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List:       openjdk-serviceability-dev
Subject:    Integrated: JDK-8321565: [REDO] Heap dump does not contain virtual Thread stack references
From:       Alex Menkov <amenkov () openjdk ! org>
Date:       2023-12-13 18:49:50
Message-ID: BUcFjR4hu6WUqUey-BACE5EVWfDqMLjRNqOy5i0JqQA=.4fccb9df-ff00-4ea9-adc0-34ebf544f942 () github ! com
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On Fri, 8 Dec 2023 22:29:12 GMT, Alex Menkov <amenkov@openjdk.org> wrote:

> Original fix for JDK-8299426 (Heap dump does not contain virtual Thread stack \
> references, #16665) caused failures of new test (added while #16665 was under \
> review): test/hotspot/jtreg/compiler/c2/TestReduceAllocationAndHeapDump.java in \
> many tears and was reverted. 
> Segmented heap dump assumes "merge" stage is executed outside of safepoint (to not \
> block the VM), but heap dump may happen during safepoint (and \
> TestReduceAllocationAndHeapDump.java test provoke the case). The change contains \
> original fix for JDK-8299426 ("[original \
> fix](https://github.com/openjdk/jdk/commit/bdbf768eafa86e0007aca4188e0567693afe9071)") \
> and removes asserts from HeapMerger ([allow heapdump in \
> safepoints](https://github.com/openjdk/jdk/commit/44670ca4bf55dd2a5f1f44686758844aed68937e)).
>  
> Run tier1-3 and heapdump-related tests.

This pull request has now been integrated.

Changeset: cf948548
Author:    Alex Menkov <amenkov@openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/cf948548c390c42ca63525d41a9d63ff31349c3a
                
Stats:     319 lines in 3 files changed: 152 ins; 81 del; 86 mod

8321565: [REDO] Heap dump does not contain virtual Thread stack references

Reviewed-by: sspitsyn, yyang, dholmes

-------------

PR: https://git.openjdk.org/jdk/pull/17040


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