1 /* 2 * Copyright 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/BnPowerHintSession.h> 20 #include <aidl/android/hardware/power/SessionTag.h> 21 22 #include <chrono> 23 24 namespace aidl::google::hardware::power::impl::pixel { 25 26 // The App Hint Descriptor struct manages information necessary 27 // to calculate the next uclamp min value from the PID function 28 // and is separate so that it can be used as a pointer for 29 // easily passing to the pid function 30 struct AppHintDesc { AppHintDescAppHintDesc31 AppHintDesc(int64_t sessionId, int32_t tgid, int32_t uid, const std::vector<int32_t> &threadIds, 32 android::hardware::power::SessionTag tag, std::chrono::nanoseconds pTargetNs) 33 : sessionId(sessionId), 34 tgid(tgid), 35 uid(uid), 36 targetNs(pTargetNs), 37 thread_ids(threadIds), 38 tag(tag), 39 pidControlVariable(0), 40 is_active(true), 41 update_count(0), 42 integral_error(0), 43 previous_error(0) {} 44 45 std::string toString() const; 46 int64_t sessionId{0}; 47 const int32_t tgid; 48 const int32_t uid; 49 std::chrono::nanoseconds targetNs; 50 std::vector<int32_t> thread_ids; 51 android::hardware::power::SessionTag tag; 52 int pidControlVariable; 53 // status 54 std::atomic<bool> is_active; 55 // pid 56 uint64_t update_count = 0; 57 int64_t integral_error = 0; 58 int64_t previous_error = 0; 59 }; 60 61 } // namespace aidl::google::hardware::power::impl::pixel 62