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 #ifndef KERNEL_SYMBOLS_PROCESSOR_H 16 #define KERNEL_SYMBOLS_PROCESSOR_H 17 18 #include <functional> 19 #include <string> 20 #include <vector> 21 #include "trace_data_cache.h" 22 #include "trace_streamer_filters.h" 23 24 namespace SysTuning { 25 namespace TraceStreamer { 26 class KernelSymbolsProcessor { 27 public: 28 KernelSymbolsProcessor(TraceDataCache *dataCache, const TraceStreamerFilters *filters); 29 ~KernelSymbolsProcessor(); 30 31 bool HandleKallSyms(const std::string &kallsyms); 32 33 private: 34 struct KernelSymbol { 35 char type{0}; 36 uint64_t addr{0}; 37 std::string name; 38 }; 39 40 private: 41 static bool IsValidKernelSymbol(const KernelSymbol &symbol); 42 43 private: 44 TraceDataCache *traceDataCache_; 45 const TraceStreamerFilters *streamFilters_; 46 }; 47 } // namespace TraceStreamer 48 } // namespace SysTuning 49 #endif // KERNEL_SYMBOLS_PROCESSOR_H 50