1 /* 2 * Copyright (C) 2019 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_GRAPHICS_FRAME_EVENT_PARSER_H_ 18 #define SRC_TRACE_PROCESSOR_IMPORTERS_PROTO_GRAPHICS_FRAME_EVENT_PARSER_H_ 19 20 #include <array> 21 #include <cstdint> 22 #include <optional> 23 #include <variant> 24 25 #include "perfetto/ext/base/flat_hash_map.h" 26 #include "perfetto/protozero/field.h" 27 #include "src/trace_processor/storage/trace_storage.h" 28 29 #include "protos/perfetto/trace/android/graphics_frame_event.pbzero.h" 30 #include "src/trace_processor/tables/slice_tables_py.h" 31 32 namespace perfetto::trace_processor { 33 34 class TraceProcessorContext; 35 36 // Class for parsing graphics frame related events. 37 class GraphicsFrameEventParser { 38 public: 39 using ConstBytes = protozero::ConstBytes; 40 explicit GraphicsFrameEventParser(TraceProcessorContext*); 41 42 void ParseGraphicsFrameEvent(int64_t timestamp, ConstBytes); 43 44 private: 45 using SliceRowNumber = tables::SliceTable::RowNumber; 46 struct BufferEvent { 47 int64_t acquire_ts = 0; 48 int64_t queue_ts = 0; 49 int64_t latch_ts = 0; 50 bool is_most_recent_dequeue_ = false; 51 }; 52 struct DequeueInfo { 53 tables::SliceTable::RowNumber slice_row; 54 int64_t timestamp; 55 }; 56 struct QueueInfo { 57 TrackId track; 58 }; 59 struct LatchInfo { 60 TrackId track; 61 }; 62 struct PhaseEvent { 63 std::variant<std::monostate, DequeueInfo, QueueInfo, LatchInfo> 64 most_recent_event; 65 std::optional<int64_t> last_acquire_ts; 66 }; 67 68 using GraphicsFrameEventDecoder = 69 protos::pbzero::GraphicsFrameEvent_BufferEvent_Decoder; 70 using GraphicsFrameEvent = protos::pbzero::GraphicsFrameEvent; 71 72 void CreateBufferEvent(int64_t timestamp, 73 const GraphicsFrameEventDecoder&, 74 StringId layer_name_id, 75 StringId event_key); 76 void CreatePhaseEvent(int64_t timestamp, 77 const GraphicsFrameEventDecoder&, 78 StringId layer_name_id, 79 StringId event_key); 80 81 std::optional<SliceRowNumber> InsertPhaseSlice( 82 int64_t timestamp, 83 const GraphicsFrameEventDecoder&, 84 TrackId track_id, 85 StringId layer_name_id); 86 87 TraceProcessorContext* const context_; 88 const StringId unknown_event_name_id_; 89 const StringId no_layer_name_name_id_; 90 const StringId layer_name_key_id_; 91 const StringId queue_lost_message_id_; 92 const StringId frame_number_id_; 93 const StringId queue_to_acquire_time_id_; 94 const StringId acquire_to_latch_time_id_; 95 const StringId latch_to_present_time_id_; 96 std::array<StringId, 14> event_type_name_ids_; 97 98 // Map of (buffer ID + layer name) -> BufferEvent 99 base::FlatHashMap<StringId, BufferEvent> buffer_event_map_; 100 101 // Maps of (buffer id + layer name) -> track id 102 base::FlatHashMap<StringId, PhaseEvent> phase_event_map_; 103 104 // Map of layer name -> track id 105 base::FlatHashMap<StringId, TrackId> display_map_; 106 }; 107 } // namespace perfetto::trace_processor 108 109 #endif // SRC_TRACE_PROCESSOR_IMPORTERS_PROTO_GRAPHICS_FRAME_EVENT_PARSER_H_ 110