1 /* 2 * Copyright (c) 2025 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 __FFRT_TRACE_CHAIN_H__ 17 #define __FFRT_TRACE_CHAIN_H__ 18 19 #include "tm/task_base.h" 20 #include "dfx/log/ffrt_log_api.h" 21 22 namespace ffrt { 23 24 class TraceChainAdapter { 25 public: 26 static TraceChainAdapter& Instance(); 27 28 HiTraceIdStruct HiTraceChainGetId(); 29 void HiTraceChainClearId(); 30 void HiTraceChainRestoreId(const HiTraceIdStruct* pId); 31 HiTraceIdStruct HiTraceChainCreateSpan(); 32 HiTraceIdStruct HiTraceChainBegin(const char* name, int flags); 33 void HiTraceChainEnd(const HiTraceIdStruct* pId); 34 35 private: 36 TraceChainAdapter(); 37 ~TraceChainAdapter(); 38 void Load(); 39 void UnLoad(); 40 41 void* handle_ = nullptr; 42 43 using HiTraceChainGetIdFunc = HiTraceIdStruct (*)(); 44 using HiTraceChainClearIdFunc = void (*)(); 45 using HiTraceChainRestoreIdFunc = void (*)(const HiTraceIdStruct*); 46 using HiTraceChainCreateSpanFunc = HiTraceIdStruct (*)(); 47 using HiTraceChainBeginFunc = HiTraceIdStruct (*)(const char*, int); 48 using HiTraceChainEndFunc = void (*)(const HiTraceIdStruct*); 49 50 HiTraceChainGetIdFunc getIdFunc_ = nullptr; 51 HiTraceChainClearIdFunc clearIdFunc_ = nullptr; 52 HiTraceChainRestoreIdFunc restoreIdFunc_ = nullptr; 53 HiTraceChainCreateSpanFunc createSpanFunc_ = nullptr; 54 HiTraceChainBeginFunc beginChainFunc_ = nullptr; 55 HiTraceChainEndFunc endChainFunc_ = nullptr; 56 }; 57 } // namespace ffrt 58 59 #endif // __FFRT_TRACE_CHAIN_H__