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8014262: PrintStringTableStatistics should include more footprint info

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Added info for the string/symbol objects and the hash entries

Reviewed-by: coleenp, rbackman
This commit is contained in:
Ioi Lam 2013-05-18 20:41:01 -07:00
parent 4410135e9e
commit f9ae3b46de
3 changed files with 67 additions and 31 deletions
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13
hotspot/src/share/vm/utilities/hashtable.hpp
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@ -282,6 +282,19 @@ protected:
static bool use_alternate_hashcode() { return _seed != 0; }
static jint seed() { return _seed; }
static int literal_size(Symbol *symbol);
static int literal_size(oop oop);
// The following two are currently not used, but are needed anyway because some
// C++ compilers (MacOS and Solaris) force the instantiation of
// Hashtable<ConstantPool*, mtClass>::dump_table() even though we never call this function
// in the VM code.
static int literal_size(ConstantPool *cp) {Unimplemented(); return 0;}
static int literal_size(Klass *k) {Unimplemented(); return 0;}
public:
void dump_table(outputStream* st, const char *table_name);
private:
static jint _seed;
};