linux-kernel - Re: [PATCH v4 1/2] sched/numa: introduce per-cgroup NUMA locality info

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Date:   Thu, 5 Dec 2019 11:52:37 +0800
From:   王贇 <yun.wang@...ux.alibaba.com>
To:     Randy Dunlap <rdunlap@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Iurii Zaikin <yzaikin@...gle.com>,
        Michal Koutný <mkoutny@...e.com>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org,
        "Paul E. McKenney" <paulmck@...ux.ibm.com>,
        Jonathan Corbet <corbet@....net>
Subject: Re: [PATCH v4 1/2] sched/numa: introduce per-cgroup NUMA locality
 info



On 2019/12/5 上午11:29, Randy Dunlap wrote:
> On 12/4/19 7:28 PM, Randy Dunlap wrote:
>> Hi,
>>
>> It seems that you missed my previous comments...
>>
>>
>> On 12/3/19 11:59 PM, 王贇 wrote:
>>> diff --git a/init/Kconfig b/init/Kconfig
>>> index 4d8d145c41d2..fb7182a0d017 100644
>>> --- a/init/Kconfig
>>> +++ b/init/Kconfig
>>> @@ -817,6 +817,15 @@ config NUMA_BALANCING_DEFAULT_ENABLED
>>>  	  If set, automatic NUMA balancing will be enabled if running on a NUMA
>>>  	  machine.
>>>
>>> +config CGROUP_NUMA_LOCALITY
>>> +	bool "The per-cgroup NUMA Locality"
>>
>> Drop "The"
>>
>>> +	default n
>>> +	depends on CGROUP_SCHED && NUMA_BALANCING
>>> +	help
>>> +	  This option enable the collection of per-cgroup NUMA locality info,
>>
>> 	              enables
>>
>>> +	  to tell whether NUMA Balancing is working well for a particular
>>> +	  workload, also imply the NUMA efficiency.
>>> +
>>>  menuconfig CGROUPS
>>>  	bool "Control Group support"
>>>  	select KERNFS
>>
>>
>> thanks.
>>
> 
> Ah, the changes are in patch 2/2/ for some reason.  OK, thanks.

My bad, let's move them to 1/2 then, also will apply the comments you sent
for 2/2 in next version ;-)

Regards,
Michael Wang

>