developtools_profiler/timestamps/timestamps.cpp
wenlong12 112d44d9e2 版权信息整改
Signed-off-by:wenlong12 <wenlong12@huawei.com>

Signed-off-by: wenlong12 <wenlong12@huawei.com>
2023-08-14 20:06:28 +08:00

53 lines
1.7 KiB
C++

/*
* Copyright (c) Huawei Technologies Co., Ltd. 2023. All rights reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <string>
#include <vector>
#define TOSTRING(x) #x
struct ClockTime {
std::string name;
clockid_t clockId;
struct timespec ts;
};
int main()
{
std::vector<ClockTime> times = {
{ TOSTRING(CLOCK_REALTIME), CLOCK_REALTIME, { 0 } },
{ TOSTRING(CLOCK_REALTIME_ALARM), CLOCK_REALTIME_ALARM, { 0 } },
{ TOSTRING(CLOCK_REALTIME_COARSE), CLOCK_REALTIME_COARSE, { 0 } },
{ TOSTRING(CLOCK_MONOTONIC), CLOCK_MONOTONIC, { 0 } },
{ TOSTRING(CLOCK_MONOTONIC_COARSE), CLOCK_MONOTONIC_COARSE, { 0 } },
{ TOSTRING(CLOCK_MONOTONIC_RAW), CLOCK_MONOTONIC_RAW, { 0 } },
{ TOSTRING(CLOCK_BOOTTIME), CLOCK_BOOTTIME, { 0 } },
{ TOSTRING(CLOCK_BOOTTIME_ALARM), CLOCK_BOOTTIME_ALARM, { 0 } },
};
for (auto& time : times) {
clock_gettime(time.clockId, &time.ts);
}
for (auto& time : times) {
printf("%-25s: %10lld.%09ld\n", time.name.c_str(),
static_cast<long long>(time.ts.tv_sec), time.ts.tv_nsec);
}
fflush(stdout);
return 0;
}