cpp/telemetry/proto/evs.proto

/*
 * Copyright (C) 2021 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.
 */

/**
 * This file contains all the CarData messages used in EVS related processes.
 * It's preferred to group CarData messages used in a single process or service
 * to improve performance and memory usage.
 *
 * All the messages must be defined in the CarData message and given a unique
 * ID.
 */

syntax = "proto2";

package android.automotive.telemetry;
option java_package = "com.android.automotive.telemetry";
option java_outer_classname = "EvsProto";

message EvsFirstFrameLatency {
  // Latency measurement start time since boot.
  optional int64 start_timestamp_millis = 1;

  // end-2-end latency since gear shifted to reverse and the
  // first frame from camera is displayed on the screen.
  optional int64 latency_millis = 2;
}