Jenkins Build Time

build-time

def numberOfHoursBack = 30*24
def diff = ((System.currentTimeMillis() / 1000) - (numberOfHoursBack * 60 * 60)) * 1000

def totalBuildTime =
  Jenkins.instance.getItems(Job.class).collect { job ->
  job.getBuilds().byTimestamp(diff.longValue() , System.currentTimeMillis())
   }
.flatten()
.collect { build -> build.getDuration() }
.sum()

def totalBuildTimeInMinutes = (int)totalBuildTime/(60*1000)

println "During the last $numberOfHoursBack hours"
println "\t $totalBuildTimeInMinutes minutes total"
println "\t ${totalBuildTimeInMinutes/numberOfHoursBack} minutes per hour in average"