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";
18package perfetto.protos;
19
20message PowerRails {
21
22  message RailDescriptor {
23    // Index corresponding to the rail
24    optional uint32 index = 1;
25
26    // Name of the rail
27    optional string rail_name = 2;
28
29    // Name of the subsystem to which this rail belongs
30    optional string subsys_name = 3;
31
32    // Hardware sampling rate (Hz).
33    optional uint32 sampling_rate = 4;
34  }
35
36  // This is only emitted at the beginning of the trace.
37  repeated RailDescriptor rail_descriptor = 1;
38
39  message EnergyData {
40    // Index corresponding to RailDescriptor.index
41    optional uint32 index = 1;
42
43    // Time since device boot(CLOCK_BOOTTIME) in milli-seconds.
44    optional uint64 timestamp_ms = 2;
45
46    // Accumulated energy since device boot in microwatt-seconds (uWs).
47    optional uint64 energy = 3;
48  }
49
50  repeated EnergyData energy_data = 2;
51}
52