void G1RemSetSummary::subtract_from(G1RemSetSummary* other) {
assert(other != NULL, "just checking");
assert(remset() == other->remset(), "just checking");
assert(_num_vtimes == other->_num_vtimes, "just checking");
_num_refined_cards = other->num_concurrent_refined_cards() - _num_refined_cards;
_num_processed_buf_mutator = other->num_processed_buf_mutator() - _num_processed_buf_mutator;
_num_processed_buf_rs_threads = other->num_processed_buf_rs_threads() - _num_processed_buf_rs_threads;
_num_coarsenings = other->num_coarsenings() - _num_coarsenings;
for (uint i = 0; i < _num_vtimes; i++) {
set_rs_thread_vtime(i, other->rs_thread_vtime(i) - rs_thread_vtime(i));
}
_sampling_thread_vtime = other->sampling_thread_vtime() - _sampling_thread_vtime;
}
void G1RemSetSummary::print_on(outputStream* out) {
out->print_cr("\n Concurrent RS processed "SIZE_FORMAT" cards",
num_concurrent_refined_cards());
out->print_cr(" Of %d completed buffers:", num_processed_buf_total());
out->print_cr(" %8d (%5.1f%%) by concurrent RS threads.",
num_processed_buf_total(),
calc_percentage(num_processed_buf_rs_threads(), num_processed_buf_total()));
out->print_cr(" %8d (%5.1f%%) by mutator threads.",
num_processed_buf_mutator(),
calc_percentage(num_processed_buf_mutator(), num_processed_buf_total()));
out->print_cr(" Concurrent RS threads times (s)");
out->print(" ");
for (uint i = 0; i < _num_vtimes; i++) {
out->print(" %5.2f", rs_thread_vtime(i));
}
out->cr();
out->print_cr(" Concurrent sampling threads times (s)");
out->print_cr(" %5.2f", sampling_thread_vtime());
HRRSStatsIter blk;
G1CollectedHeap::heap()->heap_region_iterate(&blk);
out->print_cr(" Total heap region rem set sizes = "SIZE_FORMAT"K."
" Max = "SIZE_FORMAT"K.",
blk.total_mem_sz()/K, blk.max_mem_sz()/K);
out->print_cr(" Static structures = "SIZE_FORMAT"K,"
" free_lists = "SIZE_FORMAT"K.",
HeapRegionRemSet::static_mem_size() / K,
HeapRegionRemSet::fl_mem_size() / K);
out->print_cr(" "SIZE_FORMAT" occupied cards represented.",
blk.occupied());
HeapRegion* max_mem_sz_region = blk.max_mem_sz_region();
HeapRegionRemSet* rem_set = max_mem_sz_region->rem_set();
out->print_cr(" Max size region = "HR_FORMAT", "
"size = "SIZE_FORMAT "K, occupied = "SIZE_FORMAT"K.",
HR_FORMAT_PARAMS(max_mem_sz_region),
(rem_set->mem_size() + K - 1)/K,
(rem_set->occupied() + K - 1)/K);
out->print_cr(" Did %d coarsenings.", num_coarsenings());
}