18bf80f4bSopenharmony_ci/* 28bf80f4bSopenharmony_ci * Copyright (c) 2024 Huawei Device Co., Ltd. 38bf80f4bSopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 48bf80f4bSopenharmony_ci * you may not use this file except in compliance with the License. 58bf80f4bSopenharmony_ci * You may obtain a copy of the License at 68bf80f4bSopenharmony_ci * 78bf80f4bSopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 88bf80f4bSopenharmony_ci * 98bf80f4bSopenharmony_ci * Unless required by applicable law or agreed to in writing, software 108bf80f4bSopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 118bf80f4bSopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 128bf80f4bSopenharmony_ci * See the License for the specific language governing permissions and 138bf80f4bSopenharmony_ci * limitations under the License. 148bf80f4bSopenharmony_ci */ 158bf80f4bSopenharmony_ci 168bf80f4bSopenharmony_ci#ifndef API_CORE_PERF_CPU_TIMER_H 178bf80f4bSopenharmony_ci#define API_CORE_PERF_CPU_TIMER_H 188bf80f4bSopenharmony_ci 198bf80f4bSopenharmony_ci#include <cstdint> 208bf80f4bSopenharmony_ci 218bf80f4bSopenharmony_ci#include <render/namespace.h> 228bf80f4bSopenharmony_ci 238bf80f4bSopenharmony_ciRENDER_BEGIN_NAMESPACE() 248bf80f4bSopenharmony_ci/** 258bf80f4bSopenharmony_ci * CpuTimer. 268bf80f4bSopenharmony_ci * Simple cpu timer class. 278bf80f4bSopenharmony_ci */ 288bf80f4bSopenharmony_ciclass CpuTimer { 298bf80f4bSopenharmony_cipublic: 308bf80f4bSopenharmony_ci void Begin() noexcept; 318bf80f4bSopenharmony_ci void End() noexcept; 328bf80f4bSopenharmony_ci 338bf80f4bSopenharmony_ci int64_t GetMicroseconds() const noexcept; 348bf80f4bSopenharmony_ci 358bf80f4bSopenharmony_ciprivate: 368bf80f4bSopenharmony_ci int64_t begin_ {}; 378bf80f4bSopenharmony_ci int64_t end_ {}; 388bf80f4bSopenharmony_ci}; 398bf80f4bSopenharmony_ciRENDER_END_NAMESPACE() 408bf80f4bSopenharmony_ci 418bf80f4bSopenharmony_ci#endif // API_CORE_PERF_CPU_TIMER_H 42