This uses Antonio's src/panfrost/perf for all the heavylifting, just
like the Perfetto producer. Unlike the Perfetto producer, it has no
dependencies and is a lot less useful. But it's a good smoke test.
Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11733>
