Mercurial > hg > truffle
view test/runtime/NMT/ReleaseCommittedMemory.java @ 20396:6640f982c1be
8054711: [TESTBUG] Enable NMT2 tests after NMT2 is integrated
Summary: enable tests for NMT2
Reviewed-by: ctornqvi, zgu
author | gtriantafill |
---|---|
date | Thu, 04 Sep 2014 10:14:37 -0400 |
parents | ac12996df59b |
children |
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/* * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 8013120 * @summary Release committed memory and make sure NMT handles it correctly * @key nmt regression * @library /testlibrary /testlibrary/whitebox * @build ReleaseCommittedMemory * @run main ClassFileInstaller sun.hotspot.WhiteBox * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:NativeMemoryTracking=detail ReleaseCommittedMemory */ import sun.hotspot.WhiteBox; public class ReleaseCommittedMemory { public static void main(String args[]) throws Exception { WhiteBox wb = WhiteBox.getWhiteBox(); long reserveSize = 256 * 1024; long addr; addr = wb.NMTReserveMemory(reserveSize); wb.NMTCommitMemory(addr, 128*1024); wb.NMTReleaseMemory(addr, reserveSize); } }