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 option optimize_for = LITE_RUNTIME; 19 20 package perfetto.protos; 21 22 // Periodically emitted data that's common to all events emitted by the same 23 // thread, i.e. all events in the same packet sequence. Valid for all subsequent 24 // events in the same sequence. 25 // 26 // Next id: 8. 27 message ThreadDescriptor { 28 optional int32 pid = 1; 29 optional int32 tid = 2; 30 31 // To support old UI. New UI should determine default sorting by thread_type. 32 optional int32 legacy_sort_index = 3; 33 34 enum ChromeThreadType { 35 THREAD_UNSPECIFIED = 0; 36 // TODO(eseckler): Add thread types. 37 }; 38 optional ChromeThreadType chrome_thread_type = 4; 39 40 // TODO(eseckler): Replace this with ChromeThreadType where possible. 41 optional string thread_name = 5; 42 43 // Absolute reference values. Clock values in subsequent TrackEvents can be 44 // encoded accumulatively and relative to these. This reduces their var-int 45 // encoding size. 46 optional int64 reference_timestamp_us = 6; 47 optional int64 reference_thread_time_us = 7; 48 } 49
