linux-kernel - Re: [PATCH v3 1/3] sched/fair: Add asymmetric CPU capacity wakeup scan

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Message-ID: <7dd8b850-855c-29e2-8580-357cf1c8ce30@arm.com>
Date:   Wed, 29 Jan 2020 09:25:50 +0000
From:   Valentin Schneider <valentin.schneider@....com>
To:     Pavan Kondeti <pkondeti@...eaurora.org>
Cc:     linux-kernel@...r.kernel.org, mingo@...hat.com,
        peterz@...radead.org, vincent.guittot@...aro.org,
        dietmar.eggemann@....com, morten.rasmussen@....com,
        qperret@...gle.com, adharmap@...eaurora.org
Subject: Re: [PATCH v3 1/3] sched/fair: Add asymmetric CPU capacity wakeup
 scan



On 29/01/2020 03:52, Pavan Kondeti wrote:
>> No particular reason other than we didn't consider it, I think. I don't see
>> any harm in folding it in, I'll do that for v4. I am curious however; are
>> you folks making use of SCHED_IDLE? AFAIA Android isn't making use of it
>> yet, though Viresh paved the way for that to happen.
>>
> 
> We are not using SCHED_IDLE in product setups. I am told Android may use it
> for background tasks in future. I am not completely sure though. I asked it
> because select_idle_cpu() is using it.
> 

Fair enough! Thanks.