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/*
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    Example usage of the Python systemtap tapset to show a nested view of all
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    Python function calls (and returns) across the whole system.
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    Run this using
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        stap systemtap-example.stp
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    to instrument all Python processes on the system, or (for example) using
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        stap systemtap-example.stp -c COMMAND
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    to instrument a specific program (implemented in Python)
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*/
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probe python.function.entry
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{
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  printf("%s => %s in %s:%d\n", thread_indent(1), funcname, filename, lineno);
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}
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probe python.function.return
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{
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  printf("%s <= %s in %s:%d\n", thread_indent(-1), funcname, filename, lineno);
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}