Note, we already have an issue with NMT dumps (will raise a bug after investigation) - callsites are not resolved. This is not a regression: Using 11.0.18+10-0ubuntu3: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -XX:NativeMemoryTracking=detail -cp . infinite& [1] 4739 /usr/lib/jvm/java-11-openjdk-amd64/bin/jcmd 4739 VM.native_memory detail ----------------------------------------------------------cut------------------------------ 4739: Native Memory Tracking: Total: reserved=2415496KB, committed=131892KB - Java Heap (reserved=1005568KB, committed=65536KB) (mmap: reserved=1005568KB, committed=65536KB) - Class (reserved=1056874KB, committed=4970KB) (classes #478) ( instance classes #413, array classes #65) (malloc=106KB #517) (mmap: reserved=1056768KB, committed=4864KB) ( Metadata: ) ( reserved=8192KB, committed=4352KB) ( used=146KB) ( free=4206KB) ( waste=0KB =0.00%) ( Class space:) ( reserved=1048576KB, committed=512KB) ( used=5KB) ( free=507KB) ( waste=0KB =0.00%) - Thread (reserved=17486KB, committed=842KB) (thread #17) (stack: reserved=17408KB, committed=764KB) (malloc=60KB #104) (arena=18KB #32) - Code (reserved=247724KB, committed=7584KB) (malloc=36KB #394) (mmap: reserved=247688KB, committed=7548KB) - GC (reserved=74681KB, committed=39797KB) (malloc=4465KB #704) (mmap: reserved=70216KB, committed=35332KB) - Compiler (reserved=136KB, committed=136KB) (malloc=4KB #51) (arena=133KB #5) - Internal (reserved=556KB, committed=556KB) (malloc=524KB #931) (mmap: reserved=32KB, committed=32KB) - Symbol (reserved=1038KB, committed=1038KB) (malloc=678KB #16) (arena=360KB #1) - Native Memory Tracking (reserved=276KB, committed=276KB) (malloc=166KB #2361) (tracking overhead=110KB) - Shared class space (reserved=10872KB, committed=10872KB) (mmap: reserved=10872KB, committed=10872KB) - Arena Chunk (reserved=173KB, committed=173KB) (malloc=173KB) - Logging (reserved=4KB, committed=4KB) (malloc=4KB #192) - Arguments (reserved=18KB, committed=18KB) (malloc=18KB #489) - Module (reserved=59KB, committed=59KB) (malloc=59KB #1043) - Synchronizer (reserved=21KB, committed=21KB) (malloc=21KB #177) - Safepoint (reserved=8KB, committed=8KB) (mmap: reserved=8KB, committed=8KB) Virtual memory map: [0x00000000c2a00000 - 0x0000000100000000] reserved 1005568KB for Java Heap from [0x00007fb273aa1b0f] [0x00007fb273aa281c] [0x00007fb273aa2abe] [0x00007fb273a647e2] [0x00000000c2a00000 - 0x00000000c6800000] committed 63488KB from [0x00007fb273397e45] [0x00007fb273398228] [0x00007fb2733a34a7] [0x00007fb2734288b8] [0x00000000ffe00000 - 0x00000000ffe48000] committed 288KB from ----------------------------------------------------------cut------------------------------