1// Copyright (C) 2024 The Android Open Source Project 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15import {LONG} from '../../trace_processor/query_result'; 16import {Trace} from '../../public/trace'; 17import {PerfettoPlugin} from '../../public/plugin'; 18import {createQuerySliceTrack} from '../../components/tracks/query_slice_track'; 19import {TrackNode} from '../../public/workspace'; 20import {optimizationsTrack} from './optimizations'; 21 22export default class implements PerfettoPlugin { 23 static readonly id = 'dev.perfetto.AndroidStartup'; 24 25 async onTraceLoad(ctx: Trace): Promise<void> { 26 const e = ctx.engine; 27 await e.query(` 28 include perfetto module android.startup.startups; 29 include perfetto module android.startup.startup_breakdowns; 30 `); 31 32 const cnt = await e.query('select count() cnt from android_startups'); 33 if (cnt.firstRow({cnt: LONG}).cnt === 0n) { 34 return; 35 } 36 37 const trackSource = ` 38 SELECT l.ts AS ts, l.dur AS dur, l.package AS name 39 FROM android_startups l 40 `; 41 const trackBreakdownSource = ` 42 SELECT 43 ts, 44 dur, 45 reason AS name 46 FROM android_startup_opinionated_breakdown 47 `; 48 49 const trackNode = await this.loadStartupTrack( 50 ctx, 51 trackSource, 52 `/android_startups`, 53 'Android App Startups', 54 ); 55 const trackBreakdownNode = await this.loadStartupTrack( 56 ctx, 57 trackBreakdownSource, 58 `/android_startups_breakdown`, 59 'Android App Startups Breakdown', 60 ); 61 const optimizations = await optimizationsTrack(ctx); 62 ctx.workspace.addChildInOrder(trackNode); 63 trackNode.addChildLast(trackBreakdownNode); 64 if (!!optimizations) { 65 trackNode.addChildLast(optimizations); 66 } 67 } 68 69 private async loadStartupTrack( 70 ctx: Trace, 71 sqlSource: string, 72 uri: string, 73 title: string, 74 ): Promise<TrackNode> { 75 const track = await createQuerySliceTrack({ 76 trace: ctx, 77 uri, 78 data: { 79 sqlSource, 80 columns: ['ts', 'dur', 'name'], 81 }, 82 }); 83 ctx.tracks.registerTrack({ 84 uri, 85 title, 86 track, 87 }); 88 // Needs a sort order lower than 'Ftrace Events' so that it is prioritized in the UI. 89 return new TrackNode({title, uri, sortOrder: -6}); 90 } 91} 92