Re: [PATCH v2 0/3] cpufreq: Introduce boot frequency QoS
From: Viresh Kumar
Date: Wed Jan 07 2026 - 23:38:00 EST
Sorry for the delay Pierre.
s/boot/boost/ in $Subject.
On 08-12-25, 11:59, Pierre Gondois wrote:
> E.g.:
> On a Juno with available frequencies: 600.000, 1.000.000
> Boost frequencies: 1.200.000
> Using the cppc-cpufreq driver.
>
> ---
> Without the patches:
> # ## Init state
> scaling_max_freq:1000000
> cpuinfo_max_freq:1000000
>
> # echo 700000 > scaling_max_freq
> scaling_max_freq:700000
> cpuinfo_max_freq:1000000
>
> # echo 1 > ../boost
> scaling_max_freq:1200000
> cpuinfo_max_freq:1200000
>
> # echo 800000 > scaling_max_freq
> scaling_max_freq:800000
> cpuinfo_max_freq:1200000
>
> # echo 0 > ../boost
> scaling_max_freq:1000000
> cpuinfo_max_freq:1000000
>
> ---
> With the patches:
> # ## Init
> scaling_max_freq:1000000
> cpuinfo_max_freq:1000000
>
> # echo 700000 > scaling_max_freq
> scaling_max_freq:700000
> cpuinfo_max_freq:1000000
>
> # echo 1 > ../boost
> scaling_max_freq:700000
> cpuinfo_max_freq:1200000
>
> # echo 800000 > scaling_max_freq
> scaling_max_freq:800000
> cpuinfo_max_freq:1200000
>
> # echo 0 > ../boost
> scaling_max_freq:800000
> cpuinfo_max_freq:1000000
This is rather important, please add this to 1/3's commit log.
--
viresh