Hi Ilpo, I run the following command on Intel(R) Xeon(R) Gold 6254 CPU. - $ sudo make -C tools/testing/selftests/resctrl run_tests - tools/testing/selftests/resctrl$ sudo ./resctrl_tests There is no problem. <Reviewed-by:tan.shaopeng@xxxxxxxxxxxxxx> <Tested-by:tan.shaopeng@xxxxxxxxxxxxxx> Best regards, Shaopeng TAN