1 /* 2 * Copyright (C) 2024 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_SPE_RECORD_PARSER_H_ 18 #define SRC_TRACE_PROCESSOR_IMPORTERS_PERF_SPE_RECORD_PARSER_H_ 19 20 #include <array> 21 #include <cstddef> 22 #include <cstdint> 23 24 #include "perfetto/trace_processor/trace_blob_view.h" 25 #include "src/trace_processor/importers/common/trace_parser.h" 26 #include "src/trace_processor/importers/common/virtual_memory_mapping.h" 27 #include "src/trace_processor/importers/perf/reader.h" 28 #include "src/trace_processor/importers/perf/spe.h" 29 #include "src/trace_processor/storage/trace_storage.h" 30 #include "src/trace_processor/tables/perf_tables_py.h" 31 32 namespace perfetto::trace_processor { 33 class TraceProcessorContext; 34 namespace perf_importer { 35 36 class SpeRecordParserImpl : public SpeRecordParser { 37 public: 38 explicit SpeRecordParserImpl(TraceProcessorContext* context); 39 40 void ParseSpeRecord(int64_t, TraceBlobView) override; 41 42 private: 43 template <typename Enum> 44 class CachedStringIdArray { 45 public: 46 static constexpr size_t size = static_cast<size_t>(Enum::kMax) + 1; CachedStringIdArray()47 explicit CachedStringIdArray() { cache_.fill(kNullStringId); } 48 StringId& operator[](Enum e) { return cache_[static_cast<size_t>(e)]; } 49 50 private: 51 std::array<StringId, size> cache_; 52 }; 53 54 struct InflightSpeRecord { 55 std::optional<spe::InstructionVirtualAddress> instruction_address; 56 }; 57 58 enum class OperationName { 59 kOther, 60 kSveVecOp, 61 kLoad, 62 kStore, 63 kBranch, 64 kUnknown, 65 kMax = kUnknown 66 }; 67 68 static const char* ToString(OperationName name); 69 static const char* ToString(spe::ExceptionLevel el); 70 static const char* ToString(spe::DataSource ds); 71 72 StringId ToStringId(OperationName name); 73 StringId ToStringId(spe::ExceptionLevel el); 74 StringId ToStringId(spe::DataSource ds); 75 76 void ReadShortPacket(spe::ShortHeader short_header); 77 void ReadExtendedPacket(spe::ExtendedHeader extended_header); 78 79 void ReadAddressPacket(spe::AddressIndex index); 80 void ReadCounterPacket(spe::CounterIndex index); 81 82 void ReadEventsPacket(spe::ShortHeader short_header); 83 void ReadContextPacket(spe::ShortHeader short_header); 84 void ReadOperationTypePacket(spe::ShortHeader short_header); 85 void ReadDataSourcePacket(spe::ShortHeader short_header); 86 87 uint64_t ReadPayload(spe::ShortHeader short_header); 88 89 OperationName GetOperationName(spe::ShortHeader short_header, 90 uint8_t payload) const; 91 92 VirtualMemoryMapping* GetDummyMapping(); 93 94 TraceProcessorContext* const context_; 95 CachedStringIdArray<OperationName> operation_name_strings_; 96 CachedStringIdArray<spe::DataSource> data_source_strings_; 97 CachedStringIdArray<spe::ExceptionLevel> exception_level_strings_; 98 99 Reader reader_; 100 tables::SpeRecordTable::Row inflight_row_; 101 InflightSpeRecord inflight_record_; 102 103 VirtualMemoryMapping* dummy_mapping_ = nullptr; 104 }; 105 106 } // namespace perf_importer 107 } // namespace perfetto::trace_processor 108 109 #endif // SRC_TRACE_PROCESSOR_IMPORTERS_PERF_SPE_RECORD_PARSER_H_ 110