Commit | Line | Data |
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1c324e59 | 1 | /* |
e92f3e28 | 2 | * Copyright (c) 2011-2012 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
1c324e59 | 3 | * |
e92f3e28 MD |
4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
5 | * of this software and associated documentation files (the "Software"), to deal | |
6 | * in the Software without restriction, including without limitation the rights | |
7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
8 | * copies of the Software, and to permit persons to whom the Software is | |
9 | * furnished to do so, subject to the following conditions: | |
1c324e59 | 10 | * |
e92f3e28 MD |
11 | * The above copyright notice and this permission notice shall be included in |
12 | * all copies or substantial portions of the Software. | |
d2428e87 MD |
13 | * |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
20 | * SOFTWARE. | |
1c324e59 MD |
21 | */ |
22 | ||
23 | #include <stdio.h> | |
7d381d6e | 24 | #include <stdlib.h> |
1c324e59 | 25 | #include <urcu/compiler.h> |
f488575f | 26 | #include <urcu/rculist.h> |
1c324e59 | 27 | #include <lttng/ust-events.h> |
1c324e59 | 28 | #include <lttng/ringbuffer-config.h> |
a8909ba5 | 29 | #include <lttng/ust-compiler.h> |
000b8662 | 30 | #include <lttng/tracepoint.h> |
714c16c4 | 31 | #include <byteswap.h> |
44c72f10 | 32 | #include <string.h> |
1c324e59 | 33 | |
000b8662 MD |
34 | #undef tp_list_for_each_entry_rcu |
35 | #define tp_list_for_each_entry_rcu(pos, head, member) \ | |
36 | for (pos = cds_list_entry(tp_rcu_dereference_bp((head)->next), __typeof__(*pos), member); \ | |
37 | &pos->member != (head); \ | |
38 | pos = cds_list_entry(tp_rcu_dereference_bp(pos->member.next), __typeof__(*pos), member)) | |
39 | ||
1c324e59 MD |
40 | /* |
41 | * TRACEPOINT_EVENT_CLASS declares a class of tracepoints receiving the | |
42 | * same arguments and having the same field layout. | |
43 | * | |
44 | * TRACEPOINT_EVENT_INSTANCE declares an instance of a tracepoint, with | |
45 | * its own provider and name. It refers to a class (template). | |
46 | * | |
47 | * TRACEPOINT_EVENT declared both a class and an instance and does a | |
48 | * direct mapping from the instance to the class. | |
49 | */ | |
50 | ||
51 | #undef TRACEPOINT_EVENT | |
52 | #define TRACEPOINT_EVENT(_provider, _name, _args, _fields) \ | |
53 | TRACEPOINT_EVENT_CLASS(_provider, _name, \ | |
54 | _TP_PARAMS(_args), \ | |
55 | _TP_PARAMS(_fields)) \ | |
56 | TRACEPOINT_EVENT_INSTANCE(_provider, _name, _name, \ | |
68755429 | 57 | _TP_PARAMS(_args)) |
1c324e59 MD |
58 | |
59 | /* Helpers */ | |
60 | #define _TP_ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) | |
61 | ||
62 | #define _tp_max_t(type, x, y) \ | |
63 | ({ \ | |
64 | type __max1 = (x); \ | |
65 | type __max2 = (y); \ | |
66 | __max1 > __max2 ? __max1: __max2; \ | |
67 | }) | |
68 | ||
69 | /* | |
70 | * Stage 0 of tracepoint event generation. | |
71 | * | |
72 | * Check that each TRACEPOINT_EVENT provider argument match the | |
73 | * TRACEPOINT_PROVIDER by creating dummy callbacks. | |
74 | */ | |
75 | ||
76 | /* Reset all macros within TRACEPOINT_EVENT */ | |
77 | #include <lttng/ust-tracepoint-event-reset.h> | |
78 | ||
7ce6b21d PW |
79 | static inline lttng_ust_notrace |
80 | void _TP_COMBINE_TOKENS(__tracepoint_provider_mismatch_, TRACEPOINT_PROVIDER)(void); | |
1c324e59 MD |
81 | static inline |
82 | void _TP_COMBINE_TOKENS(__tracepoint_provider_mismatch_, TRACEPOINT_PROVIDER)(void) | |
83 | { | |
84 | } | |
85 | ||
86 | #undef TRACEPOINT_EVENT_CLASS | |
87 | #define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ | |
88 | __tracepoint_provider_mismatch_##_provider(); | |
89 | ||
90 | #undef TRACEPOINT_EVENT_INSTANCE | |
91 | #define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \ | |
92 | __tracepoint_provider_mismatch_##_provider(); | |
93 | ||
7ce6b21d PW |
94 | static inline lttng_ust_notrace |
95 | void _TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)(void); | |
e8bd1da7 | 96 | static inline |
1c324e59 MD |
97 | void _TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)(void) |
98 | { | |
99 | #include TRACEPOINT_INCLUDE | |
100 | } | |
101 | ||
f56cd1d5 MD |
102 | /* |
103 | * Stage 0.1 of tracepoint event generation. | |
104 | * | |
105 | * Check that each TRACEPOINT_EVENT provider:name does not exceed the | |
106 | * tracepoint name length limit. | |
107 | */ | |
108 | ||
109 | /* Reset all macros within TRACEPOINT_EVENT */ | |
110 | #include <lttng/ust-tracepoint-event-reset.h> | |
111 | ||
112 | #undef TRACEPOINT_EVENT_INSTANCE | |
113 | #define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \ | |
114 | static const char \ | |
115 | __tp_name_len_check##_provider##___##_name[LTTNG_UST_SYM_NAME_LEN] \ | |
116 | __attribute__((unused)) = \ | |
117 | #_provider ":" #_name; | |
118 | ||
119 | #include TRACEPOINT_INCLUDE | |
120 | ||
1c324e59 MD |
121 | /* |
122 | * Stage 1 of tracepoint event generation. | |
123 | * | |
124 | * Create event field type metadata section. | |
125 | * Each event produce an array of fields. | |
126 | */ | |
127 | ||
128 | /* Reset all macros within TRACEPOINT_EVENT */ | |
129 | #include <lttng/ust-tracepoint-event-reset.h> | |
4774c8f3 MD |
130 | #include <lttng/ust-tracepoint-event-write.h> |
131 | #include <lttng/ust-tracepoint-event-nowrite.h> | |
1c324e59 | 132 | |
4774c8f3 | 133 | #undef _ctf_integer_ext |
180901e6 | 134 | #define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \ |
1c324e59 MD |
135 | { \ |
136 | .name = #_item, \ | |
137 | .type = __type_integer(_type, _byte_order, _base, none),\ | |
180901e6 | 138 | .nowrite = _nowrite, \ |
1c324e59 MD |
139 | }, |
140 | ||
4774c8f3 | 141 | #undef _ctf_float |
180901e6 | 142 | #define _ctf_float(_type, _item, _src, _nowrite) \ |
1c324e59 MD |
143 | { \ |
144 | .name = #_item, \ | |
145 | .type = __type_float(_type), \ | |
180901e6 | 146 | .nowrite = _nowrite, \ |
1c324e59 MD |
147 | }, |
148 | ||
4774c8f3 | 149 | #undef _ctf_array_encoded |
180901e6 | 150 | #define _ctf_array_encoded(_type, _item, _src, _length, _encoding, _nowrite) \ |
1c324e59 MD |
151 | { \ |
152 | .name = #_item, \ | |
153 | .type = \ | |
154 | { \ | |
155 | .atype = atype_array, \ | |
46d52200 | 156 | .u = \ |
1c324e59 | 157 | { \ |
46d52200 ZT |
158 | .array = \ |
159 | { \ | |
160 | .elem_type = __type_integer(_type, BYTE_ORDER, 10, _encoding), \ | |
161 | .length = _length, \ | |
162 | } \ | |
163 | } \ | |
1c324e59 | 164 | }, \ |
180901e6 | 165 | .nowrite = _nowrite, \ |
1c324e59 MD |
166 | }, |
167 | ||
4774c8f3 | 168 | #undef _ctf_sequence_encoded |
f968510a PP |
169 | #define _ctf_sequence_encoded(_type, _item, _src, \ |
170 | _length_type, _src_length, _encoding, _nowrite, \ | |
171 | _elem_type_base) \ | |
1c324e59 MD |
172 | { \ |
173 | .name = #_item, \ | |
174 | .type = \ | |
175 | { \ | |
176 | .atype = atype_sequence, \ | |
46d52200 | 177 | .u = \ |
1c324e59 | 178 | { \ |
46d52200 ZT |
179 | .sequence = \ |
180 | { \ | |
181 | .length_type = __type_integer(_length_type, BYTE_ORDER, 10, none), \ | |
f968510a | 182 | .elem_type = __type_integer(_type, BYTE_ORDER, _elem_type_base, _encoding), \ |
46d52200 | 183 | }, \ |
1c324e59 MD |
184 | }, \ |
185 | }, \ | |
180901e6 | 186 | .nowrite = _nowrite, \ |
1c324e59 MD |
187 | }, |
188 | ||
4774c8f3 | 189 | #undef _ctf_string |
180901e6 | 190 | #define _ctf_string(_item, _src, _nowrite) \ |
1c324e59 MD |
191 | { \ |
192 | .name = #_item, \ | |
193 | .type = \ | |
194 | { \ | |
195 | .atype = atype_string, \ | |
46d52200 ZT |
196 | .u = \ |
197 | { \ | |
198 | .basic = { .string = { .encoding = lttng_encode_UTF8 } } \ | |
199 | }, \ | |
1c324e59 | 200 | }, \ |
180901e6 | 201 | .nowrite = _nowrite, \ |
1c324e59 MD |
202 | }, |
203 | ||
204 | #undef TP_FIELDS | |
2eda209b | 205 | #define TP_FIELDS(...) __VA_ARGS__ /* Only one used in this phase */ |
1c324e59 MD |
206 | |
207 | #undef TRACEPOINT_EVENT_CLASS | |
208 | #define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ | |
209 | static const struct lttng_event_field __event_fields___##_provider##___##_name[] = { \ | |
210 | _fields \ | |
211 | }; | |
212 | ||
213 | #include TRACEPOINT_INCLUDE | |
214 | ||
215 | /* | |
216 | * Stage 2 of tracepoint event generation. | |
217 | * | |
218 | * Create probe callback prototypes. | |
219 | */ | |
220 | ||
221 | /* Reset all macros within TRACEPOINT_EVENT */ | |
222 | #include <lttng/ust-tracepoint-event-reset.h> | |
223 | ||
224 | #undef TP_ARGS | |
2eda209b | 225 | #define TP_ARGS(...) __VA_ARGS__ |
1c324e59 MD |
226 | |
227 | #undef TRACEPOINT_EVENT_CLASS | |
228 | #define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ | |
229 | static void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)); | |
230 | ||
231 | #include TRACEPOINT_INCLUDE | |
232 | ||
233 | /* | |
234 | * Stage 3 of tracepoint event generation. | |
235 | * | |
1c324e59 MD |
236 | * Create static inline function that calculates event size. |
237 | */ | |
238 | ||
239 | /* Reset all macros within TRACEPOINT_EVENT */ | |
240 | #include <lttng/ust-tracepoint-event-reset.h> | |
4774c8f3 | 241 | #include <lttng/ust-tracepoint-event-write.h> |
1c324e59 | 242 | |
4774c8f3 | 243 | #undef _ctf_integer_ext |
180901e6 | 244 | #define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \ |
1c324e59 MD |
245 | __event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_type)); \ |
246 | __event_len += sizeof(_type); | |
247 | ||
4774c8f3 | 248 | #undef _ctf_float |
180901e6 | 249 | #define _ctf_float(_type, _item, _src, _nowrite) \ |
1c324e59 MD |
250 | __event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_type)); \ |
251 | __event_len += sizeof(_type); | |
252 | ||
4774c8f3 | 253 | #undef _ctf_array_encoded |
180901e6 | 254 | #define _ctf_array_encoded(_type, _item, _src, _length, _encoding, _nowrite) \ |
1c324e59 MD |
255 | __event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_type)); \ |
256 | __event_len += sizeof(_type) * (_length); | |
257 | ||
4774c8f3 | 258 | #undef _ctf_sequence_encoded |
f968510a PP |
259 | #define _ctf_sequence_encoded(_type, _item, _src, _length_type, \ |
260 | _src_length, _encoding, _nowrite, _elem_type_base) \ | |
1c324e59 MD |
261 | __event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_length_type)); \ |
262 | __event_len += sizeof(_length_type); \ | |
263 | __event_len += lib_ring_buffer_align(__event_len, lttng_alignof(_type)); \ | |
264 | __dynamic_len[__dynamic_len_idx] = (_src_length); \ | |
265 | __event_len += sizeof(_type) * __dynamic_len[__dynamic_len_idx]; \ | |
266 | __dynamic_len_idx++; | |
267 | ||
4774c8f3 | 268 | #undef _ctf_string |
180901e6 | 269 | #define _ctf_string(_item, _src, _nowrite) \ |
1c324e59 MD |
270 | __event_len += __dynamic_len[__dynamic_len_idx++] = strlen(_src) + 1; |
271 | ||
272 | #undef TP_ARGS | |
2eda209b | 273 | #define TP_ARGS(...) __VA_ARGS__ |
1c324e59 MD |
274 | |
275 | #undef TP_FIELDS | |
2eda209b | 276 | #define TP_FIELDS(...) __VA_ARGS__ |
1c324e59 MD |
277 | |
278 | #undef TRACEPOINT_EVENT_CLASS | |
a8909ba5 PW |
279 | #define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ |
280 | static inline lttng_ust_notrace \ | |
281 | size_t __event_get_size__##_provider##___##_name(size_t *__dynamic_len, _TP_ARGS_DATA_PROTO(_args)); \ | |
282 | static inline \ | |
283 | size_t __event_get_size__##_provider##___##_name(size_t *__dynamic_len, _TP_ARGS_DATA_PROTO(_args)) \ | |
1c324e59 MD |
284 | { \ |
285 | size_t __event_len = 0; \ | |
286 | unsigned int __dynamic_len_idx = 0; \ | |
287 | \ | |
288 | if (0) \ | |
289 | (void) __dynamic_len_idx; /* don't warn if unused */ \ | |
290 | _fields \ | |
291 | return __event_len; \ | |
292 | } | |
293 | ||
294 | #include TRACEPOINT_INCLUDE | |
295 | ||
1ddfd641 MD |
296 | /* |
297 | * Stage 3.1 of tracepoint event generation. | |
298 | * | |
299 | * Create static inline function that layout the filter stack data. | |
4774c8f3 | 300 | * We make both write and nowrite data available to the filter. |
1ddfd641 MD |
301 | */ |
302 | ||
303 | /* Reset all macros within TRACEPOINT_EVENT */ | |
304 | #include <lttng/ust-tracepoint-event-reset.h> | |
4774c8f3 MD |
305 | #include <lttng/ust-tracepoint-event-write.h> |
306 | #include <lttng/ust-tracepoint-event-nowrite.h> | |
1ddfd641 | 307 | |
4774c8f3 | 308 | #undef _ctf_integer_ext |
180901e6 | 309 | #define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \ |
fa099471 | 310 | if (lttng_is_signed_type(_type)) { \ |
3ebeea0d MD |
311 | int64_t __ctf_tmp_int64; \ |
312 | switch (sizeof(_type)) { \ | |
313 | case 1: \ | |
314 | { \ | |
315 | union { _type t; int8_t v; } __tmp = { (_type) (_src) }; \ | |
316 | __ctf_tmp_int64 = (int64_t) __tmp.v; \ | |
317 | break; \ | |
318 | } \ | |
319 | case 2: \ | |
320 | { \ | |
321 | union { _type t; int16_t v; } __tmp = { (_type) (_src) }; \ | |
714c16c4 MD |
322 | if (_byte_order != BYTE_ORDER) \ |
323 | __tmp.v = bswap_16(__tmp.v); \ | |
3ebeea0d MD |
324 | __ctf_tmp_int64 = (int64_t) __tmp.v; \ |
325 | break; \ | |
326 | } \ | |
327 | case 4: \ | |
328 | { \ | |
329 | union { _type t; int32_t v; } __tmp = { (_type) (_src) }; \ | |
714c16c4 MD |
330 | if (_byte_order != BYTE_ORDER) \ |
331 | __tmp.v = bswap_32(__tmp.v); \ | |
3ebeea0d MD |
332 | __ctf_tmp_int64 = (int64_t) __tmp.v; \ |
333 | break; \ | |
334 | } \ | |
335 | case 8: \ | |
336 | { \ | |
337 | union { _type t; int64_t v; } __tmp = { (_type) (_src) }; \ | |
714c16c4 MD |
338 | if (_byte_order != BYTE_ORDER) \ |
339 | __tmp.v = bswap_64(__tmp.v); \ | |
3ebeea0d MD |
340 | __ctf_tmp_int64 = (int64_t) __tmp.v; \ |
341 | break; \ | |
342 | } \ | |
343 | default: \ | |
344 | abort(); \ | |
345 | }; \ | |
fa099471 MD |
346 | memcpy(__stack_data, &__ctf_tmp_int64, sizeof(int64_t)); \ |
347 | } else { \ | |
3ebeea0d MD |
348 | uint64_t __ctf_tmp_uint64; \ |
349 | switch (sizeof(_type)) { \ | |
350 | case 1: \ | |
351 | { \ | |
352 | union { _type t; uint8_t v; } __tmp = { (_type) (_src) }; \ | |
353 | __ctf_tmp_uint64 = (uint64_t) __tmp.v; \ | |
354 | break; \ | |
355 | } \ | |
356 | case 2: \ | |
357 | { \ | |
358 | union { _type t; uint16_t v; } __tmp = { (_type) (_src) }; \ | |
714c16c4 MD |
359 | if (_byte_order != BYTE_ORDER) \ |
360 | __tmp.v = bswap_16(__tmp.v); \ | |
3ebeea0d MD |
361 | __ctf_tmp_uint64 = (uint64_t) __tmp.v; \ |
362 | break; \ | |
363 | } \ | |
364 | case 4: \ | |
365 | { \ | |
366 | union { _type t; uint32_t v; } __tmp = { (_type) (_src) }; \ | |
714c16c4 MD |
367 | if (_byte_order != BYTE_ORDER) \ |
368 | __tmp.v = bswap_32(__tmp.v); \ | |
3ebeea0d MD |
369 | __ctf_tmp_uint64 = (uint64_t) __tmp.v; \ |
370 | break; \ | |
371 | } \ | |
372 | case 8: \ | |
373 | { \ | |
374 | union { _type t; uint64_t v; } __tmp = { (_type) (_src) }; \ | |
714c16c4 MD |
375 | if (_byte_order != BYTE_ORDER) \ |
376 | __tmp.v = bswap_64(__tmp.v); \ | |
3ebeea0d MD |
377 | __ctf_tmp_uint64 = (uint64_t) __tmp.v; \ |
378 | break; \ | |
379 | } \ | |
380 | default: \ | |
381 | abort(); \ | |
382 | }; \ | |
fa099471 MD |
383 | memcpy(__stack_data, &__ctf_tmp_uint64, sizeof(uint64_t)); \ |
384 | } \ | |
1ddfd641 MD |
385 | __stack_data += sizeof(int64_t); |
386 | ||
4774c8f3 | 387 | #undef _ctf_float |
180901e6 | 388 | #define _ctf_float(_type, _item, _src, _nowrite) \ |
fa099471 MD |
389 | { \ |
390 | double __ctf_tmp_double = (double) (_type) (_src); \ | |
391 | memcpy(__stack_data, &__ctf_tmp_double, sizeof(double)); \ | |
392 | __stack_data += sizeof(double); \ | |
393 | } | |
1ddfd641 | 394 | |
4774c8f3 | 395 | #undef _ctf_array_encoded |
180901e6 | 396 | #define _ctf_array_encoded(_type, _item, _src, _length, _encoding, _nowrite) \ |
fa099471 MD |
397 | { \ |
398 | unsigned long __ctf_tmp_ulong = (unsigned long) (_length); \ | |
59034aab | 399 | const void *__ctf_tmp_ptr = (_src); \ |
fa099471 MD |
400 | memcpy(__stack_data, &__ctf_tmp_ulong, sizeof(unsigned long)); \ |
401 | __stack_data += sizeof(unsigned long); \ | |
b1239ad6 MD |
402 | memcpy(__stack_data, &__ctf_tmp_ptr, sizeof(void *)); \ |
403 | __stack_data += sizeof(void *); \ | |
fa099471 | 404 | } |
1ddfd641 | 405 | |
4774c8f3 MD |
406 | #undef _ctf_sequence_encoded |
407 | #define _ctf_sequence_encoded(_type, _item, _src, _length_type, \ | |
f968510a | 408 | _src_length, _encoding, _nowrite, _elem_type_base) \ |
fa099471 MD |
409 | { \ |
410 | unsigned long __ctf_tmp_ulong = (unsigned long) (_src_length); \ | |
59034aab | 411 | const void *__ctf_tmp_ptr = (_src); \ |
fa099471 MD |
412 | memcpy(__stack_data, &__ctf_tmp_ulong, sizeof(unsigned long)); \ |
413 | __stack_data += sizeof(unsigned long); \ | |
b1239ad6 MD |
414 | memcpy(__stack_data, &__ctf_tmp_ptr, sizeof(void *)); \ |
415 | __stack_data += sizeof(void *); \ | |
fa099471 | 416 | } |
1ddfd641 | 417 | |
4774c8f3 | 418 | #undef _ctf_string |
180901e6 | 419 | #define _ctf_string(_item, _src, _nowrite) \ |
fa099471 | 420 | { \ |
59034aab | 421 | const void *__ctf_tmp_ptr = (_src); \ |
b1239ad6 MD |
422 | memcpy(__stack_data, &__ctf_tmp_ptr, sizeof(void *)); \ |
423 | __stack_data += sizeof(void *); \ | |
fa099471 | 424 | } |
1ddfd641 MD |
425 | |
426 | #undef TP_ARGS | |
427 | #define TP_ARGS(...) __VA_ARGS__ | |
428 | ||
429 | #undef TP_FIELDS | |
430 | #define TP_FIELDS(...) __VA_ARGS__ | |
431 | ||
432 | #undef TRACEPOINT_EVENT_CLASS | |
433 | #define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ | |
434 | static inline \ | |
435 | void __event_prepare_filter_stack__##_provider##___##_name(char *__stack_data,\ | |
436 | _TP_ARGS_DATA_PROTO(_args)) \ | |
437 | { \ | |
438 | _fields \ | |
439 | } | |
440 | ||
441 | #include TRACEPOINT_INCLUDE | |
442 | ||
443 | ||
444 | ||
1c324e59 | 445 | /* |
df854e41 | 446 | * Stage 4 of tracepoint event generation. |
1c324e59 MD |
447 | * |
448 | * Create static inline function that calculates event payload alignment. | |
449 | */ | |
450 | ||
451 | /* Reset all macros within TRACEPOINT_EVENT */ | |
452 | #include <lttng/ust-tracepoint-event-reset.h> | |
4774c8f3 | 453 | #include <lttng/ust-tracepoint-event-write.h> |
1c324e59 | 454 | |
4774c8f3 | 455 | #undef _ctf_integer_ext |
180901e6 | 456 | #define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \ |
1c324e59 MD |
457 | __event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_type)); |
458 | ||
4774c8f3 | 459 | #undef _ctf_float |
180901e6 | 460 | #define _ctf_float(_type, _item, _src, _nowrite) \ |
1c324e59 MD |
461 | __event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_type)); |
462 | ||
4774c8f3 | 463 | #undef _ctf_array_encoded |
180901e6 | 464 | #define _ctf_array_encoded(_type, _item, _src, _length, _encoding, _nowrite) \ |
1c324e59 MD |
465 | __event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_type)); |
466 | ||
4774c8f3 | 467 | #undef _ctf_sequence_encoded |
f968510a PP |
468 | #define _ctf_sequence_encoded(_type, _item, _src, _length_type, \ |
469 | _src_length, _encoding, _nowrite, _elem_type_base) \ | |
1c324e59 MD |
470 | __event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_length_type)); \ |
471 | __event_align = _tp_max_t(size_t, __event_align, lttng_alignof(_type)); | |
472 | ||
4774c8f3 | 473 | #undef _ctf_string |
180901e6 | 474 | #define _ctf_string(_item, _src, _nowrite) |
1c324e59 MD |
475 | |
476 | #undef TP_ARGS | |
2eda209b | 477 | #define TP_ARGS(...) __VA_ARGS__ |
1c324e59 MD |
478 | |
479 | #undef TP_FIELDS | |
2eda209b | 480 | #define TP_FIELDS(...) __VA_ARGS__ |
1c324e59 MD |
481 | |
482 | #undef TRACEPOINT_EVENT_CLASS | |
483 | #define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ | |
a8909ba5 PW |
484 | static inline lttng_ust_notrace \ |
485 | size_t __event_get_align__##_provider##___##_name(_TP_ARGS_PROTO(_args)); \ | |
1c324e59 MD |
486 | static inline \ |
487 | size_t __event_get_align__##_provider##___##_name(_TP_ARGS_PROTO(_args)) \ | |
488 | { \ | |
489 | size_t __event_align = 1; \ | |
490 | _fields \ | |
491 | return __event_align; \ | |
492 | } | |
493 | ||
494 | #include TRACEPOINT_INCLUDE | |
495 | ||
496 | ||
497 | /* | |
df854e41 | 498 | * Stage 5 of tracepoint event generation. |
1c324e59 MD |
499 | * |
500 | * Create the probe function. This function calls event size calculation | |
501 | * and writes event data into the buffer. | |
502 | */ | |
503 | ||
504 | /* Reset all macros within TRACEPOINT_EVENT */ | |
505 | #include <lttng/ust-tracepoint-event-reset.h> | |
4774c8f3 | 506 | #include <lttng/ust-tracepoint-event-write.h> |
1c324e59 | 507 | |
4774c8f3 | 508 | #undef _ctf_integer_ext |
180901e6 | 509 | #define _ctf_integer_ext(_type, _item, _src, _byte_order, _base, _nowrite) \ |
1c324e59 MD |
510 | { \ |
511 | _type __tmp = (_src); \ | |
512 | lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(__tmp));\ | |
513 | __chan->ops->event_write(&__ctx, &__tmp, sizeof(__tmp));\ | |
514 | } | |
515 | ||
4774c8f3 | 516 | #undef _ctf_float |
180901e6 | 517 | #define _ctf_float(_type, _item, _src, _nowrite) \ |
1c324e59 MD |
518 | { \ |
519 | _type __tmp = (_src); \ | |
520 | lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(__tmp));\ | |
521 | __chan->ops->event_write(&__ctx, &__tmp, sizeof(__tmp));\ | |
522 | } | |
523 | ||
4774c8f3 | 524 | #undef _ctf_array_encoded |
180901e6 | 525 | #define _ctf_array_encoded(_type, _item, _src, _length, _encoding, _nowrite) \ |
1c324e59 MD |
526 | lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(_type)); \ |
527 | __chan->ops->event_write(&__ctx, _src, sizeof(_type) * (_length)); | |
528 | ||
4774c8f3 MD |
529 | #undef _ctf_sequence_encoded |
530 | #define _ctf_sequence_encoded(_type, _item, _src, _length_type, \ | |
f968510a | 531 | _src_length, _encoding, _nowrite, _elem_type_base) \ |
1c324e59 | 532 | { \ |
d71b57b9 | 533 | _length_type __tmpl = __stackvar.__dynamic_len[__dynamic_len_idx]; \ |
1c324e59 MD |
534 | lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(_length_type));\ |
535 | __chan->ops->event_write(&__ctx, &__tmpl, sizeof(_length_type));\ | |
536 | } \ | |
537 | lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(_type)); \ | |
538 | __chan->ops->event_write(&__ctx, _src, \ | |
539 | sizeof(_type) * __get_dynamic_len(dest)); | |
540 | ||
a44c74d9 MD |
541 | /* |
542 | * __chan->ops->u.has_strcpy is a flag letting us know if the LTTng-UST | |
543 | * tracepoint provider ABI implements event_strcpy. This dynamic check | |
544 | * can be removed when the tracepoint provider ABI moves to 2. | |
545 | */ | |
546 | #if (LTTNG_UST_PROVIDER_MAJOR > 1) | |
547 | #error "Tracepoint probe provider major version has changed. Please remove dynamic check for has_strcpy." | |
548 | #endif | |
549 | ||
4774c8f3 | 550 | #undef _ctf_string |
180901e6 | 551 | #define _ctf_string(_item, _src, _nowrite) \ |
1c324e59 | 552 | lib_ring_buffer_align_ctx(&__ctx, lttng_alignof(*(_src))); \ |
a44c74d9 MD |
553 | if (__chan->ops->u.has_strcpy) \ |
554 | __chan->ops->event_strcpy(&__ctx, _src, \ | |
555 | __get_dynamic_len(dest)); \ | |
556 | else \ | |
557 | __chan->ops->event_write(&__ctx, _src, \ | |
558 | __get_dynamic_len(dest)); | |
1c324e59 MD |
559 | |
560 | /* Beware: this get len actually consumes the len value */ | |
561 | #undef __get_dynamic_len | |
d71b57b9 | 562 | #define __get_dynamic_len(field) __stackvar.__dynamic_len[__dynamic_len_idx++] |
1c324e59 MD |
563 | |
564 | #undef TP_ARGS | |
2eda209b | 565 | #define TP_ARGS(...) __VA_ARGS__ |
1c324e59 MD |
566 | |
567 | #undef TP_FIELDS | |
2eda209b | 568 | #define TP_FIELDS(...) __VA_ARGS__ |
1c324e59 | 569 | |
95c25348 PW |
570 | /* |
571 | * For state dump, check that "session" argument (mandatory) matches the | |
572 | * session this event belongs to. Ensures that we write state dump data only | |
573 | * into the started session, not into all sessions. | |
574 | */ | |
575 | #undef _TP_SESSION_CHECK | |
576 | #ifdef TP_SESSION_CHECK | |
577 | #define _TP_SESSION_CHECK(session, csession) (session == csession) | |
578 | #else /* TP_SESSION_CHECK */ | |
579 | #define _TP_SESSION_CHECK(session, csession) 1 | |
580 | #endif /* TP_SESSION_CHECK */ | |
581 | ||
800ceaa5 MD |
582 | /* |
583 | * Use of __builtin_return_address(0) sometimes seems to cause stack | |
584 | * corruption on 32-bit PowerPC. Disable this feature on that | |
585 | * architecture for now by always using the NULL value for the ip | |
586 | * context. | |
587 | */ | |
5dadb547 MD |
588 | #undef _TP_IP_PARAM |
589 | #ifdef TP_IP_PARAM | |
e1d09f9e | 590 | #define _TP_IP_PARAM(x) (x) |
5dadb547 | 591 | #else /* TP_IP_PARAM */ |
800ceaa5 MD |
592 | |
593 | #if defined(__PPC__) && !defined(__PPC64__) | |
594 | #define _TP_IP_PARAM(x) NULL | |
595 | #else /* #if defined(__PPC__) && !defined(__PPC64__) */ | |
e1d09f9e | 596 | #define _TP_IP_PARAM(x) __builtin_return_address(0) |
800ceaa5 MD |
597 | #endif /* #else #if defined(__PPC__) && !defined(__PPC64__) */ |
598 | ||
5dadb547 MD |
599 | #endif /* TP_IP_PARAM */ |
600 | ||
1ddfd641 MD |
601 | /* |
602 | * Using twice size for filter stack data to hold size and pointer for | |
603 | * each field (worse case). For integers, max size required is 64-bit. | |
604 | * Same for double-precision floats. Those fit within | |
605 | * 2*sizeof(unsigned long) for all supported architectures. | |
61ce3223 | 606 | * Perform UNION (||) of filter runtime list. |
1ddfd641 | 607 | */ |
1c324e59 MD |
608 | #undef TRACEPOINT_EVENT_CLASS |
609 | #define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ | |
a8909ba5 PW |
610 | static lttng_ust_notrace \ |
611 | void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)); \ | |
612 | static \ | |
613 | void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)) \ | |
1c324e59 | 614 | { \ |
46d52200 | 615 | struct lttng_event *__event = (struct lttng_event *) __tp_data; \ |
7dd08bec | 616 | struct lttng_channel *__chan = __event->chan; \ |
f280cb51 | 617 | struct lttng_ust_lib_ring_buffer_ctx __ctx; \ |
1c324e59 MD |
618 | size_t __event_len, __event_align; \ |
619 | size_t __dynamic_len_idx = 0; \ | |
d71b57b9 | 620 | union { \ |
1ddfd641 MD |
621 | size_t __dynamic_len[_TP_ARRAY_SIZE(__event_fields___##_provider##___##_name)]; \ |
622 | char __filter_stack_data[2 * sizeof(unsigned long) * _TP_ARRAY_SIZE(__event_fields___##_provider##___##_name)]; \ | |
d71b57b9 | 623 | } __stackvar; \ |
1c324e59 MD |
624 | int __ret; \ |
625 | \ | |
626 | if (0) \ | |
627 | (void) __dynamic_len_idx; /* don't warn if unused */ \ | |
95c25348 PW |
628 | if (!_TP_SESSION_CHECK(session, __chan->session)) \ |
629 | return; \ | |
1c324e59 MD |
630 | if (caa_unlikely(!CMM_ACCESS_ONCE(__chan->session->active))) \ |
631 | return; \ | |
632 | if (caa_unlikely(!CMM_ACCESS_ONCE(__chan->enabled))) \ | |
633 | return; \ | |
634 | if (caa_unlikely(!CMM_ACCESS_ONCE(__event->enabled))) \ | |
635 | return; \ | |
1b436e01 MD |
636 | if (caa_unlikely(!TP_RCU_LINK_TEST())) \ |
637 | return; \ | |
e58095ef | 638 | if (caa_unlikely(!cds_list_empty(&__event->bytecode_runtime_head))) { \ |
f488575f | 639 | struct lttng_bytecode_runtime *bc_runtime; \ |
dcdeaff0 | 640 | int __filter_record = __event->has_enablers_without_bytecode; \ |
f488575f | 641 | \ |
1ddfd641 | 642 | __event_prepare_filter_stack__##_provider##___##_name(__stackvar.__filter_stack_data, \ |
f488575f | 643 | _TP_ARGS_DATA_VAR(_args)); \ |
000b8662 | 644 | tp_list_for_each_entry_rcu(bc_runtime, &__event->bytecode_runtime_head, node) { \ |
61ce3223 | 645 | if (caa_unlikely(bc_runtime->filter(bc_runtime, \ |
8a92ed2a MD |
646 | __stackvar.__filter_stack_data) & LTTNG_FILTER_RECORD_FLAG)) \ |
647 | __filter_record = 1; \ | |
f488575f | 648 | } \ |
8a92ed2a | 649 | if (caa_likely(!__filter_record)) \ |
61ce3223 | 650 | return; \ |
1ddfd641 MD |
651 | } \ |
652 | __event_len = __event_get_size__##_provider##___##_name(__stackvar.__dynamic_len, \ | |
1c324e59 MD |
653 | _TP_ARGS_DATA_VAR(_args)); \ |
654 | __event_align = __event_get_align__##_provider##___##_name(_TP_ARGS_VAR(_args)); \ | |
655 | lib_ring_buffer_ctx_init(&__ctx, __chan->chan, __event, __event_len, \ | |
656 | __event_align, -1, __chan->handle); \ | |
e1d09f9e | 657 | __ctx.ip = _TP_IP_PARAM(TP_IP_PARAM); \ |
1c324e59 MD |
658 | __ret = __chan->ops->event_reserve(&__ctx, __event->id); \ |
659 | if (__ret < 0) \ | |
660 | return; \ | |
661 | _fields \ | |
662 | __chan->ops->event_commit(&__ctx); \ | |
663 | } | |
664 | ||
665 | #include TRACEPOINT_INCLUDE | |
666 | ||
667 | #undef __get_dynamic_len | |
668 | ||
68755429 MD |
669 | /* |
670 | * Stage 5.1 of tracepoint event generation. | |
671 | * | |
672 | * Create probe signature | |
673 | */ | |
674 | ||
675 | /* Reset all macros within TRACEPOINT_EVENT */ | |
676 | #include <lttng/ust-tracepoint-event-reset.h> | |
677 | ||
678 | #undef TP_ARGS | |
2eda209b | 679 | #define TP_ARGS(...) __VA_ARGS__ |
9eb06182 MD |
680 | |
681 | #define _TP_EXTRACT_STRING2(...) #__VA_ARGS__ | |
68755429 MD |
682 | |
683 | #undef TRACEPOINT_EVENT_CLASS | |
684 | #define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \ | |
685 | const char __tp_event_signature___##_provider##___##_name[] = \ | |
9eb06182 | 686 | _TP_EXTRACT_STRING2(_args); |
68755429 MD |
687 | |
688 | #include TRACEPOINT_INCLUDE | |
689 | ||
9eb06182 MD |
690 | #undef _TP_EXTRACT_STRING2 |
691 | ||
05ceaafd | 692 | /* |
882a56d7 | 693 | * Stage 6 of tracepoint event generation. |
1c324e59 | 694 | * |
df854e41 MD |
695 | * Tracepoint loglevel mapping definition generation. We generate a |
696 | * symbol for each mapping for a provider/event to ensure at most a 1 to | |
697 | * 1 mapping between events and loglevels. If the symbol is repeated, | |
698 | * the compiler will complain. | |
05ceaafd MD |
699 | */ |
700 | ||
701 | /* Reset all macros within TRACEPOINT_EVENT */ | |
702 | #include <lttng/ust-tracepoint-event-reset.h> | |
703 | ||
704 | #undef TRACEPOINT_LOGLEVEL | |
457a6b58 MD |
705 | #define TRACEPOINT_LOGLEVEL(__provider, __name, __loglevel) \ |
706 | static const int _loglevel_value___##__provider##___##__name = __loglevel; \ | |
707 | static const int *_loglevel___##__provider##___##__name = \ | |
708 | &_loglevel_value___##__provider##___##__name; | |
df854e41 MD |
709 | |
710 | #include TRACEPOINT_INCLUDE | |
711 | ||
6ddc916d MD |
712 | /* |
713 | * Stage 6.1 of tracepoint event generation. | |
714 | * | |
715 | * Tracepoint UML URI info. | |
716 | */ | |
717 | ||
718 | /* Reset all macros within TRACEPOINT_EVENT */ | |
719 | #include <lttng/ust-tracepoint-event-reset.h> | |
720 | ||
721 | #undef TRACEPOINT_MODEL_EMF_URI | |
722 | #define TRACEPOINT_MODEL_EMF_URI(__provider, __name, __uri) \ | |
723 | static const char *_model_emf_uri___##__provider##___##__name = __uri; | |
724 | ||
725 | #include TRACEPOINT_INCLUDE | |
726 | ||
df854e41 | 727 | /* |
882a56d7 | 728 | * Stage 7.1 of tracepoint event generation. |
df854e41 MD |
729 | * |
730 | * Create events description structures. We use a weakref because | |
731 | * loglevels are optional. If not declared, the event will point to the | |
732 | * a loglevel that contains NULL. | |
733 | */ | |
734 | ||
735 | /* Reset all macros within TRACEPOINT_EVENT */ | |
736 | #include <lttng/ust-tracepoint-event-reset.h> | |
737 | ||
738 | #undef TRACEPOINT_EVENT_INSTANCE | |
739 | #define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \ | |
882a56d7 MD |
740 | static const int * \ |
741 | __ref_loglevel___##_provider##___##_name \ | |
742 | __attribute__((weakref ("_loglevel___" #_provider "___" #_name))); \ | |
6ddc916d MD |
743 | static const char * \ |
744 | __ref_model_emf_uri___##_provider##___##_name \ | |
745 | __attribute__((weakref ("_model_emf_uri___" #_provider "___" #_name)));\ | |
df854e41 | 746 | const struct lttng_event_desc __event_desc___##_provider##_##_name = { \ |
df854e41 | 747 | .name = #_provider ":" #_name, \ |
fbdeb5ec | 748 | .probe_callback = (void (*)(void)) &__event_probe__##_provider##___##_template,\ |
46d52200 ZT |
749 | .ctx = NULL, \ |
750 | .fields = __event_fields___##_provider##___##_template, \ | |
df854e41 | 751 | .nr_fields = _TP_ARRAY_SIZE(__event_fields___##_provider##___##_template), \ |
882a56d7 | 752 | .loglevel = &__ref_loglevel___##_provider##___##_name, \ |
68755429 | 753 | .signature = __tp_event_signature___##_provider##___##_template, \ |
46d52200 | 754 | .u = { .ext = { .model_emf_uri = &__ref_model_emf_uri___##_provider##___##_name } }, \ |
df854e41 MD |
755 | }; |
756 | ||
757 | #include TRACEPOINT_INCLUDE | |
05ceaafd | 758 | |
df854e41 | 759 | /* |
882a56d7 | 760 | * Stage 7.2 of tracepoint event generation. |
df854e41 MD |
761 | * |
762 | * Create array of events. | |
763 | */ | |
764 | ||
765 | /* Reset all macros within TRACEPOINT_EVENT */ | |
766 | #include <lttng/ust-tracepoint-event-reset.h> | |
767 | ||
768 | #undef TRACEPOINT_EVENT_INSTANCE | |
769 | #define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \ | |
770 | &__event_desc___##_provider##_##_name, | |
771 | ||
772 | static const struct lttng_event_desc *_TP_COMBINE_TOKENS(__event_desc___, TRACEPOINT_PROVIDER)[] = { | |
05ceaafd MD |
773 | #include TRACEPOINT_INCLUDE |
774 | }; | |
775 | ||
df854e41 | 776 | |
05ceaafd | 777 | /* |
882a56d7 | 778 | * Stage 8 of tracepoint event generation. |
05ceaafd MD |
779 | * |
780 | * Create a toplevel descriptor for the whole probe. | |
781 | */ | |
782 | ||
783 | /* non-const because list head will be modified when registered. */ | |
784 | static struct lttng_probe_desc _TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER) = { | |
df854e41 | 785 | .provider = __tp_stringify(TRACEPOINT_PROVIDER), |
05ceaafd MD |
786 | .event_desc = _TP_COMBINE_TOKENS(__event_desc___, TRACEPOINT_PROVIDER), |
787 | .nr_events = _TP_ARRAY_SIZE(_TP_COMBINE_TOKENS(__event_desc___, TRACEPOINT_PROVIDER)), | |
46d52200 ZT |
788 | .head = { NULL, NULL }, |
789 | .lazy_init_head = { NULL, NULL }, | |
790 | .lazy = 0, | |
71d31690 MD |
791 | .major = LTTNG_UST_PROVIDER_MAJOR, |
792 | .minor = LTTNG_UST_PROVIDER_MINOR, | |
05ceaafd MD |
793 | }; |
794 | ||
f0cc794d MD |
795 | static int _TP_COMBINE_TOKENS(__probe_register_refcount___, TRACEPOINT_PROVIDER); |
796 | ||
05ceaafd | 797 | /* |
882a56d7 | 798 | * Stage 9 of tracepoint event generation. |
05ceaafd | 799 | * |
1c324e59 | 800 | * Register/unregister probes at module load/unload. |
628e1d81 MD |
801 | * |
802 | * Generate the constructor as an externally visible symbol for use when | |
803 | * linking the probe statically. | |
f0cc794d MD |
804 | * |
805 | * Register refcount is protected by libc dynamic loader mutex. | |
1c324e59 MD |
806 | */ |
807 | ||
808 | /* Reset all macros within TRACEPOINT_EVENT */ | |
809 | #include <lttng/ust-tracepoint-event-reset.h> | |
a8909ba5 PW |
810 | static void lttng_ust_notrace __attribute__((constructor)) |
811 | _TP_COMBINE_TOKENS(__lttng_events_init__, TRACEPOINT_PROVIDER)(void); | |
812 | static void | |
1c324e59 MD |
813 | _TP_COMBINE_TOKENS(__lttng_events_init__, TRACEPOINT_PROVIDER)(void) |
814 | { | |
815 | int ret; | |
816 | ||
f0cc794d MD |
817 | if (_TP_COMBINE_TOKENS(__probe_register_refcount___, |
818 | TRACEPOINT_PROVIDER)++) { | |
819 | return; | |
820 | } | |
e8bd1da7 MD |
821 | /* |
822 | * __tracepoint_provider_check_ ## TRACEPOINT_PROVIDER() is a | |
823 | * static inline function that ensures every probe PROVIDER | |
824 | * argument match the provider within which they appear. It | |
825 | * calls empty static inline functions, and therefore has no | |
826 | * runtime effect. However, if it detects an error, a linker | |
827 | * error will appear. | |
828 | */ | |
829 | _TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)(); | |
7dd08bec | 830 | ret = lttng_probe_register(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER)); |
7d381d6e MD |
831 | if (ret) { |
832 | fprintf(stderr, "LTTng-UST: Error (%d) while registering tracepoint probe. Duplicate registration of tracepoint probes having the same name is not allowed.\n", ret); | |
833 | abort(); | |
834 | } | |
1c324e59 MD |
835 | } |
836 | ||
a8909ba5 PW |
837 | static void lttng_ust_notrace __attribute__((destructor)) |
838 | _TP_COMBINE_TOKENS(__lttng_events_exit__, TRACEPOINT_PROVIDER)(void); | |
839 | static void | |
1c324e59 MD |
840 | _TP_COMBINE_TOKENS(__lttng_events_exit__, TRACEPOINT_PROVIDER)(void) |
841 | { | |
f0cc794d MD |
842 | if (--_TP_COMBINE_TOKENS(__probe_register_refcount___, |
843 | TRACEPOINT_PROVIDER)) { | |
844 | return; | |
845 | } | |
7dd08bec | 846 | lttng_probe_unregister(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER)); |
1c324e59 | 847 | } |
628e1d81 MD |
848 | |
849 | int _TP_COMBINE_TOKENS(__tracepoint_provider_, TRACEPOINT_PROVIDER); |