| /* |
| * 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; |
| |
| // Describes a thread's attributes. Emitted as part of a TrackDescriptor, |
| // usually by the thread's trace writer. |
| // |
| // Next id: 9. |
| message ThreadDescriptor { |
| optional int32 pid = 1; |
| optional int32 tid = 2; |
| |
| optional string thread_name = 5; |
| |
| // --------------------------------------------------------------------------- |
| // Deprecated / legacy fields, which will be removed in the future: |
| // --------------------------------------------------------------------------- |
| |
| enum ChromeThreadType { |
| CHROME_THREAD_UNSPECIFIED = 0; |
| |
| CHROME_THREAD_MAIN = 1; |
| CHROME_THREAD_IO = 2; |
| |
| // Scheduler: |
| CHROME_THREAD_POOL_BG_WORKER = 3; |
| CHROME_THREAD_POOL_FG_WORKER = 4; |
| CHROME_THREAD_POOL_FB_BLOCKING = 5; |
| CHROME_THREAD_POOL_BG_BLOCKING = 6; |
| CHROME_THREAD_POOL_SERVICE = 7; |
| |
| // Compositor: |
| CHROME_THREAD_COMPOSITOR = 8; |
| CHROME_THREAD_VIZ_COMPOSITOR = 9; |
| CHROME_THREAD_COMPOSITOR_WORKER = 10; |
| |
| // Renderer: |
| CHROME_THREAD_SERVICE_WORKER = 11; |
| |
| // Tracing related threads: |
| CHROME_THREAD_MEMORY_INFRA = 50; |
| CHROME_THREAD_SAMPLING_PROFILER = 51; |
| }; |
| optional ChromeThreadType chrome_thread_type = 4; |
| |
| // Deprecated. Use ClockSnapshot in combination with TracePacket's timestamp |
| // and timestamp_clock_id fields instead. |
| optional int64 reference_timestamp_us = 6; |
| |
| // Absolute reference values. Clock values in subsequent TrackEvents can be |
| // encoded accumulatively and relative to these. This reduces their var-int |
| // encoding size. |
| // TODO(eseckler): Deprecated. Replace these with ClockSnapshot encoding. |
| optional int64 reference_thread_time_us = 7; |
| optional int64 reference_thread_instruction_count = 8; |
| |
| // To support old UI. New UI should determine default sorting by thread_type. |
| optional int32 legacy_sort_index = 3; |
| } |