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 #ifndef SRC_PRINT_EVENT_PARSER_H 16 #define SRC_PRINT_EVENT_PARSER_H 17 #include <regex> 18 #include <string_view> 19 #include "common_types.h" 20 #include "event_parser_base.h" 21 #include "filter/measure_filter.h" 22 #include "filter/process_filter.h" 23 #include "filter/slice_filter.h" 24 #include "string_to_numerical.h" 25 #include "trace_streamer_config.h" 26 namespace SysTuning { 27 namespace TraceStreamer { 28 class PrintEventParser : private EventParserBase { 29 public: 30 PrintEventParser(TraceDataCache* dataCache, const TraceStreamerFilters* filter); 31 bool ParsePrintEvent(const std::string& comm, uint64_t ts, uint32_t pid, std::string_view event); 32 private: 33 ParseResult GetTracePoint(std::string_view pointStr, TracePoint& outPoint) const; 34 ParseResult CheckTracePoint(std::string_view pointStr) const; 35 uint32_t GetThreadGroupId(std::string_view pointStr, size_t& length) const; 36 std::string_view GetPointNameForBegin(std::string_view pointStr, size_t tGidlength) const; 37 ParseResult HandlerB(std::string_view pointStr, TracePoint& outPoint, size_t tGidlength) const; 38 static ParseResult HandlerE(void); 39 ParseResult HandlerCSF(std::string_view pointStr, TracePoint& outPoint, size_t tGidlength) const; 40 static size_t GetNameLength(std::string_view pointStr, size_t nameIndex); 41 size_t GetValueLength(std::string_view pointStr, size_t valueIndex) const; 42 private: 43 const uint32_t pointLength_; 44 const uint32_t maxPointLength_; 45 TraceStreamerConfig config_{}; 46 }; 47 } // namespace TraceStreamer 48 } // namespace SysTuning 49 50 #endif // SRC_PRINT_EVENT_PARSER_H 51