Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/classfile/symbolTable.cpp
src/share/vm/classfile/symbolTable.cpp
- changeset 5144
- a5d6f0c3585f
- parent 4987
- f258c5828eb8
- child 5195
- 95c00927be11
equal
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| 5143:386b77bf6427 | 5144:a5d6f0c3585f |
|---|---|
| 33 #include "memory/gcLocker.inline.hpp" | 33 #include "memory/gcLocker.inline.hpp" |
| 34 #include "oops/oop.inline.hpp" | 34 #include "oops/oop.inline.hpp" |
| 35 #include "oops/oop.inline2.hpp" | 35 #include "oops/oop.inline2.hpp" |
| 36 #include "runtime/mutexLocker.hpp" | 36 #include "runtime/mutexLocker.hpp" |
| 37 #include "utilities/hashtable.inline.hpp" | 37 #include "utilities/hashtable.inline.hpp" |
| 38 #include "utilities/numberSeq.hpp" | |
| 39 | 38 |
| 40 // -------------------------------------------------------------------------- | 39 // -------------------------------------------------------------------------- |
| 41 | 40 |
| 42 SymbolTable* SymbolTable::_the_table = NULL; | 41 SymbolTable* SymbolTable::_the_table = NULL; |
| 43 // Static arena for symbols that are not deallocated | 42 // Static arena for symbols that are not deallocated |
| 449 } | 448 } |
| 450 } | 449 } |
| 451 } | 450 } |
| 452 | 451 |
| 453 void SymbolTable::dump(outputStream* st) { | 452 void SymbolTable::dump(outputStream* st) { |
| 454 NumberSeq summary; | 453 the_table()->dump_table(st, "SymbolTable"); |
| 455 for (int i = 0; i < the_table()->table_size(); ++i) { | |
| 456 int count = 0; | |
| 457 for (HashtableEntry<Symbol*, mtSymbol>* e = the_table()->bucket(i); | |
| 458 e != NULL; e = e->next()) { | |
| 459 count++; | |
| 460 } | |
| 461 summary.add((double)count); | |
| 462 } | |
| 463 st->print_cr("SymbolTable statistics:"); | |
| 464 st->print_cr("Number of buckets : %7d", summary.num()); | |
| 465 st->print_cr("Average bucket size : %7.0f", summary.avg()); | |
| 466 st->print_cr("Variance of bucket size : %7.0f", summary.variance()); | |
| 467 st->print_cr("Std. dev. of bucket size: %7.0f", summary.sd()); | |
| 468 st->print_cr("Maximum bucket size : %7.0f", summary.maximum()); | |
| 469 } | 454 } |
| 470 | 455 |
| 471 | 456 |
| 472 //--------------------------------------------------------------------------- | 457 //--------------------------------------------------------------------------- |
| 473 // Non-product code | 458 // Non-product code |
| 812 } | 797 } |
| 813 } | 798 } |
| 814 } | 799 } |
| 815 | 800 |
| 816 void StringTable::dump(outputStream* st) { | 801 void StringTable::dump(outputStream* st) { |
| 817 NumberSeq summary; | 802 the_table()->dump_table(st, "StringTable"); |
| 818 for (int i = 0; i < the_table()->table_size(); ++i) { | |
| 819 HashtableEntry<oop, mtSymbol>* p = the_table()->bucket(i); | |
| 820 int count = 0; | |
| 821 for ( ; p != NULL; p = p->next()) { | |
| 822 count++; | |
| 823 } | |
| 824 summary.add((double)count); | |
| 825 } | |
| 826 st->print_cr("StringTable statistics:"); | |
| 827 st->print_cr("Number of buckets : %7d", summary.num()); | |
| 828 st->print_cr("Average bucket size : %7.0f", summary.avg()); | |
| 829 st->print_cr("Variance of bucket size : %7.0f", summary.variance()); | |
| 830 st->print_cr("Std. dev. of bucket size: %7.0f", summary.sd()); | |
| 831 st->print_cr("Maximum bucket size : %7.0f", summary.maximum()); | |
| 832 } | 803 } |
| 833 | 804 |
| 834 | 805 |
| 835 // Create a new table and using alternate hash code, populate the new table | 806 // Create a new table and using alternate hash code, populate the new table |
| 836 // with the existing strings. Set flag to use the alternate hash code afterwards. | 807 // with the existing strings. Set flag to use the alternate hash code afterwards. |
