Re: [patch 05/10] perf_event_open.2: aux_{head,tail,offset,size} support

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On Thu, Apr 16, 2015 at 02:15:52PM -0400, Vince Weaver wrote:
> +.I aux_size
> +needs to be set to the desired buffer size.
> +The desired offset and size must be page aligned.

I think we also require the size to be a power of two.

> +These values are then passed to mmap in order to map the AUX buffer.
> +Pages in the AUX buffer are included as part of the user mlock
> +rlimit as well as the
> +.I perf_event_mlock_kb
> +allowance.
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