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test/hotspot/jtreg/gc/shenandoah/jni/TestJNIGlobalRefs.java

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  1 /*
  2  * Copyright (c) 2018, Red Hat, Inc. 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  *

 24 
 25 /* @test id=aggressive-verify
 26  * @summary Test JNI Global Refs with Shenandoah
 27  * @requires vm.gc.Shenandoah
 28  *
 29  * @run main/othervm/native -Xmx1g -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 30  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
 31  *      -XX:+ShenandoahVerify
 32  *      TestJNIGlobalRefs
 33  */
 34 
 35 /* @test id=aggressive
 36  * @summary Test JNI Global Refs with Shenandoah
 37  * @requires vm.gc.Shenandoah
 38  *
 39  * @run main/othervm/native -Xmx1g -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 40  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
 41  *      TestJNIGlobalRefs
 42  */
 43 



















 44 import java.util.Arrays;
 45 import java.util.Random;
 46 
 47 public class TestJNIGlobalRefs {
 48     static {
 49         System.loadLibrary("TestJNIGlobalRefs");
 50     }
 51 
 52     private static final int TIME_MSEC = 120000;
 53     private static final int ARRAY_SIZE = 10000;
 54 
 55     private static native void makeGlobalRef(Object o);
 56     private static native void makeWeakGlobalRef(Object o);
 57     private static native Object readGlobalRef();
 58     private static native Object readWeakGlobalRef();
 59 
 60     public static void main(String[] args) throws Throwable {
 61         seedGlobalRef();
 62         seedWeakGlobalRef();
 63         long start = System.currentTimeMillis();
 64         long current = start;
 65         while (current - start < TIME_MSEC) {
 66             testGlobal();
 67             testWeakGlobal();
 68             Thread.sleep(1);
 69             current = System.currentTimeMillis();
 70         }
 71     }
 72 
 73     private static void seedGlobalRef() {
 74         int[] a = new int[ARRAY_SIZE];
 75         fillArray(a, 1337);
 76         makeGlobalRef(a);
 77     }
 78 
 79     private static void seedWeakGlobalRef() {
 80         int[] a = new int[ARRAY_SIZE];
 81         fillArray(a, 8080);
 82         makeWeakGlobalRef(a);
 83     }
 84 
 85     private static void testGlobal() {
 86         int[] a = (int[]) readGlobalRef();
 87         checkArray(a, 1337);
 88     }
 89 

  1 /*
  2  * Copyright (c) 2018, Red Hat, Inc. All rights reserved.
  3  * Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
  4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  5  *
  6  * This code is free software; you can redistribute it and/or modify it
  7  * under the terms of the GNU General Public License version 2 only, as
  8  * published by the Free Software Foundation.
  9  *
 10  * This code is distributed in the hope that it will be useful, but WITHOUT
 11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 13  * version 2 for more details (a copy is included in the LICENSE file that
 14  * accompanied this code).
 15  *
 16  * You should have received a copy of the GNU General Public License version
 17  * 2 along with this work; if not, write to the Free Software Foundation,
 18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 19  *
 20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 21  * or visit www.oracle.com if you need additional information or have any
 22  * questions.
 23  *

 25 
 26 /* @test id=aggressive-verify
 27  * @summary Test JNI Global Refs with Shenandoah
 28  * @requires vm.gc.Shenandoah
 29  *
 30  * @run main/othervm/native -Xmx1g -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 31  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
 32  *      -XX:+ShenandoahVerify
 33  *      TestJNIGlobalRefs
 34  */
 35 
 36 /* @test id=aggressive
 37  * @summary Test JNI Global Refs with Shenandoah
 38  * @requires vm.gc.Shenandoah
 39  *
 40  * @run main/othervm/native -Xmx1g -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 41  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
 42  *      TestJNIGlobalRefs
 43  */
 44 
 45 /* @test id=generational-verify
 46  * @summary Test JNI Global Refs with Shenandoah
 47  * @requires vm.gc.Shenandoah
 48  *
 49  * @run main/othervm/native -Xmx1g -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 50  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational
 51  *      -XX:+ShenandoahVerify
 52  *      TestJNIGlobalRefs
 53  */
 54 
 55 /* @test id=generational
 56  * @summary Test JNI Global Refs with Shenandoah
 57  * @requires vm.gc.Shenandoah
 58  *
 59  * @run main/othervm/native -Xmx1g -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
 60  *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=generational
 61  *      TestJNIGlobalRefs
 62  */
 63 
 64 import java.util.Arrays;
 65 import java.util.Random;
 66 
 67 public class TestJNIGlobalRefs {
 68     static {
 69         System.loadLibrary("TestJNIGlobalRefs");
 70     }
 71 
 72     private static final long TIME_NSEC = 120L * 1_000_000_000L;
 73     private static final int ARRAY_SIZE = 10000;
 74 
 75     private static native void makeGlobalRef(Object o);
 76     private static native void makeWeakGlobalRef(Object o);
 77     private static native Object readGlobalRef();
 78     private static native Object readWeakGlobalRef();
 79 
 80     public static void main(String[] args) throws Throwable {
 81         seedGlobalRef();
 82         seedWeakGlobalRef();
 83         long startNanos = System.nanoTime();
 84         long currentNanos = startNanos;
 85         while (currentNanos - startNanos < TIME_NSEC) {
 86             testGlobal();
 87             testWeakGlobal();
 88             Thread.sleep(1);
 89             currentNanos = System.nanoTime();
 90         }
 91     }
 92 
 93     private static void seedGlobalRef() {
 94         int[] a = new int[ARRAY_SIZE];
 95         fillArray(a, 1337);
 96         makeGlobalRef(a);
 97     }
 98 
 99     private static void seedWeakGlobalRef() {
100         int[] a = new int[ARRAY_SIZE];
101         fillArray(a, 8080);
102         makeWeakGlobalRef(a);
103     }
104 
105     private static void testGlobal() {
106         int[] a = (int[]) readGlobalRef();
107         checkArray(a, 1337);
108     }
109 
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