Staffan Friberg
04bdb774e1
8064473: Improved handling of age during object copy in G1
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Reviewed-by: brutisso, tschatzl
2014-11-14 15:03:39 +01:00
Kim Barrett
8f8d87ece5
8061748: Remove check_ct_logs_at_safepoint()
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Remove unused function and related closure class
Reviewed-by: jwilhelm, mgerdin
2014-10-23 16:19:32 -04:00
Erik Helin
3a3e45ab40
8061630: G1 iterates over JNIHandles two times
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Reviewed-by: mgerdin, brutisso
2014-10-23 11:43:29 +02:00
Marcus Larsson
46e9fb5176
6979279: remove special-case code for ParallelGCThreads==0
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Reviewed-by: jwilhelm, brutisso, kbarrett
2014-10-21 11:57:22 +02:00
Stefan Johansson
bd227a9bac
8058568: GC cleanup phase can cause G1 skipping a System.gc()
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Marking G1 FullGC as a _full collection and passing down the correct before count.
Reviewed-by: brutisso, mgerdin
2014-10-20 10:18:17 +02:00
Stefan Karlsson
d410f19961
8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
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Reviewed-by: mgerdin, coleenp, bdelsart
2014-10-02 10:55:36 +02:00
Sangheon Kim
8d288ccc54
8027428: Different conditions for printing taskqueue statistics for parallel gc, parNew and G1
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Changed flag names for printing taskqueue and termination statistics for parallel gc, parNew and G1.
Reviewed-by: jwilhelm, brutisso, tschatzl
2014-10-14 20:58:43 +02:00
Sangheon Kim
3f18eda414
8058801: G1TraceReclaimDeadHumongousObjectsAtYoungGC only prints humongous object liveness output when there is at least one candidate humongous object
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If G1TraceReclaimDeadHumongousObjectsAtYoungGC is enabled, always print humongous object liveness output.
Reviewed-by: tschatzl
2014-10-10 12:15:51 +02:00
Thomas Schatzl
60f3ade82b
8059758: Footprint regressions with JDK-8038423
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Changes in JDK-8038423 always initialize (zero out) virtual memory used for auxiliary data structures. This causes a footprint regression for G1 in startup benchmarks. This is because they do not touch that memory at all, so the operating system does not actually commit these pages. The fix is to, if the initialization value of the data structures matches the default value of just committed memory (=0), do not do anything.
Reviewed-by: jwilhelm, brutisso
2014-10-09 11:40:11 +02:00
Marcus Larsson
6d1c35615a
8058298: Separate heap region iterator claim values from the data structures iterated over
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Reviewed-by: tschatzl, brutisso
2014-10-07 14:54:53 +02:00
Stefan Johansson
18eb46eb95
8059466: Force young GC to initiate marking cycle when stat update is requested
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Enable yc to be forced for stat update.
Reviewed-by: mgerdin, jcoomes
2014-10-06 10:11:13 +02:00
Jesper Wilhelmsson
f9b921bd25
Merge
2014-09-22 16:22:21 +02:00
Antonios Printezis
da5afa76ab
8058495: G1: normalize names for isHumongous() and friends
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Reviewed-by: tschatzl, brutisso
2014-09-23 11:43:24 +02:00
Niclas Adlertz
37c8ef911c
Merge
2014-09-19 17:14:13 +02:00
Tobias Hartmann
cd01de591a
8015774: Add support for multiple code heaps
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Support for segmentation of the code cache. Separate code heaps are created and used to store code of different types.
Reviewed-by: kvn, iveresov, roland, anoll, egahlin, sla
2014-09-17 08:00:07 +02:00
Thomas Schatzl
adf66602a0
8052172: Evacuation failure handling in G1 does not evacuate all objects if -XX:-G1DeferredRSUpdate is set
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Remove -XX:-G1DeferredRSUpdate functionality as it is racy. During evacuation failure handling, threads where evacuation failure handling occurred may try to add remembered sets to regions which remembered sets are currently being scanned. The iterator to handle the remembered set scan does not support addition of entries during scan and so may skip valid references.
Reviewed-by: iveresov, brutisso, mgerdin
2014-09-16 10:28:15 +02:00
John Coomes
40155ae18d
8057818: collect allocation context statistics at gc pauses
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Reviewed-by: mikael, jmasa
2014-09-10 13:01:13 -07:00
Stefan Johansson
f8137659f5
8057536: Refactor G1 to allow context specific allocations
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Splitting out a g1 allocator class to simply specialized allocators which can associate each allocation with a given context.
Reviewed-by: mgerdin, brutisso
2014-09-05 09:49:19 +02:00
Marcus Larsson
f6ab247c45
8055091: CollectedHeap::_reserved usage should be cleaned up
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Added an initialization function for _reserved.
Reviewed-by: mgerdin, jwilhelm
2014-09-18 12:45:45 +02:00
Mikael Gerdin
10379e7e82
8048268: G1 Code Root Migration performs poorly
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Replace G1CodeRootSet with a Hashtable based implementation, merge Code Root Migration phase into Code Root Scanning
Reviewed-by: jmasa, brutisso, tschatzl
2014-08-29 13:12:21 +02:00
Thomas Schatzl
9086b5795f
8054819: Rename HeapRegionSeq to HeapRegionManager
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Reviewed-by: jwilhelm, jmasa
2014-08-26 09:36:53 +02:00
Stefan Karlsson
2bf343ea50
8055416: Several vm/gc/heap/summary "After GC" events emitted for the same GC ID
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Reviewed-by: brutisso, ehelin
2014-08-25 09:10:13 +02:00
Leonid Mesnik
6715fc0bed
8055098: WB API should be extended to provide information about size and age of object
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Extend the WhiteBox API to provide information about the size and age of objects. Further add a mechanism to trigger a young GC.
Reviewed-by: tschatzl, sjohanss
2014-08-21 16:44:41 +02:00
Thomas Schatzl
100e51a339
8038423: G1: Decommit memory within heap
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Allow G1 to decommit memory of arbitrary regions within the heap and their associated auxiliary data structures card table, BOT, hot card cache, and mark bitmaps.
Reviewed-by: mgerdin, brutisso, jwilhelm
2014-08-19 14:09:10 +02:00
Poonam Bajaj
2617d54723
8044406: JVM crash with JDK8 (build 1.8.0-b132) with G1 GC
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Fill the last card that has been allocated into with a dummy object
Reviewed-by: tschatzl, mgerdin
2014-08-18 19:30:24 -07:00
Thomas Schatzl
2ee5ee89d4
8054818: Refactor HeapRegionSeq to manage heap region and auxiliary data
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Let HeapRegionSeq manage the heap region and auxiliary data to decrease the amount of responsibilities of G1CollectedHeap, and encapsulate this work from other code.
Reviewed-by: jwilhelm, jmasa, mgerdin, brutisso
2014-08-18 16:10:44 +02:00
Thomas Schatzl
94d0494b27
8054341: Remove some obsolete code in G1CollectedHeap class
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Remove dead code.
Reviewed-by: stefank, brutisso
2014-08-07 22:28:53 +02:00
Stefan Karlsson
ef47f5dc0e
8048269: Add flag to turn off class unloading after G1 concurrent mark
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Added -XX:+/-ClassUnloadingWithConcurrentMark
Reviewed-by: jmasa, brutisso, mgerdin
2014-08-06 09:55:16 +02:00
Thomas Schatzl
a959c0971e
8051973: Eager reclaim leaves marks of marked but reclaimed objects on the next bitmap
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Eager reclaim also needs to clear marks of eagerly reclaimed regions if they have already been marked during concurrent mark.
Reviewed-by: jmasa
2014-07-31 09:23:24 +02:00
Thomas Schatzl
f161bd6d16
8027959: Early reclamation of large objects in G1
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Try to reclaim humongous objects at every young collection after doing a conservative estimate of its liveness.
Reviewed-by: brutisso, mgerdin
2014-07-23 09:03:32 +02:00
Thomas Schatzl
bc56e061ec
8048112: G1 Full GC needs to support the case when the very first region is not available
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Refactor preparation for compaction during Full GC so that it lazily initializes the first compaction point. This also avoids problems later when the first region may not be committed. Also reviewed by K. Barrett.
Reviewed-by: brutisso
2014-07-21 10:00:31 +02:00
Antonios Printezis
a2984b6c88
8057768: Make heap region region type in G1 HeapRegion explicit
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Reviewed-by: brutisso, tschatzl
2014-09-15 12:19:31 +02:00
Antonios Printezis
b9d46eee2c
8057799: Unnecessary NULL check in G1KeepAliveClosure
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Reviewed-by: tschatzl, stefank
2014-09-10 11:55:33 +02:00
Erik Helin
b77bc85799
8049426: Minor cleanups after G1 class unloading
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Reviewed-by: stefank, brutisso
2014-07-09 16:44:30 +02:00
Stefan Karlsson
1b001a2afd
8049421: G1 Class Unloading after completing a concurrent mark cycle
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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
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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
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Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov
2014-07-07 10:12:40 +02:00
Thomas Schatzl
b4e0c547b8
8035401: Fix visibility of G1ParScanThreadState members
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After JDK-8035400 there were several opportunities to fix the visibility of several members of the G1ParScanThreadState class.
Reviewed-by: brutisso, mgerdin
2014-06-26 15:48:05 +02:00
Thomas Schatzl
0bd028231f
8035400: Move G1ParScanThreadState into its own files
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Extract the G1ParScanThreadState class from G1CollectedHeap.?pp into its own files.
Reviewed-by: brutisso, mgerdin
2014-06-26 15:45:07 +02:00
Mikael Gerdin
83303777f7
8047821: G1 Does not use the save_marks functionality as intended
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Rename save_marks to record_top_and_timestamp and remove som unused but related methods
Reviewed-by: stefank, ehelin
2014-06-26 10:00:00 +02:00
Stefan Karlsson
24fcad36b4
8047323: Remove unused _copy_metadata_obj_cl in G1CopyingKeepAliveClosure
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Reviewed-by: mgerdin, tschatzl
2014-06-25 08:28:01 +02:00
Per Lidén
d0e17d1ff0
8046231: G1: Code root location ... from nmethod ... not in strong code roots for region
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Reviewed-by: tschatzl, ehelin
2014-06-23 16:43:41 +02:00
Goetz Lindenmaier
8e7c8f1d88
8044775: Improve usage of umbrella header atomic.inline.hpp
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Reviewed-by: stefank, kvn
2014-06-04 11:56:44 +02:00
Bengt Rutisson
9672a26d51
8043607: Add a GC id as a log decoration similar to PrintGCTimeStamps
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Reviewed-by: jwilhelm, ehelin, tschatzl
2014-06-19 13:31:14 +02:00
Per Lidén
5e1811cd0e
8044796: G1: Enable G1CollectedHeap::stop()
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Reviewed-by: brutisso, sjohanss
2014-06-13 13:46:06 +02:00
Jesper Wilhelmsson
ded8b863dd
8042298: Remove the names gen0 and gen1 from the GC code
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Renamed gen0 and gen1 to young and old throughout the GC code.
Reviewed-by: sjohanss, jcoomes
2014-05-02 02:11:34 +02:00
Per Lidén
9c1843a7c3
8044768: Backout fix for JDK-8040807
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Reviewed-by: brutisso, ehelin
2014-06-04 14:16:20 +02:00
Bengt Rutisson
f013a5db3b
Merge
2014-06-03 09:34:04 +00:00
Bengt Rutisson
426151a22e
8043239: G1: Missing post barrier in processing of j.l.ref.Reference objects
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Removed all write barriers during reference processing and added explicit write barriers when iterating through the discovered list.
Reviewed-by: pliden, jmasa, tschatzl
2014-06-03 10:44:36 +02:00
Per Lidén
2652623308
8040807: G1: Enable G1CollectedHeap::stop()
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Reviewed-by: brutisso, jmasa, tschatzl
2014-06-03 10:37:46 +02:00
