It also is broken in 15.4 with 5.14.21-150400.24.46-default It works with 5.14.21-150400.24.41-default so something changed in the kernel this can get the speeds in tumbleweed and 15.4 and 15.5 cat /proc/cpuinfo | grep MHz | awk -F: '{ print $2}' | awk -F"." '{ ORS="" ; print $1 }' > ./cpu 972 2400 2000 2400 2400 2400 2400 2400 2400 2000 2400 965 I have 6 core with 12 threads - cpu 0 - cpu 11 > cat /proc/cpuinfo | grep MHz cpu MHz : 949.024 cpu MHz : 2400.000 cpu MHz : 1000.511 cpu MHz : 2400.000 cpu MHz : 1115.016 cpu MHz : 985.981 cpu MHz : 800.032 cpu MHz : 800.029 cpu MHz : 2400.000 cpu MHz : 981.038 cpu MHz : 917.302 cpu MHz : 800.001