Re: [GIT PULL] Urgent power management fixes for v4.18

From: Rafael J. Wysocki
Date: Wed Aug 01 2018 - 06:06:37 EST

On Wed, Aug 1, 2018 at 12:03 PM, Rafael J. Wysocki <rafael@xxxxxxxxxx> wrote:
> urgent power management fixes for final 4.18.
> These fix the scope of a recent intel_pstate driver optimization
> used incorrectly on some systems due to processor identification
> ambiguity and fix a few issues in the turbostat utility, including
> three recent regressions.
> Specifics:
> - Use ACPI FADT preferred PM Profile to distinguish Skylake
> desktop processors from some server ones with the same model
> number in order to limit the scope of the recent IO-wait boost
> optimization to servers, as intended (Srinivas Pandruvada).
> - Fix several issues in the turbostat utility:
> * Fix the -S option on 1-CPU systems (Len Brown).
> * Fix computations using incorrect processor core counts (Artem
> Bityutskiy).
> * Fix the x2apic debug message (Len Brown).
> * Fix logical node enumeration to allow for non-sequential
> physical nodes (Prarit Bhargava).
> * Fix reported family on modern AMD processors (Calvin Walton).
> * Clarify the RAPL column information in the man page (Len Brown).

Sorry for the broken message, I'll send the correct one shortly.