On 11/06/19 09:38, Wanpeng Li wrote: > MSR_CORE_C1_RES is unreadable except for ATOM platform, so I think we > can avoid the complex logic to handle C1 now. :) I disagree. Linux uses it on all platforms is available, and virtual machines that don't pass mwait through _only_ have C1, so it would be less useful to have deep C-state residency MSRs and not C1 residency. But turbostat can get the information from sysfs, so what are these MSRs used for? Paolo
