1 /*
2 * Copyright (C) 2023 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 #include "src/trace_processor/importers/proto/winscope/surfaceflinger_layers_parser.h"
18
19 #include "protos/perfetto/trace/android/surfaceflinger_layers.pbzero.h"
20 #include "src/trace_processor/importers/common/args_tracker.h"
21 #include "src/trace_processor/importers/proto/args_parser.h"
22 #include "src/trace_processor/importers/proto/winscope/winscope.descriptor.h"
23 #include "src/trace_processor/types/trace_processor_context.h"
24
25 namespace perfetto {
26 namespace trace_processor {
27
SurfaceFlingerLayersParser(TraceProcessorContext * context)28 SurfaceFlingerLayersParser::SurfaceFlingerLayersParser(
29 TraceProcessorContext* context)
30 : context_{context}, args_parser_{pool_} {
31 pool_.AddFromFileDescriptorSet(kWinscopeDescriptor.data(),
32 kWinscopeDescriptor.size());
33 }
34
Parse(int64_t timestamp,protozero::ConstBytes blob)35 void SurfaceFlingerLayersParser::Parse(int64_t timestamp,
36 protozero::ConstBytes blob) {
37 protos::pbzero::LayersSnapshotProto::Decoder snapshot_decoder(blob.data,
38 blob.size);
39 tables::SurfaceFlingerLayersSnapshotTable::Row snapshot;
40 snapshot.ts = timestamp;
41 auto snapshot_id =
42 context_->storage->mutable_surfaceflinger_layers_snapshot_table()
43 ->Insert(snapshot)
44 .id;
45
46 auto inserter = context_->args_tracker->AddArgsTo(snapshot_id);
47 ArgsParser writer(timestamp, inserter, *context_->storage);
48 base::Status status =
49 args_parser_.ParseMessage(blob, kLayersSnapshotProtoName,
50 &kLayersSnapshotFieldsToArgsParse, writer);
51 if (!status.ok()) {
52 context_->storage->IncrementStats(stats::winscope_sf_layers_parse_errors);
53 }
54
55 protos::pbzero::LayersProto::Decoder layers_decoder(
56 snapshot_decoder.layers().data, snapshot_decoder.layers().size);
57 for (auto it = layers_decoder.layers(); it; ++it) {
58 ParseLayer(timestamp, *it, snapshot_id);
59 }
60 }
61
ParseLayer(int64_t timestamp,protozero::ConstBytes blob,tables::SurfaceFlingerLayersSnapshotTable::Id snapshot_id)62 void SurfaceFlingerLayersParser::ParseLayer(
63 int64_t timestamp,
64 protozero::ConstBytes blob,
65 tables::SurfaceFlingerLayersSnapshotTable::Id snapshot_id) {
66 tables::SurfaceFlingerLayerTable::Row layer;
67 layer.snapshot_id = snapshot_id;
68 auto layerId =
69 context_->storage->mutable_surfaceflinger_layer_table()->Insert(layer).id;
70
71 ArgsTracker tracker(context_);
72 auto inserter = tracker.AddArgsTo(layerId);
73 ArgsParser writer(timestamp, inserter, *context_->storage);
74 base::Status status = args_parser_.ParseMessage(
75 blob, kLayerProtoName, nullptr /* parse all fields */, writer);
76 if (!status.ok()) {
77 context_->storage->IncrementStats(stats::winscope_sf_layers_parse_errors);
78 }
79 }
80
81 } // namespace trace_processor
82 } // namespace perfetto
83