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63 Commits

Author SHA1 Message Date
Haoyu Li
7eadf5b372 8220465: Use shadow regions for faster ParallelGC full GCs 
Reviewed-by: sjohanss, tschatzl
 2019-10-23 21:28:24 +08:00
Kim Barrett
e70386f23a 8213415: BitMap::word_index_round_up overflow problems 
Limit BitMap sizes so to-word round-up can't overflow.

Reviewed-by: tschatzl, stuefe
 2019-12-03 15:12:56 -05:00
Stefan Karlsson
d45ec50076 8234737: Harmonize parameter order in Atomic - add 
Reviewed-by: rehn, dholmes
 2019-11-25 12:31:39 +01:00
Stefan Johansson
5e113f37e8 8233065: PSParallelCompact::move_and_update is unused and should be removed 
Reviewed-by: lkorinth, tschatzl
 2019-11-11 13:20:26 +01:00
Thomas Schatzl
c4b3dcf8c1 8189737: Make HeapRegion not derive from Space 
Reviewed-by: sjohanss, kbarrett
 2019-11-08 10:01:13 +01:00
Leo Korinth
1447c5c0e3 8224665: Parallel GC: Use WorkGang (7: remove task manager) 
Reviewed-by: stefank, kbarrett, tschatzl
 2019-08-16 09:18:38 +02:00
Leo Korinth
3eba0ec9ba 8224661: Parallel GC: Use WorkGang (3: UpdateDensePrefixAndCompactionTask) 
Reviewed-by: stefank, kbarrett, tschatzl
 2019-08-16 09:18:26 +02:00
Leo Korinth
855895f61b 8224660: Parallel GC: Use WorkGang (2: MarksFromRootsTask) 
Reviewed-by: stefank, kbarrett, tschatzl
 2019-08-16 09:18:23 +02:00
Leo Korinth
3a38bec5ae 8224659: Parallel GC: Use WorkGang (1: PCRefProcTask) 
Reviewed-by: stefank, kbarrett, tschatzl
 2019-08-16 09:18:19 +02:00
Antonios Printezis
3f2a661b7e 8227225: ParallelGC: add subspace transitions for young gen for gc+heap=info log lines 
Reviewed-by: tschatzl, kbarrett
 2019-08-06 15:03:48 -04:00
Kim Barrett
e396e38bb3 8227653: Add VM Global OopStorage 
Replaced conditional JVMCI global storage with VM global storage.

Reviewed-by: tschatzl, lfoltan, kvn
 2019-07-18 14:57:32 -04:00
Antonios Printezis
dacaff48e2 8223575: add subspace transitions to gc+metaspace=info log lines 
Reviewed-by: stuefe, tschatzl
 2019-07-03 15:46:48 -04:00
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
Leo Korinth
b0b6b497a4 8221260: Initialize more class members on construction, remove some unused ones 
Reviewed-by: kbarrett, tschatzl
 2019-03-25 14:46:55 +01:00
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
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
Kishor Kharbas
28f71c2c72 8211424: Allocation of old generation of java heap on alternate memory devices - Parallel GC 
8202286: Allocation of old generation of Java heap on alternate memory devices

Enable an experimental feature in HotSpot JVM to allocate old generation of Parallel GC on an alternative memory device, such as NV-DIMMs.

Reviewed-by: sangheki, sjohanss
 2018-12-21 08:23:55 -08:00
Zhengyu Gu
b9769c732e 8204947: Port ShenandoahTaskTerminator to mainline and make it default 
Reviewed-by: tschatzl, rkennke
 2018-12-07 13:55:06 -05:00
Erik Österlund
e39c5811b5 8210330: Make CLD claiming allow multiple claim bits 
Reviewed-by: pliden, coleenp
 2018-10-16 13:16:11 +02:00
Leo Korinth
e898052f3b 8211447: Replace oop_pc_update_pointers with oop_iterate and closure 
Reviewed-by: sjohanss, tschatzl
 2018-10-12 12:14:01 +02:00
Leo Korinth
78fe66c3bb 8211446: Replace oop_pc_follow_contents with oop_iterate and closure 
Reviewed-by: sjohanss, tschatzl
 2018-10-12 12:13:06 +02:00
Man Cao
33c38f2ccb 8210716: Detailed GC logging request misses some 
Changed log tags from (heap, ergo) to (gc, ergo, heap).

Reviewed-by: kbarrett, tschatzl
 2018-10-01 20:16:55 -04:00
Coleen Phillimore
7ef28cb2bc 8209645: Split ClassLoaderData and ClassLoaderDataGraph into separate files 
Reviewed-by: iklam, stuefe
 2018-09-28 16:07:39 -04:00
Per Lidén
a8703f9803 8210713: Let CollectedHeap::ensure_parsability() take care of TLAB statistics gathering 
Reviewed-by: eosterlund, sjohanss
 2018-09-19 14:09:11 +02:00
Coleen Phillimore
dc556f4086 8209738: Remove ClassLoaderDataGraph::*oops_do functions 
Make walking CLDG more consistent.

Reviewed-by: dholmes, tschatzl
 2018-08-21 09:33:41 -04:00
Thomas Schatzl
d702d5f8d2 8208669: GC changes to allow enabling -Wreorder 
Reviewed-by: kbarrett
 2018-08-08 15:31:06 +02:00
Stefan Karlsson
11813888b8 8204540: Automatic oop closure devirtualization 
Reviewed-by: kbarrett, eosterlund
 2018-05-26 06:59:49 +02:00
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
Thomas Schatzl
9455a89d47 8204617: ParallelGC parallel reference processing does not set MT degree in reference processor 
Reviewed-by: sangheki, kbarrett
 2018-06-11 12:09:57 +02:00
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
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
Stefan Karlsson
c590979683 8202649: Move the Parallel GC specific task creation functions out of Threads 
Reviewed-by: ehelin, pliden
 2018-05-07 16:12:07 +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
1cb95bd3d1 8200729: Conditional compilation of GCs 
Reviewed-by: ehelin, coleenp, kvn, ihse
 2018-05-04 11:41:35 +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
Coleen Phillimore
c215aa5889 8201537: Remove is_alive closure from Klass::is_loader_alive() 
Remove is_alive closure from callers of Klass::is_loader_alive so that cleaning metadata doesn't require GC closure.

Reviewed-by: adinn, stefank
 2018-04-18 13:37:39 -04:00
Stefan Karlsson
1a1aecd166 8200106: Move NoSafepointVerifier out from gcLocker.hpp 
Reviewed-by: coleenp
 2018-03-23 18:54:12 +01:00
Stefan Karlsson
f89abe4589 8199946: Move load/store and encode/decode out of oopDesc 
Reviewed-by: eosterlund, coleenp, tschatzl
 2018-03-15 21:24:10 +01:00
Thomas Stuefe
da674f0d0d 8199430: Rename MetaspaceAux to something more meaningful 
Reviewed-by: zgu, coleenp
 2018-03-11 07:11:03 +01:00