Function main

benchmark/perf_hooks/usertiming.js:21–34

({ n, observe })

}

function main({ n, observe }) {
  const entryTypes = observe === 'all' ?
    [ 'mark', 'measure' ] :
    [ observe ];
  const obs = new PerformanceObserver(() => {
    bench.end(n);
  });
  obs.observe({ entryTypes, buffered: true });

  bench.start();
  performance.mark('start');
  for (let i = 0; i < 1e5; i++)
    test();
}