On Mon, 28 Mar 2022, Bart Wensley wrote: > Using the --smi option with cyclictest on ice lake processors gives > the following error: > FATAL: SMI counter is not supported on this processor > > It looks like the ice lake model (0x6A) is missing from function > has_smi_counter: > https://git.kernel.org/pub/scm/utils/rt-tests/rt-tests.git/tree/src/cyclictest/cyclictest.c#n410 > > Before submitting a patch for this, I was just wondering if there was > a better way to handle this than having to update cyclictest every > time a new processor model is released? > > Bart > > This function is based on turbostat in the linux kernel. It hasn't been synced in awhile, so, if you would like to update it for ice lake then please update it for any other processors in turbostat as well. I think the function to look at is probe_nhm_msrs(). Thank You John Kacur
