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152 commits

Author SHA1 Message Date
Mikael Gerdin
67b238b12d Merge 2013-05-02 19:28:59 +02:00
Calvin Cheung
0f7adcc3d9 8011661: Insufficient memory message says "malloc" when sometimes it should say "mmap" 
Reviewed-by: coleenp, zgu, hseigel
 2013-04-30 11:56:52 -07:00
Stefan Karlsson
ad20a6bd76 8013160: NPG: Remove unnecessary mark stack draining after CodeCache::do_unloading 
Reviewed-by: coleenp, mgerdin
 2013-04-26 10:40:36 +02:00
Stefan Karlsson
f0ae855b07 8013132: Add a flag to turn off the output of the verbose verification code 
Reviewed-by: johnc, brutisso
 2013-04-24 20:13:37 +02:00
Stefan Karlsson
e96efdaa1a 8011872: Include Bit Map addresses in the hs_err files 
Reviewed-by: brutisso, jmasa
 2013-04-10 14:26:49 +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
Stefan Karlsson
bdf829cf3e 8012687: Remove unused is_root checks and closures 
Reviewed-by: tschatzl, jmasa
 2013-04-22 20:27:36 +02:00
Thomas Schatzl
45cc7f61db 8005857: assert in GC_locker from PSOldGen::expand with -XX:+PrintGCDetails and Verbose 
Use GC_locker::is_active_and_needs_gc() instead of GC_locker::is_active() for providing information about the reason of heap expansion.

Reviewed-by: jmasa, johnc
 2013-04-02 10:03:02 +02:00
Mikael Gerdin
89120e7827 7014552: gc/lock/jni/jnilockXXX works too slow on 1-processor machine 
Keep a counter of how many times we were stalled by the GC locker, add a diagnostic flag which sets the limit.

Reviewed-by: brutisso, ehelin, johnc
 2013-03-28 10:27:28 +01:00
Thomas Schatzl
e1df78e390 6733980: par compact - TraceGen1Time always shows 0.0000 seconds 
Use the correct collector to retrieve accumulated gen1 trace time

Reviewed-by: johnc, jmasa
 2013-03-14 09:37:38 +01:00
Jon Masamitsu
79c091f287 6976528: PS: assert(!limit_exceeded || softrefs_clear) failed: Should have been cleared 
Reviewed-by: johnc
 2013-03-12 11:00:49 -07:00
Karen Kinnear
706efde6df Merge 2013-01-21 16:11:24 -05:00
Harold Seigel
68f3dd76c9 7102489: RFE: cleanup jlong typedef on __APPLE__and _LLP64 systems 
Define jlong as long on all LP64 platforms and add JLONG_FORMAT macro.

Reviewed-by: dholmes, coleenp, mikael, kvn
 2013-01-17 10:25:16 -05:00
Jon Masamitsu
7fb60025ee 8005672: Clean up some changes to GC logging with GCCause's 
Reviewed-by: johnc, ysr
 2013-01-04 17:04:46 -08:00
Tao Mao
7cb614b0e5 8004132: SerialGC: ValidateMarkSweep broken when running GCOld 
Remove bit-rotten ValidateMarkSweep functionality and flag.

Reviewed-by: johnc, jmasa
 2013-01-02 11:32:41 -08:00
Volker Simonis
2b3c2f2603 8004674: Add necessary .inline.hpp files to fix non-PCH build 
Reviewed-by: stefank, coleenp
 2012-12-13 09:28:14 +01:00
Stefan Karlsson
3c2f3a321a 8003720: NPG: Method in interpreter stack frame can be deallocated 
Pass down a closure during root scanning to keep the class of the method alive.

Reviewed-by: coleenp, jcoomes
 2012-11-27 10:13:20 +01:00
Jon Masamitsu
ea25b80875 Merge 2012-10-17 13:59:57 -07:00
John Cuthbertson
9abdcd4a3c 8000831: Heap verification output incorrect/incomplete 
Restore non-silent output of heap verification.

Reviewed-by: ysr, brutisso, jmasa
 2012-10-15 10:02:42 -07:00
Mikael Vidstedt
769dd50182 7197424: update copyright year to match last edit in jdk8 hotspot repository 
Update copyright year to 2012 for relevant files

Reviewed-by: dholmes, coleenp
 2012-10-09 10:09:34 -07:00
Rickard Bäckman
25e07fb041 Merge 2012-10-09 07:41:27 +02:00
Jesper Wilhelmsson
3506d44c57 8000351: Tenuring threshold should be unsigned 
Change the flags and variables related to tenuring threshold to be unsigned

Reviewed-by: jmasa, johnc
 2012-10-03 20:31:41 +02:00
Jon Masamitsu
88ab075a6d 7199349: NPG: PS: Crash seen in jprt 
Reviewed-by: johnc
 2012-10-03 08:08:52 -07:00
Coleen Phillimore
28047d6a0f 8000213: NPG: Should have renamed arrayKlass and typeArrayKlass 
Capitalize these metadata types (and objArrayKlass)

Reviewed-by: stefank, twisti, kvn
 2012-09-29 06:40:00 -04:00
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
f6cc90e927 7199923: NPG: tools/javac/T7093325.java timeout 
Reviewed-by: stefank, coleenp, kvn
 2012-09-20 12:18:23 -07:00
Coleen Phillimore
12b9a4edbb 7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass 
Simple renaming to be consistent with instanceKlass->InstanceKlass renaming

Reviewed-by: stefank, jmasa
 2012-09-07 12:04:16 -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
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
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
Stefan Karlsson
99802ac63d 7160613: VerifyRememberedSets doesn't work with CompressedOops 
Use load_decode_heap_oop instead of load_decode_heap_oop_not_null

Reviewed-by: tonyp, brutisso
 2012-04-11 16:18:45 +02:00
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
Nils Loodin
8950ee8d8e 7154517: Build error in hotspot-gc without precompiled headers 
Reviewed-by: jcoomes, brutisso
 2012-03-16 16:14:04 +01:00
John Coomes
5f0143a774 6330863: vm/gc/InfiniteList.java fails intermittently due to timeout 
In some cases, allocate from the old gen before doing a full gc

Reviewed-by: stefank, jmasa
 2012-02-16 13:13:53 -08:00
John Coomes
6827f384c9 7146343: PS invoke methods should indicate the type of gc done 
Reviewed-by: stefank, jmasa
 2012-02-16 13:12:25 -08:00
Igor Veresov
47d1b9ee33 7144296: PS: Optimize nmethods processing 
Prunes scavenge roots in code list every young GC, promote objects directly pointed by the code immediately

Reviewed-by: johnc, jcoomes
 2012-02-10 17:40:20 -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
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
Jon Masamitsu
714e978aac 7119584: UseParallelGC barrier task can be overwritten 
Provoke a GC for a metadata allocation failure.

Reviewed-by: johnc, iveresov
 2011-12-09 19:28:34 -08:00
Jon Masamitsu
71ed60ac69 7112997: Remove obsolete code ResetObjectsClosure and VerifyUpdateClosure 
Remove obsolete code.

Reviewed-by: brutisso, ysr, jcoomes
 2011-11-22 14:59:34 -08:00
Jon Masamitsu
15070123fa 6593758: RFE: Enhance GC ergonomics to dynamically choose ParallelGCThreads 
Select number of GC threads dynamically based on heap usage and number of Java threads

Reviewed-by: johnc, ysr, jcoomes
 2011-08-09 10:16:01 -07:00
Bengt Rutisson
40c94189f7 7110718: -XX:MarkSweepAlwaysCompactCount=0 crashes the JVM 
Interpret MarkSweepAlwaysCompactCount < 1 as never do full compaction

Reviewed-by: ysr, tonyp, jmasa, johnc
 2011-11-21 07:47:34 +01:00
Antonios Printezis
44b419af51 7099849: G1: include heap region information in hs_err files 
Reviewed-by: johnc, brutisso, poonam
 2011-11-08 00:41:28 -05:00
Antonios Printezis
78662d3b17 Merge 2011-10-06 13:28:09 -04:00
Kurt Miller
95c56a472b 7089790: integrate bsd-port changes 
Co-authored-by: Greg Lewis <glewis@eyesbeyond.com>
Co-authored-by: Jung-uk Kim <jkim@freebsd.org>
Co-authored-by: Christos Zoulas <christos@zoulas.com>
Co-authored-by: Landon Fuller <landonf@plausible.coop>
Co-authored-by: The FreeBSD Foundation <board@freebsdfoundation.org>
Co-authored-by: Michael Franz <mvfranz@gmail.com>
Co-authored-by: Roger Hoover <rhoover@apple.com>
Co-authored-by: Alexander Strange <astrange@apple.com>
Reviewed-by: kvn, twisti, jrose
 2011-09-25 16:03:29 -07:00
Stefan Karlsson
a4523cfc7f 7021322: assert(object_end <= top()) failed: Object crosses promotion LAB boundary 
Pass the same object size value to both allocate and unallocate_object

Reviewed-by: ysr, brutisso
 2011-09-12 16:09:50 +02:00
John Cuthbertson
1b62d10b4b 6484982: G1: process references during evacuation pauses 
G1 now uses two reference processors - one is used by concurrent marking and the other is used by STW GCs (both full and incremental evacuation pauses). In an evacuation pause, the reference processor is embedded into the closures used to scan objects. Doing so causes causes reference objects to be 'discovered' by the reference processor. At the end of the evacuation pause, these discovered reference objects are processed - preserving (and copying) referent objects (and their reachable graphs) as appropriate.

Reviewed-by: ysr, jwilhelm, brutisso, stefank, tonyp
 2011-09-22 10:57:37 -07:00
Stefan Karlsson
5b6ba4e611 7085906: Replace the permgen allocated sentinelRef with a self-looped end 
Remove the sentinelRef and let the last Reference in a discovered chain point back to itself.

Reviewed-by: ysr, jmasa
 2011-09-01 16:18:17 +02:00
Antonios Printezis
937d6ded89 6994322: Remove the is_tlab and is_noref / is_large_noref parameters from the CollectedHeap 
Remove two unused parameters from the mem_allocate() method and update its uses accordingly.

Reviewed-by: stefank, johnc
 2011-06-16 15:51:57 -04:00
John Cuthbertson
b94d0b830c 7004681: G1: Extend marking verification to Full GCs 
Perform a heap verification after the first phase of G1's full GC using objects' mark words to determine liveness. The third parameter of the heap verification routines, which was used in G1 to determine which marking bitmap to use in liveness calculations, has been changed from a boolean to an enum with values defined for using the mark word, and the 'prev' and 'next' bitmaps.

Reviewed-by: tonyp, ysr
 2011-06-14 11:01:10 -07:00