Plain kprobe genearation/bisect script - latest changes
Mahesh Jagannath Salgaonkar
mahesh@linux.vnet.ibm.com
Thu Apr 9 15:16:00 GMT 2009
Mahesh Jagannath Salgaonkar wrote:
> Hi All,
>
> I have implemented shell scripts that helps me to narrow down a faulty
> probe that causes problem/crash, while debugging systemtap issues. As
> per the discussion in weekly systemtap meeting dated 12th March 2009, I
> am attaching these scripts (kp_bisect.tgz) that may help us in
> identifying probes that can be a potential candidate for blacklist.
> These scripts will help user to extract probes (probe function name)
> from stap generated C module and test plain kprobes/kretprobes allowing
> user to run bisect-like functionality to narrow down to a single faulty
> probe. It does handle ".call" and ".return" probes.
>
> Can someone can take look at these scripts and see if these can be used
> as a base for automating the process of testing kprobes for black/white
> list generation? The file "README.txt" describes the steps to use these
> scripts.
>
> Thanks,
> -Mahesh.
Please find the modified scripts attached. Modified script to isolate
good probes/bad probes and show all bad probes at the end.
Thanks,
-Mahesh.
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