1 /*
2 * Copyright (C) 2022 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/android_camera_event_module.h"
18
19 #include <cinttypes>
20 #include <cstdint>
21 #include <utility>
22
23 #include "perfetto/ext/base/string_utils.h"
24 #include "perfetto/protozero/field.h"
25 #include "perfetto/trace_processor/ref_counted.h"
26 #include "src/trace_processor/importers/common/parser_types.h"
27 #include "src/trace_processor/importers/common/slice_tracker.h"
28 #include "src/trace_processor/importers/common/track_compressor.h"
29 #include "src/trace_processor/importers/common/tracks.h"
30 #include "src/trace_processor/importers/proto/packet_sequence_state_generation.h"
31 #include "src/trace_processor/importers/proto/proto_importer_module.h"
32 #include "src/trace_processor/sorter/trace_sorter.h"
33 #include "src/trace_processor/storage/trace_storage.h"
34
35 #include "protos/perfetto/trace/android/camera_event.pbzero.h"
36 #include "protos/perfetto/trace/trace_packet.pbzero.h"
37
38 namespace perfetto::trace_processor {
39
40 using perfetto::protos::pbzero::TracePacket;
41
AndroidCameraEventModule(TraceProcessorContext * context)42 AndroidCameraEventModule::AndroidCameraEventModule(
43 TraceProcessorContext* context)
44 : context_(context) {
45 RegisterForField(TracePacket::kAndroidCameraFrameEventFieldNumber, context);
46 }
47
48 AndroidCameraEventModule::~AndroidCameraEventModule() = default;
49
TokenizePacket(const protos::pbzero::TracePacket::Decoder & decoder,TraceBlobView * packet,int64_t,RefPtr<PacketSequenceStateGeneration> state,uint32_t field_id)50 ModuleResult AndroidCameraEventModule::TokenizePacket(
51 const protos::pbzero::TracePacket::Decoder& decoder,
52 TraceBlobView* packet,
53 int64_t /*packet_timestamp*/,
54 RefPtr<PacketSequenceStateGeneration> state,
55 uint32_t field_id) {
56 if (field_id != TracePacket::kAndroidCameraFrameEventFieldNumber) {
57 return ModuleResult::Ignored();
58 }
59 const auto android_camera_frame_event =
60 protos::pbzero::AndroidCameraFrameEvent::Decoder(
61 decoder.android_camera_frame_event());
62 context_->sorter->PushTracePacket(
63 android_camera_frame_event.request_processing_started_ns(),
64 std::move(state), std::move(*packet), context_->machine_id());
65 return ModuleResult::Handled();
66 }
67
ParseTracePacketData(const TracePacket::Decoder & decoder,int64_t,const TracePacketData &,uint32_t field_id)68 void AndroidCameraEventModule::ParseTracePacketData(
69 const TracePacket::Decoder& decoder,
70 int64_t /*ts*/,
71 const TracePacketData&,
72 uint32_t field_id) {
73 if (field_id != TracePacket::kAndroidCameraFrameEventFieldNumber) {
74 return;
75 }
76 InsertCameraFrameSlice(decoder.android_camera_frame_event());
77 }
78
InsertCameraFrameSlice(protozero::ConstBytes bytes)79 void AndroidCameraEventModule::InsertCameraFrameSlice(
80 protozero::ConstBytes bytes) {
81 protos::pbzero::AndroidCameraFrameEvent::Decoder evt(bytes);
82 StringId slice_name = context_->storage->InternString(
83 base::StackString<32>("Frame %" PRId64, evt.frame_number())
84 .string_view());
85 int64_t ts = evt.request_processing_started_ns();
86 int64_t dur =
87 evt.responses_all_sent_ns() - evt.request_processing_started_ns();
88
89 constexpr auto kBlueprint = TrackCompressor::SliceBlueprint(
90 "android_camera_event",
91 tracks::Dimensions(tracks::UintDimensionBlueprint("android_camera_id")),
92 tracks::FnNameBlueprint([](uint32_t camera_id) {
93 return base::StackString<32>("Camera %u Frames", camera_id);
94 }));
95
96 TrackId track_id = context_->track_compressor->InternScoped(
97 kBlueprint, tracks::Dimensions(evt.camera_id()), ts, dur);
98 context_->slice_tracker->Scoped(ts, track_id, /*category=*/kNullStringId,
99 slice_name, dur);
100 }
101
102 } // namespace perfetto::trace_processor
103