Spring StopWatch

详细用法请参考示例https://gitee.com/dexterleslie/demonstration/tree/master/demo-java/demo-library/demo-spring-stopwatch

/**
 * https://blog.csdn.net/MadLifeBin/article/details/120550966
 *
 * @throws InterruptedException
 */
@Test
public void test() throws InterruptedException {
    List<StopWatch> stopWatchList = new ArrayList<>();

    ExecutorService executorService = Executors.newCachedThreadPool();
    for (int i = 0; i < 2; i++) {
        int finalI = i;
        executorService.submit(() -> {
            StopWatch stopWatch = new StopWatch("任务-" + finalI);
            stopWatchList.add(stopWatch);

            // 执行任务步骤2
            String taskName = "任务-" + finalI + "-step1";
            stopWatch.start(taskName);

            Random random = new Random();
            int milliseconds = random.nextInt(1000);
            if (milliseconds <= 0) {
                milliseconds = 1;
            }
            try {
                TimeUnit.MILLISECONDS.sleep(milliseconds);
            } catch (InterruptedException ignored) {

            }

            stopWatch.stop();

            // 执行任务步骤2
            taskName = "任务-" + finalI + "-step2";
            stopWatch.start(taskName);

            milliseconds = random.nextInt(1000);
            if (milliseconds <= 0) {
                milliseconds = 1;
            }
            try {
                TimeUnit.MILLISECONDS.sleep(milliseconds);
            } catch (InterruptedException ignored) {

            }

            stopWatch.stop();
        });
    }

    executorService.shutdown();
    while (!executorService.awaitTermination(1, TimeUnit.SECONDS)) ;

    stopWatchList.forEach(stopWatch -> {
        // 获取任务两个步骤总执行时间
        long totalTimeMilllis = stopWatch.getTotalTimeMillis();
        log.debug(stopWatch.getId() + "执行时间: " + totalTimeMilllis + " 毫秒");

        String stopWatchStr = stopWatch.prettyPrint();
        log.debug(stopWatchStr);
    });
}