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annotate test/runtime/7196045/Test7196045.java @ 11073:ac7193063af8

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8006023: Embedded Builds fail management test because of requirement for UsePerfData being enabled. Summary: Added -XX:+UsePerfData to Test7196045.java. Reviewed-by: dholmes, collins
author jiangli
date Mon, 01 Jul 2013 19:44:37 -0400
parents fab6fbf427d2
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
6af8f3562069 7196045: Possible JVM deadlock in ThreadTimesClosure when using HotspotInternal non-public API.
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
6af8f3562069 7196045: Possible JVM deadlock in ThreadTimesClosure when using HotspotInternal non-public API.
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 /*
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26 * @test
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27 * @bug 7196045
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28 * @summary Possible JVM deadlock in ThreadTimesClosure when using HotspotInternal non-public API.
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ac7193063af8 8006023: Embedded Builds fail management test because of requirement for UsePerfData being enabled.
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29 * @run main/othervm -XX:+UsePerfData Test7196045
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30 */
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31
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32 import java.lang.management.ManagementFactory;
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33 import javax.management.JMException;
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34 import javax.management.MBeanServer;
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35 import javax.management.MalformedObjectNameException;
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36 import javax.management.ObjectName;
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37
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38 public class Test7196045 {
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39
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40 public static long duration = 1000 * 60 * 2;
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41 private static final String HOTSPOT_INTERNAL = "sun.management:type=HotspotInternal";
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42
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43 public static void main(String[] args) {
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44
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45 MBeanServer server = ManagementFactory.getPlatformMBeanServer();
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46 ObjectName objName= null;
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47 try {
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48 ObjectName hotspotInternal = new ObjectName(HOTSPOT_INTERNAL);
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49 try {
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50 server.registerMBean(new sun.management.HotspotInternal(), hotspotInternal);
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51 } catch (JMException e) {
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52 throw new RuntimeException("HotSpotWatcher: Failed to register the HotspotInternal MBean" + e);
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53 }
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54 objName= new ObjectName("sun.management:type=HotspotThreading");
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55
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56 } catch (MalformedObjectNameException e1) {
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57 throw new RuntimeException("Bad object name" + e1);
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58 }
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59
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60 long endTime = System.currentTimeMillis() + duration;
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61 long i = 0;
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62 while (true) {
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63 try {
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64 server.getAttribute(objName, "InternalThreadCpuTimes");
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65 } catch (Exception ex) {
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66 System.err.println("Exception while getting attribute: " + ex);
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67 }
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68 i++;
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69 if (i % 10000 == 0) {
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70 System.out.println("Successful iterations: " + i);
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71 }
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72 if (System.currentTimeMillis() > endTime) {
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73 break;
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74 }
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75 }
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76 System.out.println("PASSED.");
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77 }
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78 }