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139 Commits

Author SHA1 Message Date
Zhengyu Gu
37fe1421a8 8010151: nsk/regression/b6653214 fails "assert(snapshot != NULL) failed: Worker should not be started" 
Fixed a racing condition when shutting down NMT while worker thread is being started, also fixed a few mis-declared volatile pointers.

Reviewed-by: dholmes, dlong
 2013-04-10 08:55:50 -04:00
Zhengyu Gu
28e33e673a 8011161: NMT: Memory leak when encountering out of memory error while initializing memory snapshot 
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
7363c58e32 8010474: [parfait] Undefined return value of the functions in hotspot/src/share/vm/services/memTracker.hpp 
Fixed functions that miss return values

Reviewed-by: coleenp, acorn, kvn
 2013-03-27 15:41:53 -04:00
Daniel D. Daugherty
05b3bc59c3 Merge 2013-03-23 22:35:02 -07:00
Zhengyu Gu
b799726f35 8009298: NMT: Special version of class loading/unloading with runThese stresses out NMT 
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
Morris Meyer
5b72922058 8009156: [parfait] Null pointer deference in hotspot/src/share/vm/services/memoryService.cpp 
Add guarantee() to add_generation_memory_pool()

Reviewed-by: kvn, twisti
 2013-03-16 07:39:57 -07:00
Daniel D. Daugherty
776841b1bc 8007476: assert(the_owner != NULL) failed: Did not find owning Java thread for lock word address 
Make deadlock detection a little more robust in the case of being unable to find the JavaThread associated with an object lock.

Reviewed-by: sla, acorn
 2013-02-27 15:00:30 -08:00
Mikael Vidstedt
960480c53d 8008081: Print outs do not have matching arguments 
Corrected formatted prints to have matching arguments, removed dead print_frame_layout function

Reviewed-by: sla, dholmes
 2013-02-26 08:54:03 -08:00
Zhengyu Gu
7b43f3402c 8008071: Crashed in promote_malloc_records() with Kitchensink after 19 days 
Added NULL pointer check for arena size record

Reviewed-by: sspitsyn, dholmes
 2013-02-21 07:50:48 -05:00
Bill Pittore
9cad40fca6 Merge 2013-02-07 16:05:48 -05:00
Dmitry Samersoff
302a583c08 8002048: Protocol to discovery of manageable Java processes on a network 
Introduce a protocol to discover manageble Java instances across a network subnet, JDP

Reviewed-by: sla, dfuchs
 2013-02-03 22:28:08 +04:00
Christian Tornqvist
111ddcc827 8005012: Add WB APIs to better support NMT testing 
Add WB API functions to enable better NMT testing

Reviewed-by: dholmes, zgu
 2013-02-01 23:48:08 +01:00
Karen Kinnear
b28f16c910 Merge 2013-01-28 10:34:07 -05:00
Dean Long
0a2347e0ba Merge 2013-01-27 01:07:09 -08:00
Ioi Lam
93b845e21b 6479360: PrintClassHistogram improvements 
Jcmd <pid> GC.class_stats (UnlockDiagnosticVMOptions)

Reviewed-by: coleenp, hseigel, sla, acorn
 2013-01-25 15:06:18 -05:00
Zhengyu Gu
fc0efc91c8 8000692: Remove old KERNEL code 
Removed depreciated kernel VM source code from hotspot VM

Reviewed-by: dholmes, acorn
 2013-01-25 10:04:08 -05:00
Joseph Provino
698fba94ef 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS 
Rename INCLUDE_ALTERNATE_GCS to INCLUDE_ALL_GCS and replace SERIALGC with INCLUDE_ALL_GCS.

Reviewed-by: coleenp, stefank
 2013-01-23 13:02:39 -05:00
Karen Kinnear
706efde6df Merge 2013-01-21 16:11:24 -05:00
Harold Seigel
68f3dd76c9 7102489: RFE: cleanup jlong typedef on __APPLE__and _LLP64 systems 
Define jlong as long on all LP64 platforms and add JLONG_FORMAT macro.

Reviewed-by: dholmes, coleenp, mikael, kvn
 2013-01-17 10:25:16 -05:00
Alejandro Murillo
54489e4ba1 Merge 2013-01-11 01:43:09 -08:00
Zhengyu Gu
db4cfa5011 Merge 2013-01-08 11:39:53 -08:00
Zhengyu Gu
5c6318e816 8005048: NMT: #loaded classes needs to just show the # defined classes 
Count number of instance classes so that it matches class metadata size

Reviewed-by: coleenp, acorn
 2013-01-08 14:04:25 -05:00
David Katleman
614dd26d3d Merge 2012-12-26 14:23:50 -08:00
Jesper Wilhelmsson
917282a86d Merge 2012-12-21 16:33:22 +01:00
David Katleman
5dc630b150 8004982: JDK8 source with GPL header errors 
Reviewed-by: ohair
 2012-12-20 16:24:51 -08:00
Zhengyu Gu
c75042e28b 8004802: jcmd VM.native_memory baseline=false crashes VM 
NMT has to check option's value also to determine which command to execute

Reviewed-by: acorn, coleenp, hseigel
 2012-12-17 13:14:02 -05:00
Erik Helin
7fc460bae3 8004845: Catch incorrect usage of new and delete during compile time for value objects and stack objects 
Makes the "new" and "delete" operator of _ValueObj and StackObj private

Reviewed-by: dholmes, coleenp
 2012-12-17 15:25:26 +01:00
John Cuthbertson
defec7ae16 Merge 2012-11-29 11:23:15 -08:00
Zhengyu Gu
408c9d46f3 8003689: MemTracker::init_tracking_options() reads outside array if commandline argument is empty 
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
Stefan Karlsson
57204d9f34 8003935: Simplify the needed includes for using Thread::current() 
Reviewed-by: dholmes, rbackman, coleenp
 2012-11-27 14:20:21 +01:00
Zhengyu Gu
2cb72bf989 8003487: NMT: incorrect assertion in VMMemPointerIterator::remove_released_region method (memSnapshot.cpp) 
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
Harold Seigel
4aad9b74e7 8001471: Klass::cast() does nothing 
Remove function Klass::cast() and calls to it.

Reviewed-by: dholmes, coleenp
 2012-11-12 16:15:05 -05:00
Zhengyu Gu
a988fc0968 Merge 2012-11-09 22:22:53 -08:00
Zhengyu Gu
07b3c477fe Merge 2012-11-09 16:45:20 -08:00
Zhengyu Gu
f47de1cb41 8001592: NMT: assertion failed: assert(_amount >= amt) failed: Just check: memBaseline.hpp:180 
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 
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
Harold Seigel
7fee66f152 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass 
Change types of above methods and field to InstanceKlass and remove unneeded casts from the source files.

Reviewed-by: dholmes, coleenp, zgu
 2012-11-06 15:09:37 -05:00
Zhengyu Gu
c1df1d9659 8001591: NMT: assertion failed: assert(rec->addr() + rec->size() <= cur->base()) failed: Can not overlap in memSnapshot.cpp 
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 
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
Gary Collins
ad3844358d Merge 2012-10-12 10:49:39 -07:00
Joseph Provino
c5eaaaa070 7189254: Change makefiles for more flexibility to override defaults 
Change makefiles so that targets and parameters can be overridden by alternate makefiles.

Reviewed-by: dholmes, coleenp
 2012-10-10 14:35:58 -04:00
Mikael Vidstedt
769dd50182 7197424: update copyright year to match last edit in jdk8 hotspot repository 
Update copyright year to 2012 for relevant files

Reviewed-by: dholmes, coleenp
 2012-10-09 10:09:34 -07:00
Coleen Phillimore
28047d6a0f 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass 
Capitalize these metadata types (and objArrayKlass)

Reviewed-by: stefank, twisti, kvn
 2012-09-29 06:40:00 -04:00
Nils Loodin
8bc04a0b28 7200092: Make NMT a bit friendlier to work with 
Reviewed-by: kvn, ysr, azeemj
 2012-09-21 10:56:28 +02:00
Kevin Walls
1c502686ea 7196045: Possible JVM deadlock in ThreadTimesClosure when using HotspotInternal non-public API 
Reviewed-by: sspitsyn, dholmes
 2012-09-19 15:24:32 +01:00
Zhengyu Gu
fb2076c572 7188594: Print statistic collected by NMT with VM flag 
Print out statistics of collected NMT data if it is on at VM exits

Reviewed-by: kvn, coleenp, twisti
 2012-09-17 16:37:26 -04:00
Zhengyu Gu
afd497eecc 7190089: NMT ON: NMT failed assertion on thread's stack base address 
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
442e4b0e54 7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record 
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
Jon Masamitsu
5c58d27aac 6964458: Reimplement class meta-data storage to use native memory 
Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes

Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
 2012-09-01 13:25:18 -04:00
Daniel D. Daugherty
9d85b8e187 Merge 2012-08-17 11:57:46 -07:00