1 /*
2  * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 
24 package nsk.share.runner;
25 
26 /**
27  *  Helper that prints memory information.
28  */
29 public class MemDiag implements Runnable {
30         private long sleepTime;
31 
MemDiag()32         public MemDiag() {
33                 this(RunParams.getInstance().getSleepTime());
34         }
35 
MemDiag(long sleepTime)36         public MemDiag(long sleepTime) {
37                 this.sleepTime = sleepTime;
38         }
39 
run()40         public void run() {
41                 System.out.println(Runtime.getRuntime().freeMemory());
42                 // Ensure that interrupt status is not lost
43                 if (Thread.currentThread().isInterrupted())
44                         return;
45                 try {
46                         Thread.sleep(sleepTime);
47                 } catch (InterruptedException e) {
48                         Thread.currentThread().interrupt();
49                 }
50         }
51 }
52