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44 Commits

Author SHA1 Message Date
Erik Helin
6f4355a3a6 8049599: MetaspaceGC::_capacity_until_GC can overflow 
Reviewed-by: jmasa, stefank
 2014-10-01 16:09:01 +02:00
Erik Helin
d072dfaf9d 8058963: CollectorPolicy::satisfy_failed_metadata_allocation can avoid some safepoints 
Reviewed-by: brutisso, mgerdin
 2014-09-29 10:38:50 +02:00
Ioi Lam
bbe6f51f81 8046070: Class Data Sharing clean up and refactoring 
Cleaned up CDS to be more configurable, maintainable and extensible

Reviewed-by: dholmes, coleenp, acorn, mchung
 2014-08-12 17:29:00 -07:00
Daniel D. Daugherty
d5b7b9ffe3 Merge 2014-06-10 20:24:48 -07:00
Staffan Larsen
8dc26f1a17 8044107: Add Diagnostic Command to list all ClassLoaders 
Reviewed-by: mgerdin, stefank
 2014-06-04 11:05:30 +02:00
Erik Helin
65cf6a8edc 8042933: assert(capacity_until_gc >= committed_bytes) failed 
Reviewed-by: stefank, jmasa
 2014-05-29 14:31:28 +02:00
Coleen Phillimore
c336175c94 8038212: Method::is_valid_method() check has performance regression impact for stackwalking 
Only prune metaspace virtual spaces at safepoint so walking them is safe outside a safepoint.

Reviewed-by: mgerdin, mgronlun, hseigel, stefank
 2014-05-15 18:23:26 -04:00
Erik Helin
977d1f7a5d 8038934: Remove prefix allocated_ from methods and variables in Metaspace 
Reviewed-by: jmasa, coleenp
 2014-03-31 17:09:38 +02:00
Erik Helin
853fffb2cb 8036703: Add trace event with statistics for the metaspace chunk free lists 
Reviewed-by: stefank, mgerdin, coleenp, egahlin
 2014-03-18 09:03:28 +01:00
Erik Helin
0a79ba6680 8036701: Add trace event when a metaspace throws out of memory error 
Reviewed-by: stefank, mgerdin
 2014-03-18 08:00:21 +01:00
Erik Helin
b533eca89d 8036699: Add trace event when a metaspace allocation fails 
Reviewed-by: jmasa, stefank
 2014-03-18 07:00:06 +01:00
Erik Helin
51584519f4 8036698: Add trace event for updates to metaspace gc threshold 
Reviewed-by: stefank, mgerdin
 2014-03-17 20:59:19 +01:00
Vladimir Kozlov
c3a0e80e0b Merge 2014-01-28 12:25:34 -08:00
Coleen Phillimore
469f290817 8029178: Parallel class loading test anonymous-simple gets SIGSEGV in Metaspace::contains 
Metaspace::contains cannot look at purged metaspaces while CMS concurrently deallocates them.

Reviewed-by: mgerdin, sspitsyn, jmasa
 2014-01-07 13:26:56 -05:00
Goetz Lindenmaier
c50c083f83 8029888: PPC64: (part 219): adl replacement variable CondRegister 
Add support for replacement variable CondRegister in adlc.

Reviewed-by: kvn
 2013-12-10 14:29:43 +01:00
Goetz Lindenmaier
7289ee4573 8028767: PPC64: (part 121): smaller shared changes needed to build C2 
Smaller shared changes required to build the C2 compiler on PPC64.

Reviewed-by: kvn
 2013-11-21 19:00:57 -08:00
Coleen Phillimore
3e6630c07b 8024927: Nashorn performance regression with CompressedOops 
Allocate compressed class space at end of Java heap.  For small heap sizes, without CDS, save some space so compressed classes can have the same favorable compression as oops

Reviewed-by: stefank, hseigel, goetz
 2013-10-25 15:19:29 -04:00
Harold Seigel
bf7f4866eb 8026822: metaspace/flags/maxMetaspaceSize throws OOM of unexpected type.java.lang.OutOfMemoryError: Compressed class space 
Incorporate chunk size when seeing if OutOfMemoryError was caused by Metaspace or Compressed class space.

Reviewed-by: stefank, coleenp
 2013-10-25 11:05:32 -04:00
Stefan Karlsson
f149d47720 8026391: The Metachunk header wastes memory 
Reviewed-by: coleenp, jmasa
 2013-10-15 14:28:51 +02:00
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
27565b7f5d 8025279: metaspace/flags/maxMetaspaceSize throws OOM: out of Compressed Klass space 
Only put "Compressed class space" as OOM cause if actually using Compressed class space

Reviewed-by: jwilhelm, stefank, ehelin, coleenp
 2013-09-27 10:23:12 +02:00
Stefan Karlsson
22272f5043 8025096: Move the ChunkManager instances out of the VirtualSpaceLists 
Reviewed-by: coleenp, mgerdin, jmasa
 2013-09-21 10:09:42 +02:00
Stefan Karlsson
8a515de48c 8024638: Count and expose the amount of committed memory in the metaspaces 
Reviewed-by: brutisso, ehelin
 2013-09-12 10:15:54 +02:00
Erik Helin
dfd2d9a574 8023476: Metaspace capacity > reserved 
Reviewed-by: stefank, hseigel, mgerdin
 2013-09-12 10:15:30 +02:00
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
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
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
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
Jon Masamitsu
c7a9104bb7 8014862: Add fast Metasapce capacity and used per MetadataType 
Reviewed-by: ehelin, stefank
 2013-05-20 22:34:24 -07:00
Jon Masamitsu
d72b516201 8008966: NPG: Inefficient Metaspace counter functions cause large young GC regressions 
Reviewed-by: mgerdin, coleenp
 2013-02-12 14:15:45 -08:00
Jon Masamitsu
e1cbb28f3f 8011268: NPG: Free unused VirtualSpaceNodes 
Reviewed-by: mgerdin, coleenp, johnc
 2013-03-01 10:19:29 -08:00
Jon Masamitsu
e8b3b89264 8005082: NPG: Add specialized Metachunk sizes for reflection and anonymous classloaders 
Reviewed-by: johnc, coleenp
 2012-12-03 15:09:39 -08:00
Stefan Karlsson
da4c36cdcb 8005108: NPG: MetaspaceAux::used_in_bytes(), capacity_in_bytes() and reserved_in_bytes() return inconsistent numbers 
Reverted the changes to these functions from JDK-8000662

Reviewed-by: brutisso, jmasa
 2012-12-18 10:40:51 +01:00
John Cuthbertson
6c0bf79f7a Merge 2012-11-30 12:01:34 -08:00
Coleen Phillimore
7aa43fc5d8 8000662: NPG: nashorn ant clean test262 out-of-memory with Java heap 
Add ClassLoaderData object for each anonymous class with metaspaces to allocate in.

Reviewed-by: twisti, jrose, stefank
 2012-11-29 16:50:29 -05:00
Coleen Phillimore
6538c5134b 8003635: NPG: AsynchGetCallTrace broken by Method* virtual call 
Make metaspace::contains be lock free and used to see if something is in metaspace, also compare Method* with vtbl pointer.

Reviewed-by: dholmes, sspitsyn, dcubed, jmasa
 2012-11-28 17:50:21 -05:00
Mikael Gerdin
14d6692461 7200229: NPG: possible performance issue exposed by closed/runtime/6559877/Test6559877.java 
Reduce the amount of calls to ChunkManager verification code

Reviewed-by: jmasa, coleenp
 2012-11-09 00:38:31 +01:00
Jon Masamitsu
37bddeb62b 7045397: NPG: Add freelists to class loader arenas 
Reviewed-by: coleenp, stefank, jprovino, ohair
 2012-09-18 23:35:42 -07:00
Roland Westrelin
61eb5a0549 7054512: Compress class pointers after perm gen removal 
Support of compress class pointers in the compilers.

Reviewed-by: kvn, twisti
 2012-10-09 10:11:38 +02:00
Jon Masamitsu
cf5f4f736f 7197557: NPG: nsk/sysdict/vm/stress/chain/chain004 hangs intermittently 
Reviewed-by: johnc, ysr
 2012-09-18 14:15:06 -07:00
Jon Masamitsu
cd5df1082a 7196298: Better fix for 7195789 
Reviewed-by: jcoomes, brutisso
 2012-09-06 07:28:30 -07:00
Jon Masamitsu
6f32be5139 7195789: NPG: assert(used + free == capacity) failed: Accounting is wrong 
Reviewed-by: coleenp, jcoomes
 2012-09-04 16:20:28 -07:00
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