If you are accounting system calls then you don't wish to account internal
use of functions by the kernel. The app made _one_ syscall. You count it
once.
> 2. what if one were to temporarily redirect some system calls to another
> handler (like timetravel.o module does).
The internal calls are not syscalls. It makes total sense for the kernel to
use its own functions to implement things cleanly. Are you redirecting a
syscall or a function. The former you change the syscall table, the latter
you tweak the kernel to use a function pointer
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