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67 commits

Author SHA1 Message Date
Patricio Chilano Mateo
57ece4c21a 8232733: Remove need to grab Threads_lock while processing handshakes 
Threads_lock is not acquired anymore while processing handshakes

Reviewed-by: coleenp, rehn, dcubed, dholmes
 2019-12-13 14:28:22 +00:00
Coleen Phillimore
b1d915ef80 8173361: various crashes in JvmtiExport::post_compiled_method_load 
Don't post information that uses metadata from unloaded nmethods

Reviewed-by: eosterlund, dholmes, sspitsyn
 2019-12-02 08:40:52 -05:00
Kim Barrett
19bed24b1f 8232588: G1 concurrent System.gc can return early or late 
8233279: G1: GCLocker GC with +GCLockerInvokesConcurrent spins while cycle in progress

Refactor G1CH::try_collect and fix bugs with concurrent collections.

Reviewed-by: tschatzl, sjohanss
 2019-11-13 18:00:30 -05:00
Leo Korinth
1fc67ab002 8232365: Implementation for JEP 363: Remove the Concurrent Mark Sweep (CMS) Garbage Collector 
Reviewed-by: kbarrett, tschatzl, erikj, coleenp, dholmes
 2019-11-13 11:37:29 +01:00
Markus Grönlund
8addc1418a 8226511: Implement JFR Event Streaming 
Co-authored-by: Erik Gahlin <erik.gahlin@oracle.com>
Co-authored-by: Mikhailo Seledtsov <mikhailo.seledtsov@oracle.com>
Reviewed-by: egahlin, mseledtsov, mgronlun
 2019-10-30 19:43:52 +01:00
Jie Fu
048b09bdbe 8232616: JVMCI_lock fails to get initialized when cds is disabled 
Reviewed-by: iklam, dholmes
 2019-10-18 20:28:16 +08:00
Kim Barrett
b8c7a95859 8232147: Remove notproduct option IgnoreLockingAssertions 
Removed option.

Reviewed-by: coleenp, dholmes
 2019-10-12 00:22:53 -04:00
Daniil Titov
7306526835 8170299: Debugger does not stop inside the low memory notifications code 
Reviewed-by: sspitsyn, dholmes
 2019-10-08 09:13:08 -07:00
Claes Redestad
fba19ffbb2 8230043: Lazily load libverify 
8230140: Remove unused mutex and monitor declarations

Reviewed-by: hseigel, erikj, alanb, dholmes
 2019-10-07 16:55:24 +02:00
Coleen Phillimore
98f454c9ca 8184732: Deadlock detection improvements for 'special' locks 
Assert that special ranked locks cannot safepoint and allow_vm_block and remove locks from the exceptional lock list in no_safepoint_verifier.

Reviewed-by: dholmes, eosterlund
 2019-09-30 13:10:11 -04:00
Coleen Phillimore
59dcb50e96 8231472: Clean up Monitor::_safepoint_check usage to Mutex::_safepoint_check 
Change Monitor:: to Mutex:: when allocating a Mutex, and in mutexLocker.

Reviewed-by: rehn, dholmes
 2019-09-27 07:56:02 -04:00
Daniil Titov
6ccf3351d7 8185005: Improve performance of ThreadMXBean.getThreadInfo(long ids[], int maxDepth) 
Reviewed-by: sspitsyn, dholmes, dcubed, rehn
 2019-09-25 11:10:05 -07:00
Coleen Phillimore
e49e9292d3 8213150: Add verification for locking by VMThread 
Extend verification for all locking not just VMOperations, and fix CLDG lock to not be taken by VM thread.

Reviewed-by: rehn, dholmes
 2019-09-24 10:12:56 -04:00
Robbin Ehn
35a9f6864a 8226705: [REDO] Deoptimize with handshakes 
Reviewed-by: eosterlund, dcubed, dlong, pchilanomate
 2019-09-19 10:52:22 +02:00
Coleen Phillimore
da18495f38 8230003: Make Monitor inherit from Mutex 
Reverse inheritance that makes more sense.

Reviewed-by: dholmes, rehn, pchilanomate
 2019-08-22 09:51:36 -04:00
Kim Barrett
1acad37ee6 8227054: ServiceThread needs to know about all OopStorage objects 
8227053: ServiceThread cleanup of OopStorage is missing some

OopStorages provides named access and iteration.

Reviewed-by: eosterlund, pliden, coleenp
 2019-08-21 18:42:30 -04:00
Leo Korinth
1447c5c0e3 8224665: Parallel GC: Use WorkGang (7: remove task manager) 
Reviewed-by: stefank, kbarrett, tschatzl
 2019-08-16 09:18:38 +02:00
Robbin Ehn
c6446d44b7 8226228: Make Threads_lock an always safepoint checked lock 
Reviewed-by: coleenp, dcubed, dholmes
 2019-08-09 11:04:08 +02:00
Kim Barrett
e396e38bb3 8227653: Add VM Global OopStorage 
Replaced conditional JVMCI global storage with VM global storage.

Reviewed-by: tschatzl, lfoltan, kvn
 2019-07-18 14:57:32 -04:00
Kim Barrett
805258f3a9 8225255: Make SATB qset lock-free 
Refactor PtrQueueSet, use lock-free stack for SATB completed buffers

Reviewed-by: tschatzl, shade
 2019-06-26 13:18:38 -04:00
Daniel D. Daugherty
b0933034e0 8226699: [BACKOUT] JDK-8221734 Deoptimize with handshakes 
Reviewed-by: dholmes, rehn, dlong
 2019-06-24 22:38:17 -04:00
Robbin Ehn
9baafa55a6 8221734: Deoptimize with handshakes 
Reviewed-by: dcubed, dholmes, pchilanomate, dlong, coleenp
 2019-05-23 10:13:29 +02:00
Calvin Cheung
72dc5721e0 8207812: Implement Dynamic CDS Archive 
Improve the usability of AppCDS

Co-authored-by: Ioi Lam <ioi.lam@oracle.com>
Co-authored-by: Jiangli Zhou <jianglizhou@google.com>
Reviewed-by: acorn, jiangli, mseledtsov
 2019-05-17 08:29:55 -07:00
Kim Barrett
4af7663979 8160539: Stack frame scanning acquires DerivedPointerTableGC_lock mutex 
Use lock-free stack for accumulating table entries.

Reviewed-by: tschatzl, kvn
 2019-05-16 20:14:54 -04:00
Stefan Karlsson
c90f3ee68b 8223624: Cleanup includes of universe.hpp 
Reviewed-by: coleenp, lkorinth
 2019-05-09 14:28:30 +02:00
Vladimir Kozlov
e9c523ae5f 8220623: [JVMCI] Update JVMCI to support JVMCI based Compiler compiled into shared library 
Reviewed-by: dnsimon, never, stefank, rehn, neliasso, dholmes, kbarrett, coleenp
 2019-05-01 12:31:29 -07:00
Coleen Phillimore
6fb8502b77 8074355: make MutexLocker smarter about non-JavaThreads 
Use safepoint_check_always/safepoint_check_never instead of safepoint_check_sometimes for locks that are taken by JavaThreads and non-JavaThreads

Reviewed-by: dholmes, rehn, dcubed, lmesnik
 2019-05-01 08:56:38 -04:00
Coleen Phillimore
ccb2e9d925 8222988: Use MonitorLocker rather than MutexLocker when wait/notify used 
Fixed use cases in code except CMS.

Reviewed-by: rehn, dcubed
 2019-04-29 16:01:52 -04:00
Stefan Karlsson
23f02171c8 8221393: ResolvedMethodTable too small for StackWalking applications 
Reviewed-by: coleenp, rehn
 2019-04-10 15:41:04 +02:00
Kim Barrett
757e6ecfec 8220671: Initialization race for non-JavaThread PtrQueues 
Include on_thread_(attach|detach) under NJTList_lock.

Reviewed-by: pliden, rkennke
 2019-04-01 17:11:38 -04:00
Per Lidén
8e258756bb 8221392: Reduce ConcurrentGCThreads spinning during start up 
Reviewed-by: eosterlund, kbarrett
 2019-03-27 10:38:49 +01:00
Kim Barrett
725a467ad8 8219613: Use NonJavaThread PtrQueues 
Init and use NJT queues, remove shared SATB queue.

Co-authored-by: Aleksey Shipilev <shade@redhat.com>
Reviewed-by: shade, zgu, pliden, tschatzl
 2019-03-05 19:54:33 -05:00
Coleen Phillimore
84a6e34fb0 8218266: G1 crash in AccessInternal::PostRuntimeDispatch 
Protection_domains can be unloaded in the dictionary pd_set.

Reviewed-by: zgu, hseigel
 2019-02-28 16:30:31 -05:00
Ioi Lam
d06f3e7e28 8218751: Do not store original classfiles inside the CDS archive 
Remove the OD shared region and decode classfiles on the fly

Reviewed-by: jiangli, ccheung, sspitsyn, redestad
 2019-02-21 17:07:35 -08:00
Robbin Ehn
bec8431683 8203469: Faster safepoints 
Reviewed-by: dcubed, pchilanomate, dholmes, acorn, coleenp, eosterlund
 2019-02-15 14:15:10 +01:00
Coleen Phillimore
13dd3cb24e 8216136: Take Compile_lock for SystemDictionary::_modification_counter with safepoint check 
Transition compiler thread from native to VM state to check the Compile_lock with safepoint always.

Reviewed-by: dlong, eosterlund, dholmes
 2019-01-24 08:44:26 -05:00
Kim Barrett
5c83330cf8 8212826: Make PtrQueue free list lock-free 
Add lock-free stack and use in BufferNode::Allocator.

Reviewed-by: tschatzl, sangheki
 2019-01-19 19:50:01 -05:00
Roman Kennke
8b62a2ee9d 8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental) 
Co-authored-by: Christine Flood <chf@redhat.com>
Co-authored-by: Aleksey Shipilev <shade@redhat.com>
Co-authored-by: Roland Westrelin <rwestrel@redhat.com>
Co-authored-by: Zhenygu Gu <zgu@redhat.com>
Co-authored-by: Andrew Haley <aph@redhat.com>
Co-authored-by: Andrew Dinn <adinn@redhat.com>
Co-authored-by: Mario Torre <mtorre@redhat.com>
Reviewed-by: kvn, roland, shade, coleenp, lmesnik, pliden, jgeorge, ihse, erikj
 2018-12-10 15:47:44 +01:00
Kim Barrett
b80d335354 8214315: G1: fatal error: acquiring lock SATB_Q_FL_lock/1 out of order with lock tty_lock/0 
Add new 'tty' lock rank.

Reviewed-by: eosterlund, tschatzl
 2018-12-08 18:52:57 -05:00
Erik Österlund
e303e31317 8214338: Move IC stub refilling out of IC cache transitions 
Reviewed-by: dlong, rbackman
 2018-12-05 15:57:26 +01:00
David Holmes
5e0ae53450 8213723: More Monitor/mutex initialization management 
8213893: StringTable_lock is unused

Reviewed-by: tschatzl, dcubed, coleenp
 2018-11-15 17:55:41 -05:00
David Holmes
eac28d7fae 8213137: Remove static initialization of monitor/mutex instances 
Moved to the global mutex list in mutexLocker

Reviewed-by: tschatzl, dcubed, rehn, eosterlund
 2018-11-08 07:42:08 -05:00
Erik Österlund
782fa608d2 8210064: ZGC: Introduce ZConcurrentRootsIterator for scanning a subset of strong IN_NATIVE roots concurrently 
Reviewed-by: pliden, kbarrett
 2018-10-16 13:14:18 +02:00
Jean Christophe Beyler
d7c7ce19f1 8211980: Remove ThreadHeapSampler enable/disable/enabled methods 
Remove methods from ThreadHeapSampler

Reviewed-by: dholmes, phh
 2018-10-15 14:16:35 -07:00
Thomas Schatzl
db7b4e20e1 8207200: Committed > max memory usage when getting MemoryUsage 
Make sure that modification of memory usage variables are synchronized with returning them to Java.

Reviewed-by: sangheki, mchung
 2018-09-04 12:18:35 +02:00
Coleen Phillimore
eb9259138f 8210155: Lock ClassLoaderDataGraph 
In preparation for concurrent class unloading.

Reviewed-by: hseigel, eosterlund
 2018-08-31 07:03:46 -04:00
Kim Barrett
e1059f1301 8209976: Improve iteration over non-JavaThreads 
Add NonJavaThread and move NamedThread iteration to new class.

Reviewed-by: eosterlund, coleenp, rkennke
 2018-08-28 16:04:54 -04:00
Coleen Phillimore
fd9fa38d21 8209821: Make JVMTI GetClassLoaderClasses not walk CLDG 
And also added function with KlassClosure to remove the hacks.

Reviewed-by: lfoltan, sspitsyn
 2018-08-25 11:10:21 -04:00
Gerard Ziemski
e0559bdd88 8209622: applications/kitchensink/Kitchensink.java failed with Kitchensink failed with exit code = 138 
SymbolTableLock no longer checks for safepoints

Reviewed-by: coleenp, rehn
 2018-08-24 09:12:51 -05:00
Kim Barrett
23f0fb4cde 8209850: Allow NamedThreads to use GlobalCounter critical sections 
Add NamedThreads iterator and make GlobalCounter use it.

Reviewed-by: eosterlund, rehn
 2018-08-23 18:14:53 -04:00