| /* |
| * Copyright (C) 2018 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. |
| */ |
| |
| // Use proto3 syntax as an optimization. The difference is that proto2 stores |
| // unknown fields seen while decoding in an internal buffer (std::string) while |
| // proto3 completely drops them. Since during validation we only need to check |
| // for the presence of the trusted fields below, we can use proto3 as a way to |
| // speed up this process. |
| // |
| // See https://developers.google.com/protocol-buffers/docs/proto3#unknowns and |
| // https://android-review.googlesource.com/c/platform/external/perfetto/+/ |
| // 591673#17 for details. |
| syntax = "proto3"; |
| |
| import "protos/perfetto/common/trace_stats.proto"; |
| import "protos/perfetto/config/trace_config.proto"; |
| import "protos/perfetto/trace/chrome/chrome_trace_event.proto"; |
| import "protos/perfetto/trace/chrome/chrome_trigger.proto"; |
| import "protos/perfetto/trace/clock_snapshot.proto"; |
| import "protos/perfetto/trace/interned_data/interned_data.proto"; |
| import "protos/perfetto/trace/profiling/profile_packet.proto"; |
| import "protos/perfetto/trace/profiling/profile_common.proto"; |
| import "protos/perfetto/trace/track_event/process_descriptor.proto"; |
| import "protos/perfetto/trace/track_event/thread_descriptor.proto"; |
| import "protos/perfetto/trace/track_event/track_event.proto"; |
| |
| package perfetto.protos; |
| |
| // This proto contains only the TracePacket fields that Chrome needs. |
| // Note that the field ids here must be kept in sync with TracePacket. |
| // This protobuf is here to avoid bloating the Chrome binary with symbols |
| // for all possible trace protos. |
| // TODO(b/78898755): Try using weak bindings instead of a separate proto. |
| message ChromeTracePacket { |
| ChromeEventBundle chrome_events = 5; |
| |
| ClockSnapshot clock_snapshot = 6; |
| TrackEvent track_event = 11; |
| ProcessDescriptor process_descriptor = 43; |
| ThreadDescriptor thread_descriptor = 44; |
| StreamingProfilePacket streaming_profile_packet = 54; |
| ProfiledFrameSymbols profiled_frame_symbols = 55; |
| ChromeTrigger chrome_trigger = 109; |
| |
| // The original trace config. |
| TraceConfig trace_config = 33; |
| TraceStats trace_stats = 35; |
| |
| uint32 trusted_packet_sequence_id = 10; |
| |
| InternedData interned_data = 12; |
| |
| bool incremental_state_cleared = 41; |
| bool previous_packet_dropped = 42; |
| } |