Re: [PATCH v2 4/7] sched/fair: Introduce sched_smt_siblings_idle()

[Valentin Schneider]

On 23/12/22 21:28, Ricardo Neri wrote:
> On Thu, Dec 22, 2022 at 04:56:22PM +0000, Valentin Schneider wrote:
>> On 22/11/22 12:35, Ricardo Neri wrote:
>> > Architectures that implement arch_asym_cpu_priority() may need to know the
>> > idle state of the SMT siblings of a CPU. The scheduler has this information
>> > and functionality. Expose it.
>> >
>> > Move the existing functionality outside of the NUMA code.
>> >
>> 
>> test_idle_cores() does something similar without an iteration, did you
>> consider using that instead?
>
> IIUC, test_idle_cores() returns true if there is at least one idle core in
> the package. In my case, I need to know the idle state of only the SMT
> siblings of a specific CPU. Am I missing something?
>

No, you're right, clearly I needed that end of the year break - sorry for
the noise.

> Thanks and BR,
> Ricardo