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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