1 /* 2 * Copyright (c) Huawei Technologies Co., Ltd. 2023. All rights reserved. 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 CPU_FILTER_H 17 #define CPU_FILTER_H 18 19 #include <cstdint> 20 #include <limits> 21 #include <map> 22 #include <string_view> 23 #include <tuple> 24 #include <unordered_map> 25 26 #include "filter_base.h" 27 #include "trace_data_cache.h" 28 #include "trace_streamer_filters.h" 29 #include "ts_common.h" 30 31 namespace SysTuning { 32 namespace TraceStreamer { 33 class CpuFilter : private FilterBase { 34 public: 35 CpuFilter(TraceDataCache *dataCache, const TraceStreamerFilters *filter); 36 CpuFilter(const CpuFilter &) = delete; 37 CpuFilter &operator=(const CpuFilter &) = delete; 38 ~CpuFilter() override; 39 40 public: 41 void InsertSwitchEvent(uint64_t ts, 42 uint64_t cpu, 43 uint32_t prevPid, 44 int32_t prevPrio, 45 uint64_t prevState, 46 uint32_t nextPid, 47 int32_t nextPrio, 48 DataIndex nextInfo); 49 bool InsertBlockedReasonEvent(uint64_t cpu, uint32_t iTid, bool iowait, DataIndex caller, uint32_t delay); 50 void InsertWakeupEvent(uint64_t ts, uint32_t internalTid, bool isWaking = false); 51 bool InsertProcessExitEvent(uint64_t ts, uint64_t cpu, uint32_t pid); 52 bool InsertProcessFreeEvent(uint64_t ts, uint32_t pid); 53 void InsertRunnableBinderEvent(uint32_t transactionId, uint32_t iTid); 54 void InsertRunnableBinderRecvEvent(uint32_t transactionId, uint32_t iTid); 55 void Finish() const; 56 void Clear(); 57 void UpdateProcessData(bool isFinish = false) const; UpdateReadySize()58 void UpdateReadySize() 59 { 60 UpdateProcessData(); 61 uint64_t minSchedSliceRowToBeUpdated = INVALID_UINT64; 62 for (const auto &[_, binderTransactionInfo] : transactionIdToInfo_) { 63 if (minSchedSliceRowToBeUpdated > binderTransactionInfo.schedSliceRow) { 64 minSchedSliceRowToBeUpdated = binderTransactionInfo.schedSliceRow; 65 } 66 } 67 UpdateSchedSliceReadySize(minSchedSliceRowToBeUpdated); 68 } 69 70 private: 71 struct BinderTransactionInfo { 72 uint32_t iTidFrom; 73 uint32_t iTidTo; 74 uint64_t schedSliceRow; 75 uint64_t threadStateRow; 76 }; 77 void CheckWakeupEvent(uint32_t internalTid); 78 uint64_t RemberInternalTidInStateTable(uint32_t uid, uint64_t row, uint64_t state = TASK_INVALID); 79 uint64_t RowOfInternalTidInStateTable(uint32_t uid) const; 80 void ClearInternalTidInStateTable(uint32_t uid); 81 uint64_t StateOfInternalTidInStateTable(uint32_t uid) const; 82 void TransactionClear(uint32_t iTidFrom, uint32_t transactionId); 83 void ProcNextPidSwitchEvent(uint64_t ts, uint64_t cpu, uint32_t prevPid, uint32_t nextPid, DataIndex nextInfo); 84 void ProcPrevPidSwitchEvent(uint64_t ts, 85 uint64_t cpu, 86 uint32_t prevPid, 87 uint64_t prevState, 88 BinderTransactionInfo &btInfo); 89 bool UpdateSchedSliceReadySize(uint64_t minSchedSliceRowToBeUpdated = INVALID_UINT64); 90 91 private: 92 std::map<uint64_t, uint64_t> cpuToRowThreadState_ = {}; 93 typedef struct { 94 uint32_t iTid; 95 uint64_t row; 96 } RowPos; 97 std::map<uint64_t, RowPos> cpuToRowSched_ = {}; 98 99 std::map<uint64_t, uint64_t> lastWakeUpMsg_ = {}; 100 std::map<uint32_t, uint64_t> pidToThreadSliceRow_ = {}; 101 struct TPthread { 102 uint64_t row_; 103 uint64_t state_; 104 }; 105 std::map<uint32_t, TPthread> internalTidToRowThreadState_ = {}; 106 const DataIndex ioWait_ = traceDataCache_->GetDataIndex("iowait"); 107 const DataIndex nextInfo_ = traceDataCache_->GetDataIndex("next_info"); 108 const DataIndex caller_ = traceDataCache_->GetDataIndex("caller"); 109 const DataIndex delay_ = traceDataCache_->GetDataIndex("delay"); 110 std::map<uint64_t, uint64_t> toRunnableTid_ = {}; 111 112 std::unordered_map<uint32_t, uint32_t> iTidToTransaction_; 113 std::unordered_map<uint32_t, BinderTransactionInfo> transactionIdToInfo_; 114 }; 115 } // namespace TraceStreamer 116 } // namespace SysTuning 117 #endif // CPU_FILTER_H 118