Re: Congestion Avoidance Monitoring Tools

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On Thu, 2006-04-20 at 22:26 -0700, Piet Delaney wrote:
> I'm upgrading our 2.6.12 kernel to 2.6.13, which includes significant
> congestion avoidance code additions and changes. I was wondering if
> there are any tools folks can recommend for testing the kernel to make
> sure the congestion avoidance code is operating correctly. For 
> example the displaying of the congestion window as a function of time
> while undergoing convergence. For causing congestion I could modify 
> a kernel to discard packets once in a while on a lab gateway and hit 
> it with iperf. HP's netperf looks interesting. 
> 
> Any suggestions?
> 
> 
> -piet
> 

Hi,

Try having a look at the output of 'ss -i' (you may need to update to
the latest iproute2 tools). You could either try and parse the text
output of that or use the same inet_diag interface that ss uses to poll
for the data it at regular intervals.

-- 
Thomas Young
http://cubinlab.ee.unimelb.edu.au/~tyo/
Research Assistant
CUBIN Research Centre - University of Melbourne

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