https://github.com/jruby/jruby/jruby-core: JRuby is the effort to recreate the Ruby (https://www.ruby-lang.org) interpreter in Java. (JRuby)
  • headius
  • enebo
  • wmeissner
  • BanzaiMan
  • mkristian 
package org.jruby.management;

public interface ParserStatsMBean {
    public double getTotalParseTime();
    public double getParseTimePerKB();
    public long getTotalParsedBytes();
    public int getNumberOfEvalParses();
    public int getNumberOfLoadParses();
}