Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/oops/JumpData.java @ 8790:7f0cb32dd233
8004241: NPG: Metaspace occupies more memory than specified by -XX:MaxMetaspaceSize option
Summary: Enforce MaxMetaspaceSize for both metaspace parts, check MaxMetaspaceSize against "reserved", not "capacity"
Reviewed-by: jmasa, johnc
author | mgerdin |
---|---|
date | Thu, 21 Mar 2013 09:07:43 +0100 |
parents | b9a9ed0f8eeb |
children |
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/* * Copyright (c) 2011, 2012, 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. * */ package sun.jvm.hotspot.oops; import java.io.*; import java.util.*; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.runtime.*; import sun.jvm.hotspot.types.*; import sun.jvm.hotspot.utilities.*; // JumpData // // A JumpData is used to access profiling information for a direct // branch. It is a counter, used for counting the number of branches, // plus a data displacement, used for realigning the data pointer to // the corresponding target bci. public class JumpData extends ProfileData { static final int takenOffSet = 0; static final int displacementOffSet = 1; static final int jumpCellCount = 2; public JumpData(DataLayout layout) { super(layout); //assert(layout.tag() == DataLayout.jumpDataTag || // layout.tag() == DataLayout.branchDataTag, "wrong type"); } static int staticCellCount() { return jumpCellCount; } public int cellCount() { return staticCellCount(); } // Direct accessor int taken() { return uintAt(takenOffSet); } int displacement() { return intAt(displacementOffSet); } // Code generation support static int takenOffset() { return cellOffset(takenOffSet); } static int displacementOffset() { return cellOffset(displacementOffSet); } public void printDataOn(PrintStream st) { printShared(st, "JumpData"); st.println("taken(" + taken() + ") displacement(" + displacement() + ")"); } }