| 1 | /* |
| 2 | * SPDX-License-Identifier: MIT |
| 3 | * |
| 4 | * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com> |
| 5 | */ |
| 6 | |
| 7 | #ifndef BABELTRACE_TRACE_IR_CLOCK_SNAPSHOT_INTERNAL_H |
| 8 | #define BABELTRACE_TRACE_IR_CLOCK_SNAPSHOT_INTERNAL_H |
| 9 | |
| 10 | #include "common/macros.h" |
| 11 | #include "lib/object.h" |
| 12 | #include <stdbool.h> |
| 13 | #include <stdint.h> |
| 14 | |
| 15 | #include "clock-class.h" |
| 16 | #include "utils.h" |
| 17 | |
| 18 | struct bt_clock_class; |
| 19 | |
| 20 | struct bt_clock_snapshot { |
| 21 | struct bt_object base; |
| 22 | struct bt_clock_class *clock_class; |
| 23 | uint64_t value_cycles; |
| 24 | bool ns_from_origin_overflows; |
| 25 | int64_t ns_from_origin; |
| 26 | bool is_set; |
| 27 | }; |
| 28 | |
| 29 | static inline |
| 30 | void bt_clock_snapshot_set(struct bt_clock_snapshot *clock_snapshot) |
| 31 | { |
| 32 | BT_ASSERT_DBG(clock_snapshot); |
| 33 | clock_snapshot->is_set = true; |
| 34 | } |
| 35 | |
| 36 | static inline |
| 37 | void bt_clock_snapshot_reset(struct bt_clock_snapshot *clock_snapshot) |
| 38 | { |
| 39 | BT_ASSERT_DBG(clock_snapshot); |
| 40 | clock_snapshot->is_set = false; |
| 41 | } |
| 42 | |
| 43 | static inline |
| 44 | void set_ns_from_origin(struct bt_clock_snapshot *clock_snapshot) |
| 45 | { |
| 46 | if (bt_util_ns_from_origin_clock_class(clock_snapshot->clock_class, |
| 47 | clock_snapshot->value_cycles, |
| 48 | &clock_snapshot->ns_from_origin)) { |
| 49 | clock_snapshot->ns_from_origin_overflows = true; |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | static inline |
| 54 | void bt_clock_snapshot_set_raw_value(struct bt_clock_snapshot *clock_snapshot, |
| 55 | uint64_t cycles) |
| 56 | { |
| 57 | BT_ASSERT_DBG(clock_snapshot); |
| 58 | clock_snapshot->value_cycles = cycles; |
| 59 | set_ns_from_origin(clock_snapshot); |
| 60 | bt_clock_snapshot_set(clock_snapshot); |
| 61 | } |
| 62 | |
| 63 | BT_HIDDEN |
| 64 | void bt_clock_snapshot_destroy(struct bt_clock_snapshot *clock_snapshot); |
| 65 | |
| 66 | BT_HIDDEN |
| 67 | struct bt_clock_snapshot *bt_clock_snapshot_new(struct bt_clock_class *clock_class); |
| 68 | |
| 69 | BT_HIDDEN |
| 70 | struct bt_clock_snapshot *bt_clock_snapshot_create( |
| 71 | struct bt_clock_class *clock_class); |
| 72 | |
| 73 | BT_HIDDEN |
| 74 | void bt_clock_snapshot_recycle(struct bt_clock_snapshot *clock_snapshot); |
| 75 | |
| 76 | #endif /* BABELTRACE_TRACE_IR_CLOCK_SNAPSHOT_INTERNAL_H */ |