RFR: 8283849: AsyncGetCallTrace may crash JVM on guarantee [v6]

[Jaroslav Bachorik]

On Fri, 6 May 2022 10:08:09 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Jaroslav Bachorik has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:
>> 
>>   Move 'in_asgct' flag to JavaThread
>
> Functionally this looks good now - thanks.
> 
> The only concern is the overhead added to `find_blob` to account for this very special case. Can you do some benchmarking of this?
> 
> Thanks.

Hi @dholmes-ora , thanks for taking time to review this.

I am running `jmh-jdk-microbenchmarks` now but I am going to be away for a week now so I will get back to you with the results only then.

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PR: https://git.openjdk.java.net/jdk/pull/8549