linux-kernel - Re: [PATCH V2 00/10] unify the interface of the proportional-share policy in blkio/io

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Message-ID: <20181120162816.GV2509588@devbig004.ftw2.facebook.com>
Date:   Tue, 20 Nov 2018 08:28:16 -0800
From:   Tejun Heo <tj@...nel.org>
To:     Paolo Valente <paolo.valente@...aro.org>
Cc:     Jens Axboe <axboe@...nel.dk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Li Zefan <lizefan@...wei.com>,
        Angelo Ruocco <angeloruocco90@...il.com>,
        Dennis Zhou <dennis@...nel.org>,
        Josef Bacik <josef@...icpanda.com>,
        Liu Bo <bo.liu@...ux.alibaba.com>,
        Bart Van Assche <bvanassche@....org>,
        Johannes Weiner <hannes@...xchg.org>,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        ulf.hansson@...aro.org, linus.walleij@...aro.org,
        broonie@...nel.org, bfq-iosched@...glegroups.com,
        oleksandr@...alenko.name, cgroups@...r.kernel.org,
        linux-doc@...r.kernel.org, Jonathan Corbet <corbet@....net>
Subject: Re: [PATCH V2 00/10] unify the interface of the proportional-share
 policy in blkio/io

Hello, Paolo.

On Mon, Nov 19, 2018 at 11:34:14AM +0100, Paolo Valente wrote:
> - if all entities produce the same output, the this common output is
>  shown only once;
> - if the outputs differ, then every per-entity output is shown,
>  followed by the name of the entity that produced that output.

So, this doesn't make sense to me.  One set of numbers is meaningful,
the other not and the user doesn't have a way to tell which one is.
It makes no sense to present both numbers.

Thanks.

-- 
tejun