http://metrics.dropwizard.io/metrics-jvm: A set of classes which allow you to monitor critical aspects of your Java Virtual Machine using Metrics.
  • Coda Hale
  • Ryan Tenney
  • Artem Prigoda 
package com.codahale.metrics.jvm;

import com.codahale.metrics.Clock;

import java.lang.management.ManagementFactory;
import java.lang.management.ThreadMXBean;


A clock implementation which returns the current thread's CPU time.

/**
 * A clock implementation which returns the current thread's CPU time.
 */
public class CpuTimeClock extends Clock {

    private static final ThreadMXBean THREAD_MX_BEAN = ManagementFactory.getThreadMXBean();

    @Override
    public long getTick() {
        return THREAD_MX_BEAN.getCurrentThreadCpuTime();
    }
}