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33 commits

Author SHA1 Message Date
Ioi Lam
f7f193ae71 8072061: Automatically determine optimal sizes for the CDS regions 
See new C++ class MetaspaceClosure.

Reviewed-by: coleenp, jiangli, mseledtsov
 2017-08-02 18:06:38 -07:00
Coleen Phillimore
17f23d1881 8184994: Add Dictionary size logging and jcmd 
Added dcmd for printing system dictionary like the stringtable and symboltable and making print functions go to outputstream rather than tty

Reviewed-by: shade, hseigel
 2017-08-02 10:52:50 -04:00
Coleen Phillimore
a1f70549e4 7133093: Improve system dictionary performance 
Implement one dictionary per ClassLoaderData for faster lookup and removal during class unloading

Reviewed-by: iklam, acorn, jiangli
 2017-07-28 10:48:35 -04:00
Jesper Wilhelmsson
efd1054686 8182299: Enable disabled clang warnings, build on OSX 10 + Xcode 8 
8182656: Make the required changes in GC code to build on OSX 10 + Xcode 8
8182657: Make the required changes in Runtime code to build on OSX 10 + Xcode 8
8182658: Make the required changes in Compiler code to build on OSX 10 + Xcode 8

Co-authored-by: Paul Hohensee <hohensee@amazon.com>
Reviewed-by: jwilhelm, ehelin, phh
 2017-07-06 01:50:26 +02:00
Coleen Phillimore
af0b8d46d2 8181450: assert in BasicHashtable::verify_table 
Remove assert as it has small probability of happening and added logging

Reviewed-by: kbarrett, sspitsyn
 2017-06-16 09:13:56 -04:00
Jesper Wilhelmsson
d599f0d03a Merge 2017-05-23 17:51:35 +02:00
Lana Steuck
7b47a378fa Merge 2017-05-19 04:18:25 +00:00
Thomas Schatzl
c775f6f58b 8180048: Interned string and symbol table leak memory during parallel unlinking 
Make appending found dead BasicHashtableEntrys to the free list atomic.

Reviewed-by: ehelin, shade, coleenp
 2017-05-15 12:20:15 +02:00
Coleen Phillimore
f820e2f2ee 8166848: Performance bug: SystemDictionary - optimization 
Check instead that a bucket isn't 10x the average

Reviewed-by: iklam, gziemski, sspitsyn
 2017-05-18 08:17:52 -04:00
Sharath Ballal
e8ead248a8 8030750: SA: Alternate hashing not implemented 
Implement alternate hashing in SA

Reviewed-by: dsamersoff
 2017-04-26 14:59:52 +05:30
Ioi Lam
ba388eaccd 8176863: Remove Hashtable::reverse() 
Reviewed-by: hseigel, sspitsyn, coleenp
 2017-05-04 16:04:23 -07:00
Gerard Ziemski
e555a3e342 8166145: runtime/threads/ThreadInterruptTest3 fails with ExitCode 0 
Added new hashtables logging tag and used it print out the table performance details.

Reviewed-by: coleenp, dholmes
 2016-10-27 09:42:45 -05:00
Gerard Ziemski
f6975a2f65 8138760: [JVMCI] VM warning: Performance bug: SystemDictionary lookup_count=21831450 lookup_length=1275207287 average=58.411479 load=5.572844 
Added debug details to the warning message.

Reviewed-by: dholmes, iklam, twisti
 2016-07-19 11:00:45 -05:00
Markus Grönlund
2ad9d3192f 8140485: Class load and creation cleanup 
Reviewed-by: hseigel, coleenp, sspitsyn
 2015-12-08 20:04:03 +01:00
Mikael Gerdin
6fc8764c65 8056084: Refactor Hashtable to allow implementations without rehashing support 
Reviewed-by: gziemski, jmasa, brutisso, coleenp, tschatzl
 2014-08-29 13:08:01 +02:00
Albert Noll
7722b3d097 8035946: Use ResourceHashtable for dependency checking 
Use ResourceHashtable for dependency checking and delete GenericHashtable

Reviewed-by: kvn, coleenp
 2014-03-03 08:04:14 +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
Yumin Qi
a90e842e0c 8033792: AltHashing used jint for imprecise bit shifting 
AltHashing used jint the way of juint in bit shifting which could lead loss of precision. Fix  by change _seed defined as juint.

Reviewed-by: coleenp, ccheung
 2014-02-10 21:29:14 -08:00
Mikael Vidstedt
a0da47fd66 8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013 
Copyright year updated for files modified during 2013

Reviewed-by: twisti, iveresov
 2013-12-24 11:48:39 -08:00
Ioi Lam
f9ae3b46de 8014262: PrintStringTableStatistics should include more footprint info 
Added info for the string/symbol objects and the hash entries

Reviewed-by: coleenp, rbackman
 2013-05-18 20:41:01 -07:00
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
Andrew John Hughes
7c357b0628 7186278: Build error after CR#6995781 / 7151532 with GCC 4.7.0 
Templates need this object if not using template parameter in call

Reviewed-by: coleenp, kamg, dholmes
 2012-07-31 16:01:56 -04:00
Coleen Phillimore
559278381b 7181200: JVM new hashing code breaks SA in product mode 
Made new_hash() overloaded rather than a virtual function so SA code doesn't need to be changed.

Reviewed-by: kvn, acorn, dholmes, fparain
 2012-07-04 15:55:45 -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
Coleen Phillimore
dc5fe663cb 7178670: runtime/7158800/BadUtf8.java fails in SymbolTable::rehash_table 
Cannot delete _buckets and HashtableEntries in shared space (CDS)

Reviewed-by: acorn, kvn, dlong, dcubed, kamg
 2012-06-25 21:33:35 -04:00
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
Karen Kinnear
ce074f86c3 7114376: Make system dictionary hashtable bucket array size configurable 
7u4 new experimental flag -XX:PredictedClassLoadedCount=#

Reviewed-by: dholmes, phh, dcubed
 2012-01-30 23:27:30 -05:00
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
Volker Simonis
5e83438315 7019689: Non-dependent name is found in dependent base class although it should be rejected 
Fix hashtable.hpp to qualify non-dependant name with "this"

Reviewed-by: phh, never, poonam
 2011-02-16 17:12:31 -05:00
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
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
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
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00