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comparison src/share/vm/gc_implementation/g1/concurrentMark.cpp @ 12080:5888334c9c24

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7145569: G1: optimize nmethods scanning Summary: Add a list of nmethods to the RSet for a region that contain references into the region. Skip scanning the code cache during root scanning and scan the nmethod lists during RSet scanning instead. Reviewed-by: tschatzl, brutisso, mgerdin, twisti, kvn
author johnc
date Thu, 15 Aug 2013 10:52:18 +0200
parents f2110083203d
children ff218fdb30ba
comparison
equal deleted inserted replaced
12033:bd902affe102 12080:5888334c9c24
4527 : _out(out), 4527 : _out(out),
4528 _total_used_bytes(0), _total_capacity_bytes(0), 4528 _total_used_bytes(0), _total_capacity_bytes(0),
4529 _total_prev_live_bytes(0), _total_next_live_bytes(0), 4529 _total_prev_live_bytes(0), _total_next_live_bytes(0),
4530 _hum_used_bytes(0), _hum_capacity_bytes(0), 4530 _hum_used_bytes(0), _hum_capacity_bytes(0),
4531 _hum_prev_live_bytes(0), _hum_next_live_bytes(0), 4531 _hum_prev_live_bytes(0), _hum_next_live_bytes(0),
4532 _total_remset_bytes(0) { 4532 _total_remset_bytes(0), _total_strong_code_roots_bytes(0) {
4533 G1CollectedHeap* g1h = G1CollectedHeap::heap(); 4533 G1CollectedHeap* g1h = G1CollectedHeap::heap();
4534 MemRegion g1_committed = g1h->g1_committed(); 4534 MemRegion g1_committed = g1h->g1_committed();
4535 MemRegion g1_reserved = g1h->g1_reserved(); 4535 MemRegion g1_reserved = g1h->g1_reserved();
4536 double now = os::elapsedTime(); 4536 double now = os::elapsedTime();
4537 4537
4551 G1PPRL_ADDR_BASE_H_FORMAT 4551 G1PPRL_ADDR_BASE_H_FORMAT
4552 G1PPRL_BYTE_H_FORMAT 4552 G1PPRL_BYTE_H_FORMAT
4553 G1PPRL_BYTE_H_FORMAT 4553 G1PPRL_BYTE_H_FORMAT
4554 G1PPRL_BYTE_H_FORMAT 4554 G1PPRL_BYTE_H_FORMAT
4555 G1PPRL_DOUBLE_H_FORMAT 4555 G1PPRL_DOUBLE_H_FORMAT
4556 G1PPRL_BYTE_H_FORMAT
4556 G1PPRL_BYTE_H_FORMAT, 4557 G1PPRL_BYTE_H_FORMAT,
4557 "type", "address-range", 4558 "type", "address-range",
4558 "used", "prev-live", "next-live", "gc-eff", "remset"); 4559 "used", "prev-live", "next-live", "gc-eff",
4560 "remset", "code-roots");
4559 _out->print_cr(G1PPRL_LINE_PREFIX 4561 _out->print_cr(G1PPRL_LINE_PREFIX
4560 G1PPRL_TYPE_H_FORMAT 4562 G1PPRL_TYPE_H_FORMAT
4561 G1PPRL_ADDR_BASE_H_FORMAT 4563 G1PPRL_ADDR_BASE_H_FORMAT
4562 G1PPRL_BYTE_H_FORMAT 4564 G1PPRL_BYTE_H_FORMAT
4563 G1PPRL_BYTE_H_FORMAT 4565 G1PPRL_BYTE_H_FORMAT
4564 G1PPRL_BYTE_H_FORMAT 4566 G1PPRL_BYTE_H_FORMAT
4565 G1PPRL_DOUBLE_H_FORMAT 4567 G1PPRL_DOUBLE_H_FORMAT
4568 G1PPRL_BYTE_H_FORMAT
4566 G1PPRL_BYTE_H_FORMAT, 4569 G1PPRL_BYTE_H_FORMAT,
4567 "", "", 4570 "", "",
4568 "(bytes)", "(bytes)", "(bytes)", "(bytes/ms)", "(bytes)"); 4571 "(bytes)", "(bytes)", "(bytes)", "(bytes/ms)",
4572 "(bytes)", "(bytes)");
4569 } 4573 }
4570 4574
4571 // It takes as a parameter a reference to one of the _hum_* fields, it 4575 // It takes as a parameter a reference to one of the _hum_* fields, it
4572 // deduces the corresponding value for a region in a humongous region 4576 // deduces the corresponding value for a region in a humongous region
4573 // series (either the region size, or what's left if the _hum_* field 4577 // series (either the region size, or what's left if the _hum_* field
4606 size_t used_bytes = r->used(); 4610 size_t used_bytes = r->used();
4607 size_t prev_live_bytes = r->live_bytes(); 4611 size_t prev_live_bytes = r->live_bytes();
4608 size_t next_live_bytes = r->next_live_bytes(); 4612 size_t next_live_bytes = r->next_live_bytes();
4609 double gc_eff = r->gc_efficiency(); 4613 double gc_eff = r->gc_efficiency();
4610 size_t remset_bytes = r->rem_set()->mem_size(); 4614 size_t remset_bytes = r->rem_set()->mem_size();
4615 size_t strong_code_roots_bytes = r->rem_set()->strong_code_roots_mem_size();
4616
4611 if (r->used() == 0) { 4617 if (r->used() == 0) {
4612 type = "FREE"; 4618 type = "FREE";
4613 } else if (r->is_survivor()) { 4619 } else if (r->is_survivor()) {
4614 type = "SURV"; 4620 type = "SURV";
4615 } else if (r->is_young()) { 4621 } else if (r->is_young()) {
4640 _total_used_bytes += used_bytes; 4646 _total_used_bytes += used_bytes;
4641 _total_capacity_bytes += capacity_bytes; 4647 _total_capacity_bytes += capacity_bytes;
4642 _total_prev_live_bytes += prev_live_bytes; 4648 _total_prev_live_bytes += prev_live_bytes;
4643 _total_next_live_bytes += next_live_bytes; 4649 _total_next_live_bytes += next_live_bytes;
4644 _total_remset_bytes += remset_bytes; 4650 _total_remset_bytes += remset_bytes;
4651 _total_strong_code_roots_bytes += strong_code_roots_bytes;
4645 4652
4646 // Print a line for this particular region. 4653 // Print a line for this particular region.
4647 _out->print_cr(G1PPRL_LINE_PREFIX 4654 _out->print_cr(G1PPRL_LINE_PREFIX
4648 G1PPRL_TYPE_FORMAT 4655 G1PPRL_TYPE_FORMAT
4649 G1PPRL_ADDR_BASE_FORMAT 4656 G1PPRL_ADDR_BASE_FORMAT
4650 G1PPRL_BYTE_FORMAT 4657 G1PPRL_BYTE_FORMAT
4651 G1PPRL_BYTE_FORMAT 4658 G1PPRL_BYTE_FORMAT
4652 G1PPRL_BYTE_FORMAT 4659 G1PPRL_BYTE_FORMAT
4653 G1PPRL_DOUBLE_FORMAT 4660 G1PPRL_DOUBLE_FORMAT
4661 G1PPRL_BYTE_FORMAT
4654 G1PPRL_BYTE_FORMAT, 4662 G1PPRL_BYTE_FORMAT,
4655 type, bottom, end, 4663 type, bottom, end,
4656 used_bytes, prev_live_bytes, next_live_bytes, gc_eff , remset_bytes); 4664 used_bytes, prev_live_bytes, next_live_bytes, gc_eff,
4665 remset_bytes, strong_code_roots_bytes);
4657 4666
4658 return false; 4667 return false;
4659 } 4668 }
4660 4669
4661 G1PrintRegionLivenessInfoClosure::~G1PrintRegionLivenessInfoClosure() { 4670 G1PrintRegionLivenessInfoClosure::~G1PrintRegionLivenessInfoClosure() {
4667 " SUMMARY" 4676 " SUMMARY"
4668 G1PPRL_SUM_MB_FORMAT("capacity") 4677 G1PPRL_SUM_MB_FORMAT("capacity")
4669 G1PPRL_SUM_MB_PERC_FORMAT("used") 4678 G1PPRL_SUM_MB_PERC_FORMAT("used")
4670 G1PPRL_SUM_MB_PERC_FORMAT("prev-live") 4679 G1PPRL_SUM_MB_PERC_FORMAT("prev-live")
4671 G1PPRL_SUM_MB_PERC_FORMAT("next-live") 4680 G1PPRL_SUM_MB_PERC_FORMAT("next-live")
4672 G1PPRL_SUM_MB_FORMAT("remset"), 4681 G1PPRL_SUM_MB_FORMAT("remset")
4682 G1PPRL_SUM_MB_FORMAT("code-roots"),
4673 bytes_to_mb(_total_capacity_bytes), 4683 bytes_to_mb(_total_capacity_bytes),
4674 bytes_to_mb(_total_used_bytes), 4684 bytes_to_mb(_total_used_bytes),
4675 perc(_total_used_bytes, _total_capacity_bytes), 4685 perc(_total_used_bytes, _total_capacity_bytes),
4676 bytes_to_mb(_total_prev_live_bytes), 4686 bytes_to_mb(_total_prev_live_bytes),
4677 perc(_total_prev_live_bytes, _total_capacity_bytes), 4687 perc(_total_prev_live_bytes, _total_capacity_bytes),
4678 bytes_to_mb(_total_next_live_bytes), 4688 bytes_to_mb(_total_next_live_bytes),
4679 perc(_total_next_live_bytes, _total_capacity_bytes), 4689 perc(_total_next_live_bytes, _total_capacity_bytes),
4680 bytes_to_mb(_total_remset_bytes)); 4690 bytes_to_mb(_total_remset_bytes),
4691 bytes_to_mb(_total_strong_code_roots_bytes));
4681 _out->cr(); 4692 _out->cr();
4682 } 4693 }