syscall tracing: update tests
[lttng-tools.git] / src / common / kernel-ctl / kernel-ioctl.h
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1/*
2 * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
3 * Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
4 *
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5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License, version 2 only,
7 * as published by the Free Software Foundation.
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8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
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14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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17 */
18
19#ifndef _LTT_KERNEL_IOCTL_H
20#define _LTT_KERNEL_IOCTL_H
21
29c62722 22#define LTTNG_MODULES_ABI_MAJOR_VERSION 2
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23#define LTTNG_MODULES_ABI_MINOR_VERSION 0
24
16421f6e 25/* Get a snapshot of the current ring buffer producer and consumer positions */
f3ed775e 26#define RING_BUFFER_SNAPSHOT _IO(0xF6, 0x00)
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27/* Get the consumer position (iteration start) */
28#define RING_BUFFER_SNAPSHOT_GET_CONSUMED _IOR(0xF6, 0x01, unsigned long)
29/* Get the producer position (iteration end) */
30#define RING_BUFFER_SNAPSHOT_GET_PRODUCED _IOR(0xF6, 0x02, unsigned long)
31/* Get exclusive read access to the specified sub-buffer position */
f3ed775e 32#define RING_BUFFER_GET_SUBBUF _IOW(0xF6, 0x03, unsigned long)
16421f6e 33/* Release exclusive sub-buffer access */
f3ed775e 34#define RING_BUFFER_PUT_SUBBUF _IO(0xF6, 0x04)
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35
36/* Get exclusive read access to the next sub-buffer that can be read. */
f3ed775e 37#define RING_BUFFER_GET_NEXT_SUBBUF _IO(0xF6, 0x05)
16421f6e 38/* Release exclusive sub-buffer access, move consumer forward. */
f3ed775e 39#define RING_BUFFER_PUT_NEXT_SUBBUF _IO(0xF6, 0x06)
16421f6e 40/* returns the size of the current sub-buffer, without padding (for mmap). */
f3ed775e 41#define RING_BUFFER_GET_SUBBUF_SIZE _IOR(0xF6, 0x07, unsigned long)
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42/* returns the size of the current sub-buffer, with padding (for splice). */
43#define RING_BUFFER_GET_PADDED_SUBBUF_SIZE _IOR(0xF6, 0x08, unsigned long)
44/* returns the maximum size for sub-buffers. */
45#define RING_BUFFER_GET_MAX_SUBBUF_SIZE _IOR(0xF6, 0x09, unsigned long)
46/* returns the length to mmap. */
f3ed775e 47#define RING_BUFFER_GET_MMAP_LEN _IOR(0xF6, 0x0A, unsigned long)
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48/* returns the offset of the subbuffer belonging to the mmap reader. */
49#define RING_BUFFER_GET_MMAP_READ_OFFSET _IOR(0xF6, 0x0B, unsigned long)
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50/* flush the current sub-buffer */
51#define RING_BUFFER_FLUSH _IO(0xF6, 0x0C)
00e2e675 52
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53/* returns the timestamp begin of the current sub-buffer */
54#define LTTNG_RING_BUFFER_GET_TIMESTAMP_BEGIN _IOR(0xF6, 0x20, uint64_t)
55/* returns the timestamp end of the current sub-buffer */
56#define LTTNG_RING_BUFFER_GET_TIMESTAMP_END _IOR(0xF6, 0x21, uint64_t)
57/* returns the number of events discarded */
58#define LTTNG_RING_BUFFER_GET_EVENTS_DISCARDED _IOR(0xF6, 0x22, uint64_t)
59/* returns the packet payload size */
60#define LTTNG_RING_BUFFER_GET_CONTENT_SIZE _IOR(0xF6, 0x23, uint64_t)
61/* returns the actual packet size */
62#define LTTNG_RING_BUFFER_GET_PACKET_SIZE _IOR(0xF6, 0x24, uint64_t)
63/* returns the stream id */
64#define LTTNG_RING_BUFFER_GET_STREAM_ID _IOR(0xF6, 0x25, uint64_t)
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65/* returns the current timestamp */
66#define LTTNG_RING_BUFFER_GET_CURRENT_TIMESTAMP _IOR(0xF6, 0x26, uint64_t)
309167d2 67
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68/* Old ABI (without support for 32/64 bits compat) */
69/* LTTng file descriptor ioctl */
70#define LTTNG_KERNEL_OLD_SESSION _IO(0xF6, 0x40)
71#define LTTNG_KERNEL_OLD_TRACER_VERSION \
72 _IOR(0xF6, 0x41, struct lttng_kernel_old_tracer_version)
73#define LTTNG_KERNEL_OLD_TRACEPOINT_LIST _IO(0xF6, 0x42)
74#define LTTNG_KERNEL_OLD_WAIT_QUIESCENT _IO(0xF6, 0x43)
75#define LTTNG_KERNEL_OLD_CALIBRATE \
76 _IOWR(0xF6, 0x44, struct lttng_kernel_old_calibrate)
77
78/* Session FD ioctl */
79#define LTTNG_KERNEL_OLD_METADATA \
80 _IOW(0xF6, 0x50, struct lttng_kernel_old_channel)
81#define LTTNG_KERNEL_OLD_CHANNEL \
82 _IOW(0xF6, 0x51, struct lttng_kernel_old_channel)
83#define LTTNG_KERNEL_OLD_SESSION_START _IO(0xF6, 0x52)
84#define LTTNG_KERNEL_OLD_SESSION_STOP _IO(0xF6, 0x53)
85
86/* Channel FD ioctl */
87#define LTTNG_KERNEL_OLD_STREAM _IO(0xF6, 0x60)
88#define LTTNG_KERNEL_OLD_EVENT \
89 _IOW(0xF6, 0x61, struct lttng_kernel_old_event)
f3ed775e 90
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91/* Event and Channel FD ioctl */
92#define LTTNG_KERNEL_OLD_CONTEXT \
93 _IOW(0xF6, 0x70, struct lttng_kernel_old_context)
94
95/* Event, Channel and Session ioctl */
96#define LTTNG_KERNEL_OLD_ENABLE _IO(0xF6, 0x80)
97#define LTTNG_KERNEL_OLD_DISABLE _IO(0xF6, 0x81)
98
99
100/* Current ABI (with suport for 32/64 bits compat) */
857aa172 101/* LTTng file descriptor ioctl */
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102#define LTTNG_KERNEL_SESSION _IO(0xF6, 0x45)
103#define LTTNG_KERNEL_TRACER_VERSION \
104 _IOR(0xF6, 0x46, struct lttng_kernel_tracer_version)
d02666a9 105#define LTTNG_KERNEL_TRACEPOINT_LIST _IO(0xF6, 0x47)
4dbc372b 106#define LTTNG_KERNEL_WAIT_QUIESCENT _IO(0xF6, 0x48)
d0254c7c 107#define LTTNG_KERNEL_CALIBRATE \
4dbc372b 108 _IOWR(0xF6, 0x49, struct lttng_kernel_calibrate)
90d13b3d 109#define LTTNG_KERNEL_SYSCALL_LIST _IO(0xF6, 0x4A)
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110#define LTTNG_KERNEL_TRACER_ABI_VERSION \
111 _IOR(0xF6, 0x4B, struct lttng_kernel_tracer_abi_version)
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112
113/* Session FD ioctl */
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114#define LTTNG_KERNEL_METADATA \
115 _IOW(0xF6, 0x54, struct lttng_kernel_channel)
116#define LTTNG_KERNEL_CHANNEL \
117 _IOW(0xF6, 0x55, struct lttng_kernel_channel)
118#define LTTNG_KERNEL_SESSION_START _IO(0xF6, 0x56)
119#define LTTNG_KERNEL_SESSION_STOP _IO(0xF6, 0x57)
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120#define LTTNG_KERNEL_SESSION_TRACK_PID \
121 _IOR(0xF6, 0x58, int32_t)
122#define LTTNG_KERNEL_SESSION_UNTRACK_PID \
123 _IOR(0xF6, 0x59, int32_t)
a5dfbb9d 124#define LTTNG_KERNEL_SESSION_LIST_TRACKER_PIDS _IO(0xF6, 0x58)
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125
126/* Channel FD ioctl */
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127#define LTTNG_KERNEL_STREAM _IO(0xF6, 0x62)
128#define LTTNG_KERNEL_EVENT \
129 _IOW(0xF6, 0x63, struct lttng_kernel_event)
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130#define LTTNG_KERNEL_SYSCALL_MASK \
131 _IOWR(0xF6, 0x64, struct lttng_kernel_syscall_mask)
f3ed775e 132
857aa172 133/* Event and Channel FD ioctl */
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134#define LTTNG_KERNEL_CONTEXT \
135 _IOW(0xF6, 0x71, struct lttng_kernel_context)
857aa172 136
f3ed775e 137/* Event, Channel and Session ioctl */
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138#define LTTNG_KERNEL_ENABLE _IO(0xF6, 0x82)
139#define LTTNG_KERNEL_DISABLE _IO(0xF6, 0x83)
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140
141#endif /* _LTT_KERNEL_IOCTL_H */
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