Wireshark-users: Re: [Wireshark-users] RTT values in numerical form

From: "Juha Yli-Penttilä" <juha.yli-penttila@xxxxxx>
Date: Mon, 12 Jan 2009 17:35:39 +0200
Hi Joan,

thanks for your help, this is exactly what I was looking for. Another solution to this is to use tcptrace (http://www.tcptrace.org). Its RTT Stats option gives a lot of statistic concerning RTTs and it is also possible to write raw RTT data into a file.

Quoting j.snelders@xxxxxxxxxx:

Hi Juha,

You can use TShark:
$ tshark -r test.pcap -T fields -e frame.number -e tcp.analysis.ack_rtt -E
head
er=y > tcp_rtt.csv

Output:
frame.number	tcp.analysis.ack_rtt
1
2	0.000035000
3	0.000013000
4	0.199551000
5	0.014876000
6
7	0.000032000
8	0.000265000

Hope this helps
Joan

On Mon, 12 Jan 2009 14:03:43 +0200 Juha Yli-Penttil? wrote:
Hi,

I am using TCP RTT graph in Wireshark. Is there any way to get RTT
values in numerical form instead of a plotted figure? I would like to
include RTT values in statistical analysis and it would help a lot if
I would get those in numerical form, e.g. just a list containing these

values. Thanks in advance.

--
Juha Yli-Penttil?

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