[RFC][PATCH 1/4] kprobe-based symbol resolution for stap-translator
Frank Ch. Eigler
fche@redhat.com
Thu Apr 9 16:22:00 GMT 2009
Hi -
I wrote:
> [...] I'd rather see
> - no new command line option
> - a separate namespace for these restricted sorts of probes
> - and then some new intelligence in the translator that automatically
> downgrades "kernel.function("...")' probes to 'kernel.kprobe("...")'
> if the probe point & handler does not appear to require debuginfo
Have you thought more about this approach?
It may be possible to approximate the kernel.function complications
such as wildcards by heuristics that search /proc/kallsyms (and
therefore assuming/warning that the instrumentation host == target).
- FChE
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