Zhengyu Gu
7b43f3402c
8008071: Crashed in promote_malloc_records() with Kitchensink after 19 days
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Added NULL pointer check for arena size record
Reviewed-by: sspitsyn, dholmes
2013-02-21 07:50:48 -05:00
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
2cb72bf989
8003487: NMT: incorrect assertion in VMMemPointerIterator::remove_released_region method (memSnapshot.cpp)
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The assertion is applied to only the region to be released, also performs region integrity checking
Reviewed-by: acorn, coleenp
2012-11-16 09:05:19 -05:00
Zhengyu Gu
a988fc0968
Merge
2012-11-09 22:22:53 -08:00
Zhengyu Gu
f47de1cb41
8001592: NMT: assertion failed: assert(_amount >= amt) failed: Just check: memBaseline.hpp:180
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Fixed NMT that miscounted arena memory when it is used as value or stack object.
Reviewed-by: acorn, coleenp
2012-11-09 19:24:31 -05:00
Zhengyu Gu
1abc21c310
8002273: NMT to report JNI memory leaks when -Xcheck:jni is on
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Allows NMT to report that JNI thread failed to detach from JVM before exiting, which leaks the JavaThread object when check:jni option is on.
Reviewed-by: acorn, dholmes, coleenp, ctornqvi
2012-11-09 11:04:06 -05:00
Zhengyu Gu
c1df1d9659
8001591: NMT: assertion failed: assert(rec->addr() + rec->size() <= cur->base()) failed: Can not overlap in memSnapshot.cpp
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NMT should allow overlapping committed regions as long as they belong to the same reserved region
Reviewed-by: dholmes, coleenp
2012-11-05 15:30:22 -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
Zhengyu Gu
442e4b0e54
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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Fixed virtual memory records merge and promotion logic, should be based on sequence number vs. base address order
Reviewed-by: coleenp, acorn
2012-09-11 20:53:17 -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
a13f3bdad8
7185614: NMT ON: "check by caller" assertion failed on nsk ThreadMXBean test
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7187429: NMT ON: Merge failure should cause NMT to shutdown
Fixed NMT assertion failures
Reviewed-by: acorn, kvn
2012-08-01 17:19:30 -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
