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315 Commits

Author SHA1 Message Date
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
Antonios Printezis
1215bc6717 6855834: G1: minimize the output when -XX:+PrintHeapAtGC is set 
Changing the behavior of -XX:+PrintHeapAtGC for G1 from printing lengthy, per-region information to instead printing a concise summary.

Reviewed-by: ysr, apetrusenko, jcoomes
 2009-07-07 14:23:00 -04:00
Vladimir Kozlov
9d4cd45834 Merge 2009-07-01 15:06:54 -07:00
Mandy Chung
08f5aeffc1 6857194: Add hotspot perf counters to aid class loading performance measurement 
Add new jvmstat counters to measure detailed class loading time

Reviewed-by: acorn, kamg
 2009-07-10 11:10:00 -07:00
Vladimir Kozlov
7b9d6a79ac 6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14 
Disable escape analysis when jvmti/debugger is used. Add support for EA ibto SA.

Reviewed-by: never
 2009-06-09 16:19:10 -07:00
Y. Srinivas Ramakrishna
9d9317de4c 6820167: GCALotAtAllSafepoints + FullGCALot(ScavengeALot) options crash JVM 
Short-circuit gc-a-lot attempts by non-JavaThreads; SkipGCALot c'tor to elide re-entrant gc-a-lot attempts.

Reviewed-by: apetrusenko, jcoomes, jmasa, kamg
 2009-06-11 12:40:00 -07:00
Jon Masamitsu
46dcdf10e6 Merge 2009-06-10 14:57:21 -07:00
Changpeng Fang
0429abd38a 6848466: frame::frame_size() assertion failure with -XX:+DebugDeoptimization 
Add a RegisterMap* argument to frame::frame_size() to correctly compute the sender frame

Reviewed-by: never
 2009-06-05 10:25:39 -07:00
Igor Veresov
8c764e214c 6484957: G1: parallel concurrent refinement 
6826318: G1: remove traversal-based refinement code

Removed traversal-based refinement code as it's no longer used. Made the concurrent refinement (queue-based) parallel.

Reviewed-by: tonyp
 2009-05-11 16:30:56 -07:00
Vladimir Kozlov
b5cff6a1a0 Merge 2009-05-08 10:34:31 -07:00
Christian Thalinger
6a270f9f19 6823354: Add intrinsics for {Integer,Long}.{numberOfLeadingZeros,numberOfTrailingZeros}() 
These methods can be instrinsified by using bit scan, bit test, and population count instructions.

Reviewed-by: kvn, never
 2009-05-06 00:27:52 -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
Vladimir Kozlov
2c4602adb3 6834177: Running jsynprog on Solaris Nevada can cause JVM crash 
Use CodeCache buffer blob instead of static buffer in AdapterHandlerLibrary.

Reviewed-by: never
 2009-04-29 12:58:09 -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
Xiaobin Lu
62fa852746 6699669: Hotspot server leaves synchronized block with monitor in bad state 
Remove usage of _highest_lock field in Thread so that is_lock_owned won't depend on the correct update of that field.

Reviewed-by: never, dice, acorn
 2009-04-06 15:47:39 -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
Karen Kinnear
1f5324fed4 6825642: nsk sajdi tests fail with NullPointerException 
Reviewed-by: xlu, coleenp, kamg, swamyv
 2009-04-02 14:26:42 -04:00
Tom Rodriguez
e36afee3bd Merge 2009-04-02 10:49:41 -07:00
Andrey Petrusenko
a8f9284064 Merge 2009-04-02 05:22:02 -07:00
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
aee9449305 Merge 2009-03-31 10:02:01 -07:00
Vladimir Kozlov
705188bb7b 6821700: tune VM flags for peak performance 
Tune C2 flags default values for performance.

Reviewed-by: never, phh, iveresov, jmasa, ysr
 2009-03-30 18:19:31 -07:00
Y. Srinivas Ramakrishna
137a679446 6819891: ParNew: Fix work queue overflow code to deal correctly with +UseCompressedOops 
When using compressed oops, rather than chaining the overflowed grey objects' pre-images through their klass words, we use GC-worker thread-local overflow stacks.

Reviewed-by: jcoomes, jmasa
 2009-03-28 15:47:29 -07:00
Poonam Bajaj
6d21b1e4cd 6822407: heapOopSize lookup is incorrect in Serviceability Agent 
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 
Reviewed-by: kvn, phh
 2009-03-26 14:31:45 -07:00
Andrey Petrusenko
cf2ae8d98d 6543938: G1: remove the concept of popularity 
Reviewed-by: iveresov, tonyp
 2009-03-25 13:10:54 -07:00
Coleen Phillimore
cec3a034d1 6541756: Reduce executable C-heap 
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 
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 
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 
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 
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 
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
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 
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 
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 
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 
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 
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 
Replaced localtime() with localtime_r() on Solaris and Linux.

Reviewed-by: apetrusenko, dholmes, jmasa
 2009-02-09 12:26:05 -08:00