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155 Commits

Author SHA1 Message Date
Roman Kennke
482e40cc8c 8198285: More consistent Access API for arraycopy 
Reviewed-by: eosterlund, shade
 2018-06-04 23:01:48 +02:00
Kim Barrett
dd3d24341b 8204179: [BACKOUT] OopStorage should use GlobalCounter 
Backout JDK-8202945

Reviewed-by: eosterlund, pliden
 2018-05-31 15:37:18 -04:00
Kim Barrett
d2dd37cf1f 8202945: OopStorage should use GlobalCounter 
Use GlobalCounter rather than private mechanism.

Reviewed-by: eosterlund, tschatzl, rehn
 2018-05-29 18:10:09 -04:00
Kim Barrett
ce8c6887bb 8203843: BasicParState::default_estimated_thread_count(false) can return 0 in gtest 
Ensure minimum estimated thread count is 1.

Reviewed-by: tschatzl, stuefe, rehn
 2018-05-29 16:02:23 -04:00
Coleen Phillimore
e3a3941c9a 8202813: Move vm_weak processing from SystemDictionary to WeakProcessor 
SystemDictionary has all strong roots.  The weak oop_storage is processed by the WeakProcessor so it can be scanned and cleared concurrently and/or by parallel threads.

Reviewed-by: kbarrett, sjohanss
 2018-05-29 15:50:27 -04:00
Gerard Ziemski
90cc14cd60 8133564: Runtime - 2nd followup to Validate JVM Command-Line Flag Arguments 
Moved print function into JVMFlag, cleaned up include headers.

Reviewed-by: coleenp, hseigel
 2018-05-29 11:04:56 -05:00
Kim Barrett
6c20824cda 8203028: Simplify reference processing in light of JDK-8175797 
Removed special handling of Reference.next

Reviewed-by: tschatzl, sjohanss, mchung
 2018-05-26 03:11:50 -04:00
Kim Barrett
66b0c9fe9c 8202863: Rename OopStorage inner collection classes 
Rename BlockArray, BlockList, BlockEntry

Reviewed-by: coleenp
 2018-05-22 03:46:52 -04:00
Erik Österlund
53ec88908c 8202377: Modularize C2 GC barriers 
Reviewed-by: neliasso, roland
 2018-05-18 14:51:06 +02:00
Erik Gahlin
a060be188d 8199712: Flight Recorder 
Co-authored-by: Markus Gronlund <markus.gronlund@oracle.com>
Reviewed-by: coleenp, ihse, erikj, dsamersoff, mseledtsov, egahlin, mgronlun
 2018-05-15 20:24:34 +02:00
Per Lidén
a6b12a847c 8202994: Add support for undoing last TLAB allocation 
Reviewed-by: shade, stefank
 2018-05-14 15:42:58 +02:00
Thomas Schatzl
ec2d9845e0 8201491: G1 support for java.lang.ref.Reference precleaning 
Implement single-threaded concurrent reference precleaning for G1.

Reviewed-by: sangheki, kbarrett
 2018-05-14 11:47:03 +02:00
Goetz Lindenmaier
b72846bc20 8202745: Remove hyphens from "out-of-bounds" 
Reviewed-by: rriggs, dholmes
 2018-05-07 23:07:01 +02:00
Thomas Schatzl
b34a8c43f1 8202780: Remove EnqueueTask related code from ReferenceProcessor after JDK-8202017 
Remove code obsoleted by JDK-8202017

Reviewed-by: kbarrett, sangheki
 2018-05-09 13:37:05 +02:00
Stefan Johansson
816d8f4257 8202662: JFR tests fails: Could not find leak with class 
Reviewed-by: pliden, kbarrett
 2018-05-09 11:24:12 +02:00
Stefan Karlsson
fc99089e00 8202722: Move marksweep_init into GC code 
Reviewed-by: ehelin, kbarrett
 2018-05-07 16:16:17 +02:00
Stefan Karlsson
99072b90d7 8202647: Add deduplicate_string function to CollectedHeap 
Reviewed-by: rehn, sjohanss
 2018-05-07 14:57:25 +02:00
Thomas Schatzl
9ed9e26d5c 8202781: Fix typo in DiscoveredListIterator::complete_enqeue 
Reviewed-by: kbarrett
 2018-05-08 16:49:20 +02:00
Thomas Schatzl
035d0190a3 8202017: Merge Reference Enqueuing phase with phase 3 of Reference processing 
Do reference enqueuing work directly in phase 3 after every Reference.

Reviewed-by: kbarrett, sangheki
 2018-05-08 10:01:29 +02:00
Stefan Karlsson
5f40eda733 8202642: Replace PAR_OOP_ITERATE with templates 
Reviewed-by: eosterlund, sjohanss
 2018-05-07 14:42:10 +02:00
Stefan Karlsson
1dd85fe2f4 8202641: Replace OOP_SINCE_SAVE_MARKS with templates 
Reviewed-by: eosterlund, sjohanss
 2018-05-07 14:42:08 +02:00
Stefan Karlsson
2e1bd03bad 8202639: Use concrete Generation classes in SerialHeap and CMSHeap 
Reviewed-by: eosterlund, ehelin
 2018-05-07 14:42:05 +02:00
Erik Österlund
983911c697 8202083: Remove explicit CMS checks in CardTableBarrierSet 
Reviewed-by: kbarrett
 2018-05-07 10:36:38 +02:00
Tobias Hartmann
29b1984560 8202565: C1 compilation crashes with "assert(is_double_stack() && !is_virtual()) failed: type check" 
Only eagerly resolving the address into a register if the store is precise.

Reviewed-by: roland, eosterlund
 2018-05-07 08:56:35 +02:00
Stefan Karlsson
1cb95bd3d1 8200729: Conditional compilation of GCs 
Reviewed-by: ehelin, coleenp, kvn, ihse
 2018-05-04 11:41:35 +02:00
Kim Barrett
9b734fc849 8200557: OopStorage parallel iteration scales poorly 
Change representation of sequence of all blocks for better scaling.

Reviewed-by: coleenp, eosterlund
 2018-05-03 17:36:50 -04:00
Vladimir Kozlov
8ebfc59cfa 8202552: [AOT][JVMCI] Incorrect usage of INCLUDE_JVMCI and INCLUDE_AOT 
Reviewed-by: stefank, ihse
 2018-05-03 09:07:40 -07:00
Thomas Schatzl
deb5bf745f 8202021: Improve variable naming in ReferenceProcesso 
Reviewed-by: sangheki, sjohanss
 2018-05-03 14:10:08 +02:00
Thomas Schatzl
945701e945 8201492: Properly implement non-contiguous generations for Reference discovery 
Collectors like G1 implementing non-contiguous generations previously used an inexact but conservative area for discovery. Concurrent and STW reference processing could discover the same reference multiple times, potentially missing referents during evacuation. So these collectors had to take extra measures while concurrent marking/reference discovery has been running. This change makes discovery exact for G1 (and any collector using non-contiguous generations) so that concurrent discovery and STW discovery discover on strictly disjoint memory areas. This means that the mentioned situation can not occur any more, and extra work is not required any more too.

Reviewed-by: kbarrett, sjohanss
 2018-05-03 14:09:00 +02:00
Stefan Johansson
45aa655cd0 8202140: TLAB logging is not correct for G1 
Reviewed-by: tschatzl, sangheki
 2018-05-02 13:44:49 +02:00
Stefan Johansson
7f7d103c85 8191471: Elastic TLABs for G1 
Reviewed-by: tschatzl, pliden
 2018-05-02 13:44:46 +02:00
Per Lidén
b9490e5760 8202366: Add macro for common loop in GCConfig 
Reviewed-by: eosterlund, shade
 2018-04-30 12:19:55 +02:00
Per Lidén
8c235a30e7 8202364: Add GCConfig::hs_err_name() to avoid GC-specific code in error reporting 
Reviewed-by: eosterlund, shade
 2018-04-30 12:19:53 +02:00
Christoph Langer
d24f8fd099 8202367: AIX build broken after JDK-8201543 
Reviewed-by: eosterlund, shade, mdoerr
 2018-04-27 13:09:54 +01:00
Thomas Schatzl
0f583c7817 6672778: G1 should trim task queues more aggressively during evacuation pauses 
Regularly try to drain task queues. This helps memory usage and performance during garbage collection.

Reviewed-by: sjohanss, sangheki
 2018-04-27 12:06:46 +02:00
Erik Österlund
f4893f5a9a 8201543: Modularize C1 GC barriers 
Reviewed-by: pliden, rbackman, rkennke
 2018-04-26 20:42:43 +02:00
Gerard Ziemski
edc81d17e1 8202150: [REDO] Split globals.hpp to factor out the Flag class 
Factored out Flag out go globals, renamed to JVMFlag

Reviewed-by: coleenp, dholmes, kvn
 2018-04-26 11:19:05 -05:00
Gerard Ziemski
816e2e5fe0 8202151: [BACKOUT] Split globals.hpp to factor out the Flag class 
Backed out JDK-8081519

Reviewed-by: kvn
 2018-04-23 14:51:16 -05:00
Gerard Ziemski
60723b7e3d 8081519: Split globals.hpp to factor out the Flag class 
Factored out Flag out go globals, renamed to JVMFlag

Reviewed-by: coleenp, dholmes, kvn
 2018-04-23 10:59:39 -05:00
Stefan Karlsson
04e986f200 8202081: Introduce CollectedHeap::is_oop() 
Reviewed-by: eosterlund, rkennke
 2018-04-23 11:25:53 +02:00
Per Lidén
f900ae9914 8201800: Add support for adjusting heap addresses in a TLAB 
Reviewed-by: shade, stefank
 2018-04-19 07:54:50 +02:00
Per Lidén
a4f21eeb03 8201646: Introduce ReferenceDiscoverer interface 
Reviewed-by: stefank, tschatzl, rkennke
 2018-04-19 07:54:50 +02:00
Stefan Johansson
ffd8b1f9bd 8196071: Change G1 Full GC heap and thread sizing ergonomics 
Reviewed-by: tschatzl, sangheki
 2018-04-19 09:15:17 +02:00
Coleen Phillimore
ddfd4c33c6 8201556: Disallow reading oops in ClassLoaderData if unloading 
Move class_loader oop to an OopHandle, and assert that holder is alive when getting class_loader.

Reviewed-by: kbarrett, adinn
 2018-04-18 18:43:04 -04:00
Thomas Schatzl
9b31b8f365 8201487: Do not rebalance reference processing queues if not doing parallel reference processing 
Reviewed-by: sangheki, kbarrett
 2018-04-18 11:36:48 +02:00
Per Lidén
ec504ecf84 8201362: Remove CollectedHeap::barrier_set() 
Reviewed-by: shade, rkennke
 2018-04-12 11:22:24 +02:00
Per Lidén
6825739d3f 8201318: Introduce GCThreadLocalData to abstract GC-specific data belonging to a thread 
Reviewed-by: shade, rehn
 2018-04-12 08:25:56 +02:00
Erik Österlund
2a0986b882 8199417: Modularize interpreter GC barriers 
Reviewed-by: coleenp, rkennke
 2018-04-11 16:07:42 +02:00
Stefan Johansson
9fb40e61cb 8200228: Change default value of HeapSizePerGCThread 
Reviewed-by: tschatzl, shade, jwilhelm
 2018-04-11 08:18:13 +02:00
Stefan Karlsson
8e0a6a9523 8201217: Split specialized_oop_closures.hpp into GC specific files 
Reviewed-by: sjohanss, eosterlund
 2018-04-10 12:21:58 +02:00