testsuite/systemtap.base/badkprobe.exp


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set test "bad kprobe registration"
set script {
    probe $1 {}
    probe timer.ms(100) { exit() }
    probe end { println("cleanup ok") }
}

if {! [installtest_p]} { untested $test; return }

set bad_kprobes {
    kernel.statement(-1).absolute
    kprobe.statement(-1).absolute
    kprobe.function("no_such_function")
    kprobe.function("no_such_function").return
}

foreach bk $bad_kprobes {
    set test "bad kprobe registration: $bk"
    spawn stap -g -w -e "$script" "$bk"
    expect {
        -timeout 60
        -re "^WARNING: probe .*registration error.*\r\ncleanup ok\r\n" { pass $test }
        eof { fail "$test (eof)" }
        timeout { fail "$test (timeout)" }
    }
    catch {close}
    catch {wait}
}

foreach bk $bad_kprobes {
    set test "bad optional kprobe registration: $bk"
    spawn stap -g -w -e "$script" "$bk ?"
    expect {
        -timeout 60
        -re "^cleanup ok\r\n" { pass $test }
        eof { fail "$test (eof)" }
        timeout { fail "$test (timeout)" }
    }
    catch {close}
    catch {wait}
}