Re: [PATCH 09/19] sched/fair: Count tasks prefering each LLC in a sched group

[K Prateek Nayak]

Hello Tim,

On 10/11/2025 11:54 PM, Tim Chen wrote:
> +#ifdef CONFIG_SCHED_CACHE
> +		if (sched_cache_enabled()) {
> +			int j;
> +
> +			for (j = 0; j < max_llcs; ++j)
> +				sgs->nr_pref_llc[j] += rq->nr_pref_llc[j];
> +		}
> +#endif

If I'm not mistaken, we only compare
"sds->nr_pref_llc[llc_idx(env->dst_cpu)]"
and the destination LLC is always fixes. Do we need to aggregate the
data for all the LLCs? Is a single "nr_pref_llc_dest" enough?

>  		/*
>  		 * No need to call idle_cpu() if nr_running is not 0
>  		 */

-- 
Thanks and Regards,
Prateek