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Type: Enhancement
Resolution: Fixed
Priority: P4
Fix Version/s: 26
Affects Version/s: None
Component/s: hotspot
Labels:
- nmt

Subcomponent:
runtime
Resolved In Build:
b03

With ~~JDK-8308501~~, a tree data structure has been merged which enables tracking of memory regions. This tree can be used in the VirtualMemoryTracker class of NMT to replace the exisiting SortedLinkList implementation, which in turn speeds up the virtual memory tracking.

causes

JDK-8360048 NMT crash in gtest/NMTGtests.java: fatal error: NMT corruption: Block at 0x0000017748307120: header canary broken

Resolved

JDK-8359959 Test runtime/NMT/VirtualAllocTestType.java failed: '\\[0x[0]*7f7dc4043000 - 0x[0]*7f7dc4083000\\] reserved 256KB for Test' missing from stdout/stderr

Resolved

duplicates

JDK-8308501 Replacement of SortedLinkList in NMT with other more efficient data structures

Closed

JDK-8349968 NMT should never use tty for error logging

Closed

JDK-8349971 NMT should allow to repaint memory with different tags

Closed

relates to

JDK-8335756 NMT: VMATree should provide iterators for reserved regions

Closed

links to

Commit(master) openjdk/jdk/547ce030

Review(master) openjdk/jdk/20425

(1 relates to, 2 links to)

Assignee:: Afshin Zafari

Reporter:: Johan Sjölen

Votes:: 0 Vote for this issue

Watchers:: 8 Start watching this issue

Created:: 2024-07-25 08:26

Updated:: 2025-08-15 04:02

Resolved:: 2025-06-18 04:40

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