lkml.org 
[lkml]   [2019]   [Apr]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC PATCH 2/5] numa: append per-node execution info in memory.numa_stat
From
Date


On 2019/4/23 下午5:46, Peter Zijlstra wrote:
> On Tue, Apr 23, 2019 at 05:36:25PM +0800, 王贇 wrote:
>>
>>
>> On 2019/4/23 下午4:52, Peter Zijlstra wrote:
>>> On Mon, Apr 22, 2019 at 10:12:20AM +0800, 王贇 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

>

\
 
 \ /
  Last update: 2019-04-23 12:01    [W:0.059 / U:11.532 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site