/usr/share/systemtap/tapset/linux/s390/ is in systemtap-common 3.1-3ubuntu0.1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/systemtap/tapset/linux/s390/aux_syscalls.stp
/usr/share/systemtap/tapset/linux/s390/sysc_compat_fadvise64.stp
/usr/share/systemtap/tapset/linux/s390/sysc_compat_fallocate.stp
/usr/share/systemtap/tapset/linux/s390/sysc_compat_ftruncate64.stp
/usr/share/systemtap/tapset/linux/s390/sysc_compat_lookup_dcookie.stp
/usr/share/systemtap/tapset/linux/s390/sysc_compat_readahead.stp
/usr/share/systemtap/tapset/linux/s390/sysc_compat_truncate64.stp
/usr/share/systemtap/tapset/linux/s390/sysc_execve.stp
/usr/share/systemtap/tapset/linux/s390/sysc_getresgid16.stp
/usr/share/systemtap/tapset/linux/s390/sysc_getresuid16.stp
/usr/share/systemtap/tapset/linux/s390/sysc_ipc.stp
/usr/share/systemtap/tapset/linux/s390/sysc_mmap.stp
/usr/share/systemtap/tapset/linux/s390/sysc_mmap2.stp
/usr/share/systemtap/tapset/linux/s390/sysc_sigaltstack.stp
/usr/share/systemtap/tapset/linux/s390/sysc_sysctl32.stp
/usr/share/systemtap/tapset/linux/s390/syscall_num.stp