| 1 | /* |
| 2 | * Copyright (C) 2010 Pierre-Marc Fournier |
| 3 | * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0-only |
| 6 | * |
| 7 | */ |
| 8 | |
| 9 | #ifndef _UST_CLOCK_H |
| 10 | #define _UST_CLOCK_H |
| 11 | |
| 12 | #include <common/compat/time.h> |
| 13 | #include <sys/time.h> |
| 14 | #include <stdint.h> |
| 15 | #include <stddef.h> |
| 16 | #include <stdio.h> |
| 17 | #include <urcu/system.h> |
| 18 | #include <urcu/arch.h> |
| 19 | #include <lttng/ust-clock.h> |
| 20 | |
| 21 | #include <common/uuid.h> |
| 22 | |
| 23 | static __inline__ |
| 24 | uint64_t trace_clock_read64(void) |
| 25 | { |
| 26 | uint64_t clock_value = 0; |
| 27 | lttng_ust_clock_read64_function read64_cb; |
| 28 | |
| 29 | if (lttng_ust_trace_clock_get_read64_cb(&read64_cb)) { |
| 30 | goto end; |
| 31 | } |
| 32 | |
| 33 | clock_value = read64_cb(); |
| 34 | end: |
| 35 | return clock_value; |
| 36 | } |
| 37 | |
| 38 | static __inline__ |
| 39 | uint64_t trace_clock_freq(void) |
| 40 | { |
| 41 | uint64_t frequency = 0; |
| 42 | lttng_ust_clock_freq_function get_freq_cb; |
| 43 | |
| 44 | if (lttng_ust_trace_clock_get_freq_cb(&get_freq_cb)) { |
| 45 | goto end; |
| 46 | } |
| 47 | |
| 48 | frequency = get_freq_cb(); |
| 49 | end: |
| 50 | return frequency; |
| 51 | } |
| 52 | |
| 53 | static __inline__ |
| 54 | int trace_clock_uuid(char *uuid) |
| 55 | { |
| 56 | int ret; |
| 57 | lttng_ust_clock_uuid_function get_uuid_cb; |
| 58 | |
| 59 | if (lttng_ust_trace_clock_get_uuid_cb(&get_uuid_cb)) { |
| 60 | ret = -EINVAL; |
| 61 | goto end; |
| 62 | } |
| 63 | |
| 64 | ret = get_uuid_cb(uuid); |
| 65 | end: |
| 66 | return ret; |
| 67 | |
| 68 | } |
| 69 | |
| 70 | static __inline__ |
| 71 | const char *trace_clock_name(void) |
| 72 | { |
| 73 | const char *name; |
| 74 | lttng_ust_clock_name_function get_name_cb; |
| 75 | |
| 76 | if (lttng_ust_trace_clock_get_name_cb(&get_name_cb)) { |
| 77 | name = NULL; |
| 78 | goto end; |
| 79 | } |
| 80 | |
| 81 | name = get_name_cb(); |
| 82 | end: |
| 83 | return name; |
| 84 | } |
| 85 | |
| 86 | static __inline__ |
| 87 | const char *trace_clock_description(void) |
| 88 | { |
| 89 | const char *description; |
| 90 | lttng_ust_clock_description_function get_description_cb; |
| 91 | |
| 92 | if (lttng_ust_trace_clock_get_description_cb(&get_description_cb)) { |
| 93 | description = NULL; |
| 94 | goto end; |
| 95 | } |
| 96 | |
| 97 | description = get_description_cb(); |
| 98 | end: |
| 99 | return description; |
| 100 | } |
| 101 | |
| 102 | #endif /* _UST_CLOCK_H */ |