1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef SRC_TRACE_PROCESSOR_IMPORTERS_SYSTRACE_SYSTRACE_TRACE_PARSER_H_ 18 #define SRC_TRACE_PROCESSOR_IMPORTERS_SYSTRACE_SYSTRACE_TRACE_PARSER_H_ 19 20 #include <deque> 21 #include <regex> 22 23 #include "src/trace_processor/importers/common/chunked_trace_reader.h" 24 #include "src/trace_processor/importers/systrace/systrace_line_parser.h" 25 #include "src/trace_processor/importers/systrace/systrace_line_tokenizer.h" 26 #include "src/trace_processor/storage/trace_storage.h" 27 #include "src/trace_processor/types/trace_processor_context.h" 28 29 namespace perfetto { 30 namespace trace_processor { 31 32 class SystraceTraceParser : public ChunkedTraceReader { 33 public: 34 explicit SystraceTraceParser(TraceProcessorContext*); 35 ~SystraceTraceParser() override; 36 37 // ChunkedTraceReader implementation. 38 util::Status Parse(std::unique_ptr<uint8_t[]>, size_t size) override; 39 void NotifyEndOfFile() override; 40 41 private: 42 enum ParseState { 43 kBeforeParse, 44 kHtmlBeforeSystrace, 45 kTraceDataSection, 46 kSystrace, 47 kProcessDumpLong, 48 kProcessDumpShort, 49 kCgroupDump, 50 kEndOfSystrace, 51 }; 52 53 ParseState state_ = ParseState::kBeforeParse; 54 55 // Used to glue together trace packets that span across two (or more) 56 // Parse() boundaries. 57 std::deque<uint8_t> partial_buf_; 58 59 SystraceLineTokenizer line_tokenizer_; 60 SystraceLineParser line_parser_; 61 TraceProcessorContext* ctx_; 62 }; 63 64 } // namespace trace_processor 65 } // namespace perfetto 66 67 #endif // SRC_TRACE_PROCESSOR_IMPORTERS_SYSTRACE_SYSTRACE_TRACE_PARSER_H_ 68