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SubjectRe: [PATCH -tip FIXED] ftrace: add nop tracer

* Frédéric Weisbecker <fweisbec@gmail.com> wrote:

> It seems we have two "none" tracers now. Why not seeing this nop
> tracer as an improvment of the current "none tracer" ?
>
> As a result the none tracer contained in trace.c could be replaced by
> this new one as the default tracer. And that's said, that will enable
> trace_printk by default even when no tracer is selected by the user.
>
> What do you think about it?

hmm ... good idea. There are some special properties of the none tracer
(it inhibits trace output for example), and those should be discontinued
i guess.

Ingo
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