Commit | Line | Data |
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ee0326c0 | 1 | /* |
ab5be9fa MJ |
2 | * Copyright (C) 2011 Julien Desfossez <julien.desfossez@polymtl.ca> |
3 | * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
ee0326c0 | 4 | * |
ab5be9fa | 5 | * SPDX-License-Identifier: GPL-2.0-only |
ee0326c0 | 6 | * |
ee0326c0 DG |
7 | */ |
8 | ||
3bd1e081 MD |
9 | #ifndef _LTTNG_KERNEL_CTL_H |
10 | #define _LTTNG_KERNEL_CTL_H | |
ee0326c0 | 11 | |
f3ed775e | 12 | #include <lttng/lttng.h> |
10a8a223 | 13 | #include <common/lttng-kernel.h> |
4dbc372b | 14 | #include <common/lttng-kernel-old.h> |
00a62084 | 15 | #include <common/sessiond-comm/sessiond-comm.h> /* for struct lttng_filter_bytecode */ |
16421f6e | 16 | |
964ccb60 MD |
17 | int kernctl_create_session(int fd); |
18 | int kernctl_open_metadata(int fd, struct lttng_channel_attr *chops); | |
f3ed775e | 19 | int kernctl_create_channel(int fd, struct lttng_channel_attr *chops); |
964ccb60 | 20 | int kernctl_create_stream(int fd); |
9cb98350 | 21 | int kernctl_create_event(int fd, struct lttng_kernel_event *ev); |
964ccb60 MD |
22 | int kernctl_add_context(int fd, struct lttng_kernel_context *ctx); |
23 | ||
f3ed775e DG |
24 | int kernctl_enable(int fd); |
25 | int kernctl_disable(int fd); | |
50dc1fa6 DG |
26 | int kernctl_start_session(int fd); |
27 | int kernctl_stop_session(int fd); | |
964ccb60 | 28 | |
00a62084 MD |
29 | /* Apply on event FD */ |
30 | int kernctl_filter(int fd, struct lttng_filter_bytecode *filter); | |
1ab8c2ad | 31 | int kernctl_add_callsite(int fd, struct lttng_kernel_event_callsite *callsite); |
00a62084 | 32 | |
8d609afd | 33 | int kernctl_tracepoint_list(int fd); |
d02666a9 | 34 | int kernctl_syscall_list(int fd); |
8d609afd | 35 | int kernctl_tracer_version(int fd, struct lttng_kernel_tracer_version *v); |
c052142c | 36 | int kernctl_tracer_abi_version(int fd, struct lttng_kernel_tracer_abi_version *v); |
f3ed775e | 37 | int kernctl_wait_quiescent(int fd); |
16421f6e | 38 | |
46820c8b MD |
39 | /* |
40 | * kernctl_syscall_mask - Get syscall mask associated to a channel FD. | |
41 | * | |
42 | * The parameter @syscall_mask should initially be either NULL or point | |
43 | * to memory allocated with malloc(3) or realloc(3). When the function | |
44 | * returns, it will point to a memory area of the size required for the | |
45 | * bitmask (using realloc(3) to resize the memory). | |
46 | * | |
47 | * It returns 0 if OK, -1 on error. In all cases (error and OK), | |
48 | * @syscall_mask should be freed by the caller with free(3). | |
49 | */ | |
50 | int kernctl_syscall_mask(int fd, char **syscall_mask, | |
51 | uint32_t *nr_bits); | |
52 | ||
ccf10263 MD |
53 | /* Process ID tracking can be applied to session FD */ |
54 | int kernctl_track_pid(int fd, int pid); | |
55 | int kernctl_untrack_pid(int fd, int pid); | |
a5dfbb9d | 56 | int kernctl_list_tracker_pids(int fd); |
ccf10263 | 57 | |
159b042f JG |
58 | int kernctl_track_id(int fd, enum lttng_process_attr process_attr, int id); |
59 | int kernctl_untrack_id(int fd, enum lttng_process_attr process_attr, int id); | |
60 | int kernctl_list_tracker_ids(int fd, enum lttng_process_attr process_attr); | |
d01c0e56 | 61 | |
eded6438 | 62 | int kernctl_session_regenerate_metadata(int fd); |
c2561365 | 63 | int kernctl_session_regenerate_statedump(int fd); |
8ff4109e | 64 | int kernctl_session_set_name(int fd, const char *name); |
e04b2181 | 65 | int kernctl_session_set_creation_time(int fd, time_t time); |
93ec662e | 66 | |
964ccb60 MD |
67 | /* Buffer operations */ |
68 | ||
69 | /* For mmap mode, readable without "get" operation */ | |
70 | int kernctl_get_mmap_len(int fd, unsigned long *len); | |
71 | int kernctl_get_max_subbuf_size(int fd, unsigned long *len); | |
72 | ||
73 | /* | |
74 | * For mmap mode, operate on the current packet (between get/put or | |
75 | * get_next/put_next). | |
76 | */ | |
77 | int kernctl_get_mmap_read_offset(int fd, unsigned long *len); | |
78 | int kernctl_get_subbuf_size(int fd, unsigned long *len); | |
79 | int kernctl_get_padded_subbuf_size(int fd, unsigned long *len); | |
80 | ||
81 | int kernctl_get_next_subbuf(int fd); | |
82 | int kernctl_put_next_subbuf(int fd); | |
83 | ||
84 | /* snapshot */ | |
85 | int kernctl_snapshot(int fd); | |
b007ec59 | 86 | int kernctl_snapshot_sample_positions(int fd); |
964ccb60 MD |
87 | int kernctl_snapshot_get_consumed(int fd, unsigned long *pos); |
88 | int kernctl_snapshot_get_produced(int fd, unsigned long *pos); | |
89 | int kernctl_get_subbuf(int fd, unsigned long *pos); | |
90 | int kernctl_put_subbuf(int fd); | |
91 | ||
92 | int kernctl_buffer_flush(int fd); | |
f22dd891 | 93 | int kernctl_buffer_flush_empty(int fd); |
99930a9d | 94 | int kernctl_buffer_clear(int fd); |
93ec662e | 95 | int kernctl_get_metadata_version(int fd, uint64_t *version); |
8024cc8c | 96 | int kernctl_metadata_cache_dump(int fd); |
964ccb60 | 97 | |
309167d2 JD |
98 | /* index */ |
99 | int kernctl_get_timestamp_begin(int fd, uint64_t *timestamp_begin); | |
100 | int kernctl_get_timestamp_end(int fd, uint64_t *timestamp_end); | |
101 | int kernctl_get_events_discarded(int fd, uint64_t *events_discarded); | |
102 | int kernctl_get_content_size(int fd, uint64_t *content_size); | |
103 | int kernctl_get_packet_size(int fd, uint64_t *packet_size); | |
104 | int kernctl_get_stream_id(int fd, uint64_t *stream_id); | |
d3e2ba59 | 105 | int kernctl_get_current_timestamp(int fd, uint64_t *ts); |
fb83fe64 | 106 | int kernctl_get_sequence_number(int fd, uint64_t *seq); |
000fa86f | 107 | int kernctl_get_instance_id(int fd, uint64_t *seq); |
309167d2 | 108 | |
3bd1e081 | 109 | #endif /* _LTTNG_KERNEL_CTL_H */ |