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9f36eaed MJ |
1 | /* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1) |
2 | * | |
e8951e63 | 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 |
b42d3db8 MD |
24 | |
25 | /* | |
26 | * The expected iso8601 time formats are either: | |
27 | * | |
28 | * - YYYYmmddTHHMMSS+HHMM (20 characters + \0) | |
29 | * - YYYY-mm-ddTHH:MM:SS+HH:MM (25 characters + \0) | |
30 | */ | |
1c88f269 | 31 | #define LTTNG_KERNEL_SESSION_CREATION_TIME_ISO8601_LEN 26 |
d6d808f3 | 32 | |
38d024ae | 33 | enum lttng_kernel_instrumentation { |
4c183524 MD |
34 | LTTNG_KERNEL_TRACEPOINT = 0, |
35 | LTTNG_KERNEL_KPROBE = 1, | |
36 | LTTNG_KERNEL_FUNCTION = 2, | |
7371f44c | 37 | LTTNG_KERNEL_KRETPROBE = 3, |
1ec65de1 | 38 | LTTNG_KERNEL_NOOP = 4, /* not hooked */ |
43880ee8 | 39 | LTTNG_KERNEL_SYSCALL = 5, |
149b9a9d | 40 | LTTNG_KERNEL_UPROBE = 6, |
57a13317 MD |
41 | }; |
42 | ||
96ba7208 JD |
43 | /* |
44 | * LTTng consumer mode | |
45 | */ | |
46 | enum lttng_kernel_output { | |
47 | LTTNG_KERNEL_SPLICE = 0, | |
48 | LTTNG_KERNEL_MMAP = 1, | |
49 | }; | |
50 | ||
57a13317 MD |
51 | /* |
52 | * LTTng DebugFS ABI structures. | |
53 | */ | |
8e099bae | 54 | #define LTTNG_KERNEL_CHANNEL_PADDING LTTNG_KERNEL_SYM_NAME_LEN + 32 |
38d024ae | 55 | struct lttng_kernel_channel { |
9e245ead | 56 | uint64_t subbuf_size; /* in bytes */ |
80c16bcf | 57 | uint64_t num_subbuf; |
9e245ead MD |
58 | unsigned int switch_timer_interval; /* usecs */ |
59 | unsigned int read_timer_interval; /* usecs */ | |
96ba7208 | 60 | enum lttng_kernel_output output; /* splice, mmap */ |
6dccd6c1 | 61 | int overwrite; /* 1: overwrite, 0: discard */ |
8e099bae | 62 | char padding[LTTNG_KERNEL_CHANNEL_PADDING]; |
1a598612 | 63 | } __attribute__((packed)); |
57a13317 | 64 | |
7371f44c MD |
65 | struct lttng_kernel_kretprobe { |
66 | uint64_t addr; | |
67 | ||
68 | uint64_t offset; | |
f8695253 | 69 | char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN]; |
1a598612 | 70 | } __attribute__((packed)); |
7371f44c | 71 | |
38d024ae MD |
72 | /* |
73 | * Either addr is used, or symbol_name and offset. | |
74 | */ | |
75 | struct lttng_kernel_kprobe { | |
80c16bcf | 76 | uint64_t addr; |
38d024ae | 77 | |
80c16bcf | 78 | uint64_t offset; |
f8695253 | 79 | char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN]; |
1a598612 | 80 | } __attribute__((packed)); |
d6d808f3 | 81 | |
f17701fb | 82 | struct lttng_kernel_function_tracer { |
f8695253 | 83 | char symbol_name[LTTNG_KERNEL_SYM_NAME_LEN]; |
1a598612 | 84 | } __attribute__((packed)); |
f17701fb | 85 | |
149b9a9d | 86 | struct lttng_kernel_uprobe { |
56377c91 | 87 | int fd; |
3aed4dca FD |
88 | } __attribute__((packed)); |
89 | ||
90 | struct lttng_kernel_event_callsite_uprobe { | |
149b9a9d YB |
91 | uint64_t offset; |
92 | } __attribute__((packed)); | |
93 | ||
3aed4dca FD |
94 | struct lttng_kernel_event_callsite { |
95 | union { | |
96 | struct lttng_kernel_event_callsite_uprobe uprobe; | |
97 | } u; | |
98 | } __attribute__((packed)); | |
99 | ||
ad594e3a MD |
100 | enum lttng_kernel_syscall_entryexit { |
101 | LTTNG_KERNEL_SYSCALL_ENTRYEXIT = 0, | |
102 | LTTNG_KERNEL_SYSCALL_ENTRY = 1, /* Not implemented. */ | |
103 | LTTNG_KERNEL_SYSCALL_EXIT = 2, /* Not implemented. */ | |
104 | }; | |
105 | ||
106 | enum lttng_kernel_syscall_abi { | |
107 | LTTNG_KERNEL_SYSCALL_ABI_ALL = 0, | |
108 | LTTNG_KERNEL_SYSCALL_ABI_NATIVE = 1, /* Not implemented. */ | |
109 | LTTNG_KERNEL_SYSCALL_ABI_COMPAT = 2, /* Not implemented. */ | |
110 | }; | |
111 | ||
112 | enum lttng_kernel_syscall_match { | |
113 | LTTNG_SYSCALL_MATCH_NAME = 0, | |
114 | LTTNG_SYSCALL_MATCH_NR = 1, /* Not implemented. */ | |
115 | }; | |
116 | ||
117 | struct lttng_kernel_syscall { | |
118 | uint8_t entryexit; /* enum lttng_kernel_syscall_entryexit */ | |
119 | uint8_t abi; /* enum lttng_kernel_syscall_abi */ | |
120 | uint8_t match; /* enum lttng_kernel_syscall_match */ | |
121 | uint8_t padding; | |
122 | uint32_t nr; /* For LTTNG_SYSCALL_MATCH_NR */ | |
123 | } __attribute__((packed)); | |
124 | ||
43880ee8 | 125 | /* |
3c997079 | 126 | * For syscall tracing, name = "*" means "enable all". |
43880ee8 | 127 | */ |
8e099bae MD |
128 | #define LTTNG_KERNEL_EVENT_PADDING1 16 |
129 | #define LTTNG_KERNEL_EVENT_PADDING2 LTTNG_KERNEL_SYM_NAME_LEN + 32 | |
d6d808f3 | 130 | struct lttng_kernel_event { |
f8695253 | 131 | char name[LTTNG_KERNEL_SYM_NAME_LEN]; /* event name */ |
d6d808f3 | 132 | enum lttng_kernel_instrumentation instrumentation; |
8e099bae MD |
133 | char padding[LTTNG_KERNEL_EVENT_PADDING1]; |
134 | ||
d6d808f3 MD |
135 | /* Per instrumentation type configuration */ |
136 | union { | |
7371f44c | 137 | struct lttng_kernel_kretprobe kretprobe; |
d6d808f3 | 138 | struct lttng_kernel_kprobe kprobe; |
f17701fb | 139 | struct lttng_kernel_function_tracer ftrace; |
149b9a9d | 140 | struct lttng_kernel_uprobe uprobe; |
ad594e3a | 141 | struct lttng_kernel_syscall syscall; |
8e099bae | 142 | char padding[LTTNG_KERNEL_EVENT_PADDING2]; |
d6d808f3 | 143 | } u; |
1a598612 | 144 | } __attribute__((packed)); |
c099397a | 145 | |
80c16bcf | 146 | struct lttng_kernel_tracer_version { |
c6c9e10f MD |
147 | uint32_t major; |
148 | uint32_t minor; | |
80c16bcf | 149 | uint32_t patchlevel; |
1a598612 | 150 | } __attribute__((packed)); |
80c16bcf | 151 | |
42cabb80 MD |
152 | struct lttng_kernel_tracer_abi_version { |
153 | uint32_t major; | |
154 | uint32_t minor; | |
155 | } __attribute__((packed)); | |
156 | ||
7f859fbf JR |
157 | struct lttng_kernel_session_name { |
158 | char name[LTTNG_KERNEL_SESSION_NAME_LEN]; | |
159 | } __attribute__((packed)); | |
160 | ||
1c88f269 JR |
161 | struct lttng_kernel_session_creation_time { |
162 | char iso8601[LTTNG_KERNEL_SESSION_CREATION_TIME_ISO8601_LEN]; | |
163 | } __attribute__((packed)); | |
164 | ||
3db41b2c MD |
165 | enum lttng_kernel_calibrate_type { |
166 | LTTNG_KERNEL_CALIBRATE_KRETPROBE, | |
57105fc2 MD |
167 | }; |
168 | ||
3db41b2c MD |
169 | struct lttng_kernel_calibrate { |
170 | enum lttng_kernel_calibrate_type type; /* type (input) */ | |
1a598612 | 171 | } __attribute__((packed)); |
57105fc2 | 172 | |
12e579db MD |
173 | struct lttng_kernel_syscall_mask { |
174 | uint32_t len; /* in bits */ | |
175 | char mask[]; | |
176 | } __attribute__((packed)); | |
177 | ||
12a313a5 | 178 | enum lttng_kernel_context_type { |
4c183524 MD |
179 | LTTNG_KERNEL_CONTEXT_PID = 0, |
180 | LTTNG_KERNEL_CONTEXT_PERF_COUNTER = 1, | |
a2563e83 | 181 | LTTNG_KERNEL_CONTEXT_PROCNAME = 2, |
4c183524 MD |
182 | LTTNG_KERNEL_CONTEXT_PRIO = 3, |
183 | LTTNG_KERNEL_CONTEXT_NICE = 4, | |
184 | LTTNG_KERNEL_CONTEXT_VPID = 5, | |
185 | LTTNG_KERNEL_CONTEXT_TID = 6, | |
186 | LTTNG_KERNEL_CONTEXT_VTID = 7, | |
187 | LTTNG_KERNEL_CONTEXT_PPID = 8, | |
188 | LTTNG_KERNEL_CONTEXT_VPPID = 9, | |
975da2c0 | 189 | LTTNG_KERNEL_CONTEXT_HOSTNAME = 10, |
b3699d90 | 190 | LTTNG_KERNEL_CONTEXT_CPU_ID = 11, |
79150a49 JD |
191 | LTTNG_KERNEL_CONTEXT_INTERRUPTIBLE = 12, |
192 | LTTNG_KERNEL_CONTEXT_PREEMPTIBLE = 13, | |
193 | LTTNG_KERNEL_CONTEXT_NEED_RESCHEDULE = 14, | |
194 | LTTNG_KERNEL_CONTEXT_MIGRATABLE = 15, | |
2fa2d39a FG |
195 | LTTNG_KERNEL_CONTEXT_CALLSTACK_KERNEL = 16, |
196 | LTTNG_KERNEL_CONTEXT_CALLSTACK_USER = 17, | |
a6cf40a4 MJ |
197 | LTTNG_KERNEL_CONTEXT_CGROUP_NS = 18, |
198 | LTTNG_KERNEL_CONTEXT_IPC_NS = 19, | |
199 | LTTNG_KERNEL_CONTEXT_MNT_NS = 20, | |
200 | LTTNG_KERNEL_CONTEXT_NET_NS = 21, | |
201 | LTTNG_KERNEL_CONTEXT_PID_NS = 22, | |
202 | LTTNG_KERNEL_CONTEXT_USER_NS = 23, | |
203 | LTTNG_KERNEL_CONTEXT_UTS_NS = 24, | |
dc923e75 MJ |
204 | LTTNG_KERNEL_CONTEXT_UID = 25, |
205 | LTTNG_KERNEL_CONTEXT_EUID = 26, | |
206 | LTTNG_KERNEL_CONTEXT_SUID = 27, | |
207 | LTTNG_KERNEL_CONTEXT_GID = 28, | |
208 | LTTNG_KERNEL_CONTEXT_EGID = 29, | |
209 | LTTNG_KERNEL_CONTEXT_SGID = 30, | |
210 | LTTNG_KERNEL_CONTEXT_VUID = 31, | |
211 | LTTNG_KERNEL_CONTEXT_VEUID = 32, | |
212 | LTTNG_KERNEL_CONTEXT_VSUID = 33, | |
213 | LTTNG_KERNEL_CONTEXT_VGID = 34, | |
214 | LTTNG_KERNEL_CONTEXT_VEGID = 35, | |
215 | LTTNG_KERNEL_CONTEXT_VSGID = 36, | |
8070f5c0 MD |
216 | }; |
217 | ||
218 | struct lttng_kernel_perf_counter_ctx { | |
219 | uint32_t type; | |
220 | uint64_t config; | |
f8695253 | 221 | char name[LTTNG_KERNEL_SYM_NAME_LEN]; |
1a598612 | 222 | } __attribute__((packed)); |
8070f5c0 | 223 | |
8e099bae MD |
224 | #define LTTNG_KERNEL_CONTEXT_PADDING1 16 |
225 | #define LTTNG_KERNEL_CONTEXT_PADDING2 LTTNG_KERNEL_SYM_NAME_LEN + 32 | |
8070f5c0 | 226 | struct lttng_kernel_context { |
12a313a5 | 227 | enum lttng_kernel_context_type ctx; |
8e099bae MD |
228 | char padding[LTTNG_KERNEL_CONTEXT_PADDING1]; |
229 | ||
8070f5c0 | 230 | union { |
8070f5c0 | 231 | struct lttng_kernel_perf_counter_ctx perf_counter; |
8e099bae | 232 | char padding[LTTNG_KERNEL_CONTEXT_PADDING2]; |
8070f5c0 | 233 | } u; |
1a598612 | 234 | } __attribute__((packed)); |
8070f5c0 | 235 | |
f127e61e | 236 | #define LTTNG_KERNEL_FILTER_BYTECODE_MAX_LEN 65536 |
07dfc1d0 MD |
237 | struct lttng_kernel_filter_bytecode { |
238 | uint32_t len; | |
239 | uint32_t reloc_offset; | |
240 | uint64_t seqnum; | |
ad48a5c0 | 241 | char data[]; |
07dfc1d0 MD |
242 | } __attribute__((packed)); |
243 | ||
d1f652f8 MD |
244 | enum lttng_kernel_tracker_type { |
245 | LTTNG_KERNEL_TRACKER_UNKNOWN = -1, | |
246 | ||
247 | LTTNG_KERNEL_TRACKER_PID = 0, | |
248 | LTTNG_KERNEL_TRACKER_VPID = 1, | |
249 | LTTNG_KERNEL_TRACKER_UID = 2, | |
250 | LTTNG_KERNEL_TRACKER_VUID = 3, | |
251 | LTTNG_KERNEL_TRACKER_GID = 4, | |
252 | LTTNG_KERNEL_TRACKER_VGID = 5, | |
253 | }; | |
254 | ||
255 | struct lttng_kernel_tracker_args { | |
256 | enum lttng_kernel_tracker_type type; | |
257 | int32_t id; | |
258 | }; | |
259 | ||
33749530 | 260 | /* LTTng file descriptor ioctl */ |
436f6407 | 261 | /* lttng-abi-old.h reserve 0x40, 0x41, 0x42, 0x43, and 0x44. */ |
6dccd6c1 | 262 | #define LTTNG_KERNEL_SESSION _IO(0xF6, 0x45) |
33749530 | 263 | #define LTTNG_KERNEL_TRACER_VERSION \ |
6dccd6c1 JD |
264 | _IOR(0xF6, 0x46, struct lttng_kernel_tracer_version) |
265 | #define LTTNG_KERNEL_TRACEPOINT_LIST _IO(0xF6, 0x47) | |
266 | #define LTTNG_KERNEL_WAIT_QUIESCENT _IO(0xF6, 0x48) | |
57105fc2 | 267 | #define LTTNG_KERNEL_CALIBRATE \ |
6dccd6c1 | 268 | _IOWR(0xF6, 0x49, struct lttng_kernel_calibrate) |
29c956bb | 269 | #define LTTNG_KERNEL_SYSCALL_LIST _IO(0xF6, 0x4A) |
42cabb80 MD |
270 | #define LTTNG_KERNEL_TRACER_ABI_VERSION \ |
271 | _IOR(0xF6, 0x4B, struct lttng_kernel_tracer_abi_version) | |
33749530 MD |
272 | |
273 | /* Session FD ioctl */ | |
436f6407 | 274 | /* lttng-abi-old.h reserve 0x50, 0x51, 0x52, and 0x53. */ |
33749530 | 275 | #define LTTNG_KERNEL_METADATA \ |
6dccd6c1 | 276 | _IOW(0xF6, 0x54, struct lttng_kernel_channel) |
ab2277d6 | 277 | #define LTTNG_KERNEL_CHANNEL \ |
6dccd6c1 JD |
278 | _IOW(0xF6, 0x55, struct lttng_kernel_channel) |
279 | #define LTTNG_KERNEL_SESSION_START _IO(0xF6, 0x56) | |
280 | #define LTTNG_KERNEL_SESSION_STOP _IO(0xF6, 0x57) | |
e0130fab MD |
281 | #define LTTNG_KERNEL_SESSION_TRACK_PID \ |
282 | _IOR(0xF6, 0x58, int32_t) | |
283 | #define LTTNG_KERNEL_SESSION_UNTRACK_PID \ | |
284 | _IOR(0xF6, 0x59, int32_t) | |
d1f652f8 | 285 | |
fe40f016 MD |
286 | /* |
287 | * ioctl 0x58 and 0x59 are duplicated here. It works, since _IOR vs _IO | |
288 | * are generating two different ioctl numbers, but this was not done on | |
289 | * purpose. We should generally try to avoid those duplications. | |
290 | */ | |
7e6f9ef6 | 291 | #define LTTNG_KERNEL_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58) |
9616f0bf | 292 | #define LTTNG_KERNEL_SESSION_METADATA_REGEN _IO(0xF6, 0x59) |
7f859fbf | 293 | |
436f6407 | 294 | /* lttng-abi-old.h reserve 0x5A and 0x5B. */ |
601252cf | 295 | #define LTTNG_KERNEL_SESSION_STATEDUMP _IO(0xF6, 0x5C) |
7f859fbf JR |
296 | #define LTTNG_KERNEL_SESSION_SET_NAME \ |
297 | _IOR(0xF6, 0x5D, struct lttng_kernel_session_name) | |
1c88f269 JR |
298 | #define LTTNG_KERNEL_SESSION_SET_CREATION_TIME \ |
299 | _IOR(0xF6, 0x5E, struct lttng_kernel_session_creation_time) | |
33749530 MD |
300 | |
301 | /* Channel FD ioctl */ | |
436f6407 | 302 | /* lttng-abi-old.h reserve 0x60 and 0x61. */ |
6dccd6c1 | 303 | #define LTTNG_KERNEL_STREAM _IO(0xF6, 0x62) |
ab2277d6 | 304 | #define LTTNG_KERNEL_EVENT \ |
6dccd6c1 | 305 | _IOW(0xF6, 0x63, struct lttng_kernel_event) |
12e579db MD |
306 | #define LTTNG_KERNEL_SYSCALL_MASK \ |
307 | _IOWR(0xF6, 0x64, struct lttng_kernel_syscall_mask) | |
57a13317 | 308 | |
8070f5c0 | 309 | /* Event and Channel FD ioctl */ |
436f6407 | 310 | /* lttng-abi-old.h reserve 0x70. */ |
8070f5c0 | 311 | #define LTTNG_KERNEL_CONTEXT \ |
6dccd6c1 | 312 | _IOW(0xF6, 0x71, struct lttng_kernel_context) |
8070f5c0 | 313 | |
e64957da | 314 | /* Event, Channel and Session ioctl */ |
436f6407 | 315 | /* lttng-abi-old.h reserve 0x80 and 0x81. */ |
6dccd6c1 JD |
316 | #define LTTNG_KERNEL_ENABLE _IO(0xF6, 0x82) |
317 | #define LTTNG_KERNEL_DISABLE _IO(0xF6, 0x83) | |
e64957da | 318 | |
07dfc1d0 MD |
319 | /* Event FD ioctl */ |
320 | #define LTTNG_KERNEL_FILTER _IO(0xF6, 0x90) | |
3aed4dca | 321 | #define LTTNG_KERNEL_ADD_CALLSITE _IO(0xF6, 0x91) |
07dfc1d0 | 322 | |
d1f652f8 MD |
323 | /* Session FD ioctl (continued) */ |
324 | #define LTTNG_KERNEL_SESSION_LIST_TRACKER_IDS \ | |
325 | _IOR(0xF6, 0xA0, struct lttng_kernel_tracker_args) | |
326 | #define LTTNG_KERNEL_SESSION_TRACK_ID \ | |
327 | _IOR(0xF6, 0xA1, struct lttng_kernel_tracker_args) | |
328 | #define LTTNG_KERNEL_SESSION_UNTRACK_ID \ | |
329 | _IOR(0xF6, 0xA2, struct lttng_kernel_tracker_args) | |
330 | ||
1aca53e1 MD |
331 | /* |
332 | * LTTng-specific ioctls for the lib ringbuffer. | |
333 | * | |
334 | * Operations applying to the current sub-buffer need to occur between | |
335 | * a get/put or get_next/put_next ioctl pair. | |
336 | */ | |
337 | ||
3b731ab1 JD |
338 | /* returns the timestamp begin of the current sub-buffer */ |
339 | #define LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN _IOR(0xF6, 0x20, uint64_t) | |
340 | /* returns the timestamp end of the current sub-buffer */ | |
341 | #define LTTNG_RING_BUFFER_GET_TIMESTAMP_END _IOR(0xF6, 0x21, uint64_t) | |
1aca53e1 | 342 | /* returns the number of events discarded of the current sub-buffer */ |
3b731ab1 | 343 | #define LTTNG_RING_BUFFER_GET_EVENTS_DISCARDED _IOR(0xF6, 0x22, uint64_t) |
1aca53e1 | 344 | /* returns the packet payload size of the current sub-buffer */ |
3b731ab1 | 345 | #define LTTNG_RING_BUFFER_GET_CONTENT_SIZE _IOR(0xF6, 0x23, uint64_t) |
1aca53e1 | 346 | /* returns the packet size of the current sub-buffer*/ |
3b731ab1 | 347 | #define LTTNG_RING_BUFFER_GET_PACKET_SIZE _IOR(0xF6, 0x24, uint64_t) |
1aca53e1 | 348 | /* returns the stream id (invariant for the stream) */ |
3b731ab1 | 349 | #define LTTNG_RING_BUFFER_GET_STREAM_ID _IOR(0xF6, 0x25, uint64_t) |
1aca53e1 | 350 | /* returns the current timestamp as perceived from the tracer */ |
2348ca17 | 351 | #define LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP _IOR(0xF6, 0x26, uint64_t) |
1aca53e1 | 352 | /* returns the packet sequence number of the current sub-buffer */ |
5b3cf4f9 | 353 | #define LTTNG_RING_BUFFER_GET_SEQ_NUM _IOR(0xF6, 0x27, uint64_t) |
1aca53e1 | 354 | /* returns the stream instance id (invariant for the stream) */ |
5594698f | 355 | #define LTTNG_RING_BUFFER_INSTANCE_ID _IOR(0xF6, 0x28, uint64_t) |
3b731ab1 JD |
356 | |
357 | #ifdef CONFIG_COMPAT | |
358 | /* returns the timestamp begin of the current sub-buffer */ | |
359 | #define LTTNG_RING_BUFFER_COMPAT_GET_TIMESTAMP_BEGIN \ | |
360 | LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN | |
361 | /* returns the timestamp end of the current sub-buffer */ | |
362 | #define LTTNG_RING_BUFFER_COMPAT_GET_TIMESTAMP_END \ | |
363 | LTTNG_RING_BUFFER_GET_TIMESTAMP_END | |
1aca53e1 | 364 | /* returns the number of events discarded of the current sub-buffer */ |
3b731ab1 JD |
365 | #define LTTNG_RING_BUFFER_COMPAT_GET_EVENTS_DISCARDED \ |
366 | LTTNG_RING_BUFFER_GET_EVENTS_DISCARDED | |
1aca53e1 | 367 | /* returns the packet payload size of the current sub-buffer */ |
3b731ab1 JD |
368 | #define LTTNG_RING_BUFFER_COMPAT_GET_CONTENT_SIZE \ |
369 | LTTNG_RING_BUFFER_GET_CONTENT_SIZE | |
1aca53e1 | 370 | /* returns the packet size of the current sub-buffer */ |
3b731ab1 JD |
371 | #define LTTNG_RING_BUFFER_COMPAT_GET_PACKET_SIZE \ |
372 | LTTNG_RING_BUFFER_GET_PACKET_SIZE | |
1aca53e1 | 373 | /* returns the stream id (invariant for the stream) */ |
3b731ab1 JD |
374 | #define LTTNG_RING_BUFFER_COMPAT_GET_STREAM_ID \ |
375 | LTTNG_RING_BUFFER_GET_STREAM_ID | |
1aca53e1 | 376 | /* returns the current timestamp as perceived from the tracer */ |
2348ca17 JD |
377 | #define LTTNG_RING_BUFFER_COMPAT_GET_CURRENT_TIMESTAMP \ |
378 | LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP | |
1aca53e1 | 379 | /* returns the packet sequence number of the current sub-buffer */ |
5b3cf4f9 JD |
380 | #define LTTNG_RING_BUFFER_COMPAT_GET_SEQ_NUM \ |
381 | LTTNG_RING_BUFFER_GET_SEQ_NUM | |
1aca53e1 | 382 | /* returns the stream instance id (invariant for the stream) */ |
5594698f JD |
383 | #define LTTNG_RING_BUFFER_COMPAT_INSTANCE_ID \ |
384 | LTTNG_RING_BUFFER_INSTANCE_ID | |
3b731ab1 JD |
385 | #endif /* CONFIG_COMPAT */ |
386 | ||
e8951e63 | 387 | #endif /* _LTTNG_ABI_H */ |