On 5/11/11 7:54 PM, Tom Eastep wrote:
> On 5/11/11 7:39 PM, Mr Dash Four wrote:
>>
>>> The calculations make sense. I think my first attempt to test this would
>>> be to run parallel netperfs (one netperf per class) and look at the
>>> output of 'shorewall show tc'. That will show you what the actual speeds
>>> are. I don't recall if netperf provides any latency data.
>>>   
>> Well, I did quite a bit of testing in the past couple of hours, but I
>> am, quite frankly, unimpressed!
>>
>> I used netperf's biggest brother - iperf - instead.
> 
> I consider iperf to be netperf's little sister


I recommended netperf because I already knew that iperf only reports
throughput and not latency. When you vary TC parameters that only affect
latency, you can't expect throughput to change.

I still don't know if netperf reports latency information. I expected
you to try it and let us know.

-Tom
-- 
Tom Eastep        \ When I die, I want to go like my Grandfather who
Shoreline,         \ died peacefully in his sleep. Not screaming like
Washington, USA     \ all of the passengers in his car
http://shorewall.net \________________________________________________

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