1 /* 2 * Copyright (C) 2022 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 <chrono> 20 #include <iostream> 21 22 #include "ThrottleDecision.h" 23 24 namespace aidl { 25 namespace google { 26 namespace hardware { 27 namespace power { 28 namespace impl { 29 namespace pixel { 30 31 struct AdaptiveCpuConfig { 32 static bool ReadFromSystemProperties(AdaptiveCpuConfig *output); 33 static const AdaptiveCpuConfig DEFAULT; 34 35 // How long to sleep for between Adaptive CPU runs. 36 std::chrono::milliseconds iterationSleepDuration; 37 // Timeout applied to hints. If Adaptive CPU doesn't receive any frames in this time, CPU 38 // throttling hints are cancelled. 39 std::chrono::milliseconds hintTimeout; 40 // Instead of throttling based on model output, choose a random throttle X% of the time. Must be 41 // between 0 and 1 inclusive. 42 double randomThrottleDecisionProbability; 43 std::vector<ThrottleDecision> randomThrottleOptions; 44 // Setting AdaptiveCpu to enabled only lasts this long. For a continuous run, AdaptiveCpu needs 45 // to receive the enabled hint more frequently than this value. 46 std::chrono::milliseconds enabledHintTimeout; 47 48 bool operator==(const AdaptiveCpuConfig &other) const; 49 }; 50 51 std::ostream &operator<<(std::ostream &os, const AdaptiveCpuConfig &config); 52 53 } // namespace pixel 54 } // namespace impl 55 } // namespace power 56 } // namespace hardware 57 } // namespace google 58 } // namespace aidl 59