Winson Chung | a657ac9 | 2019-12-09 16:43:46 -0800 | [diff] [blame] | 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 | |
| 17 | syntax = "proto2"; |
| 18 | |
| 19 | import "frameworks/base/packages/SystemUI/src/com/android/systemui/tracing/sysui_trace.proto"; |
| 20 | |
| 21 | package com.android.systemui.tracing; |
| 22 | |
| 23 | option java_multiple_files = true; |
| 24 | |
| 25 | /* represents a file full of system ui trace entries. |
| 26 | Encoded, it should start with 0x9 0x53 0x59 0x53 0x55 0x49 0x54 0x52 0x43 (.SYSUITRC), such |
| 27 | that they can be easily identified. */ |
| 28 | message SystemUiTraceFileProto { |
| 29 | |
| 30 | /* constant; MAGIC_NUMBER = (long) MAGIC_NUMBER_H << 32 | MagicNumber.MAGIC_NUMBER_L |
| 31 | (this is needed because enums have to be 32 bits and there's no nice way to put 64bit |
| 32 | constants into .proto files. */ |
| 33 | enum MagicNumber { |
| 34 | INVALID = 0; |
| 35 | MAGIC_NUMBER_L = 0x55535953; /* SYSU (little-endian ASCII) */ |
| 36 | MAGIC_NUMBER_H = 0x43525449; /* ITRC (little-endian ASCII) */ |
| 37 | } |
| 38 | |
| 39 | optional fixed64 magic_number = 1; /* Must be the first field, set to value in MagicNumber */ |
| 40 | repeated SystemUiTraceEntryProto entry = 2; |
| 41 | } |
| 42 | |
| 43 | /* one system ui trace entry. */ |
| 44 | message SystemUiTraceEntryProto { |
| 45 | /* required: elapsed realtime in nanos since boot of when this entry was logged */ |
| 46 | optional fixed64 elapsed_realtime_nanos = 1; |
| 47 | |
| 48 | optional SystemUiTraceProto system_ui = 3; |
| 49 | } |