chromium/third_party/perfetto/src/trace_processor/importers/proto/graphics_frame_event_parser.cc

/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "src/trace_processor/importers/proto/graphics_frame_event_parser.h"

#include <algorithm>
#include <cstddef>
#include <cstdint>
#include <optional>

#include "perfetto/base/logging.h"
#include "perfetto/ext/base/string_view.h"
#include "perfetto/ext/base/string_writer.h"
#include "perfetto/ext/base/utils.h"
#include "protos/perfetto/trace/android/graphics_frame_event.pbzero.h"
#include "src/trace_processor/importers/common/event_tracker.h"
#include "src/trace_processor/importers/common/slice_tracker.h"
#include "src/trace_processor/importers/common/track_tracker.h"
#include "src/trace_processor/storage/stats.h"
#include "src/trace_processor/storage/trace_storage.h"
#include "src/trace_processor/tables/slice_tables_py.h"
#include "src/trace_processor/tables/track_tables_py.h"
#include "src/trace_processor/types/trace_processor_context.h"

namespace perfetto::trace_processor {

constexpr char kQueueLostMessage[] = …;
GraphicsFrameEventParser::GraphicsFrameEventParser(
    TraceProcessorContext* context)
    : … { … }

bool GraphicsFrameEventParser::CreateBufferEvent(
    int64_t timestamp,
    GraphicsFrameEventDecoder& event) { … }

void GraphicsFrameEventParser::InvalidatePhaseEvent(int64_t timestamp,
                                                    TrackId track_id,
                                                    bool reset_name) { … }

// Here we convert the buffer events into Phases(slices)
// APP: Dequeue to Queue
// Wait for GPU: Queue to Acquire
// SurfaceFlinger (SF): Latch to Present
// Display: Present to next Present (of the same layer)
void GraphicsFrameEventParser::CreatePhaseEvent(
    int64_t timestamp,
    GraphicsFrameEventDecoder& event) { … }

void GraphicsFrameEventParser::ParseGraphicsFrameEvent(int64_t timestamp,
                                                       ConstBytes blob) { … }

}  // namespace perfetto::trace_processor