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SubjectRe: [PATCH] usb: gadget: functions: add ftrace export over USB


Felipe Balbi <> writes:
> Allow for ftrace data to be exported over a USB Gadget
> Controller. With this, we have a potentially very fast pipe for
> transmitting ftrace data to a Host PC for further analysis.
> Note that in order to decode the data, one needs access to kernel
> symbols in order to convert binary data into function names and what
> not.
> Signed-off-by: Felipe Balbi <>
> ---
> I wanted to take this through the gadget tree, but there is a
> dependency with a previous patch of mine adding and extra argument to
> the ->write() function. Hoping someone else will take it.

This is still not upstream, I'll take it through my tree this time around.

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