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8054326: Confusing message in "Current rem set statistics"

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Reviewed-by: pliden, kevinw
This commit is contained in:
Cheleswer Sahu 2016-05-02 13:28:08 +05:30
parent 565780b7aa
commit 323c1d5dbf
1 changed files with 35 additions and 26 deletions
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61
hotspot/src/share/vm/gc/g1/g1RemSetSummary.cpp
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@ -144,10 +144,6 @@ void G1RemSetSummary::subtract_from(G1RemSetSummary* other) {
_sampling_thread_vtime = other->sampling_thread_vtime() - _sampling_thread_vtime;
}
static size_t round_to_K(size_t value) {
return value / K;
}
class RegionTypeCounter VALUE_OBJ_CLASS_SPEC {
private:
const char* _name;
@ -198,8 +194,10 @@ public:
size_t code_root_elems() const { return _code_root_elems; }
void print_rs_mem_info_on(outputStream * out, size_t total) {
out->print_cr(" " SIZE_FORMAT_W(8) "K (%5.1f%%) by " SIZE_FORMAT " %s regions",
round_to_K(rs_mem_size()), rs_mem_size_percent_of(total), amount(), _name);
out->print_cr(" " SIZE_FORMAT_W(8) "%s (%5.1f%%) by " SIZE_FORMAT " %s regions",
byte_size_in_proper_unit(rs_mem_size()),
proper_unit_for_byte_size(rs_mem_size()),
rs_mem_size_percent_of(total), amount(), _name);
}
void print_cards_occupied_info_on(outputStream * out, size_t total) {
@ -208,8 +206,10 @@ public:
}
void print_code_root_mem_info_on(outputStream * out, size_t total) {
out->print_cr(" " SIZE_FORMAT_W(8) "K (%5.1f%%) by " SIZE_FORMAT " %s regions",
round_to_K(code_root_mem_size()), code_root_mem_size_percent_of(total), amount(), _name);
out->print_cr(" " SIZE_FORMAT_W(8) "%s (%5.1f%%) by " SIZE_FORMAT " %s regions",
byte_size_in_proper_unit(code_root_mem_size()),
proper_unit_for_byte_size(code_root_mem_size()),
code_root_mem_size_percent_of(total), amount(), _name);
}
void print_code_root_elems_info_on(outputStream * out, size_t total) {
@ -291,17 +291,22 @@ public:
RegionTypeCounter* counters[] = { &_young, &_humongous, &_free, &_old, NULL };
out->print_cr(" Current rem set statistics");
out->print_cr(" Total per region rem sets sizes = " SIZE_FORMAT "K."
" Max = " SIZE_FORMAT "K.",
round_to_K(total_rs_mem_sz()), round_to_K(max_rs_mem_sz()));
out->print_cr(" Total per region rem sets sizes = " SIZE_FORMAT "%s."
" Max = " SIZE_FORMAT "%s.",
byte_size_in_proper_unit(total_rs_mem_sz()),
proper_unit_for_byte_size(total_rs_mem_sz()),
byte_size_in_proper_unit(max_rs_mem_sz()),
proper_unit_for_byte_size(max_rs_mem_sz()));
for (RegionTypeCounter** current = &counters[0]; *current != NULL; current++) {
(*current)->print_rs_mem_info_on(out, total_rs_mem_sz());
}
out->print_cr(" Static structures = " SIZE_FORMAT "K,"
" free_lists = " SIZE_FORMAT "K.",
round_to_K(HeapRegionRemSet::static_mem_size()),
round_to_K(HeapRegionRemSet::fl_mem_size()));
out->print_cr(" Static structures = " SIZE_FORMAT "%s,"
" free_lists = " SIZE_FORMAT "%s.",
byte_size_in_proper_unit(HeapRegionRemSet::static_mem_size()),
proper_unit_for_byte_size(HeapRegionRemSet::static_mem_size()),
byte_size_in_proper_unit(HeapRegionRemSet::fl_mem_size()),
proper_unit_for_byte_size(HeapRegionRemSet::fl_mem_size()));
out->print_cr(" " SIZE_FORMAT " occupied cards represented.",
total_cards_occupied());
@ -312,17 +317,20 @@ public:
// Largest sized rem set region statistics
HeapRegionRemSet* rem_set = max_rs_mem_sz_region()->rem_set();
out->print_cr(" Region with largest rem set = " HR_FORMAT ", "
"size = " SIZE_FORMAT "K, occupied = " SIZE_FORMAT "K.",
"size = " SIZE_FORMAT "%s, occupied = " SIZE_FORMAT "%s.",
HR_FORMAT_PARAMS(max_rs_mem_sz_region()),
round_to_K(rem_set->mem_size()),
round_to_K(rem_set->occupied()));
byte_size_in_proper_unit(rem_set->mem_size()),
proper_unit_for_byte_size(rem_set->mem_size()),
byte_size_in_proper_unit(rem_set->occupied()),
proper_unit_for_byte_size(rem_set->occupied()));
// Strong code root statistics
HeapRegionRemSet* max_code_root_rem_set = max_code_root_mem_sz_region()->rem_set();
out->print_cr(" Total heap region code root sets sizes = " SIZE_FORMAT "K."
" Max = " SIZE_FORMAT "K.",
round_to_K(total_code_root_mem_sz()),
round_to_K(max_code_root_rem_set->strong_code_roots_mem_size()));
out->print_cr(" Total heap region code root sets sizes = " SIZE_FORMAT "%s."
" Max = " SIZE_FORMAT "%s.",
byte_size_in_proper_unit(total_code_root_mem_sz()),
proper_unit_for_byte_size(total_code_root_mem_sz()),
byte_size_in_proper_unit(max_code_root_rem_set->strong_code_roots_mem_size()),
proper_unit_for_byte_size(max_code_root_rem_set->strong_code_roots_mem_size()));
for (RegionTypeCounter** current = &counters[0]; *current != NULL; current++) {
(*current)->print_code_root_mem_info_on(out, total_code_root_mem_sz());
}
@ -334,10 +342,11 @@ public:
}
out->print_cr(" Region with largest amount of code roots = " HR_FORMAT ", "
"size = " SIZE_FORMAT "K, num_elems = " SIZE_FORMAT ".",
"size = " SIZE_FORMAT "%s, num_elems = " SIZE_FORMAT ".",
HR_FORMAT_PARAMS(max_code_root_mem_sz_region()),
round_to_K(max_code_root_rem_set->strong_code_roots_mem_size()),
round_to_K(max_code_root_rem_set->strong_code_roots_list_length()));
byte_size_in_proper_unit(max_code_root_rem_set->strong_code_roots_mem_size()),
proper_unit_for_byte_size(max_code_root_rem_set->strong_code_roots_mem_size()),
max_code_root_rem_set->strong_code_roots_list_length());
}
};