add arm64 kprobe function name prefix in kernel 4.19
modified:   __init__.py
@@ -172,6 +172,7 @@ class BPF(object):
b"__x64_sys_",
b"__x32_compat_sys_",
b"__ia32_compat_sys_",
+ b"__arm64_sys_",
]
# BPF timestamps come from the monotonic clock. To be able to filter
