Mercurial > hg > graal-jvmci-8
diff src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp @ 10290:05a17f270c7e
8014240: G1: Add remembered set size information to output of G1PrintRegionLivenessInfo
Summary: Improve the output of G1PrintRegionLivenessInfo by adding a per-region remembered set size information column
Reviewed-by: jwilhelm, johnc
author | tschatzl |
---|---|
date | Thu, 16 May 2013 13:02:33 +0200 |
parents | d58c62b7447d |
children | 2958af1d8c5a |
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--- a/src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp Wed May 15 22:35:36 2013 -0700 +++ b/src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp Thu May 16 13:02:33 2013 +0200 @@ -706,10 +706,11 @@ // 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);