Re: [RFC PATCH 2/5] numa: append per-node execution info in memory.numa_stat

[çè]

On 2019/4/23 äå5:46, Peter Zijlstra wrote:
> On Tue, Apr 23, 2019 at 05:36:25PM +0800, çè wrote:
>>
>>
>> On 2019/4/23 äå4:52, Peter Zijlstra wrote:
>>> On Mon, Apr 22, 2019 at 10:12:20AM +0800, çè wrote:
>>>> This patch introduced numa execution information, to imply the numa
>>>> efficiency.
>>>>
>>>> By doing 'cat /sys/fs/cgroup/memory/CGROUP_PATH/memory.numa_stat', we
>>>> see new output line heading with 'exectime', like:
>>>>
>>>>   exectime 24399843 27865444
>>>>
>>>> which means the tasks of this cgroup executed 24399843 ticks on node 0,
>>>> and 27865444 ticks on node 1.
>>>
>>> I think we stopped reporting time in HZ to userspace a long long time
>>> ago. Please don't do that.
>>
>> Ah I see, let's make it us maybe?
> 
> ms might be best I think.

Will be in next version.

Regards,
Michael Wang

>