author | thartmann |
Mon, 23 Feb 2015 08:48:19 +0100 | |
changeset 29306 | 6448e5033ebe |
parent 28349 | 1fcc39ead265 |
child 41533 | 64e1caddf380 |
permissions | -rw-r--r-- |
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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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package sun.hotspot.code; |
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import java.lang.management.ManagementFactory; |
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import java.lang.management.MemoryPoolMXBean; |
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import java.util.EnumSet; |
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import sun.hotspot.WhiteBox; |
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public enum BlobType { |
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// Execution level 1 and 4 (non-profiled) nmethods (including native nmethods) |
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MethodNonProfiled(0, "CodeHeap 'non-profiled nmethods'", "NonProfiledCodeHeapSize") { |
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@Override |
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public boolean allowTypeWhenOverflow(BlobType type) { |
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return super.allowTypeWhenOverflow(type) |
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|| type == BlobType.MethodProfiled; |
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} |
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}, |
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// Execution level 2 and 3 (profiled) nmethods |
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MethodProfiled(1, "CodeHeap 'profiled nmethods'", "ProfiledCodeHeapSize") { |
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@Override |
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public boolean allowTypeWhenOverflow(BlobType type) { |
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return super.allowTypeWhenOverflow(type) |
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|| type == BlobType.MethodNonProfiled; |
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} |
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}, |
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// Non-nmethods like Buffers, Adapters and Runtime Stubs |
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NonNMethod(2, "CodeHeap 'non-nmethods'", "NonNMethodCodeHeapSize") { |
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@Override |
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public boolean allowTypeWhenOverflow(BlobType type) { |
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return super.allowTypeWhenOverflow(type) |
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|| type == BlobType.MethodNonProfiled |
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|| type == BlobType.MethodProfiled; |
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} |
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}, |
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// All types (No code cache segmentation) |
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All(3, "CodeCache", "ReservedCodeCacheSize"); |
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public final int id; |
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public final String sizeOptionName; |
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public final String beanName; |
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private BlobType(int id, String beanName, String sizeOptionName) { |
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this.id = id; |
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this.beanName = beanName; |
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this.sizeOptionName = sizeOptionName; |
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} |
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public MemoryPoolMXBean getMemoryPool() { |
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for (MemoryPoolMXBean bean : ManagementFactory.getMemoryPoolMXBeans()) { |
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String name = bean.getName(); |
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if (beanName.equals(name)) { |
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return bean; |
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} |
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} |
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return null; |
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} |
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public boolean allowTypeWhenOverflow(BlobType type) { |
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return type == this; |
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} |
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public static EnumSet<BlobType> getAvailable() { |
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WhiteBox whiteBox = WhiteBox.getWhiteBox(); |
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if (!whiteBox.getBooleanVMFlag("SegmentedCodeCache")) { |
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// only All for non segmented world |
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return EnumSet.of(All); |
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} |
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if (System.getProperty("java.vm.info").startsWith("interpreted ")) { |
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// only NonNMethod for -Xint |
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return EnumSet.of(NonNMethod); |
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} |
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EnumSet<BlobType> result = EnumSet.complementOf(EnumSet.of(All)); |
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if (!whiteBox.getBooleanVMFlag("TieredCompilation") |
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|| whiteBox.getIntxVMFlag("TieredStopAtLevel") <= 1) { |
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// there is no MethodProfiled in non tiered world or pure C1 |
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result.remove(MethodProfiled); |
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} |
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return result; |
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} |
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public long getSize() { |
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return WhiteBox.getWhiteBox().getUintxVMFlag(sizeOptionName); |
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} |
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} |