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deps/v8/tools/system-analyzer/log/timer.mjs
56 строк
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Michaël Zasso
deps: update V8 to 10.2.154.2
21 апр 2022, 12:54
Не верифицирован
21 апр 2022, 12:54
6bbc559
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// Copyright 2021 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. import {formatDurationMicros} from '../helper.mjs'; import {LogEntry} from './log.mjs'; export class TimerLogEntry extends LogEntry { constructor(type, startTime, endTime = -1) { super(type, startTime); this._endTime = endTime; this.depth = 0; } end(time) { if (this.isInitialized) throw new Error('Invalid timer change'); this._endTime = time; } get isInitialized() { return this._endTime !== -1; } get startTime() { return this._time; } get endTime() { return this._endTime; } get duration() { return Math.max(0, this._endTime - this._time); } covers(time) { return this._time <= time && time <= this._endTime; } get toolTipDict() { const dict = super.toolTipDict; dict.startTime = formatDurationMicros(dict.startTime); dict.endTime = formatDurationMicros(dict.endTime); dict.duration = formatDurationMicros(dict.duration); return dict; } static get propertyNames() { return [ 'type', 'startTime', 'endTime', 'duration', ]; } }