Poonam Bajaj
6d21b1e4cd
6822407: heapOopSize lookup is incorrect in Serviceability Agent
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HeapOopSize symbol should be declared as constant in vmStructs and should not be looked up in readVMIntConstants().
Reviewed-by: never, swamyv, coleenp
2009-03-27 10:29:54 -07:00
Tom Rodriguez
3b786f8edc
Merge
2009-03-26 14:39:39 -07:00
Tom Rodriguez
134debb0ba
6822204: volatile fences should prefer lock:addl to actual mfence instructions
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Reviewed-by: kvn, phh
2009-03-26 14:31:45 -07:00
Andrey Petrusenko
cf2ae8d98d
6543938: G1: remove the concept of popularity
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Reviewed-by: iveresov, tonyp
2009-03-25 13:10:54 -07:00
Coleen Phillimore
cec3a034d1
6541756: Reduce executable C-heap
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Add executable parameters to reserve_memory and commit_memory to reduce executable memory to only the Code Heap.
Reviewed-by: xlu, kvn, acorn
2009-03-25 14:19:20 -04:00
Paul Hohensee
5231fcdc40
6810653: Change String cache class used by Hotspot from String to StringValue
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Change create_vm() to load and initialize StringValue rather than String.
Reviewed-by: kvn
2009-03-24 21:56:53 -04:00
John R Rose
cfb08c72ba
6814659: separable cleanups and subroutines for 6655638
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Preparatory but separable changes for method handles
Reviewed-by: kvn, never
2009-03-20 23:19:36 -07:00
Vladimir Kozlov
41463d1d3a
Merge
2009-03-19 09:13:24 -07:00
Vladimir Kozlov
f210928e73
6816308: Changes to allow builds with latest Windows SDK 6.1 on 64bit Windows 2003
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Allow Hotspot builds with latest Windows SDK 6.1 on 64bit Windows 2003
Reviewed-by: ohair, tbell, jcoomes
2009-03-16 15:06:33 -07:00
Christian Thalinger
de67e52949
6378821: bitCount() should use POPC on SPARC processors and AMD+10h
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BitCount() should use POPC on SPARC processors where POPC is implemented directly in hardware.
Reviewed-by: kvn, never
2009-03-13 11:35:17 -07:00
Erik Trimble
8d6035660e
Merge
2009-03-12 18:16:36 -07:00
Vladimir Kozlov
69f9ddee90
6791178: Specialize for zero as the compressed oop vm heap base
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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
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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
Antonios Printezis
faf22e51ad
Merge
2009-03-09 11:32:57 -04:00
Karen Kinnear
a23cbf5b96
Merge
2009-03-05 22:07:29 -05:00
Y. Srinivas Ramakrishna
ce3f3161da
6824570: ParNew: Fix memory leak introduced in 6819891
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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
Y. Srinivas Ramakrishna
72bfacbd95
6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC
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Call newly created CollectedHeap::dump_{pre,post}_full_gc before and after every stop-world full collection cycle on GenCollectedHeap and ParallelScavengeHeap. (Support for G1CollectedHeap forthcoming under CR 6810861.) Small modifications to existing heap dumping and class histogram implementation, especially to allow multiple on-the-fly histos/dumps by the VM thread during a single safepoint.
Reviewed-by: jmasa, alanb, mchung
2009-03-02 16:37:04 -08:00
Daniel D. Daugherty
8aa430beb0
Merge
2009-03-02 14:43:36 -07:00
Daniel D. Daugherty
da3f81559f
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
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Remove incorrect optimization in klassItable::adjust_method_entries(). Add RedefineClasses() tracing support for obsolete method entry.
Reviewed-by: acorn, swamyv
2009-03-02 14:03:03 -07:00
Daniel D. Daugherty
56fe18e375
6800721: 3/4 JavaThread::jvmti_thread_state() and JvmtiThreadState::state_for() robustness
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Check for NULL return values from jvmti_thread_state() and state_for() and return a JVM TI error code as appropriate.
Reviewed-by: coleenp, swamyv
2009-03-02 14:00:23 -07:00
Christian Thalinger
05d1de7727
6810672: Comment typos
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I have collected some typos I have found while looking at the code.
Reviewed-by: kvn, never
2009-02-27 13:27:09 -08:00
Vladimir Kozlov
681eb89b31
Merge
2009-02-17 14:30:24 -08:00
Y. Srinivas Ramakrishna
0badccf962
6800586: -XX:+PrintGCDateStamps is using mt-unsafe localtime function
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Replaced localtime() with localtime_r() on Solaris and Linux.
Reviewed-by: apetrusenko, dholmes, jmasa
2009-02-09 12:26:05 -08:00
Jon Masamitsu
3b5d6a04dd
6690928: Use spinning in combination with yields for workstealing termination
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Substitute a spin loop for most calls to yield() to reduce the stress on the system.
Reviewed-by: tonyp
2009-02-08 13:18:01 -08:00
Vladimir Kozlov
72b75d1adf
6788376: allow to ignore unrecognized VM options
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Add new product flag -XX:+IgnoreUnrecognizedVMOptions
Reviewed-by: ysr, xlu
2009-02-05 13:38:52 -08:00
Y. Srinivas Ramakrishna
d981bd442b
6787254: Work queue capacity can be increased substantially on some platforms
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Increased the default and maximum size of the CMS marking stack and the size of the parallel workers' work queues in 64-bit mode. The latter was accomplished by an increase in the width of the Taskqueue's Age struct and its Tag field in 64-bit mode.
Reviewed-by: jmasa, tonyp
2009-01-30 14:17:52 -08:00
Y. Srinivas Ramakrishna
34b247f068
Merge
2009-01-29 21:25:42 -08:00
Y. Srinivas Ramakrishna
f031c45430
6786503: Overflow list performance can be improved
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Avoid overflow list walk in CMS & ParNew when it is unnecessary. Fix a couple of correctness issues, including a C-heap leak, in ParNew at the intersection of promotion failure, work queue overflow and object array chunking. Add stress testing option and related assertion checking.
Reviewed-by: jmasa
2009-01-26 12:47:21 -08:00
Paul Hohensee
73aaa40e09
6792705: Add JAR file to bootclasspath when using AggressiveOpts
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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
Coleen Phillimore
76f79d82ad
Merge
2009-01-09 14:39:07 -05:00
Tom Rodriguez
956dc037db
Merge
2009-01-06 16:10:11 -08:00
Karen Kinnear
315de68fc0
4670071: loadClassInternal is too restrictive
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VM support for deadlock fix. Library fix in 4735126. See API proposal.
Reviewed-by: dholmes, blacklion
2009-01-05 13:44:03 -05:00
Xiaobin Lu
f05b009ce8
6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2
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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
Gary Benson
347b8afe5b
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
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Replaces SharedRuntime::f2i et al with versions that should work
Reviewed-by: never
2008-12-22 15:43:02 -08:00
Erik Trimble
ac1f463988
Merge
2008-12-20 09:58:36 -08:00
Erik Trimble
efd43c045a
Merge
2008-12-20 09:57:03 -08:00
Xiaobin Lu
34c4172bfe
Merge
2008-12-20 00:45:18 -08:00
Poonam Bajaj
0f5687c1eb
6786340: hs14b09a pit: a lot of tests failed in "-server -Xcomp" on solaris-amd64 using fastdebug bits
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Fixes the nsk-jdi PIT failures introduced by fix for 6739363
Reviewed-by: kvn, coleenp
2008-12-18 17:28:41 -08:00
Xiomara Jayasena
99f0eac1a2
6785258: Update copyright year
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Update copyright for files that have been modified starting July 2008 to Dec 2008
Reviewed-by: katleman, ohair, tbell
2008-12-15 16:55:11 -08:00
Swamy Venkataramanappa
06e37c03fb
6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes
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Reviewed-by: ysr, mchung
2008-12-15 13:58:57 -08:00
Jon Masamitsu
31308ae8e4
Merge
2008-12-12 15:37:46 -08:00
Lev Serebryakov
0d7bfcafab
Merge
2008-12-12 10:19:39 -08:00
Vladimir Kozlov
6483f9c7f8
Merge
2008-12-11 17:20:10 -08:00
John Coomes
8fc946854c
6765954: par compact - stress mode for splitting young gen spaces
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Reviewed-by: jmasa
2008-12-11 12:05:21 -08:00
John Coomes
000b184507
6578152: fill_region_with_object has usability and safety issues
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Reviewed-by: apetrusenko, ysr
2008-12-11 12:05:08 -08:00
Lev Serebryakov
92ea783f35
6639341: sometimes contended-exit event comes after contended-entered on another thread
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DTrace probe "contended-exit" should be fired before unparking object, or context could be lost. Probe firing was moved to proper place.
Reviewed-by: coleenp, kamg
2008-12-11 03:22:04 -08:00
Coleen Phillimore
e0d2bfab81
6727377: VM stack guard pages on Windows should PAGE_READWRITE not PAGE_EXECUTE_READWRITE
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Make reguard_stack change access to RW, not execute and use os::protect_memory with the new parameter when change needed to X.
Reviewed-by: acorn, jcoomes
2008-12-10 15:14:29 -08:00
John R Rose
e50f766540
6779339: turn off LinkWellKnownClasses by default pending further testing
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Temporarily turn off LinkWellKnownClasses optimization
Reviewed-by: never, kvn
2008-12-08 17:15:02 -08:00
Lev Serebryakov
1d59997abe
Merge
2008-12-05 15:06:37 -05:00
Poonam Bajaj
9330807714
Merge
2008-12-04 17:48:02 -08:00
