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ebabbf58 MD |
1 | /* |
2 | * lttng/counter-config.h | |
3 | * | |
4 | * LTTng Counters Configuration | |
5 | * | |
6 | * Copyright (C) 2020 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
7 | * | |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
9 | * of this software and associated documentation files (the "Software"), to deal | |
10 | * in the Software without restriction, including without limitation the rights | |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
12 | * copies of the Software, and to permit persons to whom the Software is | |
13 | * furnished to do so, subject to the following conditions: | |
14 | * | |
15 | * The above copyright notice and this permission notice shall be included in | |
16 | * all copies or substantial portions of the Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
21 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
24 | * SOFTWARE. | |
25 | */ | |
26 | ||
27 | #ifndef _LTTNG_COUNTER_CONFIG_H | |
28 | #define _LTTNG_COUNTER_CONFIG_H | |
29 | ||
30 | #include <stdint.h> | |
31 | ||
32 | enum lib_counter_config_alloc { | |
33 | COUNTER_ALLOC_PER_CPU = (1 << 0), | |
34 | COUNTER_ALLOC_GLOBAL = (1 << 1), | |
35 | }; | |
36 | ||
37 | enum lib_counter_config_sync { | |
38 | COUNTER_SYNC_PER_CPU, | |
39 | COUNTER_SYNC_GLOBAL, | |
40 | }; | |
41 | ||
42 | struct lib_counter_config { | |
43 | uint32_t alloc; /* enum lib_counter_config_alloc flags */ | |
44 | enum lib_counter_config_sync sync; | |
45 | enum { | |
46 | COUNTER_ARITHMETIC_MODULAR, | |
47 | COUNTER_ARITHMETIC_SATURATE, /* TODO */ | |
48 | } arithmetic; | |
49 | enum { | |
50 | COUNTER_SIZE_8_BIT = 1, | |
51 | COUNTER_SIZE_16_BIT = 2, | |
52 | COUNTER_SIZE_32_BIT = 4, | |
53 | COUNTER_SIZE_64_BIT = 8, | |
54 | } counter_size; | |
55 | }; | |
56 | ||
57 | #endif /* _LTTNG_COUNTER_CONFIG_H */ |