John Cuthbertson
43a30ad483
7129271: G1: Interference from multiple threads in PrintGC/PrintGCDetails output
...
During an initial mark pause, signal the Concurrent Mark thread after the pause output from PrintGC/PrintGCDetails is complete.
Reviewed-by: tonyp, brutisso
2012-01-17 10:21:43 -08:00
Antonios Printezis
c9eb103b7f
7097586: G1: improve the per-space output when using jmap -heap
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Extend the jmap -heap output for G1 to include some more G1-specific information.
Reviewed-by: brutisso, johnc, poonam
2012-01-18 10:30:12 -05:00
Bengt Rutisson
c11ba93098
6976060: G1: humongous object allocations should initiate marking cycles when necessary
...
Reviewed-by: tonyp, johnc
2012-01-16 22:10:05 +01:00
Bengt Rutisson
af0211c200
7130334: G1: Change comments and error messages that refer to CMS in g1/concurrentMark.cpp/hpp
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Removed references to CMS in the concurrentMark.cpp/hpp files.
Reviewed-by: tonyp, jmasa, johnc
2012-01-16 11:21:21 +01:00
John Cuthbertson
dac656c955
7121547: G1: High number mispredicted branches while iterating over the marking bitmap
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There is a high number of mispredicted branches associated with calling BitMap::iteratate() from within CMBitMapRO::iterate(). Implement a version of CMBitMapRO::iterate() directly using inline-able routines.
Reviewed-by: tonyp, iveresov
2012-01-13 13:27:48 -08:00
Jiangli Zhou
6bc84f7865
7129240: backout fix for 7102776 until 7128770 is resolved
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Reviewed-by: phh, bobv, coleenp, dcubed
2012-01-11 19:54:34 -08:00
Paul Hohensee
8efd785f67
Merge
2012-01-11 17:58:26 -05:00
Markus Gronlund
007126d010
7115199: Add event tracing hooks and Java Flight Recorder infrastructure
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Added a nop tracing infrastructure, JFR makefile changes and other infrastructure used only by JFR.
Reviewed-by: acorn, sspitsyn
2012-01-11 17:34:02 -05:00
Vladimir Kozlov
791afc42da
7128352: assert(obj_node == obj) failed
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Compare uncasted object nodes.
Reviewed-by: never
2012-01-10 18:05:38 -08:00
Antonios Printezis
1d3b26e52b
6888336: G1: avoid explicitly marking and pushing objects in survivor spaces
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This change simplifies the interaction between GC and concurrent marking. By disabling survivor spaces during the initial-mark pause we don't need to propagate marks of objects we copy during each GC (since we never need to copy an explicitly marked object).
Reviewed-by: johnc, brutisso
2012-01-10 18:58:13 -05:00
Keith McGuigan
5c89631aef
Merge
2012-01-10 15:47:19 -05:00
Bengt Rutisson
2bf3afe882
7128532: G1: Change default value of G1DefaultMaxNewGenPercent to 80
...
Reviewed-by: tonyp, jmasa
2012-01-10 20:02:41 +01:00
Antonios Printezis
30bfc8f549
7125281: G1: heap expansion code is replicated
...
Reviewed-by: brutisso, johnc
2012-01-09 23:50:41 -05:00
Frederic Parain
849571d5b3
7120511: Add diagnostic commands
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Reviewed-by: acorn, phh, dcubed, sspitsyn
2012-01-09 10:27:24 +01:00
Vladimir Kozlov
94927c382b
7125896: Eliminate nested locks
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Nested locks elimination done before lock nodes expansion by looking for outer locks of the same object.
Reviewed-by: never, twisti
2012-01-07 13:26:43 -08:00
Vladimir Kozlov
f99fb50071
7110824: ctw/jarfiles/GUI3rdParty_jar/ob_mask_DateField crashes VM
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Change yank_if_dead() to recursive method to remove all dead inputs.
Reviewed-by: never
2012-01-07 10:39:23 -08:00
Antonios Printezis
90cdae9775
7121623: G1: always be able to reliably calculate the length of a forwarded chunked array
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Store the "next chunk start index" in the length field of the to-space object, instead of the from-space object, so that we can always reliably read the size of all from-space objects.
Reviewed-by: johnc, ysr, jmasa
2012-01-07 00:43:59 -05:00
Vladimir Kozlov
b93ca70b9b
Merge
2012-01-06 20:09:20 -08:00
Daniel D. Daugherty
74c45d049e
Merge
2012-01-06 16:18:29 -08:00
Jon Masamitsu
156b0a12aa
Merge
2012-01-05 21:02:05 -08:00
Igor Veresov
72f3f7db44
7119294: Two command line options cause JVM to crash
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Setup thread register in MacroAssembler::incr_allocated_bytes() on x64
Reviewed-by: kvn
2012-01-05 17:25:58 -08:00
Paul Hohensee
66388c03c9
Merge
2012-01-05 17:16:13 -05:00
Paul Hohensee
2cd87d4e3a
7126480: Make JVM start time in milliseconds since the Java epoch available
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Expose existing Management::_begin_vm_creation_time via new accessor Management::begin_vm_creation_time().
Reviewed-by: acorn, dcubed
2012-01-05 17:14:52 -05:00
Frederic Parain
1de4ad84a2
7125594: C-heap growth issue in ThreadService::find_deadlocks_at_safepoint
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Reviewed-by: sspitsyn, dcubed, mchung, dholmes
2012-01-05 07:26:44 -08:00
Daniel D. Daugherty
743a35d2dc
7127032: fix for 7122253 adds a JvmtiThreadState earlier than necessary
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Use JavaThread::jvmti_thread_state() instead of JvmtiThreadState::state_for().
Reviewed-by: coleenp, poonam, acorn
2012-01-05 06:24:52 -08:00
Jiangli Zhou
e6157688b4
Merge
2012-01-04 12:36:07 -05:00
Jon Masamitsu
95b987c3ac
Merge
2012-01-04 07:56:13 -08:00
Erik Gahlin
5782866b28
7126185: Clean up lasterror handling, add os::get_last_error()
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Add os::get_last_error(), replace getLastErrorString() by os::lasterror() in os_windows.cpp.
Reviewed-by: kamg, dholmes
2012-01-03 15:11:31 -05:00
Jon Masamitsu
d07885c3c6
Merge
2012-01-03 10:22:19 -08:00
Stefan Karlsson
e0ae7fac7c
7125503: Compiling collectedHeap.cpp fails with -Werror=int-to-pointer-cast with g++ 4.6.1
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Used uintptr_t and void* for all the casts and checks in test_is_in.
Reviewed-by: tonyp, jmasa
2012-01-02 10:01:46 +01:00
Karen Kinnear
c323bcdca8
7125934: Add a fast unordered timestamp capability to Hotspot on x86/x64
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Add rdtsc detection and inline generation.
Reviewed-by: kamg, dholmes
2012-01-01 11:17:59 -05:00
Vladimir Kozlov
05ec1c0816
7125879: assert(proj != NULL) failed: must be found
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Leave i_o attached to slow allocation call when there are no i_o users after the call.
Reviewed-by: iveresov, twisti
2011-12-30 11:43:06 -08:00
Vladimir Danushevsky
8a8eafcc47
Merge
2011-12-29 20:09:24 -05:00
Vladimir Kozlov
b6828ac542
Merge
2011-12-29 11:37:50 -08:00
Stefan Karlsson
24e4bf6a80
7125516: G1: ~ConcurrentMark() frees incorrectly
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Replaced the code with a ShouldNotReachHere
Reviewed-by: tonyp, jmasa
2011-12-29 07:37:23 +01:00
Jiangli Zhou
0671e90755
7123315: instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count should be u2 type
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Change instanceKlass::_static_oop_field_count and instanceKlass::_java_fields_count to u2 type.
Reviewed-by: never, bdelsart, dholmes
2011-12-28 12:15:57 -05:00
Aleksey Ignatenko
c7ec06ba8e
7124829: NUMA: memory leak on Linux with large pages
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In os::free_memory() use mmap with the same attributes as for the heap space
Reviewed-by: kvn
2011-12-27 16:43:49 -08:00
Vladimir Kozlov
f96f3e5e85
7123954: Some CTW test crash with SIGSEGV
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Correct Allocate expansion code to preserve i_o when only slow call is generated.
Reviewed-by: iveresov
2011-12-27 15:08:43 -08:00
Jon Masamitsu
3c164a7525
Merge
2011-12-27 12:38:49 -08:00
Vladimir Danushevsky
2b6f4a741d
Merge
2011-12-26 20:36:01 -05:00
Vladimir Kozlov
6c38bc48ca
7110832: ctw/.../org_apache_avalon_composition_util_StringHelper crashes the VM
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Distance is too large for one short branch in string_indexofC8().
Reviewed-by: iveresov
2011-12-23 15:24:36 -08:00
John Cuthbertson
39d61f89a2
7121496: G1: do the per-region evacuation failure handling work in parallel
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Parallelize the removal of self forwarding pointers etc. by wrapping in a HeapRegion closure, which is then wrapped inside an AbstractGangTask.
Reviewed-by: tonyp, iveresov
2011-12-23 11:14:18 -08:00
Jon Masamitsu
c18293c806
Merge
2012-01-05 21:21:55 -08:00
Antonios Printezis
3c0eb44a7c
7113006: G1: excessive ergo output when an evac failure happens
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Introduce a flag that is set when a heap expansion attempt during a GC fails so that we do not consantly attempt to expand the heap when it's going to fail anyway. This not only prevents the excessive ergo output (which is generated when a region allocation fails) but also avoids excessive and ultimately unsuccessful expansion attempts.
Reviewed-by: jmasa, johnc
2012-01-05 05:54:01 -05:00
Roland Westrelin
59b883333b
7123253: C1: in store check code, usage of registers may be incorrect
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Fix usage of input register in assembly code for store check.
Reviewed-by: never
2011-12-23 09:36:23 +01:00
Daniel D. Daugherty
c210a09fdf
7122253: Instrumentation.retransformClasses() leaks class bytes
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Change ClassFileParser::parseClassFile() to use the instanceKlass:_cached_class_file_bytes field to avoid leaking the cache.
Reviewed-by: coleenp, acorn, poonam
2011-12-22 12:50:42 -08:00
Vladimir Danushevsky
6446da199d
Merge
2011-12-22 12:01:46 -05:00
Roland Westrelin
c10042bc68
7123108: C1: assert(if_state != NULL) failed: states do not match up
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In CEE, ensure if and common successor state are at the same inline level
Reviewed-by: never
2011-12-22 10:55:53 +01:00
Coleen Phillimore
5232221c68
Merge
2011-12-21 18:22:14 -08:00
Thomas Wuerthinger
a4f6289b4f
7064927: retransformClasses() does not pass in LocalVariableTable of a method
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Handle LVT attribute in the class file reconstitutor.
Reviewed-by: phh, coleenp
2011-12-21 16:41:15 -05:00
