[Click] peak packet forwarding rate measurement

[Erik VandeKieft]

So, how would we create, for example, an input rate vs. forwarding rate
graph, as in the original click paper?  Would we compare the sum of the
"count"  handlers of the senders' InfiniteSource elements against the
"count" handler of a Counter element placed right before the packets are
forwarded by the router to the receivers (the last ToDevice in the
configuration on the router)?

--Erik

On Thu, 29 Jul 2004, Eddie Kohler wrote:

> If you are running a kernel configuration, the handlers are available
> in the /click filesystem.
>
> If you are running a user level configuration, you can include a
> ControlSocket element and telnet to the router to see handler values
> (man ControlSocket).
>
> Either way, you can include a PokeHandlers element to print handler
> values periodically (man PokeHandlers).
>
> Eddie
>
> On Jul 29, 2004, at 1:12 PM, Lan Xue wrote:
>
> > Eddie,
> >
> > Thanks for the suggestions. Is there a way to print out the handlers
> > in a
> > real time fashion, while the router is still running? The -h option
> > only
> > allows printing out when the router is interrupted.
> >
> > Lan
> >
> > On Thu, 29 Jul 2004, Eddie Kohler wrote:
> >
> >> Lan Xue wrote:
> >>> Hi,
> >>>
> >>> I would like to measure the peak packet forwarding rate of click
> >>> router
> >>> given a certain setup. Does the router software itself provide any
> >>> functionality of doing that?
> >>
> >> The real way to measure peak forwarding rate is with multiple
> >> machines, one or
> >> more senders, a router, and one or more receivers -- then you know
> >> you are
> >> measuring exactly what you wanted.  Within Click you can use
> >> InfiniteSource/RatedSource packet generators, and Counter elements,
> >> or the
> >> various elements' count and drops handlers (ToDevice and FromDevice
> >> and
> >> PollDevice have them, for example), to get a genearl idea.
> >>
> >> Eddie
> >>
>
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