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181 Commits

Author SHA1 Message Date
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
Vladimir Kozlov
cc18a50e59 6916623: Align object to 16 bytes to use Compressed Oops with java heap up to 64Gb 
Added new product ObjectAlignmentInBytes flag to control object alignment.

Reviewed-by: twisti, ysr, iveresov
 2010-05-27 18:01:56 -07:00
Christian Thalinger
0211f9703a 6943304: remove tagged stack interpreter 
Reviewed-by: coleenp, never, gbenson
 2010-04-30 08:37:24 -07:00
Antonios Printezis
a6d2266193 6949307: G1: raise a vm error, do not core dump, if target pause time and target interval are inconsistent 
First, change the guarantee to raising a vm error. Second, set the interval dynamically, and based on the pause time target, if it is not set explicitly.

Reviewed-by: ysr, johnc
 2010-05-07 13:14:41 -04:00
Antonios Printezis
972acdab81 6937160: G1: should observe GCTimeRatio 
Remove the G1GCPercent parameter, that specifies the desired GC overhead percentage in G1, and observe the GCTimeRatio parameter instead.

Reviewed-by: jmasa, johnc
 2010-03-30 15:36:55 -04:00
Andrey Petrusenko
531591c2b9 Merge 2010-03-22 02:40:53 -07:00
Christian Thalinger
1270c6c005 6932091: JSR 292 x86 code cleanup 
Some code cleanups found during the JSR 292 SPARC port.

Reviewed-by: kvn, never
 2010-03-18 09:56:51 +01:00
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
Jon Masamitsu
f254745228 6928081: G1: rename parameters common with CMS 
Rename marking stack sizing flags to be common between G1 and CMS

Reviewed-by: ysr, tonyp
 2010-02-24 07:00:33 -08:00
Antonios Printezis
77b2dfce1d 6928073: G1: use existing command line parameters for marking cycle initiation 
Replace the combination of the G1SteadyStateUsed / G1SteadyStateUsedDelta parameteres to decide the marking initiation threshold and instead use InitiatingHeapOccupancyPercent.

Reviewed-by: ysr, johnc
 2010-02-23 23:14:34 -05:00
Vladimir Kozlov
9110d86267 Merge 2010-02-12 15:27:36 -08:00
Vladimir Kozlov
2fd8d35905 6923002: assert(false,"this call site should not be polymorphic") 
Clear the total count when a receiver information is cleared.

Reviewed-by: never, jrose
 2010-02-07 12:15:06 -08:00
John Cuthbertson
b34027a600 6885297: java -XX:RefDiscoveryPolicy=2 or -XX:TLABWasteTargetPercent=0 cause VM crash 
Interval checking is now being performed on the values passed in for these two flags. The current acceptable range for RefDiscoveryPolicy is [0..1], and for TLABWasteTargetPercent it is [1..100].

Reviewed-by: apetrusenko, ysr
 2010-01-29 14:51:38 -08:00
Eric Caspole
f557cc8bd0 6919886: Sweep CodeCache more aggressively to reduce its usage for CompileTheWorld 
Add safepoint after CompileTheWorldSafepointInterval (100) compilations and do full sweep of CodeCache each time.

Reviewed-by: never
 2010-01-26 08:53:24 -08:00
Igor Veresov
ba4994e447 Merge 2010-01-12 13:54:40 -08:00
Y. Srinivas Ramakrishna
c0174fb200 Merge 2010-01-09 09:01:41 -08:00
John R Rose
fdbb64ef71 6912062: disassembler plugin needs to produce symbolic information in product mode 
More informative disassembly in product mode.  Also, a more consistent CompileCommand syntax.

Reviewed-by: never
 2010-01-08 13:47:01 -08:00
Gary Benson
5d66f5aca8 6914622: Print values of all flags for product VM 
Change the flag -XX:+PrintFlagsFinal to product and add new product flag -XX:+PrintFlagsInitial.

Reviewed-by: phh, ysr
 2010-01-07 16:24:17 -08:00
Y. Srinivas Ramakrishna
642d1bc555 6637203: Classunloading messages go to stdout rather than Xloggc file, causing hangs when stdout is closed 
Decoupled TraceClassUnloading from verbose:gc, JVMTI_VERBOSE_GC and PrintGC[Details], making it settable in a manner identical to TraceClassLoading. Reverted an inadvertent change of TraceClassUnloading output in a previous changeset from gclog back to tty.

Reviewed-by: coleenp, dholmes, jmasa, poonam
 2010-01-04 14:51:26 -08:00
Christian Thalinger
caf28727eb 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164) 
During the work for 6829187 we have fixed a number of basic bugs which are logically grouped with 6815692 and 6858164 but which must be reviewed and pushed separately.

Reviewed-by: kvn, never
 2010-01-04 18:38:08 +01:00
Gary Benson
915d9602fe 6909153: Fix broken options on Zero 
Smaller fixes to ensure that Zero still works with non-standard options.

Reviewed-by: twisti
 2010-01-04 00:22:57 -08:00
Y. Srinivas Ramakrishna
272a6d47bb 6631166: CMS: better heuristics when combatting fragmentation 
Autonomic per-worker free block cache sizing, tunable coalition policies, fixes to per-size block statistics, retuned gain and bandwidth of some feedback loop filters to allow quicker reactivity to abrupt changes in ambient demand, and other heuristics to reduce fragmentation of the CMS old gen. Also tightened some assertions, including those related to locking.

Reviewed-by: jmasa
 2009-12-23 09:23:54 -08:00
Paul Hohensee
4aba621c22 6900899: vm fails to start when -Xmx value is less than OldSize + NewSize 
Set minimum heap size to min(OldSize + NewSize, MaxHeapSize) in Arguments::set_heap_size().

Reviewed-by: kvn, ysr, tonyp
 2009-11-20 16:22:38 -05:00
Keith McGuigan
01b706e9f9 Merge 2009-11-11 09:13:12 -05:00
Roland Westrelin
7eea7dcfe4 6769124: various 64-bit fixes for c1 
Reviewed-by: never
 2009-11-02 11:17:55 +01:00
Paul Hohensee
2f7d60fa36 6887571: Increase default heap config sizes 
Apply modification of existing server heap size ergo to all collectors except CMS.

Reviewed-by: jmasa, ysr, xlu
 2009-10-28 16:25:51 -04:00
Gary Benson
5473f394c6 6890308: integrate zero assembler hotspot changes 
Reviewed-by: never
 2009-10-13 12:04:21 -07:00
John R Rose
40d52710f6 Merge 2009-09-23 23:56:15 -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
e42ca11cd1 6872136: CMS: confusing message may be printed when a collector is switched off implicitly 
Fix CDS/CMS option overrides related to iCMS option CMSIncrementalMode; explicate overrides to error stream.

Reviewed-by: coleenp
 2009-09-10 16:46:17 -07:00
Vladimir Kozlov
2a362d8b87 6873800: enable compressed oops by default 
Enable compressed oops by default

Reviewed-by: never, ysr
 2009-08-24 11:13:46 -07:00
Jon Masamitsu
d9b7798319 6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG 
Use NewRatio if it is explicitly set.

Reviewed-by: ysr, jcoomes
 2009-08-02 18:44:36 -07:00
Y. Srinivas Ramakrishna
075c1335cb 6700789: G1: Enable use of compressed oops with G1 heaps 
Modifications to G1 so as to allow the use of compressed oops.

Reviewed-by: apetrusenko, coleenp, jmasa, kvn, never, phh, tonyp
 2009-07-14 15:40:39 -07:00
John Cuthbertson
55750920b4 6490395: G1: Tidy up command line flags 
Change G1 flag names to be more consistent and disable some in 'product' mode.

Reviewed-by: tonyp, iveresov
 2009-04-30 15:07:53 -07:00
John R Rose
34c1d72421 6655646: dynamic languages need dynamically linked call sites 
Invokedynamic instruction (JSR 292 RI)

Reviewed-by: twisti, never
 2009-04-21 23:21:04 -07:00
Tom Rodriguez
62717f091a Merge 2009-04-14 12:25:54 -07:00
John R Rose
ce0c084720 6655638: dynamic languages need method handles 
Initial implementation, with known omissions (x86/64, sparc, compiler optim., c-oops, C++ interp.)

Reviewed-by: kvn, twisti, never
 2009-04-08 10:56:49 -07:00
Y. Srinivas Ramakrishna
e1b2c1c442 Merge 2009-04-03 15:59:19 -07:00
Karen Kinnear
d4f2196cd0 Merge 2009-04-02 18:17:03 -04:00
Paul Hohensee
4be7c3c672 6819213: revive sun.boot.library.path 
Support multiplex and mutable sun.boot.library.path

Reviewed-by: acorn, dcubed, xlu
 2009-04-01 16:38:01 -04:00
Changpeng Fang
c0d62ad9e6 6761600: Use sse 4.2 in intrinsics 
Use SSE 4.2 in intrinsics for String.{compareTo/equals/indexOf} and Arrays.equals.

Reviewed-by: kvn, never, jrose
 2009-03-31 14:07:08 -07:00
Vladimir Kozlov
41463d1d3a Merge 2009-03-19 09:13:24 -07:00
Vladimir Kozlov
69f9ddee90 6791178: Specialize for zero as the compressed oop vm heap base 
Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.

Reviewed-by: never, twisti, jcoomes, coleenp
 2009-03-12 10:37:46 -07:00
Xiomara Jayasena
2be2e027b0 6814575: Update copyright year 
Update copyright for files that have been modified in 2009, up to 03/09

Reviewed-by: katleman, tbell, ohair
 2009-03-09 13:28:46 -07:00
Y. Srinivas Ramakrishna
ce3f3161da 6824570: ParNew: Fix memory leak introduced in 6819891 
Allocate worker-local overflow stacks, introduced in 6819891, along with ParNewGeneration, rather than with the per-scavenge ParScanThreadState.

Reviewed-by: jmasa
 2009-04-02 15:57:41 -07:00
Vladimir Kozlov
681eb89b31 Merge 2009-02-17 14:30:24 -08:00
Vladimir Kozlov
72b75d1adf 6788376: allow to ignore unrecognized VM options 
Add new product flag -XX:+IgnoreUnrecognizedVMOptions

Reviewed-by: ysr, xlu
 2009-02-05 13:38:52 -08:00
Paul Hohensee
73aaa40e09 6792705: Add JAR file to bootclasspath when using AggressiveOpts 
During argument processing, add alt-rt.jar to the bootclasspath between bootclasspath/p and default elements.

Reviewed-by: xlu, coleenp
 2009-01-21 11:14:19 -05:00
Xiaobin Lu
f05b009ce8 6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2 
Fixed the wrong cast between types since more restrictions are imposed by gcc 4.3.2

Reviewed-by: jcoomes, acorn, phh, never
 2008-12-24 19:13:53 -08:00
Swamy Venkataramanappa
06e37c03fb 6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes 
Reviewed-by: ysr, mchung
 2008-12-15 13:58:57 -08:00