#! stap

# test optional probe

probe foo ?,
      process("/do/not/exist").function("main") !,
      kernel.mark("no such mark") ?,
      kernel.trace("no trace") !,
      process.foo ?,
      kernel.statement("no statement") !,
      module("no mod").function("*") ?,
      kernel.function("no such func*") !,
      begin {
}
