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_PROTO_V8_SEQUENCE_STATE_H_ 18 #define SRC_TRACE_PROCESSOR_IMPORTERS_PROTO_V8_SEQUENCE_STATE_H_ 19 20 #include <cstdint> 21 #include <optional> 22 23 #include "perfetto/ext/base/flat_hash_map.h" 24 #include "src/trace_processor/importers/proto/packet_sequence_state_generation.h" 25 #include "src/trace_processor/storage/trace_storage.h" 26 #include "src/trace_processor/tables/v8_tables_py.h" 27 28 namespace perfetto { 29 namespace trace_processor { 30 31 class TraceProcessorContext; 32 class V8Tracker; 33 34 // Helper class to deal with V8 related interned data. 35 class V8SequenceState final 36 : public PacketSequenceStateGeneration::CustomState { 37 public: 38 explicit V8SequenceState(TraceProcessorContext* context); 39 40 ~V8SequenceState() override; 41 42 std::optional<tables::V8IsolateTable::Id> GetOrInsertIsolate(uint64_t iid); 43 std::optional<tables::V8JsFunctionTable::Id> GetOrInsertJsFunction( 44 uint64_t iid, 45 tables::V8IsolateTable::Id isolate_id); 46 std::optional<tables::V8WasmScriptTable::Id> GetOrInsertWasmScript( 47 uint64_t iid, 48 tables::V8IsolateTable::Id isolate_id); 49 50 private: 51 std::optional<tables::V8JsScriptTable::Id> GetOrInsertJsScript( 52 uint64_t iid, 53 tables::V8IsolateTable::Id isolate_id); 54 std::optional<StringId> GetOrInsertJsFunctionName(uint64_t iid); 55 56 TraceProcessorContext* const context_; 57 V8Tracker* const v8_tracker_; 58 59 using InterningId = uint64_t; 60 base::FlatHashMap<InterningId, std::optional<tables::V8IsolateTable::Id>> 61 isolates_; 62 base::FlatHashMap<InterningId, tables::V8JsScriptTable::Id> js_scripts_; 63 base::FlatHashMap<InterningId, tables::V8WasmScriptTable::Id> wasm_scripts_; 64 base::FlatHashMap<InterningId, tables::V8JsFunctionTable::Id> js_functions_; 65 base::FlatHashMap<InterningId, StringId> js_function_names_; 66 }; 67 68 } // namespace trace_processor 69 } // namespace perfetto 70 71 #endif // SRC_TRACE_PROCESSOR_IMPORTERS_PROTO_V8_SEQUENCE_STATE_H_ 72