linux-kernel - Re: [PATCH v2] selftests/cgroup: memory controller self-tests

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Date:   Thu, 10 May 2018 13:29:07 -0600
From:   Shuah Khan <shuah@...nel.org>
To:     Tejun Heo <tj@...nel.org>, Roman Gushchin <guro@...com>
Cc:     Johannes Weiner <hannes@...xchg.org>,
        Michal Hocko <mhocko@...e.com>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>, kernel-team@...com,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        Shuah Khan <shuah@...nel.org>
Subject: Re: [PATCH v2] selftests/cgroup: memory controller self-tests

On 05/10/2018 12:32 PM, Tejun Heo wrote:
> On Thu, May 10, 2018 at 05:37:01PM +0100, Roman Gushchin wrote:
>> Cgroups are used for controlling the physical resource distribution
>> (memory, CPU, io, etc) and often are used as basic building blocks
>> for large distributed computing systems. Even small differences
>> in the actual behavior may lead to significant incidents.
>>
>> The codebase is under the active development, which will unlikely
>> stop at any time soon. Also it's scattered over different
>> kernel subsystems, which makes regressions more probable.
>>
>> Given that, the lack of any tests is crying.
>>
>> This patch implements some basic tests for the memory controller,
>> as well as a minimal required framework.
>> It doesn't pretend for a very good coverage, but pretends
>> to be a starting point.
>>
>> Hopefully, any following significant changes will
>> include corresponding tests.
>>
>> Tests for CPU and io controllers, as well as cgroup core
>> are next in the todo list.
> 
> This is great.  Applying to cgroup/for-4.18.
> 
> Thanks a lot.
> 

Don't pull them yet. If Roman can redo the patches on linux-kselftest next,
he can pick up the SKIP changes.

thanks,
-- Shuah