public static double calcLoad(Long deltaCpuTime, long deltaUptime, long factor) {
		if (deltaCpuTime == null || deltaCpuTime <= 0 || deltaUptime == 0) {
			return 0.0;
		}
		return deltaCpuTime * 100d / factor / deltaUptime;
	}
public static double calcLoad ( Long deltaCpuTime , long deltaUptime , long factor ) { if ( deltaCpuTime == null || deltaCpuTime <= 0 || deltaUptime == 0 ) { return 0.0 ; } return deltaCpuTime * 100d / factor / deltaUptime ; }
calculates a "load", given on two deltas