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_ETW_ETW_PARSER_H_ 18 #define SRC_TRACE_PROCESSOR_IMPORTERS_ETW_ETW_PARSER_H_ 19 20 #include "perfetto/protozero/field.h" 21 #include "perfetto/trace_processor/status.h" 22 #include "src/trace_processor/importers/common/parser_types.h" 23 #include "src/trace_processor/importers/common/sched_event_state.h" 24 #include "src/trace_processor/types/trace_processor_context.h" 25 26 namespace perfetto { 27 namespace trace_processor { 28 29 class EtwParser { 30 public: 31 explicit EtwParser(TraceProcessorContext* context); 32 33 util::Status ParseEtwEvent(uint32_t cpu, 34 int64_t ts, 35 const TracePacketData& data); 36 37 private: 38 void ParseCswitch(int64_t timestamp, uint32_t cpu, protozero::ConstBytes); 39 void ParseReadyThread(int64_t timestamp, protozero::ConstBytes); 40 void PushSchedSwitch(uint32_t cpu, 41 int64_t timestamp, 42 uint32_t prev_pid, 43 int64_t prev_state, 44 uint32_t next_pid, 45 int32_t next_prio); 46 StringId TaskStateToStringId(int64_t task_state_int); 47 48 TraceProcessorContext* context_; 49 50 SchedEventState sched_event_state_; 51 }; 52 53 } // namespace trace_processor 54 } // namespace perfetto 55 56 #endif // SRC_TRACE_PROCESSOR_IMPORTERS_ETW_ETW_PARSER_H_ 57