Evaluating SystemTap for Network Response Times

[Nathan DeBardeleben]

Hien Nguyen wrote:
> Hi Nathan,
>
> I think what you are trying to achieve could be done with systemtap. I 
> wrote a small script to monitor the tcp traffic a while back (see URL 
> below)
> http://sourceware.org/ml/systemtap/2005-q4/msg00302.html
>
I'm a complete newbie to systemtap, so please explain why when I try and 
run the example on the link above that you sent me I get this:
> [root@kraken1 systemtap]# stap -v tcp_mon.stp
> Created temporary directory "/tmp/stapM6VSNS"
> parse error: embedded code in unprivileged script
>         saw: embedded-code at tcp_mon.stp:70:1
> 1 parse error(s).
> Searched 
> '/usr/share/systemtap/tapset/2.6.14-1.1656_FC4smp/x86_64/*.stp', match 
> count 0
> Searched '/usr/share/systemtap/tapset/2.6.14-1.1656_FC4smp/*.stp', 
> match count 0
> Searched '/usr/share/systemtap/tapset/2.6.14/x86_64/*.stp', match count 0
> Searched '/usr/share/systemtap/tapset/2.6.14/*.stp', match count 1
> Searched '/usr/share/systemtap/tapset/2.6/x86_64/*.stp', match count 0
> Searched '/usr/share/systemtap/tapset/2.6/*.stp', match count 0
> Searched '/usr/share/systemtap/tapset/x86_64/*.stp', match count 0
> Searched '/usr/share/systemtap/tapset/*.stp', match count 8
> Pass 1: parsed user script and 9 library script(s).
> Pass 1: parse failed.  
> Running rm -rf /tmp/stapM6VSNS
> [root@kraken1 systemtap]# 
Also you say to copy tapset.stp to a directory you create in that post - 
where do I get tapset.stp?

Sorry for the beginner question :)

-- Nathan
Correspondence
---------------------------------------------------------------------
Nathan DeBardeleben, Ph.D.
Los Alamos National Laboratory
Parallel Tools Team
High Performance Computing Environments
phone: 505-667-3428
email: ndebard@lanl.gov
---------------------------------------------------------------------