^chdir (__kernel_vsyscall )?(__)?chdir ns::f3\(int\) ns::f2\(int\) ns::f1\(int\) ns::f0\(int\) main
^SIGURG (__kernel_vsyscall )?(__)?kill ns::f3\(int\) ns::f2\(int\) ns::f1\(int\) ns::f0\(int\) main
