protected double nextTokenAsDouble() {
      double d = 0;
      try {
        d = Double.parseDouble(nextToken());
      } catch (NumberFormatException ignore) {
      }
      return d;
    }
@return the number of running processes on the system
geode-core/src/main/java/org/apache/geode/internal/statistics/platform/LinuxProcFsStatistics.java