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 #include "config_filter.h" 31 32 namespace SysTuning { 33 namespace TraceStreamer { 34 class CpuFilter : private FilterBase { 35 public: 36 CpuFilter(TraceDataCache *dataCache, const TraceStreamerFilters *filter); 37 CpuFilter(const CpuFilter &) = delete; 38 CpuFilter &operator=(const CpuFilter &) = delete; 39 ~CpuFilter() override; 40 41 public: 42 void InsertSwitchEvent(uint64_t ts, 43 uint64_t cpu, 44 uint32_t prevPid, 45 int32_t prevPrio, 46 uint64_t prevState, 47 uint32_t nextPid, 48 int32_t nextPrio, 49 DataIndex nextInfo); 50 bool InsertBlockedReasonEvent(uint64_t cpu, uint32_t iTid, bool iowait, DataIndex caller, uint32_t delay); 51 void InsertWakeupEvent(uint64_t ts, uint32_t internalTid, bool isWaking = false); 52 bool InsertProcessExitEvent(uint64_t ts, uint64_t cpu, uint32_t pid); 53 bool InsertProcessFreeEvent(uint64_t ts, uint32_t pid); 54 void InsertRunnableBinderEvent(uint32_t transactionId, uint32_t iTid); 55 void InsertRunnableBinderRecvEvent(uint32_t transactionId, uint32_t iTid); 56 void Finish() const; 57 void Clear(); 58 void UpdateProcessData(bool isFinish = false) const; UpdateReadySize()59 void UpdateReadySize() 60 { 61 UpdateProcessData(); 62 uint64_t minSchedSliceRowToBeUpdated = INVALID_UINT64; 63 for (const auto &[_, binderTransactionInfo] : transactionIdToInfo_) { 64 if (minSchedSliceRowToBeUpdated > binderTransactionInfo.schedSliceRow) { 65 minSchedSliceRowToBeUpdated = binderTransactionInfo.schedSliceRow; 66 } 67 } 68 UpdateSchedSliceReadySize(minSchedSliceRowToBeUpdated); 69 } 70 71 private: 72 struct BinderTransactionInfo { 73 uint32_t iTidFrom; 74 uint32_t iTidTo; 75 uint64_t schedSliceRow; 76 uint64_t threadStateRow; 77 }; 78 void CheckWakeupEvent(uint32_t internalTid); 79 uint64_t RemberInternalTidInStateTable(uint32_t uid, uint64_t row, uint64_t state = TASK_INVALID); 80 uint64_t RowOfInternalTidInStateTable(uint32_t uid) const; 81 void ClearInternalTidInStateTable(uint32_t uid); 82 uint64_t StateOfInternalTidInStateTable(uint32_t uid) const; 83 void TransactionClear(uint32_t iTidFrom, uint32_t transactionId); 84 void ProcNextPidSwitchEvent(uint64_t ts, uint64_t cpu, uint32_t prevPid, uint32_t nextPid, DataIndex nextInfo); 85 void ProcPrevPidSwitchEvent(uint64_t ts, 86 uint64_t cpu, 87 uint32_t prevPid, 88 uint64_t prevState, 89 BinderTransactionInfo &btInfo); 90 bool UpdateSchedSliceReadySize(uint64_t minSchedSliceRowToBeUpdated = INVALID_UINT64); 91 92 private: 93 std::map<uint64_t, uint64_t> cpuToRowThreadState_ = {}; 94 typedef struct { 95 uint32_t iTid; 96 uint64_t row; 97 } RowPos; 98 std::map<uint64_t, RowPos> cpuToRowSched_ = {}; 99 100 std::map<uint64_t, uint64_t> lastWakeUpMsg_ = {}; 101 std::map<uint32_t, uint64_t> pidToThreadSliceRow_ = {}; 102 struct TPthread { 103 uint64_t row_; 104 uint64_t state_; 105 }; 106 std::map<uint32_t, TPthread> internalTidToRowThreadState_ = {}; 107 const DataIndex ioWait_ = traceDataCache_->GetDataIndex("iowait"); 108 const DataIndex nextInfo_ = traceDataCache_->GetDataIndex("next_info"); 109 const DataIndex caller_ = traceDataCache_->GetDataIndex("caller"); 110 const DataIndex delay_ = traceDataCache_->GetDataIndex("delay"); 111 std::map<uint64_t, uint64_t> toRunnableTid_ = {}; 112 113 std::unordered_map<uint32_t, uint32_t> iTidToTransaction_; 114 std::unordered_map<uint32_t, BinderTransactionInfo> transactionIdToInfo_; 115 }; 116 } // namespace TraceStreamer 117 } // namespace SysTuning 118 #endif // CPU_FILTER_H 119