| /* |
| * Copyright (C) 2019 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. |
| */ |
| |
| syntax = "proto2"; |
| |
| package perfetto.protos; |
| |
| // Used to trace the execution of perfetto itself. |
| message PerfettoMetatrace { |
| // See base/metatrace_events.h for definitions. |
| oneof record_type { |
| uint32 event_id = 1; |
| uint32 counter_id = 2; |
| |
| // For trace processor metatracing. |
| string event_name = 8; |
| uint64 event_name_iid = 11; |
| |
| string counter_name = 9; |
| } |
| message Arg { |
| oneof key_or_interned_key { |
| string key = 1; |
| uint64 key_iid = 3; |
| } |
| oneof value_or_interned_value { |
| string value = 2; |
| uint64 value_iid = 4; |
| } |
| } |
| |
| // Only when using |event_id|. |
| optional uint64 event_duration_ns = 3; |
| |
| // Only when using |counter_id|. |
| optional int32 counter_value = 4; |
| |
| // ID of the thread that emitted the event. |
| optional uint32 thread_id = 5; |
| |
| // If true the meta-tracing ring buffer had overruns and hence some data is |
| // missing from this point. |
| optional bool has_overruns = 6; |
| |
| // Args for the event. |
| repeated Arg args = 7; |
| |
| // Interned strings corresponding to the |event_name_iid|, |key_iid| and |
| // |value_iid| above. |
| message InternedString { |
| optional uint64 iid = 1; |
| optional string value = 2; |
| }; |
| repeated InternedString interned_strings = 10; |
| } |