Re: [RESEND][PATCHv2] cpufreq/schedutil: Only bind threads if needed

From: Christian Loehle
Date: Mon Nov 18 2024 - 07:49:50 EST


On 11/6/24 14:55, Christian Loehle wrote:
> Remove the unconditional binding of sugov kthreads to the affected CPUs
> if the cpufreq driver indicates that updates can happen from any CPU.
> This allows userspace to set affinities to either save power (waking up
> bigger CPUs on HMP can be expensive) or increasing performance (by
> letting the utilized CPUs run without preemption of the sugov kthread).
>
> Signed-off-by: Christian Loehle <christian.loehle@xxxxxxx>
> Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> Acked-by: Vincent Guittot <vincent.guittot@xxxxxxxxxx>
> Acked-by: Rafael J. Wysocki <rafael@xxxxxxxxxx>
> Acked-by: Juri Lelli <juri.lelli@xxxxxxxxxx>
> ---

Gentle ping on this.

Regards,
Christian