[LARTC] measuring queueing delay using iproute2

Linux Advanced Routing and Traffic Control

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you have to modify kernel code ;) Add one field into
sk_buff and initialize it with TSC at recieve. Then
in global dequeue in sch_generic.c IIRC you can
compute delay and either prinkt or average it directly
in kernel.
devik

On Tue, 26 Feb 2002, Radhakrishnan Vijay wrote:

> I am using the tc functionality provided by iproute2
> to setup classes and queueing disciplines. I have a
> requirement to determine the queueing delay of each
> packet belonging to a particular class so that i can
> measure the average queueing delay over a time
> interval for a particular traffic class. I would be
> grateful if somebody could give me pointers on how i
> possibly can achieve this. I suspect that i would have
> to modify the source code of iproute2 , but am not too
> sure on what segment of the code i should be
> modifying.



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