1 /* 2 * Copyright (c) 2021 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 SYMBOLS_FILTER_H 17 #define SYMBOLS_FILTER_H 18 19 #include <cstdint> 20 #include "filter_base.h" 21 #include "trace_data_cache.h" 22 #include "trace_streamer_filters.h" 23 24 namespace SysTuning { 25 namespace TraceStreamer { 26 class SymbolsFilter : private FilterBase { 27 public: 28 SymbolsFilter(TraceDataCache* dataCache, const TraceStreamerFilters* filter); 29 ~SymbolsFilter() override; 30 31 void RegisterFunc(uint64_t addr, DataIndex funcNameDictIndex); 32 33 const DataIndex& GetFunc(uint64_t addr) const; 34 void Clear(); 35 private: 36 std::map<uint64_t, DataIndex> symbolsMap_ = {}; 37 }; 38 } // namespace TraceStreamer 39 } // namespace SysTuning 40 41 #endif // SLICE_FILTER_H 42