systemtap/tests/Regression/second-command-not-captured/ruby-exercise.stp

probe ruby.method.entry, ruby.cmethod.entry {
  printf("%d -> %s::%s %s:%d\n", tid(), classname, methodname, file, line);
}

probe ruby.method.return, ruby.cmethod.return {
  printf("%d <- %s::%s %s:%d\n", tid(), classname, methodname, file, line);
}