30 Commits

Author SHA1 Message Date
Tobias Hartmann
63f7ba0045 8025277: Add -XX: flag to print code cache sweeper statistics
New diagnostic flag prints statistics about the code cache sweeper

Reviewed-by: kvn
2013-12-19 14:08:02 +01:00
Albert Noll
2656f6d603 8029091: Bug in calculation of code cache sweeping interval
Use signed data type so that no underflow can happen

Reviewed-by: kvn, roland
2013-12-17 08:31:06 +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
Albert Noll
901b435bc1 8028306: nsk stress tests, CodeCache fills, then safepoint asserts
Move handle_full_code_cache() out of block that forbids safepoints

Reviewed-by: kvn, iveresov
2013-11-14 19:27:07 +01:00
Albert Noll
18ca4cc301 8027593: performance drop with constrained codecache starting with hs25 b111
Fixed proper sweeping of small code cache sizes

Reviewed-by: kvn, iveresov
2013-11-12 09:32:50 +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
Albert Noll
73fa617082 8022883: Assertion failed: sweptCount >= flushedCount + markedCount + zombifiedCount
Provide correct number of visited nmethods to Tracing

Reviewed-by: kvn, iveresov
2013-09-18 07:22:20 +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
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
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
Igor Veresov
b972e52710 7145345: Code cache sweeper must cooperate with safepoints
Safepoint in the sweeper loop in necessary

Reviewed-by: kvn, never
2012-02-15 12:32:03 -08:00
Tom Rodriguez
a16e057c0a 6996747: SIGSEGV in nmethod::cleanup_inline_caches / CompiledIC::verify
Reviewed-by: kvn, iveresov
2011-05-16 22:16:44 -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
Erik Trimble
c9e484d473 7010070: Update all 2010 Oracle-changed OpenJDK files to have the proper copyright dates - second pass
Update the copyright to be 2010 on all changed files in OpenJDK

Reviewed-by: ohair
2011-04-05 14:12:31 -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
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
Igor Veresov
2c66a6c3fd 6953144: Tiered compilation
Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation.

Reviewed-by: kvn, never, phh, twisti
2010-09-03 17:51:07 -07:00
Tom Rodriguez
1eabc28737 6968385: malformed xml in sweeper logging
Reviewed-by: kvn
2010-07-12 22:27:18 -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
Tom Rodriguez
338714d4e6 6956958: assert(is_clean() || is_call_to_compiled() || is_call_to_interpreted() || is_optimized() || is_megam
Reviewed-by: kvn
2010-06-18 16:51:54 -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
Eric Caspole
430574f398 6950075: nmethod sweeper should operate concurrently
Reviewed-by: never, kvn
2010-05-17 16:50:07 -07:00
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
Erik Trimble
8cea3ed3b4 Merge 2009-10-09 15:18:52 -07:00
John R Rose
40d52710f6 Merge 2009-09-23 23:56:15 -07:00
Xiomara Jayasena
15f08eb80e 6884624: Update copyright year
Update copyright for files that have been modified in 2009 through Septermber

Reviewed-by: tbell, ohair
2009-09-22 14:06:10 -07:00
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
Y. Srinivas Ramakrishna
c6763b5bad 4957990: Perm heap bloat in JVM
Treat ProfileData in MDO's as a source of weak, not strong, roots. Fixes the bug for stop-world collection -- the case of concurrent collection will be fixed separately.

Reviewed-by: jcoomes, jmasa, kvn, never
2009-09-02 00:04:29 -07:00
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00