On 6/24/19 4:43 AM, Wolfram Gettert wrote: > I get the "Start probing syscall.open" and the "Stop probing syscall.open" message. I am executing "cat /dev/null" calls in a shell to be sure there is an open call. But the syscall.open probe does not fire. On my Fedora 30, "cat /dev/null" only calls "openat", not "open".