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0f2d58c9 PP |
1 | /* |
2 | * Copyright (c) 2015-2018 Philippe Proulx <pproulx@efficios.com> | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
5 | * of this software and associated documentation files (the "Software"), to deal | |
6 | * in the Software without restriction, including without limitation the rights | |
7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
8 | * copies of the Software, and to permit persons to whom the Software is | |
9 | * furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
20 | * SOFTWARE. | |
21 | */ | |
22 | ||
350ad6c1 | 23 | #define BT_LOG_TAG "LIB/UTIL" |
c2d9d9cf | 24 | #include "lib/logging.h" |
0f2d58c9 | 25 | |
578e048b | 26 | #include "lib/assert-pre.h" |
0f2d58c9 PP |
27 | #include <stdlib.h> |
28 | #include <string.h> | |
29 | #include <string.h> | |
30 | #include <inttypes.h> | |
3fadfbc0 | 31 | #include <babeltrace2/util.h> |
578e048b | 32 | #include "lib/trace-ir/utils.h" |
0f2d58c9 PP |
33 | |
34 | bt_util_status bt_util_clock_cycles_to_ns_from_origin(uint64_t cycles, | |
35 | uint64_t frequency, int64_t offset_seconds, | |
36 | uint64_t offset_cycles, int64_t *ns) | |
37 | { | |
38 | bool overflows; | |
39 | int64_t base_offset_ns; | |
40 | bt_util_status status = BT_UTIL_STATUS_OK; | |
41 | int ret; | |
42 | ||
43 | BT_ASSERT_PRE_NON_NULL(ns, "Nanoseconds (output)"); | |
44 | BT_ASSERT_PRE(frequency != UINT64_C(-1) && frequency != 0, | |
45 | "Invalid frequency: freq=%" PRIu64, frequency); | |
46 | BT_ASSERT_PRE(offset_cycles < frequency, | |
47 | "Offset (cycles) is greater than frequency: " | |
48 | "offset-cycles=%" PRIu64 ", freq=%" PRIu64, | |
49 | offset_cycles, frequency); | |
50 | ||
51 | overflows = bt_util_get_base_offset_ns(offset_seconds, offset_cycles, | |
52 | frequency, &base_offset_ns); | |
53 | if (overflows) { | |
54 | status = BT_UTIL_STATUS_OVERFLOW; | |
55 | goto end; | |
56 | } | |
57 | ||
58 | ret = bt_util_ns_from_origin_inline(base_offset_ns, | |
59 | offset_seconds, offset_cycles, | |
60 | frequency, cycles, ns); | |
61 | if (ret) { | |
62 | status = BT_UTIL_STATUS_OVERFLOW; | |
63 | } | |
64 | ||
65 | end: | |
66 | return status; | |
67 | } |