https://bugs.winehq.org/show_bug.cgi?id=41976
--- Comment #1 from Artem S. Tashkinov t.artem@mailcity.com --- My CPU is Intel Core i5 2500.
When I set my CPU frequency to exactly 1600MHz, this CPU usage doesn't change much.
So at 3.4GHz and at 1.6GHz two cores are roughly 50% busy which seems a little bit like a Linux kernel scheduler bug.