Re: [PATCH 0/2] perf_counter: add tracepoint support

[Peter Zijlstra]

On Thu, 2009-07-09 at 05:10 +0200, Frederic Weisbecker wrote:
> (RFD parenthesis: why not using the one in kernel/trace for all perf events?
> Now that it is lockless, it would fit nicely inside: no fear about NMI
> context).

because that one doesn't have a single-buffer mode you can mmap().

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