Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Subject: Re: [PATCH 2/2] sched: Split the function show_schedstat()
To:     Mel Gorman <mgorman@suse.de>
CC:     <mingo@redhat.com>, <peterz@infradead.org>,
        <juri.lelli@redhat.com>, <vincent.guittot@linaro.org>,
        <dietmar.eggemann@arm.com>, <rostedt@goodmis.org>,
        <bsegall@google.com>, <bristot@redhat.com>,
        <linux-kernel@vger.kernel.org>, Shiyuan Hu <hushiyuan@huawei.com>,
        Hewenliang <hewenliang4@huawei.com>
References: <66f73a23-a273-7dff-4202-adc61c3152c8@huawei.com>
 <a0245eb6-d7ff-cae5-3608-d46424fa437d@huawei.com>
 <20201203094237.GD3306@suse.de>
From:   Yunfeng Ye <yeyunfeng@huawei.com>
Message-ID: <b2919179-3045-bd4b-2e0a-2f472ddb73d8@huawei.com>
Date:   Fri, 4 Dec 2020 09:22:34 +0800
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101
 Thunderbird/60.6.1
MIME-Version: 1.0
In-Reply-To: <20201203094237.GD3306@suse.de>
Content-Type: text/plain; charset="iso-8859-15"
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Precedence: bulk


On 2020/12/3 17:42, Mel Gorman wrote:
> On Thu, Dec 03, 2020 at 02:47:14PM +0800, Yunfeng Ye wrote:
>> The schedstat include runqueue-specific stats and domain-specific stats,
>> so split it into two functions, show_rqstat() and show_domainstat().
>>
>> No functional changes.
>>
>> Signed-off-by: Yunfeng Ye <yeyunfeng@huawei.com>
> 
> Why?
> 
> I could understand if there was a follow-up patch that adjusted some
> subset or there was a difference in checking for schedstat_enabled,
> locking or inserting new schedstat information. This can happen in the
> general case when the end result is easier to review here it seems to be
> just moving code around.
> 
The rqstat and domainstat is independent state information. so I think
split it into two individual function is clearer.

Thanks.