1 /* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
7 * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
14 #include <linux/types.h>
17 * Major/minor version of ABI exposed to lttng tools. Major number
18 * should be increased when an incompatible ABI change is done.
20 #define LTTNG_KERNEL_ABI_MAJOR_VERSION 2
21 #define LTTNG_KERNEL_ABI_MINOR_VERSION 6
23 #define LTTNG_KERNEL_ABI_SYM_NAME_LEN 256
24 #define LTTNG_KERNEL_ABI_SESSION_NAME_LEN 256
27 * The expected iso8601 time formats are either:
29 * - YYYYmmddTHHMMSS+HHMM (20 characters + \0)
30 * - YYYY-mm-ddTHH:MM:SS+HH:MM (25 characters + \0)
32 #define LTTNG_KERNEL_ABI_SESSION_CREATION_TIME_ISO8601_LEN 26
34 enum lttng_kernel_abi_instrumentation
{
35 LTTNG_KERNEL_ABI_TRACEPOINT
= 0,
36 LTTNG_KERNEL_ABI_KPROBE
= 1,
37 LTTNG_KERNEL_ABI_FUNCTION
= 2,
38 LTTNG_KERNEL_ABI_KRETPROBE
= 3,
39 LTTNG_KERNEL_ABI_NOOP
= 4, /* not hooked */
40 LTTNG_KERNEL_ABI_SYSCALL
= 5,
41 LTTNG_KERNEL_ABI_UPROBE
= 6,
47 enum lttng_kernel_abi_output
{
48 LTTNG_KERNEL_ABI_SPLICE
= 0,
49 LTTNG_KERNEL_ABI_MMAP
= 1,
53 * LTTng DebugFS ABI structures.
55 #define LTTNG_KERNEL_ABI_CHANNEL_PADDING LTTNG_KERNEL_ABI_SYM_NAME_LEN + 32
56 struct lttng_kernel_abi_channel
{
57 uint64_t subbuf_size
; /* in bytes */
59 unsigned int switch_timer_interval
; /* usecs */
60 unsigned int read_timer_interval
; /* usecs */
61 uint32_t output
; /* enum lttng_kernel_abi_output (splice, mmap) */
62 int overwrite
; /* 1: overwrite, 0: discard */
63 char padding
[LTTNG_KERNEL_ABI_CHANNEL_PADDING
];
64 } __attribute__((packed
));
66 enum lttng_kernel_abi_kretprobe_entryexit
{
67 LTTNG_KERNEL_ABI_KRETPROBE_ENTRYEXIT
= 0,
68 LTTNG_KERNEL_ABI_KRETPROBE_ENTRY
= 1,
69 LTTNG_KERNEL_ABI_KRETPROBE_EXIT
= 2,
72 struct lttng_kernel_abi_kretprobe
{
76 char symbol_name
[LTTNG_KERNEL_ABI_SYM_NAME_LEN
];
77 uint8_t entryexit
; /* enum lttng_kernel_abi_kretprobe_entryexit */
78 } __attribute__((packed
));
81 * Either addr is used, or symbol_name and offset.
83 struct lttng_kernel_abi_kprobe
{
87 char symbol_name
[LTTNG_KERNEL_ABI_SYM_NAME_LEN
];
88 } __attribute__((packed
));
90 struct lttng_kernel_abi_function_tracer
{
91 char symbol_name
[LTTNG_KERNEL_ABI_SYM_NAME_LEN
];
92 } __attribute__((packed
));
94 struct lttng_kernel_abi_uprobe
{
96 } __attribute__((packed
));
98 struct lttng_kernel_abi_event_callsite_uprobe
{
100 } __attribute__((packed
));
102 struct lttng_kernel_abi_event_callsite
{
104 struct lttng_kernel_abi_event_callsite_uprobe uprobe
;
106 } __attribute__((packed
));
108 enum lttng_kernel_abi_syscall_entryexit
{
109 LTTNG_KERNEL_ABI_SYSCALL_ENTRYEXIT
= 0,
110 LTTNG_KERNEL_ABI_SYSCALL_ENTRY
= 1,
111 LTTNG_KERNEL_ABI_SYSCALL_EXIT
= 2,
114 enum lttng_kernel_abi_syscall_abi
{
115 LTTNG_KERNEL_ABI_SYSCALL_ABI_ALL
= 0,
116 LTTNG_KERNEL_ABI_SYSCALL_ABI_NATIVE
= 1,
117 LTTNG_KERNEL_ABI_SYSCALL_ABI_COMPAT
= 2,
120 enum lttng_kernel_abi_syscall_match
{
121 LTTNG_KERNEL_ABI_SYSCALL_MATCH_NAME
= 0,
122 LTTNG_KERNEL_ABI_SYSCALL_MATCH_NR
= 1, /* Not implemented. */
125 struct lttng_kernel_abi_syscall
{
126 uint8_t entryexit
; /* enum lttng_kernel_abi_syscall_entryexit */
127 uint8_t abi
; /* enum lttng_kernel_abi_syscall_abi */
128 uint8_t match
; /* enum lttng_kernel_abi_syscall_match */
130 uint32_t nr
; /* For LTTNG_SYSCALL_MATCH_NR */
131 } __attribute__((packed
));
134 * For syscall tracing, name = "*" means "enable all".
136 #define LTTNG_KERNEL_ABI_EVENT_PADDING1 8
137 #define LTTNG_KERNEL_ABI_EVENT_PADDING2 LTTNG_KERNEL_ABI_SYM_NAME_LEN + 32
138 struct lttng_kernel_abi_event
{
139 char name
[LTTNG_KERNEL_ABI_SYM_NAME_LEN
]; /* event name */
140 uint32_t instrumentation
; /* enum lttng_kernel_abi_instrumentation */
141 uint64_t token
; /* User-provided token */
142 char padding
[LTTNG_KERNEL_ABI_EVENT_PADDING1
];
144 /* Per instrumentation type configuration */
146 struct lttng_kernel_abi_kretprobe kretprobe
;
147 struct lttng_kernel_abi_kprobe kprobe
;
148 struct lttng_kernel_abi_function_tracer ftrace
;
149 struct lttng_kernel_abi_uprobe uprobe
;
150 struct lttng_kernel_abi_syscall syscall
;
151 char padding
[LTTNG_KERNEL_ABI_EVENT_PADDING2
];
153 } __attribute__((packed
));
155 #define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_PADDING 32
156 struct lttng_kernel_abi_event_notifier
{
157 struct lttng_kernel_abi_event event
;
158 uint64_t error_counter_index
;
160 char padding
[LTTNG_KERNEL_ABI_EVENT_NOTIFIER_PADDING
];
161 } __attribute__((packed
));
163 #define LTTNG_KERNEL_ABI_COUNTER_DIMENSION_MAX 4
165 enum lttng_kernel_abi_counter_arithmetic
{
166 LTTNG_KERNEL_ABI_COUNTER_ARITHMETIC_MODULAR
= 0,
169 enum lttng_kernel_abi_counter_bitness
{
170 LTTNG_KERNEL_ABI_COUNTER_BITNESS_32
= 0,
171 LTTNG_KERNEL_ABI_COUNTER_BITNESS_64
= 1,
174 struct lttng_kernel_abi_counter_dimension
{
176 uint64_t underflow_index
;
177 uint64_t overflow_index
;
178 uint8_t has_underflow
;
179 uint8_t has_overflow
;
180 } __attribute__((packed
));
182 #define LTTNG_KERNEL_ABI_COUNTER_CONF_PADDING1 67
183 struct lttng_kernel_abi_counter_conf
{
184 uint32_t arithmetic
; /* enum lttng_kernel_abi_counter_arithmetic */
185 uint32_t bitness
; /* enum lttng_kernel_abi_counter_bitness */
186 uint32_t number_dimensions
;
187 int64_t global_sum_step
;
188 struct lttng_kernel_abi_counter_dimension dimensions
[LTTNG_KERNEL_ABI_COUNTER_DIMENSION_MAX
];
189 uint8_t coalesce_hits
;
190 char padding
[LTTNG_KERNEL_ABI_COUNTER_CONF_PADDING1
];
191 } __attribute__((packed
));
193 struct lttng_kernel_abi_counter_index
{
194 uint32_t number_dimensions
;
195 uint64_t dimension_indexes
[LTTNG_KERNEL_ABI_COUNTER_DIMENSION_MAX
];
196 } __attribute__((packed
));
198 struct lttng_kernel_abi_counter_value
{
202 } __attribute__((packed
));
204 #define LTTNG_KERNEL_ABI_COUNTER_READ_PADDING 32
205 struct lttng_kernel_abi_counter_read
{
206 struct lttng_kernel_abi_counter_index index
;
207 int32_t cpu
; /* -1 for global counter, >= 0 for specific cpu. */
208 struct lttng_kernel_abi_counter_value value
; /* output */
209 char padding
[LTTNG_KERNEL_ABI_COUNTER_READ_PADDING
];
210 } __attribute__((packed
));
212 #define LTTNG_KERNEL_ABI_COUNTER_AGGREGATE_PADDING 32
213 struct lttng_kernel_abi_counter_aggregate
{
214 struct lttng_kernel_abi_counter_index index
;
215 struct lttng_kernel_abi_counter_value value
; /* output */
216 char padding
[LTTNG_KERNEL_ABI_COUNTER_AGGREGATE_PADDING
];
217 } __attribute__((packed
));
219 #define LTTNG_KERNEL_ABI_COUNTER_CLEAR_PADDING 32
220 struct lttng_kernel_abi_counter_clear
{
221 struct lttng_kernel_abi_counter_index index
;
222 char padding
[LTTNG_KERNEL_ABI_COUNTER_CLEAR_PADDING
];
223 } __attribute__((packed
));
225 #define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_NOTIFICATION_PADDING 32
226 struct lttng_kernel_abi_event_notifier_notification
{
228 uint16_t capture_buf_size
;
229 char padding
[LTTNG_KERNEL_ABI_EVENT_NOTIFIER_NOTIFICATION_PADDING
];
230 } __attribute__((packed
));
232 struct lttng_kernel_abi_tracer_version
{
236 } __attribute__((packed
));
238 struct lttng_kernel_abi_tracer_abi_version
{
241 } __attribute__((packed
));
243 struct lttng_kernel_abi_session_name
{
244 char name
[LTTNG_KERNEL_ABI_SESSION_NAME_LEN
];
245 } __attribute__((packed
));
247 struct lttng_kernel_abi_session_creation_time
{
248 char iso8601
[LTTNG_KERNEL_ABI_SESSION_CREATION_TIME_ISO8601_LEN
];
249 } __attribute__((packed
));
251 enum lttng_kernel_abi_calibrate_type
{
252 LTTNG_KERNEL_ABI_CALIBRATE_KRETPROBE
,
255 struct lttng_kernel_abi_calibrate
{
256 uint32_t type
; /* enum lttng_kernel_abi_calibrate_type (input) */
257 } __attribute__((packed
));
259 struct lttng_kernel_abi_syscall_mask
{
260 uint32_t len
; /* in bits */
262 } __attribute__((packed
));
264 enum lttng_kernel_abi_context_type
{
265 LTTNG_KERNEL_ABI_CONTEXT_PID
= 0,
266 LTTNG_KERNEL_ABI_CONTEXT_PERF_COUNTER
= 1,
267 LTTNG_KERNEL_ABI_CONTEXT_PROCNAME
= 2,
268 LTTNG_KERNEL_ABI_CONTEXT_PRIO
= 3,
269 LTTNG_KERNEL_ABI_CONTEXT_NICE
= 4,
270 LTTNG_KERNEL_ABI_CONTEXT_VPID
= 5,
271 LTTNG_KERNEL_ABI_CONTEXT_TID
= 6,
272 LTTNG_KERNEL_ABI_CONTEXT_VTID
= 7,
273 LTTNG_KERNEL_ABI_CONTEXT_PPID
= 8,
274 LTTNG_KERNEL_ABI_CONTEXT_VPPID
= 9,
275 LTTNG_KERNEL_ABI_CONTEXT_HOSTNAME
= 10,
276 LTTNG_KERNEL_ABI_CONTEXT_CPU_ID
= 11,
277 LTTNG_KERNEL_ABI_CONTEXT_INTERRUPTIBLE
= 12,
278 LTTNG_KERNEL_ABI_CONTEXT_PREEMPTIBLE
= 13,
279 LTTNG_KERNEL_ABI_CONTEXT_NEED_RESCHEDULE
= 14,
280 LTTNG_KERNEL_ABI_CONTEXT_MIGRATABLE
= 15,
281 LTTNG_KERNEL_ABI_CONTEXT_CALLSTACK_KERNEL
= 16,
282 LTTNG_KERNEL_ABI_CONTEXT_CALLSTACK_USER
= 17,
283 LTTNG_KERNEL_ABI_CONTEXT_CGROUP_NS
= 18,
284 LTTNG_KERNEL_ABI_CONTEXT_IPC_NS
= 19,
285 LTTNG_KERNEL_ABI_CONTEXT_MNT_NS
= 20,
286 LTTNG_KERNEL_ABI_CONTEXT_NET_NS
= 21,
287 LTTNG_KERNEL_ABI_CONTEXT_PID_NS
= 22,
288 LTTNG_KERNEL_ABI_CONTEXT_USER_NS
= 23,
289 LTTNG_KERNEL_ABI_CONTEXT_UTS_NS
= 24,
290 LTTNG_KERNEL_ABI_CONTEXT_UID
= 25,
291 LTTNG_KERNEL_ABI_CONTEXT_EUID
= 26,
292 LTTNG_KERNEL_ABI_CONTEXT_SUID
= 27,
293 LTTNG_KERNEL_ABI_CONTEXT_GID
= 28,
294 LTTNG_KERNEL_ABI_CONTEXT_EGID
= 29,
295 LTTNG_KERNEL_ABI_CONTEXT_SGID
= 30,
296 LTTNG_KERNEL_ABI_CONTEXT_VUID
= 31,
297 LTTNG_KERNEL_ABI_CONTEXT_VEUID
= 32,
298 LTTNG_KERNEL_ABI_CONTEXT_VSUID
= 33,
299 LTTNG_KERNEL_ABI_CONTEXT_VGID
= 34,
300 LTTNG_KERNEL_ABI_CONTEXT_VEGID
= 35,
301 LTTNG_KERNEL_ABI_CONTEXT_VSGID
= 36,
302 LTTNG_KERNEL_ABI_CONTEXT_TIME_NS
= 37,
305 struct lttng_kernel_abi_perf_counter_ctx
{
308 char name
[LTTNG_KERNEL_ABI_SYM_NAME_LEN
];
309 } __attribute__((packed
));
311 #define LTTNG_KERNEL_ABI_CONTEXT_PADDING1 16
312 #define LTTNG_KERNEL_ABI_CONTEXT_PADDING2 LTTNG_KERNEL_ABI_SYM_NAME_LEN + 32
313 struct lttng_kernel_abi_context
{
314 uint32_t ctx
; /*enum lttng_kernel_abi_context_type */
315 char padding
[LTTNG_KERNEL_ABI_CONTEXT_PADDING1
];
318 struct lttng_kernel_abi_perf_counter_ctx perf_counter
;
319 char padding
[LTTNG_KERNEL_ABI_CONTEXT_PADDING2
];
321 } __attribute__((packed
));
323 #define LTTNG_KERNEL_ABI_FILTER_BYTECODE_MAX_LEN 65536
324 struct lttng_kernel_abi_filter_bytecode
{
326 uint32_t reloc_offset
;
329 } __attribute__((packed
));
331 #define LTTNG_KERNEL_ABI_CAPTURE_BYTECODE_MAX_LEN 65536
332 struct lttng_kernel_abi_capture_bytecode
{
334 uint32_t reloc_offset
;
337 } __attribute__((packed
));
339 enum lttng_kernel_abi_tracker_type
{
340 LTTNG_KERNEL_ABI_TRACKER_UNKNOWN
= -1,
342 LTTNG_KERNEL_ABI_TRACKER_PID
= 0,
343 LTTNG_KERNEL_ABI_TRACKER_VPID
= 1,
344 LTTNG_KERNEL_ABI_TRACKER_UID
= 2,
345 LTTNG_KERNEL_ABI_TRACKER_VUID
= 3,
346 LTTNG_KERNEL_ABI_TRACKER_GID
= 4,
347 LTTNG_KERNEL_ABI_TRACKER_VGID
= 5,
350 struct lttng_kernel_abi_tracker_args
{
351 uint32_t type
; /* enum lttng_kernel_abi_tracker_type */
355 /* LTTng file descriptor ioctl */
356 /* lttng/abi-old.h reserve 0x40, 0x41, 0x42, 0x43, and 0x44. */
357 #define LTTNG_KERNEL_ABI_SESSION _IO(0xF6, 0x45)
358 #define LTTNG_KERNEL_ABI_TRACER_VERSION \
359 _IOR(0xF6, 0x46, struct lttng_kernel_abi_tracer_version)
360 #define LTTNG_KERNEL_ABI_TRACEPOINT_LIST _IO(0xF6, 0x47)
361 #define LTTNG_KERNEL_ABI_WAIT_QUIESCENT _IO(0xF6, 0x48)
362 #define LTTNG_KERNEL_ABI_CALIBRATE \
363 _IOWR(0xF6, 0x49, struct lttng_kernel_abi_calibrate)
364 #define LTTNG_KERNEL_ABI_SYSCALL_LIST _IO(0xF6, 0x4A)
365 #define LTTNG_KERNEL_ABI_TRACER_ABI_VERSION \
366 _IOR(0xF6, 0x4B, struct lttng_kernel_abi_tracer_abi_version)
367 #define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_GROUP_CREATE _IO(0xF6, 0x4C)
369 /* Session FD ioctl */
370 /* lttng/abi-old.h reserve 0x50, 0x51, 0x52, and 0x53. */
371 #define LTTNG_KERNEL_ABI_METADATA \
372 _IOW(0xF6, 0x54, struct lttng_kernel_abi_channel)
373 #define LTTNG_KERNEL_ABI_CHANNEL \
374 _IOW(0xF6, 0x55, struct lttng_kernel_abi_channel)
375 #define LTTNG_KERNEL_ABI_SESSION_START _IO(0xF6, 0x56)
376 #define LTTNG_KERNEL_ABI_SESSION_STOP _IO(0xF6, 0x57)
377 #define LTTNG_KERNEL_ABI_SESSION_TRACK_PID \
378 _IOW(0xF6, 0x58, int32_t)
379 #define LTTNG_KERNEL_ABI_SESSION_UNTRACK_PID \
380 _IOW(0xF6, 0x59, int32_t)
383 * ioctl 0x58 and 0x59 are duplicated here. It works, since _IOR vs _IO
384 * are generating two different ioctl numbers, but this was not done on
385 * purpose. We should generally try to avoid those duplications.
387 #define LTTNG_KERNEL_ABI_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58)
388 #define LTTNG_KERNEL_ABI_SESSION_METADATA_REGEN _IO(0xF6, 0x59)
390 /* lttng/abi-old.h reserve 0x5A and 0x5B. */
391 #define LTTNG_KERNEL_ABI_SESSION_STATEDUMP _IO(0xF6, 0x5C)
392 #define LTTNG_KERNEL_ABI_SESSION_SET_NAME \
393 _IOW(0xF6, 0x5D, struct lttng_kernel_abi_session_name)
394 #define LTTNG_KERNEL_ABI_SESSION_SET_CREATION_TIME \
395 _IOW(0xF6, 0x5E, struct lttng_kernel_abi_session_creation_time)
397 /* Channel FD ioctl */
398 /* lttng/abi-old.h reserve 0x60 and 0x61. */
399 #define LTTNG_KERNEL_ABI_STREAM _IO(0xF6, 0x62)
400 #define LTTNG_KERNEL_ABI_EVENT \
401 _IOW(0xF6, 0x63, struct lttng_kernel_abi_event)
402 #define LTTNG_KERNEL_ABI_SYSCALL_MASK \
403 _IOWR(0xF6, 0x64, struct lttng_kernel_abi_syscall_mask)
405 /* Event and Channel FD ioctl */
406 /* lttng/abi-old.h reserve 0x70. */
407 #define LTTNG_KERNEL_ABI_CONTEXT \
408 _IOW(0xF6, 0x71, struct lttng_kernel_abi_context)
410 /* Event, Event notifier, Channel, Counter and Session ioctl */
411 /* lttng/abi-old.h reserve 0x80 and 0x81. */
412 #define LTTNG_KERNEL_ABI_ENABLE _IO(0xF6, 0x82)
413 #define LTTNG_KERNEL_ABI_DISABLE _IO(0xF6, 0x83)
415 /* Trigger group and session ioctl */
416 #define LTTNG_KERNEL_ABI_COUNTER \
417 _IOW(0xF6, 0x84, struct lttng_kernel_abi_counter_conf)
419 /* Event and Event notifier FD ioctl */
420 #define LTTNG_KERNEL_ABI_FILTER _IO(0xF6, 0x90)
421 #define LTTNG_KERNEL_ABI_ADD_CALLSITE _IO(0xF6, 0x91)
423 /* Session FD ioctl (continued) */
424 #define LTTNG_KERNEL_ABI_SESSION_LIST_TRACKER_IDS \
425 _IOW(0xF6, 0xA0, struct lttng_kernel_abi_tracker_args)
426 #define LTTNG_KERNEL_ABI_SESSION_TRACK_ID \
427 _IOW(0xF6, 0xA1, struct lttng_kernel_abi_tracker_args)
428 #define LTTNG_KERNEL_ABI_SESSION_UNTRACK_ID \
429 _IOW(0xF6, 0xA2, struct lttng_kernel_abi_tracker_args)
431 /* Event notifier group file descriptor ioctl */
432 #define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_CREATE \
433 _IOW(0xF6, 0xB0, struct lttng_kernel_abi_event_notifier)
434 #define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_GROUP_NOTIFICATION_FD \
437 /* Event notifier file descriptor ioctl */
438 #define LTTNG_KERNEL_ABI_CAPTURE _IO(0xF6, 0xB8)
440 /* Counter file descriptor ioctl */
441 #define LTTNG_KERNEL_ABI_COUNTER_READ \
442 _IOWR(0xF6, 0xC0, struct lttng_kernel_abi_counter_read)
443 #define LTTNG_KERNEL_ABI_COUNTER_AGGREGATE \
444 _IOWR(0xF6, 0xC1, struct lttng_kernel_abi_counter_aggregate)
445 #define LTTNG_KERNEL_ABI_COUNTER_CLEAR \
446 _IOW(0xF6, 0xC2, struct lttng_kernel_abi_counter_clear)
450 * LTTng-specific ioctls for the lib ringbuffer.
452 * Operations applying to the current sub-buffer need to occur between
453 * a get/put or get_next/put_next ioctl pair.
456 /* returns the timestamp begin of the current sub-buffer */
457 #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_TIMESTAMP_BEGIN _IOR(0xF6, 0x20, uint64_t)
458 /* returns the timestamp end of the current sub-buffer */
459 #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_TIMESTAMP_END _IOR(0xF6, 0x21, uint64_t)
460 /* returns the number of events discarded of the current sub-buffer */
461 #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_EVENTS_DISCARDED _IOR(0xF6, 0x22, uint64_t)
462 /* returns the packet payload size of the current sub-buffer */
463 #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_CONTENT_SIZE _IOR(0xF6, 0x23, uint64_t)
464 /* returns the packet size of the current sub-buffer*/
465 #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_PACKET_SIZE _IOR(0xF6, 0x24, uint64_t)
466 /* returns the stream id (invariant for the stream) */
467 #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_STREAM_ID _IOR(0xF6, 0x25, uint64_t)
468 /* returns the current timestamp as perceived from the tracer */
469 #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_CURRENT_TIMESTAMP _IOR(0xF6, 0x26, uint64_t)
470 /* returns the packet sequence number of the current sub-buffer */
471 #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_SEQ_NUM _IOR(0xF6, 0x27, uint64_t)
472 /* returns the stream instance id (invariant for the stream) */
473 #define LTTNG_KERNEL_ABI_RING_BUFFER_INSTANCE_ID _IOR(0xF6, 0x28, uint64_t)
476 * Those ioctl numbers use the wrong direction, but are kept for ABI backward
479 #define LTTNG_KERNEL_ABI_OLD_SESSION_SET_NAME \
480 _IOR(0xF6, 0x5D, struct lttng_kernel_abi_session_name)
481 #define LTTNG_KERNEL_ABI_OLD_SESSION_SET_CREATION_TIME \
482 _IOR(0xF6, 0x5E, struct lttng_kernel_abi_session_creation_time)
483 #define LTTNG_KERNEL_ABI_OLD_SESSION_TRACK_PID \
484 _IOR(0xF6, 0x58, int32_t)
485 #define LTTNG_KERNEL_ABI_OLD_SESSION_UNTRACK_PID \
486 _IOR(0xF6, 0x59, int32_t)
487 #define LTTNG_KERNEL_ABI_OLD_SESSION_LIST_TRACKER_IDS \
488 _IOR(0xF6, 0xA0, struct lttng_kernel_abi_tracker_args)
489 #define LTTNG_KERNEL_ABI_OLD_SESSION_TRACK_ID \
490 _IOR(0xF6, 0xA1, struct lttng_kernel_abi_tracker_args)
491 #define LTTNG_KERNEL_ABI_OLD_SESSION_UNTRACK_ID \
492 _IOR(0xF6, 0xA2, struct lttng_kernel_abi_tracker_args)
495 /* returns the timestamp begin of the current sub-buffer */
496 #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_TIMESTAMP_BEGIN \
497 LTTNG_KERNEL_ABI_RING_BUFFER_GET_TIMESTAMP_BEGIN
498 /* returns the timestamp end of the current sub-buffer */
499 #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_TIMESTAMP_END \
500 LTTNG_KERNEL_ABI_RING_BUFFER_GET_TIMESTAMP_END
501 /* returns the number of events discarded of the current sub-buffer */
502 #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_EVENTS_DISCARDED \
503 LTTNG_KERNEL_ABI_RING_BUFFER_GET_EVENTS_DISCARDED
504 /* returns the packet payload size of the current sub-buffer */
505 #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_CONTENT_SIZE \
506 LTTNG_KERNEL_ABI_RING_BUFFER_GET_CONTENT_SIZE
507 /* returns the packet size of the current sub-buffer */
508 #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_PACKET_SIZE \
509 LTTNG_KERNEL_ABI_RING_BUFFER_GET_PACKET_SIZE
510 /* returns the stream id (invariant for the stream) */
511 #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_STREAM_ID \
512 LTTNG_KERNEL_ABI_RING_BUFFER_GET_STREAM_ID
513 /* returns the current timestamp as perceived from the tracer */
514 #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_CURRENT_TIMESTAMP \
515 LTTNG_KERNEL_ABI_RING_BUFFER_GET_CURRENT_TIMESTAMP
516 /* returns the packet sequence number of the current sub-buffer */
517 #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_SEQ_NUM \
518 LTTNG_KERNEL_ABI_RING_BUFFER_GET_SEQ_NUM
519 /* returns the stream instance id (invariant for the stream) */
520 #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_INSTANCE_ID \
521 LTTNG_KERNEL_ABI_RING_BUFFER_INSTANCE_ID
522 #endif /* CONFIG_COMPAT */
524 #endif /* _LTTNG_ABI_H */