hotspot/test/runtime/NMT/UnsafeMallocLimit2.java
author shade
Thu, 02 Oct 2014 17:13:31 +0400
changeset 27003 19617f4c9dd0
parent 26925 c77fdcf78eeb
permissions -rw-r--r--
8059595: Verifier::verify is wasting time before is_eligible_for_verification check Summary: Do the check earlier. Reviewed-by: hseigel, kamg
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/*
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 * Copyright (c) 2014, Oracle and/or its affiliates. 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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 * @test
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 * @bug 8058818
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 * @library /testlibrary
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 * @build UnsafeMallocLimit2
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 * @run main/othervm -Xmx32m -XX:NativeMemoryTracking=off UnsafeMallocLimit2
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 */
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import com.oracle.java.testlibrary.*;
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import sun.misc.Unsafe;
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public class UnsafeMallocLimit2 {
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    public static void main(String args[]) throws Exception {
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        if (Platform.is32bit()) {
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            Unsafe unsafe = Utils.getUnsafe();
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            try {
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                // Allocate greater than MALLOC_MAX and likely won't fail to allocate,
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                // so it hits the NMT code that asserted.
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                // Test that this doesn't cause an assertion with NMT off.
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                // The option above overrides if all the tests are run with NMT on.
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                unsafe.allocateMemory(0x40000000);
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                System.out.println("Allocation succeeded");
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            } catch (OutOfMemoryError e) {
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                System.out.println("Allocation failed");
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            }
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        } else {
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            System.out.println("Test only valid on 32-bit platforms");
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        }
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    }
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}