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b6c3dcb2 | 1 | /* |
0235b0db | 2 | * SPDX-License-Identifier: MIT |
b6c3dcb2 | 3 | * |
0235b0db MJ |
4 | * Copyright (C) 2013 Julien Desfossez <jdesfossez@efficios.com> |
5 | * Copyright (C) 2013 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
6 | * Copyright (C) 2013 David Goulet <dgoulet@efficios.com> | |
b6c3dcb2 JG |
7 | */ |
8 | ||
9 | #ifndef LTTNG_INDEX_H | |
10 | #define LTTNG_INDEX_H | |
11 | ||
ef4ef756 | 12 | #include <stddef.h> |
578e048b | 13 | #include "compat/limits.h" |
b6c3dcb2 JG |
14 | |
15 | #define CTF_INDEX_MAGIC 0xC1F1DCC1 | |
16 | #define CTF_INDEX_MAJOR 1 | |
17 | #define CTF_INDEX_MINOR 1 | |
ef4ef756 | 18 | #define CTF_INDEX_1_0_SIZE offsetof(struct ctf_packet_index, stream_instance_id) |
b6c3dcb2 JG |
19 | |
20 | /* | |
21 | * Header at the beginning of each index file. | |
22 | * All integer fields are stored in big endian. | |
23 | */ | |
24 | struct ctf_packet_index_file_hdr { | |
25 | uint32_t magic; | |
26 | uint32_t index_major; | |
27 | uint32_t index_minor; | |
28 | /* size of struct ctf_packet_index, in bytes. */ | |
29 | uint32_t packet_index_len; | |
30 | } __attribute__((__packed__)); | |
31 | ||
32 | /* | |
33 | * Packet index generated for each trace packet store in a trace file. | |
34 | * All integer fields are stored in big endian. | |
35 | */ | |
36 | struct ctf_packet_index { | |
37 | uint64_t offset; /* offset of the packet in the file, in bytes */ | |
38 | uint64_t packet_size; /* packet size, in bits */ | |
39 | uint64_t content_size; /* content size, in bits */ | |
40 | uint64_t timestamp_begin; | |
41 | uint64_t timestamp_end; | |
42 | uint64_t events_discarded; | |
43 | uint64_t stream_id; | |
44 | /* CTF_INDEX 1.0 limit */ | |
45 | uint64_t stream_instance_id; /* ID of the channel instance */ | |
46 | uint64_t packet_seq_num; /* packet sequence number */ | |
47 | } __attribute__((__packed__)); | |
48 | ||
49 | #endif /* LTTNG_INDEX_H */ |