> It seems that the $subj is missing :-)
> In my environment that causes many functions to not have fbt return probe,
> because function body decoding fails before 'ret' is found.
> Here is my attempt at fixing the problem:
> http://people.freebsd.org/~avg/fbt-nop.patch > Reviews and suggestions are welcome.
The patch seems to reduce the number of missing
fbt return probes by about 50% for me.