Mercurial > hg > truffle
diff src/share/vm/oops/constantPool.hpp @ 7956:16fb9f942703
6479360: PrintClassHistogram improvements
Summary: jcmd <pid> GC.class_stats (UnlockDiagnosticVMOptions)
Reviewed-by: coleenp, hseigel, sla, acorn
Contributed-by: ioi.lam@oracle.com
| author | acorn |
|---|---|
| date | Fri, 25 Jan 2013 15:06:18 -0500 |
| parents | 5daaddd917a1 |
| children | 0d26ce8e9251 |
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--- a/src/share/vm/oops/constantPool.hpp Thu Jan 24 23:30:45 2013 -0800 +++ b/src/share/vm/oops/constantPool.hpp Fri Jan 25 15:06:18 2013 -0500 @@ -80,6 +80,7 @@ } }; +class KlassSizeStats; class ConstantPool : public Metadata { friend class VMStructs; friend class BytecodeInterpreter; // Directly extracts an oop in the pool for fast instanceof/checkcast @@ -684,9 +685,13 @@ return 0 <= index && index < length(); } + // Sizing (in words) static int header_size() { return sizeof(ConstantPool)/HeapWordSize; } static int size(int length) { return align_object_size(header_size() + length); } int size() const { return size(length()); } +#if INCLUDE_SERVICES + void collect_statistics(KlassSizeStats *sz) const; +#endif friend class ClassFileParser; friend class SystemDictionary;