Count jitter and delay->Help

[Alaios]

Hi... in the main page of the argus web site i have
found that

"such as connectivity, capacity, demand,
loss, delay, and jitter on a per transaction basis."

My problem is that i need to count the jitter of a
flow but still i am not able to do it. The previous
days i have read all the docs but the only appropriate
value tha i have found is the -J for the argus
program...

Still i can't find how to show the jitter and
interarrival between my packets..
CAn u plz suggest me somthing?
Thx

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