Forcing clocksource back to tsc with tsc=nowatchdog fixes the performance regression.
- Bug#995997: linux-image-5.14.0-2-amd64: Apps issue lots of cloc... Vladimir K
- Bug#995997: linux-image-5.14.0-2-amd64: Apps issue lots of... Vladimir K
- Bug#995997: linux-image-5.14.0-2-amd64: Apps issue lots of... Vladimir K