1 /*
2 * Copyright (c) 2016, 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 */
30 import java.io.IOException;
31 import java.lang.reflect.InvocationTargetException;
32 import java.net.URL;
33 import java.net.URLClassLoader;
34 import java.nio.file.Path;
35 import java.nio.file.Paths;
36
37 /**
38 * @test gc.g1.humongousObjects.TestHumongousClassLoader
39 * @summary Checks that unreachable classes and unreachable humongous class loader are unloaded after GC
40 * @requires vm.gc.G1
41 * @requires vm.opt.G1HeapRegionSize == "null" | vm.opt.G1HeapRegionSize == "1M"
42 * @requires vm.opt.ExplicitGCInvokesConcurrent != true
43 * @library /test/lib /
44 * @modules java.base/jdk.internal.misc
45 * @modules java.management
46 * @build sun.hotspot.WhiteBox
47 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
48 * sun.hotspot.WhiteBox$WhiteBoxPermission
49 *
50 * @run main/othervm/timeout=240 -Xms256M -Xmx256M -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
51 * gc.g1.humongousObjects.ClassLoaderGenerator 1
52 *
53 * @run main/othervm -Xms256M -Xmx256M -XX:+UseG1GC -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
54 * -Xlog:class+load,class+unload=debug:file=TestHumongousClassLoader_Full_GC.log
55 * -XX:G1HeapRegionSize=1M
56 * gc.g1.humongousObjects.TestHumongousClassLoader FULL_GC
57 *
58 * @run main/othervm -Xms256M -Xmx256M -XX:+UseG1GC -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
59 * -Xlog:class+load,class+unload=debug:file=TestHumongousClassLoader_Full_GC_Mem_Pressure.log
60 * -XX:G1HeapRegionSize=1M
61 * gc.g1.humongousObjects.TestHumongousClassLoader FULL_GC_MEMORY_PRESSURE
62 *
63 *@run main/othervm -Xms256M -Xmx256M -XX:+UseG1GC -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
64 * -Xlog:class+load,class+unload=debug:file=TestHumongousClassLoader_CMC.log
65 * -XX:G1HeapRegionSize=1M -XX:MaxTenuringThreshold=1
66 * gc.g1.humongousObjects.TestHumongousClassLoader CMC
67 *
68 */
69
70 public class TestHumongousClassLoader {
|
1 /*
2 * Copyright (c) 2016, 2017, 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 */
30 import java.io.IOException;
31 import java.lang.reflect.InvocationTargetException;
32 import java.net.URL;
33 import java.net.URLClassLoader;
34 import java.nio.file.Path;
35 import java.nio.file.Paths;
36
37 /**
38 * @test gc.g1.humongousObjects.TestHumongousClassLoader
39 * @summary Checks that unreachable classes and unreachable humongous class loader are unloaded after GC
40 * @requires vm.gc.G1
41 * @requires vm.opt.G1HeapRegionSize == "null" | vm.opt.G1HeapRegionSize == "1M"
42 * @requires vm.opt.ExplicitGCInvokesConcurrent != true
43 * @library /test/lib /
44 * @modules java.base/jdk.internal.misc
45 * @modules java.management
46 * @build sun.hotspot.WhiteBox
47 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
48 * sun.hotspot.WhiteBox$WhiteBoxPermission
49 *
50 * @run main/othervm/timeout=240 -Xms256M -Xmx256M -XX:+UseG1GC -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
51 * gc.g1.humongousObjects.ClassLoaderGenerator 1
52 *
53 * @run main/othervm -Xms256M -Xmx256M -XX:+UseG1GC -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
54 * -Xlog:class+load,class+unload=debug:file=TestHumongousClassLoader_Full_GC.log
55 * -XX:G1HeapRegionSize=1M
56 * gc.g1.humongousObjects.TestHumongousClassLoader FULL_GC
57 *
58 * @run main/othervm -Xms256M -Xmx256M -XX:+UseG1GC -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
59 * -Xlog:class+load,class+unload=debug:file=TestHumongousClassLoader_Full_GC_Mem_Pressure.log
60 * -XX:G1HeapRegionSize=1M
61 * gc.g1.humongousObjects.TestHumongousClassLoader FULL_GC_MEMORY_PRESSURE
62 *
63 *@run main/othervm -Xms256M -Xmx256M -XX:+UseG1GC -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
64 * -Xlog:class+load,class+unload=debug:file=TestHumongousClassLoader_CMC.log
65 * -XX:G1HeapRegionSize=1M -XX:MaxTenuringThreshold=1
66 * gc.g1.humongousObjects.TestHumongousClassLoader CMC
67 *
68 */
69
70 public class TestHumongousClassLoader {
|