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8014240: G1: Add remembered set size information to output of G1PrintRegionLivenessInfo

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Improve the output of G1PrintRegionLivenessInfo by adding a per-region remembered set size information column

Reviewed-by: jwilhelm, johnc
This commit is contained in:
Thomas Schatzl 2013-05-16 13:02:33 +02:00
parent d583cdc253
commit 5ebe77bb6b
4 changed files with 131 additions and 25 deletions
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9
hotspot/src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp
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@ -706,10 +706,11 @@ size_t OtherRegionsTable::mem_size() const {
// Cast away const in this case.
MutexLockerEx x((Mutex*)&_m, Mutex::_no_safepoint_check_flag);
size_t sum = 0;
PerRegionTable * cur = _first_all_fine_prts;
while (cur != NULL) {
sum += cur->mem_size();
cur = cur->next();
// all PRTs are of the same size so it is sufficient to query only one of them.
if (_first_all_fine_prts != NULL) {
assert(_last_all_fine_prts != NULL &&
_first_all_fine_prts->mem_size() == _last_all_fine_prts->mem_size(), "check that mem_size() is constant");
sum += _first_all_fine_prts->mem_size() * _n_fine_entries;
}
sum += (sizeof(PerRegionTable*) * _max_fine_entries);
sum += (_coarse_map.size_in_words() * HeapWordSize);