4556 G1PrintRegionLivenessInfoClosure(outputStream* out, const char* phase_name)
4557 : _out(out),
4558 _total_used_bytes(0), _total_capacity_bytes(0),
4559 _total_prev_live_bytes(0), _total_next_live_bytes(0),
4560 _hum_used_bytes(0), _hum_capacity_bytes(0),
4561 _hum_prev_live_bytes(0), _hum_next_live_bytes(0) {
4562 G1CollectedHeap* g1h = G1CollectedHeap::heap();
4563 MemRegion g1_committed = g1h->g1_committed();
4564 MemRegion g1_reserved = g1h->g1_reserved();
4565 double now = os::elapsedTime();
4566
4567 // Print the header of the output.
4568 _out->cr();
4569 _out->print_cr(G1PPRL_LINE_PREFIX" PHASE %s @ %1.3f", phase_name, now);
4570 _out->print_cr(G1PPRL_LINE_PREFIX" HEAP"
4571 G1PPRL_SUM_ADDR_FORMAT("committed")
4572 G1PPRL_SUM_ADDR_FORMAT("reserved")
4573 G1PPRL_SUM_BYTE_FORMAT("region-size"),
4574 g1_committed.start(), g1_committed.end(),
4575 g1_reserved.start(), g1_reserved.end(),
4576 (size_t)HeapRegion::GrainBytes);
4577 _out->print_cr(G1PPRL_LINE_PREFIX);
4578 _out->print_cr(G1PPRL_LINE_PREFIX
4579 G1PPRL_TYPE_H_FORMAT
4580 G1PPRL_ADDR_BASE_H_FORMAT
4581 G1PPRL_BYTE_H_FORMAT
4582 G1PPRL_BYTE_H_FORMAT
4583 G1PPRL_BYTE_H_FORMAT
4584 G1PPRL_DOUBLE_H_FORMAT,
4585 "type", "address-range",
4586 "used", "prev-live", "next-live", "gc-eff");
4587 _out->print_cr(G1PPRL_LINE_PREFIX
4588 G1PPRL_TYPE_H_FORMAT
4589 G1PPRL_ADDR_BASE_H_FORMAT
4590 G1PPRL_BYTE_H_FORMAT
4591 G1PPRL_BYTE_H_FORMAT
4592 G1PPRL_BYTE_H_FORMAT
4593 G1PPRL_DOUBLE_H_FORMAT,
4594 "", "",
4595 "(bytes)", "(bytes)", "(bytes)", "(bytes/ms)");
4596 }
4597
4598 // It takes as a parameter a reference to one of the _hum_* fields, it
4599 // deduces the corresponding value for a region in a humongous region
4600 // series (either the region size, or what's left if the _hum_* field
4601 // is < the region size), and updates the _hum_* field accordingly.
4602 size_t G1PrintRegionLivenessInfoClosure::get_hum_bytes(size_t* hum_bytes) {
4603 size_t bytes = 0;
4604 // The > 0 check is to deal with the prev and next live bytes which
4605 // could be 0.
4606 if (*hum_bytes > 0) {
4607 bytes = MIN2((size_t) HeapRegion::GrainBytes, *hum_bytes);
4608 *hum_bytes -= bytes;
4609 }
4610 return bytes;
4611 }
4612
4613 // It deduces the values for a region in a humongous region series
4614 // from the _hum_* fields and updates those accordingly. It assumes
4615 // that that _hum_* fields have already been set up from the "starts
4616 // humongous" region and we visit the regions in address order.
4617 void G1PrintRegionLivenessInfoClosure::get_hum_bytes(size_t* used_bytes,
4618 size_t* capacity_bytes,
4619 size_t* prev_live_bytes,
4620 size_t* next_live_bytes) {
4621 assert(_hum_used_bytes > 0 && _hum_capacity_bytes > 0, "pre-condition");
4622 *used_bytes = get_hum_bytes(&_hum_used_bytes);
4623 *capacity_bytes = get_hum_bytes(&_hum_capacity_bytes);
4624 *prev_live_bytes = get_hum_bytes(&_hum_prev_live_bytes);
4625 *next_live_bytes = get_hum_bytes(&_hum_next_live_bytes);
4626 }
4627
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4556 G1PrintRegionLivenessInfoClosure(outputStream* out, const char* phase_name)
4557 : _out(out),
4558 _total_used_bytes(0), _total_capacity_bytes(0),
4559 _total_prev_live_bytes(0), _total_next_live_bytes(0),
4560 _hum_used_bytes(0), _hum_capacity_bytes(0),
4561 _hum_prev_live_bytes(0), _hum_next_live_bytes(0) {
4562 G1CollectedHeap* g1h = G1CollectedHeap::heap();
4563 MemRegion g1_committed = g1h->g1_committed();
4564 MemRegion g1_reserved = g1h->g1_reserved();
4565 double now = os::elapsedTime();
4566
4567 // Print the header of the output.
4568 _out->cr();
4569 _out->print_cr(G1PPRL_LINE_PREFIX" PHASE %s @ %1.3f", phase_name, now);
4570 _out->print_cr(G1PPRL_LINE_PREFIX" HEAP"
4571 G1PPRL_SUM_ADDR_FORMAT("committed")
4572 G1PPRL_SUM_ADDR_FORMAT("reserved")
4573 G1PPRL_SUM_BYTE_FORMAT("region-size"),
4574 g1_committed.start(), g1_committed.end(),
4575 g1_reserved.start(), g1_reserved.end(),
4576 HeapRegion::GrainBytes);
4577 _out->print_cr(G1PPRL_LINE_PREFIX);
4578 _out->print_cr(G1PPRL_LINE_PREFIX
4579 G1PPRL_TYPE_H_FORMAT
4580 G1PPRL_ADDR_BASE_H_FORMAT
4581 G1PPRL_BYTE_H_FORMAT
4582 G1PPRL_BYTE_H_FORMAT
4583 G1PPRL_BYTE_H_FORMAT
4584 G1PPRL_DOUBLE_H_FORMAT,
4585 "type", "address-range",
4586 "used", "prev-live", "next-live", "gc-eff");
4587 _out->print_cr(G1PPRL_LINE_PREFIX
4588 G1PPRL_TYPE_H_FORMAT
4589 G1PPRL_ADDR_BASE_H_FORMAT
4590 G1PPRL_BYTE_H_FORMAT
4591 G1PPRL_BYTE_H_FORMAT
4592 G1PPRL_BYTE_H_FORMAT
4593 G1PPRL_DOUBLE_H_FORMAT,
4594 "", "",
4595 "(bytes)", "(bytes)", "(bytes)", "(bytes/ms)");
4596 }
4597
4598 // It takes as a parameter a reference to one of the _hum_* fields, it
4599 // deduces the corresponding value for a region in a humongous region
4600 // series (either the region size, or what's left if the _hum_* field
4601 // is < the region size), and updates the _hum_* field accordingly.
4602 size_t G1PrintRegionLivenessInfoClosure::get_hum_bytes(size_t* hum_bytes) {
4603 size_t bytes = 0;
4604 // The > 0 check is to deal with the prev and next live bytes which
4605 // could be 0.
4606 if (*hum_bytes > 0) {
4607 bytes = MIN2(HeapRegion::GrainBytes, *hum_bytes);
4608 *hum_bytes -= bytes;
4609 }
4610 return bytes;
4611 }
4612
4613 // It deduces the values for a region in a humongous region series
4614 // from the _hum_* fields and updates those accordingly. It assumes
4615 // that that _hum_* fields have already been set up from the "starts
4616 // humongous" region and we visit the regions in address order.
4617 void G1PrintRegionLivenessInfoClosure::get_hum_bytes(size_t* used_bytes,
4618 size_t* capacity_bytes,
4619 size_t* prev_live_bytes,
4620 size_t* next_live_bytes) {
4621 assert(_hum_used_bytes > 0 && _hum_capacity_bytes > 0, "pre-condition");
4622 *used_bytes = get_hum_bytes(&_hum_used_bytes);
4623 *capacity_bytes = get_hum_bytes(&_hum_capacity_bytes);
4624 *prev_live_bytes = get_hum_bytes(&_hum_prev_live_bytes);
4625 *next_live_bytes = get_hum_bytes(&_hum_next_live_bytes);
4626 }
4627
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