87 lines
3.5 KiB
Java
87 lines
3.5 KiB
Java
/*
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* Copyright (c) 2020, 2021, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2020 SAP SE. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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/*
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* @test id=debug
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* @bug 8251158
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* java.management
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* @build sun.hotspot.WhiteBox
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* @requires (vm.debug == true)
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*
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* @run driver jdk.test.lib.helpers.ClassFileInstaller sun.hotspot.WhiteBox
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*
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:VerifyMetaspaceInterval=10 TestMetaspaceAllocation
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:VerifyMetaspaceInterval=10 -XX:MetaspaceReclaimPolicy=none TestMetaspaceAllocation
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:VerifyMetaspaceInterval=10 -XX:MetaspaceReclaimPolicy=aggressive TestMetaspaceAllocation
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:VerifyMetaspaceInterval=10 -XX:+MetaspaceGuardAllocations TestMetaspaceAllocation
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*
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*/
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/*
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* @test id=ndebug
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* @bug 8251158
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* java.management
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* @build sun.hotspot.WhiteBox
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* @requires (vm.debug == false)
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*
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* @run driver jdk.test.lib.helpers.ClassFileInstaller sun.hotspot.WhiteBox
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*
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI TestMetaspaceAllocation
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:MetaspaceReclaimPolicy=none TestMetaspaceAllocation
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:MetaspaceReclaimPolicy=aggressive TestMetaspaceAllocation
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*/
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public class TestMetaspaceAllocation {
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public static void main(String[] args) {
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MetaspaceTestContext context = new MetaspaceTestContext();
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MetaspaceTestArena arena1 = context.createArena(false, 1024 * 1024 * 4);
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MetaspaceTestArena arena2 = context.createArena(true,1024 * 1024 * 4);
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Allocation a1 = arena1.allocate(100);
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Allocation a2 = arena2.allocate(100);
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long used = context.usedWords();
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long committed = context.committedWords();
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System.out.println("used " + used + " committed " + committed);
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arena1.deallocate(a1);
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context.destroyArena(arena2);
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context.destroyArena(arena1);
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context.purge();
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context.destroy();
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}
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}
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