[RFC] gradually moving strace from ptrace to perf

[Robin Hack]

>From Jan:
> One cannot use C directly in systemtap as the systemtap scripting ensures the
> code is safe against crashes and lockups.

In guru mode you can use C directly in systemtap.
https://sourceware.org/systemtap/langref/Components_SystemTap_script.html#SECTION00045000000000000000

It's called Embedded C and you can do everything what you want, only
with few limitations.