1 /*
2  * Copyright (c) 2024 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "hidebug_util.h"
17 
18 #include <ctime>
19 #include <thread>
20 
21 namespace OHOS {
22 namespace HiviewDFX {
GetElapsedNanoSecondsSinceBoot()23 int64_t GetElapsedNanoSecondsSinceBoot()
24 {
25     struct timespec times = {0, 0};
26     clock_gettime(CLOCK_BOOTTIME, &times);
27     constexpr static int secondToNanosecond = 1 * 1000 * 1000 * 1000;
28     return times.tv_sec * secondToNanosecond + times.tv_nsec;
29 }
30 
GetNanoSecondsTimestamp()31 int64_t GetNanoSecondsTimestamp()
32 {
33     struct timespec times = {0, 0};
34     clock_gettime(CLOCK_REALTIME, &times);
35     constexpr static int secondToNanosecond = 1 * 1000 * 1000 * 1000;
36     return times.tv_sec * secondToNanosecond + times.tv_nsec;
37 }
38 }
39 }