archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-26 06:14:49 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8014262: PrintStringTableStatistics should include more footprint info

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

33
hotspot/src/share/vm/classfile/symbolTable.cpp
View file

@ -35,7 +35,6 @@
#include "oops/oop.inline2.hpp"
#include "runtime/mutexLocker.hpp"
#include "utilities/hashtable.inline.hpp"
#include "utilities/numberSeq.hpp"
// --------------------------------------------------------------------------
@ -451,21 +450,7 @@ void SymbolTable::verify() {
}
void SymbolTable::dump(outputStream* st) {
NumberSeq summary;
for (int i = 0; i < the_table()->table_size(); ++i) {
int count = 0;
for (HashtableEntry<Symbol*, mtSymbol>* e = the_table()->bucket(i);
e != NULL; e = e->next()) {
count++;
}
summary.add((double)count);
}
st->print_cr("SymbolTable statistics:");
st->print_cr("Number of buckets : %7d", summary.num());
st->print_cr("Average bucket size : %7.0f", summary.avg());
st->print_cr("Variance of bucket size : %7.0f", summary.variance());
st->print_cr("Std. dev. of bucket size: %7.0f", summary.sd());
st->print_cr("Maximum bucket size : %7.0f", summary.maximum());
the_table()->dump_table(st, "SymbolTable");
}
@ -814,21 +799,7 @@ void StringTable::verify() {
}
void StringTable::dump(outputStream* st) {
NumberSeq summary;
for (int i = 0; i < the_table()->table_size(); ++i) {
HashtableEntry<oop, mtSymbol>* p = the_table()->bucket(i);
int count = 0;
for ( ; p != NULL; p = p->next()) {
count++;
}
summary.add((double)count);
}
st->print_cr("StringTable statistics:");
st->print_cr("Number of buckets : %7d", summary.num());
st->print_cr("Average bucket size : %7.0f", summary.avg());
st->print_cr("Variance of bucket size : %7.0f", summary.variance());
st->print_cr("Std. dev. of bucket size: %7.0f", summary.sd());
st->print_cr("Maximum bucket size : %7.0f", summary.maximum());
the_table()->dump_table(st, "StringTable");
}