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69 commits

Author SHA1 Message Date
Stefan Karlsson
7ede39f590 8079275: Remove CollectedHeap::use_parallel_gc_threads 
Reviewed-by: sjohanss, kbarrett
 2015-05-04 15:02:37 +02:00
Coleen Phillimore
8a788d57db 8068352: Move virtualspace.* out of src/share/vm/runtime to memory directory 
Move virtualspace.* out of src/share/vm/runtime to memory directory

Reviewed-by: brutisso, sgehwolf, stefank, sspitsyn
 2015-04-28 16:46:39 -04:00
Stefan Karlsson
d71d16b043 8076457: Fix includes of inline.hpp in GC code 
Reviewed-by: pliden, jmasa
 2015-04-02 10:24:24 +02:00
Stefan Karlsson
0c57e77d43 8075803: Fix GC includes and forward declarations 
Reviewed-by: pliden, mgerdin
 2015-03-24 11:21:21 +01:00
Mikael Gerdin
8daca859f8 8055479: TLAB stability 
Reviewed-by: brutisso, stefank, ahgross
 2014-10-09 15:42:23 +02:00
Yumin Qi
e4961abb71 Merge 2014-12-12 20:49:14 -08:00
Max Ockner
1d76295d70 8047290: Make Mutex::_no_safepoint_check_flag locks verify that this lock never checks for safepoint 
Ensure consistent safepoint checking in Mutex/Monitor locking methods.

Reviewed-by: dholmes, dcubed, coleenp
 2014-12-11 21:34:43 -05:00
Bengt Rutisson
bdb2636f9e 8066782: Move common code from CMSGeneration and TenuredGeneration to CardGeneration 
Reviewed-by: kbarrett, tschatzl
 2014-12-10 11:32:22 +01:00
Bengt Rutisson
ef7d6c3b9d 8066780: Split CardGeneration out to its own file 
Reviewed-by: kbarrett, tschatzl
 2014-12-10 11:30:46 +01:00
Bengt Rutisson
ca3e287e96 8065992: Change CMSCollector::_young_gen to be a ParNewGeneration* 
Reviewed-by: mgerdin, kbarrett
 2014-12-02 09:51:16 +01:00
Bengt Rutisson
d8635f58cd 8066133: Fix missing reivew changes for JDK-8065972 
Reviewed-by: mgerdin, stefank
 2014-11-28 08:20:52 +01:00
Bengt Rutisson
0ecc753586 8065972: Remove support for ParNew+SerialOld and DefNew+CMS 
Reviewed-by: mgerdin, stefank
 2014-11-27 21:02:13 +01:00
Bengt Rutisson
2da855a259 8064865: Remove the debug funciontality RotateCMSCollectionTypes for CMS 
Reviewed-by: jmasa, kbarrett, ysr
 2014-11-18 10:39:16 +01:00
Bengt Rutisson
4b60638d85 8064702: Remove the CMS foreground collector 
Reviewed-by: kbarrett, ysr
 2014-11-18 10:23:26 +01:00
Bengt Rutisson
4601eb634a 8061308: Remove iCMS 
Reviewed-by: mgerdin, jmasa
 2014-10-31 09:10:51 +01:00
Stefan Karlsson
1b001a2afd 8049421: G1 Class Unloading after completing a concurrent mark cycle 
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov
 2014-07-07 10:12:40 +02:00
Stefan Karlsson
ef1e9b3c80 8049420: Backout 8048248 to correct attribution 
Reviewed-by: ehelin, brutisso
 2014-07-07 12:37:11 +02:00
Stefan Karlsson
8c3aced316 8048248: G1 Class Unloading after completing a concurrent mark cycle 
Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov
 2014-07-07 10:12:40 +02:00
John Coomes
900ca33ab0 8034246: remove CMS and ParNew adaptive size policy code 
Reviewed-by: tschatzl, jwilhelm, mgerdin
 2014-06-26 13:30:43 -07:00
Stefan Karlsson
fd43773a10 8046670: Make CMS metadata aware closures applicable for other collectors 
Reviewed-by: ehelin, mgerdin
 2014-06-24 16:20:15 +02:00
Jesper Wilhelmsson
ded8b863dd 8042298: Remove the names gen0 and gen1 from the GC code 
Renamed gen0 and gen1 to young and old throughout the GC code.

Reviewed-by: sjohanss, jcoomes
 2014-05-02 02:11:34 +02:00
Mikael Gerdin
e72dd1b433 8038404: Move object_iterate_mem from Space to CMS since it is only ever used by CMS 
Reviewed-by: brutisso, tschatzl, stefank
 2014-03-12 15:22:45 +01:00
Mikael Gerdin
74235d9630 8038399: Remove dead oop_iterate MemRegion variants from SharedHeap, Generation and Space classes 
Reviewed-by: tschatzl, stefank
 2014-03-06 09:08:18 +01:00
Stefan Karlsson
2a866afcdb 8034761: Remove the do_code_roots parameter from process_strong_roots 
Reviewed-by: tschatzl, mgerdin, jmasa
 2014-02-13 17:44:39 +01:00
Jesper Wilhelmsson
81ba2e32c0 8025856: Fix typos in the GC code 
Fix about 440 typos in comments in the VM code

Reviewed-by: mgerdin, tschatzl, coleenp, kmo, jcoomes
 2014-01-23 14:47:23 +01:00
Hiroshi Yamauchi
6060a2999c 6412968: CMS Long initial mark pauses 
Reviewed-by: rasbold, tschatzl, jmasa
 2013-07-25 11:07:23 -07:00
Hiroshi Yamauchi
5c9dbad612 6990419: CMS Remaining work for 6572569: consistently skewed work distribution in (long) re-mark pauses 
Reviewed-by: rasbold, tschatzl, jmasa
 2013-07-23 09:49:11 -07:00
Jiangli Zhou
b454ece6d7 7133260: AllocationProfiler uses space in metadata and doesn't seem to do anything useful 
Remove -Xaprof and Klass::_alloc_count & ArrayKlass::_alloc_size.

Reviewed-by: stefank, coleenp
 2013-07-03 17:26:59 -04:00
Staffan Larsen
718f3252f6 8005849: JEP 167: Event-Based JVM Tracing 
Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com>
Co-authored-by: Bengt Rutisson <bengt.rutisson@oracle.com>
Co-authored-by: Calvin Cheung <calvin.cheung@oracle.com>
Co-authored-by: Erik Gahlin <erik.gahlin@oracle.com>
Co-authored-by: Erik Helin <erik.helin@oracle.com>
Co-authored-by: Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>
Co-authored-by: Keith McGuigan <keith.mcguigan@oracle.com>
Co-authored-by: Mattias Tobiasson <mattias.tobiasson@oracle.com>
Co-authored-by: Markus Gronlund <markus.gronlund@oracle.com>
Co-authored-by: Mikael Auno <mikael.auno@oracle.com>
Co-authored-by: Nils Eliasson <nils.eliasson@oracle.com>
Co-authored-by: Nils Loodin <nils.loodin@oracle.com>
Co-authored-by: Rickard Backman <rickard.backman@oracle.com>
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
Reviewed-by: acorn, coleenp, sla
 2013-06-10 11:30:51 +02:00
Erik Helin
0f9e2457c5 8014277: Remove ObjectClosure as base class for BoolObjectClosure 
Reviewed-by: brutisso, tschatzl
 2013-05-17 11:57:05 +02:00
Jon Masamitsu
bbff951f67 8013184: CMS: Call reset_after_compaction() only if a compaction has been done 
Reviewed-by: mgerdin, johnc, tschatzl
 2013-05-08 17:12:52 -07:00
Stefan Karlsson
f0ae855b07 8013132: Add a flag to turn off the output of the verbose verification code 
Reviewed-by: johnc, brutisso
 2013-04-24 20:13:37 +02:00
Stefan Karlsson
e96efdaa1a 8011872: Include Bit Map addresses in the hs_err files 
Reviewed-by: brutisso, jmasa
 2013-04-10 14:26:49 +02:00
Jon Masamitsu
fabb8c6e25 8008508: CMS does not correctly reduce heap size after a Full GC 
Reviewed-by: johnc, ysr
 2013-02-11 10:31:56 -08:00
Jesper Wilhelmsson
2c17d50a8b 8006432: Ratio flags should be unsigned 
Flags changed to be of uintx type

Reviewed-by: johnc, tamao
 2013-02-07 15:51:25 +01:00
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
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
Bengt Rutisson
eba9965d54 7166894: Add gc cause to GC logging for all collectors 
Reviewed-by: mgerdin, johnc
 2012-05-15 10:25:06 +02:00
Coleen Phillimore
f5558edf7b 7131629: Generalize the CMS free list code 
Make the FreeChunk, FreeList, TreeList, and BinaryTreeDictionary classes usable outside CMS.

Reviewed-by: brutisso, johnc, jwilhelm
 2012-03-29 19:46:24 -07:00
Bengt Rutisson
f695b75d78 4988100: oop_verify_old_oop appears to be dead 
Removed oop_verify_old_oop and allow_dirty. Also reviewed by: alexlamsl@gmail.com

Reviewed-by: jmasa, jwilhelm
 2012-04-16 08:57:18 +02:00
Krystal Mok
24e8905fdf 7072527: CMS: JMM GC counters overcount in some cases 
Avoid overcounting when CMS has concurrent mode failure.

Reviewed-by: ysr
 2011-08-02 14:37:35 +01:00
Y. Srinivas Ramakrishna
ed15a87975 7042740: CMS: assert(n> q) failed: Looping at: ... blockOffsetTable.cpp:557 
Do a one-step look-ahead, when sweeping free or garbage blocks, to avoid overstepping sweep limit, which may become a non-block-boundary because of a heap expansion delta coalescing with a previously co-terminal free block.

Reviewed-by: brutisso, tonyp
 2011-05-23 16:42:14 -07:00
Frederic Parain
b38843c8d9 7036199: Adding a notification to the implementation of GarbageCollectorMXBeans 
Add a notification to the GarbageCollectorMXBeans

Reviewed-by: acorn, mchung
 2011-05-12 10:30:11 -07:00
Y. Srinivas Ramakrishna
b4b287e7ac 6668573: CMS: reference processing crash if ParallelCMSThreads > ParallelGCThreads 
Use _max_num_q = max(discovery_degree, processing_degree), and let balance_queues() redistribute from discovery_degree to processing_degree of queues. This should also allow a more dynamic and flexible parallelism policy in the future.

Reviewed-by: jmasa, johnc
 2011-03-17 10:32:46 -07:00
Y. Srinivas Ramakrishna
d921d72f20 7008136: CMS: assert((HeapWord*)nextChunk <= _limit) failed: sweep invariant 
The recorded _sweep_limit may not necessarily remain a block boundary as the old generation expands during a concurrent cycle. Terminal actions inside the sweep closure need to be aware of this as they cross over the limit.

Reviewed-by: johnc, minqi
 2011-01-06 23:50:02 -08:00
Stefan Karlsson
8006fe8f75 6989984: Use standard include model for Hospot 
Replaced MakeDeps and the includeDB files with more standardized solutions.

Reviewed-by: coleenp, kvn, kamg
 2010-11-23 13:22:55 -08:00
Y. Srinivas Ramakrishna
cbc7f8756a 6896603: CMS/GCH: collection_attempt_is_safe() ergo should use more recent data 
Deprecated HandlePromotionFailure, removing the ability to turn off that feature, did away with one epoch look-ahead when deciding if a scavenge is likely to fail, relying on current data.

Reviewed-by: jmasa, johnc, poonam
 2010-10-23 23:03:49 -07:00
John Coomes
1cdd538ea5 6423256: GC stacks should use a better data structure 
6942771: SEGV in ParScanThreadState::take_from_overflow_stack

Reviewed-by: apetrusenko, ysr, pbk
 2010-09-28 15:56:15 -07:00
Jon Masamitsu
28e56b8970 6984287: Regularize how GC parallel workers are specified 
Associate number of GC workers with the workgang as opposed to the task.

Reviewed-by: johnc, ysr
 2010-09-20 14:38:38 -07:00
Y. Srinivas Ramakrishna
23ee6aa5f6 6910183: CMS: assert(_index < capacity(),"_index out of bounds") 
Weakened a too-strong, off-by-one assert; added code to keep track of and report any overflows at appropriate level of verbosity.

Reviewed-by: jcoomes, tonyp
 2010-08-23 17:51:10 -07:00