57 Commits

Author SHA1 Message Date
Bill Pittore
304b59b0c8 8081202: Hotspot compile warning: "Invalid suffix on literal; C++11 requires a space between literal and identifier"
Need to add a space between macro identifier and string literal

Reviewed-by: stefank, dholmes, kbarrett
2015-06-24 12:12:25 -04:00
Per Lidén
4dc240f785 8079792: GC directory structure cleanup
Reviewed-by: brutisso, stefank, david
2015-05-13 15:16:06 +02:00
Coleen Phillimore
57f3125882 Merge 2015-03-13 18:59:41 +00:00
Coleen Phillimore
7b384c6958 8061205: MetadataOnStackMark only needs to walk code cache during class redefinition
Only do full metadata walk during class redefinition and only walk handles during class unloading.

Reviewed-by: sspitsyn, stefank
2015-03-13 12:40:39 -04:00
Axel Siebenborn
1a8c911881 8074561: Wrong volatile qualifier for field ClassLoaderDataGraphKlassIteratorAtomic::_next_klass
Reviewed-by: mgerdin, stefank
2015-03-06 16:47:46 +01:00
Stefan Karlsson
4913ad5d7d 8072911: Remove includes of oop.inline.hpp from .hpp files
Reviewed-by: brutisso, coleenp, jwilhelm, simonis, dholmes
2015-02-13 14:37:35 +01:00
Coleen Phillimore
feb09bc118 8067713: Move clean_weak_method_links for redefinition out of class unloading
Do this work during class redefinition, only verify clean during class unloading in debug mode.

Reviewed-by: sspitsyn, roland, kbarrett
2014-12-18 16:15:21 -05:00
Max Ockner
1d76295d70 8047290: Make Mutex::_no_safepoint_check_flag locks verify that this lock never checks for safepoint
Ensure consistent safepoint checking in Mutex/Monitor locking methods.

Reviewed-by: dholmes, dcubed, coleenp
2014-12-11 21:34:43 -05:00
Jesper Wilhelmsson
3c3e60d5be Merge 2014-11-26 18:01:10 +01:00
Markus Grönlund
ac5d9dad16 8065361: Fixup headers and definitions for INCLUDE_TRACE
Reviewed-by: sla, stefank
2014-11-19 16:08:01 +01:00
Coleen Phillimore
4c036f5730 8037842: Failing to allocate MethodCounters and MDO causes a serious performance drop
Stop allocating compiler profiling metadata when metaspace is full.

Reviewed-by: kvn, anoll
2014-10-30 18:38:42 -04:00
Jesper Wilhelmsson
2616e09389 Merge 2014-11-17 21:32:32 +01:00
Stefan Karlsson
95704b233c 8064811: Use THREAD instead of CHECK_NULL in return statements
Reviewed-by: coleenp, simonis, dholmes
2014-11-14 09:47:09 +01:00
Stefan Karlsson
d410f19961 8056240: Investigate increased GC remark time after class unloading changes in CRM Fuse
Reviewed-by: mgerdin, coleenp, bdelsart
2014-10-02 10:55:36 +02:00
Ioi Lam
541640ed22 Merge 2014-09-05 15:53:02 -07:00
Coleen Phillimore
3c70d99eda 8055008: Clean up code that saves the previous versions of redefined classes
Use scratch_class to find EMCP methods for breakpoints if the old methods are still running.

Reviewed-by: dcubed, sspitsyn
2014-09-03 19:13:18 -04:00
Stefan Karlsson
635e35d00a 8057037: Verification in ClassLoaderData::is_alive is too slow
Reviewed-by: brutisso, mgerdin, tschatzl
2014-09-03 12:45:14 +02:00
Vladimir Kozlov
009f0fb913 Merge 2014-07-11 14:32:02 -07:00
Jon Masamitsu
fbe6d80096 Merge 2014-07-10 13:39:18 -07:00
Roland Westrelin
c0deb9e08a 8040237: nsk/jvmti/RetransformClasses/retransform001 crashed the VM on all platforms when run with with -server -Xcomp
Class redefinition may cause speculative trap clean up code to dereference dead method

Reviewed-by: kvn, coleenp
2014-07-10 15:12:48 +02:00
Stefan Karlsson
1b001a2afd 8049421: G1 Class Unloading after completing a concurrent mark cycle
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov
2014-07-07 10:12:40 +02:00
Stefan Karlsson
ef1e9b3c80 8049420: Backout 8048248 to correct attribution
Reviewed-by: ehelin, brutisso
2014-07-07 12:37:11 +02:00
Stefan Karlsson
8c3aced316 8048248: G1 Class Unloading after completing a concurrent mark cycle
Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov
2014-07-07 10:12:40 +02:00
Daniel D. Daugherty
628b3c2c3a Merge 2014-06-27 08:11:49 -07:00
Markus Grönlund
95d24c7361 8047812: Ensure ClassLoaderDataGraph::classes_unloading_do only delivers klasses from CLDs with non-reclaimed class loader oops
Reviewed-by: coleenp, sspitsyn, ehelin
2014-06-27 13:33:36 +02:00
Goetz Lindenmaier
8e7c8f1d88 8044775: Improve usage of umbrella header atomic.inline.hpp
Reviewed-by: stefank, kvn
2014-06-04 11:56:44 +02:00
Staffan Larsen
8dc26f1a17 8044107: Add Diagnostic Command to list all ClassLoaders
Reviewed-by: mgerdin, stefank
2014-06-04 11:05:30 +02:00
Coleen Phillimore
ead7a2760b 8042727: nsk/jdb/unwatch/unwatch001 crash in InstanceKlass::methods_do(void (*)(Method*))
Only walk methods in instanceklass if the class is loaded

Reviewed-by: dholmes, fparain
2014-05-21 14:36:18 -04:00
Coleen Phillimore
c336175c94 8038212: Method::is_valid_method() check has performance regression impact for stackwalking
Only prune metaspace virtual spaces at safepoint so walking them is safe outside a safepoint.

Reviewed-by: mgerdin, mgronlun, hseigel, stefank
2014-05-15 18:23:26 -04:00
David Chase
305ec3bd3f 8037816: Fix for 8036122 breaks build with Xcode5/clang
Repaired or selectively disabled offending formats; future-proofed with additional checking

Reviewed-by: kvn, jrose, stefank
2014-05-09 16:50:54 -04:00
Roland Westrelin
b21d142f01 8037970: make PrintMethodData a diagnostic options
Make PrintMethodData a diagnostic options for performance investigation

Reviewed-by: kvn, iveresov
2014-03-31 10:35:06 +02:00
Erik Helin
a45b9ead44 Merge 2014-02-25 11:02:11 +01:00
Stefan Karlsson
a235c50791 8035412: Cleanup ClassLoaderData::is_alive
Reviewed-by: coleenp, mgerdin
2014-02-21 10:19:09 +01:00
Coleen Phillimore
4ab0b2732c 8027146: Class loading verification failure if GC occurs in Universe::flush_dependents_on
Remove search in system dictionary and hacks, replace with verifying in CLD::_klasses list.

Reviewed-by: dcubed, acorn
2014-02-15 13:03:38 -05:00
Coleen Phillimore
469f290817 8029178: Parallel class loading test anonymous-simple gets SIGSEGV in Metaspace::contains
Metaspace::contains cannot look at purged metaspaces while CMS concurrently deallocates them.

Reviewed-by: mgerdin, sspitsyn, jmasa
2014-01-07 13:26:56 -05:00
Markus Grönlund
b1e3461fe5 8028128: Add a type safe alternative for working with counter based data
Reviewed-by: dholmes, egahlin
2013-11-23 12:25:13 +01:00
Fredrik Arvidsson
508272e5f5 8024423: JVMTI: GetLoadedClasses doesn't enumerate anonymous classes
Rewrite of the getLoadedClasses() method implementation to include anonymous classes.

Reviewed-by: coleenp, sspitsyn
2013-10-24 10:02:02 +02:00
Lois Foltan
7bf953d005 7195622: CheckUnhandledOops has limited usefulness now
Enable CHECK_UNHANDLED_OOPS in fastdebug builds across all supported platforms.

Reviewed-by: coleenp, hseigel, dholmes, stefank, twisti, ihse, rdurbin
2013-09-26 10:25:02 -04:00
Staffan Larsen
718f3252f6 8005849: JEP 167: Event-Based JVM Tracing
Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com>
Co-authored-by: Bengt Rutisson <bengt.rutisson@oracle.com>
Co-authored-by: Calvin Cheung <calvin.cheung@oracle.com>
Co-authored-by: Erik Gahlin <erik.gahlin@oracle.com>
Co-authored-by: Erik Helin <erik.helin@oracle.com>
Co-authored-by: Jesper Wilhelmsson <jesper.wilhelmsson@oracle.com>
Co-authored-by: Keith McGuigan <keith.mcguigan@oracle.com>
Co-authored-by: Mattias Tobiasson <mattias.tobiasson@oracle.com>
Co-authored-by: Markus Gronlund <markus.gronlund@oracle.com>
Co-authored-by: Mikael Auno <mikael.auno@oracle.com>
Co-authored-by: Nils Eliasson <nils.eliasson@oracle.com>
Co-authored-by: Nils Loodin <nils.loodin@oracle.com>
Co-authored-by: Rickard Backman <rickard.backman@oracle.com>
Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Yekaterina Kantserova <yekaterina.kantserova@oracle.com>
Reviewed-by: acorn, coleenp, sla
2013-06-10 11:30:51 +02:00
Mikael Gerdin
67b238b12d Merge 2013-05-02 19:28:59 +02:00
Coleen Phillimore
cd7d504d54 8011803: release_C_heap_structures is never called for anonymous classes
Call this function from the ClassLoaderData destructor instead of the system dictionary walk.

Reviewed-by: stefank, mgerdin
2013-04-24 16:19:35 -04:00
Mikael Gerdin
316993b3db 8013136: NPG: Parallel class loading tests fail after fix for JDK-8011802
Move initialization of dependencies to before allocation of CLD

Reviewed-by: stefank, coleenp
2013-04-24 19:55:02 +02:00
Mikael Gerdin
0edccc9e61 8010196: NPG: Internal Error: Metaspace allocation lock -- possible deadlock
Refactor the CLD dependency list into a separate class. Use an ObjectLocker to synchronize additions to the CLD dependency list.

Reviewed-by: stefank, coleenp
2013-04-10 13:27:35 +02:00
Jon Masamitsu
d72b516201 8008966: NPG: Inefficient Metaspace counter functions cause large young GC regressions
Reviewed-by: mgerdin, coleenp
2013-02-12 14:15:45 -08:00
Mikael Gerdin
c47ec9b4ca 8011802: NPG: init_dependencies in class loader data graph can cause invalid CLD
Restructure initialization of ClassLoaderData to not add a new instance if init_dependencies fail

Reviewed-by: stefank, coleenp
2013-04-23 08:39:55 +02:00
Jon Masamitsu
e1cbb28f3f 8011268: NPG: Free unused VirtualSpaceNodes
Reviewed-by: mgerdin, coleenp, johnc
2013-03-01 10:19:29 -08:00
Christian Thalinger
6964a690ed 7198429: need checked categorization of caller-sensitive methods in the JDK
Reviewed-by: kvn, jrose
2013-03-25 17:13:26 -07:00
Ioi Lam
6f76ade8e1 8007725: NPG: Klass::restore_unshareable_info() triggers assert(k->java_mirror() == NULL)
Check for exception during SystemDictionary::resolve_instance_class_or_null() and clean up.

Reviewed-by: coleenp, acorn, hseigel, minqi
2013-03-15 17:24:40 -04:00
Ioi Lam
93b845e21b 6479360: PrintClassHistogram improvements
Jcmd <pid> GC.class_stats (UnlockDiagnosticVMOptions)

Reviewed-by: coleenp, hseigel, sla, acorn
2013-01-25 15:06:18 -05:00
Coleen Phillimore
99039568f9 8006040: NPG: on_stack processing wastes space in ConstantPool
Added on_stack bit to flags.  Also MetadataMarkOnStack is used for more than JVMTI so had to be moved.

Reviewed-by: dholmes, stefank
2013-01-23 10:34:29 -05:00