统计多线程下程序运行总时间

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package com.gpcsoft.hct.epp.egp.thread;

import com.gpcsoft.hct.epp.egp.HttpClientBailApi;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import java.util.Calendar;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.CyclicBarrier;

/**
* @Auther: gaojp
* @Date: 2019/5/5 17:14
* @Description:
*/

public class ThreadTest {

    public static Boolean printStatusInfo = false;
    public void mutiThread(){
        long start = Calendar.getInstance().getTimeInMillis();
        //线程数量
        int num =100;
        Boolean printStatus =false;
        //计数
        CountDownLatch countDownLatch = new CountDownLatch(num);
        //停车栅栏
        CyclicBarrier cyclicBarrier = new CyclicBarrier(num);

        for (int i = 0; i             String mobile ="200"+i;
            String tag =mobile+"_"+ Calendar.getInstance().getTimeInMillis();
            new Thread(new ThreadNum(countDownLatch, mobile,tag,cyclicBarrier,start,printStatus)).start();
            countDownLatch.countDown();

        }
    }


    private class ThreadNum implements Runnable {
        private CountDownLatch countDownLatch;
        private CyclicBarrier cyclicBarrier;
        private long start;
        private boolean printStatus;

        private String mobile;
        private String tag;

        private ThreadNum(CountDownLatch countDownLatch, String mobile, String tag) {
            this.countDownLatch = countDownLatch;
            this.mobile = mobile;
            this.tag = tag;
        }

        private ThreadNum(CountDownLatch countDownLatch, String mobile, String tag,CyclicBarrier cyclicBarrier) {
            this.countDownLatch = countDownLatch;
            this.mobile = mobile;
            this.tag = tag;
            this.cyclicBarrier =cyclicBarrier;
        }


        private ThreadNum(CountDownLatch countDownLatch, String mobile, String tag,
                          CyclicBarrier cyclicBarrier,boolean printStatus) {
            this.countDownLatch = countDownLatch;
            this.mobile = mobile;
            this.tag = tag;
            this.cyclicBarrier =cyclicBarrier;
            this.printStatus = printStatus;
        }

        private ThreadNum(CountDownLatch countDownLatch, String mobile, String tag,
                          CyclicBarrier cyclicBarrier,long start,boolean printStatus) {
            this.countDownLatch = countDownLatch;
            this.mobile = mobile;
            this.tag = tag;
            this.cyclicBarrier =cyclicBarrier;
            this.start = start;
            this.printStatus = printStatus;
        }

        @Override
        public void run() {

            try {
                //等待所有线程准备完毕后，同时访问接口
                countDownLatch.await();
                Map req = new HashMap();
                req.put("username","little");
                req.put("password","1992");
                Iterator item = req.values().iterator();
                StringBuffer sb = new StringBuffer();
                while (item.hasNext()){
                    sb.append(item.next());
                }
                System.out.println(sb.toString());
                String url ="http://localhost:9090/shiro/loginUser";
                HttpClientBailApi api = new HttpClientBailApi();
                try {
                    String string = api.postStringApi(url, req);
                    System.out.println("result:::"+string.substring(0,10)+"___"+mobile+"-"+tag);
                }catch (Exception ex){
                    ex.printStackTrace();
                }

                //等待线程运行完成
               int awaitNum = cyclicBarrier.await();
                long end = Calendar.getInstance().getTimeInMillis();
                if(!printStatusInfo) {
                    printStatusInfo = true;
                    System.out.println(awaitNum + "运行时间：：" + (end - start));
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

    public static void main(String[] args) {
        ThreadTest  test = new ThreadTest();
        test.mutiThread();

    }

}