Re: [PATCH 0/3] cpupower: Improve arm64 frequency and CPPC reporting

[Shuah <shuah@kernel.org>]

On 7/9/26 16:13, Jeremy Linton wrote:
> On x86, cpupower can report both kernel requested frequency
> information and hardware reported frequency information, along with
> CPPC related performance limits when available.
> 
> Arm64 platforms using ACPI CPPC, expose similar standardized
> information, but cpupower does not currently make it visible.
> 
> This set adds a generic CPPC performance display based on the
> standardized ACPI CPPC sysfs fields, wires it up for non AMD
> processors, and updates debug frequency output so cpupower prints both
> kernel reported and hardware reported current frequencies when both
> are available.
> 
> Jeremy Linton (3):
>    cpupower: Add generic CPPC performance display
>    cpupower: Build and call CPPC information on non-AMD processors
>    cpupower: Print kernel and hardware frequency information
> 
>   tools/power/cpupower/Makefile                |  2 +-
>   tools/power/cpupower/utils/cpufreq-info.c    | 11 ++--
>   tools/power/cpupower/utils/helpers/cppc.c    | 56 ++++++++++++++++++++
>   tools/power/cpupower/utils/helpers/helpers.h |  2 +
>   4 files changed, 65 insertions(+), 6 deletions(-)
>   create mode 100644 tools/power/cpupower/utils/helpers/cppc.c
> 

Applied to https://web.git.kernel.org/pub/scm/linux/kernel/git/shuah/linux.git/log/?h=cpupower
for Linux 7.3-rc1.

thanks,
-- Shuah