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18 Commits

Author SHA1 Message Date
Zhengyu Gu
61a30f035b 8013651: NMT: reserve/release sequence id's in incorrect order due to race 
Fixed NMT race condition for realloc, uncommit and release

Reviewed-by: coleenp, ccheung
 2013-06-18 08:44:08 -04:00
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
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
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
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
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
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
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
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
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
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
Zhengyu Gu
a13f3bdad8 7185614: NMT ON: "check by caller" assertion failed on nsk ThreadMXBean test 
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
a0930ac7cd Merge 2012-07-19 09:10:12 -04:00
Zhengyu Gu
f9083712dd 7182543: NMT ON: Aggregate a few NMT related bugs 
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 
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) 
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