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23 Commits

Author SHA1 Message Date
Thomas Schatzl
c3360ff511 8375983: G1: Convert G1ConcurrentRefineStats to use Atomic<T> 
Reviewed-by: kbarrett, iwalulya
 2026-01-26 09:17:01 +00:00
Thomas Schatzl
8d5c005642 8342382: Implement JEP 522: G1 GC: Improve Throughput by Reducing Synchronization 
Co-authored-by: Amit Kumar <amitkumar@openjdk.org>
Co-authored-by: Martin Doerr <mdoerr@openjdk.org>
Co-authored-by: Carlo Refice <carlo.refice@oracle.com>
Co-authored-by: Fei Yang <fyang@openjdk.org>
Reviewed-by: iwalulya, rcastanedalo, aph, ayang
 2025-09-22 13:47:45 +00:00
Thomas Schatzl
00adbbe553 8274051: Remove supports_vtime()/elapsedVTime() 
Reviewed-by: kbarrett, iwalulya
 2025-06-30 11:22:46 +00:00
Stefan Karlsson
c33c1cfe73 8347909: Automatic precompiled.hpp inclusion 
Reviewed-by: lkorinth, erikj, dholmes, ihse
 2025-01-21 10:21:24 +00:00
Jonathan Joo
9e570105c3 8315149: Add hsperf counters for CPU time of internal GC threads 
Co-authored-by: Man Cao <manc@openjdk.org>
Co-authored-by: Stefan Johansson <sjohanss@openjdk.org>
Reviewed-by: simonis, manc, sjohanss
 2023-12-05 19:43:25 +00:00
Kim Barrett
028e8b3d5e 8137022: Concurrent refinement thread adjustment and (de-)activation suboptimal 
8155996: Improve concurrent refinement green zone control
8134303: Introduce -XX:-G1UseConcRefinement

Reviewed-by: sjohanss, tschatzl, iwalulya, ayang
 2022-10-20 20:29:19 +00:00
Coleen Phillimore
270cf67e5f 8288752: Split thread implementation files 
Reviewed-by: dholmes, rehn, iklam
 2022-06-22 12:49:25 +00:00
Kim Barrett
861f2797f7 8280917: Simplify G1ConcurrentRefineThread activation 
Reviewed-by: iwalulya, sjohanss
 2022-02-08 09:02:53 +00:00
Kim Barrett
dd73e3cea2 8277814: ConcurrentRefineThread should report rate when deactivating 
Reviewed-by: tschatzl, sjohanss
 2021-12-01 00:44:51 +00:00
Kim Barrett
65251f7693 8151594: Move concurrent refinement thread activation logging out of GC pause 
Reviewed-by: tschatzl, ayang
 2021-11-30 22:43:53 +00:00
Kim Barrett
4694da31f8 8242078: G1: Improve concurrent refinement analytics and logging 
Unify data collection and reporting.

Reviewed-by: tschatzl, sjohanss
 2020-04-14 17:31:53 -04:00
Kim Barrett
ccbd819a01 8237143: Eliminate DirtyCardQ_cbl_mon 
Replace locked data structures with lock-free data structures.

Reviewed-by: tschatzl, sangheki
 2020-02-06 19:09:07 -05:00
Kim Barrett
d7fcd0ccac 8231153: Improve concurrent refinement statistics 
8043505: G1RemSet::_conc_refine_cards is incremented unsynchronized

Added refinement rates and counts, removed _conc_refine_cards

Reviewed-by: tschatzl, sjohanss
 2019-10-08 15:15:50 -04:00
Kim Barrett
b6b6a37fe1 8230109: G1DirtyCardQueueSet should use card counts rather than buffer counts 
Consistently use card counts

Reviewed-by: sjohanss, sangheki
 2019-08-29 18:35:52 -04:00
Thomas Schatzl
b3c21d9a9b 8227719: G1 Pending cards estimation too conservative in cost prediction 
Instead of using a coarse prediction for the log buffers, accumulate the actual number directly.

Reviewed-by: kbarrett, sangheki
 2019-07-24 11:49:39 +02:00
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
Coleen Phillimore
fbafef11c0 8222811: Consolidate MutexLockerEx and MutexLocker 
Make MutexLocker be MutexLockerEx implementation, remove MutexLockerEx calls.

Reviewed-by: dcubed, dholmes, pliden, rehn
 2019-04-25 10:56:31 -04:00
Kim Barrett
d2c690e80b 8218089: Rename DirtyCardQueue et al to follow usual G1 naming conventions 
Move files and rename classes.

Reviewed-by: tschatzl, lkorinth
 2019-02-13 17:38:14 -05:00
Kim Barrett
575f633a96 8214201: Make PtrQueueSet completed buffer list private 
Merge and make private in PtrQueueSet all completed buffer list handling

Reviewed-by: tschatzl, sjohanss
 2018-12-26 19:24:00 -05:00
Thomas Schatzl
d702d5f8d2 8208669: GC changes to allow enabling -Wreorder 
Reviewed-by: kbarrett
 2018-08-08 15:31:06 +02:00
Per Lidén
4c60e69b97 8201316: Move G1-related static members from JavaThread to G1BarrierSet 
Reviewed-by: stefank, shade
 2018-04-12 08:25:30 +02:00
Thomas Schatzl
faff99f2fc 8190426: Lazily initialize refinement threads with UseDynamicNumberOfGCThreads 
Reviewed-by: sangheki, sjohanss
 2017-11-23 15:51:06 +01:00
Thomas Schatzl
b59c920e12 8149127: Rename g1/concurrentMarkThread.* to g1/g1ConcurrentMarkThread.* 
Reviewed-by: sjohanss, sangheki
 2017-11-06 14:24:31 +01:00