src/vs/base/browser/performance.ts/reset
	function reset() {
		performance.clearMarks('keydown/start');
		performance.clearMarks('keydown/end');
		performance.clearMarks('input/start');
		performance.clearMarks('input/end');
		performance.clearMarks('render/start');
		performance.clearMarks('render/end');
		performance.clearMarks('inputlatency/start');
		performance.clearMarks('inputlatency/end');

		performance.clearMeasures('keydown');
		performance.clearMeasures('input');
		performance.clearMeasures('render');
		performance.clearMeasures('inputlatency');

		state.keydown = EventPhase.Before;
		state.input = EventPhase.Before;
		state.render = EventPhase.Before;
	}