Profiling Kernel function blocks

[Mark Wielaard]

On Fri, 2012-08-03 at 15:28 +0200, Domenico Di Leo wrote:
> I tried with systemtap 1.8, I can't change Kernel version.
> and now I get the error message
> Unknown symbol system_lookup_name during Pass 4.

Strange, I don't know why that symbol would be used.
Could you provide a bit more info?
For example the actual command/script you are trying to run and the -v
output? And/Or the stap-report output, etc.

Thanks,

Mark