Re: [PATCH] fs: pipe/sockets/anon dentries should not have a parent

From: Ingo Molnar
Date: Fri Nov 21 2008 - 10:22:47 EST



* Eric Dumazet <dada1@xxxxxxxxxxxxx> wrote:

> Before patch, time to run 8 millions of close(socket()) calls on 8
> CPUS was :
>
> real 0m27.496s
> user 0m0.657s
> sys 3m39.092s
>
> After patch :
>
> real 0m23.997s
> user 0m0.682s
> sys 3m11.193s

cool :-)

What would it take to get it down to:

>> Cost if run one one cpu :
>>
>> real 0m1.561s
>> user 0m0.092s
>> sys 0m1.469s

i guess asking for a wall-clock cost of 1.561/8 would be too much? :)

Ingo
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