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815 Commits

Author SHA1 Message Date
Erik Helin
c5ef624e7c Merge 2014-02-13 17:57:27 +01:00
Ioi Lam
7f138c5502 7182040: volano29 limited by os resource on Linux - need better diagnostic message 
Changed message to "unable to create native thread: possibly out of memory or process/resource limits reached"

Reviewed-by: dholmes, sla
 2014-02-11 08:43:17 -08:00
Erik Helin
4b802a6d31 Merge 2014-01-30 14:01:45 +01:00
Jesper Wilhelmsson
5301534dc3 8028391: Make the Min/MaxHeapFreeRatio flags manageable 
Made the flags Min- and MaxHeapFreeRatio manageable, and implemented support for these flags in ParallalGC.

Reviewed-by: sla, mgerdin, brutisso
 2014-01-29 23:17:05 +01:00
Harold Seigel
9aea544943 Merge 2014-01-19 20:23:46 -05:00
Staffan Larsen
b35fb5f8c0 8030812: Change the solaris DTrace implementation to use USDT2 instead of USDT1 
Reviewed-by: coleenp, sspitsyn, dsamersoff
 2014-01-16 20:14:21 +01:00
Stefan Johansson
a23ee6de8d 8031686: G1: assert(_hrs.max_length() == _expansion_regions) failed 
Using pointer_delta to avoid overflowing pointer calculation.

Reviewed-by: jmasa, tschatzl
 2014-01-20 10:55:54 +01:00
Bengt Rutisson
9b29efeb63 8030177: G1: Enable TLAB resizing 
Reviewed-by: tschatzl, stefank, jmasa
 2014-01-27 13:14:53 +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
Mikael Gerdin
4c7c3f0613 8032379: Remove the is_scavenging flag to process_strong_roots 
Refactor the strong root processing to avoid using a boolean in addition to the ScanOption enum.

Reviewed-by: stefank, tschatzl, ehelin, jmasa
 2014-01-14 16:40:33 +01:00
Stefan Johansson
8ce7c46ec7 8020277: Young GC could be extremely slow due to assertion in ObjectStartArray::object_starts_in_range 
8009462: Young GC's (ParNewGC and SerialGC) have unexpected variances

Removed the assertion slowing down GC.

Reviewed-by: stefank, mgerdin
 2014-01-20 12:56:18 +01:00
Erik Helin
ba54cfdf88 8031776: Remove the unnecessary enum GenRemSet::Name 
Reviewed-by: stefank, tschatzl, jwilhelm
 2014-01-20 17:15:55 +01:00
Thomas Schatzl
70fd1802a0 8027746: Remove do_gen_barrier template parameter in G1ParCopyClosure 
Remove the above mentioned template parameter and related unused code. Also remove some classes that are never used.

Reviewed-by: stefank, mgerdin, jwilhelm
 2014-01-20 11:47:53 +01:00
Thomas Schatzl
aeba3a8119 8027454: Do not traverse string table during G1 remark when treating them as strong roots during initial mark 
Do not try to unlink string table entries unconditionally during remark. This is without side effects as the preceding initial mark always uses the string table as strong roots. Needs to be fixed with class unloading during concurrent mark.

Reviewed-by: brutisso, mgerdin
 2014-01-20 11:47:29 +01:00
Thomas Schatzl
4bb3631855 8027476: Improve performance of Stringtable unlink 
8027455: Improve symbol table scan times during gc pauses

Parallelize string table and symbol table scan during remark and full GC. Some additional statistics output if the experimental flag G1TraceStringSymbolTableScrubbing is set.

Reviewed-by: mgerdin, coleenp, brutisso
 2014-01-20 11:47:07 +01:00
Erik Helin
e962dec4b7 Merge 2014-01-14 14:26:43 +01:00
Morris Meyer
a665235538 Merge 2014-01-10 12:54:08 -08:00
Per Lidén
ca035a4040 8029162: G1: Shared SATB queue never enabled 
Reviewed-by: brutisso, mgerdin, tschatzl
 2014-01-10 09:54:25 +01:00
Jeremy Manson
66b65f9f88 8027364: PSScavenge accounts too large code section to StringTable unlink 
Correct timing measurement by modifying the scope of the GCTraceTime instance.

Reviewed-by: ysr, tamao
 2014-01-07 13:31:33 +01:00
Mikael Vidstedt
a0da47fd66 8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013 
Copyright year updated for files modified during 2013

Reviewed-by: twisti, iveresov
 2013-12-24 11:48:39 -08:00
Bengt Rutisson
810bc0c558 8029524: Remove unsused method CollectedHeap::unsafe_max_alloc() 
Reviewed-by: pliden, jmasa
 2013-12-16 08:54:14 +01:00
Jesper Wilhelmsson
40ba2bba2c 8026849: Fix typos in the GC code, part 2 
Fixed typos in assert messages, flag descriptions and verbose messages

Reviewed-by: stefank, tschatzl
 2013-12-10 15:11:02 +01:00
Stefan Karlsson
5d460f1f3d 8033923: Use BufferingOopClosure for G1 code root scanning 
Reviewed-by: mgerdin, brutisso
 2014-02-10 12:58:09 +01:00
Stefan Karlsson
a26a6715b0 8033764: Remove the usage of StarTask from BufferingOopClosure 
Reviewed-by: mgerdin, brutisso, tschatzl
 2014-02-10 12:51:51 +01:00
Bengt Rutisson
980e57c6c4 8033922: G1: Back out 8033601 and go back to use the to-obj for chunked arrays 
Reviewed-by: stefank, tschatzl
 2014-02-07 13:48:07 +01:00
Per Lidén
0a63fe1c10 8031703: Missing post-barrier in ReferenceProcessor 
Reviewed-by: tonyp, tschatzl
 2014-02-06 14:12:43 +01:00
Thomas Schatzl
a81e7a52fc 8033443: Test8000311 fails after latest changes to parallelize string and symbol table unlink 
When string and symbol table unlink are not performed in parallel, the claim index we check is not updated, and so a guarantee fails. Take this into account when checking the guarantee.

Reviewed-by: brutisso, jwilhelm
 2014-02-05 14:29:34 +01:00
Antonios Printezis
170566f471 8033601: G1: Make array chunking use the same length field as the other young GCs 
Use the old copy length instead of the length of the forwarded object for chunked arrays.

Reviewed-by: brutisso, tschatzl
 2014-02-05 12:47:48 +01:00
Erik Helin
d52699c497 Merge 2014-02-03 10:49:49 +01:00
Thomas Schatzl
58f7d4c7e5 8033106: Wrong predicate for checking whether the correct amount of symbol table entries have been processed in G1 
The change fixes the predicate check.

Reviewed-by: jmasa, tonyp, stefank
 2014-01-31 09:58:06 +01:00
Thomas Schatzl
90c553c06f 6991197: G1: specialize deal_with_reference() for narrowOop* 
Clean up and slightly optimize reference handling from the GC reference task queue. Since we never push partial array chunks as narrowOop* we can manually specialize the code so that some code can be optimized away.

Reviewed-by: tonyp, brutisso, stefank
 2014-01-31 09:57:50 +01:00
Stefan Johansson
5f4d0e9c25 8028993: Full collections with ParallelScavenge slower in JDK 8 compared to 7u40 
Reducing the number of calls to follow_class_loader to speed up the marking phase. Also removed some unnecessary calls to adjust_klass.

Reviewed-by: stefank, jmasa, mgerdin
 2013-12-10 10:31:00 +01:00
Erik Helin
5d5b1157d1 8029326: G1 does not check if threads gets created 
Reviewed-by: brutisso, jmasa, jwilhelm
 2013-12-09 08:20:45 +01:00
Erik Helin
aba1a79d81 Merge 2013-12-02 15:43:04 +01:00
Stefan Johansson
22478ae2e0 8027675: Full collections with Serial slower in JDK 8 compared to 7u40 
Reduced the number of calls to follow_class_loader and instead marked and pushed the klass holder directly. Also removed unneeded calls to adjust_klass.

Reviewed-by: coleenp, jmasa, mgerdin, tschatzl
 2013-11-26 14:35:38 +01:00
Markus Grönlund
b1e3461fe5 8028128: Add a type safe alternative for working with counter based data 
Reviewed-by: dholmes, egahlin
 2013-11-23 12:25:13 +01:00
Stefan Johansson
10847a8fd1 8027960: Assertion assert(end >= start) failed during nightly testing on solaris 
Needed to update _space_alignment in generation sizer to ensure correct sizing of spaces.

Reviewed-by: jmasa, tschatzl
 2013-11-08 17:46:53 +01:00
Jon Masamitsu
e2ef3e89e7 8024483: assertion failure: (!mirror_alive || loader_alive) failed: 
Reviewed-by: brutisso, tschatzl, mgerdin
 2013-11-08 06:14:21 -08:00
Jungwoo Ha
e9f0b9af4a 8024954: CMS: CMSClassUnloadingMaxInterval is not implemented correctly. This change is also part of the fix for 8024483 
Reviewed-by: mgerdin, brutisso, tschatzl
 2013-10-16 15:14:37 -07:00
Thomas Schatzl
6f46da6198 8027756: assert(!hr->isHumongous()) failed: code root in humongous region? 
Change checks for isHumongous() to continuesHumongous() as installing a code root for a humongous object is valid, but not for continuations of humongous objects. Cleaned up asserts.

Reviewed-by: jmasa, tamao
 2013-11-07 15:17:10 +01:00
Jesper Wilhelmsson
0fa3a71c8a 8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking 
7057939: jmap shows MaxNewSize=4GB when Java is using parallel collector

Major cleanup of the collectorpolicy classes

Reviewed-by: tschatzl, jcoomes
 2013-11-01 17:09:38 +01:00
Jesper Wilhelmsson
9705a6e3f9 8026853: Prepare GC code for collector policy regression fix 
Cleanup related to the NewSize and MaxNewSize bugs

Reviewed-by: tschatzl, jcoomes, ehelin
 2013-10-21 18:56:20 +02:00
Jesper Wilhelmsson
1123a5596c 8026851: Remove unnecessary code in GenRemSet 
Removed the GenRemSet::rem_set_name() since we only have one remset.

Reviewed-by: stefank, mgerdin, tschatzl
 2013-10-21 18:51:37 +02:00
Axel Siebenborn
13418d4800 8025728: Missing volatile specifier for field G1AllocRegion::_alloc_region 
The field G1AllocRegion::_alloc_region needs to be declared volatile as it is used with that intention. Otherwise the compiler may generate the code that reloads the value which might have changed in the meantime, leading to spurious crashes.

Reviewed-by: iveresov, simonis, tschatzl
 2013-10-23 10:23:06 +02:00
Stefan Johansson
d46d24b7d4 8026848: -XX:+G1SummarizeRSetStats can result in wrong exit code and crash 
Changed the use of %d to SIZE_FORMAT macro in format string when printing size_t values.

Reviewed-by: stefank, ehelin
 2013-10-22 11:50:12 +02:00
Jon Masamitsu
b49c59f608 8025635: SoftReferences are not cleared before metaspace OOME are thrown 
Reviewed-by: jcoomes, tamao, tschatzl, stefank
 2013-10-17 06:29:58 -07:00
Jesper Wilhelmsson
588c91b042 8023643: G1 assert failed when NewSize was specified greater than MaxNewSize 
Exit with an error if incompatible NewSize and MaxNeSize are set

Reviewed-by: brutisso, tschatzl
 2013-10-12 00:49:19 +02:00
John Coomes
e61cbf8d69 Merge 2013-10-11 08:27:21 -07:00
Stefan Karlsson
55cbe80300 8024547: MaxMetaspaceSize should limit the committed memory used by the metaspaces 
Reviewed-by: brutisso, jmasa, coleenp
 2013-10-07 15:51:08 +02:00
Mikael Gerdin
7f3b537807 8014555: G1: Memory ordering problem with Conc refinement and card marking 
Add a StoreLoad barrier in the G1 post-barrier to fix a race with concurrent refinement. Also-reviewed-by: martin.doerr@sap.com

Reviewed-by: iveresov, tschatzl, brutisso, roland, kvn
 2013-10-08 17:35:51 +02:00