1 /* 2 * Copyright (C) 2023 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_PERF_RECORD_PARSER_H_ 18 #define SRC_TRACE_PROCESSOR_IMPORTERS_PERF_RECORD_PARSER_H_ 19 20 #include <stdint.h> 21 #include <cstdint> 22 #include <optional> 23 #include <string> 24 25 #include "perfetto/base/status.h" 26 #include "perfetto/ext/base/flat_hash_map.h" 27 #include "src/trace_processor/importers/common/trace_parser.h" 28 #include "src/trace_processor/importers/perf/mmap_record.h" 29 #include "src/trace_processor/importers/perf/record.h" 30 #include "src/trace_processor/importers/perf/sample.h" 31 #include "src/trace_processor/storage/trace_storage.h" 32 #include "src/trace_processor/util/build_id.h" 33 34 namespace perfetto { 35 namespace trace_processor { 36 37 class DummyMemoryMapping; 38 class MappingTracker; 39 class TraceProcessorContext; 40 41 namespace perf_importer { 42 43 class PerfDataTracker; 44 class Reader; 45 46 // Parses samples from perf.data files. 47 class RecordParser : public PerfRecordParser { 48 public: 49 explicit RecordParser(TraceProcessorContext*); 50 ~RecordParser() override; 51 52 void ParsePerfRecord(int64_t timestamp, Record record) override; 53 54 private: 55 base::Status ParseRecord(int64_t timestamp, Record record); 56 base::Status ParseSample(int64_t ts, Record record); 57 base::Status ParseComm(Record record); 58 base::Status ParseMmap(int64_t trace_ts, Record record); 59 base::Status ParseMmap2(int64_t trace_ts, Record record); 60 base::Status ParseItraceStart(Record record); 61 62 base::Status InternSample(Sample sample); 63 64 base::Status UpdateCounters(const Sample& sample); 65 base::Status UpdateCountersInReadGroups(const Sample& sample); 66 67 std::optional<CallsiteId> InternCallchain( 68 UniquePid upid, 69 const std::vector<Sample::Frame>& callchain, 70 bool adjust_pc); 71 72 UniquePid GetUpid(const CommonMmapRecordFields& fields) const; 73 74 DummyMemoryMapping* GetDummyMapping(UniquePid upid); 75 76 TraceProcessorContext* const context_; 77 MappingTracker* const mapping_tracker_; 78 base::FlatHashMap<UniquePid, DummyMemoryMapping*> dummy_mappings_; 79 }; 80 81 } // namespace perf_importer 82 } // namespace trace_processor 83 } // namespace perfetto 84 85 #endif // SRC_TRACE_PROCESSOR_IMPORTERS_PERF_RECORD_PARSER_H_ 86