[Bug 217931] amd-pstate lacks crucial features: CPU frequency and boost control

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=217931

--- Comment #52 from Sjoer van der Ploeg (sfjuocekr@gmail.com) ---
(In reply to Perry Yuan(AMD) from comment #41)
> (In reply to Sjoer van der Ploeg from comment #40)
> > Could this be the reason why some CPU's do not boost to their maximum
> > frequency, while they are happy to do so on Windows?
> > 
> > For example my 5800X3D never reaches 4550 on Linux, but on Windows it seems
> > to have no problem getting there.
> 
> Could you share the output with below commands? then I can check that.
> 
> echo "=============norminal freq==============================="
> cat /sys/devices/system/cpu/cpu*/acpi_cppc/nominal_freq
> 
> echo "=============norminal perf==============================="
> cat /sys/devices/system/cpu/cpu*/acpi_cppc/nominal_perf
> 
> echo "=============highest_perf perf==============================="
> cat /sys/devices/system/cpu/cpu*/acpi_cppc/highest_perf
> 
> echo "=============lowest_nonlinear_perf perf==============================="
> cat /sys/devices/system/cpu/cpu*/acpi_cppc/lowest_nonlinear_perf
> 
> echo "=============lowest perf==============================="
> cat /sys/devices/system/cpu/cpu*/acpi_cppc/lowest_perf
> 
> echo "=============lowest freq==============================="
> cat /sys/devices/system/cpu/cpu*/acpi_cppc/lowest_freq
> 
> Perry.

=============nominal freq===============================
3401
=============nominal perf===============================
124
=============highest_perf perf===============================
196
171
196
166
186
181
191
176
171
196
166
186
181
191
196
176
=============lowest_nonlinear_perf perf===============================
64
=============lowest perf===============================
21
=============lowest freq===============================
550

Only removed repeating values

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