probe point "process(PATH).function(*).return" not ready yet?

[Frank Ch. Eigler]

maliubiao <maliubiao@gmail.com> writes:

> [...]
> semantic error: while resolving probe point: identifier 'process' at
> hello.stp:8:7
>         source: probe process("../build/lpg").function("*").return {
>                       ^
>
> semantic error: process return probes not available [man error::inode-uprobes]
> [...]

Have you tried running

% man error::inode-uprobes 

this?  Like other error-related man pages, it tries to explain what's
going on.  The gist of it is that your kernel is not old (<= 2.6.32)
or new (>= 3.10) enough.

- FChE