Zhengyu Gu
28e33e673a
8011161: NMT: Memory leak when encountering out of memory error while initializing memory snapshot
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Fix memory leaks when NMT fails to initialize snapshot and worker thread
Reviewed-by: dcubed, ccheung, rdurbin
2013-04-05 12:19:19 -04:00
Zhengyu Gu
b799726f35
8009298: NMT: Special version of class loading/unloading with runThese stresses out NMT
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8009777: NMT: add new NMT dcmd to control auto shutdown option
Added diagnostic VM option and DCmd command to allow NMT stay alive under stress situation
Reviewed-by: dcubed, coleenp
2013-03-20 09:42:48 -04:00
Christian Tornqvist
111ddcc827
8005012: Add WB APIs to better support NMT testing
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Add WB API functions to enable better NMT testing
Reviewed-by: dholmes, zgu
2013-02-01 23:48:08 +01:00
Zhengyu Gu
5c6318e816
8005048: NMT: #loaded classes needs to just show the # defined classes
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Count number of instance classes so that it matches class metadata size
Reviewed-by: coleenp, acorn
2013-01-08 14:04:25 -05:00
Zhengyu Gu
408c9d46f3
8003689: MemTracker::init_tracking_options() reads outside array if commandline argument is empty
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Fixed potential buffer overrun when giving empty option to NativeMemoryTracking commandline option
Reviewed-by: ctornqvi, hseigel, kvn
2012-11-28 09:19:38 -05:00
Zhengyu Gu
3e481cdd81
7199092: NMT: NMT needs to deal overlapped virtual memory ranges
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Enhanced virtual memory tracking to track committed regions as well as reserved regions, so NMT now can generate virtual memory map.
Reviewed-by: acorn, coleenp
2012-10-19 21:40:07 -04:00
Nils Loodin
8bc04a0b28
7200092: Make NMT a bit friendlier to work with
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Reviewed-by: kvn, ysr, azeemj
2012-09-21 10:56:28 +02:00
Zhengyu Gu
afd497eecc
7190089: NMT ON: NMT failed assertion on thread's stack base address
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Solaris only, record stack info to NMT after stack size adjustment was made for primordial threads
Reviewed-by: kvn, acorn, coleenp
2012-09-17 10:20:04 -04:00
Zhengyu Gu
5bc134a53b
7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT
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Updated all related variables and methods to use NOT_PRODUCT macros
Reviewed-by: coleenp, acorn, kvn
2012-08-14 13:56:46 -04:00
Zhengyu Gu
a0930ac7cd
Merge
2012-07-19 09:10:12 -04:00
Zhengyu Gu
f9083712dd
7182543: NMT ON: Aggregate a few NMT related bugs
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1) Fixed MemTrackWorker::generations_in_used() calculation 2) Ensured NMT not to leak memory recorders after shutdown 3) Used ThreadCritical to block safepoint safe threads
Reviewed-by: acorn, coleenp, dholmes, kvn
2012-07-19 09:05:42 -04:00
Zhengyu Gu
196abe2523
7181986: NMT ON: Assertion failure when running jdi ExpiredRequestDeletionTest
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Changed _query_lock to heap object from static object. Also fixed _query_lock and snapshot lock ranks, so they can participate deadlock detection.
Reviewed-by: coleenp, dholmes, kvn
2012-07-16 14:10:34 -04:00
Zhengyu Gu
a39b17624a
6995781: Native Memory Tracking (Phase 1)
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7151532: DCmd for hotspot native memory tracking
Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd
Reviewed-by: acorn, coleenp, fparain
2012-06-28 17:03:16 -04:00
