projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| 309167d2 JD |
1 | /* |
| 2 | * Copyright (C) 2013 - Julien Desfossez <jdesfossez@efficios.com> | |
| c404302f | 3 | * Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 309167d2 JD |
4 | * David Goulet <dgoulet@efficios.com> |
| 5 | * | |
| c404302f JD |
6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal | |
| 8 | * in the Software without restriction, including without limitation the rights | |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| 10 | * copies of the Software, and to permit persons to whom the Software is | |
| 11 | * furnished to do so, subject to the following conditions: | |
| 309167d2 | 12 | * |
| c404302f JD |
13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. | |
| 309167d2 | 15 | * |
| c404302f JD |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
| 22 | * SOFTWARE. | |
| 309167d2 JD |
23 | */ |
| 24 | ||
| 25 | #ifndef LTTNG_INDEX_H | |
| 26 | #define LTTNG_INDEX_H | |
| 27 | ||
| 28 | #include <limits.h> | |
| 29 | ||
| 30 | #define INDEX_MAGIC "CTFIDX" | |
| 31 | #define INDEX_MAJOR 1 | |
| 32 | #define INDEX_MINOR 0 | |
| 33 | ||
| 34 | /* | |
| 35 | * Header at the beginning of each index file. | |
| 36 | * All integer fields are stored in big endian. | |
| 37 | */ | |
| 38 | struct lttng_packet_index_file_hdr { | |
| 39 | char magic[6]; | |
| 40 | uint32_t index_major; | |
| 41 | uint32_t index_minor; | |
| 42 | } __attribute__((__packed__)); | |
| 43 | ||
| 44 | /* | |
| 45 | * Packet index generated for each trace packet store in a trace file. | |
| 46 | * All integer fields are stored in big endian. | |
| 47 | */ | |
| 48 | struct lttng_packet_index { | |
| 49 | uint64_t offset; /* offset of the packet in the file, in bytes */ | |
| 50 | uint64_t packet_size; /* packet size, in bits */ | |
| 51 | uint64_t content_size; /* content size, in bits */ | |
| 52 | uint64_t timestamp_begin; | |
| 53 | uint64_t timestamp_end; | |
| 54 | uint64_t events_discarded; | |
| 55 | uint64_t stream_id; | |
| 56 | } __attribute__((__packed__)); | |
| 57 | ||
| 58 | #endif /* LTTNG_INDEX_H */ |