30 строки
760 B
JavaScript
30 строки
760 B
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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var inherits = require('util').inherits
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var EventEmitter = require('events').EventEmitter
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function MemoryMonitor(interval) {
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EventEmitter.call(this)
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this.interval = interval || 15000
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this.timer = null
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}
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inherits(MemoryMonitor, EventEmitter)
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MemoryMonitor.prototype.start = function () {
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this.stop()
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this.timer = setTimeout(loop.bind(this), this.interval)
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}
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MemoryMonitor.prototype.stop = function () {
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clearTimeout(this.timer)
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}
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function loop() {
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this.emit('mem', process.memoryUsage())
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this.start()
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}
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module.exports = MemoryMonitor
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