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b7cdc182 | 1 | /* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) |
9f36eaed | 2 | * |
2df37e95 | 3 | * lttng/abi.h |
57a13317 | 4 | * |
80996790 | 5 | * LTTng ABI header |
17baffe2 | 6 | * |
886d51a3 | 7 | * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
57a13317 MD |
8 | */ |
9 | ||
9f36eaed MJ |
10 | #ifndef _LTTNG_ABI_H |
11 | #define _LTTNG_ABI_H | |
12 | ||
57a13317 MD |
13 | #include <linux/fs.h> |
14 | ||
42cabb80 MD |
15 | /* |
16 | * Major/minor version of ABI exposed to lttng tools. Major number | |
17 | * should be increased when an incompatible ABI change is done. | |
18 | */ | |
3c997079 | 19 | #define LTTNG_MODULES_ABI_MAJOR_VERSION 2 |
911ae48d | 20 | #define LTTNG_MODULES_ABI_MINOR_VERSION 5 |
42cabb80 | 21 | |
f8695253 | 22 | #define LTTNG_KERNEL_SYM_NAME_LEN 256 |
7f859fbf | 23 | #define LTTNG_KERNEL_SESSION_NAME_LEN 256 |
1c88f269 | 24 | #define LTTNG_KERNEL_SESSION_CREATION_TIME_ISO8601_LEN 26 |
d6d808f3 | 25 | |
38d024ae | 26 | enum lttng_kernel_instrumentation { |
4c183524 MD |
27 | LTTNG_KERNEL_TRACEPOINT = 0, |
28 | LTTNG_KERNEL_KPROBE = 1, | |
29 | LTTNG_KERNEL_FUNCTION = 2, | |
7371f44c | 30 | LTTNG_KERNEL_KRETPROBE = 3, |
1ec65de1 | 31 | LTTNG_KERNEL_NOOP = 4, /* not hooked */ |
43880ee8 | 32 | LTTNG_KERNEL_SYSCALL = 5, |
149b9a9d | 33 | LTTNG_KERNEL_UPROBE = 6, |
57a13317 MD |
34 | }; |
35 | ||
96ba7208 JD |
36 | /* |
37 | * LTTng consumer mode | |
38 | */ | |
39 | enum lttng_kernel_output { | |
40 | LTTNG_KERNEL_SPLICE = 0, | |
41 | LTTNG_KERNEL_MMAP = 1, | |
42 | }; | |
43 | ||
57a13317 MD |
44 | /* |
45 | * LTTng DebugFS ABI structures. | |
46 | */ | |
8e099bae | 47 | #define LTTNG_KERNEL_CHANNEL_PADDING LTTNG_KERNEL_SYM_NAME_LEN + 32 |
38d024ae | 48 | struct lttng_kernel_channel { |
9e245ead | 49 | uint64_t subbuf_size; /* in bytes */ |
80c16bcf | 50 | uint64_t num_subbuf; |
9e245ead MD |
51 | unsigned int switch_timer_interval; /* usecs */ |
52 | unsigned int read_timer_interval; /* usecs */ | |
b6c846f1 | 53 | uint32_t output; /* enum lttng_kernel_output (splice, mmap) */ |
6dccd6c1 | 54 | int overwrite; /* 1: overwrite, 0: discard */ |
8e099bae | 55 | char padding[LTTNG_KERNEL_CHANNEL_PADDING]; |
1a598612 | 56 | } __attribute__((packed)); |
57a13317 | 57 | |
7371f44c MD |
58 | struct lttng_kernel_kretprobe { |
59 | uint64_t addr; | |
60 | ||
61 | uint64_t offset; | |
f8695253 | 62 | char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN]; |
1a598612 | 63 | } __attribute__((packed)); |
7371f44c | 64 | |
38d024ae MD |
65 | /* |
66 | * Either addr is used, or symbol_name and offset. | |
67 | */ | |
68 | struct lttng_kernel_kprobe { | |
80c16bcf | 69 | uint64_t addr; |
38d024ae | 70 | |
80c16bcf | 71 | uint64_t offset; |
f8695253 | 72 | char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN]; |
1a598612 | 73 | } __attribute__((packed)); |
d6d808f3 | 74 | |
f17701fb | 75 | struct lttng_kernel_function_tracer { |
f8695253 | 76 | char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN]; |
1a598612 | 77 | } __attribute__((packed)); |
f17701fb | 78 | |
149b9a9d | 79 | struct lttng_kernel_uprobe { |
56377c91 | 80 | int fd; |
3aed4dca FD |
81 | } __attribute__((packed)); |
82 | ||
83 | struct lttng_kernel_event_callsite_uprobe { | |
149b9a9d YB |
84 | uint64_t offset; |
85 | } __attribute__((packed)); | |
86 | ||
3aed4dca FD |
87 | struct lttng_kernel_event_callsite { |
88 | union { | |
89 | struct lttng_kernel_event_callsite_uprobe uprobe; | |
90 | } u; | |
91 | } __attribute__((packed)); | |
92 | ||
badfe9f5 | 93 | enum lttng_kernel_syscall_entryexit { |
c5d12b5b FD |
94 | LTTNG_KERNEL_SYSCALL_ENTRYEXIT = 0, |
95 | LTTNG_KERNEL_SYSCALL_ENTRY = 1, | |
96 | LTTNG_KERNEL_SYSCALL_EXIT = 2, | |
badfe9f5 MD |
97 | }; |
98 | ||
99 | enum lttng_kernel_syscall_abi { | |
100 | LTTNG_KERNEL_SYSCALL_ABI_ALL = 0, | |
8a8ac9a8 FD |
101 | LTTNG_KERNEL_SYSCALL_ABI_NATIVE = 1, |
102 | LTTNG_KERNEL_SYSCALL_ABI_COMPAT = 2, | |
badfe9f5 MD |
103 | }; |
104 | ||
105 | enum lttng_kernel_syscall_match { | |
cff6938b FD |
106 | LTTNG_KERNEL_SYSCALL_MATCH_NAME = 0, |
107 | LTTNG_KERNEL_SYSCALL_MATCH_NR = 1, /* Not implemented. */ | |
badfe9f5 MD |
108 | }; |
109 | ||
110 | struct lttng_kernel_syscall { | |
111 | uint8_t entryexit; /* enum lttng_kernel_syscall_entryexit */ | |
112 | uint8_t abi; /* enum lttng_kernel_syscall_abi */ | |
113 | uint8_t match; /* enum lttng_kernel_syscall_match */ | |
114 | uint8_t padding; | |
115 | uint32_t nr; /* For LTTNG_SYSCALL_MATCH_NR */ | |
116 | } __attribute__((packed)); | |
117 | ||
43880ee8 | 118 | /* |
3c997079 | 119 | * For syscall tracing, name = "*" means "enable all". |
43880ee8 | 120 | */ |
d4f52727 | 121 | #define LTTNG_KERNEL_EVENT_PADDING1 8 |
8e099bae | 122 | #define LTTNG_KERNEL_EVENT_PADDING2 LTTNG_KERNEL_SYM_NAME_LEN + 32 |
d6d808f3 | 123 | struct lttng_kernel_event { |
f8695253 | 124 | char name[LTTNG_KERNEL_SYM_NAME_LEN]; /* event name */ |
b6c846f1 | 125 | uint32_t instrumentation; /* enum lttng_kernel_instrumentation */ |
d4f52727 | 126 | uint64_t token; /* User-provided token */ |
8e099bae MD |
127 | char padding[LTTNG_KERNEL_EVENT_PADDING1]; |
128 | ||
d6d808f3 MD |
129 | /* Per instrumentation type configuration */ |
130 | union { | |
7371f44c | 131 | struct lttng_kernel_kretprobe kretprobe; |
d6d808f3 | 132 | struct lttng_kernel_kprobe kprobe; |
f17701fb | 133 | struct lttng_kernel_function_tracer ftrace; |
149b9a9d | 134 | struct lttng_kernel_uprobe uprobe; |
badfe9f5 | 135 | struct lttng_kernel_syscall syscall; |
8e099bae | 136 | char padding[LTTNG_KERNEL_EVENT_PADDING2]; |
d6d808f3 | 137 | } u; |
1a598612 | 138 | } __attribute__((packed)); |
c099397a | 139 | |
dffef45d FD |
140 | #define LTTNG_KERNEL_EVENT_NOTIFIER_PADDING1 16 |
141 | struct lttng_kernel_event_notifier { | |
142 | struct lttng_kernel_event event; | |
143 | ||
144 | char padding[LTTNG_KERNEL_EVENT_NOTIFIER_PADDING1]; | |
145 | } __attribute__((packed)); | |
146 | ||
99d223ad FD |
147 | #define LTTNG_KERNEL_EVENT_NOTIFIER_NOTIFICATION_PADDING 32 |
148 | struct lttng_kernel_event_notifier_notification { | |
149 | uint64_t token; | |
150 | uint16_t capture_buf_size; | |
151 | char padding[LTTNG_KERNEL_EVENT_NOTIFIER_NOTIFICATION_PADDING]; | |
152 | } __attribute__((packed)); | |
153 | ||
80c16bcf | 154 | struct lttng_kernel_tracer_version { |
c6c9e10f MD |
155 | uint32_t major; |
156 | uint32_t minor; | |
80c16bcf | 157 | uint32_t patchlevel; |
1a598612 | 158 | } __attribute__((packed)); |
80c16bcf | 159 | |
42cabb80 MD |
160 | struct lttng_kernel_tracer_abi_version { |
161 | uint32_t major; | |
162 | uint32_t minor; | |
163 | } __attribute__((packed)); | |
164 | ||
7f859fbf JR |
165 | struct lttng_kernel_session_name { |
166 | char name[LTTNG_KERNEL_SESSION_NAME_LEN]; | |
167 | } __attribute__((packed)); | |
168 | ||
1c88f269 JR |
169 | struct lttng_kernel_session_creation_time { |
170 | char iso8601[LTTNG_KERNEL_SESSION_CREATION_TIME_ISO8601_LEN]; | |
171 | } __attribute__((packed)); | |
172 | ||
3db41b2c MD |
173 | enum lttng_kernel_calibrate_type { |
174 | LTTNG_KERNEL_CALIBRATE_KRETPROBE, | |
57105fc2 MD |
175 | }; |
176 | ||
3db41b2c | 177 | struct lttng_kernel_calibrate { |
b6c846f1 | 178 | uint32_t type; /* enum lttng_kernel_calibrate_type (input) */ |
1a598612 | 179 | } __attribute__((packed)); |
57105fc2 | 180 | |
12e579db MD |
181 | struct lttng_kernel_syscall_mask { |
182 | uint32_t len; /* in bits */ | |
183 | char mask[]; | |
184 | } __attribute__((packed)); | |
185 | ||
12a313a5 | 186 | enum lttng_kernel_context_type { |
4c183524 MD |
187 | LTTNG_KERNEL_CONTEXT_PID = 0, |
188 | LTTNG_KERNEL_CONTEXT_PERF_COUNTER = 1, | |
a2563e83 | 189 | LTTNG_KERNEL_CONTEXT_PROCNAME = 2, |
4c183524 MD |
190 | LTTNG_KERNEL_CONTEXT_PRIO = 3, |
191 | LTTNG_KERNEL_CONTEXT_NICE = 4, | |
192 | LTTNG_KERNEL_CONTEXT_VPID = 5, | |
193 | LTTNG_KERNEL_CONTEXT_TID = 6, | |
194 | LTTNG_KERNEL_CONTEXT_VTID = 7, | |
195 | LTTNG_KERNEL_CONTEXT_PPID = 8, | |
196 | LTTNG_KERNEL_CONTEXT_VPPID = 9, | |
975da2c0 | 197 | LTTNG_KERNEL_CONTEXT_HOSTNAME = 10, |
b3699d90 | 198 | LTTNG_KERNEL_CONTEXT_CPU_ID = 11, |
79150a49 JD |
199 | LTTNG_KERNEL_CONTEXT_INTERRUPTIBLE = 12, |
200 | LTTNG_KERNEL_CONTEXT_PREEMPTIBLE = 13, | |
201 | LTTNG_KERNEL_CONTEXT_NEED_RESCHEDULE = 14, | |
202 | LTTNG_KERNEL_CONTEXT_MIGRATABLE = 15, | |
2fa2d39a FG |
203 | LTTNG_KERNEL_CONTEXT_CALLSTACK_KERNEL = 16, |
204 | LTTNG_KERNEL_CONTEXT_CALLSTACK_USER = 17, | |
a6cf40a4 MJ |
205 | LTTNG_KERNEL_CONTEXT_CGROUP_NS = 18, |
206 | LTTNG_KERNEL_CONTEXT_IPC_NS = 19, | |
207 | LTTNG_KERNEL_CONTEXT_MNT_NS = 20, | |
208 | LTTNG_KERNEL_CONTEXT_NET_NS = 21, | |
209 | LTTNG_KERNEL_CONTEXT_PID_NS = 22, | |
210 | LTTNG_KERNEL_CONTEXT_USER_NS = 23, | |
211 | LTTNG_KERNEL_CONTEXT_UTS_NS = 24, | |
dc923e75 MJ |
212 | LTTNG_KERNEL_CONTEXT_UID = 25, |
213 | LTTNG_KERNEL_CONTEXT_EUID = 26, | |
214 | LTTNG_KERNEL_CONTEXT_SUID = 27, | |
215 | LTTNG_KERNEL_CONTEXT_GID = 28, | |
216 | LTTNG_KERNEL_CONTEXT_EGID = 29, | |
217 | LTTNG_KERNEL_CONTEXT_SGID = 30, | |
218 | LTTNG_KERNEL_CONTEXT_VUID = 31, | |
219 | LTTNG_KERNEL_CONTEXT_VEUID = 32, | |
220 | LTTNG_KERNEL_CONTEXT_VSUID = 33, | |
221 | LTTNG_KERNEL_CONTEXT_VGID = 34, | |
222 | LTTNG_KERNEL_CONTEXT_VEGID = 35, | |
223 | LTTNG_KERNEL_CONTEXT_VSGID = 36, | |
876e2e92 | 224 | LTTNG_KERNEL_CONTEXT_TIME_NS = 37, |
8070f5c0 MD |
225 | }; |
226 | ||
227 | struct lttng_kernel_perf_counter_ctx { | |
228 | uint32_t type; | |
229 | uint64_t config; | |
f8695253 | 230 | char name[LTTNG_KERNEL_SYM_NAME_LEN]; |
1a598612 | 231 | } __attribute__((packed)); |
8070f5c0 | 232 | |
8e099bae MD |
233 | #define LTTNG_KERNEL_CONTEXT_PADDING1 16 |
234 | #define LTTNG_KERNEL_CONTEXT_PADDING2 LTTNG_KERNEL_SYM_NAME_LEN + 32 | |
8070f5c0 | 235 | struct lttng_kernel_context { |
b6c846f1 | 236 | uint32_t ctx; /*enum lttng_kernel_context_type */ |
8e099bae MD |
237 | char padding[LTTNG_KERNEL_CONTEXT_PADDING1]; |
238 | ||
8070f5c0 | 239 | union { |
8070f5c0 | 240 | struct lttng_kernel_perf_counter_ctx perf_counter; |
8e099bae | 241 | char padding[LTTNG_KERNEL_CONTEXT_PADDING2]; |
8070f5c0 | 242 | } u; |
1a598612 | 243 | } __attribute__((packed)); |
8070f5c0 | 244 | |
f127e61e | 245 | #define LTTNG_KERNEL_FILTER_BYTECODE_MAX_LEN 65536 |
07dfc1d0 MD |
246 | struct lttng_kernel_filter_bytecode { |
247 | uint32_t len; | |
248 | uint32_t reloc_offset; | |
249 | uint64_t seqnum; | |
250 | char data[0]; | |
251 | } __attribute__((packed)); | |
252 | ||
99d223ad FD |
253 | #define LTTNG_KERNEL_CAPTURE_BYTECODE_MAX_LEN 65536 |
254 | struct lttng_kernel_capture_bytecode { | |
255 | uint32_t len; | |
256 | uint32_t reloc_offset; | |
257 | uint64_t seqnum; | |
258 | char data[0]; | |
259 | } __attribute__((packed)); | |
260 | ||
d1f652f8 MD |
261 | enum lttng_kernel_tracker_type { |
262 | LTTNG_KERNEL_TRACKER_UNKNOWN = -1, | |
263 | ||
264 | LTTNG_KERNEL_TRACKER_PID = 0, | |
265 | LTTNG_KERNEL_TRACKER_VPID = 1, | |
266 | LTTNG_KERNEL_TRACKER_UID = 2, | |
267 | LTTNG_KERNEL_TRACKER_VUID = 3, | |
268 | LTTNG_KERNEL_TRACKER_GID = 4, | |
269 | LTTNG_KERNEL_TRACKER_VGID = 5, | |
270 | }; | |
271 | ||
272 | struct lttng_kernel_tracker_args { | |
b6c846f1 | 273 | uint32_t type; /* enum lttng_kernel_tracker_type */ |
d1f652f8 MD |
274 | int32_t id; |
275 | }; | |
276 | ||
33749530 | 277 | /* LTTng file descriptor ioctl */ |
2df37e95 | 278 | /* lttng/abi-old.h reserve 0x40, 0x41, 0x42, 0x43, and 0x44. */ |
6dccd6c1 | 279 | #define LTTNG_KERNEL_SESSION _IO(0xF6, 0x45) |
33749530 | 280 | #define LTTNG_KERNEL_TRACER_VERSION \ |
6dccd6c1 JD |
281 | _IOR(0xF6, 0x46, struct lttng_kernel_tracer_version) |
282 | #define LTTNG_KERNEL_TRACEPOINT_LIST _IO(0xF6, 0x47) | |
283 | #define LTTNG_KERNEL_WAIT_QUIESCENT _IO(0xF6, 0x48) | |
57105fc2 | 284 | #define LTTNG_KERNEL_CALIBRATE \ |
6dccd6c1 | 285 | _IOWR(0xF6, 0x49, struct lttng_kernel_calibrate) |
29c956bb | 286 | #define LTTNG_KERNEL_SYSCALL_LIST _IO(0xF6, 0x4A) |
42cabb80 MD |
287 | #define LTTNG_KERNEL_TRACER_ABI_VERSION \ |
288 | _IOR(0xF6, 0x4B, struct lttng_kernel_tracer_abi_version) | |
750b05f2 | 289 | #define LTTNG_KERNEL_EVENT_NOTIFIER_GROUP_CREATE _IO(0xF6, 0x4C) |
33749530 MD |
290 | |
291 | /* Session FD ioctl */ | |
2df37e95 | 292 | /* lttng/abi-old.h reserve 0x50, 0x51, 0x52, and 0x53. */ |
33749530 | 293 | #define LTTNG_KERNEL_METADATA \ |
6dccd6c1 | 294 | _IOW(0xF6, 0x54, struct lttng_kernel_channel) |
ab2277d6 | 295 | #define LTTNG_KERNEL_CHANNEL \ |
6dccd6c1 JD |
296 | _IOW(0xF6, 0x55, struct lttng_kernel_channel) |
297 | #define LTTNG_KERNEL_SESSION_START _IO(0xF6, 0x56) | |
298 | #define LTTNG_KERNEL_SESSION_STOP _IO(0xF6, 0x57) | |
e0130fab MD |
299 | #define LTTNG_KERNEL_SESSION_TRACK_PID \ |
300 | _IOR(0xF6, 0x58, int32_t) | |
301 | #define LTTNG_KERNEL_SESSION_UNTRACK_PID \ | |
302 | _IOR(0xF6, 0x59, int32_t) | |
d1f652f8 | 303 | |
fe40f016 MD |
304 | /* |
305 | * ioctl 0x58 and 0x59 are duplicated here. It works, since _IOR vs _IO | |
306 | * are generating two different ioctl numbers, but this was not done on | |
307 | * purpose. We should generally try to avoid those duplications. | |
308 | */ | |
7e6f9ef6 | 309 | #define LTTNG_KERNEL_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58) |
9616f0bf | 310 | #define LTTNG_KERNEL_SESSION_METADATA_REGEN _IO(0xF6, 0x59) |
7f859fbf | 311 | |
2df37e95 | 312 | /* lttng/abi-old.h reserve 0x5A and 0x5B. */ |
601252cf | 313 | #define LTTNG_KERNEL_SESSION_STATEDUMP _IO(0xF6, 0x5C) |
7f859fbf JR |
314 | #define LTTNG_KERNEL_SESSION_SET_NAME \ |
315 | _IOR(0xF6, 0x5D, struct lttng_kernel_session_name) | |
1c88f269 JR |
316 | #define LTTNG_KERNEL_SESSION_SET_CREATION_TIME \ |
317 | _IOR(0xF6, 0x5E, struct lttng_kernel_session_creation_time) | |
33749530 MD |
318 | |
319 | /* Channel FD ioctl */ | |
2df37e95 | 320 | /* lttng/abi-old.h reserve 0x60 and 0x61. */ |
6dccd6c1 | 321 | #define LTTNG_KERNEL_STREAM _IO(0xF6, 0x62) |
ab2277d6 | 322 | #define LTTNG_KERNEL_EVENT \ |
6dccd6c1 | 323 | _IOW(0xF6, 0x63, struct lttng_kernel_event) |
12e579db MD |
324 | #define LTTNG_KERNEL_SYSCALL_MASK \ |
325 | _IOWR(0xF6, 0x64, struct lttng_kernel_syscall_mask) | |
57a13317 | 326 | |
8070f5c0 | 327 | /* Event and Channel FD ioctl */ |
2df37e95 | 328 | /* lttng/abi-old.h reserve 0x70. */ |
8070f5c0 | 329 | #define LTTNG_KERNEL_CONTEXT \ |
6dccd6c1 | 330 | _IOW(0xF6, 0x71, struct lttng_kernel_context) |
8070f5c0 | 331 | |
dffef45d | 332 | /* Event, Event notifier, Channel and Session ioctl */ |
2df37e95 | 333 | /* lttng/abi-old.h reserve 0x80 and 0x81. */ |
6dccd6c1 JD |
334 | #define LTTNG_KERNEL_ENABLE _IO(0xF6, 0x82) |
335 | #define LTTNG_KERNEL_DISABLE _IO(0xF6, 0x83) | |
e64957da | 336 | |
dffef45d | 337 | /* Event and Event notifier FD ioctl */ |
07dfc1d0 | 338 | #define LTTNG_KERNEL_FILTER _IO(0xF6, 0x90) |
3aed4dca | 339 | #define LTTNG_KERNEL_ADD_CALLSITE _IO(0xF6, 0x91) |
07dfc1d0 | 340 | |
d1f652f8 MD |
341 | /* Session FD ioctl (continued) */ |
342 | #define LTTNG_KERNEL_SESSION_LIST_TRACKER_IDS \ | |
343 | _IOR(0xF6, 0xA0, struct lttng_kernel_tracker_args) | |
344 | #define LTTNG_KERNEL_SESSION_TRACK_ID \ | |
345 | _IOR(0xF6, 0xA1, struct lttng_kernel_tracker_args) | |
346 | #define LTTNG_KERNEL_SESSION_UNTRACK_ID \ | |
347 | _IOR(0xF6, 0xA2, struct lttng_kernel_tracker_args) | |
348 | ||
dffef45d FD |
349 | /* Event notifier group file descriptor ioctl */ |
350 | #define LTTNG_KERNEL_EVENT_NOTIFIER_CREATE \ | |
351 | _IOW(0xF6, 0xB0, struct lttng_kernel_event_notifier) | |
21f58fb7 FD |
352 | #define LTTNG_KERNEL_EVENT_NOTIFIER_GROUP_NOTIFICATION_FD \ |
353 | _IO(0xF6, 0xB1) | |
dffef45d | 354 | |
99d223ad FD |
355 | /* Event notifier file descriptor ioctl */ |
356 | #define LTTNG_KERNEL_CAPTURE _IO(0xF6, 0xB8) | |
357 | ||
1aca53e1 MD |
358 | /* |
359 | * LTTng-specific ioctls for the lib ringbuffer. | |
360 | * | |
361 | * Operations applying to the current sub-buffer need to occur between | |
362 | * a get/put or get_next/put_next ioctl pair. | |
363 | */ | |
364 | ||
3b731ab1 JD |
365 | /* returns the timestamp begin of the current sub-buffer */ |
366 | #define LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN _IOR(0xF6, 0x20, uint64_t) | |
367 | /* returns the timestamp end of the current sub-buffer */ | |
368 | #define LTTNG_RING_BUFFER_GET_TIMESTAMP_END _IOR(0xF6, 0x21, uint64_t) | |
1aca53e1 | 369 | /* returns the number of events discarded of the current sub-buffer */ |
3b731ab1 | 370 | #define LTTNG_RING_BUFFER_GET_EVENTS_DISCARDED _IOR(0xF6, 0x22, uint64_t) |
1aca53e1 | 371 | /* returns the packet payload size of the current sub-buffer */ |
3b731ab1 | 372 | #define LTTNG_RING_BUFFER_GET_CONTENT_SIZE _IOR(0xF6, 0x23, uint64_t) |
1aca53e1 | 373 | /* returns the packet size of the current sub-buffer*/ |
3b731ab1 | 374 | #define LTTNG_RING_BUFFER_GET_PACKET_SIZE _IOR(0xF6, 0x24, uint64_t) |
1aca53e1 | 375 | /* returns the stream id (invariant for the stream) */ |
3b731ab1 | 376 | #define LTTNG_RING_BUFFER_GET_STREAM_ID _IOR(0xF6, 0x25, uint64_t) |
1aca53e1 | 377 | /* returns the current timestamp as perceived from the tracer */ |
2348ca17 | 378 | #define LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP _IOR(0xF6, 0x26, uint64_t) |
1aca53e1 | 379 | /* returns the packet sequence number of the current sub-buffer */ |
5b3cf4f9 | 380 | #define LTTNG_RING_BUFFER_GET_SEQ_NUM _IOR(0xF6, 0x27, uint64_t) |
1aca53e1 | 381 | /* returns the stream instance id (invariant for the stream) */ |
5594698f | 382 | #define LTTNG_RING_BUFFER_INSTANCE_ID _IOR(0xF6, 0x28, uint64_t) |
3b731ab1 JD |
383 | |
384 | #ifdef CONFIG_COMPAT | |
385 | /* returns the timestamp begin of the current sub-buffer */ | |
386 | #define LTTNG_RING_BUFFER_COMPAT_GET_TIMESTAMP_BEGIN \ | |
387 | LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN | |
388 | /* returns the timestamp end of the current sub-buffer */ | |
389 | #define LTTNG_RING_BUFFER_COMPAT_GET_TIMESTAMP_END \ | |
390 | LTTNG_RING_BUFFER_GET_TIMESTAMP_END | |
1aca53e1 | 391 | /* returns the number of events discarded of the current sub-buffer */ |
3b731ab1 JD |
392 | #define LTTNG_RING_BUFFER_COMPAT_GET_EVENTS_DISCARDED \ |
393 | LTTNG_RING_BUFFER_GET_EVENTS_DISCARDED | |
1aca53e1 | 394 | /* returns the packet payload size of the current sub-buffer */ |
3b731ab1 JD |
395 | #define LTTNG_RING_BUFFER_COMPAT_GET_CONTENT_SIZE \ |
396 | LTTNG_RING_BUFFER_GET_CONTENT_SIZE | |
1aca53e1 | 397 | /* returns the packet size of the current sub-buffer */ |
3b731ab1 JD |
398 | #define LTTNG_RING_BUFFER_COMPAT_GET_PACKET_SIZE \ |
399 | LTTNG_RING_BUFFER_GET_PACKET_SIZE | |
1aca53e1 | 400 | /* returns the stream id (invariant for the stream) */ |
3b731ab1 JD |
401 | #define LTTNG_RING_BUFFER_COMPAT_GET_STREAM_ID \ |
402 | LTTNG_RING_BUFFER_GET_STREAM_ID | |
1aca53e1 | 403 | /* returns the current timestamp as perceived from the tracer */ |
2348ca17 JD |
404 | #define LTTNG_RING_BUFFER_COMPAT_GET_CURRENT_TIMESTAMP \ |
405 | LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP | |
1aca53e1 | 406 | /* returns the packet sequence number of the current sub-buffer */ |
5b3cf4f9 JD |
407 | #define LTTNG_RING_BUFFER_COMPAT_GET_SEQ_NUM \ |
408 | LTTNG_RING_BUFFER_GET_SEQ_NUM | |
1aca53e1 | 409 | /* returns the stream instance id (invariant for the stream) */ |
5594698f JD |
410 | #define LTTNG_RING_BUFFER_COMPAT_INSTANCE_ID \ |
411 | LTTNG_RING_BUFFER_INSTANCE_ID | |
3b731ab1 JD |
412 | #endif /* CONFIG_COMPAT */ |
413 | ||
e8951e63 | 414 | #endif /* _LTTNG_ABI_H */ |