Mercurial > hg > truffle
annotate test/testlibrary/whitebox/sun/hotspot/WhiteBox.java @ 20361:ac12996df59b
8044140: Create NMT (Native Memory Tracking) tests for NMT2
Summary: Create new/modify existing tests for NMT2, which is an internal redesign to address scalability issues in the first implementation.
Reviewed-by: ctornqvi, zgu
Contributed-by: George Triantafillou <george.triantafillou@oracle.com>
author | zgu |
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date | Wed, 27 Aug 2014 08:35:03 -0400 |
parents | 833b0f92429a |
children | f433f37645e5 |
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5915 | 1 /* |
17817 | 2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved. |
5915 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 * | |
23 */ | |
24 | |
25 package sun.hotspot; | |
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26 |
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27 import java.lang.reflect.Executable; |
5915 | 28 import java.security.BasicPermission; |
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29 import sun.hotspot.parser.DiagnosticCommand; |
5915 | 30 |
31 public class WhiteBox { | |
32 | |
33 @SuppressWarnings("serial") | |
34 public static class WhiteBoxPermission extends BasicPermission { | |
35 public WhiteBoxPermission(String s) { | |
36 super(s); | |
37 } | |
38 } | |
39 | |
40 private WhiteBox() {} | |
41 private static final WhiteBox instance = new WhiteBox(); | |
42 private static native void registerNatives(); | |
43 | |
44 /** | |
45 * Returns the singleton WhiteBox instance. | |
46 * | |
47 * The returned WhiteBox object should be carefully guarded | |
48 * by the caller, since it can be used to read and write data | |
49 * at arbitrary memory addresses. It must never be passed to | |
50 * untrusted code. | |
51 */ | |
52 public synchronized static WhiteBox getWhiteBox() { | |
53 SecurityManager sm = System.getSecurityManager(); | |
54 if (sm != null) { | |
55 sm.checkPermission(new WhiteBoxPermission("getInstance")); | |
56 } | |
57 return instance; | |
58 } | |
59 | |
60 static { | |
61 registerNatives(); | |
62 } | |
63 | |
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64 // Get the maximum heap size supporting COOPs |
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65 public native long getCompressedOopsMaxHeapSize(); |
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66 // Arguments |
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67 public native void printHeapSizes(); |
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68 |
5915 | 69 // Memory |
70 public native long getObjectAddress(Object o); | |
71 public native int getHeapOopSize(); | |
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72 public native boolean isObjectInOldGen(Object o); |
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73 public native long getObjectSize(Object o); |
5915 | 74 |
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75 // Runtime |
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76 // Make sure class name is in the correct format |
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77 public boolean isClassAlive(String name) { |
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78 return isClassAlive0(name.replace('.', '/')); |
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79 } |
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80 private native boolean isClassAlive0(String name); |
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81 |
5915 | 82 // G1 |
83 public native boolean g1InConcurrentMark(); | |
84 public native boolean g1IsHumongous(Object o); | |
85 public native long g1NumFreeRegions(); | |
86 public native int g1RegionSize(); | |
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87 public native Object[] parseCommandLine(String commandline, DiagnosticCommand[] args); |
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88 |
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89 // NMT |
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90 public native long NMTMalloc(long size); |
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91 public native void NMTFree(long mem); |
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92 public native long NMTReserveMemory(long size); |
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93 public native void NMTCommitMemory(long addr, long size); |
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94 public native void NMTUncommitMemory(long addr, long size); |
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95 public native void NMTReleaseMemory(long addr, long size); |
20360 | 96 public native void NMTOverflowHashBucket(long num); |
97 public native long NMTMallocWithPseudoStack(long size, int index); | |
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98 public native boolean NMTIsDetailSupported(); |
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99 |
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100 // Compiler |
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101 public native void deoptimizeAll(); |
12073 | 102 public boolean isMethodCompiled(Executable method) { |
103 return isMethodCompiled(method, false /*not osr*/); | |
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104 } |
12073 | 105 public native boolean isMethodCompiled(Executable method, boolean isOsr); |
106 public boolean isMethodCompilable(Executable method) { | |
107 return isMethodCompilable(method, -1 /*any*/); | |
108 } | |
109 public boolean isMethodCompilable(Executable method, int compLevel) { | |
110 return isMethodCompilable(method, compLevel, false /*not osr*/); | |
111 } | |
112 public native boolean isMethodCompilable(Executable method, int compLevel, boolean isOsr); | |
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113 public native boolean isMethodQueuedForCompilation(Executable method); |
12073 | 114 public int deoptimizeMethod(Executable method) { |
115 return deoptimizeMethod(method, false /*not osr*/); | |
116 } | |
117 public native int deoptimizeMethod(Executable method, boolean isOsr); | |
118 public void makeMethodNotCompilable(Executable method) { | |
119 makeMethodNotCompilable(method, -1 /*any*/); | |
120 } | |
121 public void makeMethodNotCompilable(Executable method, int compLevel) { | |
122 makeMethodNotCompilable(method, compLevel, false /*not osr*/); | |
123 } | |
124 public native void makeMethodNotCompilable(Executable method, int compLevel, boolean isOsr); | |
125 public int getMethodCompilationLevel(Executable method) { | |
126 return getMethodCompilationLevel(method, false /*not ost*/); | |
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127 } |
12073 | 128 public native int getMethodCompilationLevel(Executable method, boolean isOsr); |
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129 public native boolean testSetDontInlineMethod(Executable method, boolean value); |
12073 | 130 public int getCompileQueuesSize() { |
131 return getCompileQueueSize(-1 /*any*/); | |
132 } | |
133 public native int getCompileQueueSize(int compLevel); | |
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134 public native boolean testSetForceInlineMethod(Executable method, boolean value); |
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135 public boolean enqueueMethodForCompilation(Executable method, int compLevel) { |
12073 | 136 return enqueueMethodForCompilation(method, compLevel, -1 /*InvocationEntryBci*/); |
137 } | |
138 public native boolean enqueueMethodForCompilation(Executable method, int compLevel, int entry_bci); | |
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139 public native void clearMethodState(Executable method); |
12073 | 140 public native int getMethodEntryBci(Executable method); |
17817 | 141 public native Object[] getNMethod(Executable method, boolean isOsr); |
8850 | 142 |
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143 // Intered strings |
8850 | 144 public native boolean isInStringTable(String str); |
145 | |
10157 | 146 // Memory |
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147 public native void readReservedMemory(); |
10157 | 148 |
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149 // force Young GC |
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150 public native void youngGC(); |
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151 |
8850 | 152 // force Full GC |
153 public native void fullGC(); | |
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154 |
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155 // Tests on ReservedSpace/VirtualSpace classes |
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156 public native int stressVirtualSpaceResize(long reservedSpaceSize, long magnitude, long iterations); |
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157 public native void runMemoryUnitTests(); |
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158 public native void readFromNoaccessArea(); |
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159 |
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160 // CPU features |
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161 public native String getCPUFeatures(); |
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162 |
5915 | 163 } |