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8184994: Add Dictionary size logging and jcmd

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Added dcmd for printing system dictionary like the stringtable and symboltable and making print functions go to outputstream rather than tty

Reviewed-by: shade, hseigel
This commit is contained in:
Coleen Phillimore 2017-08-02 10:52:50 -04:00
parent 366e6ac796
commit 17f23d1881
30 changed files with 349 additions and 254 deletions
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20
hotspot/src/share/vm/utilities/hashtable.hpp
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@ -226,14 +226,14 @@ protected:
// is mt-safe wrt. to other calls of this method.
void bulk_free_entries(BucketUnlinkContext* context);
public:
int table_size() { return _table_size; }
int table_size() const { return _table_size; }
void set_entry(int index, BasicHashtableEntry<F>* entry);
void add_entry(int index, BasicHashtableEntry<F>* entry);
void free_entry(BasicHashtableEntry<F>* entry);
int number_of_entries() { return _number_of_entries; }
int number_of_entries() const { return _number_of_entries; }
template <class T> void verify_table(const char* table_name) PRODUCT_RETURN;
};
@ -261,7 +261,9 @@ public:
return this->hash_to_index(compute_hash(name));
}
protected:
void print_table_statistics(outputStream* st, const char *table_name);
protected:
// Table entry management
HashtableEntry<T, F>* new_entry(unsigned int hashValue, T obj);
@ -306,18 +308,6 @@ template <class T, MEMFLAGS F> class RehashableHashtable : public Hashtable<T, F
static bool use_alternate_hashcode();
static juint 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;}
void dump_table(outputStream* st, const char *table_name);
private:
static juint _seed;
};