linux-kernel - Re: [RFC 0/2] Introduce cgroup.top interface

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Message-ID: <e6deb22b-506d-d4f6-1a75-58dda4b58bcc@huawei.com>
Date:   Fri, 26 Aug 2022 17:50:55 +0800
From:   "lujialin (A)" <lujialin4@...wei.com>
To:     Tejun Heo <tj@...nel.org>
CC:     Zefan Li <lizefan.x@...edance.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...nel.org>,
        Roman Gushchin <roman.gushchin@...ux.dev>,
        Shakeel Butt <shakeelb@...gle.com>,
        Muchun Song <songmuchun@...edance.com>,
        Xiu Jianfeng <xiujianfeng@...wei.com>,
        <cgroups@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-mm@...ck.org>
Subject: Re: [RFC 0/2] Introduce cgroup.top interface

Ok, I got it, thanks

在 2022/8/26 11:17, Tejun Heo 写道:
> Hello,
>
> On Fri, Aug 26, 2022 at 09:15:01AM +0800, Lu Jialin wrote:
>> Cgroup is used to organize and manage resource available processes.
>> Currently there are no handy tool for gathering reousrce usage
>> information for each and every child cgroups, makes it hard to detect
>> resource outage and debug resource issues.
>>
>> To overcome this, we present the cgroup.top interface. Just like the
>> top command, user is able to easily gather resource usage information
>> , allowing user to detect and respond to resource outage in child
>> cgroups
> I don't think this is something we want build into the kernel. Maybe what
> you want is something similar to below?
>
>    https://github.com/facebookincubator/below
>
> Thanks.
>