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65 commits

Author SHA1 Message Date
Per Lidén
4dc240f785 8079792: GC directory structure cleanup 
Reviewed-by: brutisso, stefank, david
 2015-05-13 15:16:06 +02:00
Bengt Rutisson
ed2ed17291 8077938: Remove TraceMarkSweep 
Reviewed-by: sjohanss, jmasa
 2015-04-17 08:09:41 +02:00
Per Lidén
ca9afd25f6 8077413: Avoid use of Universe::heap() inside collectors 
Reviewed-by: stefank, kbarrett
 2015-04-13 15:47:48 +02:00
David Lindholm
bbadc1626f 8076071: parallelScavenge: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files 
Reviewed-by: brutisso, mgerdin, stefank
 2015-03-27 15:24:49 +01:00
Kim Barrett
40d3986051 8069016: Add BarrierSet downcast support 
Add FakeRttiSupport utility and use to provide barrier_set_cast.

Reviewed-by: jmasa, sangheki
 2015-02-27 19:52:48 -05:00
Kim Barrett
093d2698fc 8066827: Remove ReferenceProcessor::clean_up_discovered_references() 
Abandon rather than clean up discovered references.

Reviewed-by: jmasa, ysr
 2014-12-17 22:32:44 -05:00
Andreas Eriksson
f65caabf9c 7176220: 'Full GC' events miss date stamp information occasionally 
Move date stamp logic into GCTraceTime

Reviewed-by: brutisso, tschatzl
 2013-05-17 17:24:20 +02:00
Coleen Phillimore
3f0a945468 8004128: NPG: remove stackwalking in Threads::gc_prologue and gc_epilogue code 
Remove bcx and mdx handling.  We no longer have to convert bytecode pointers to indices for GC since Methods aren't moved.

Reviewed-by: mgerdin, kvn
 2014-07-17 15:45:46 -04:00
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
Bengt Rutisson
9672a26d51 8043607: Add a GC id as a log decoration similar to PrintGCTimeStamps 
Reviewed-by: jwilhelm, ehelin, tschatzl
 2014-06-19 13:31:14 +02:00
Jesper Wilhelmsson
ded8b863dd 8042298: Remove the names gen0 and gen1 from the GC code 
Renamed gen0 and gen1 to young and old throughout the GC code.

Reviewed-by: sjohanss, jcoomes
 2014-05-02 02:11:34 +02:00
Coleen Phillimore
388434f387 Merge 2014-05-12 09:47:57 -04:00
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
Gerard Ziemski
ed9c096396 8038654: Separate SymbolTable and StringTable code 
Refactor stringTable class out of symbolTable, making sure all includes are minimal set and are sorted.

Reviewed-by: coleenp, stefank
 2014-05-07 14:16:45 -05:00
Stefan Karlsson
d78446aa45 8039743: Use correct format specifier to print size_t values and pointers in the GC code 
Co-authored-by: Mikael Vidstedt <mikael.vidstedt@oracle.com>
Reviewed-by: jmasa, sjohanss
 2014-04-09 13:54:32 +02:00
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
Jon Masamitsu
8c7d064ee8 7098155: Resize young gen at full collections for UseParallelGC 
Reviewed-by: tschatzl
 2014-03-05 07:34:35 -08:00
Jesper Wilhelmsson
81ba2e32c0 8025856: Fix typos in the GC code 
Fix about 440 typos in comments in the VM code

Reviewed-by: mgerdin, tschatzl, coleenp, kmo, jcoomes
 2014-01-23 14:47:23 +01:00
Markus Grönlund
b1e3461fe5 8028128: Add a type safe alternative for working with counter based data 
Reviewed-by: dholmes, egahlin
 2013-11-23 12:25:13 +01:00
Jesper Wilhelmsson
11da59e506 8025853: Remove unnecessary uses of GenerationSizer 
Removed stray includes and some minor cleanup of GenerationSizer

Reviewed-by: tschatzl, jcoomes
 2013-10-03 17:16:23 +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
Tao Mao
1e80919f4c 8007762: Rename a bunch of methods in size policy across collectors 
Rename: compute_generations_free_space() = compute_eden_space_size() + compute_old_gen_free_space(); update related logging messages

Reviewed-by: jmasa, johnc, tschatzl, brutisso
 2013-05-22 11:11:47 -07:00
Erik Helin
0f9e2457c5 8014277: Remove ObjectClosure as base class for BoolObjectClosure 
Reviewed-by: brutisso, tschatzl
 2013-05-17 11:57:05 +02:00
Tao Mao
87b3317478 8007763: Refactoring: split up compute_generation_free_space() into two functions for class PSAdaptiveSizePolicy 
Split up compute_generation_free_space() into two functions: compute_eden_space_size() + compute_old_gen_free_space(), each of which (if needed) can be reused without executing an overhead of the other.

Reviewed-by: jmasa, tschatzl
 2013-05-15 10:41:22 -07:00
Thomas Schatzl
8d53e75550 6843347: Boundary values in some public GC options cause crashes 
Setting some public integer options to specific values causes crashes or undefined GC behavior. This patchset adds the necessary argument checking for these options.

Reviewed-by: jmasa, brutisso
 2013-05-15 11:05:09 +02:00
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
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
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
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
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
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
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
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
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
Frederic Parain
b38843c8d9 7036199: Adding a notification to the implementation of GarbageCollectorMXBeans 
Add a notification to the GarbageCollectorMXBeans

Reviewed-by: acorn, mchung
 2011-05-12 10:30:11 -07:00
Y. Srinivas Ramakrishna
b4b287e7ac 6668573: CMS: reference processing crash if ParallelCMSThreads > ParallelGCThreads 
Use _max_num_q = max(discovery_degree, processing_degree), and let balance_queues() redistribute from discovery_degree to processing_degree of queues. This should also allow a more dynamic and flexible parallelism policy in the future.

Reviewed-by: jmasa, johnc
 2011-03-17 10:32:46 -07:00
Coleen Phillimore
7b4f8073f0 6990754: Use native memory and reference counting to implement SymbolTable 
Move symbols from permgen into C heap and reference count them

Reviewed-by: never, acorn, jmasa, stefank
 2011-01-27 16:11:27 -08:00
Keith McGuigan
272d7eaffc 7012505: BreakpointWithFullGC.sh fails with Internal Error (src/share/vm/oops/methodOop.cpp:220) 
Rebuild breakpoint cache at gc_epilogue instead of during oops_do

Reviewed-by: dcubed, ysr, coleenp
 2011-01-19 13:51:53 -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
John Coomes
1cdd538ea5 6423256: GC stacks should use a better data structure 
6942771: SEGV in ParScanThreadState::take_from_overflow_stack

Reviewed-by: apetrusenko, ysr, pbk
 2010-09-28 15:56:15 -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
Jon Masamitsu
f5197d0d36 6858496: Clear all SoftReferences before an out-of-memory due to GC overhead limit 
Ensure a full GC that clears SoftReferences before throwing an out-of-memory

Reviewed-by: ysr, jcoomes
 2010-04-13 13:52:10 -07:00
John Coomes
4f82340476 4396719: Mark Sweep stack overflow on deeply nested Object arrays 
Use an explicit stack for object arrays and process them in chunks.

Reviewed-by: iveresov, apetrusenko
 2010-03-03 14:48:26 -08:00