Mercurial > hg > graal-compiler

comparison agent/src/share/classes/sun/jvm/hotspot/oops/Method.java @ 10105:aeaca88565e6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
8010862: The Method counter fields used for profiling can be allocated lazily. Summary: Allocate the method's profiling related metadata until they are needed. Reviewed-by: coleenp, roland
author jiangli
date Tue, 09 Apr 2013 17:17:41 -0400
parents fd74228fd5ca
children cbfe859bd244
comparison
equal deleted inserted replaced
9055:dcdeb150988c 10105:aeaca88565e6
1 /* 1 /*
2 * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
47 47
48 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { 48 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
49 Type type = db.lookupType("Method"); 49 Type type = db.lookupType("Method");
50 constMethod = type.getAddressField("_constMethod"); 50 constMethod = type.getAddressField("_constMethod");
51 methodData = type.getAddressField("_method_data"); 51 methodData = type.getAddressField("_method_data");
52 methodCounters = type.getAddressField("_method_counters");
52 methodSize = new CIntField(type.getCIntegerField("_method_size"), 0); 53 methodSize = new CIntField(type.getCIntegerField("_method_size"), 0);
53 accessFlags = new CIntField(type.getCIntegerField("_access_flags"), 0); 54 accessFlags = new CIntField(type.getCIntegerField("_access_flags"), 0);
54 code = type.getAddressField("_code"); 55 code = type.getAddressField("_code");
55 vtableIndex = new CIntField(type.getCIntegerField("_vtable_index"), 0); 56 vtableIndex = new CIntField(type.getCIntegerField("_vtable_index"), 0);
56 if (!VM.getVM().isCore()) {
57 invocationCounter = new CIntField(type.getCIntegerField("_invocation_counter"), 0);
58 backedgeCounter = new CIntField(type.getCIntegerField("_backedge_counter"), 0);
59 }
60 bytecodeOffset = type.getSize(); 57 bytecodeOffset = type.getSize();
61
62 interpreterThrowoutCountField = new CIntField(type.getCIntegerField("_interpreter_throwout_count"), 0);
63 interpreterInvocationCountField = new CIntField(type.getCIntegerField("_interpreter_invocation_count"), 0);
64 58
65 /* 59 /*
66 interpreterEntry = type.getAddressField("_interpreter_entry"); 60 interpreterEntry = type.getAddressField("_interpreter_entry");
67 fromCompiledCodeEntryPoint = type.getAddressField("_from_compiled_code_entry_point"); 61 fromCompiledCodeEntryPoint = type.getAddressField("_from_compiled_code_entry_point");
68 62
78 public boolean isMethod() { return true; } 72 public boolean isMethod() { return true; }
79 73
80 // Fields 74 // Fields
81 private static AddressField constMethod; 75 private static AddressField constMethod;
82 private static AddressField methodData; 76 private static AddressField methodData;
77 private static AddressField methodCounters;
83 private static CIntField methodSize; 78 private static CIntField methodSize;
84 private static CIntField accessFlags; 79 private static CIntField accessFlags;
85 private static CIntField vtableIndex; 80 private static CIntField vtableIndex;
86 private static CIntField invocationCounter;
87 private static CIntField backedgeCounter;
88 private static long bytecodeOffset; 81 private static long bytecodeOffset;
89 82
90 private static AddressField code; 83 private static AddressField code;
91
92 private static CIntField interpreterThrowoutCountField;
93 private static CIntField interpreterInvocationCountField;
94 84
95 // constant method names - <init>, <clinit> 85 // constant method names - <init>, <clinit>
96 // Initialized lazily to avoid initialization ordering dependencies between Method and SymbolTable 86 // Initialized lazily to avoid initialization ordering dependencies between Method and SymbolTable
97 private static Symbol objectInitializerName; 87 private static Symbol objectInitializerName;
98 private static Symbol classInitializerName; 88 private static Symbol classInitializerName;
124 return getConstMethod().getConstants(); 114 return getConstMethod().getConstants();
125 } 115 }
126 public MethodData getMethodData() { 116 public MethodData getMethodData() {
127 Address addr = methodData.getValue(getAddress()); 117 Address addr = methodData.getValue(getAddress());
128 return (MethodData) VMObjectFactory.newObject(MethodData.class, addr); 118 return (MethodData) VMObjectFactory.newObject(MethodData.class, addr);
119 }
120 public MethodCounters getMethodCounters() {
121 Address addr = methodCounters.getValue(getAddress());
122 return (MethodCounters) VMObjectFactory.newObject(MethodCounters.class, addr);
129 } 123 }
130 /** WARNING: this is in words, not useful in this system; use getObjectSize() instead */ 124 /** WARNING: this is in words, not useful in this system; use getObjectSize() instead */
131 public long getMethodSize() { return methodSize.getValue(this); } 125 public long getMethodSize() { return methodSize.getValue(this); }
132 public long getMaxStack() { return getConstMethod().getMaxStack(); } 126 public long getMaxStack() { return getConstMethod().getMaxStack(); }
133 public long getMaxLocals() { return getConstMethod().getMaxLocals(); } 127 public long getMaxLocals() { return getConstMethod().getMaxLocals(); }
137 public long getGenericSignatureIndex() { return getConstMethod().getGenericSignatureIndex(); } 131 public long getGenericSignatureIndex() { return getConstMethod().getGenericSignatureIndex(); }
138 public long getAccessFlags() { return accessFlags.getValue(this); } 132 public long getAccessFlags() { return accessFlags.getValue(this); }
139 public long getCodeSize() { return getConstMethod().getCodeSize(); } 133 public long getCodeSize() { return getConstMethod().getCodeSize(); }
140 public long getVtableIndex() { return vtableIndex.getValue(this); } 134 public long getVtableIndex() { return vtableIndex.getValue(this); }
141 public long getInvocationCounter() { 135 public long getInvocationCounter() {
142 if (Assert.ASSERTS_ENABLED) { 136 return getMethodCounters().getInvocationCounter();
143 Assert.that(!VM.getVM().isCore(), "must not be used in core build");
144 }
145 return invocationCounter.getValue(this);
146 } 137 }
147 public long getBackedgeCounter() { 138 public long getBackedgeCounter() {
148 if (Assert.ASSERTS_ENABLED) { 139 return getMethodCounters().getBackedgeCounter();
149 Assert.that(!VM.getVM().isCore(), "must not be used in core build");
150 }
151 return backedgeCounter.getValue(this);
152 } 140 }
153 141
154 // get associated compiled native method, if available, else return null. 142 // get associated compiled native method, if available, else return null.
155 public NMethod getNativeMethod() { 143 public NMethod getNativeMethod() {
156 Address addr = code.getValue(getAddress()); 144 Address addr = code.getValue(getAddress());
367 interpreterThrowoutCount() + " " + 355 interpreterThrowoutCount() + " " +
368 code_size); 356 code_size);
369 } 357 }
370 358
371 public int interpreterThrowoutCount() { 359 public int interpreterThrowoutCount() {
372 return (int) interpreterThrowoutCountField.getValue(this); 360 return getMethodCounters().interpreterThrowoutCount();
373 } 361 }
374 362
375 public int interpreterInvocationCount() { 363 public int interpreterInvocationCount() {
376 return (int) interpreterInvocationCountField.getValue(this); 364 return getMethodCounters().interpreterInvocationCount();
377 } 365 }
378 } 366 }