Integrated: 8292407: Improve Weak CAS VarHandle/Unsafe tests resilience under spurious failures
Aleksey Shipilev
shade at openjdk.org
Thu Sep 1 09:25:39 UTC 2022
On Tue, 16 Aug 2022 08:23:11 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:
> We have a few reports that existing Weak* VarHandle tests are still flaky, for example on large AArch64 machines or small RISC-V machines.
>
> The flakiness is intrinsic to the nature of Weak* operations under tests, that can spuriously fail. The last attempt to fix these was [JDK-8155739](https://bugs.openjdk.org/browse/JDK-8155739). We need to strengthen these a bit more.
>
> The actual values depend on the successful testing on known-failing platforms. I ballparked bumping the attempts 5x and introducing the delay would help without exploding test time in worst cases.
This pull request has now been integrated.
Changeset: 6e6202c1
Author: Aleksey Shipilev <shade at openjdk.org>
URL: https://git.openjdk.org/jdk/commit/6e6202c14d0f6dd26369f21883ff317057aa469f
Stats: 951 lines in 45 files changed: 800 ins; 0 del; 151 mod
8292407: Improve Weak CAS VarHandle/Unsafe tests resilience under spurious failures
Reviewed-by: yadongwang, fyang, vkempik, psandoz
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PR: https://git.openjdk.org/jdk/pull/9889
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