171 Commits

Author	SHA1	Message	Date
Keith McGuigan	ae65c6240f	6458402: 3 jvmti tests fail with CMS and +ExplicitGCInvokesConcurrent ... Make JvmtiGCMark safe to run non-safepoint and instrument CMS Reviewed-by: ysr, dcubed	2011-01-10 17:14:53 -05:00
Y. Srinivas Ramakrishna	874098b1c6	Merge	2010-12-09 21:47:58 -08:00
Antonios Printezis	edcfaf0f84	6994056: G1: when GC locker is active, extend the Eden instead of allocating into the old gen ... Allow the eden to the expanded up to a point when the GC locker is active. Reviewed-by: jwilhelm, johnc, ysr, jcoomes	2010-12-07 16:47:42 -05:00
Ivan P Krylov	9802f91e66	6348631: remove the use of the HPI library from Hotspot ... Move functions from hpi library to hotspot, communicate with licensees and open source community, check jdk for dependency, file CCC request Reviewed-by: coleenp, acorn, dsamersoff	2010-12-01 18:26:32 -05:00
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
John Coomes	f07d7731aa	Merge	2010-11-01 10:49:14 -07:00
Y. Srinivas Ramakrishna	cbc7f8756a	6896603: CMS/GCH: collection_attempt_is_safe() ergo should use more recent data ... Deprecated HandlePromotionFailure, removing the ability to turn off that feature, did away with one epoch look-ahead when deciding if a scavenge is likely to fail, relying on current data. Reviewed-by: jmasa, johnc, poonam	2010-10-23 23:03:49 -07:00
Y. Srinivas Ramakrishna	554e77efb4	6992998: CMSWaitDuration=0 causes hangs with +ExplicitGCInvokesConcurrent ... Closed a timing hole during which concurrent full gc requests can be missed. The hole can increase the latency of the response to a full gc request by up to the value of CMSWaitDuration. If CMSWaitDuration=0 is, as currently, interpreted as an unbounded wait, suitable in certain tuning scenarios, the application can potentially hang. Made two obscure tunables, including CMSWaitDuration, manageable. Reviewed-by: jcoomes, tonyp	2010-10-21 17:29:24 -07:00
Igor Veresov	6a17d9c416	6989669: Coops: -Xshare:dump causes crash ... Temporarily fix to disable compressed oops with CDS Reviewed-by: dholmes, twisti, kvn, never	2010-10-19 11:14:52 -07:00
Karen Kinnear	7d2a7e7452	Merge	2010-10-13 11:46:46 -04:00
Keith McGuigan	da95f5319e	6392697: Additional flag needed to supress Hotspot warning messages ... Apply PrintJvmWarnings flag to all warnings Reviewed-by: coleenp, phh	2010-10-12 10:57:33 -04:00
John Coomes	cdc9022728	Merge	2010-10-08 09:29:09 -07:00
Bob Vandette	72616ad2bc	6989297: Integrate additional portability improvements ... Reviewed-by: vladidan, dholmes	2010-10-07 15:12:57 -04:00
Y. Srinivas Ramakrishna	cf2163334f	6692906: CMS: parallel concurrent marking may be prone to hanging or stalling mutators for periods of time ... Inserted missing yield(check)s in closures used during the work-stealing phase of parallel concurrent marking, a missing synchronous yield-request in the cms perm gen allocation path, and a terminator-terminator for the offer_termination invocation that monitors the yield status of the concurrent marking task. Elaborated some documentation comments and made some task queue termination loop flags configurable at start-up to aid debugging in the field. Reviewed-by: jmasa, johnc, poonam	2010-09-29 16:17:02 -07:00
John Coomes	1cdd538ea5	6423256: GC stacks should use a better data structure ... 6942771: SEGV in ParScanThreadState::take_from_overflow_stack Reviewed-by: apetrusenko, ysr, pbk	2010-09-28 15:56:15 -07:00
Vladimir Kozlov	5e98ce13ab	Merge	2010-09-16 16:48:40 -07:00
Y. Srinivas Ramakrishna	2cb284f394	Merge	2010-09-11 11:42:09 -07:00
Y. Srinivas Ramakrishna	f53d569221	6983930: CMS: Various small cleanups ca September 2010 ... Fixed comment/documentation typos; converted some guarantee()s to assert()s. Reviewed-by: jmasa	2010-09-10 17:07:55 -07:00
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
Ivan P Krylov	5d5bcb4bca	6979444: add command line option to print command line flags descriptions ... Implementation of a nonproduct boolean flag XX:PrintFlagsWithComments Reviewed-by: kamg, dholmes, dsamersoff	2010-08-31 03:14:00 -07:00
Tom Rodriguez	d486ceec9f	Merge	2010-08-25 10:31:45 -07:00
John R Rose	c7e50e8305	6912064: type profiles need to be exploited more for dynamic language support ... Reviewed-by: kvn	2010-08-20 23:40:30 -07:00
Y. Srinivas Ramakrishna	77f845359a	6948538: CMS: BOT walkers can fall into object allocation and initialization cracks ... GC workers now recognize an intermediate transient state of blocks which are allocated but have not yet completed initialization. blk_start() calls do not attempt to determine the size of a block in the transient state, rather waiting for the block to become initialized so that it is safe to query its size. Audited and ensured the order of initialization of object fields (klass, free bit and size) to respect block state transition protocol. Also included some new assertion checking code enabled in debug mode. Reviewed-by: chrisphi, johnc, poonam	2010-08-16 15:58:42 -07:00
John Cuthbertson	becf7cffb3	Merge	2010-08-14 00:47:52 -07:00
Gary Benson	d7310fb0f7	6976186: integrate Shark HotSpot changes ... Shark is a JIT compiler for Zero that uses the LLVM compiler infrastructure. Reviewed-by: kvn, twisti	2010-08-11 05:51:21 -07:00
Tom Rodriguez	68ff9b2b00	Merge	2010-08-09 17:51:56 -07:00
Bob Vandette	b95c7e9523	6953477: Increase portability and flexibility of building Hotspot ... A collection of portability improvements including shared code support for PPC, ARM platforms, software floating point, cross compilation support and improvements in error crash detail. Reviewed-by: phh, never, coleenp, dholmes	2010-08-03 08:13:38 -04:00
Vladimir Kozlov	f0b6dc4e4f	6973308: Missing zero length check before repne scas in check_klass_subtype_slow_path() ... Set Z = 0 (not equal) before repne_scan() to indicate that class was not found when RCX == 0. Reviewed-by: never, phh	2010-07-30 10:21:15 -07:00
Antonios Printezis	38ab95c64b	6962589: remove breadth first scanning code from parallel gc ... Remove the breadth-first copying order from ParallelScavenge and use depth-first by default. Reviewed-by: jcoomes, ysr, johnc	2010-07-22 10:27:41 -04:00
John R Rose	a4e4149340	6964498: JSR 292 invokedynamic sites need local bootstrap methods ... Add JVM_CONSTANT_InvokeDynamic records to constant pool to determine per-instruction BSMs. Reviewed-by: twisti	2010-07-15 18:40:45 -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
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
Coleen Phillimore	d64aeff387	Merge	2010-06-04 17:44:51 -04:00
Karen Kinnear	9934e0af8e	6852873: Reduce safepoint cleanup time ... New optional flags to reduce inflated monitor cleanup times Reviewed-by: chrisphi, dice	2010-06-03 13:21:47 -04:00
John R Rose	d6a9b93b5a	Merge	2010-06-02 22:45:42 -07:00
John R Rose	be95b163a6	6957080: MethodComparator needs stress testing ... Add a stress-test flag for running MethodComparator over many inputs. Fix bugs that crop up. Reviewed-by: kvn	2010-05-29 19:22:32 -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
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
John R Rose	a13355babf	Merge	2010-05-20 01:34:22 -07:00
Eric Caspole	430574f398	6950075: nmethod sweeper should operate concurrently ... Reviewed-by: never, kvn	2010-05-17 16:50:07 -07:00
John Coomes	d14dfb51af	Merge	2010-05-13 13:05:47 -07:00
John R Rose	71599d89d4	Merge	2010-05-11 15:19:19 -07:00
Y. Srinivas Ramakrishna	d14cf2e13c	6919638: CMS: ExplicitGCInvokesConcurrent misinteracts with gc locker ... GC-locker induced concurrent full gc should be asynchronous; policy now controlled by a separate flag, which defaults to false. Reviewed-by: jmasa	2010-05-03 20:19:05 -07:00
Y. Srinivas Ramakrishna	762f60d343	6948537: CMS: BOT walkers observe out-of-thin-air zeros on sun4v sparc/CMT ... On sun4v/CMT avoid use of memset() in BOT updates so as to prevent concurrent BOT readers from seeing the phantom zeros arising from memset()'s use of BIS. Reviewed-by: jmasa, johnc, minqi, poonam, tonyp	2010-05-03 10:24:51 -07:00
Christian Thalinger	0211f9703a	6943304: remove tagged stack interpreter ... Reviewed-by: coleenp, never, gbenson	2010-04-30 08:37:24 -07:00
John Coomes	99196ff9ca	6888954: argument formatting for assert() and friends ... Reviewed-by: kvn, twisti, apetrusenko, never, dcubed	2010-04-22 13:23:15 -07:00
Vladimir Kozlov	f6934fd3b7	6940726: Use BIS instruction for allocation prefetch on Sparc ... Use BIS instruction for allocation prefetch on Sparc Reviewed-by: twisti	2010-04-07 12:39:27 -07:00
Vladimir Kozlov	629d139cac	6940733: allocate non static oop fields in super and sub classes together ... Use FieldsAllocationStyle=2 to allocate non static oop fields in super and sub classes together Reviewed-by: twisti	2010-04-07 10:35:56 -07:00
Vladimir Kozlov	5f8098a402	6940701: Don't align loops in stubs for Niagara sparc ... Don't align loops in stubs for Niagara sparc since NOPs are expensive. Reviewed-by: twisti, never	2010-04-07 09:37:47 -07:00
Vladimir Kozlov	6f0a3e4a80	Merge	2010-04-02 15:55:04 -07:00