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409 Commits

Author SHA1 Message Date
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
Coleen Phillimore
5f4a2405a7 Merge 2012-10-15 22:33:19 -04:00
Harold Seigel
6b158b4089 7199068: NPG: SharedSkipVerify is meaningless 
Remove the SharedSkipVerify flag

Reviewed-by: kamg, sspitsyn, coleenp
 2012-10-10 17:04:33 -04:00
Brandon Mitchell
3234f913bb 6818524: G1: use ergonomic resizing of PLABs 
Employ PLABStats instances to record information about survivor and old PLABs, and use the recorded stats to adjust the sizes of survivor and old PLABS.

Reviewed-by: johnc, ysr
 2012-08-06 12:20:14 -07:00
Jiangli Zhou
7b82f72ba9 Merge 2012-07-13 20:14:27 -04:00
Bertrand Delsart
37d969c6ab Merge 2012-07-02 04:19:22 -04:00
Vladimir Kozlov
3a84f5407b Merge 2012-06-28 10:35:28 -07:00
Coleen Phillimore
135f315eaa Merge 2012-07-02 13:11:28 -04:00
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
Jiangli Zhou
56df3bd48d 7178145: Change constMethodOop::_exception_table to optionally inlined u2 table 
Change constMethodOop::_exception_table to optionally inlined u2 table.

Reviewed-by: bdelsart, coleenp, kamg
 2012-06-26 19:08:44 -04:00
Christian Thalinger
ed2051c861 7157365: jruby/bench.bench_timeout crashes with JVM internal error 
Reviewed-by: jrose, kvn
 2012-06-18 15:17:30 -07:00
Coleen Phillimore
55b09e7016 7158800: Improve storage of symbol tables 
Use an alternate version of hashing algorithm for symbol string tables and after a certain bucket size to improve performance

Reviewed-by: pbk, kamg, dlong, kvn, fparain
 2012-06-13 19:52:59 -04:00
Mikael Gerdin
1ae0edb1f1 7172226: HotSpot fails to build with GCC 4.7 because of stricter c++ argument dependent lookup 
Add "using" keyword to import base class functions from FreeList<T> to fix template name lookup in gcc 4.7

Reviewed-by: brutisso, iveresov
 2012-06-04 09:21:53 +02:00
Bengt Rutisson
212ab5c73a 7172279: G1: Clean up TraceGen0Time and TraceGen1Time data gathering 
Simplify code, remove unused code, remove ExitAfterGCNum

Reviewed-by: huntch, johnc
 2012-05-31 21:10:33 +02:00
John Coomes
2c4e9e718c Merge 2012-05-18 10:27:13 -07:00
Bengt Rutisson
eba9965d54 7166894: Add gc cause to GC logging for all collectors 
Reviewed-by: mgerdin, johnc
 2012-05-15 10:25:06 +02:00
Vladimir Kozlov
eb4a860bc3 6924259: Remove String.count/String.offset 
Allow a version of String class that doesn't have count and offset fields.

Reviewed-by: never, coleenp
 2012-05-14 09:36:00 -07:00
John Coomes
8fe245a2ba Merge 2012-05-11 06:37:47 -07:00
Stefan Karlsson
efb4e7d77d 7167437: Can't build on linux without precompiled headers 
Reviewed-by: brutisso, mgerdin
 2012-05-10 11:27:10 +02:00
Joseph Provino
e897b69d19 Merge 2012-05-05 10:24:55 -04:00
Jiangli Zhou
2fa131f8db 7158552: The instanceKlsss::_host_klass is only needed for anonymous class for JSR 292 support 
Change the _host_klass to be conditionally created embedded instanceKlass field.

Reviewed-by: jrose, coleenp, dholmes
 2012-05-02 13:21:36 -04:00
Jon Masamitsu
b63f7f3a18 7164144: Fix variable naming style in freeBlockDictionary.* and binaryTreeDictionary* 
Fix naming style to be consistent with the predominant hotspot style.

Reviewed-by: ysr, brutisso
 2012-04-25 09:55:55 -07:00
John Cuthbertson
b2ab93cc7b Merge 2012-04-20 11:41:49 -07:00
Bengt Rutisson
f695b75d78 4988100: oop_verify_old_oop appears to be dead 
Removed oop_verify_old_oop and allow_dirty. Also reviewed by: alexlamsl@gmail.com

Reviewed-by: jmasa, jwilhelm
 2012-04-16 08:57:18 +02:00
Tom Rodriguez
04f50526d3 Merge 2012-04-05 15:08:04 -07:00
Tom Rodriguez
8fc6b2ef2a 7157141: crash in 64 bit with corrupted oops 
Reviewed-by: kvn, iveresov
 2012-04-02 16:05:56 -07:00
Karen Kinnear
69a42aedf9 Merge 2012-04-01 17:04:26 -04:00
Coleen Phillimore
f5558edf7b 7131629: Generalize the CMS free list code 
Make the FreeChunk, FreeList, TreeList, and BinaryTreeDictionary classes usable outside CMS.

Reviewed-by: brutisso, johnc, jwilhelm
 2012-03-29 19:46:24 -07:00
Coleen Phillimore
1431a5efd1 7150058: Allocate symbols from null boot loader to an arena for NMT 
Move symbol allocation to an arena so NMT doesn't have to track them at startup.

Reviewed-by: never, kamg, zgu
 2012-03-23 11:16:05 -04:00
Dean Long
41d6c584cd Merge 2012-03-17 17:31:59 -04:00
Alexey Ragozin
2c9482428f 7068625: Testing 8 bytes of card table entries at a time speeds up card-scanning 
Check clean words instead of clean bytes

Reviewed-by: jcoomes, jmasa, jwilhelm, ysr
 2012-03-14 12:49:27 +01:00
Jiangli Zhou
b9e6895d3a 7109878: The instanceKlass EnclosingMethhod attribute fields can be folded into the _inner_class field 
Fold instanceKlass::_enclosing_method_class_index and instanceKlass::_enclosing_method_method_index into the instanceKlass::_inner_classes array.

Reviewed-by: never, coleenp
 2012-03-13 13:50:48 -04:00
Bob Vandette
4d6f8e3d34 Merge 2012-04-10 13:27:09 -04:00
Jiangli Zhou
4a02eb3afe 7154670: The instanceKlass _implementors[] and _nof_implementors are not needed for non-interface klass 
Change implementor to embedded instanceKlass field.

Reviewed-by: sspitsyn, minqi, coleenp
 2012-03-29 22:18:56 -04:00
Tom Rodriguez
7a1487a726 Merge 2012-02-17 12:18:52 -08:00
Stefan Karlsson
7daca4fc60 Merge 2012-02-17 13:23:29 +01:00
Tom Rodriguez
9e339b8ded 7144318: GCLocker assert failure: assert(_needs_gc || SafepointSynchronize::is_at_safepoint( 
Reviewed-by: kvn, twisti
 2012-02-16 11:33:49 -08:00
Tom Rodriguez
520f6fcc87 7145537: minor tweaks to LogEvents 
Reviewed-by: kvn, twisti
 2012-02-15 10:12:55 -08:00
Dean Long
479baa64e5 7140866: assert(covered) failed: Card for end of new region not committed 
Resize covered region only after successfully mapping shared archive

Reviewed-by: brutisso, ysr
 2012-02-15 00:51:07 -05:00
Tom Rodriguez
9599296d97 7013347: allow crypto functions to be called inline to enhance performance 
Reviewed-by: kvn
 2012-02-01 16:57:08 -08:00
Tom Rodriguez
5a41427b37 7141200: log some interesting information in ring buffers for crashes 
Reviewed-by: kvn, jrose, kevinw, brutisso, twisti, jmasa
 2012-02-01 07:59:01 -08:00
Tom Rodriguez
5721fa222a 7129164: JNI Get/ReleasePrimitiveArrayCritical doesn't scale 
Reviewed-by: kvn, iveresov, dholmes
 2012-01-29 16:46:04 -08:00
John Cuthbertson
fa9d6d7682 7129514: time warp warnings after 7117303 
Replace calls to os::javaTimeMillis() that are used to update the milliseconds since the last GC to an equivalent that uses a monotonically non-decreasing time source.

Reviewed-by: ysr, jmasa
 2012-01-18 09:50:16 -08:00
Jiangli Zhou
e6157688b4 Merge 2012-01-04 12:36:07 -05:00
Jon Masamitsu
0ebc10bb13 7121618: Change type of number of GC workers to unsigned int 
Change variables representing the number of GC workers to uint from int and size_t.  Change the parameter in work(int i) to work(uint worker_id).

Reviewed-by: brutisso, tonyp
 2011-12-14 13:34:57 -08:00
John Cuthbertson
870bea622a 7117303: VM uses non-monotonic time source and complains that it is non-monotonic 
Replaces calls to os::javaTimeMillis(), which does not (and cannot) guarantee monotonicity, in GC code to an equivalent expression that uses os::javaTimeNanos(). os::javaTimeNanos is guaranteed monotonically non-decreasing if the underlying platform provides a monotonic time source. Changes in OS files are to make use of the newly defined constants in globalDefinitions.hpp.

Reviewed-by: dholmes, ysr
 2011-12-19 10:02:05 -08:00
Stefan Karlsson
a3943834e1 7121373: Clean up CollectedHeap::is_in 
Fixed G1CollectedHeap::is_in, added tests, cleaned up comments and made Space::is_in pure virtual.

Reviewed-by: brutisso, tonyp, jcoomes
 2011-12-14 12:15:26 +01:00
Jiangli Zhou
fafb59a0dc Merge 2011-12-09 11:29:05 -08:00
Jiangli Zhou
f9f4ba0203 7117052: instanceKlass::_init_state can be u1 type 
Change instanceKlass::_init_state field to u1 type.

Reviewed-by: bdelsart, coleenp, dholmes, phh, never
 2011-12-06 18:28:51 -05:00
Jon Masamitsu
404bb0d0ac 7106024: CMS: Removed unused code for precleaning in remark phase 
Remove dead code.

Reviewed-by: stefank, ysr
 2011-11-22 14:18:39 -08:00