Re: SystemTap on Fedora 11

[Andrew Klaassen <clawsoon@yahoo.com>]

--- On Tue, 2/10/09, Maynard Johnson <maynardj@us.ibm.com> wrote:

> From: Maynard Johnson <maynardj@us.ibm.com>
> Subject: SystemTap on Fedora 11
> To: systemtap@sourceware.org
> Date: Tuesday, February 10, 2009, 1:34 PM
> Hi,
> I plan on doing some systemtap development on a Fedora 11
> G5 box.  Started out by just installing the F11 systemtap
> rpm and tried the HelloWorld example from
> /usr/share/doc/systemtap-0.8/examples/general, but I get a
> bunch of error messages, as follows:
> 
> [ppcteam@localhost general]$ sudo stap -p4 helloworld.stp
> parse error: command line argument index 1 out of range
> [1-0]
>         at: operator '' at
> /usr/share/systemtap/tapset/argv.stp:15:29
>      source:       %( $# >= 1 %? argv[1]=@1 %)
>                                          ^
> parse error: command line argument index 2 out of range
> [1-0]
>         at: operator '' at
> /usr/share/systemtap/tapset/argv.stp:16:29
>      source:       %( $# >= 2 %? argv[2]=@2 %)
> 
> ..... lots more of the same kind of thing
> 
> The verbose option doesn't help any.  I'm just
> getting my feet wet with SystemTap, so maybe this is
> something simple I'm missing.  Any idea what might be
> causing this?

Looks like the script is looking for an argument.  What if you run something like this?

sudo stap -p4 helloworld.stp foo

Andrew