Moleculer middleware for detect event loop delay

perfhook.js

const { monitorEventLoopDelay } = require("perf_hooks");
const { humanize } = require("moleculer/src/utils");

module.exports = {
    name: "perfhook",
    created() {
        this.perfhook = monitorEventLoopDelay({ resolution: 20 });
        this.perfhook.enable();
    },
    stopped() {
        this.perfhook.disable();
        console.table({
            min: humanize(this.perfhook.min / 1e6),
            max: humanize(this.perfhook.max / 1e6),
            mean: humanize(this.perfhook.mean / 1e6),
            stddev: humanize(this.perfhook.stddev / 1e6),
            p10: humanize(this.perfhook.percentile(10) / 1e6),
            p50: humanize(this.perfhook.percentile(50) / 1e6),
            p99: humanize(this.perfhook.percentile(99) / 1e6)
        });
    }
};