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[Bug translator/6594] investigate ftrace interface


------- Additional Comments From mhiramat at redhat dot com  2008-10-02 15:27 -------
(In reply to comment #1)
> probably needs kernel changes for:
> ... module-friendly ftrace registration api

I think this should be done by simply exporting
register/unregister_ftrace_function().

> ... and a data (argument) passing mechanism

Arguments passing is hard because of mcount implementation.
It will give us just caller ip and callee ip.
So, in the first phase, might we support only $caller and $callee in
ftrace-based probe?



-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=6594

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