BenchmarkSuite displayCSV(Formatter fmt, String separator) {
    fmt.format("%s%s%s%s%s%s%s%s%s%s%s%n",
        "Operation", separator, "Mean", separator, "Med", separator, "Min",
        separator, "Max", separator, "Err%");
    result.forEach((name, s) -> displayCSV(fmt, name, s, separator));
    return this;
  }
Format all results in CSV format
@param fmt text formatter - destination of formatted results.
@param separator field separator
@return this
standalone-metastore/metastore-tools/tools-common/src/main/java/org/apache/hadoop/hive/metastore/tools/BenchmarkSuite.java