1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef SCPU_MONITOR_H 17 #define SCPU_MONITOR_H 18 19 #include "eu/cpu_manager_strategy.h" 20 #include "eu/cpu_monitor.h" 21 22 namespace ffrt { 23 24 class SCPUMonitor : public CPUMonitor { 25 public: SCPUMonitor(CpuMonitorOps && ops)26 SCPUMonitor(CpuMonitorOps&& ops) : CPUMonitor(std::move(ops), ExecuteEscape) {} 27 void IntoSleep(const QoS& qos) override; 28 void IntoPollWait(const QoS& qos) override; 29 void Notify(const QoS& qos, TaskNotifyType notifyType) override; 30 void WorkerInit() override; 31 32 /* strategy options for handling task notify events */ 33 static void HandleTaskNotifyDefault(const QoS& qos, void* monitorPtr, TaskNotifyType notifyType); 34 static void HandleTaskNotifyConservative(const QoS& qos, void* monitorPtr, TaskNotifyType notifyType); 35 static void HandleTaskNotifyUltraConservative(const QoS& qos, void* monitorPtr, TaskNotifyType notifyType); 36 37 private: 38 void Poke(const QoS& qos, uint32_t taskCount, TaskNotifyType notifyType); 39 40 static void ExecuteEscape(int qos, void* monitorPtr); 41 }; 42 } 43 #endif /* SCPU_MONITOR_H */