sudo ./ktap -e 'trace syscalls:sys_enter_open { print( execname(), user_string(arg2)) }'

Tracing... Hit Ctrl-C to end.
ktap    /sys/kernel/debug/ktap/trace_pipe_6976
sh      /etc/ld.so.cache
sh      /lib/x86_64-linux-gnu/libc.so.6
sh      /tmp/numLogin.txt
sh      /etc/ld.so.cache
sh      /lib/x86_64-linux-gnu/libc.so.6
w       /etc/ld.so.cache
w       /lib/libproc-3.2.8.so
w       /lib/x86_64-linux-gnu/libc.so.6
grep    /etc/ld.so.cache
grep    /lib/x86_64-linux-gnu/libdl.so.2
grep    /lib/x86_64-linux-gnu/libc.so.6
w       /proc/version
w
w       /proc/1/stat
[...]