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759 Commits

Author SHA1 Message Date
Bengt Rutisson
fd46a24a3e 8076076: Move SharedHeap::print_size_transition() into G1 code 
Reviewed-by: tschatzl, mgerdin
 2015-03-27 09:28:47 +01:00
Stefan Karlsson
ba1d121fe0 8075957: Reduce calls to the GC specific object visitors in oopDesc 
Reviewed-by: brutisso, mgerdin, pliden
 2015-03-26 11:28:19 +01:00
Stefan Karlsson
0c57e77d43 8075803: Fix GC includes and forward declarations 
Reviewed-by: pliden, mgerdin
 2015-03-24 11:21:21 +01:00
Jesper Wilhelmsson
5f5b27baba Merge 2015-03-23 22:08:14 +01:00
Zoltan Majo
379e3d6fb6 Merge 2015-03-19 18:01:39 +01:00
Coleen Phillimore
57f3125882 Merge 2015-03-13 18:59:41 +00:00
Coleen Phillimore
7b384c6958 8061205: MetadataOnStackMark only needs to walk code cache during class redefinition 
Only do full metadata walk during class redefinition and only walk handles during class unloading.

Reviewed-by: sspitsyn, stefank
 2015-03-13 12:40:39 -04:00
Sangheon Kim
1a4c355bbc 8073654: Marking statistics should use size_t 
Change data type from int to size_t to avoid overflows

Reviewed-by: jwilhelm, drwhite, tschatzl
 2015-03-09 09:30:16 -07:00
Jesper Wilhelmsson
c1bc0a31b2 8074459: Flags handling memory sizes should be of type size_t 
Changed the type to size_t for flags that handles memory sizes

Reviewed-by: kbarrett, tschatzl
 2015-03-03 18:01:27 +01:00
Thomas Schatzl
2d22f2780c 8073466: Remove buffer retaining functionality and clean up in ParGCAllocBuffer 
Reviewed-by: jmasa, kbarrett
 2015-03-03 12:38:42 +01:00
Bengt Rutisson
8c7781ec72 8027962: Per-phase timing measurements for strong roots processing 
Reviewed-by: tschatzl, ecaspole
 2015-03-19 15:25:54 +01:00
Kim Barrett
40d3986051 8069016: Add BarrierSet downcast support 
Add FakeRttiSupport utility and use to provide barrier_set_cast.

Reviewed-by: jmasa, sangheki
 2015-02-27 19:52:48 -05:00
Goetz Lindenmaier
a7edf52a02 8073315: Enable gcc -Wtype-limits and fix upcoming issues 
Relevant fixes in blockOffsetTable.cpp, os_linux.cpp, parCardTableModRefBS.cpp.

Reviewed-by: jwilhelm, kbarrett, simonis
 2015-02-16 14:07:36 +01:00
Erik Helin
be4035c60a 8030646: track collection set membership in one place 
Reviewed-by: tschatzl, jwilhelm
 2015-01-26 10:32:35 +01:00
Staffan Friberg
67fddc10a6 8031538: G1 eden usage is sometimes higher than target eden (printed Eden size) 
When recalculating the number of target eden size, correctly consider the amount of existing eden regions in the target calculation.

Reviewed-by: tschatzl
 2015-03-06 09:07:33 +01:00
David Lindholm
8fe1e48f0c 8073545: Use shorter and more descriptive names for GC worker threads 
Reviewed-by: ehelin, jwilhelm
 2015-03-05 16:43:26 +01:00
Thomas Schatzl
cb05b8a496 8058446: G1 Hot card cache should use ArrayAllocator to allocate the cache array 
Allocate large hot card caches using OS functions instead of the C heap to avoid native memory exhaustion.

Reviewed-by: mgerdin, jwilhelm
 2015-02-20 16:07:12 +01:00
Mikael Gerdin
f5292016ee 8075210: Refactor strong root processing in order to allow G1 to evolve separately from GenCollectedHeap 
Create a G1RootProcessor and move SharedHeap root processing to GenCollectedHeap

Reviewed-by: brutisso, tschatzl, ehelin
 2014-12-01 15:24:56 +01:00
Stefan Karlsson
28adfbf0be 8075249: Cleanup forward_to_atomic and ClaimedForwardPtr 
Reviewed-by: kbarrett, brutisso
 2015-03-17 15:53:55 +01:00
Stefan Karlsson
366bf9ff09 8075247: Cleanup specialized_oop_closures.hpp 
Reviewed-by: mgerdin, brutisso, tschatzl
 2015-03-17 14:18:52 +01:00
Stefan Karlsson
426a345fec 8075242: Remove SpecializationStats 
Reviewed-by: brutisso, mgerdin
 2015-03-17 13:23:49 +01:00
Andrey Zakharov
9272128a46 8061715: gc/g1/TestShrinkAuxiliaryData15.java fails with java.lang.RuntimeException: heap decommit failed - after > before 
Added WhiteBox methods to count regions and exact aux data sizes

Reviewed-by: tschatzl, jwilhelm, mgerdin
 2015-03-16 17:51:28 +03:00
David Lindholm
bcf9ea6cbf 8073463: G1 does not mangle freed heap regions 
Reviewed-by: mgerdin, jwilhelm
 2015-03-12 14:09:36 +01:00
Bengt Rutisson
395543dadc 8074037: Refactor the G1GCPhaseTime logging to make it easier to add new phases 
Reviewed-by: tschatzl, mgerdin, ecaspole
 2015-03-12 10:11:20 +01:00
Stefan Karlsson
4913ad5d7d 8072911: Remove includes of oop.inline.hpp from .hpp files 
Reviewed-by: brutisso, coleenp, jwilhelm, simonis, dholmes
 2015-02-13 14:37:35 +01:00
Stefan Karlsson
c132a5a0a5 8072910: Move the g1EvacFailure.hpp implementation to g1EvacFailure.cpp 
Reviewed-by: jwilhelm, tschatzl
 2015-02-10 17:16:17 +01:00
Marcus Larsson
71cfff7df1 8066771: Refactor VM GC operations caused by allocation failure 
Reviewed-by: brutisso, jmasa
 2015-02-13 10:31:52 +01:00
Marcus Larsson
7727fe0044 8072621: Clean up around VM_GC_Operations 
Reviewed-by: brutisso, jmasa
 2015-02-13 09:48:49 +01:00
Stefan Johansson
dc5a35154d 8069034: gc/g1/TestEagerReclaimHumongousRegionsClearMarkBits.java nightly failure 
When checking for humongous objects to reclaim, we dirty cards that might belong to freed regions. Fixed by checking the region before dirtying.

Reviewed-by: tschatzl, brutisso
 2015-02-03 15:50:06 +01:00
Thomas Schatzl
ba4a04aa05 8069760: When iterating over a card, G1 often iterates over much more references than are contained in the card 
Properly bound the iteration work for objArray-oops.

Reviewed-by: mgerdin, kbarrett
 2015-02-02 10:38:39 +01:00
Kim Barrett
1a1ddd0d4b 8068942: Improve validation of -XX:G1ConfidencePercent value 
Validate during argument processing and simplify usage by assuming validated.

Reviewed-by: jmasa, tschatzl
 2015-01-29 00:08:38 -05:00
Claes Redestad
155c09ca6b 8069273: Decrease Hot Card Cache Lock contention 
Reviewed-by: tschatzl, mgerdin
 2015-01-29 15:05:25 +01:00
Joseph Provino
3bd08574dc 8064947: Clean up BarrierSet ctor/dtor 
Make abstract base call contructors protected and require a "kind" argument.

Reviewed-by: jmasa, jwilhelm
 2015-01-27 13:50:31 -05:00
Alejandro Murillo
bbd13b5561 Merge 2015-01-22 22:42:31 -08:00
Erik Helin
759740976b 8068971: A heap region being cleared should not belong to the cset 
Reviewed-by: brutisso, tschatzl
 2015-01-16 14:43:45 +01:00
Johannes Scheerer
508b9a0a1f 8068739: G1CollectoryPolicy uses uninitialized field '_sigma' in the constructor 
Change initialization order in constructor. Remove suppression for suppression of "'this': used in base member initializer list" warning.

Reviewed-by: mgerdin, tschatzl, simonis
 2015-01-13 11:04:53 +01:00
Stefan Johansson
7a8a19d1d9 8062063: Usage of UseHugeTLBFS, UseLargePagesInMetaspace and huge SurvivorAlignmentInBytes cause crashes in CMBitMapClosure::do_bit 
Making sure committed memory is cleared when re-committed, even if using large pages.

Reviewed-by: kbarrett, tschatzl
 2015-01-12 15:24:29 +01:00
Claes Redestad
8d30377d50 8068037: Remove dead code in G1CollectedHeap 
Reviewed-by: stefank, tschatzl
 2015-01-08 14:13:03 +01:00
Thomas Schatzl
afb458ef0e 8048179: Early reclaim of large objects that are referenced by a few objects 
Push the remembered sets of large objects with few referenced into the dirty card queue at the beginning of the evacuation so that they may end up with zero remembered set entries at the end of the collection, and are potentially reclaimed. Also improve timing measurements of the early reclaim mechanism, and shorten flag names.

Reviewed-by: brutisso, jmasa, dfazunen
 2015-01-07 15:15:37 +01:00
Thomas Schatzl
52a4823950 8068018: Clean up friends of G1CollectedHeap 
Remove unnecessary friend class declaration in the G1CollectedHeap class.

Reviewed-by: jwilhelm, jmasa
 2014-12-23 15:48:32 +01:00
Kim Barrett
57198d2b63 8067499: G1SATBCardTableModRefBS should not inherit from CardTableModRefBSForCTRS 
G1SATBCardTableModRefBS inherits from CardTableModRefBS

Reviewed-by: mgerdin, brutisso, tschatzl
 2014-12-18 13:26:37 -05:00
Jesper Wilhelmsson
12797a11c0 Merge 2014-12-22 17:40:46 +00:00
Thomas Schatzl
d530b1da99 8068036: assert(is_available(index)) failed in G1 cset 
Some verification code iterated over the heap using the region mapping array. This is not allowed. Changed to use the regular iteration method with closure.

Reviewed-by: jwilhelm, brutisso
 2014-12-22 16:49:24 +01:00
Thomas Schatzl
1be86b3412 8060025: Object copy time regressions after JDK-8031323 and JDK-8057536 
Evaluate and improve object copy time by micro-optimizations and splitting out slow and fast paths aggressively.

Co-authored-by: Tony Printezis <tprintezis@twitter.com>
Reviewed-by: kbarrett, mgerdin, jmasa
 2014-12-19 09:21:06 +01:00
Jesper Wilhelmsson
dfc952b138 Merge 2014-12-18 16:15:49 +01:00
Kim Barrett
093d2698fc 8066827: Remove ReferenceProcessor::clean_up_discovered_references() 
Abandon rather than clean up discovered references.

Reviewed-by: jmasa, ysr
 2014-12-17 22:32:44 -05:00
Thomas Schatzl
c079059456 Merge 2014-12-18 11:23:18 +00:00
Thomas Schatzl
f2e110fe77 8067469: G1 ignores AlwaysPreTouch 
Factor out pretouch code of the various virtual space management classes and use them everywhere including in G1.

Reviewed-by: stefank, ehelin, dholmes
 2014-12-18 09:37:02 +01:00
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