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44 Commits

Author SHA1 Message Date
Harold Seigel
eb51968f00 8202578: Revisit location for class unload events 
Use notify_unload_class() to post JFR class unload events instead of doing a separate traversal of the class loader data graph

Reviewed-by: lfoltan, coleenp, mgronlun, egahlin
 2018-08-28 10:10:11 -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
Jiangli Zhou
7a51b4a8fa 8208061: runtime/LoadClass/TestResize.java fails with "Load factor too high" when running in CDS mode 
Allow resizing for all system dictionaries except for the shared dictionary at runtime.

Reviewed-by: iklam, gziemski
 2018-08-24 15:33:28 -04:00
Coleen Phillimore
eca24bfb55 8209792: Remove ClassLoaderDataGraph::keep_alive_cld_do 
Unnecessary

Reviewed-by: zgu, tschatzl
 2018-08-21 10:03:22 -04:00
Coleen Phillimore
dc556f4086 8209738: Remove ClassLoaderDataGraph::*oops_do functions 
Make walking CLDG more consistent.

Reviewed-by: dholmes, tschatzl
 2018-08-21 09:33:41 -04:00
Lois Foltan
75ed173e15 8209301: JVM rename is_anonymous, host_klass to unsafe specific terminology ahead of Unsafe.defineAnonymousClass deprecation 
Clean up VM anonymous class terminology.

Reviewed-by: coleenp, dholmes, mchung
 2018-08-20 08:25:57 -04:00
Coleen Phillimore
ef15adee70 8209541: Fix merge problem in SymbolTable::do_check_concurrent_work 
Remerged with previous change to do_unloading.

Reviewed-by: hseigel
 2018-08-15 16:01:48 -04:00
Gerard Ziemski
b75805c1a5 8195100: Use a low latency hashtable for SymbolTable 
Used concurrentHashTable, similar to stringTable

Reviewed-by: coleenp, kbarrett, iklam, pliden
 2018-08-14 18:42:14 -05:00
Harold Seigel
83b2fb5b0d 8207778: Add locking to ModuleEntry and PackageEntry tables 
Restructure ClassLoaderDataGraph code to simplify using locks in SystemDictionary::do_unloading()

Reviewed-by: lfoltan, coleenp
 2018-08-10 09:30:26 -04:00
Coleen Phillimore
a7b66f6f5e 8208677: Move inner metaspace cleaning out of class unloading 
Move to safepoint cleanup actions to do if needed.

Reviewed-by: eosterlund, hseigel
 2018-08-08 15:24:21 -04:00
Thomas Schatzl
9c0720b156 8208671: Runtime, JFR, Serviceability changes to allow enabling -Wreorder 
Reviewed-by: dholmes, hseigel
 2018-08-08 15:31:07 +02:00
Kim Barrett
8a2170dad7 8205559: Remove IN_CONCURRENT_ROOT Access decorator 
Removed decorator and made all NativeAccess use barriers.

Reviewed-by: pliden, stefank
 2018-06-26 16:59:38 -04:00
Lois Foltan
48500f81a1 8205509: assert(_name_and_id != 0LL) failed: encountered a class loader null name and id 
The method loader_name_and_id should return the external name of the class loader if _name_and_id is null.

Reviewed-by: coleenp, stuefe
 2018-06-25 10:34:46 -04:00
Lois Foltan
425e1a8bb8 8202605: Standardize on ClassLoaderData::loader_name() throughout the VM to obtain a class loader's name 
Introduced ClassLoaderData::name() and ClassLoaderData::name_and_id() for use when obtaining a class loader's name.

Reviewed-by: coleenp, goetz, mchung, stuefe
 2018-06-19 07:54:11 -04:00
Kim Barrett
05b5a78903 8204939: Change Access nomenclature: root to native 
Rename RootAccess => NativeAccess, IN_ROOT => IN_NATIVE, and related cleanups.

Reviewed-by: pliden, stefank, coleenp
 2018-06-15 16:53:58 -04:00
Coleen Phillimore
37e51f4074 8202669: Intermittent crash in ClassLoadingService::compute_class_size() 
Don't report classes that failed to load when reporting class unloading. Remove the classes first.

Reviewed-by: dholmes, lfoltan, ccheung
 2018-05-22 13:10:56 -04:00
Erik Gahlin
a060be188d 8199712: Flight Recorder 
Co-authored-by: Markus Gronlund <markus.gronlund@oracle.com>
Reviewed-by: coleenp, ihse, erikj, dsamersoff, mseledtsov, egahlin, mgronlun
 2018-05-15 20:24:34 +02:00
Coleen Phillimore
ddfd4c33c6 8201556: Disallow reading oops in ClassLoaderData if unloading 
Move class_loader oop to an OopHandle, and assert that holder is alive when getting class_loader.

Reviewed-by: kbarrett, adinn
 2018-04-18 18:43:04 -04:00
Coleen Phillimore
36d1d59425 8201505: Use WeakHandle for ProtectionDomainCacheTable and ResolvedMethodTable 
8193524: Redefining a method that removes use of 1 or more lambda expressions causes the JVM to hang

Remove oop pointers from runtime data structures.

Co-authored-by: Lois Foltan <lois.foltan@oracle.com>
Reviewed-by: lfoltan, stefank
 2018-04-18 12:06:53 -04:00
Coleen Phillimore
1ee531afe9 8200555: OopHandle should use Access API 
Add RootAccess<> to OopHandle.resolve() in runtime and interpreter code.  Add comments for compiler code for later.

Reviewed-by: eosterlund, stefank
 2018-04-18 10:39:40 -04:00
Coleen Phillimore
d187884156 8198313: Wrap holder object for ClassLoaderData in a WeakHandle 
Use WeakHandle for ClassLoaderData::_holder so that is_alive closure is not needed

Reviewed-by: rehn, kbarrett
 2018-04-10 10:06:42 -04:00
Roman Kennke
b938ae51ce 8199781: Don't use naked == for comparing oops 
Reviewed-by: coleenp, eosterlund, jrose
 2018-04-03 13:15:27 +02:00
Coleen Phillimore
f8ee0063b1 8199007: ClassLoaderDataGraph::unload_list_contains() is wrong 
The function isn't needed any longer.

Reviewed-by: stuefe, stefank
 2018-03-26 10:19:31 -04:00
Stefan Karlsson
1a1aecd166 8200106: Move NoSafepointVerifier out from gcLocker.hpp 
Reviewed-by: coleenp
 2018-03-23 18:54:12 +01:00
Coleen Phillimore
b15a3ff611 8197844: JVMTI GetLoadedClasses should use the Access API 
Make sure the holder of a class loader is accessed during iteration of CLDG

Reviewed-by: eosterlund, rkennke
 2018-03-21 17:09:34 -04:00
Coleen Phillimore
29cb168550 8199272: Broken assertion in ClassLoaderData::remove_handle 
Added new ClassLoaderData::ChunkList::contains(oop*) function for OopHandle rather than oop.

Reviewed-by: stefank, hseigel
 2018-03-15 07:40:00 -04:00
Thomas Stuefe
c18227978e 8199431: Split up class Metaspace into a static and a non-static part 
Reviewed-by: coleenp, adinn, zgu
 2018-03-15 07:15:39 +01:00
Volker Simonis
97cfb7bbb7 8199472: Fix non-PCH build after JDK-8199319 
Reviewed-by: stefank, coleenp
 2018-03-14 12:12:00 +01:00
Stefan Karlsson
b9f2f3e199 8199275: Fix inclusions of allocation.inline.hpp 
Reviewed-by: coleenp, kbarrett, dholmes
 2018-03-08 09:56:29 +01:00
Coleen Phillimore
4c3e072611 8198926: Move ClassLoaderData::_dependencies to ClassLoaderData::_handles 
Move dependency creation and cleaned up logging

Reviewed-by: hseigel, jiangli
 2018-03-06 17:15:16 -05:00
Erik Österlund
432a71e564 8198286: Direct memory accessors in typeArrayOop.hpp should use Access API 
Reviewed-by: pliden, rkennke
 2018-02-22 10:39:42 +01:00
Zhengyu Gu
934390b571 8196923: [REDO] NMT: Report array class count in NMT summary 
Added instance and array class counters in NMT summary report

Reviewed-by: minqi, stuefe, coleenp
 2018-02-08 13:21:22 -05:00
Jesper Wilhelmsson
dd416bbf33 8196924: [BACKOUT] NMT: Report array class count in NMT summary 
Reviewed-by: dholmes
 2018-02-07 03:43:29 +01:00
Zhengyu Gu
41ace19206 8193184: NMT: Report array class count in NMT summary 
Report array class and instance class count in NMT summary report

Reviewed-by: coleenp, minqi
 2018-02-06 08:24:36 -05:00
Harold Seigel
34480e526e 8190235: Clarify ClassLoaderData::is_*_class_loader_data() method implementations 
Add comments, fix a small issue with the boot loader, and add an assert.

Reviewed-by: coleenp, lfoltan, gtriantafill
 2018-02-06 13:41:49 -05:00
Harold Seigel
83bb2205e8 8190359: Reduce the number of recorded klass dependencies 
Skip recording dependencies to non-anonymous classes loaded by builtin class loaders.

Reviewed-by: iklam, coleenp, lfoltan
 2018-02-02 10:37:48 -05:00
Coleen Phillimore
e9b04293e3 8175249: VMThread::run fails in VerifyBeforeExit : Universe::verify 
Protection domain package access cache needs to be walked in unloading

Reviewed-by: dholmes, jiangli, zgu, kbarrett
 2018-01-24 11:33:18 -05:00
Erik Österlund
01ab4faae4 8191888: Refactor ClassLoaderData::remove_handle to use the Access API 
Reviewed-by: tschatzl, pliden, coleenp
 2018-01-08 13:13:05 +01:00
Coleen Phillimore
949659e43b 8193622: JFR test TestUnloadingEventClass.java times out intermittently 
Previous change was leaving scratch classes on CLD::_klasses list which are reported to tracing

Reviewed-by: gtriantafill, dcubed, mgronlun
 2017-12-19 15:56:28 -05:00
Coleen Phillimore
3541733024 8193053: jvm crash by G1CMBitMapClosure::do_addr 
We were adding an unloaded mirror to the SATB collection set in remove_handle.

Reviewed-by: hseigel, kbarrett
 2017-12-13 07:14:18 -05:00
Gerard Ziemski
a043febf6f 8184765: Dynamically resize SystemDictionary 
Implemented dynamic resizing, which triggers when load factor is too high

Reviewed-by: coleenp, rehn
 2017-11-02 11:00:34 -05:00
Coleen Phillimore
39b068db11 8188220: Remove Atomic::*_ptr() uses and overloads from hotspot 
With the new template functions these are unnecessary.

Reviewed-by: kbarrett, dholmes, eosterlund
 2017-10-16 22:36:06 -04:00
Coleen Phillimore
73a801bc43 8186777: Make Klass::_java_mirror an OopHandle 
Add indirection for fetching mirror so that GC doesn't have to follow CLD::_klasses

Co-authored-by: Rickard Backman <rickard.backman@oracle.com>
Reviewed-by: hseigel, thartmann, eosterlund, stefank
 2017-10-03 16:42:04 -04:00
Erik Joelsson
3789983e89 8187443: Forest Consolidation: Move files to unified layout 
Reviewed-by: darcy, ihse
 2017-09-12 19:03:39 +02:00