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8369818: G1: Add missing region types in gc+heap=debug heap output

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Reviewed-by: ayang, iwalulya
This commit is contained in:
Thomas Schatzl 2025-10-15 11:25:09 +00:00
parent 9d11787799
commit c53ab10dae
1 changed files with 11 additions and 8 deletions
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19
src/hotspot/share/gc/g1/g1CollectedHeap.cpp
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@ -2269,6 +2269,10 @@ void G1CollectedHeap::print_heap_regions() const {
}
}
static void print_region_type(outputStream* st, const char* type, uint count, bool last = false) {
st->print("%u %s (%zuM)%s", count, type, count * G1HeapRegion::GrainBytes / M, last ? "\n" : ", ");
}
void G1CollectedHeap::print_heap_on(outputStream* st) const {
size_t heap_used = Heap_lock->owned_by_self() ? used() : used_unlocked();
st->print("%-20s", "garbage-first heap");
@ -2280,14 +2284,13 @@ void G1CollectedHeap::print_heap_on(outputStream* st) const {
st->cr();
StreamIndentor si(st, 1);
st->print("region size %zuK, ", G1HeapRegion::GrainBytes / K);
uint young_regions = young_regions_count();
st->print("%u young (%zuK), ", young_regions,
(size_t) young_regions * G1HeapRegion::GrainBytes / K);
uint survivor_regions = survivor_regions_count();
st->print("%u survivors (%zuK)", survivor_regions,
(size_t) survivor_regions * G1HeapRegion::GrainBytes / K);
st->cr();
st->print("region size %zuM, ", G1HeapRegion::GrainBytes / M);
print_region_type(st, "eden", eden_regions_count());
print_region_type(st, "survivor", survivor_regions_count());
print_region_type(st, "old", old_regions_count());
print_region_type(st, "humongous", humongous_regions_count());
print_region_type(st, "free", num_free_regions(), true /* last */);
if (_numa->is_enabled()) {
uint num_nodes = _numa->num_active_nodes();
st->print("remaining free region(s) on each NUMA node: ");