src/share/vm/opto/indexSet.cpp
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*** old/src/share/vm/opto/indexSet.cpp Fri Feb 4 08:47:24 2011
--- new/src/share/vm/opto/indexSet.cpp Fri Feb 4 08:47:24 2011
*** 37,52 ****
--- 37,52 ----
IndexSet::BitBlock IndexSet::_empty_block = IndexSet::BitBlock();
#ifdef ASSERT
// Initialize statistics counters
! uint IndexSet::_alloc_new = 0;
! uint IndexSet::_alloc_total = 0;
! julong IndexSet::_alloc_new = 0;
! julong IndexSet::_alloc_total = 0;
! julong IndexSet::_total_bits = 0;
! julong IndexSet::_total_used_blocks = 0;
! julong IndexSet::_total_unused_blocks = 0;
// Per set, or all sets operation tracing
int IndexSet::_serial_count = 1;
#endif
*** 139,149 ****
--- 139,149 ----
compile->set_indexSet_free_block_list(free);
#ifdef ASSERT
if (CollectIndexSetStatistics) {
! _alloc_new += bitblock_alloc_chunk_size;
! inc_stat_counter(&_alloc_new, bitblock_alloc_chunk_size);
}
#endif
}
*** 152,162 ****
--- 152,162 ----
// prime it.
IndexSet::BitBlock *IndexSet::alloc_block() {
#ifdef ASSERT
if (CollectIndexSetStatistics) {
! _alloc_total++;
! inc_stat_counter(&_alloc_total, 1);
}
#endif
Compile *compile = Compile::current();
BitBlock* free_list = (BitBlock*)compile->indexSet_free_block_list();
if (free_list == NULL) {
*** 389,424 ****
--- 389,424 ----
#ifdef ASSERT
//---------------------------- IndexSet::tally_iteration_statistics() -----------------------------
// Update block/bit counts to reflect that this set has been iterated over.
void IndexSet::tally_iteration_statistics() const {
! _total_bits += count();
! inc_stat_counter(&_total_bits, count());
for (uint i = 0; i < _max_blocks; i++) {
if (_blocks[i] != &_empty_block) {
! _total_used_blocks++;
! inc_stat_counter(&_total_used_blocks, 1);
} else {
! _total_unused_blocks++;
! inc_stat_counter(&_total_unused_blocks, 1);
}
}
}
//---------------------------- IndexSet::print_statistics() -----------------------------
// Print statistics about IndexSet usage.
void IndexSet::print_statistics() {
! julong total_blocks = _total_used_blocks + _total_unused_blocks;
tty->print_cr ("Accumulated IndexSet usage statistics:");
tty->print_cr ("--------------------------------------");
tty->print_cr (" Iteration:");
! tty->print_cr (" blocks visited: %d", total_blocks);
! tty->print_cr (" blocks empty: %4.2f%%", 100.0*_total_unused_blocks/total_blocks);
- tty->print_cr (" bit density (bits/used blocks): %4.2f%%", (double)_total_bits/_total_used_blocks);
- tty->print_cr (" bit density (bits/all blocks): %4.2f%%", (double)_total_bits/total_blocks);
! tty->print_cr (" blocks visited: " UINT64_FORMAT, total_blocks);
! tty->print_cr (" blocks empty: %4.2f%%", 100.0*(double)_total_unused_blocks/total_blocks);
! tty->print_cr (" bit density (bits/used blocks): %4.2f", (double)_total_bits/_total_used_blocks);
! tty->print_cr (" bit density (bits/all blocks): %4.2f", (double)_total_bits/total_blocks);
tty->print_cr (" Allocation:");
! tty->print_cr (" blocks allocated: %d", _alloc_new);
! tty->print_cr (" blocks used/reused: %d", _alloc_total);
! tty->print_cr (" blocks allocated: " UINT64_FORMAT, _alloc_new);
! tty->print_cr (" blocks used/reused: " UINT64_FORMAT, _alloc_total);
}
//---------------------------- IndexSet::verify() -----------------------------
// Expensive test of IndexSet sanity. Ensure that the count agrees with the
// number of bits in the blocks. Make sure the iterator is seeing all elements
src/share/vm/opto/indexSet.cpp
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