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SubjectRe: [PATCH] tools/vm/page_owner_sort.c: add switch between culling by stacktrace and txt
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On 3/21/22 10:22 PM, Yinan Zhang wrote:
> I replied to the email a few months ago. Did you receive it?

The patch was applied anyway. Anything in this subsystem gets
applied within a day or two regardless of feedback. Personally,
I'm not motivated to review anything because of that.

--Sean

>
> on 2022/3/22 4:38, Andrew Morton wrote:
>
>> These comments were not responded to:
>>
>> On Mon, 29 Nov 2021 21:23:41 -0500 Sean Anderson<seanga2@gmail.com>  wrote:
>>> This is working as designed. IMO there's no point in separating
>>> allocations like this which differ only in PID and timestamp, since you
>>> will get no grouping at all.
>>>
>>>> The info of second block missed. So, add -c to turn on culling
>>>> by stacktrace. By default, it will cull by txt.
>>> Please keep the default to actually do something in the cull step.
>>>
>>> ...
>>>
>>>> @@ -162,6 +171,9 @@ int main(int argc, char **argv)
>>>>            case 't':
>>>>                cmp = compare_num;
>>>>                break;
>>>> +        case 'c':
>>>> +            cull_st = 1;
>>>> +            break;
>>> Can we set a "cull_cmp" variable like cmp?
>>>
>>> Looking forward, I think something like
>>>
>>>     page_owner_sort --cull=stacktrace --sort=times foo bar
>>>
>>> would be nice.
>>>
>> Which is unfortunate.
>>
>> I'll send the patch in to Linus anyway, as many other patches
>> syntactically depend on it.  Please work with Sean to address these
>> issues and lets get this resolved over the next few weeks.
>>
>> Also, please cclinux-mm@kvack.org  on changes to page_owner.
>>


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