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Date: Tue, 19 May 2009 15:27:00 -0000
From: "Frank Ch. Eigler" <fche@redhat.com>
To: zshan <zshan@cse.buaa.edu.cn>
Cc: systemtap <systemtap@sourceware.org>
Subject: Re: Re: Re: Fw: Re: problem when running the following script
Message-ID: <20090519152652.GD24007@redhat.com>
References: <20090519145400.GA24007@redhat.com> <200905192316411523143@cse.buaa.edu.cn>
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Hi -

On Tue, May 19, 2009 at 11:16:43PM +0800, zshan wrote:
> yes， the tun.ko.debug really exists
> find ./ -name "tun.ko.debug"
> ./usr/lib/debug/lib/modules/2.6.18-92.el5PAE/kernel/drivers/net/tun.ko.debug
> ./usr/lib/debug/lib/modules/2.6.18-92.el5/kernel/drivers/net/tun.ko.debug
> then what should I do?

Find out what systemtap is looking for:

% stap --vp 25 -e 'probe module("tun").function("tun_net_open") {}' -p4

and/or

% strace -f stap ... 2>&1 | grep tun.ko

- FChE