code: protected void ratio(List<MethodDto> performanceVOList, String entryName) {
  		double allTotalTime = this.getAllTotalTime(performanceVOList, entryName);
  		Map<String, Double> interfaceTotalTimeMap = this.getInterfaceTotalTime(performanceVOList);
  		for (MethodDto performanceVO : performanceVOList) {
  			String interfaceName = performanceVO.getInterfaceName();
  			Double interfaceTotalTime = interfaceTotalTimeMap.get(interfaceName);
  
  			double interfaceRatio = this.percent(performanceVO.getAllTime(), interfaceTotalTime);
  			double timeRatio = this.percent(performanceVO.getAllTime(), allTotalTime);
  
  			performanceVO.setInterfaceRatio(interfaceRatio);
  			performanceVO.setTimeRatio(timeRatio);
  		}
  	}
docs: 计算耗时比率.
  
  @param performanceVOList