| 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 */ |