def timeLogged (Closure c) {
    long start = - System.currentTimeMillis()
    c.call()
    println "duration in sec: " + (System.currentTimeMillis() + start) / 1000;
}
 
def tueA() { tue('a') }
def tueB() { tue('b') }
def tueC() { tue('c') }
 
def tue(was) {
	println was
	sleep(100)
}
 
timeLogged { tueA() }
timeLogged { tueB() }
timeLogged { tueC() }