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
25 #define LTTNG_KERNEL_ABI_SESSION_CREATION_TIME_ISO8601_LEN 26
27 enum lttng_kernel_abi_instrumentation
{
28 LTTNG_KERNEL_ABI_TRACEPOINT
= 0,
29 LTTNG_KERNEL_ABI_KPROBE
= 1,
30 LTTNG_KERNEL_ABI_FUNCTION
= 2,
31 LTTNG_KERNEL_ABI_KRETPROBE
= 3,
32 LTTNG_KERNEL_ABI_NOOP
= 4, /* not hooked */
33 LTTNG_KERNEL_ABI_SYSCALL
= 5,
34 LTTNG_KERNEL_ABI_UPROBE
= 6,
40 enum lttng_kernel_abi_output
{
41 LTTNG_KERNEL_ABI_SPLICE
= 0,
42 LTTNG_KERNEL_ABI_MMAP
= 1,
46 * LTTng DebugFS ABI structures.
48 #define LTTNG_KERNEL_ABI_CHANNEL_PADDING LTTNG_KERNEL_ABI_SYM_NAME_LEN + 32
49 struct lttng_kernel_abi_channel
{
50 uint64_t subbuf_size
; /* in bytes */
52 unsigned int switch_timer_interval
; /* usecs */
53 unsigned int read_timer_interval
; /* usecs */
54 uint32_t output
; /* enum lttng_kernel_abi_output (splice, mmap) */
55 int overwrite
; /* 1: overwrite, 0: discard */
56 char padding
[LTTNG_KERNEL_ABI_CHANNEL_PADDING
];
57 } __attribute__((packed
));
59 enum lttng_kernel_abi_kretprobe_entryexit
{
60 LTTNG_KERNEL_ABI_KRETPROBE_ENTRYEXIT
= 0,
61 LTTNG_KERNEL_ABI_KRETPROBE_ENTRY
= 1,
62 LTTNG_KERNEL_ABI_KRETPROBE_EXIT
= 2,
65 struct lttng_kernel_abi_kretprobe
{
69 char symbol_name
[LTTNG_KERNEL_ABI_SYM_NAME_LEN
];
70 uint8_t entryexit
; /* enum lttng_kernel_abi_kretprobe_entryexit */
71 } __attribute__((packed
));
74 * Either addr is used, or symbol_name and offset.
76 struct lttng_kernel_abi_kprobe
{
80 char symbol_name
[LTTNG_KERNEL_ABI_SYM_NAME_LEN
];
81 } __attribute__((packed
));
83 struct lttng_kernel_abi_function_tracer
{
84 char symbol_name
[LTTNG_KERNEL_ABI_SYM_NAME_LEN
];
85 } __attribute__((packed
));
87 struct lttng_kernel_abi_uprobe
{
89 } __attribute__((packed
));
91 struct lttng_kernel_abi_event_callsite_uprobe
{
93 } __attribute__((packed
));
95 struct lttng_kernel_abi_event_callsite
{
97 struct lttng_kernel_abi_event_callsite_uprobe uprobe
;
99 } __attribute__((packed
));
101 enum lttng_kernel_abi_syscall_entryexit
{
102 LTTNG_KERNEL_ABI_SYSCALL_ENTRYEXIT
= 0,
103 LTTNG_KERNEL_ABI_SYSCALL_ENTRY
= 1,
104 LTTNG_KERNEL_ABI_SYSCALL_EXIT
= 2,
107 enum lttng_kernel_abi_syscall_abi
{
108 LTTNG_KERNEL_ABI_SYSCALL_ABI_ALL
= 0,
109 LTTNG_KERNEL_ABI_SYSCALL_ABI_NATIVE
= 1,
110 LTTNG_KERNEL_ABI_SYSCALL_ABI_COMPAT
= 2,
113 enum lttng_kernel_abi_syscall_match
{
114 LTTNG_KERNEL_ABI_SYSCALL_MATCH_NAME
= 0,
115 LTTNG_KERNEL_ABI_SYSCALL_MATCH_NR
= 1, /* Not implemented. */
118 struct lttng_kernel_abi_syscall
{
119 uint8_t entryexit
; /* enum lttng_kernel_abi_syscall_entryexit */
120 uint8_t abi
; /* enum lttng_kernel_abi_syscall_abi */
121 uint8_t match
; /* enum lttng_kernel_abi_syscall_match */
123 uint32_t nr
; /* For LTTNG_SYSCALL_MATCH_NR */
124 } __attribute__((packed
));
127 * For syscall tracing, name = "*" means "enable all".
129 #define LTTNG_KERNEL_ABI_EVENT_PADDING1 8
130 #define LTTNG_KERNEL_ABI_EVENT_PADDING2 LTTNG_KERNEL_ABI_SYM_NAME_LEN + 32
131 struct lttng_kernel_abi_event
{
132 char name
[LTTNG_KERNEL_ABI_SYM_NAME_LEN
]; /* event name */
133 uint32_t instrumentation
; /* enum lttng_kernel_abi_instrumentation */
134 uint64_t token
; /* User-provided token */
135 char padding
[LTTNG_KERNEL_ABI_EVENT_PADDING1
];
137 /* Per instrumentation type configuration */
139 struct lttng_kernel_abi_kretprobe kretprobe
;
140 struct lttng_kernel_abi_kprobe kprobe
;
141 struct lttng_kernel_abi_function_tracer ftrace
;
142 struct lttng_kernel_abi_uprobe uprobe
;
143 struct lttng_kernel_abi_syscall syscall
;
144 char padding
[LTTNG_KERNEL_ABI_EVENT_PADDING2
];
146 } __attribute__((packed
));
148 #define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_PADDING 32
149 struct lttng_kernel_abi_event_notifier
{
150 struct lttng_kernel_abi_event event
;
151 uint64_t error_counter_index
;
153 char padding
[LTTNG_KERNEL_ABI_EVENT_NOTIFIER_PADDING
];
154 } __attribute__((packed
));
156 #define LTTNG_KERNEL_ABI_COUNTER_DIMENSION_MAX 4
158 enum lttng_kernel_abi_counter_arithmetic
{
159 LTTNG_KERNEL_ABI_COUNTER_ARITHMETIC_MODULAR
= 0,
162 enum lttng_kernel_abi_counter_bitness
{
163 LTTNG_KERNEL_ABI_COUNTER_BITNESS_32
= 0,
164 LTTNG_KERNEL_ABI_COUNTER_BITNESS_64
= 1,
167 struct lttng_kernel_abi_counter_dimension
{
169 uint64_t underflow_index
;
170 uint64_t overflow_index
;
171 uint8_t has_underflow
;
172 uint8_t has_overflow
;
173 } __attribute__((packed
));
175 #define LTTNG_KERNEL_ABI_COUNTER_CONF_PADDING1 67
176 struct lttng_kernel_abi_counter_conf
{
177 uint32_t arithmetic
; /* enum lttng_kernel_abi_counter_arithmetic */
178 uint32_t bitness
; /* enum lttng_kernel_abi_counter_bitness */
179 uint32_t number_dimensions
;
180 int64_t global_sum_step
;
181 struct lttng_kernel_abi_counter_dimension dimensions
[LTTNG_KERNEL_ABI_COUNTER_DIMENSION_MAX
];
182 uint8_t coalesce_hits
;
183 char padding
[LTTNG_KERNEL_ABI_COUNTER_CONF_PADDING1
];
184 } __attribute__((packed
));
186 struct lttng_kernel_abi_counter_index
{
187 uint32_t number_dimensions
;
188 uint64_t dimension_indexes
[LTTNG_KERNEL_ABI_COUNTER_DIMENSION_MAX
];
189 } __attribute__((packed
));
191 struct lttng_kernel_abi_counter_value
{
195 } __attribute__((packed
));
197 #define LTTNG_KERNEL_ABI_COUNTER_READ_PADDING 32
198 struct lttng_kernel_abi_counter_read
{
199 struct lttng_kernel_abi_counter_index index
;
200 int32_t cpu
; /* -1 for global counter, >= 0 for specific cpu. */
201 struct lttng_kernel_abi_counter_value value
; /* output */
202 char padding
[LTTNG_KERNEL_ABI_COUNTER_READ_PADDING
];
203 } __attribute__((packed
));
205 #define LTTNG_KERNEL_ABI_COUNTER_AGGREGATE_PADDING 32
206 struct lttng_kernel_abi_counter_aggregate
{
207 struct lttng_kernel_abi_counter_index index
;
208 struct lttng_kernel_abi_counter_value value
; /* output */
209 char padding
[LTTNG_KERNEL_ABI_COUNTER_AGGREGATE_PADDING
];
210 } __attribute__((packed
));
212 #define LTTNG_KERNEL_ABI_COUNTER_CLEAR_PADDING 32
213 struct lttng_kernel_abi_counter_clear
{
214 struct lttng_kernel_abi_counter_index index
;
215 char padding
[LTTNG_KERNEL_ABI_COUNTER_CLEAR_PADDING
];
216 } __attribute__((packed
));
218 #define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_NOTIFICATION_PADDING 32
219 struct lttng_kernel_abi_event_notifier_notification
{
221 uint16_t capture_buf_size
;
222 char padding
[LTTNG_KERNEL_ABI_EVENT_NOTIFIER_NOTIFICATION_PADDING
];
223 } __attribute__((packed
));
225 struct lttng_kernel_abi_tracer_version
{
229 } __attribute__((packed
));
231 struct lttng_kernel_abi_tracer_abi_version
{
234 } __attribute__((packed
));
236 struct lttng_kernel_abi_session_name
{
237 char name
[LTTNG_KERNEL_ABI_SESSION_NAME_LEN
];
238 } __attribute__((packed
));
240 struct lttng_kernel_abi_session_creation_time
{
241 char iso8601
[LTTNG_KERNEL_ABI_SESSION_CREATION_TIME_ISO8601_LEN
];
242 } __attribute__((packed
));
244 enum lttng_kernel_abi_calibrate_type
{
245 LTTNG_KERNEL_ABI_CALIBRATE_KRETPROBE
,
248 struct lttng_kernel_abi_calibrate
{
249 uint32_t type
; /* enum lttng_kernel_abi_calibrate_type (input) */
250 } __attribute__((packed
));
252 struct lttng_kernel_abi_syscall_mask
{
253 uint32_t len
; /* in bits */
255 } __attribute__((packed
));
257 enum lttng_kernel_abi_context_type
{
258 LTTNG_KERNEL_ABI_CONTEXT_PID
= 0,
259 LTTNG_KERNEL_ABI_CONTEXT_PERF_COUNTER
= 1,
260 LTTNG_KERNEL_ABI_CONTEXT_PROCNAME
= 2,
261 LTTNG_KERNEL_ABI_CONTEXT_PRIO
= 3,
262 LTTNG_KERNEL_ABI_CONTEXT_NICE
= 4,
263 LTTNG_KERNEL_ABI_CONTEXT_VPID
= 5,
264 LTTNG_KERNEL_ABI_CONTEXT_TID
= 6,
265 LTTNG_KERNEL_ABI_CONTEXT_VTID
= 7,
266 LTTNG_KERNEL_ABI_CONTEXT_PPID
= 8,
267 LTTNG_KERNEL_ABI_CONTEXT_VPPID
= 9,
268 LTTNG_KERNEL_ABI_CONTEXT_HOSTNAME
= 10,
269 LTTNG_KERNEL_ABI_CONTEXT_CPU_ID
= 11,
270 LTTNG_KERNEL_ABI_CONTEXT_INTERRUPTIBLE
= 12,
271 LTTNG_KERNEL_ABI_CONTEXT_PREEMPTIBLE
= 13,
272 LTTNG_KERNEL_ABI_CONTEXT_NEED_RESCHEDULE
= 14,
273 LTTNG_KERNEL_ABI_CONTEXT_MIGRATABLE
= 15,
274 LTTNG_KERNEL_ABI_CONTEXT_CALLSTACK_KERNEL
= 16,
275 LTTNG_KERNEL_ABI_CONTEXT_CALLSTACK_USER
= 17,
276 LTTNG_KERNEL_ABI_CONTEXT_CGROUP_NS
= 18,
277 LTTNG_KERNEL_ABI_CONTEXT_IPC_NS
= 19,
278 LTTNG_KERNEL_ABI_CONTEXT_MNT_NS
= 20,
279 LTTNG_KERNEL_ABI_CONTEXT_NET_NS
= 21,
280 LTTNG_KERNEL_ABI_CONTEXT_PID_NS
= 22,
281 LTTNG_KERNEL_ABI_CONTEXT_USER_NS
= 23,
282 LTTNG_KERNEL_ABI_CONTEXT_UTS_NS
= 24,
283 LTTNG_KERNEL_ABI_CONTEXT_UID
= 25,
284 LTTNG_KERNEL_ABI_CONTEXT_EUID
= 26,
285 LTTNG_KERNEL_ABI_CONTEXT_SUID
= 27,
286 LTTNG_KERNEL_ABI_CONTEXT_GID
= 28,
287 LTTNG_KERNEL_ABI_CONTEXT_EGID
= 29,
288 LTTNG_KERNEL_ABI_CONTEXT_SGID
= 30,
289 LTTNG_KERNEL_ABI_CONTEXT_VUID
= 31,
290 LTTNG_KERNEL_ABI_CONTEXT_VEUID
= 32,
291 LTTNG_KERNEL_ABI_CONTEXT_VSUID
= 33,
292 LTTNG_KERNEL_ABI_CONTEXT_VGID
= 34,
293 LTTNG_KERNEL_ABI_CONTEXT_VEGID
= 35,
294 LTTNG_KERNEL_ABI_CONTEXT_VSGID
= 36,
295 LTTNG_KERNEL_ABI_CONTEXT_TIME_NS
= 37,
298 struct lttng_kernel_abi_perf_counter_ctx
{
301 char name
[LTTNG_KERNEL_ABI_SYM_NAME_LEN
];
302 } __attribute__((packed
));
304 #define LTTNG_KERNEL_ABI_CONTEXT_PADDING1 16
305 #define LTTNG_KERNEL_ABI_CONTEXT_PADDING2 LTTNG_KERNEL_ABI_SYM_NAME_LEN + 32
306 struct lttng_kernel_abi_context
{
307 uint32_t ctx
; /*enum lttng_kernel_abi_context_type */
308 char padding
[LTTNG_KERNEL_ABI_CONTEXT_PADDING1
];
311 struct lttng_kernel_abi_perf_counter_ctx perf_counter
;
312 char padding
[LTTNG_KERNEL_ABI_CONTEXT_PADDING2
];
314 } __attribute__((packed
));
316 #define LTTNG_KERNEL_ABI_FILTER_BYTECODE_MAX_LEN 65536
317 struct lttng_kernel_abi_filter_bytecode
{
319 uint32_t reloc_offset
;
322 } __attribute__((packed
));
324 #define LTTNG_KERNEL_ABI_CAPTURE_BYTECODE_MAX_LEN 65536
325 struct lttng_kernel_abi_capture_bytecode
{
327 uint32_t reloc_offset
;
330 } __attribute__((packed
));
332 enum lttng_kernel_abi_tracker_type
{
333 LTTNG_KERNEL_ABI_TRACKER_UNKNOWN
= -1,
335 LTTNG_KERNEL_ABI_TRACKER_PID
= 0,
336 LTTNG_KERNEL_ABI_TRACKER_VPID
= 1,
337 LTTNG_KERNEL_ABI_TRACKER_UID
= 2,
338 LTTNG_KERNEL_ABI_TRACKER_VUID
= 3,
339 LTTNG_KERNEL_ABI_TRACKER_GID
= 4,
340 LTTNG_KERNEL_ABI_TRACKER_VGID
= 5,
343 struct lttng_kernel_abi_tracker_args
{
344 uint32_t type
; /* enum lttng_kernel_abi_tracker_type */
348 /* LTTng file descriptor ioctl */
349 /* lttng/abi-old.h reserve 0x40, 0x41, 0x42, 0x43, and 0x44. */
350 #define LTTNG_KERNEL_ABI_SESSION _IO(0xF6, 0x45)
351 #define LTTNG_KERNEL_ABI_TRACER_VERSION \
352 _IOR(0xF6, 0x46, struct lttng_kernel_abi_tracer_version)
353 #define LTTNG_KERNEL_ABI_TRACEPOINT_LIST _IO(0xF6, 0x47)
354 #define LTTNG_KERNEL_ABI_WAIT_QUIESCENT _IO(0xF6, 0x48)
355 #define LTTNG_KERNEL_ABI_CALIBRATE \
356 _IOWR(0xF6, 0x49, struct lttng_kernel_abi_calibrate)
357 #define LTTNG_KERNEL_ABI_SYSCALL_LIST _IO(0xF6, 0x4A)
358 #define LTTNG_KERNEL_ABI_TRACER_ABI_VERSION \
359 _IOR(0xF6, 0x4B, struct lttng_kernel_abi_tracer_abi_version)
360 #define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_GROUP_CREATE _IO(0xF6, 0x4C)
362 /* Session FD ioctl */
363 /* lttng/abi-old.h reserve 0x50, 0x51, 0x52, and 0x53. */
364 #define LTTNG_KERNEL_ABI_METADATA \
365 _IOW(0xF6, 0x54, struct lttng_kernel_abi_channel)
366 #define LTTNG_KERNEL_ABI_CHANNEL \
367 _IOW(0xF6, 0x55, struct lttng_kernel_abi_channel)
368 #define LTTNG_KERNEL_ABI_SESSION_START _IO(0xF6, 0x56)
369 #define LTTNG_KERNEL_ABI_SESSION_STOP _IO(0xF6, 0x57)
370 #define LTTNG_KERNEL_ABI_SESSION_TRACK_PID \
371 _IOW(0xF6, 0x58, int32_t)
372 #define LTTNG_KERNEL_ABI_SESSION_UNTRACK_PID \
373 _IOW(0xF6, 0x59, int32_t)
376 * ioctl 0x58 and 0x59 are duplicated here. It works, since _IOR vs _IO
377 * are generating two different ioctl numbers, but this was not done on
378 * purpose. We should generally try to avoid those duplications.
380 #define LTTNG_KERNEL_ABI_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58)
381 #define LTTNG_KERNEL_ABI_SESSION_METADATA_REGEN _IO(0xF6, 0x59)
383 /* lttng/abi-old.h reserve 0x5A and 0x5B. */
384 #define LTTNG_KERNEL_ABI_SESSION_STATEDUMP _IO(0xF6, 0x5C)
385 #define LTTNG_KERNEL_ABI_SESSION_SET_NAME \
386 _IOW(0xF6, 0x5D, struct lttng_kernel_abi_session_name)
387 #define LTTNG_KERNEL_ABI_SESSION_SET_CREATION_TIME \
388 _IOW(0xF6, 0x5E, struct lttng_kernel_abi_session_creation_time)
390 /* Channel FD ioctl */
391 /* lttng/abi-old.h reserve 0x60 and 0x61. */
392 #define LTTNG_KERNEL_ABI_STREAM _IO(0xF6, 0x62)
393 #define LTTNG_KERNEL_ABI_EVENT \
394 _IOW(0xF6, 0x63, struct lttng_kernel_abi_event)
395 #define LTTNG_KERNEL_ABI_SYSCALL_MASK \
396 _IOWR(0xF6, 0x64, struct lttng_kernel_abi_syscall_mask)
398 /* Event and Channel FD ioctl */
399 /* lttng/abi-old.h reserve 0x70. */
400 #define LTTNG_KERNEL_ABI_CONTEXT \
401 _IOW(0xF6, 0x71, struct lttng_kernel_abi_context)
403 /* Event, Event notifier, Channel, Counter and Session ioctl */
404 /* lttng/abi-old.h reserve 0x80 and 0x81. */
405 #define LTTNG_KERNEL_ABI_ENABLE _IO(0xF6, 0x82)
406 #define LTTNG_KERNEL_ABI_DISABLE _IO(0xF6, 0x83)
408 /* Trigger group and session ioctl */
409 #define LTTNG_KERNEL_ABI_COUNTER \
410 _IOW(0xF6, 0x84, struct lttng_kernel_abi_counter_conf)
412 /* Event and Event notifier FD ioctl */
413 #define LTTNG_KERNEL_ABI_FILTER _IO(0xF6, 0x90)
414 #define LTTNG_KERNEL_ABI_ADD_CALLSITE _IO(0xF6, 0x91)
416 /* Session FD ioctl (continued) */
417 #define LTTNG_KERNEL_ABI_SESSION_LIST_TRACKER_IDS \
418 _IOW(0xF6, 0xA0, struct lttng_kernel_abi_tracker_args)
419 #define LTTNG_KERNEL_ABI_SESSION_TRACK_ID \
420 _IOW(0xF6, 0xA1, struct lttng_kernel_abi_tracker_args)
421 #define LTTNG_KERNEL_ABI_SESSION_UNTRACK_ID \
422 _IOW(0xF6, 0xA2, struct lttng_kernel_abi_tracker_args)
424 /* Event notifier group file descriptor ioctl */
425 #define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_CREATE \
426 _IOW(0xF6, 0xB0, struct lttng_kernel_abi_event_notifier)
427 #define LTTNG_KERNEL_ABI_EVENT_NOTIFIER_GROUP_NOTIFICATION_FD \
430 /* Event notifier file descriptor ioctl */
431 #define LTTNG_KERNEL_ABI_CAPTURE _IO(0xF6, 0xB8)
433 /* Counter file descriptor ioctl */
434 #define LTTNG_KERNEL_ABI_COUNTER_READ \
435 _IOWR(0xF6, 0xC0, struct lttng_kernel_abi_counter_read)
436 #define LTTNG_KERNEL_ABI_COUNTER_AGGREGATE \
437 _IOWR(0xF6, 0xC1, struct lttng_kernel_abi_counter_aggregate)
438 #define LTTNG_KERNEL_ABI_COUNTER_CLEAR \
439 _IOW(0xF6, 0xC2, struct lttng_kernel_abi_counter_clear)
443 * LTTng-specific ioctls for the lib ringbuffer.
445 * Operations applying to the current sub-buffer need to occur between
446 * a get/put or get_next/put_next ioctl pair.
449 /* returns the timestamp begin of the current sub-buffer */
450 #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_TIMESTAMP_BEGIN _IOR(0xF6, 0x20, uint64_t)
451 /* returns the timestamp end of the current sub-buffer */
452 #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_TIMESTAMP_END _IOR(0xF6, 0x21, uint64_t)
453 /* returns the number of events discarded of the current sub-buffer */
454 #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_EVENTS_DISCARDED _IOR(0xF6, 0x22, uint64_t)
455 /* returns the packet payload size of the current sub-buffer */
456 #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_CONTENT_SIZE _IOR(0xF6, 0x23, uint64_t)
457 /* returns the packet size of the current sub-buffer*/
458 #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_PACKET_SIZE _IOR(0xF6, 0x24, uint64_t)
459 /* returns the stream id (invariant for the stream) */
460 #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_STREAM_ID _IOR(0xF6, 0x25, uint64_t)
461 /* returns the current timestamp as perceived from the tracer */
462 #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_CURRENT_TIMESTAMP _IOR(0xF6, 0x26, uint64_t)
463 /* returns the packet sequence number of the current sub-buffer */
464 #define LTTNG_KERNEL_ABI_RING_BUFFER_GET_SEQ_NUM _IOR(0xF6, 0x27, uint64_t)
465 /* returns the stream instance id (invariant for the stream) */
466 #define LTTNG_KERNEL_ABI_RING_BUFFER_INSTANCE_ID _IOR(0xF6, 0x28, uint64_t)
469 * Those ioctl numbers use the wrong direction, but are kept for ABI backward
472 #define LTTNG_KERNEL_ABI_OLD_SESSION_SET_NAME \
473 _IOR(0xF6, 0x5D, struct lttng_kernel_abi_session_name)
474 #define LTTNG_KERNEL_ABI_OLD_SESSION_SET_CREATION_TIME \
475 _IOR(0xF6, 0x5E, struct lttng_kernel_abi_session_creation_time)
476 #define LTTNG_KERNEL_ABI_OLD_SESSION_TRACK_PID \
477 _IOR(0xF6, 0x58, int32_t)
478 #define LTTNG_KERNEL_ABI_OLD_SESSION_UNTRACK_PID \
479 _IOR(0xF6, 0x59, int32_t)
480 #define LTTNG_KERNEL_ABI_OLD_SESSION_LIST_TRACKER_IDS \
481 _IOR(0xF6, 0xA0, struct lttng_kernel_abi_tracker_args)
482 #define LTTNG_KERNEL_ABI_OLD_SESSION_TRACK_ID \
483 _IOR(0xF6, 0xA1, struct lttng_kernel_abi_tracker_args)
484 #define LTTNG_KERNEL_ABI_OLD_SESSION_UNTRACK_ID \
485 _IOR(0xF6, 0xA2, struct lttng_kernel_abi_tracker_args)
488 /* returns the timestamp begin of the current sub-buffer */
489 #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_TIMESTAMP_BEGIN \
490 LTTNG_KERNEL_ABI_RING_BUFFER_GET_TIMESTAMP_BEGIN
491 /* returns the timestamp end of the current sub-buffer */
492 #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_TIMESTAMP_END \
493 LTTNG_KERNEL_ABI_RING_BUFFER_GET_TIMESTAMP_END
494 /* returns the number of events discarded of the current sub-buffer */
495 #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_EVENTS_DISCARDED \
496 LTTNG_KERNEL_ABI_RING_BUFFER_GET_EVENTS_DISCARDED
497 /* returns the packet payload size of the current sub-buffer */
498 #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_CONTENT_SIZE \
499 LTTNG_KERNEL_ABI_RING_BUFFER_GET_CONTENT_SIZE
500 /* returns the packet size of the current sub-buffer */
501 #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_PACKET_SIZE \
502 LTTNG_KERNEL_ABI_RING_BUFFER_GET_PACKET_SIZE
503 /* returns the stream id (invariant for the stream) */
504 #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_STREAM_ID \
505 LTTNG_KERNEL_ABI_RING_BUFFER_GET_STREAM_ID
506 /* returns the current timestamp as perceived from the tracer */
507 #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_CURRENT_TIMESTAMP \
508 LTTNG_KERNEL_ABI_RING_BUFFER_GET_CURRENT_TIMESTAMP
509 /* returns the packet sequence number of the current sub-buffer */
510 #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_GET_SEQ_NUM \
511 LTTNG_KERNEL_ABI_RING_BUFFER_GET_SEQ_NUM
512 /* returns the stream instance id (invariant for the stream) */
513 #define LTTNG_KERNEL_ABI_RING_BUFFER_COMPAT_INSTANCE_ID \
514 LTTNG_KERNEL_ABI_RING_BUFFER_INSTANCE_ID
515 #endif /* CONFIG_COMPAT */
517 #endif /* _LTTNG_ABI_H */