RFR: Enhancements for Shenandoah's generational mode [v7]

[Aleksey Shipilev]

On Fri, 31 Mar 2023 08:03:18 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> I don't see GHA runs for this, could you go to https://github.com/earthling-amzn/shenandoah-visualizer/actions and enable them? You'd probably need to submit the workflow run on your `earthling-amzn:genshen-visualizer` branch manually. Bots should catch up with the results then,.

Apparently GHA results would not show up in this PR until this configuration change:
  https://bugs.openjdk.org/browse/SKARA-1869

Just check it is green in https://github.com/earthling-amzn/shenandoah-visualizer/actions.

-------------

PR Comment: https://git.openjdk.org/shenandoah-visualizer/pull/1#issuecomment-1492447912