68 lines
1.8 KiB
TypeScript
68 lines
1.8 KiB
TypeScript
import ListWalker from 'Player/common/ListWalker';
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import type { IosPerformanceEvent } from 'Player/web/messages';
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const performanceEvTypes = {
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MemoryUsage: 'memoryUsage',
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MainThreadCPU: 'mainThreadCPU',
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Background: 'background',
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};
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export type PerformanceChartPoint = {
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time: number,
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cpu: number | null,
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memory: number | null,
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isBackground: boolean,
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}
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export default class IOSPerformanceTrackManager extends ListWalker<IosPerformanceEvent> {
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private chart: Array<PerformanceChartPoint> = [];
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private isInBg = false;
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lastData: { cpu: number | null, memory: number | null } = { cpu: null, memory: null };
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append(msg: IosPerformanceEvent): void {
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if (!Object.values(performanceEvTypes).includes(msg.name)) {
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return console.log('Unsupported performance event type', msg.name);
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}
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let cpu: number | null = null;
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let memory: number | null = null;
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if (msg.time < 0) msg.time = 1;
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if (msg.name === performanceEvTypes.Background) {
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// @ts-ignore
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const isBackground = msg.value === 1;
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if (isBackground === this.isInBg) return;
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this.isInBg = isBackground;
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this.chart.push({
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time: msg.time,
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cpu: null,
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memory: null,
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isBackground,
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});
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return super.append(msg);
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}
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if (msg.name === performanceEvTypes.MemoryUsage) {
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memory = msg.value;
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cpu = this.lastData.cpu;
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this.lastData.memory = memory;
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}
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if (msg.name === performanceEvTypes.MainThreadCPU) {
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cpu = msg.value;
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memory = this.lastData.memory;
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this.lastData.cpu = cpu;
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}
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this.chart.push({
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time: msg.time,
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cpu,
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memory,
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isBackground: false,
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});
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super.append(msg);
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}
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get chartData(): Array<PerformanceChartPoint> {
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return this.chart;
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}
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}
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