Re: [PATCH v2 5/8] perf: Add pmu callbacks to track event mapping and unmapping

[Thomas Gleixner]

On Fri, 24 Oct 2014, Andy Lutomirski wrote:

I'm probably missing something.

Why is this tied to the mmap? If I just open a counter then I should
be able to read the counter from user space w/o mmapping something in
the first place.

Thanks,

	tglx


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