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 #include "src/trace_processor/importers/proto/android_camera_event_module.h"
17
18 #include "perfetto/ext/base/string_utils.h"
19 #include "protos/perfetto/trace/android/camera_event.pbzero.h"
20 #include "protos/perfetto/trace/trace_packet.pbzero.h"
21 #include "src/trace_processor/importers/common/slice_tracker.h"
22 #include "src/trace_processor/importers/common/track_tracker.h"
23 #include "src/trace_processor/importers/proto/async_track_set_tracker.h"
24 #include "src/trace_processor/storage/trace_storage.h"
25 #include "src/trace_processor/timestamped_trace_piece.h"
26 #include "src/trace_processor/trace_sorter.h"
27
28 namespace perfetto {
29 namespace trace_processor {
30
31 using perfetto::protos::pbzero::TracePacket;
32
AndroidCameraEventModule(TraceProcessorContext * context)33 AndroidCameraEventModule::AndroidCameraEventModule(
34 TraceProcessorContext* context)
35 : context_(context) {
36 RegisterForField(TracePacket::kAndroidCameraFrameEventFieldNumber, context);
37 }
38
39 AndroidCameraEventModule::~AndroidCameraEventModule() = default;
40
TokenizePacket(const protos::pbzero::TracePacket::Decoder & decoder,TraceBlobView * packet,int64_t,PacketSequenceState * state,uint32_t field_id)41 ModuleResult AndroidCameraEventModule::TokenizePacket(
42 const protos::pbzero::TracePacket::Decoder& decoder,
43 TraceBlobView* packet,
44 int64_t /*packet_timestamp*/,
45 PacketSequenceState* state,
46 uint32_t field_id) {
47 if (field_id != TracePacket::kAndroidCameraFrameEventFieldNumber) {
48 return ModuleResult::Ignored();
49 }
50 const auto android_camera_frame_event =
51 protos::pbzero::AndroidCameraFrameEvent::Decoder(
52 decoder.android_camera_frame_event());
53 context_->sorter->PushTracePacket(
54 android_camera_frame_event.request_processing_started_ns(), state,
55 std::move(*packet));
56 return ModuleResult::Handled();
57 }
58
ParsePacket(const TracePacket::Decoder & decoder,const TimestampedTracePiece &,uint32_t field_id)59 void AndroidCameraEventModule::ParsePacket(const TracePacket::Decoder& decoder,
60 const TimestampedTracePiece& /*ttp*/,
61 uint32_t field_id) {
62 if (field_id != TracePacket::kAndroidCameraFrameEventFieldNumber) {
63 return;
64 }
65 InsertCameraFrameSlice(decoder.android_camera_frame_event());
66 }
67
InsertCameraFrameSlice(protozero::ConstBytes bytes)68 void AndroidCameraEventModule::InsertCameraFrameSlice(
69 protozero::ConstBytes bytes) {
70 const auto android_camera_frame_event =
71 protos::pbzero::AndroidCameraFrameEvent::Decoder(bytes);
72 StringId track_name = context_->storage->InternString(
73 base::StackString<32>("Camera %d Frames",
74 android_camera_frame_event.camera_id())
75 .string_view());
76 StringId slice_name = context_->storage->InternString(
77 base::StackString<32>("Frame %" PRId64,
78 android_camera_frame_event.frame_number())
79 .string_view());
80 int64_t ts = android_camera_frame_event.request_processing_started_ns();
81 int64_t dur = android_camera_frame_event.responses_all_sent_ns() -
82 android_camera_frame_event.request_processing_started_ns();
83 auto track_set_id =
84 context_->async_track_set_tracker->InternGlobalTrackSet(track_name);
85 auto track_id =
86 context_->async_track_set_tracker->Scoped(track_set_id, ts, dur);
87 context_->slice_tracker->Scoped(ts, track_id, /*category=*/kNullStringId,
88 slice_name, dur);
89 }
90
91 } // namespace trace_processor
92 } // namespace perfetto
93