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nodejs/benchmark/perf_hooks/nodetiming-uvmetricsinfo.js

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'use strict';
const common = require('../common.js');
const assert = require('node:assert');
const fs = require('node:fs/promises');
const {
performance,
} = require('perf_hooks');
const bench = common.createBenchmark(main, {
n: [1e6],
events: [1, 1000, 10000],
});
async function runEvents(events) {
for (let i = 0; i < events; ++i) {
assert.ok(await fs.statfs(__filename));
}
}
async function main({ n, events }) {
await runEvents(events);
bench.start();
for (let i = 0; i < n; i++) {
assert.ok(performance.nodeTiming.uvMetricsInfo);
}
bench.end(n);
}