Experiences with kprobes

Frank Ch. Eigler fche@redhat.com
Tue Mar 22 11:23:00 GMT 2005


Hi -

On Tue, Mar 22, 2005 at 01:43:16PM +0000, Baruch Even wrote:
> [...]
> It's a bit hard to defend that my measurements are valid when the 
> overhead is twice than what I'm measuring.

Agreed.

> I guess it doesn't align with the systemtap group objectives but I'd be 
> happy to see a static instrumentation tool for the kernel to allow me to 
> insert the code I need after compilation. Hopefully such a method would 
> have a lower overhead.

Could you explain what you m ean?  Inserting code after compilation is
normally called dynamic, not static instrumentation.  (We are actually
interested in supporting static instrumentation in some form.)

- FChE
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