Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Wed, 11 Apr 2018 12:46:39 +0200
From:   Peter Zijlstra <peterz@infradead.org>
To:     Morten Rasmussen <morten.rasmussen@arm.com>
Cc:     mingo@redhat.com, valentin.schneider@arm.com,
        dietmar.eggemann@arm.com, vincent.guittot@linaro.org,
        gaku.inami.xh@renesas.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCHv2 3/7] sched/fair: Consider misfit tasks when
 load-balancing
Message-ID: <20180411104639.GH4043@hirez.programming.kicks-ass.net>
References: <1521125224-15434-1-git-send-email-morten.rasmussen@arm.com>
 <1521125224-15434-4-git-send-email-morten.rasmussen@arm.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1521125224-15434-4-git-send-email-morten.rasmussen@arm.com>
User-Agent: Mutt/1.9.3 (2018-01-21)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Thu, Mar 15, 2018 at 02:47:00PM +0000, Morten Rasmussen wrote:
> @@ -8548,6 +8569,14 @@ static struct rq *find_busiest_queue(struct lb_env *env,
>  		if (rt > env->fbq_type)
>  			continue;
>  
> +		/*
> +		 * For ASYM_CPUCAPACITY domains with misfit tasks we ignore
> +		 * load.
> +		 */
> +		if (env->src_grp_type == group_misfit_task &&
> +		    rq->misfit_task_load)
> +			return rq;
> +
>  		capacity = capacity_of(i);
>  
>  		wl = weighted_cpuload(rq);

Similarly, should we not return worst misfit instead of the first?