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#! stap -p2 probe foo.a = kernel.function("no_such_function")?, never { } probe foo.* { } probe baz.a = kernel.function("no_such_function") { } probe baz.* ? { } probe bar = kernel.function("no_such_function") { } probe bar ? { } probe bar3 = kernel.function("no_such_function") { } probe bar2 = bar3 { } probe bar2 ? { }