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Re: WARNING: Missing unwind data for module, rerun with 'stap -d aaa_linux'
- From: William Cohen <wcohen at redhat dot com>
- To: Zhiwei Ying <zhiwei dot ying at gmail dot com>
- Cc: systemtap <systemtap at sources dot redhat dot com>
- Date: Tue, 19 Apr 2011 23:15:44 -0400
- Subject: Re: WARNING: Missing unwind data for module, rerun with 'stap -d aaa_linux'
- References: <BANLkTim7_TZy72or=xTnjSoxSCJa=jhUeQ@mail.gmail.com>
On 04/19/2011 09:58 PM, Zhiwei Ying wrote:
> Hi,
>
> I saw a lot of such warning msgs when tried to print backtrace from a
> module. How can I remove such warning message? Do I need put some
> compilation options to gcc?
>
> Thanks,
> Zhiwei
Zhiwei,
If you are running a newer version of systemtap (1.3 or newer) you can use the "--all-modules" option on the stap command line to include the needed information for the backtraces.
-Will