Re: No, really, stop trying to delete slab until you've finishedmaking slub perform as well

From: Christoph Lameter
Date: Wed Aug 06 2008 - 10:25:51 EST


KOSAKI Motohiro wrote:
>>>> Can you quantify the difference?
>>> machine spec:
>>> CPU: IA64 x 8
>>> MEM: 8G (4G x2node)
>> 16k or 64k page size?
>
> 64k.
>
>
>>> So, about 2.5G - 3G difference in 8G mem.
>> Well not sure if that tells us much. Please show us the output of
>> /proc/meminfo after each run. The slab counters indicate how much memory is
>> used by the slabs.
>>
>> It would also be interesting to see the output of the slabinfo command after
>> the slub run?
>
> ok.
> but i can't do that in this week.
> so, I'll do it in next week.
>
> honestly, I don't know how to use slabinfo command :-)

Its in linux/Documentation/vm/slabinfo.c

Do

gcc -o slabinfo Documentation/vm/slabinfo.c

./slabinfo

(./slabinfo -h if you are curious and want to use more advanced options)

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