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72 Commits

Author SHA1 Message Date
Stefan Karlsson
ebf98ac78c 8229839: Break circular dependency between oop.inline.hpp and markWord.inline.hpp 
Reviewed-by: pliden, tonyp
 2019-08-19 12:40:27 +02:00
Poonam Bajaj
a073e1261b 8229420: [Redo] jstat reports incorrect values for OU for CMS GC 
Reviewed-by: tschatzl, sgehwolf
 2019-08-16 18:06:51 +00:00
Stefan Karlsson
ae5615c614 8229258: Rework markOop and markOopDesc into a simpler mark word value carrier 
Reviewed-by: rkennke, coleenp, kbarrett, dcubed
 2019-08-06 10:48:21 +02:00
Coleen Phillimore
8426db3d74 8229000: Fix lock and reenable assert in Monitor::check_safepoint_state 
Reviewed-by: dholmes, kbarrett
 2019-08-05 11:16:48 -04:00
Poonam Bajaj
58d760898e 8227178: Backout of 8215523 
Reviewed-by: tschatzl
 2019-07-03 14:33:40 +00:00
Poonam Bajaj
355346c10a 8215523: jstat reports incorrect values for OU for CMS GC 
Reviewed-by: tschatzl, sgehwolf
 2019-07-01 18:24:06 +00:00
Coleen Phillimore
74b8b47283 8225437: JvmtiExport::gc_epilogue is unnecessary 
Remove jvmtiExport::gc_epilogue after full GCs

Reviewed-by: dholmes, sspitsyn, dlong
 2019-06-27 11:40:18 -04:00
Stefan Karlsson
c90f3ee68b 8223624: Cleanup includes of universe.hpp 
Reviewed-by: coleenp, lkorinth
 2019-05-09 14:28:30 +02:00
Stefan Karlsson
087c03a0c7 8198505: Remove CollectorPolicy and its subclasses 
Reviewed-by: pliden, shade
 2019-04-15 11:47:46 +02:00
Vladimir Kozlov
e9c523ae5f 8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library 
Reviewed-by: dnsimon, never, stefank, rehn, neliasso, dholmes, kbarrett, coleenp
 2019-05-01 12:31:29 -07:00
Coleen Phillimore
6fb8502b77 8074355: make MutexLocker smarter about non-JavaThreads 
Use safepoint_check_always/safepoint_check_never instead of safepoint_check_sometimes for locks that are taken by JavaThreads and non-JavaThreads

Reviewed-by: dholmes, rehn, dcubed, lmesnik
 2019-05-01 08:56:38 -04:00
Coleen Phillimore
fbafef11c0 8222811: Consolidate MutexLockerEx and MutexLocker 
Make MutexLocker be MutexLockerEx implementation, remove MutexLockerEx calls.

Reviewed-by: dcubed, dholmes, pliden, rehn
 2019-04-25 10:56:31 -04:00
Stefan Karlsson
cb58cddccb 8221558: Remove obsolete uses of OopStorage::ParState<'false, false> _par_state 
Reviewed-by: pliden, tschatzl
 2019-04-01 18:36:12 +02:00
Stefan Karlsson
c2d4f10483 8220609: Cleanups in ScavengableNMethods 
Reviewed-by: pliden, eosterlund
 2019-03-18 15:21:33 +01:00
Stefan Karlsson
2370adc703 8220343: Move scavenge_root_nmethods from shared code 
Reviewed-by: kvn, eosterlund
 2019-03-14 09:15:51 +01:00
Man Cao
e309fb9a3a 8212206: Refactor AdaptiveSizePolicy to separate out code related to GC overhead 
Move check_gc_overhead_limit() and related code to its own class

Reviewed-by: tschatzl, pliden, jiangli
 2019-01-15 15:59:47 -08:00
Tobias Hartmann
3cf788ab73 8219232: Unit of concurrent active time logging is wrong 
Changed value from seconds to milliseconds.

Reviewed-by: shade
 2019-02-18 15:33:43 +01:00
Chihiro Ito
6773177000 8214236: sun.gc.collector.2.name should be changed 
Reviewed-by: pliden, tschatzl
 2019-02-12 08:56:03 +09:00
Coleen Phillimore
73ccdf3557 8213753: SymbolTable is double walked during class unloading and clean up table timing in do_unloading 
Remove gc timing for short runtime cleanup triggering; make symbol table cleaning triggered automatically on unloading

Reviewed-by: shade, stefank, gziemski
 2019-01-31 10:29:53 -05:00
Thomas Schatzl
d800361151 8213229: Investigate treating StringTable as weak in young collections 
Reviewed-by: zgu, kbarrett
 2019-01-29 11:30:17 +01:00
Zhengyu Gu
b9769c732e 8204947: Port ShenandoahTaskTerminator to mainline and make it default 
Reviewed-by: tschatzl, rkennke
 2018-12-07 13:55:06 -05:00
Man Cao
df4b7015bf 8213224: Move code related to GC threads calculation out of AdaptiveSizePolicy 
Consolidate code related to GC threads calculation into a single class

Reviewed-by: tschatzl, pliden
 2018-12-07 12:46:31 +08:00
Thomas Schatzl
eb5557a98e 8214791: Consistently name gc files containing VM operations 
Name all gc files containing VM operations according to a <gc>VMOperations.?pp.

Reviewed-by: coleenp, dholmes
 2018-12-06 15:44:13 +01:00
Erik Österlund
e39c5811b5 8210330: Make CLD claiming allow multiple claim bits 
Reviewed-by: pliden, coleenp
 2018-10-16 13:16:11 +02:00
Coleen Phillimore
7ef28cb2bc 8209645: Split ClassLoaderData and ClassLoaderDataGraph into separate files 
Reviewed-by: iklam, stuefe
 2018-09-28 16:07:39 -04:00
Coleen Phillimore
eb9259138f 8210155: Lock ClassLoaderDataGraph 
In preparation for concurrent class unloading.

Reviewed-by: hseigel, eosterlund
 2018-08-31 07:03:46 -04:00
Kim Barrett
75a8e7d4e2 8210119: Rename SubTasksDone::is_task_claimed 
Renamed to try_claim_task and inverted result.

Reviewed-by: coleenp, sjohanss
 2018-08-30 16:16:19 -04:00
Thomas Schatzl
d702d5f8d2 8208669: GC changes to allow enabling -Wreorder 
Reviewed-by: kbarrett
 2018-08-08 15:31:06 +02:00
Zhengyu Gu
4555c28590 8205921: Optimizing best-of-2 work stealing queue selection 
Bias towards stealing from queues that we recently successfully stole from to decrease the number of unsuccessful steal attempts.

Co-authored-by: Thomas Schatzl <thomas.schatzl@oracle.com>
Reviewed-by: eosterlund, kbarrett
 2018-08-03 11:06:10 +02:00
Stefan Karlsson
11813888b8 8204540: Automatic oop closure devirtualization 
Reviewed-by: kbarrett, eosterlund
 2018-05-26 06:59:49 +02:00
Paul Hohensee
ebe240f3f4 8195115: G1 Old Gen MemoryPool CollectionUsage.used values don't reflect mixed GC results 
Memory pools can now be optional collection participants, e.g., G1 Old Gen in an incremental collection.

Reviewed-by: ehelin, mchung
 2018-06-19 05:18:49 -07:00
Thomas Schatzl
7f9bbfa767 8043575: Dynamically parallelize reference processing work 
In G1 automatically set the number of parallel Reference processing threads

Co-authored-by: Sangheon Kim <sangheon.kim@oracle.com>
Reviewed-by: sangheki, kbarrett
 2018-06-18 12:11:59 +02:00
Thomas Schatzl
1a0553e4eb 8202845: Refactor reference processing for improved parallelism 
Fold reference processing's nine phases into four to decrease startup and termination time of this phase.

Reviewed-by: kbarrett, sjohanss
 2018-05-29 09:26:00 +02:00
Robbin Ehn
66f8951e15 8195097: Make it possible to process StringTable outside safepoint 
Reviewed-by: coleenp, gziemski, iklam, jiangli
 2018-06-07 14:11:56 +02:00
Coleen Phillimore
892a2af03f 8204301: Make OrderAccess functions available to hpp rather than inline.hpp files 
Move orderAccess.inline.hpp into orderAccess.hpp and remove os.hpp inclusion and conditional os::is_MP() for fence on x86 platforms

Reviewed-by: dholmes, hseigel
 2018-06-06 10:45:40 -04:00
Sangheon Kim
4fb9d6717d 8204094: assert(worker_i < _length) failed: Worker 15 is greater than max: 11 at ReferenceProcessorPhaseTimes 
Reviewed-by: kbarrett, tschatzl
 2018-06-04 21:20:16 -07:00
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
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
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
Coleen Phillimore
204ba9a580 8202447: Fix unloading_occurred to mean unloading_occurred 
Nmethod unloading does not need to test for jvmti to set unloading_occurred, nor do we need to clean weak Klasses in metadata if unloading does not occur.

Reviewed-by: sspitsyn, rehn
 2018-04-27 15:00:04 -04:00
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
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
Per Lidén
a4f21eeb03 8201646: Introduce ReferenceDiscoverer interface 
Reviewed-by: stefank, tschatzl, rkennke
 2018-04-19 07:54:50 +02:00