projects / lttng-ust.git / blame
| Commit | Line | Data |
|---|---|---|
| ebabbf58 | 1 | /* |
| c0c0989a | 2 | * SPDX-License-Identifier: MIT |
| ebabbf58 MD |
3 | * |
| 4 | * Copyright (C) 2020 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
| 5 | * | |
| c0c0989a | 6 | * LTTng Counters API |
| ebabbf58 MD |
7 | */ |
| 8 | ||
| 9 | #ifndef _LTTNG_COUNTER_H | |
| 10 | #define _LTTNG_COUNTER_H | |
| 11 | ||
| 12 | #include <stdint.h> | |
| 13 | #include <lttng/ust-config.h> | |
| 14 | #include "counter-types.h" | |
| 15 | ||
| 16 | /* max_nr_elem is for each dimension. */ | |
| 17 | struct lib_counter *lttng_counter_create(const struct lib_counter_config *config, | |
| 18 | size_t nr_dimensions, | |
| 19 | const size_t *max_nr_elem, | |
| 20 | int64_t global_sum_step, | |
| 21 | int global_counter_fd, | |
| 22 | int nr_counter_cpu_fds, | |
| 23 | const int *counter_cpu_fds, | |
| 1d18d519 MJ |
24 | bool is_daemon) |
| 25 | __attribute__((visibility("hidden"))); | |
| ebabbf58 | 26 | |
| 1d18d519 MJ |
27 | void lttng_counter_destroy(struct lib_counter *counter) |
| 28 | __attribute__((visibility("hidden"))); | |
| ddabe860 | 29 | |
| 1d18d519 MJ |
30 | int lttng_counter_set_global_shm(struct lib_counter *counter, int fd) |
| 31 | __attribute__((visibility("hidden"))); | |
| ebabbf58 | 32 | |
| 1d18d519 MJ |
33 | int lttng_counter_set_cpu_shm(struct lib_counter *counter, int cpu, int fd) |
| 34 | __attribute__((visibility("hidden"))); | |
| ddabe860 | 35 | |
| 1d18d519 MJ |
36 | int lttng_counter_get_global_shm(struct lib_counter *counter, int *fd, size_t *len) |
| 37 | __attribute__((visibility("hidden"))); | |
| 38 | ||
| 39 | int lttng_counter_get_cpu_shm(struct lib_counter *counter, int cpu, int *fd, size_t *len) | |
| 40 | __attribute__((visibility("hidden"))); | |
| ebabbf58 MD |
41 | |
| 42 | int lttng_counter_read(const struct lib_counter_config *config, | |
| 43 | struct lib_counter *counter, | |
| 44 | const size_t *dimension_indexes, | |
| 45 | int cpu, int64_t *value, | |
| 1d18d519 MJ |
46 | bool *overflow, bool *underflow) |
| 47 | __attribute__((visibility("hidden"))); | |
| ddabe860 | 48 | |
| ebabbf58 MD |
49 | int lttng_counter_aggregate(const struct lib_counter_config *config, |
| 50 | struct lib_counter *counter, | |
| 51 | const size_t *dimension_indexes, | |
| 52 | int64_t *value, | |
| 1d18d519 MJ |
53 | bool *overflow, bool *underflow) |
| 54 | __attribute__((visibility("hidden"))); | |
| ddabe860 | 55 | |
| ebabbf58 MD |
56 | int lttng_counter_clear(const struct lib_counter_config *config, |
| 57 | struct lib_counter *counter, | |
| 1d18d519 MJ |
58 | const size_t *dimension_indexes) |
| 59 | __attribute__((visibility("hidden"))); | |
| ebabbf58 MD |
60 | |
| 61 | #endif /* _LTTNG_COUNTER_H */ |