Пример использования JDTrace

...

import org.opensolaris.os.dtrace.*;

...

 File file = new File("meminfo.d");

 Consumer consumer = new LocalConsumer();

 consumer.addConsumerListener(new ConsumerAdapter() {

            public void dataReceived(DataEvent e) {

                ProbeData data = e.getProbeData();

                java.util.List < Record > records = data.getRecords();

                r1 = Integer.parseInt(records.get(0).toString());

                r2 = Integer.parseInt(records.get(1).toString());

...

 dataset = new DefaultCategoryDataset();

            dataset.addValue(r1, "Memory", "RAM Total");

             dataset.addValue(r2, "Memory", "RAM Unusable");

...

  try {

            consumer.open();

            consumer.compile(file);

            consumer.enable();

            consumer.go();

    ...