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Re: Return probes
Perry Cheng <perryche@us.ibm.com> writes:
> The systemtap script below fails but works if the return probe is omitted.
> [...] I am using a very recent version of stap (version 0.5.13
> built 2007-02-12) running on a 2.6.16 kernel [...]
IIRC, there have been several kernel-side fixes to k[ret]probes since
2.6.16 that may relate to this. Systemtap proper is unlikely to be
the culprit.
> probe kernel.function("__handle_mm_fault").return
That's a sensitive part of the kernel, but probing it should probably work.
- FChE