LargeStacktracesExample.java

/**
 * Copyright (c) 2014 Richard Warburton (richard.warburton@gmail.com)
 * <p>
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 * <p>
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 * <p>
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 **/
package com.insightfullogic.honest_profiler.testing_utilities;

import java.util.Calendar;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.stream.IntStream;

public class LargeStacktracesExample implements Runnable
{

    public static void main(String[] args) throws Exception
    {
        int processors = Runtime.getRuntime().availableProcessors() * 2;

        ExecutorService threadPool = Executors.newFixedThreadPool(processors);
        IntStream.range(0, processors)
            .forEach(x -> threadPool.submit(new LargeStacktracesExample()));
    }

    @Override
    public void run()
    {
        while (true)
        {
            String value = null;
            for (int i = 0; i < 100_000; i++)
            {
                value = someSillyMethod();
                try
                {
                    Thread.sleep(5);
                }
                catch (InterruptedException e)
                {
                    e.printStackTrace();
                }
            }
            System.out.println(value);
        }
    }

    private String someSillyMethod()
    {
        Calendar cal = Calendar.getInstance();
        return cal.toString();
    }

}