src/vs/base/browser/performance.ts/onRenderStart
	export function onRenderStart() {
		// Render may be triggered during input, but we only measure the following animation frame
		if (state.keydown === EventPhase.Finished && state.input === EventPhase.Finished && state.render === EventPhase.Before) {
			// Only measure the first render after keyboard input
			performance.mark('render/start');
			state.render = EventPhase.InProgress;
			queueMicrotask(markRenderEnd);
			/** Schedule Task B. See explanation in {@link recordIfFinished} */
			scheduleRecordIfFinishedTask();
		}
	}