src/vs/base/common/event.ts/EventProfiling/stop
class EventProfiling:	stop(): void {
		if (this._stopWatch) {
			const elapsed = this._stopWatch.elapsed();
			this.durations.push(elapsed);
			this.elapsedOverall += elapsed;
			this.invocationCount += 1;
			this._stopWatch = undefined;
		}
	}