Re: [LARTC] measure cpu load ?

Linux Advanced Routing and Traffic Control

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You can did it by wrapping xxx_dequeue routine of the qdisc
by calls to TSC counter and accumulate these differences over
some time.
I measured CBQ and HTB cpu usage by this way as can be seen
at HTB home page.
devik

On Fri, 25 Apr 2003, Srikanth wrote:

> >> I would like to measure the CPU load for some queuing discipline, and only
> >> queuing discipline. Is there any tool witch this can be done.
>
> >I think you will need to do this indirectly.
>
> >Perform an experiment like this:
>
> >Setup a test machine. It runs nothing but traffic management.
>
> >Push test traffic through the machine.
>
> >Observe the machine's CPU load.
>
> >You can now derive the relationship between traffic level,
> >traffic mix, traffic type and CPU load, by repeating the experiment
> >with different input variables.
>
>
> You can try with ttcp tool.
>
> Srikanth.
>
>
>
>
> ------------------------------------------------------------------------
>



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