Thomas Schatzl
06bd79afed
8057003: Large reference arrays cause extremely long synchronization times
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Slice large object arrays into parts so that the synchronization of marking threads with an STW pause request does not take long.
Reviewed-by: ehelin, pliden
2016-11-24 11:27:57 +01:00
Thomas Schatzl
94bbcbd378
8159422: Very high Concurrent Mark mark stack contention
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Decrease contention on mark stack by splitting locks, and minimizing the amount of time these locks are held. Improve mark stack management.
Reviewed-by: kbarrett, mgerdin, eosterlund
2016-09-15 16:44:19 +02:00
Thomas Schatzl
1244572841
8160897: Concurrent mark mark stack memory allocation leaks memory
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Fix and clean up concurrent mark mark stack memory allocation.
Reviewed-by: jmasa, sangheki
2016-07-15 13:33:44 +02:00
Thomas Schatzl
99c9a7f6f6
8155810: Bound the number of root region scan threads to the number of survivor regions
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Reviewed-by: jmasa, sjohanss
2016-05-10 16:40:15 +02:00
Mikael Gerdin
512ffd9ded
Merge
2016-05-04 10:06:00 +02:00
Stefan Karlsson
f8be292b88
8141501: Problems with BitMap buffer management
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Reviewed-by: pliden, kbarrett
2016-05-03 22:45:27 +02:00
Mikael Gerdin
462ad706f1
8150721: Don't explicitly manage G1 young regions in YoungList
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Reviewed-by: ehelin, sjohanss, tschatzl
2016-05-03 12:33:10 +02:00
Mikael Gerdin
8f81f1a52b
8150393: Maintain the set of survivor regions in an array between GCs
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Reviewed-by: tschatzl, sjohanss
2016-04-27 16:11:45 +02:00
Derek White
1326ae31c8
8152905: hs_err file is missing gc threads
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List the GC threads in the hs_err file in the "Other Threads" section
Reviewed-by: dcubed, coleenp
2016-04-13 17:00:54 -04:00
Thomas Schatzl
a009aa9ca7
8151386: Extract card live data out of G1ConcurrentMark
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Move card live data management out of G1ConcurrentMark into extra class G1CardLiveData managed by G1RemSet
Reviewed-by: mgerdin, kbarrett
2016-04-06 13:41:59 +02:00
Thomas Schatzl
0c06163b35
8077144: Concurrent mark initialization takes too long
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Remove per-marking thread liveness bitmaps and recreate liveness bitmap concurrently after the cleanup pause.
Reviewed-by: mgerdin, ehelin, kbarrett
2016-04-06 13:32:48 +02:00
Sangheon Kim
9f63ca85a7
8151085: Change G1 concurrent timer and tracer measuring time
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Change measuring time for G1 concurrent phases and reporting heap summary
Reviewed-by: brutisso, sjohanss
2016-03-17 11:18:52 -07:00
Thomas Schatzl
0588ecf584
8151920: Region liveness printing is broken
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Remove obsolete code that causes an assert.
Reviewed-by: drwhite, brutisso
2016-03-17 09:36:04 +01:00
Thomas Schatzl
ec207fe815
8151614: Improve logging in concurrent mark code
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Move detailed concurrent mark phase logging to "gc, marking" tags and add a summary "Concurrent Cycle" log message when only using "gc" logging.
Reviewed-by: sangheki, brutisso
2016-03-16 12:23:13 +01:00
Thomas Schatzl
a3b16ac9eb
8151126: Clean up duplicate code for clearing the mark bitmaps
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Merge the code to clear the mark bitmap concurrently and in the STW pause.
Reviewed-by: jmasa, tbenson
2016-03-16 12:21:18 +01:00
Sangheon Kim
5e641bdf7a
8149834: gc/shared/gcTimer.cpp:88 assert(_is_concurrent_phase_active) failed: A concurrent phase is not active
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Compare-and-exchange for concurrent gc timer related flag at G1CollectedHeap
Reviewed-by: jmasa, drwhite
2016-03-07 02:11:47 -08:00
Bengt Rutisson
ad3fb1dbbd
8148992: VM can hang on exit if root region scanning is initiated but not executed
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Reviewed-by: tschatzl, pliden, jwilhelm
2016-02-10 12:56:55 +01:00
Erik Helin
92143e58fa
8148973: Rename g1/concurrentMark.{hpp,cpp,inline.hpp} to g1/g1ConcurrentMark.{hpp,cpp,inline.hpp}
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Reviewed-by: tschatzl, mgerdin
2016-02-05 16:03:56 +01:00
