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605e1019 PP |
1 | #ifndef BABELTRACE_TRACE_IR_CLOCK_SNAPSHOT_INTERNAL_H |
2 | #define BABELTRACE_TRACE_IR_CLOCK_SNAPSHOT_INTERNAL_H | |
c057dea0 PP |
3 | |
4 | /* | |
e2f7325d | 5 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
c057dea0 PP |
6 | * |
7 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
8 | * of this software and associated documentation files (the "Software"), to deal | |
9 | * in the Software without restriction, including without limitation the rights | |
10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
11 | * copies of the Software, and to permit persons to whom the Software is | |
12 | * furnished to do so, subject to the following conditions: | |
13 | * | |
14 | * The above copyright notice and this permission notice shall be included in | |
15 | * all copies or substantial portions of the Software. | |
16 | * | |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
20 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
23 | * SOFTWARE. | |
24 | */ | |
25 | ||
91d81473 | 26 | #include "common/macros.h" |
578e048b | 27 | #include "lib/object.h" |
c057dea0 PP |
28 | #include <stdbool.h> |
29 | #include <stdint.h> | |
30 | ||
578e048b MJ |
31 | #include "clock-class.h" |
32 | #include "utils.h" | |
33 | ||
50842bdc | 34 | struct bt_clock_class; |
c057dea0 | 35 | |
605e1019 | 36 | struct bt_clock_snapshot { |
c057dea0 | 37 | struct bt_object base; |
50842bdc | 38 | struct bt_clock_class *clock_class; |
44c440bc PP |
39 | uint64_t value_cycles; |
40 | bool ns_from_origin_overflows; | |
41 | int64_t ns_from_origin; | |
312c056a | 42 | bool is_set; |
c057dea0 PP |
43 | }; |
44 | ||
312c056a | 45 | static inline |
605e1019 | 46 | void bt_clock_snapshot_set(struct bt_clock_snapshot *clock_snapshot) |
312c056a | 47 | { |
605e1019 PP |
48 | BT_ASSERT(clock_snapshot); |
49 | clock_snapshot->is_set = true; | |
312c056a PP |
50 | } |
51 | ||
52 | static inline | |
605e1019 | 53 | void bt_clock_snapshot_reset(struct bt_clock_snapshot *clock_snapshot) |
312c056a | 54 | { |
605e1019 PP |
55 | BT_ASSERT(clock_snapshot); |
56 | clock_snapshot->is_set = false; | |
312c056a PP |
57 | } |
58 | ||
312c056a | 59 | static inline |
605e1019 | 60 | void set_ns_from_origin(struct bt_clock_snapshot *clock_snapshot) |
312c056a | 61 | { |
0f2d58c9 PP |
62 | if (bt_util_ns_from_origin_clock_class(clock_snapshot->clock_class, |
63 | clock_snapshot->value_cycles, | |
605e1019 PP |
64 | &clock_snapshot->ns_from_origin)) { |
65 | clock_snapshot->ns_from_origin_overflows = true; | |
e22b45d0 | 66 | } |
e22b45d0 PP |
67 | } |
68 | ||
69 | static inline | |
605e1019 | 70 | void bt_clock_snapshot_set_raw_value(struct bt_clock_snapshot *clock_snapshot, |
e22b45d0 PP |
71 | uint64_t cycles) |
72 | { | |
605e1019 PP |
73 | BT_ASSERT(clock_snapshot); |
74 | clock_snapshot->value_cycles = cycles; | |
75 | set_ns_from_origin(clock_snapshot); | |
76 | bt_clock_snapshot_set(clock_snapshot); | |
e22b45d0 PP |
77 | } |
78 | ||
44c440bc | 79 | BT_HIDDEN |
605e1019 | 80 | void bt_clock_snapshot_destroy(struct bt_clock_snapshot *clock_snapshot); |
44c440bc PP |
81 | |
82 | BT_HIDDEN | |
605e1019 | 83 | struct bt_clock_snapshot *bt_clock_snapshot_new(struct bt_clock_class *clock_class); |
312c056a PP |
84 | |
85 | BT_HIDDEN | |
605e1019 | 86 | struct bt_clock_snapshot *bt_clock_snapshot_create( |
312c056a PP |
87 | struct bt_clock_class *clock_class); |
88 | ||
89 | BT_HIDDEN | |
605e1019 | 90 | void bt_clock_snapshot_recycle(struct bt_clock_snapshot *clock_snapshot); |
312c056a | 91 | |
605e1019 | 92 | #endif /* BABELTRACE_TRACE_IR_CLOCK_SNAPSHOT_INTERNAL_H */ |