ConfFile_cfg.py

import FWCore.ParameterSet.Config as cms

process = cms.Process("Demo")

process.load("FWCore.MessageService.MessageLogger_cfi")

process.maxEvents = cms.untracked.PSet( input = cms.untracked.int32(-1) )

process.Timing = cms.Service("Timing",
  summaryOnly = cms.untracked.bool(False),
    useJobReport = cms.untracked.bool(True)
    )

readFiles = cms.untracked.vstring()
secFiles = cms.untracked.vstring()

process.source = cms.Source ("PoolSource",fileNames = readFiles, secondaryFileNames = secFiles)
readFiles.extend( [
'/store/mc/HC/GenericTTbar/GEN-SIM-RECO/CMSSW_5_3_1_START53_V5-v1/0010/00CE4E7C-DAAD-E111-BA36-0025B32034EA.root'] )

process.demo = cms.EDAnalyzer('testCPU',
                              durationInHours = cms.int32(2),
                             )

process.p = cms.Path(process.demo)