RFR: 8317692: jcmd GC.heap_dump performance regression after JDK-8292818

[Hannes Greule]

On Wed, 11 Oct 2023 01:13:56 GMT, Alex Menkov <amenkov at openjdk.org> wrote:

> The fix itself looks good to me. How did you tested the change? Looks like we don't have test coverage for the correctness of the dumped fields. Would be nice to add it.

Thanks.
I ran `hotspot_serviceability` and also manually looked into more complex heap dumps. I agree that specific tests would be better. I'll need to figure out how that can be accomplished. If you have any pointers how to get started there, please let me know.

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PR Comment: https://git.openjdk.org/jdk/pull/16083#issuecomment-1756867890