47 Commits

Author SHA1 Message Date
Tobias Hartmann
ea755702aa 8059468: Fix PrintCodeCache output changed by JDK-8059137
Change output of PrintCodeCache to print "CodeCache" instead of "Code Cache" and change name of non-method code heap to non-nmethod code heap.

Reviewed-by: vlivanov, anoll
2014-09-30 15:44:43 +02:00
Tobias Hartmann
3525490c57 8059137: MemoryPoolMXBeans for different code heaps should contain 'Code heap' in their names
The segmented code cache implementation registers a memory pool for each code heap. To be consistent with the "non-segmented" output, the names of these pools should contain the word "code heap".

Reviewed-by: kvn, sla, fzhinkin
2014-09-30 09:06:39 +02:00
Niclas Adlertz
37c8ef911c Merge 2014-09-19 17:14:13 +02:00
Goetz Lindenmaier
c82c59cd8f 8058716: Add include missing in 8015774
Reviewed-by: kvn
2014-09-18 09:37:26 +02:00
Tobias Hartmann
cd01de591a 8015774: Add support for multiple code heaps
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
Nils Eliasson
6062c2db15 8054889: Compiler team's implementation task
Adding three new diagnostic commands for compiler

Reviewed-by: anoll, kvn, drchase
2014-09-10 13:27:33 +02:00
Igor Veresov
e285f3eadc 8056154: JVM crash with EXCEPTION_ACCESS_VIOLATION when there are many threads running
Don't make compiled MH intrinsics not entrant when redefining classes

Reviewed-by: kvn, vlivanov
2014-09-05 14:39:45 -07:00
Stefan Karlsson
1b001a2afd 8049421: G1 Class Unloading after completing a concurrent mark cycle
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
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
Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov
2014-07-07 10:12:40 +02:00
Stefan Karlsson
2ef86bb65b 8047362: Add a version of CompiledIC_at that doesn't create a new RelocIterator
Reviewed-by: iveresov, mgerdin
2014-07-01 09:03:55 +02:00
Christian Thalinger
c780be1a3a Merge 2014-05-12 17:01:57 -07:00
David Chase
305ec3bd3f 8037816: Fix for 8036122 breaks build with Xcode5/clang
Repaired or selectively disabled offending formats; future-proofed with additional checking

Reviewed-by: kvn, jrose, stefank
2014-05-09 16:50:54 -04:00
Tobias Hartmann
d2af4e35ec 8029343: CodeCache::allocate increments '_number_of_blobs' even if allocation fails
Incrementing the number of code blobs in CodeCache::allocate(...) is now only performed if allocation succeeds. The guarantee is fixed.

Reviewed-by: kvn, iveresov
2014-05-09 09:12:39 +02:00
Albert Noll
e8bc971d19 8029799: vm/mlvm/anonloader/stress/oome prints warning: CodeHeap: # of free blocks > 10000
Double CodeCacheSegmentSize from 64 byte to 128 bytes if tiered compilation is enabled

Reviewed-by: kvn, twisti
2014-03-07 07:42:40 +01:00
Albert Noll
aa570e227c 8034839: jvm hangs with gc/gctests/LoadUnloadGC test
Provide fast lookup of checked dependencies via hashmap

Reviewed-by: kvn, roland
2014-02-26 11:29:47 +01:00
Albert Noll
2f84f7d5fc 7194669: CodeCache::mark_for_deoptimization should avoid verifying dependencies multiple times
Avoid verifying dependencies multiple times by caching verified dependencies

Reviewed-by: kvn, twisti, roland
2014-01-15 06:16:55 +01:00
Albert Noll
0dee555ead 8020151: PSR:PERF Large performance regressions when code cache is filled
Code cache sweeping based on method hotness; removed speculatively disconnect

Reviewed-by: kvn, iveresov
2013-09-27 10:50:55 +02:00
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
Albert Noll
114b578228 8012371: Adjust Tiered compile threshold according to available space in code cache
Added command line parameter to define a threshold at which C1 compilation threshold for  is increased.

Reviewed-by: kvn, iveresov
2013-05-16 15:46:49 +02:00
Nils Eliasson
dedfcd5aa4 8012547: Code cache flushing can get stuck reclaming of memory
Keep sweeping regardless of if we are flushing

Reviewed-by: kvn, twisti
2013-04-29 13:20:19 +02:00
Nils Eliasson
92ef5fe748 8006952: Slow VM due to excessive code cache freelist iteration
Remove continous free block requirement

Reviewed-by: kvn
2013-04-11 13:57:44 +02:00
Alexander Harlap
95cbed6639 8005204: Code Cache Reduction: command line options implementation
Adding more detailed output on CodeCache usage

Reviewed-by: kvn, vladidan
2013-01-14 13:52:08 -05:00
Bengt Rutisson
fcae0353d2 7200470: KeepAliveClosure not needed in CodeCache::do_unloading
Removed the unused keep_alive parameter

Reviewed-by: stefank, dholmes, kamg, coleenp
2012-09-25 14:58:12 +02:00
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
Christian Thalinger
12901d0e5b 7023639: JSR 292 method handle invocation needs a fast path for compiled code
6984705: JSR 292 method handle creation should not go through JNI

Remove assembly code for JDK 7 chained method handles

Co-authored-by: John Rose <john.r.rose@oracle.com>
Co-authored-by: Michael Haupt <michael.haupt@oracle.com>
Reviewed-by: jrose, twisti, kvn, mhaupt
2012-07-24 10:51:00 -07:00
Zhengyu Gu
a39b17624a 6995781: Native Memory Tracking (Phase 1)
7151532: DCmd for hotspot native memory tracking

Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd

Reviewed-by: acorn, coleenp, fparain
2012-06-28 17:03:16 -04:00
Tom Rodriguez
6aeaca98d1 6939861: JVM should handle more conversion operations
Reviewed-by: twisti, jrose
2011-05-06 16:33:13 -07:00
Igor Veresov
3344bbfb29 7036236: VM crashes assert((!inside_attrs()) || is_error_reported()) failed ..
Eliminate the race condition.

Reviewed-by: kvn
2011-04-14 00:02:21 -07:00
Tom Rodriguez
fe74e1ba6a 7034957: acquiring lock CodeCache_lock/1 out of order with lock tty_lock/0 -- possible deadlock
Reviewed-by: iveresov
2011-04-07 21:32:23 -07:00
Tom Rodriguez
4f41ea7fff 7033779: CodeCache::largest_free_block may need to hold the CodeCache lock
Reviewed-by: kvn
2011-04-05 19:16:52 -07:00
Tom Rodriguez
6e8a263a06 7017732: move static fields into Class to prepare for perm gen removal
Reviewed-by: kvn, coleenp, twisti, stefank
2011-03-18 16:00:34 -07:00
Tom Rodriguez
f5ef48f3b9 7028374: race in fix_oop_relocations for scavengeable nmethods
Reviewed-by: kvn
2011-03-18 15:52:42 -07:00
Vladimir Kozlov
fd6487f201 7025742: Can not use CodeCache::unallocated_capacity() with fragmented CodeCache
Use largest_free_block() instead of unallocated_capacity().

Reviewed-by: iveresov, never, ysr
2011-03-09 09:15:16 -08:00
Vladimir Kozlov
28050800c0 7008325: CodeCache exhausted on sparc starting from hs20b04
Remove clear_scratch_buffer_blob and let init_scratch_buffer_blob free and allocate a new blob if required.

Reviewed-by: twisti
2010-12-29 10:41:43 -08:00
Stefan Karlsson
8006fe8f75 6989984: Use standard include model for Hospot
Replaced MakeDeps and the includeDB files with more standardized solutions.

Reviewed-by: coleenp, kvn, kamg
2010-11-23 13:22:55 -08:00
Tom Rodriguez
1571a4a56f 6970683: improvements to hs_err output
Reviewed-by: kvn, jrose, dholmes, coleenp
2010-10-21 11:55:10 -07:00
Christian Thalinger
a4b2fe3b1c 6978355: renaming for 6961697
This is the renaming part of 6961697 to keep the actual changes small for review.

Reviewed-by: kvn, never
2010-08-25 05:27:54 -07:00
Tom Rodriguez
7533d0caf7 6965184: possible races in make_not_entrant_or_zombie
Reviewed-by: kvn
2010-07-08 14:29:44 -07:00
John R Rose
d6a9b93b5a Merge 2010-06-02 22:45:42 -07:00
Erik Trimble
ba7c173659 6941466: Oracle rebranding changes for Hotspot repositories
Change all the Sun copyrights to Oracle copyright

Reviewed-by: ohair
2010-05-27 19:08:38 -07:00
Christian Thalinger
c9f2ba541b 6951083: oops and relocations should part of nmethod not CodeBlob
This moves the oops from Codeblob to nmethod.

Reviewed-by: kvn, never
2010-05-20 06:34:23 -07:00
Eric Caspole
430574f398 6950075: nmethod sweeper should operate concurrently
Reviewed-by: never, kvn
2010-05-17 16:50:07 -07:00
Christian Thalinger
f90547c0b9 6940520: CodeCache::scavenge_root_nmethods_do must fix oop relocations
ScavengeRootsInCode can lead to unfixed code-embedded oops.

Reviewed-by: kvn, never
2010-04-06 13:39:52 +02:00
Eric Caspole
a57d68e35b 4360113: Evict nmethods when code cache gets full
Speculatively unload the oldest nmethods when code cache gets full.

Reviewed-by: never, kvn
2010-01-29 09:27:22 -08:00
John R Rose
e261aecad8 6863023: need non-perm oops in code cache for JSR 292
Make a special root-list for those few nmethods which might contain non-perm oops.

Reviewed-by: twisti, kvn, never, jmasa, ysr
2009-09-15 21:53:47 -07:00
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00