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8387048: NMTCommittedVirtualMemoryTracker.test_committed_virtualmemory_region_vm fails due to found_stack_top

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Reviewed-by: rtoyonaga, stuefe
This commit is contained in:
Albert Mingkun Yang 2026-07-14 17:25:01 +00:00
parent 499a25b2d0
commit 5d24cecccd
1 changed files with 6 additions and 8 deletions
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14
test/hotspot/gtest/runtime/test_committed_virtualmemory.cpp
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@ -58,16 +58,15 @@ public:
address i_addr = (address)&i;
bool found_i_addr = false;
// stack grows downward
// Stack grows downward.
address stack_top = stack_end + stack_size;
bool found_stack_top = false;
{
MemTracker::NmtVirtualMemoryLocker vml;
// For thread stacks, this historically named API visits resident ranges.
// Not all committed pages have to be resident.
VirtualMemoryTracker::Instance::tree()->visit_committed_regions(rgn_found, [&](const VirtualMemoryRegion& rgn) {
if (rgn.base() + rgn.size() == stack_top) {
EXPECT_TRUE(rgn.size() <= stack_size);
found_stack_top = true;
}
EXPECT_GE(rgn.base(), stack_end);
EXPECT_LE(rgn.end(), stack_top);
if (i_addr < stack_top && i_addr >= rgn.base()) {
found_i_addr = true;
}
@ -76,10 +75,9 @@ public:
});
}
// stack and guard pages may be contiguous as one region
// Stack and guard pages may be contiguous as one region.
ASSERT_TRUE(i >= 1);
ASSERT_TRUE(found_i_addr);
ASSERT_TRUE(found_stack_top);
}
static const int PAGE_CONTAINED_IN_RANGE_TAG = -1;