1 /* 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <aidl/android/hardware/power/WorkDuration.h> 20 21 #include <chrono> 22 23 #include "PhysicalQuantityTypes.h" 24 25 using aidl::android::hardware::power::WorkDuration; 26 27 namespace aidl { 28 namespace google { 29 namespace hardware { 30 namespace power { 31 namespace impl { 32 namespace pixel { 33 gpu_time_attribution(std::chrono::nanoseconds total,std::chrono::nanoseconds gpu)34inline double gpu_time_attribution(std::chrono::nanoseconds total, std::chrono::nanoseconds gpu) { 35 using std::literals::chrono_literals::operator""ns; 36 if (total == 0ns) { 37 return 0.0; 38 } 39 return std::chrono::duration_cast<std::chrono::duration<double, std::nano>>(gpu) / total; 40 } 41 42 Cycles calculate_capacity(WorkDuration observation, std::chrono::nanoseconds target, 43 Frequency gpu_frequency); 44 45 } // namespace pixel 46 } // namespace impl 47 } // namespace power 48 } // namespace hardware 49 } // namespace google 50 } // namespace aidl 51