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 #ifndef FFRT_QUEUE_MONITOR_H 16 #define FFRT_QUEUE_MONITOR_H 17 18 #include <vector> 19 #include <sstream> 20 #include <shared_mutex> 21 #include "util/slab.h" 22 #include "sched/execute_ctx.h" 23 #include "tm/queue_task.h" 24 25 namespace ffrt { 26 class QueueHandler; 27 class QueueMonitor { 28 public: 29 static QueueMonitor &GetInstance(); 30 void RegisterQueue(QueueHandler* queue); 31 void DeregisterQueue(QueueHandler* queue); 32 void UpdateQueueInfo(); 33 std::string DumpQueueTimeoutInfo(); 34 35 private: 36 QueueMonitor(); 37 ~QueueMonitor(); 38 QueueMonitor(const QueueMonitor &) = delete; 39 QueueMonitor(QueueMonitor &&) = delete; 40 QueueMonitor &operator=(const QueueMonitor &) = delete; 41 QueueMonitor &operator=(QueueMonitor &&) = delete; 42 43 void SetAlarm(uint64_t steadyUs); 44 void ScheduleAlarm(); 45 void CheckTimeout(uint64_t& nextTaskStart); 46 void ReportEventTimeout(uint64_t curGid, const std::stringstream& ss); 47 void UpdateTimeoutUs(); 48 49 WaitUntilEntry* we_ = nullptr; 50 std::atomic<uint64_t> timeoutUs_ = 0; 51 std::stringstream timeoutMSG_; 52 std::shared_mutex infoMutex_; 53 std::atomic_bool suspendAlarm_ = {true}; 54 std::vector<QueueHandler*> queuesInfo_; 55 std::vector<std::pair<uint64_t, std::string>> taskTimeoutInfo_; 56 }; 57 } // namespace ffrt 58 59 #endif // FFRT_QUEUE_MONITOR_H 60