RFR: 7806: Add an export option for Stacktraces in collapsed format

[Jean-Philippe Bempel]

On Thu, 15 Sep 2022 19:48:17 GMT, Jean-Philippe Bempel <jpbempel at openjdk.org> wrote:

>> Hi @jpbempel! This is still a draft PR. Is there something that you'd like to do before marking it ready for review?
>
>> Hi @jpbempel! This is still a draft PR. Is there something that you'd like to do before marking it ready for review?
> 
> yes I need to take into account attribute selected for the export as well

> Hi @jpbempel! Is this something you would like to get into JMC 9?

Yes!
Sorry I am ashamed I let this PR in that while there was really almost nothing left to finish it. Now should be good, you can select the attribute you want to aggregate on before exporting into collapsed format

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PR Comment: https://git.openjdk.org/jmc/pull/409#issuecomment-1780859834