Re: [PATCH v2 2/2] perf: Userspace event

[Ingo Molnar]

* Pawel Moll <pawel.moll@xxxxxxx> wrote:

> On Fri, 2014-09-26 at 07:21 +0100, Namhyung Kim wrote:
>
> > It looks like what trace-marker in ftrace does..  We might 
> > connect output of the trace marker into a perf event somehow.
> 
> I can probably trace_marker's write handler do the same as the 
> new prctl() would do. [...]

Please keep this new facility separate, so that !ftrace kernels 
that have perf events enabled still have this facility, etc.

Thanks,

	Ingo
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