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8292072: NMT: repurpose Tracking overhead counter as global malloc counter

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Reviewed-by: iklam, clanger
This commit is contained in:
Thomas Stuefe 2022-08-13 18:40:29 +00:00
parent d546d13861
commit 1c1c4410b2
5 changed files with 138 additions and 42 deletions
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22
src/hotspot/share/services/mallocTracker.cpp
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@ -66,25 +66,6 @@ size_t MemoryCounter::peak_size() const {
}
#endif
// Total malloc invocation count
size_t MallocMemorySnapshot::total_count() const {
size_t amount = 0;
for (int index = 0; index < mt_number_of_types; index ++) {
amount += _malloc[index].malloc_count();
}
return amount;
}
// Total malloc'd memory amount
size_t MallocMemorySnapshot::total() const {
size_t amount = 0;
for (int index = 0; index < mt_number_of_types; index ++) {
amount += _malloc[index].malloc_size();
}
amount += _tracking_header.size() + total_arena();
return amount;
}
// Total malloc'd memory used by arenas
size_t MallocMemorySnapshot::total_arena() const {
size_t amount = 0;
@ -100,6 +81,7 @@ void MallocMemorySnapshot::make_adjustment() {
size_t arena_size = total_arena();
int chunk_idx = NMTUtil::flag_to_index(mtChunk);
_malloc[chunk_idx].record_free(arena_size);
_all_mallocs.deallocate(arena_size);
}
void MallocMemorySummary::initialize() {
@ -127,7 +109,6 @@ void* MallocTracker::record_malloc(void* malloc_base, size_t size, MEMFLAGS flag
assert(malloc_base != NULL, "precondition");
MallocMemorySummary::record_malloc(size, flags);
MallocMemorySummary::record_new_malloc_header(sizeof(MallocHeader));
uint32_t mst_marker = 0;
if (MemTracker::tracking_level() == NMT_detail) {
MallocSiteTable::allocation_at(stack, size, &mst_marker, flags);
@ -162,7 +143,6 @@ void* MallocTracker::record_free(void* memblock) {
header->assert_block_integrity();
MallocMemorySummary::record_free(header->size(), header->flags());
MallocMemorySummary::record_free_malloc_header(sizeof(MallocHeader));
if (MemTracker::tracking_level() == NMT_detail) {
MallocSiteTable::deallocation_at(header->size(), header->mst_marker());
}