testsuite/systemtap.context/fib.stp


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global depth = 0
global max_depth = 0

probe process("fib").function("fib").call {
    depth++
    if (depth > max_depth) {
            max_depth = depth
    }
}

probe process("fib").function("fib").return {
    if (depth == max_depth) {
            print_ubacktrace_brief()
            printf("\n")
    }
    depth--
}