From: Tejun Heo <tj@kernel.org>
To: Lu Jialin <lujialin4@huawei.com>
Cc: Zefan Li <lizefan.x@bytedance.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Andrew Morton <akpm@linux-foundation.org>,
Michal Hocko <mhocko@kernel.org>,
Roman Gushchin <roman.gushchin@linux.dev>,
Shakeel Butt <shakeelb@google.com>,
Muchun Song <songmuchun@bytedance.com>,
Xiu Jianfeng <xiujianfeng@huawei.com>,
cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [RFC 0/2] Introduce cgroup.top interface
Date: Thu, 25 Aug 2022 17:17:09 -1000 [thread overview]
Message-ID: <Ywg7NcHtfjDKjwXR@slm.duckdns.org> (raw)
In-Reply-To: <20220826011503.103894-1-lujialin4@huawei.com>
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.
--
tejun
next prev parent reply other threads:[~2022-08-26 3:17 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-26 1:15 [RFC 0/2] Introduce cgroup.top interface Lu Jialin
2022-08-26 1:15 ` [RFC 1/2] cgroup: Introduce per-cgroup resource top show interface Lu Jialin
2022-08-26 1:15 ` [RFC 2/2] memcg: Adapt cgroup.top into per-memcg Lu Jialin
2022-08-26 7:38 ` Michal Hocko
2022-08-26 3:17 ` Tejun Heo [this message]
2022-08-26 9:50 ` [RFC 0/2] Introduce cgroup.top interface lujialin (A)
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