src/vs/base/parts/ipc/common/ipc.net.ts/LoadEstimator/load
class LoadEstimator:	public load(): number {
		const now = Date.now();
		const historyLimit = (1 + LoadEstimator._HISTORY_LENGTH) * 1000;
		let score = 0;
		for (let i = 0; i < LoadEstimator._HISTORY_LENGTH; i++) {
			if (now - this.lastRuns[i] <= historyLimit) {
				score++;
			}
		}
		return 1 - score / LoadEstimator._HISTORY_LENGTH;
	}