1 #ifndef BABELTRACE_TRACE_IR_CLOCK_SNAPSHOT_INTERNAL_H
2 #define BABELTRACE_TRACE_IR_CLOCK_SNAPSHOT_INTERNAL_H
5 * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
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:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
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
26 #include "common/macros.h"
27 #include "lib/object.h"
31 #include "clock-class.h"
34 struct bt_clock_class
;
36 struct bt_clock_snapshot
{
37 struct bt_object base
;
38 struct bt_clock_class
*clock_class
;
39 uint64_t value_cycles
;
40 bool ns_from_origin_overflows
;
41 int64_t ns_from_origin
;
46 void bt_clock_snapshot_set(struct bt_clock_snapshot
*clock_snapshot
)
48 BT_ASSERT(clock_snapshot
);
49 clock_snapshot
->is_set
= true;
53 void bt_clock_snapshot_reset(struct bt_clock_snapshot
*clock_snapshot
)
55 BT_ASSERT(clock_snapshot
);
56 clock_snapshot
->is_set
= false;
60 void set_ns_from_origin(struct bt_clock_snapshot
*clock_snapshot
)
62 if (bt_util_ns_from_origin_clock_class(clock_snapshot
->clock_class
,
63 clock_snapshot
->value_cycles
,
64 &clock_snapshot
->ns_from_origin
)) {
65 clock_snapshot
->ns_from_origin_overflows
= true;
70 void bt_clock_snapshot_set_raw_value(struct bt_clock_snapshot
*clock_snapshot
,
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
);
80 void bt_clock_snapshot_destroy(struct bt_clock_snapshot
*clock_snapshot
);
83 struct bt_clock_snapshot
*bt_clock_snapshot_new(struct bt_clock_class
*clock_class
);
86 struct bt_clock_snapshot
*bt_clock_snapshot_create(
87 struct bt_clock_class
*clock_class
);
90 void bt_clock_snapshot_recycle(struct bt_clock_snapshot
*clock_snapshot
);
92 #endif /* BABELTRACE_TRACE_IR_CLOCK_SNAPSHOT_INTERNAL_H */
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