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622 Commits

Author SHA1 Message Date
Bengt Rutisson
5075c7e128 Merge 2013-08-16 09:02:36 +02:00
John Cuthbertson
f63547bf71 7145569: G1: optimize nmethods scanning 
Add a list of nmethods to the RSet for a region that contain references into the region. Skip scanning the code cache during root scanning and scan the nmethod lists during RSet scanning instead.

Reviewed-by: tschatzl, brutisso, mgerdin, twisti, kvn
 2013-08-15 10:52:18 +02:00
Bengt Rutisson
c144b8c30f 8023021: Unnecessary clearing of the card table introduced by the fix for JDK-8023013 
Reviewed-by: stefank, ehelin
 2013-08-15 10:05:50 +02:00
Bengt Rutisson
253681b976 Merge 2013-08-14 10:55:45 +02:00
Bengt Rutisson
19ba466575 8022800: Use specific generations rather than generation iteration 
Reviewed-by: jmasa, ehelin
 2013-08-14 09:02:32 +02:00
Coleen Phillimore
a25f924de6 8009728: nsk/jvmti/AttachOnDemand/attach030 crashes on Win32 
ActiveMethodOopsCache was used to keep track of old versions of some methods that are cached in Universe but is buggy with permgen removal and not needed anymore

Reviewed-by: sspitsyn, dcubed, mseledtsov
 2013-08-12 17:24:54 -04:00
Erik Helin
30f059b5fc 8015107: NPG: Use consistent naming for metaspace concepts 
Reviewed-by: coleenp, mgerdin, hseigel
 2013-08-12 17:37:02 +02:00
Erik Helin
3ea9481c2f 8014659: NPG: performance counters for compressed klass space 
Reviewed-by: mgerdin, coleenp, hseigel, jmasa, ctornqvi
 2013-08-07 16:47:32 +02:00
Daniel D. Daugherty
2c28ff340a Merge 2013-08-16 10:06:58 -07:00
Harold Seigel
4d91f4e69d 8003424: Enable Class Data Sharing for CompressedOops 
8016729: ObjectAlignmentInBytes=16 now forces the use of heap based compressed oops
8005933: The -Xshare:auto option is ignored for -server

Move klass metaspace above the heap and support CDS with compressed klass ptrs.

Reviewed-by: coleenp, kvn, mgerdin, tschatzl, stefank
 2013-08-15 20:04:10 -04:00
Tao Mao
6f445df42a Merge 2013-08-01 17:17:52 -07:00
Tao Mao
5ce100bbd1 Merge 2013-07-26 13:34:22 -07:00
Frederic Parain
b4094e9fa8 8019845: Memory leak during class redefinition 
Reviewed-by: acorn, jmasa, coleenp, dcubed, mgerdin
 2013-07-26 15:24:32 +00:00
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
Tao Mao
2e0f5d85ff Merge 2013-07-11 11:45:09 -07:00
Jiangli Zhou
be1bcb5b41 Merge 2013-07-08 14:53:52 -07:00
Ioi Lam
1958240c6f 8016903: Thread::_handle_area initial size too big 
Changed initial size to Chunk::tiny_size (216 bytes)

Reviewed-by: coleenp, dholmes, sspitsyn
 2013-07-08 10:58:48 -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
Coleen Phillimore
4ecee47075 Merge 2013-07-02 16:54:24 +02:00
Coleen Phillimore
1e7c006d39 8015391: NPG: With -XX:+UseCompressedKlassPointers OOME due to exhausted metadata space could occur when metaspace is almost empty 
Allocate medium chunks for class metaspace when class loader has lots of classes

Reviewed-by: mgerdin, jmasa
 2013-07-02 08:42:37 -04:00
Frederic Parain
0f4447e6dd Merge 2013-07-15 00:23:48 -07:00
Frederic Parain
c716fa083c 7143807: ResourceMark nesting problem in stringStream 
Reviewed-by: kvn, dcubed
 2013-07-10 15:49:15 +00:00
Rickard Bäckman
2977c8fca3 8016444: Duplicate zombie check in safe_for_sender 
Reviewed-by: dholmes, sla
 2013-06-12 09:49:42 +02:00
Daniel D. Daugherty
326b206183 Merge 2013-06-29 11:55:09 -07:00
Nils Loodin
5fe1de50f1 Merge 2013-06-28 14:05:27 +02:00
Alejandro Murillo
c2c1793452 Merge 2013-06-28 02:25:07 -07:00
Ioi Lam
8d048d554d 8016075: Win32 crash with CDS enabled and small heap size 
Fixed MetaspaceShared::is_in_shared_space

Reviewed-by: coleenp, hseigel
 2013-06-27 10:03:21 -07:00
Erik Helin
62be1fc827 Merge 2013-06-27 10:56:10 +02:00
David Katleman
dcb3a24cfc 8017323: JDK8 b95 source with GPL header errors 
Reviewed-by: tbell, darcy
 2013-06-26 11:25:42 -07:00
Erik Helin
604a75ff30 8013590: NPG: Add a memory pool MXBean for Metaspace 
Reviewed-by: jmasa, mgerdin
 2013-06-26 16:58:37 +02:00
Alejandro Murillo
2289eb801f Merge 2013-06-25 12:46:21 -07:00
Jon Masamitsu
a154f7c01e 8014546: MetaspaceAux print_metaspace_change() should print "used" after GC not capacity 
Reviewed-by: johnc, tschatzl
 2013-06-25 09:58:26 -07:00
Coleen Phillimore
39a1c1d6c2 8016325: JVM hangs verifying system dictionary 
Minimize redundant verifications of Klasses.

Reviewed-by: hseigel, jmasa
 2013-06-24 18:55:46 -04:00
Erik Helin
774e23fae7 Merge 2013-06-20 10:03:58 +02:00
Chris Hegarty
748456a6d9 Merge 2013-06-19 11:02:10 +01:00
Bengt Rutisson
3cc79df807 8016556: G1: Use ArrayAllocator for BitMaps 
Reviewed-by: tschatzl, dholmes, coleenp, johnc
 2013-06-18 22:45:32 +02:00
John Cuthbertson
5382e0759e 8015237: Parallelize string table scanning during strong root processing 
Parallelize the scanning of the intern string table by having each GC worker claim a given number of buckets. Changes were also reviewed by Per Liden <per.liden@oracle.com>.

Reviewed-by: tschatzl, stefank, twisti
 2013-06-18 12:31:07 -07:00
Chris Hegarty
ae4642e749 Merge 2013-06-17 11:17:49 +01:00
Markus Grönlund
08f43d4379 8016105: Add complementary RETURN_NULL allocation macros in allocation.hpp 
Reviewed-by: sla, rbackman
 2013-06-15 13:17:36 +02:00
Calvin Cheung
53448fdbed 8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux 
Co-authored-by: Jeremy Manson <jeremymanson@google.com>
Reviewed-by: dholmes, coleenp
 2013-06-13 22:02:40 -07:00
Daniel D. Daugherty
72a51a0c44 8013057: assert(_needs_gc || SafepointSynchronize::is_at_safepoint()) failed: only read at safepoint 
Detect mmap() commit failures in Linux and Solaris os::commit_memory() impls and call vm_exit_out_of_memory(). Add os::commit_memory_or_exit(). Also tidy up some NMT accounting and some mmap() return value checking.

Reviewed-by: zgu, stefank, dholmes, dsamersoff
 2013-06-13 11:16:38 -07:00
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
74f190f320 8015972: Refactor the sending of the object count after GC event 
Reviewed-by: brutisso, pliden
 2013-06-05 09:44:03 +02:00
Daniel D. Daugherty
54b7fa892a Merge 2013-06-01 09:28:26 -07:00
Stefan Karlsson
70f22c649b 8022880: False sharing between PSPromotionManager instances 
Pad the PSPromotionManager instances in the manager array.

Reviewed-by: brutisso, jmasa
 2013-05-31 14:32:44 +02:00
Chris Hegarty
a8432ef7c5 Merge 2013-05-31 10:27:12 +01:00
Ioi Lam
9dc36eb923 8014912: Restore PrintSharedSpaces functionality after NPG 
Added dumping of object sizes in CDS archive, sorted by MetaspaceObj::Type

Reviewed-by: coleenp, acorn
 2013-05-28 16:36:19 -07:00
Stefan Karlsson
2ccd92e927 8015268: NPG: 2.5% regression in young GC times on CRM Sales Opty 
Split SystemDictionary and ClassLoaderDataGraph root processing to help load balancing.

Reviewed-by: tschatzl, johnc
 2013-05-27 15:22:59 +02:00
Chris Hegarty
988a08a49f Merge 2013-05-23 12:44:18 +01:00