On Thu, 12 Jun 2025 23:42:41 GMT, William Kemper wrote:
> Remove `GCCause::_no_cause_specified` (only referenced by Shenandoah) and add
> a case for `_shenandoah_humongous_allocation_failure` in `GCCause::to_string`
> and the `SA` analog.
Thanks for changing the title/summary to broaden scope.
On Thu, 12 Jun 2025 23:42:41 GMT, William Kemper wrote:
> We can remove `GCCause::_no_cause_specified` and need to add a case for
> `_shenandoah_humongous_allocation_failure` in `GCCause::to_string`. We are
> also missing `_shenandoah_humongous_allocation_failure` in the `SA` analog.
Reviewed
On Tue, 21 Jan 2025 18:48:13 GMT, William Kemper wrote:
> This is a clean backport and addresses a fairly critical issue where in a
> mistimed heap dump may cause heap corruption or vm crashes for Shenandoah GC.
🚢
-
Marked as reviewed by ysr (Reviewer).
PR Review: https://git.ope
On Fri, 17 Jan 2025 23:12:14 GMT, William Kemper wrote:
> This occurs when an attempt to produce a heap dump conflicts with a
> concurrent cycle. The heap dump vm operation attempts to run a cycle directly
> on the VM thread with no regard for the state of the concurrent collection.
> Although
On Fri, 17 Jan 2025 23:12:14 GMT, William Kemper wrote:
> This occurs when an attempt to produce a heap dump conflicts with a
> concurrent cycle. The heap dump vm operation attempts to run a cycle directly
> on the VM thread with no regard for the state of the concurrent collection.
> Although
On Thu, 12 Dec 2024 00:01:41 GMT, William Kemper wrote:
> This test makes assertions about the number of gc manager beans and the
> number of memory pools. The generational mode for Shenandoah adds another
> memory pool.
test/jdk/java/lang/management/MemoryMXBean/MemoryTest.java line 62:
> 60
On Thu, 12 Dec 2024 00:01:41 GMT, William Kemper wrote:
> This test makes assertions about the number of gc manager beans and the
> number of memory pools. The generational mode for Shenandoah adds another
> memory pool.
Marked as reviewed by ysr (Reviewer).
-
PR Review: https://
On Wed, 20 Nov 2024 00:01:49 GMT, Y. Srinivas Ramakrishna
wrote:
>> src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.cpp line 474:
>>
>>> 472: // elision safe.
>>> 473: return;
>>> 474: }
>>
>> Why is this safe for Shen
On Thu, 21 Nov 2024 13:34:51 GMT, Aleksey Shipilev wrote:
>> William Kemper has updated the pull request with a new target base due to a
>> merge or a rebase. The pull request now contains 524 commits:
>>
>> - Merge remote-tracking branch 'shenandoah/master' into
>> great-genshen-pr-redux
>>
On Wed, 13 Nov 2024 10:51:48 GMT, Aleksey Shipilev wrote:
>> William Kemper has updated the pull request with a new target base due to a
>> merge or a rebase. The pull request now contains 503 commits:
>>
>> - Merge openjdk/jdk tip into great-genshen-pr-redux
>> - Merge remote-tracking branch
On Tue, 22 Oct 2024 17:12:38 GMT, Zhengyu Gu wrote:
>> Congratulations! Good to see the great progress. I just built this PR for
>> some testing and found something unexpected. I ran the genshen VS
>> shenandoah(default) with jbb2015 on aarch64 N2 with 8 cores and Xmx8g. The
>> critical-jOPS o
On Thu, 10 Oct 2024 18:07:27 GMT, Roman Kennke wrote:
>> William Kemper has updated the pull request with a new target base due to a
>> merge or a rebase. The pull request now contains 478 commits:
>>
>> - Fix merge error
>> - Merge remote-tracking branch 'jdk/master' into great-genshen-pr-re
On Wed, 7 Jun 2023 00:39:52 GMT, Kelvin Nilsen wrote:
>> OpenJDK Colleagues:
>>
>> Please review this proposed integration of Generational mode for Shenandoah
>> GC under https://bugs.openjdk.org/browse/JDK-8307314.
>>
>> Generational mode of Shenandoah is enabled by adding
>> `-XX:+UnlockExp
On Wed, 7 Jun 2023 00:39:52 GMT, Kelvin Nilsen wrote:
>> OpenJDK Colleagues:
>>
>> Please review this proposed integration of Generational mode for Shenandoah
>> GC under https://bugs.openjdk.org/browse/JDK-8307314.
>>
>> Generational mode of Shenandoah is enabled by adding
>> `-XX:+UnlockExp
On Wed, 7 Jun 2023 00:39:52 GMT, Kelvin Nilsen wrote:
>> OpenJDK Colleagues:
>>
>> Please review this proposed integration of Generational mode for Shenandoah
>> GC under https://bugs.openjdk.org/browse/JDK-8307314.
>>
>> Generational mode of Shenandoah is enabled by adding
>> `-XX:+UnlockExp
On Wed, 7 Jun 2023 00:39:52 GMT, Kelvin Nilsen wrote:
>> OpenJDK Colleagues:
>>
>> Please review this proposed integration of Generational mode for Shenandoah
>> GC under https://bugs.openjdk.org/browse/JDK-8307314.
>>
>> Generational mode of Shenandoah is enabled by adding
>> `-XX:+UnlockExp
On Wed, 7 Jun 2023 00:39:52 GMT, Kelvin Nilsen wrote:
>> OpenJDK Colleagues:
>>
>> Please review this proposed integration of Generational mode for Shenandoah
>> GC under https://bugs.openjdk.org/browse/JDK-8307314.
>>
>> Generational mode of Shenandoah is enabled by adding
>> `-XX:+UnlockExp
On Wed, 7 Jun 2023 00:39:52 GMT, Kelvin Nilsen wrote:
>> OpenJDK Colleagues:
>>
>> Please review this proposed integration of Generational mode for Shenandoah
>> GC under https://bugs.openjdk.org/browse/JDK-8307314.
>>
>> Generational mode of Shenandoah is enabled by adding
>> `-XX:+UnlockExp
On Wed, 7 Jun 2023 00:39:52 GMT, Kelvin Nilsen wrote:
>> OpenJDK Colleagues:
>>
>> Please review this proposed integration of Generational mode for Shenandoah
>> GC under https://bugs.openjdk.org/browse/JDK-8307314.
>>
>> Generational mode of Shenandoah is enabled by adding
>> `-XX:+UnlockExp
On Wed, 7 Jun 2023 00:39:52 GMT, Kelvin Nilsen wrote:
>> OpenJDK Colleagues:
>>
>> Please review this proposed integration of Generational mode for Shenandoah
>> GC under https://bugs.openjdk.org/browse/JDK-8307314.
>>
>> Generational mode of Shenandoah is enabled by adding
>> `-XX:+UnlockExp
On Wed, 7 Jun 2023 00:39:52 GMT, Kelvin Nilsen wrote:
>> OpenJDK Colleagues:
>>
>> Please review this proposed integration of Generational mode for Shenandoah
>> GC under https://bugs.openjdk.org/browse/JDK-8307314.
>>
>> Generational mode of Shenandoah is enabled by adding
>> `-XX:+UnlockExp
On Fri, 2 Jun 2023 18:38:41 GMT, Martin Doerr wrote:
>> src/hotspot/cpu/riscv/gc/shenandoah/c1/shenandoahBarrierSetC1_riscv.cpp line
>> 4:
>>
>>> 2: * Copyright (c) 2018, 2019, Red Hat, Inc. All rights reserved.
>>> 3: * Copyright (c) 2020, 2021, Huawei Technologies Co., Ltd. All rights
>>>
On Fri, 2 Jun 2023 02:49:25 GMT, Kelvin Nilsen wrote:
>> OpenJDK Colleagues:
>>
>> Please review this proposed integration of Generational mode for Shenandoah
>> GC under https://bugs.openjdk.org/browse/JDK-8307314.
>>
>> Generational mode of Shenandoah is enabled by adding
>> `-XX:+UnlockExp
On Fri, 2 Jun 2023 02:49:25 GMT, Kelvin Nilsen wrote:
>> OpenJDK Colleagues:
>>
>> Please review this proposed integration of Generational mode for Shenandoah
>> GC under https://bugs.openjdk.org/browse/JDK-8307314.
>>
>> Generational mode of Shenandoah is enabled by adding
>> `-XX:+UnlockExp
On Fri, 2 Jun 2023 02:49:25 GMT, Kelvin Nilsen wrote:
>> OpenJDK Colleagues:
>>
>> Please review this proposed integration of Generational mode for Shenandoah
>> GC under https://bugs.openjdk.org/browse/JDK-8307314.
>>
>> Generational mode of Shenandoah is enabled by adding
>> `-XX:+UnlockExp
On Thu, 1 Jun 2023 12:15:37 GMT, Martin Doerr wrote:
> Issues already reported to GenShen engineers:
>
> gc/shenandoah/TestElasticTLAB.java#generational #Â Internal Error
> (src\hotspot\share\gc\shenandoah\shenandoahFreeSet.cpp:695), pid=23288,
> tid=23784 #Â assert(size % CardTable::card_size
On Wed, 26 Apr 2023 08:41:30 GMT, Thomas Schatzl wrote:
>> Hi all,
>>
>> please review this change that removes some remaining CMS related stuff.
>>
>> Testing: tier1-3, gha
>>
>> Thanks,
>> Thomas
>
> Thomas Schatzl has updated the pull request incrementally with one additional
> commit
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