code: public String getMethodCsv() {
  		stopCollecting();
  		StringBuilder buff = new StringBuilder();
  		buff.append("Method,Self").append(LINE_SEPARATOR);
  		for (String k : new TreeSet<String>(selfMethods.keySet())) {
  			int percent = 100 * selfMethods.get(k) / Math.max(total, 1);
  			buff.append(k).append(",").append(percent).append(LINE_SEPARATOR);
  		}
  		return buff.toString();
  	}
docs: Stop and obtain the self execution time of methods, each as a row in CSV
  format.
  
  @return the execution time of methods in CSV format