Method run

vjtop/src/main/java/com/vip/vjtools/vjtop/VJTop.java:129–164

(VMDetailView view)

	}

	private void run(VMDetailView view) throws Exception {
		try {
			// System.out 设为Buffered，需要使用System.out.flush刷新
			System.setOut(new PrintStream(new BufferedOutputStream(new FileOutputStream(FileDescriptor.out)), false));

			int iterations = 0;
			while (!view.shouldExit()) {
				waitForInput();
				view.printView();
				if (view.shouldExit()) {
					break;
				}

				System.out.flush();

				if (maxIterations > 0 && iterations >= maxIterations) {
					break;
				}

				// 第一次最多只等待3秒
				int sleepSeconds = (iterations == 0) ? Math.min(3, interval) : interval;

				iterations++;
				sleepStartTime = System.currentTimeMillis();
				Utils.sleep(sleepSeconds * 1000L);
			}
			System.out.println("");
			System.out.flush();
		} catch (NoClassDefFoundError e) {
			e.printStackTrace(System.out);
			System.out.println(Formats.red("ERROR: Some JDK classes cannot be found."));
			System.out.println("       Please check if the JAVA_HOME environment variable has been set to a JDK path.");
			System.out.println("");
			System.out.flush();
		}
	}

	public static void printHelper(OptionParser parser) {
		try {