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 "perfetto/ext/base/string_utils.h"
20 #include "protos/perfetto/trace/android/camera_event.pbzero.h"
21 #include "protos/perfetto/trace/trace_packet.pbzero.h"
22 #include "src/trace_processor/importers/common/async_track_set_tracker.h"
23 #include "src/trace_processor/importers/common/parser_types.h"
24 #include "src/trace_processor/importers/common/slice_tracker.h"
25 #include "src/trace_processor/importers/common/track_tracker.h"
26 #include "src/trace_processor/importers/proto/packet_sequence_state.h"
27 #include "src/trace_processor/sorter/trace_sorter.h"
28 #include "src/trace_processor/storage/trace_storage.h"
29
30 namespace perfetto {
31 namespace trace_processor {
32
33 using perfetto::protos::pbzero::TracePacket;
34
AndroidCameraEventModule(TraceProcessorContext * context)35 AndroidCameraEventModule::AndroidCameraEventModule(
36 TraceProcessorContext* context)
37 : context_(context) {
38 RegisterForField(TracePacket::kAndroidCameraFrameEventFieldNumber, context);
39 }
40
41 AndroidCameraEventModule::~AndroidCameraEventModule() = default;
42
TokenizePacket(const protos::pbzero::TracePacket::Decoder & decoder,TraceBlobView * packet,int64_t,PacketSequenceState * state,uint32_t field_id)43 ModuleResult AndroidCameraEventModule::TokenizePacket(
44 const protos::pbzero::TracePacket::Decoder& decoder,
45 TraceBlobView* packet,
46 int64_t /*packet_timestamp*/,
47 PacketSequenceState* state,
48 uint32_t field_id) {
49 if (field_id != TracePacket::kAndroidCameraFrameEventFieldNumber) {
50 return ModuleResult::Ignored();
51 }
52 const auto android_camera_frame_event =
53 protos::pbzero::AndroidCameraFrameEvent::Decoder(
54 decoder.android_camera_frame_event());
55 context_->sorter->PushTracePacket(
56 android_camera_frame_event.request_processing_started_ns(),
57 state->current_generation(), std::move(*packet));
58 return ModuleResult::Handled();
59 }
60
ParseTracePacketData(const TracePacket::Decoder & decoder,int64_t,const TracePacketData &,uint32_t field_id)61 void AndroidCameraEventModule::ParseTracePacketData(
62 const TracePacket::Decoder& decoder,
63 int64_t /*ts*/,
64 const TracePacketData&,
65 uint32_t field_id) {
66 if (field_id != TracePacket::kAndroidCameraFrameEventFieldNumber) {
67 return;
68 }
69 InsertCameraFrameSlice(decoder.android_camera_frame_event());
70 }
71
InsertCameraFrameSlice(protozero::ConstBytes bytes)72 void AndroidCameraEventModule::InsertCameraFrameSlice(
73 protozero::ConstBytes bytes) {
74 const auto android_camera_frame_event =
75 protos::pbzero::AndroidCameraFrameEvent::Decoder(bytes);
76 StringId track_name = context_->storage->InternString(
77 base::StackString<32>("Camera %d Frames",
78 android_camera_frame_event.camera_id())
79 .string_view());
80 StringId slice_name = context_->storage->InternString(
81 base::StackString<32>("Frame %" PRId64,
82 android_camera_frame_event.frame_number())
83 .string_view());
84 int64_t ts = android_camera_frame_event.request_processing_started_ns();
85 int64_t dur = android_camera_frame_event.responses_all_sent_ns() -
86 android_camera_frame_event.request_processing_started_ns();
87 auto track_set_id =
88 context_->async_track_set_tracker->InternGlobalTrackSet(track_name);
89 auto track_id =
90 context_->async_track_set_tracker->Scoped(track_set_id, ts, dur);
91 context_->slice_tracker->Scoped(ts, track_id, /*category=*/kNullStringId,
92 slice_name, dur);
93 }
94
95 } // namespace trace_processor
96 } // namespace perfetto
97