/* * Copyright (c) 2024 Huawei Device Co., Ltd. * 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 "hidebug_util.h" #include #include namespace OHOS { namespace HiviewDFX { int64_t GetElapsedNanoSecondsSinceBoot() { struct timespec times = {0, 0}; clock_gettime(CLOCK_BOOTTIME, ×); constexpr static int secondToNanosecond = 1 * 1000 * 1000 * 1000; return times.tv_sec * secondToNanosecond + times.tv_nsec; } } }