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91 Commits

Author SHA1 Message Date
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
Frederic Parain
b4094e9fa8 8019845: Memory leak during class redefinition 
Reviewed-by: acorn, jmasa, coleenp, dcubed, mgerdin
 2013-07-26 15:24:32 +00:00
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
Erik Helin
604a75ff30 8013590: NPG: Add a memory pool MXBean for Metaspace 
Reviewed-by: jmasa, mgerdin
 2013-06-26 16:58:37 +02:00
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
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
Mikael Gerdin
40531b2009 8013129: Possible deadlock with Metaspace locks due to mixed usage of safepoint aware and non-safepoint aware locking 
Change Metaspace::deallocate to take lock with _no_safepoint_check_flag

Reviewed-by: coleenp, jmasa, dholmes
 2013-04-29 13:07:27 +02:00
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
7f78a7f475 8011173: NPG: Replace the ChunkList implementation with class FreeList<Metachunk> 
Reviewed-by: mgerdin, tschatzl, johnc, coleenp
 2013-04-01 10:50:30 -07:00
Daniel D. Daugherty
05b3bc59c3 Merge 2013-03-23 22:35:02 -07:00
Stefan Karlsson
2f7b91d2f5 Merge 2013-03-22 10:32:21 +01:00
Mikael Gerdin
6bec5bf02c 8004241: NPG: Metaspace occupies more memory than specified by -XX:MaxMetaspaceSize option 
Enforce MaxMetaspaceSize for both metaspace parts, check MaxMetaspaceSize against "reserved", not "capacity"

Reviewed-by: jmasa, johnc
 2013-03-21 09:07:43 +01:00
Coleen Phillimore
e21f2d67e1 8008217: CDS: Class data sharing limits the malloc heap on Solaris 
In 64bit VM move CDS archive address to 32G on all platforms using new flag SharedBaseAddress.  In 32bit VM set CDS archive address to 3Gb on Linux and let other OSs pick the address.

Reviewed-by: kvn, dcubed, zgu, hseigel
 2013-03-20 08:04:54 -04:00
Stefan Karlsson
d4f955a545 Merge 2013-03-18 09:34:58 +01:00
Daniel D. Daugherty
58cc8b00f9 Merge 2013-03-17 08:57:56 -07:00
Zhengyu Gu
10a02b0e2c 8009614: nsk/split_verifier/stress/ifelse/ifelse002_30 fails with 'assert((size & (granularity - 1)) == 0) failed: size not aligned to os::vm_allocation_granularity() 
Align up vm allocation size to os defined granularity

Reviewed-by: dholmes, coleenp
 2013-03-15 11:53:28 -04:00
Stefan Karlsson
35177d7db2 Merge 2013-03-15 08:57:55 +01:00
Mikael Gerdin
a4a4c34e96 8005602: NPG: classunloading does not happen while CMS GC with -XX:+CMSClassUnloadingEnabled is used 
Call purge() on CLDG after sweep(), reorder purge() call in GenCollectedHeap

Reviewed-by: jmasa, stefank
 2013-03-14 10:54:44 +01:00
Mikael Gerdin
1aa6c27298 8009282: Assertion "assert(used_and_free == capacity_bytes) failed: Accounting is wrong" failed with -XX:+Verbose -XX:+TraceMetadataChunkAllocation 
Assertion is only valid when at a safepoint, adjust accordingly.

Reviewed-by: stefank, jmasa, tamao
 2013-03-12 09:42:24 +01:00
Coleen Phillimore
addd95f165 8003553: NPG: metaspace objects should be zeroed in constructors 
Zero metadata in constructors, not in allocation (and some in constructors)

Reviewed-by: jmasa, sspitsyn
 2013-03-08 11:47:57 -05:00
Jon Masamitsu
c727c73cce 8005452: NPG: Create new flags for Metaspace resizing policy 
Reviewed-by: johnc, jwilhelm, coleenp, stefank
 2013-01-23 19:08:04 -08:00
Mikael Vidstedt
26b2bbe306 8007257: NPG: metaspace.cpp: Incorrect arguments in calls to err_msg 
Fix size checks in assert and corrected some print formats. Also reviewed by vitalyd@gmail.com.

Reviewed-by: coleenp, sspitsyn
 2013-02-01 17:21:53 -08:00
Jon Masamitsu
86dd796322 8005486: NPG: Incorrect assertion in ChunkManager::list_index() 
Reviewed-by: coleenp
 2012-12-26 15:05:30 -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
Jon Masamitsu
e74d551608 8003554: NPG: move Metablock and Metachunk code out of metaspace.cpp 
Reviewed-by: coleenp
 2012-11-29 10:09:04 -08:00
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
Jon Masamitsu
1ea36e2324 7200615: NPG: optimized VM build is broken 
Reviewed-by: kvn
 2012-09-25 07:05:55 -07:00
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
Coleen Phillimore
6fda647450 7196103: NPG: Unable to allocate bit map for parallel garbage collection for the requested heap size 
Don't allocate huge class metaspace size by default on x64

Reviewed-by: stefank, jmasa, kvn
 2012-09-07 16:42:25 -04:00
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
Coleen Phillimore
eff152a7be 7195823: NPG: CMS reserved() doesn't match _rs.base() 
If the commit fails, the size isn't set so the assert fails.

Reviewed-by: kamg
 2012-09-03 18:37:12 -04:00
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