[Click] SimpleQueue Performance issue

[Yongheng Qi]

userlevel or kernelmod?

2009/12/9 <remi.clavier at orange-ftgroup.com>

>
> I have not anderstant exactly how Simple Queue works.
> For a specific use, I patch SimpleQueue to add an annotation when the
> length is greather tha a given value using the packet->uniqueify()
> function to have a new packet to annotate .When the ModifiedQueue is
> empty, nothing special happends.
>
> But when the Queue contains Packets, the CPU usage grows very quickly
> and go to 100% when the numbre of packets in the queue becomes higher;
> When the Queue becomes empty, the CPU usage decrease slowly to a normal
> value
>
> I's a normal behavior for a Simple Queue or is this problem related to
> my patch?
>
>
> I use click 1.7 with multithread option.
>
> Help will be welcome
>
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> click at amsterdam.lcs.mit.edu
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>



-- 
Yongheng Qi

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