code: protected double getAllTotalTime(List<MethodDto> performanceVOList, String threadName) {
  		double totalTime = 0;
  		if (threadName != null && threadName.length() > 0) {
  			totalTime = this.getAllTotalTimeByEntry(performanceVOList);
  			if (totalTime > -1) {
  				return totalTime;
  			}
  			else {
  				totalTime = 0;
  			}
  		}
  
  		for (MethodDto performanceVO : performanceVOList) {
  			totalTime += performanceVO.getAllTime();
  		}
  		return totalTime;
  	}
docs: 获取各模块的总耗时.
  
  @param performanceVOList
  @return