1/* 2 * Copyright (C) 2019 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 17syntax = "proto2"; 18option optimize_for = LITE_RUNTIME; 19package perfetto.protos; 20 21message PowerRails { 22 23 message RailDescriptor { 24 // Index corresponding to the rail 25 optional uint32 index = 1; 26 // Name of the rail 27 optional string rail_name = 2; 28 // Name of the subsystem to which this rail belongs 29 optional string subsys_name = 3; 30 // Hardware sampling rate 31 optional uint32 sampling_rate = 4; 32 } 33 34 // This is only emitted at the beginning of the trace. 35 repeated RailDescriptor rail_descriptor = 1; 36 37 message EnergyData { 38 // Index corresponding to RailDescriptor.index 39 optional uint32 index = 1; 40 // Time since device boot(CLOCK_BOOTTIME) in milli-seconds 41 optional uint64 timestamp_ms = 2; 42 // Accumulated energy since device boot in microwatt-seconds (uWs) 43 optional uint64 energy = 3; 44 } 45 46 repeated EnergyData energy_data = 2; 47} 48