hotspot/agent/src/share/classes/sun/jvm/hotspot/tools/PermStat.java
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rev 611 : Merge
@@ -1,7 +1,7 @@
/*
- * Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved.
+ * Copyright 2003-2008 Sun Microsystems, Inc. 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.
@@ -264,48 +264,54 @@
out.print('\t');
out.print(" N/A ");
out.println();
}
+ private static long objectSize(Oop oop) {
+ return oop == null ? 0L : oop.getObjectSize();
+ }
+
+ // Don't count the shared empty arrays
+ private static long arraySize(Array arr) {
+ return arr.getLength() != 0L ? arr.getObjectSize() : 0L;
+ }
+
private long computeSize(InstanceKlass k) {
long size = 0L;
- // InstanceKlass object size
+ // the InstanceKlass object itself
size += k.getObjectSize();
- // add ConstantPool size
- size += k.getConstants().getObjectSize();
+ // Constant pool
+ ConstantPool cp = k.getConstants();
+ size += cp.getObjectSize();
+ size += objectSize(cp.getCache());
+ size += objectSize(cp.getTags());
+
+ // Interfaces
+ size += arraySize(k.getLocalInterfaces());
+ size += arraySize(k.getTransitiveInterfaces());
- // add ConstantPoolCache, if any
- ConstantPoolCache cpCache = k.getConstants().getCache();
- if (cpCache != null) {
- size += cpCache.getObjectSize();
- }
+ // Inner classes
+ size += objectSize(k.getInnerClasses());
- // add interfaces size
- ObjArray interfaces = k.getLocalInterfaces();
- size += (interfaces.getLength() != 0L)? interfaces.getObjectSize() : 0L;
- ObjArray transitiveInterfaces = k.getTransitiveInterfaces();
- size += (transitiveInterfaces.getLength() != 0L)? transitiveInterfaces.getObjectSize() : 0L;
+ // Fields
+ size += objectSize(k.getFields());
- // add inner classes size
- TypeArray innerClasses = k.getInnerClasses();
- size += innerClasses.getObjectSize();
-
- // add fields size
- size += k.getFields().getObjectSize();
-
- // add methods size
+ // Methods
ObjArray methods = k.getMethods();
- size += (methods.getLength() != 0L)? methods.getObjectSize() : 0L;
- TypeArray methodOrdering = k.getMethodOrdering();
- size += (methodOrdering.getLength() != 0L)? methodOrdering.getObjectSize() : 0;
-
- // add each method's size
- int numMethods = (int) methods.getLength();
- for (int i = 0; i < numMethods; i++) {
+ int nmethods = (int) methods.getLength();
+ if (nmethods != 0L) {
+ size += methods.getObjectSize();
+ for (int i = 0; i < nmethods; ++i) {
Method m = (Method) methods.getObjAt(i);
size += m.getObjectSize();
+ size += objectSize(m.getConstMethod());
}
+ }
+
+ // MethodOrdering - an int array that records the original
+ // ordering of methods in the class file
+ size += arraySize(k.getMethodOrdering());
return size;
}
}