
648 | return false; | |
649 | } | |
f46376a1 | 650 | |
28f23191 | 651 | static inline struct ust_app *ust_app_find_by_sock(int sock __attribute__((unused))) |
f20baf8e DG |
652 | { |
653 | return NULL; | |
654 | } | |
f46376a1 | 655 | |
28f23191 | 656 | static inline struct ust_app *ust_app_find_by_pid(pid_t pid __attribute__((unused))) |
95b1d17c DG |
657 | { |
658 | return NULL; | |
659 | } | |
f46376a1 | 660 | |
28f23191 JG |
661 | static inline uint64_t |
662 | ust_app_get_size_one_more_packet_per_stream(const struct ltt_ust_session *usess | |
663 | __attribute__((unused)), | |
664 | uint64_t cur_nr_packets __attribute__((unused))) | |
665 | { | |
16f35901 JG |
666 | return 0; |
667 | } | |
f46376a1 | 668 | |
28f23191 JG |
669 | static inline int ust_app_uid_get_channel_runtime_stats(uint64_t ust_session_id |
670 | __attribute__((unused)), | |
671 | struct cds_list_head *buffer_reg_uid_list | |
672 | __attribute__((unused)), | |
673 | struct consumer_output *consumer | |
674 | __attribute__((unused)), | |
675 | int overwrite __attribute__((unused)), | |
676 | uint64_t uchan_id __attribute__((unused)), | |
677 | uint64_t *discarded __attribute__((unused)), | |
678 | uint64_t *lost __attribute__((unused))) | |
fb83fe64 JD |
679 | { |
680 | return 0; | |
681 | } | |
682 | ||
28f23191 JG |
683 | static inline int |
684 | ust_app_pid_get_channel_runtime_stats(struct ltt_ust_session *usess __attribute__((unused)), | |
685 | struct ltt_ust_channel *uchan __attribute__((unused)), | |
686 | struct consumer_output *consumer __attribute__((unused)), | |
687 | int overwrite __attribute__((unused)), | |
688 | uint64_t *discarded __attribute__((unused)), | |
689 | uint64_t *lost __attribute__((unused))) | |
fb83fe64 JD |
690 | { |
691 | return 0; | |
692 | } | |
b51ec5b4 | 693 | |
28f23191 JG |
694 | static inline int ust_app_regenerate_statedump_all(struct ltt_ust_session *usess |
695 | __attribute__((unused))) | |
6f698634 JG |
696 | { |
697 | return 0; | |
698 | } | |
699 | ||
28f23191 JG |
700 | static inline enum lttng_error_code ust_app_rotate_session(struct ltt_session *session |
701 | __attribute__((unused))) | |
5c408ad8 | 702 | { |
7966af57 | 703 | return LTTNG_ERR_UNK; |
5c408ad8 JD |
704 | } |
705 | ||
28f23191 JG |
706 | static inline enum lttng_error_code |
707 | ust_app_create_channel_subdirectories(const struct ltt_ust_session *session __attribute__((unused))) | |
d2956687 | 708 | { |
7966af57 | 709 | return LTTNG_ERR_UNK; |
d2956687 JG |
710 | } |
711 | ||
28f23191 JG |
712 | static inline int ust_app_release_object(struct ust_app *app __attribute__((unused)), |
713 | struct lttng_ust_abi_object_data *data | |
714 | __attribute__((unused))) | |
75018ab6 JG |
715 | { |
716 | return 0; | |
717 | } | |
718 | ||
28f23191 JG |
719 | static inline enum lttng_error_code ust_app_clear_session(struct ltt_session *session |
720 | __attribute__((unused))) | |
4a9b9759 | 721 | { |
7966af57 | 722 | return LTTNG_ERR_UNK; |
4a9b9759 MD |
723 | } |
724 | ||
28f23191 JG |
725 | static inline enum lttng_error_code ust_app_open_packets(struct ltt_session *session |
726 | __attribute__((unused))) | |
04ed9e10 | 727 | { |
7966af57 | 728 | return LTTNG_ERR_UNK; |
04ed9e10 JG |
729 | } |
730 | ||
74d0b642 | 731 | #endif /* HAVE_LIBLTTNG_UST_CTL */ |
3bd1e081 | 732 | |
f6a9efaa | 733 | #endif /* _LTT_UST_APP_H */ |