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Re: Re: Fw: Re: problem when running the following script
- From: "Frank Ch. Eigler" <fche at redhat dot com>
- To: zshan <zshan at cse dot buaa dot edu dot cn>
- Cc: systemtap <systemtap at sourceware dot org>
- Date: Sun, 17 May 2009 14:01:58 -0400
- Subject: Re: Re: Fw: Re: problem when running the following script
- References: <20090510150605.GC1443@redhat.com> <200905110005329536333@cse.buaa.edu.cn>
Hi -
On Mon, May 11, 2009 at 12:05:34AM +0800, zshan wrote:
> [...]
> I tried the script you mentioned , but it fails, and the message is as follows:
> WARNING: cannot find module tun debuginfo: No DWARF information found
> semantic error: no match while resolving probe point module("tun").function("*@drivers/net/*")
> I wonder whether do I need to install something like tun-debuginfo
> or others ?
Well, maybe the TUN driver is not compiled into your kernel at all.
Maybe it's somehow lumped into another module. (There is likely no
"tun-debuginfo" package.)
You could try
% stap -l 'module("*").function("tun*")'
% stap -l 'kernel.function("tun*")'
- FChE