linux-kernel - Re: [PATCH 1/3] SCHEDULER: Add an interface for counting real utilization.

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Message-ID: <20230928080213.GD9829@noisy.programming.kicks-ass.net>
Date:   Thu, 28 Sep 2023 10:02:13 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Xiaobing Li <xiaobing.li@...sung.com>
Cc:     mingo@...hat.com, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        rostedt@...dmis.org, bsegall@...gle.com, mgorman@...e.de,
        bristot@...hat.com, vschneid@...hat.com, axboe@...nel.dk,
        asml.silence@...il.com, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, io-uring@...r.kernel.org,
        kun.dou@...sung.com, peiwei.li@...sung.com, joshi.k@...sung.com,
        kundan.kumar@...sung.com, wenwen.chen@...sung.com,
        ruyi.zhang@...sung.com
Subject: Re: [PATCH 1/3] SCHEDULER: Add an interface for counting real
 utilization.

On Thu, Sep 28, 2023 at 10:22:26AM +0800, Xiaobing Li wrote:
> +	for (int i = 0; i < MAX_SQ_NUM; i++) {
> +		if (sqstat[i] && (task_cpu(sqstat[i]) != task_cpu(p)
> +		|| sqstat[i]->__state == TASK_DEAD))
> +			sqstat[i] = NULL;
> +	}

This coding style is horrific, please don't ever use that again.