SameBoy got a cpu usage meter. Rebase to current might be tough, but looks cherry pickable in some manner. Then maybe add simple popup window for it. - https://github.com/LIJI32/SameBoy/commit/f706988171a83402a7e982115abe8359c3ae4cc3 - https://github.com/LIJI32/SameBoy/commit/6ab1be654b4e56db1028b6f5faa1d67543623d2d - https://github.com/LIJI32/SameBoy/issues/654
SameBoy got a cpu usage meter. Rebase to current might be tough, but looks cherry pickable in some manner. Then maybe add simple popup window for it.