| /* |
| * Copyright (c) 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. |
| * |
| */ |
| |
| package sun.hotspot.code; |
| |
| import java.lang.management.ManagementFactory; |
| import java.lang.management.MemoryPoolMXBean; |
| import java.util.EnumSet; |
| |
| import sun.hotspot.WhiteBox; |
| |
| public enum BlobType { |
| // Execution level 1 and 4 (non-profiled) nmethods (including native nmethods) |
| MethodNonProfiled(0, "CodeHeap 'non-profiled nmethods'"), |
| // Execution level 2 and 3 (profiled) nmethods |
| MethodProfiled(1, "CodeHeap 'profiled nmethods'"), |
| // Non-nmethods like Buffers, Adapters and Runtime Stubs |
| NonNMethod(2, "CodeHeap 'non-nmethods'"), |
| // All types (No code cache segmentation) |
| All(3, "CodeCache"); |
| |
| public final int id; |
| private final String beanName; |
| |
| private BlobType(int id, String beanName) { |
| this.id = id; |
| this.beanName = beanName; |
| } |
| |
| public MemoryPoolMXBean getMemoryPool() { |
| for (MemoryPoolMXBean bean : ManagementFactory.getMemoryPoolMXBeans()) { |
| String name = bean.getName(); |
| if (beanName.equals(name)) { |
| return bean; |
| } |
| } |
| return null; |
| } |
| public static EnumSet<BlobType> getAvailable() { |
| WhiteBox whiteBox = WhiteBox.getWhiteBox(); |
| if (!whiteBox.getBooleanVMFlag("SegmentedCodeCache")) { |
| // only All for non segmented world |
| return EnumSet.of(All); |
| } |
| if (System.getProperty("java.vm.info").startsWith("interpreted ")) { |
| // only NonNMethod for -Xint |
| return EnumSet.of(NonNMethod); |
| } |
| |
| EnumSet<BlobType> result = EnumSet.complementOf(EnumSet.of(All)); |
| if (!whiteBox.getBooleanVMFlag("TieredCompilation") |
| || whiteBox.getIntxVMFlag("TieredStopAtLevel") <= 1) { |
| // there is no MethodProfiled in non tiered world or pure C1 |
| result.remove(MethodProfiled); |
| } |
| return result; |
| } |
| } |