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

Thu Oct 26 11:31:49 UTC 2023

On Fri, 8 Jul 2022 13:56:33 GMT, Jean-Philippe Bempel <jpbempel at openjdk.org> wrote:

> Add a new context menu when clicking on stacktrace view to export
> selected stacktraces as collapsed format. With this format it's
> easy to manipulate/filter stacktraces as text file and generate
> a flamegraph with the perl script from the flamegraph repository
> (https://github.com/brendangregg/FlameGraph)
> 
> The generated content is copied into the clipboard.
> 
> <img width="936" alt="Screenshot 2022-07-08 at 15 49 18" src="https://user-images.githubusercontent.com/4610701/178006101-f3ffba80-6332-4673-bc8e-299321bd6979.png">

Looks good! Thanks JP!

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Marked as reviewed by hirt (Lead).

PR Review: https://git.openjdk.org/jmc/pull/409#pullrequestreview-1699359154