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

[Jean-Philippe Bempel]

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">

This pull request has now been integrated.

Changeset: b0d11227
Author:    Jean-Philippe Bempel <jpbempel at openjdk.org>
URL:       https://git.openjdk.org/jmc/commit/b0d11227eff832f5c25ead7d3512f0e34efb8446
Stats:     181 lines in 5 files changed: 178 ins; 0 del; 3 mod

7806: Add an export option for Stacktraces in collapsed format

Reviewed-by: hirt

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PR: https://git.openjdk.org/jmc/pull/409